/* roulang page: index */
:root {
            --color-primary: #0B1226;
            --color-accent: #C9A43E;
            --color-highlight: #E85D2C;
            --color-bg: #F8F7F4;
            --color-bg-dark: #161E2E;
            --color-card: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-light: #888888;
            --color-text-on-dark: #FFFFFF;
            --color-border: #E5E3DE;
            --color-nav-bg: rgba(255, 255, 255, 0.92);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition-fast);
        }

        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        @media (max-width: 768px) {
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all var(--transition-smooth);
            background: transparent;
            padding: 0;
        }

        .site-header.scrolled {
            background: var(--color-nav-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 20px;
            height: 68px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-smooth);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 1001;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header.scrolled .logo {
            color: var(--color-primary);
        }

        .site-header.scrolled .logo .logo-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .site-header.scrolled .nav-links a {
            color: var(--color-text);
        }

        .nav-links a:hover {
            color: var(--color-accent);
        }

        .nav-links a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 1px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            margin-left: 8px;
            transition: all var(--transition-fast) !important;
        }

        .nav-cta-btn:hover {
            background: #B38A2E !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(201, 164, 62, 0.35);
        }

        .nav-cta-btn::after {
            display: none !important;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
            padding: 8px;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled .hamburger span {
            background: var(--color-primary);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1023px) {
            .hamburger {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 100%;
                max-width: 420px;
                height: 100vh;
                background: rgba(11, 18, 38, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 100px 40px 40px;
                gap: 8px;
                transition: right var(--transition-smooth);
                z-index: 1000;
            }

            .nav-links.open {
                right: 0;
            }

            .nav-links a {
                color: #fff !important;
                font-size: 1.1rem;
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-md);
            }

            .nav-links a:hover {
                background: rgba(255, 255, 255, 0.08);
                color: var(--color-accent) !important;
            }

            .nav-links a::after {
                display: none;
            }

            .nav-cta-btn {
                margin-left: 0;
                margin-top: 12px;
                width: 100%;
                text-align: center;
                padding: 14px 22px !important;
            }
        }

        @media (max-width: 520px) {
            .nav-links {
                max-width: 100%;
                padding: 90px 24px 30px;
            }
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 18, 38, 0.55) 0%, rgba(11, 18, 38, 0.7) 40%, rgba(11, 18, 38, 0.85) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            padding: 40px 20px;
            animation: heroFadeIn 0.8s ease-out;
        }

        @keyframes heroFadeIn {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-badge {
            display: inline-block;
            background: rgba(201, 164, 62, 0.2);
            border: 1px solid rgba(201, 164, 62, 0.4);
            color: var(--color-accent);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .hero h1 .highlight {
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 30px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            gap: 8px;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
        }

        .btn-primary:hover {
            background: #B38A2E;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 164, 62, 0.4);
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-ghost:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 9px 20px;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
        }

        .hero-progress-area {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 10px;
        }

        .progress-ring-wrap {
            position: relative;
            width: 140px;
            height: 140px;
            flex-shrink: 0;
        }

        .progress-ring {
            transform: rotate(-90deg);
            width: 140px;
            height: 140px;
        }

        .progress-ring .bg-circle {
            fill: none;
            stroke: rgba(255, 255, 255, 0.15);
            stroke-width: 8;
        }

        .progress-ring .fg-circle {
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 8;
            stroke-linecap: round;
            stroke-dasharray: 339.292;
            stroke-dashoffset: 84.823;
            transition: stroke-dashoffset 1.5s ease;
        }

        .progress-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: #fff;
        }

        .progress-text .percent {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
        }

        .progress-text .label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-tier-cards {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .tier-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            text-align: center;
            color: #fff;
            min-width: 100px;
            transition: all var(--transition-fast);
            cursor: default;
            backdrop-filter: blur(4px);
        }

        .tier-card:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: var(--color-accent);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(201, 164, 62, 0.25);
        }

        .tier-card .tier-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-accent);
            margin-bottom: 4px;
        }

        .tier-card .tier-desc {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.4;
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-progress-area {
                gap: 24px;
            }
            .progress-ring-wrap {
                width: 110px;
                height: 110px;
            }
            .progress-ring {
                width: 110px;
                height: 110px;
            }
            .progress-ring .fg-circle {
                stroke-dasharray: 263.894;
                stroke-dashoffset: 65.974;
            }
            .tier-card {
                min-width: 70px;
                padding: 12px 14px;
            }
            .hero {
                background-attachment: scroll;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                max-width: 280px;
            }
            .hero-tier-cards {
                gap: 8px;
            }
            .tier-card {
                flex: 1 1 40%;
                min-width: 0;
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-title {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }

        .section-header {
            margin-bottom: 50px;
        }

        .section-header.centered {
            text-align: center;
        }

        .section-header.centered .section-subtitle {
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.4rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== SELLING POINTS (非对称) ========== */
        .selling-points-grid {
            display: grid;
            grid-template-columns: 1fr 1.3fr 0.9fr;
            gap: 28px;
            align-items: start;
        }

        .sp-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .sp-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .sp-card.sp-tall {
            grid-row: span 2;
            padding: 40px 28px;
        }

        .sp-card.sp-wide {
            grid-column: span 2;
            display: flex;
            gap: 28px;
            align-items: center;
            padding: 36px 32px;
        }

        .sp-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: #FDF6E3;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.3rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .sp-card:hover .sp-icon-circle {
            transform: rotate(5deg);
        }

        .sp-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .sp-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .sp-card.sp-wide .sp-text {
            flex: 1;
        }

        .sp-card.sp-wide .sp-icon-circle {
            margin-bottom: 0;
            width: 60px;
            height: 60px;
            font-size: 1.5rem;
        }

        .sp-card.sp-accent {
            border-left: 4px solid var(--color-accent);
            background: #FFFEFA;
        }

        @media (max-width: 1023px) {
            .selling-points-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sp-card.sp-wide {
                grid-column: span 2;
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }
            .sp-card.sp-tall {
                grid-row: auto;
            }
        }

        @media (max-width: 768px) {
            .selling-points-grid {
                grid-template-columns: 1fr;
            }
            .sp-card.sp-wide {
                grid-column: span 1;
            }
            .sp-card {
                padding: 24px 20px;
            }
        }

        /* ========== SCENE DEMO ========== */
        .scene-demo {
            display: flex;
            gap: 50px;
            align-items: center;
            flex-wrap: wrap;
        }

        .scene-demo.reverse {
            flex-direction: row-reverse;
        }

        .scene-text {
            flex: 1;
            min-width: 280px;
        }

        .scene-text h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .scene-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .scene-text ul {
            list-style: none;
            padding: 0;
        }

        .scene-text ul li {
            padding: 8px 0 8px 24px;
            position: relative;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .scene-text ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .scene-image {
            flex: 1;
            min-width: 280px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition-slow);
        }

        .scene-image:hover {
            transform: scale(1.03);
        }

        .scene-image img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-xl);
        }

        @media (max-width: 768px) {
            .scene-demo {
                gap: 28px;
            }
            .scene-text h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== LATEST NEWS ========== */
        .latest-news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--color-border);
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: default;
            flex-wrap: wrap;
        }

        .news-item:hover {
            background: rgba(201, 164, 62, 0.03);
            padding-left: 12px;
            border-bottom-color: var(--color-accent);
        }

        .news-date {
            flex-shrink: 0;
            width: 90px;
            font-size: 0.85rem;
            color: var(--color-text-light);
            font-weight: 500;
            padding-top: 2px;
        }

        .news-body {
            flex: 1;
            min-width: 200px;
        }

        .news-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-read-more {
            flex-shrink: 0;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            align-self: center;
            white-space: nowrap;
        }

        .news-read-more:hover {
            background: rgba(201, 164, 62, 0.1);
            color: #B38A2E;
        }

        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px 0;
            }
            .news-date {
                width: auto;
            }
            .news-read-more {
                align-self: flex-start;
                padding: 6px 0;
            }
        }

        /* ========== FAQ ========== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-fast);
            cursor: default;
            border: 1px solid transparent;
        }

        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .faq-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .faq-item p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .faq-item {
                padding: 20px;
            }
        }

        /* ========== NEWS CENTER ========== */
        .news-center-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-sidebar {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
            position: sticky;
            top: 100px;
        }

        .news-sidebar h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .sidebar-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tag {
            padding: 6px 14px;
            border-radius: 50px;
            background: #F5F3EF;
            color: var(--color-text-secondary);
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .sidebar-tag:hover {
            background: rgba(201, 164, 62, 0.12);
            color: var(--color-accent);
            border-color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .news-center-grid {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
                order: -1;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            background: #FFFEFA;
            border-radius: var(--radius-xl);
            padding: 60px 50px;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(201, 164, 62, 0.15);
        }

        .brand-intro h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 20px;
            text-align: center;
        }

        .brand-intro p {
            font-size: 1rem;
            color: #333;
            line-height: 1.9;
            max-width: 800px;
            margin: 0 auto;
            text-align: justify;
        }

        @media (max-width: 768px) {
            .brand-intro {
                padding: 32px 22px;
                border-radius: var(--radius-lg);
            }
            .brand-intro p {
                text-align: left;
                font-size: 0.95rem;
            }
        }

        /* ========== EXPANDED CONTENT ========== */
        .expanded-content {
            display: flex;
            gap: 50px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .expanded-text {
            flex: 1.2;
            min-width: 280px;
        }

        .expanded-text h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 20px;
        }

        .expanded-text p {
            font-size: 1rem;
            color: #333;
            line-height: 1.9;
            margin-bottom: 16px;
            text-align: justify;
        }

        .expanded-stats {
            flex: 0.8;
            min-width: 240px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .stat-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .expanded-content {
                gap: 28px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== SECURITY SYSTEM ========== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .security-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .security-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .security-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #F0F9F4;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: #3CB371;
        }

        .security-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .security-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 1023px) {
            .security-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .security-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SOCIAL PROOF ========== */
        .testimonial-carousel {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 10px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .testimonial-carousel::-webkit-scrollbar {
            display: none;
        }

        .testimonial-card {
            flex: 0 0 340px;
            scroll-snap-align: start;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #E8E5DF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
            font-size: 1.1rem;
        }

        .testimonial-card .quote {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 10px;
            position: relative;
            padding-left: 16px;
            border-left: 3px solid var(--color-accent);
        }

        .testimonial-card .author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .partner-logos {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            align-items: center;
            margin-top: 40px;
            padding: 30px 0;
            border-top: 1px solid var(--color-border);
        }

        .partner-logo-placeholder {
            width: 100px;
            height: 40px;
            background: #E8E5DF;
            border-radius: var(--radius-sm);
            filter: grayscale(100%);
            opacity: 0.5;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: #999;
            font-weight: 500;
        }

        .partner-logo-placeholder:hover {
            filter: grayscale(0%);
            opacity: 1;
            background: #FFFEFA;
            box-shadow: var(--shadow-sm);
        }

        @media (max-width: 768px) {
            .testimonial-card {
                flex: 0 0 280px;
                padding: 20px;
            }
        }

        /* ========== ENTRY MATRIX ========== */
        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .entry-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .entry-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            display: block;
        }

        .entry-card span {
            font-weight: 600;
            font-size: 0.95rem;
        }

        @media (max-width: 1023px) {
            .entry-matrix {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .entry-matrix {
                grid-template-columns: 1fr;
            }
        }

        /* ========== REVIEW BUBBLES ========== */
        .bubble-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .bubble {
            background: var(--color-card);
            border-radius: 24px;
            padding: 16px 22px;
            box-shadow: var(--shadow-sm);
            max-width: 280px;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border);
            position: relative;
        }

        .bubble:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }

        .bubble .bubble-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #E8E5DF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            color: #999;
            margin-right: 8px;
            vertical-align: middle;
        }

        .bubble .bubble-text {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            display: inline;
        }

        .bubble .bubble-name {
            font-size: 0.75rem;
            color: var(--color-text-light);
            margin-top: 6px;
            display: block;
        }

        /* ========== LIMITED TIME ENTRY ========== */
        .limited-entry {
            background: linear-gradient(135deg, #0B1226 0%, #1A2540 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .limited-entry::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(201, 164, 62, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .limited-entry h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .limited-entry .countdown {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin: 20px 0;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .countdown-item {
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            min-width: 70px;
            text-align: center;
        }

        .countdown-item .num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
        }

        .countdown-item .unit {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .limited-entry .btn {
            position: relative;
            z-index: 1;
            margin-top: 8px;
        }

        @media (max-width: 768px) {
            .limited-entry {
                padding: 32px 20px;
            }
            .countdown-item {
                padding: 10px 14px;
                min-width: 55px;
            }
            .countdown-item .num {
                font-size: 1.5rem;
            }
        }

        /* ========== APP DOWNLOAD ========== */
        .app-download {
            display: flex;
            gap: 50px;
            align-items: center;
            flex-wrap: wrap;
            background: var(--color-bg-dark);
            border-radius: var(--radius-xl);
            padding: 60px 50px;
            color: #fff;
            overflow: hidden;
            position: relative;
        }

        .app-download::after {
            content: '';
            position: absolute;
            top: -30%;
            left: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(201, 164, 62, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .app-text {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }

        .app-text h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .app-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .app-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .app-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 2px solid rgba(255, 255, 255, 0.4);
            background: transparent;
            color: #fff;
        }

        .app-btn:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .app-btn.primary-app {
            background: var(--color-accent);
            border-color: var(--color-accent);
        }

        .app-btn.primary-app:hover {
            background: #B38A2E;
            border-color: #B38A2E;
            color: #fff;
        }

        .app-image {
            flex: 0.8;
            min-width: 200px;
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .app-image img {
            max-width: 240px;
            margin: 0 auto;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
        }

        @media (max-width: 768px) {
            .app-download {
                padding: 36px 22px;
                gap: 28px;
            }
            .app-image img {
                max-width: 180px;
            }
        }

        /* ========== BOTTOM FIXED BAR ========== */
        .bottom-fixed-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--color-primary);
            color: #fff;
            z-index: 999;
            padding: 14px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
        }

        .bottom-fixed-bar.visible {
            transform: translateY(0);
        }

        .bottom-fixed-bar .bar-text {
            font-weight: 500;
            font-size: 0.95rem;
            text-align: center;
        }

        .bottom-fixed-bar .btn {
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 93, 44, 0.5);
            }
            50% {
                box-shadow: 0 0 0 16px rgba(232, 93, 44, 0);
            }
        }

        .bottom-fixed-bar .btn-highlight {
            background: var(--color-highlight);
            color: #fff;
            border: none;
        }

        .bottom-fixed-bar .btn-highlight:hover {
            background: #D04A1E;
            transform: translateY(-2px);
        }

        @media (max-width: 520px) {
            .bottom-fixed-bar {
                flex-direction: column;
                gap: 10px;
                padding: 12px 16px;
                text-align: center;
            }
            .bottom-fixed-bar .bar-text {
                font-size: 0.85rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0E1525;
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 20px 30px;
            margin-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            max-width: var(--container-max);
            margin: 0 auto 30px;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 14px;
            font-size: 1rem;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            max-width: var(--container-max);
            margin: 0 auto;
            line-height: 1.8;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--color-accent);
        }
        .text-highlight {
            color: var(--color-highlight);
        }
        .bg-dark-section {
            background: var(--color-bg-dark);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 60px 50px;
        }
        .bg-dark-section .section-title {
            color: #fff;
        }
        .bg-dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .bg-dark-section {
                padding: 36px 22px;
                border-radius: var(--radius-lg);
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category3 */
:root {
            --color-primary: #0B1226;
            --color-accent: #C9A43E;
            --color-highlight: #E85D2C;
            --color-bg: #F8F7F4;
            --color-bg-dark: #161E2E;
            --color-card: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-light: #888888;
            --color-text-on-dark: #FFFFFF;
            --color-border: #E5E3DE;
            --color-nav-bg: rgba(255, 255, 255, 0.92);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition-fast);
            background: none;
        }

        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        @media (max-width: 768px) {
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all var(--transition-smooth);
            background: transparent;
            padding: 0;
        }

        .site-header.scrolled {
            background: var(--color-nav-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 20px;
            height: 68px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-smooth);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 1001;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header.scrolled .logo {
            color: var(--color-primary);
        }

        .site-header.scrolled .logo .logo-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .site-header.scrolled .nav-links a {
            color: var(--color-text);
        }

        .nav-links a:hover {
            color: var(--color-accent);
        }

        .nav-links a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 1px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            margin-left: 8px;
            transition: all var(--transition-fast) !important;
        }

        .nav-cta-btn:hover {
            background: #B38A2E !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(201, 164, 62, 0.35);
        }

        .nav-cta-btn::after {
            display: none !important;
        }

        /* 汉堡菜单按钮 */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            padding: 8px;
            background: none;
            border: none;
        }

        .hamburger-btn span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .site-header.scrolled .hamburger-btn span {
            background: var(--color-primary);
        }

        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* 移动端导航面板 */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(11, 18, 38, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-nav-panel.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav-panel a {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-nav-panel a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .mobile-nav-panel .mobile-cta {
            background: var(--color-accent);
            color: #fff !important;
            padding: 14px 32px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            margin-top: 10px;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .mobile-nav-panel {
                display: flex;
            }
        }

        /* ========== HERO BANNER ========== */
        .page-hero {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 18, 38, 0.55) 0%, rgba(11, 18, 38, 0.7) 100%);
            z-index: 1;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            padding: 0 20px;
            animation: fadeInUp 0.8s ease forwards;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .page-hero .hero-content h1 {
            font-size: 3rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .page-hero .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 550px;
            margin: 0 auto 24px;
        }

        .page-hero .hero-content .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .page-hero .hero-content .hero-tags span {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition-fast);
        }

        .page-hero .hero-content .hero-tags span:hover {
            background: rgba(201, 164, 62, 0.4);
            border-color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 45vh;
                background-attachment: scroll;
            }
            .page-hero .hero-content h1 {
                font-size: 2.2rem;
            }
            .page-hero .hero-content .hero-subtitle {
                font-size: 1rem;
            }
        }

        /* ========== 分类介绍区 ========== */
        .intro-section {
            background: var(--color-card);
            padding: 60px 0;
        }

        .intro-section .intro-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .intro-section .intro-content h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 20px;
        }

        .intro-section .intro-content p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.9;
            text-align: left;
            text-indent: 2em;
        }

        .intro-section .intro-content p+p {
            margin-top: 14px;
        }

        /* ========== 攻略文章列表 ========== */
        .strategy-list-section {
            background: var(--color-bg);
        }

        .strategy-list-section .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .strategy-list-section .section-header h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .strategy-list-section .section-header .section-line {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            margin: 0 auto;
            border-radius: 2px;
        }

        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .strategy-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            cursor: pointer;
            border: 1px solid transparent;
        }

        .strategy-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }

        .strategy-card .card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
            transition: transform var(--transition-slow);
        }

        .strategy-card:hover .card-img {
            transform: scale(1.03);
        }

        .strategy-card .card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .strategy-card .card-date {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .strategy-card .card-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .strategy-card:hover .card-title {
            color: var(--color-accent);
        }

        .strategy-card .card-excerpt {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .strategy-card .card-link {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .strategy-card .card-link .arrow {
            display: inline-block;
            transition: transform var(--transition-fast);
        }

        .strategy-card .card-link:hover {
            color: #B38A2E;
        }

        .strategy-card .card-link:hover .arrow {
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .strategy-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .strategy-card .card-img {
                height: 180px;
            }
        }

        /* ========== 深度内容区 ========== */
        .deep-content-section {
            background: var(--color-card);
        }

        .deep-content-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .deep-content-text h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 20px;
        }

        .deep-content-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
            text-align: justify;
        }

        .deep-content-text .highlight-stat {
            display: flex;
            gap: 30px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .deep-content-text .stat-item {
            text-align: center;
        }

        .deep-content-text .stat-item .stat-num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }

        .deep-content-text .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-top: 6px;
        }

        .deep-content-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition-slow);
        }

        .deep-content-image:hover {
            transform: scale(1.02);
        }

        .deep-content-image img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-xl);
        }

        @media (max-width: 768px) {
            .deep-content-wrapper {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .deep-content-text .highlight-stat {
                gap: 20px;
            }
            .deep-content-text .stat-item .stat-num {
                font-size: 1.8rem;
            }
        }

        /* ========== 热门标签区 ========== */
        .tags-section {
            background: var(--color-bg);
        }

        .tags-section .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .tags-section .section-header h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .tags-section .section-header .section-line {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            margin: 0 auto;
            border-radius: 2px;
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .tags-cloud .tag {
            padding: 10px 22px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .tags-cloud .tag:hover {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(201, 164, 62, 0.3);
        }

        .tags-cloud .tag.hot {
            background: var(--color-highlight);
            color: #fff;
            border-color: var(--color-highlight);
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .tags-cloud {
                gap: 8px;
            }
            .tags-cloud .tag {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }

        /* ========== FAQ 区 ========== */
        .faq-section {
            background: var(--color-card);
        }

        .faq-section .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .faq-section .section-header h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .faq-section .section-header .section-line {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            margin: 0 auto;
            border-radius: 2px;
        }

        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: #d0cdc6;
            box-shadow: var(--shadow-sm);
        }

        .faq-item .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            user-select: none;
        }

        .faq-item .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-weight: 700;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-highlight);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media (max-width: 768px) {
            .faq-item .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px;
                font-size: 0.9rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ========== CTA 区 ========== */
        .cta-section {
            background: var(--color-bg-dark);
            text-align: center;
            padding: 80px 0;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 30px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            border: 2px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: #B38A2E;
            border-color: #B38A2E;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 164, 62, 0.4);
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-ghost:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0B1226;
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            margin-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .footer-bottom p {
            margin: 4px 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-grid .footer-col:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0B1226;
            --color-accent: #C9A43E;
            --color-highlight: #E85D2C;
            --color-bg: #F8F7F4;
            --color-bg-dark: #161E2E;
            --color-card: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-light: #888888;
            --color-text-on-dark: #FFFFFF;
            --color-border: #E5E3DE;
            --color-nav-bg: rgba(255, 255, 255, 0.92);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition-fast);
        }

        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            transition: border-color var(--transition-fast);
        }

        input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 164, 62, 0.1);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all var(--transition-smooth);
            background: transparent;
            padding: 0;
        }

        .site-header.scrolled {
            background: var(--color-nav-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 20px;
            height: 68px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-smooth);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 1001;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header.scrolled .logo {
            color: var(--color-primary);
        }

        .site-header.scrolled .logo .logo-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
            display: inline-block;
        }

        .site-header.scrolled .nav-links a {
            color: var(--color-text);
        }

        .nav-links a:hover {
            color: var(--color-accent);
        }

        .nav-links a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 1px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            margin-left: 8px;
            transition: all var(--transition-fast) !important;
        }

        .nav-cta-btn:hover {
            background: #B38A2E !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(201, 164, 62, 0.35);
        }

        .nav-cta-btn::after {
            display: none !important;
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            background: none;
            padding: 4px;
        }

        .hamburger span {
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
            display: block;
        }

        .site-header.scrolled .hamburger span {
            background: var(--color-primary);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== HERO BENTO ========== */
        .hero-bento {
            position: relative;
            min-height: 100vh;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 100px 20px 60px;
            overflow: hidden;
        }

        .hero-bento::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 18, 38, 0.65) 0%, rgba(11, 18, 38, 0.8) 60%, rgba(11, 18, 38, 0.9) 100%);
            z-index: 1;
        }

        .hero-bento-content {
            position: relative;
            z-index: 2;
            max-width: var(--container-max);
            width: 100%;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            grid-template-rows: auto auto;
            gap: 20px;
            align-items: start;
        }

        .hero-main-block {
            grid-row: 1 / 3;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-main-block .hero-badge {
            display: inline-block;
            background: var(--color-highlight);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            width: fit-content;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 93, 44, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(232, 93, 44, 0);
            }
        }

        .hero-main-block h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .hero-main-block h1 span {
            color: var(--color-accent);
        }

        .hero-main-block .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-main-block .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            padding: 14px 30px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-fast);
            border: 2px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: #B38A2E;
            border-color: #B38A2E;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 164, 62, 0.35);
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            padding: 14px 30px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-fast);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-ghost:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .hero-mini-block {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-smooth);
        }

        .hero-mini-block:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }

        .hero-mini-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            flex-shrink: 0;
        }

        .hero-mini-icon.icon-orange {
            background: var(--color-highlight);
        }

        .hero-mini-info h3 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .hero-mini-info p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            line-height: 1.5;
        }

        .hero-cta-strip {
            grid-column: 2;
            background: rgba(201, 164, 62, 0.15);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            border: 1px solid rgba(201, 164, 62, 0.3);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-cta-strip p {
            color: #fff;
            font-weight: 500;
            font-size: 0.95rem;
            margin: 0;
        }

        .hero-cta-strip .btn-sm {
            background: var(--color-accent);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 2px solid var(--color-accent);
        }

        .hero-cta-strip .btn-sm:hover {
            background: #B38A2E;
            border-color: #B38A2E;
            transform: scale(1.03);
        }

        /* ========== SECTION TITLES ========== */
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            line-height: 1.3;
            text-align: center;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }

        .section-title.left-align {
            text-align: left;
        }

        .section-subtitle.left-align {
            text-align: left;
            margin-left: 0;
        }

        /* ========== HIGHLIGHTS SECTION ========== */
        .highlights-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }

        .highlights-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .highlight-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .highlight-card:nth-child(1) {
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 360px;
        }

        .highlight-card:nth-child(2) {
            grid-column: 2 / 4;
            display: flex;
            flex-direction: row;
            align-items: center;
            gap: 24px;
            padding: 28px;
        }

        .highlight-card:nth-child(3) {
            grid-column: 2;
        }

        .highlight-card:nth-child(4) {
            grid-column: 3;
        }

        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }

        .highlight-card .hl-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #FDF5E6;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-accent);
            flex-shrink: 0;
            margin-bottom: 16px;
            transition: transform var(--transition-smooth);
        }

        .highlight-card:hover .hl-icon-circle {
            transform: rotate(8deg);
        }

        .highlight-card:nth-child(2) .hl-icon-circle {
            margin-bottom: 0;
        }

        .highlight-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .highlight-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .highlight-card .hl-tag {
            display: inline-block;
            background: #FFF3E0;
            color: var(--color-highlight);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-top: 10px;
        }

        /* ========== UPCOMING EVENTS ========== */
        .upcoming-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg-dark);
            color: #fff;
        }

        .upcoming-section .section-title {
            color: #fff;
        }

        .upcoming-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .event-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
            border-color: rgba(201, 164, 62, 0.4);
        }

        .event-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .event-card:hover .event-card-img {
            transform: scale(1.04);
        }

        .event-card-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-card-date {
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }

        .event-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .event-card p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            flex: 1;
        }

        .event-card .event-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .event-card .event-link:hover {
            gap: 8px;
            color: #D4B44E;
        }

        .event-card .event-tag {
            display: inline-block;
            background: rgba(232, 93, 44, 0.2);
            color: var(--color-highlight);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
            width: fit-content;
        }

        /* ========== HOW TO JOIN ========== */
        .howto-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }

        .steps-flow {
            display: flex;
            gap: 0;
            align-items: stretch;
            position: relative;
            flex-wrap: wrap;
            justify-content: center;
        }

        .step-item {
            flex: 1;
            min-width: 220px;
            max-width: 260px;
            text-align: center;
            padding: 32px 20px;
            position: relative;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            margin: 0 8px;
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .step-connector {
            display: flex;
            align-items: center;
            color: var(--color-accent);
            font-size: 1.5rem;
            font-weight: 700;
            flex-shrink: 0;
            padding: 0 4px;
        }

        /* ========== PAST EVENTS ========== */
        .past-section {
            padding: var(--section-gap) 0;
            background: #F0EFEB;
        }

        .past-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .past-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: row;
            transition: all var(--transition-smooth);
        }

        .past-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .past-card-img {
            width: 200px;
            min-height: 180px;
            object-fit: cover;
            flex-shrink: 0;
            transition: transform var(--transition-slow);
        }

        .past-card:hover .past-card-img {
            transform: scale(1.04);
        }

        .past-card-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .past-card-body .past-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 4px;
        }

        .past-card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .past-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .past-card-body .past-stats {
            display: flex;
            gap: 16px;
            margin-top: 8px;
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ========== STATS SECTION ========== */
        .stats-section {
            padding: 80px 0;
            background: var(--color-primary);
            color: #fff;
        }

        .stats-row {
            display: flex;
            gap: 40px;
            justify-content: center;
            flex-wrap: wrap;
            text-align: center;
        }

        .stat-item {
            flex: 1;
            min-width: 160px;
            max-width: 220px;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.5;
        }

        /* ========== FEATURES SECTION ========== */
        .features-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }

        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .feature-icon {
            font-size: 2rem;
            margin-bottom: 12px;
            display: block;
        }

        .feature-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .feature-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--section-gap) 0;
            background: #F0EFEB;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: color var(--transition-fast);
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-arrow {
            font-size: 1.2rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 80px 0;
            background: var(--color-bg-dark);
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 550px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            font-size: 1.1rem;
            padding: 16px 36px;
        }

        /* ========== BOTTOM STICKY BAR ========== */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--color-primary);
            color: #fff;
            z-index: 999;
            padding: 14px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            transform: translateY(100%);
            transition: transform var(--transition-slow);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
        }

        .bottom-sticky-bar.visible {
            transform: translateY(0);
        }

        .bottom-sticky-bar p {
            font-size: 0.95rem;
            font-weight: 500;
            margin: 0;
        }

        .bottom-sticky-bar .btn-sticky {
            background: var(--color-highlight);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            animation: pulse-btn 2s ease-in-out infinite;
            border: 2px solid var(--color-highlight);
        }

        @keyframes pulse-btn {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 93, 44, 0.5);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(232, 93, 44, 0);
            }
        }

        .bottom-sticky-bar .btn-sticky:hover {
            background: #D04A1E;
            border-color: #D04A1E;
            transform: scale(1.03);
        }

        .bottom-sticky-bar .btn-sticky-ghost {
            background: transparent;
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
        }

        .bottom-sticky-bar .btn-sticky-ghost:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0F1E;
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
            margin-bottom: 0;
        }

        .footer-grid {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 40px auto 0;
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            line-height: 2;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-bento-content {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }
            .hero-main-block {
                grid-row: auto;
            }
            .hero-cta-strip {
                grid-column: 1;
            }
            .hero-mini-block {
                grid-column: 1;
            }
            .hero-main-block h1 {
                font-size: 2.2rem;
            }
            .highlights-grid {
                grid-template-columns: 1fr 1fr;
            }
            .highlight-card:nth-child(1) {
                grid-row: auto;
                grid-column: 1 / 3;
                min-height: auto;
            }
            .highlight-card:nth-child(2) {
                grid-column: 1 / 3;
            }
            .highlight-card:nth-child(3) {
                grid-column: 1;
            }
            .highlight-card:nth-child(4) {
                grid-column: 2;
            }
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .past-grid {
                grid-template-columns: 1fr;
            }
            .past-card {
                flex-direction: row;
            }
            .past-card-img {
                width: 160px;
                min-height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 360px;
                height: 100vh;
                background: rgba(11, 18, 38, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 100px 30px 40px;
                gap: 8px;
                transition: right var(--transition-smooth);
                z-index: 1000;
            }
            .nav-links.active {
                right: 0;
            }
            .nav-links a {
                color: #fff !important;
                font-size: 1.1rem;
                padding: 12px 16px;
                width: 100%;
            }
            .nav-links a::after {
                display: none;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 12px;
                width: 100%;
                text-align: center;
            }
            .hero-bento-content {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .hero-main-block {
                padding: 32px 24px;
            }
            .hero-main-block h1 {
                font-size: 1.8rem;
            }
            .hero-main-block .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-mini-block {
                padding: 20px 16px;
            }
            .hero-cta-strip {
                flex-direction: column;
                text-align: center;
                padding: 16px;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .highlight-card:nth-child(1),
            .highlight-card:nth-child(2),
            .highlight-card:nth-child(3),
            .highlight-card:nth-child(4) {
                grid-column: 1;
                grid-row: auto;
            }
            .highlight-card:nth-child(2) {
                flex-direction: column;
                text-align: center;
            }
            .events-grid {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
            .past-grid {
                grid-template-columns: 1fr;
            }
            .past-card {
                flex-direction: column;
            }
            .past-card-img {
                width: 100%;
                height: 180px;
                min-height: auto;
            }
            .steps-flow {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }
            .step-item {
                max-width: 100%;
                width: 100%;
            }
            .step-connector {
                transform: rotate(90deg);
                padding: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .bottom-sticky-bar {
                flex-direction: column;
                gap: 10px;
                text-align: center;
                padding: 12px 16px;
            }
            .stats-row {
                gap: 24px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-main-block h1 {
                font-size: 1.5rem;
            }
            .hero-main-block {
                padding: 24px 18px;
            }
            .hero-cta-row {
                flex-direction: column;
            }
            .btn-primary,
            .btn-ghost {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .events-grid {
                grid-template-columns: 1fr;
            }
            .past-card-img {
                height: 150px;
            }
            .stats-row {
                gap: 16px;
            }
            .stat-item {
                min-width: 120px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .container {
                padding: 0 14px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0B1226;
            --color-accent: #C9A43E;
            --color-highlight: #E85D2C;
            --color-bg: #F8F7F4;
            --color-bg-dark: #161E2E;
            --color-card: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-light: #888888;
            --color-text-on-dark: #FFFFFF;
            --color-border: #E5E3DE;
            --color-nav-bg: rgba(255, 255, 255, 0.92);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition-fast);
        }

        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all var(--transition-smooth);
            background: transparent;
            padding: 0;
        }

        .site-header.scrolled {
            background: var(--color-nav-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 20px;
            height: 68px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-smooth);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 1001;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header.scrolled .logo {
            color: var(--color-primary);
        }

        .site-header.scrolled .logo .logo-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .site-header.scrolled .nav-links a {
            color: var(--color-text);
        }

        .nav-links a:hover {
            color: var(--color-accent);
        }

        .nav-links a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 1px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            margin-left: 8px;
            transition: all var(--transition-fast) !important;
        }

        .nav-cta-btn:hover {
            background: #B38A2E !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(201, 164, 62, 0.35);
        }

        .nav-cta-btn::after {
            display: none !important;
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
            padding: 8px;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .site-header.scrolled .hamburger span {
            background: var(--color-primary);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 18, 38, 0.75) 0%, rgba(22, 30, 46, 0.85) 100%);
            z-index: 1;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 20px;
            max-width: 700px;
        }

        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(201, 164, 62, 0.2);
            border: 1px solid rgba(201, 164, 62, 0.4);
            color: var(--color-accent);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 560px;
            margin: 0 auto;
        }

        /* ========== 分类介绍区 ========== */
        .category-intro {
            padding: 100px 0 80px;
            background: var(--color-bg);
        }

        .category-intro .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .category-intro .intro-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .category-intro .intro-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .category-intro .intro-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 32px;
        }

        .category-intro .stat-item {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
        }

        .category-intro .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .category-intro .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }

        .category-intro .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        .category-intro .intro-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            position: relative;
        }

        .category-intro .intro-image img {
            width: 100%;
            height: auto;
            transition: transform var(--transition-slow);
        }

        .category-intro .intro-image:hover img {
            transform: scale(1.03);
        }

        /* ========== 资讯列表区 ========== */
        .news-section {
            padding: 0 0 100px;
            background: var(--color-bg);
        }

        .news-section .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .news-section .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .news-section .section-header p {
            font-size: 1rem;
            color: var(--color-text-light);
            max-width: 500px;
            margin: 0 auto;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--color-border);
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: transparent;
        }

        .news-card .card-img {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .news-card:hover .card-img img {
            transform: scale(1.06);
        }

        .news-card .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-highlight);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 2;
        }

        .news-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .card-date {
            font-size: 0.82rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .news-card .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .news-card:hover .card-title {
            color: var(--color-accent);
        }

        .news-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .news-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .news-card .read-more .arrow {
            transition: transform var(--transition-fast);
            display: inline-block;
        }

        .news-card .read-more:hover {
            color: #B38A2E;
        }

        .news-card .read-more:hover .arrow {
            transform: translateX(4px);
        }

        /* ========== 资讯特色区 ========== */
        .features-section {
            padding: 100px 0;
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }

        .features-section .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .features-section .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .features-section .section-header p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .feature-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(201, 164, 62, 0.3);
            transform: translateY(-4px);
        }

        .feature-item .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(201, 164, 62, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-accent);
            transition: all var(--transition-smooth);
        }

        .feature-item:hover .feature-icon {
            background: rgba(201, 164, 62, 0.25);
            transform: rotate(5deg);
        }

        .feature-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .feature-item p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
        }

        /* ========== 订阅区 ========== */
        .subscribe-section {
            padding: 90px 0;
            background: var(--color-bg);
        }

        .subscribe-inner {
            background: var(--color-card);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border);
            max-width: 700px;
            margin: 0 auto;
        }

        .subscribe-inner h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .subscribe-inner p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            padding: 13px 18px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            background: var(--color-bg);
            transition: border-color var(--transition-fast);
            color: var(--color-text);
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            outline: none;
        }

        .subscribe-form button {
            padding: 13px 28px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .subscribe-form button:hover {
            background: #B38A2E;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(201, 164, 62, 0.35);
        }

        /* ========== FAQ 区 ========== */
        .faq-section {
            padding: 0 0 100px;
            background: var(--color-bg);
        }

        .faq-section .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .faq-section .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            margin-bottom: 14px;
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-icon {
            font-size: 1.3rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ========== CTA 区 ========== */
        .cta-section {
            padding: 0 0 100px;
            background: var(--color-bg);
        }

        .cta-inner {
            background: linear-gradient(135deg, var(--color-primary) 0%, #1a2540 100%);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(201, 164, 62, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-btn-primary {
            padding: 15px 36px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-btn-primary:hover {
            background: #B38A2E;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 164, 62, 0.4);
        }

        .cta-btn-ghost {
            padding: 15px 36px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-btn-ghost:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-bottom {
            text-align: center;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            line-height: 2;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-intro .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .category-intro .intro-image {
                order: -1;
                max-width: 500px;
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
            .category-intro {
                padding: 70px 0 50px;
            }
            .news-section {
                padding: 0 0 60px;
            }
            .features-section {
                padding: 70px 0;
            }
            .subscribe-section {
                padding: 60px 0;
            }
            .faq-section {
                padding: 0 0 60px;
            }
            .cta-section {
                padding: 0 0 60px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                max-width: 450px;
                margin: 0 auto;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .page-banner {
                min-height: 320px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-inner {
                padding: 36px 20px;
            }
            .cta-inner {
                padding: 40px 20px;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .category-intro .intro-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .category-intro .intro-text h2 {
                font-size: 1.6rem;
            }
            .feature-item {
                padding: 24px 16px;
            }
            /* 移动端导航 */
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(22, 30, 46, 0.96);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                padding: 100px 28px 40px;
                gap: 4px;
                transition: right var(--transition-smooth);
                z-index: 1000;
                align-items: stretch;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links a {
                color: rgba(255, 255, 255, 0.85) !important;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
                text-align: left;
            }
            .nav-links a:hover {
                background: rgba(255, 255, 255, 0.06);
                color: var(--color-accent) !important;
            }
            .nav-links a.active {
                background: rgba(201, 164, 62, 0.12);
                color: var(--color-accent) !important;
            }
            .nav-links a::after {
                display: none;
            }
            .nav-cta-btn {
                margin-left: 0 !important;
                margin-top: 10px;
                text-align: center !important;
                display: block;
            }
            .site-header.scrolled .nav-links a {
                color: rgba(255, 255, 255, 0.85) !important;
            }
        }

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-intro .intro-stats {
                grid-template-columns: 1fr 1fr;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-btn-primary,
            .cta-btn-ghost {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 16px 18px;
            }
            .news-card .card-img {
                height: 160px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #0B1226;
            --color-accent: #C9A43E;
            --color-highlight: #E85D2C;
            --color-bg: #F8F7F4;
            --color-bg-dark: #161E2E;
            --color-card: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-light: #888888;
            --color-text-on-dark: #FFFFFF;
            --color-border: #E5E3DE;
            --color-nav-bg: rgba(255, 255, 255, 0.92);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition-fast);
        }

        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        @media (max-width: 768px) {
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
            :root {
                --section-gap: 80px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all var(--transition-smooth);
            background: transparent;
            padding: 0;
        }

        .site-header.scrolled {
            background: var(--color-nav-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 20px;
            height: 68px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-smooth);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 1001;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header.scrolled .logo {
            color: var(--color-primary);
        }

        .site-header.scrolled .logo .logo-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .site-header.scrolled .nav-links a {
            color: var(--color-text);
        }

        .nav-links a:hover {
            color: var(--color-accent);
        }

        .nav-links a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 1px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            margin-left: 8px;
            transition: all var(--transition-fast) !important;
        }

        .nav-cta-btn:hover {
            background: #B38A2E !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(201, 164, 62, 0.35);
        }

        .nav-cta-btn::after {
            display: none !important;
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            padding: 8px;
            background: none;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled .hamburger span {
            background: var(--color-primary);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: rgba(22, 30, 46, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 16px;
                transform: translateX(100%);
                transition: transform var(--transition-smooth);
                z-index: 1000;
            }

            .nav-links.open {
                transform: translateX(0);
            }

            .nav-links a {
                font-size: 1.2rem;
                color: #fff !important;
                padding: 12px 24px;
            }

            .nav-links a.active {
                color: var(--color-accent) !important;
            }

            .nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                font-size: 1.1rem !important;
                padding: 14px 32px !important;
            }

            .hamburger {
                display: flex;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 12px 16px;
                height: 60px;
            }
            .logo {
                font-size: 1.25rem;
            }
            .logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-links a {
                font-size: 1rem;
                padding: 10px 18px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 18, 38, 0.7) 0%, rgba(11, 18, 38, 0.55) 40%, rgba(22, 30, 46, 0.75) 100%);
            z-index: 1;
        }

        .hero-video-play {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.18);
            border: 3px solid rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 2;
            transition: all var(--transition-smooth);
            animation: pulse-ring 2.5s ease-out infinite;
        }

        .hero-video-play::after {
            content: '';
            width: 0;
            height: 0;
            border-style: solid;
            border-width: 14px 0 14px 24px;
            border-color: transparent transparent transparent #fff;
            margin-left: 4px;
        }

        .hero-video-play:hover {
            background: rgba(255, 255, 255, 0.32);
            border-color: #fff;
            transform: translate(-50%, -50%) scale(1.08);
            box-shadow: 0 0 40px rgba(255, 255, 255, 0.25);
        }

        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.35);
            }
            70% {
                box-shadow: 0 0 0 40px rgba(255, 255, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
            }
        }

        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 750px;
            padding: 0 20px;
            animation: fadeInUp 0.8s ease forwards;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            background: rgba(201, 164, 62, 0.2);
            border: 1px solid rgba(201, 164, 62, 0.4);
            color: var(--color-accent);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }

        .hero-content h1 span {
            color: var(--color-accent);
        }

        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto 32px;
            font-weight: 400;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: #B38A2E;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 164, 62, 0.35);
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-ghost:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
        }

        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .hero-video-play {
                width: 64px;
                height: 64px;
                border-width: 2px;
            }
            .hero-video-play::after {
                border-width: 10px 0 10px 17px;
                margin-left: 3px;
            }
            .btn-primary,
            .btn-ghost {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            .hero-video-play {
                width: 52px;
                height: 52px;
            }
            .hero-video-play::after {
                border-width: 8px 0 8px 14px;
                margin-left: 2px;
            }
        }

        /* ========== 板块标题 ========== */
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header .section-label {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 20px;
            background: rgba(201, 164, 62, 0.1);
            color: var(--color-accent);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.4rem;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }

        /* ========== 趋势速览卡片（非对称） ========== */
        .trends-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 24px;
            align-items: start;
        }

        .trend-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            border: 1px solid var(--color-border);
        }

        .trend-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .trend-card.featured {
            grid-row: span 2;
            padding: 40px 32px;
            background: var(--color-bg-dark);
            color: #fff;
            border: none;
        }

        .trend-card.featured .trend-icon {
            background: rgba(201, 164, 62, 0.2);
            color: var(--color-accent);
        }

        .trend-card.featured h3 {
            color: #fff;
        }

        .trend-card.featured p {
            color: rgba(255, 255, 255, 0.7);
        }

        .trend-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(201, 164, 62, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            margin-bottom: 18px;
            transition: transform var(--transition-fast);
        }

        .trend-card:hover .trend-icon {
            transform: rotate(5deg);
        }

        .trend-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .trend-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .trend-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            background: rgba(232, 93, 44, 0.1);
            color: var(--color-highlight);
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 14px;
        }

        .trend-card.featured .trend-tag {
            background: rgba(232, 93, 44, 0.25);
            color: #ff8c5a;
        }

        @media (max-width: 1024px) {
            .trends-grid {
                grid-template-columns: 1fr 1fr;
            }
            .trend-card.featured {
                grid-row: auto;
            }
        }

        @media (max-width: 768px) {
            .trends-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .trend-card {
                padding: 24px 20px;
            }
            .trend-card.featured {
                padding: 28px 22px;
            }
        }

        /* ========== 深度分析区 ========== */
        .deep-analysis {
            background: var(--color-bg-dark);
            color: #fff;
            padding: var(--section-gap) 0;
        }

        .deep-analysis .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .deep-analysis-text h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.3;
            color: #fff;
        }

        .deep-analysis-text h2 span {
            color: var(--color-accent);
        }

        .deep-analysis-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .deep-analysis-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .deep-analysis-image img {
            width: 100%;
            border-radius: var(--radius-lg);
            transition: transform var(--transition-slow);
        }

        .deep-analysis-image:hover img {
            transform: scale(1.03);
        }

        .deep-analysis-image::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(201, 164, 62, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        @media (max-width: 768px) {
            .deep-analysis .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .deep-analysis-text h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== 数据洞察 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 8px;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .stat-change {
            font-size: 0.8rem;
            color: #2ecc71;
            font-weight: 600;
            margin-top: 6px;
        }

        @media (max-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
            .stat-card {
                padding: 24px 18px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== 热点追踪（图文交错） ========== */
        .hotspot-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 48px;
        }

        .hotspot-row:last-child {
            margin-bottom: 0;
        }

        .hotspot-row.reverse {
            direction: rtl;
        }

        .hotspot-row.reverse .hotspot-text {
            direction: ltr;
        }

        .hotspot-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }

        .hotspot-image img {
            width: 100%;
            border-radius: var(--radius-lg);
            transition: transform var(--transition-slow);
        }

        .hotspot-image:hover img {
            transform: scale(1.04);
        }

        .hotspot-image .image-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--color-highlight);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            z-index: 2;
        }

        .hotspot-text h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .hotspot-text p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .hotspot-text .link-more {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }

        .hotspot-text .link-more:hover {
            gap: 10px;
            color: #B38A2E;
        }

        @media (max-width: 768px) {
            .hotspot-row {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hotspot-row.reverse {
                direction: ltr;
            }
            .hotspot-text h3 {
                font-size: 1.15rem;
            }
        }

        /* ========== 行业报告展示 ========== */
        .reports-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .report-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }

        .report-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .report-card-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .report-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .report-card:hover .report-card-image img {
            transform: scale(1.05);
        }

        .report-card-body {
            padding: 20px 22px;
        }

        .report-card-body .report-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .report-card-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .report-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .report-card-body .btn-sm {
            padding: 8px 18px;
            border-radius: var(--radius-md);
            background: transparent;
            border: 1.5px solid var(--color-accent);
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .report-card-body .btn-sm:hover {
            background: var(--color-accent);
            color: #fff;
        }

        @media (max-width: 1024px) {
            .reports-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .reports-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
            padding: var(--section-gap) 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            gap: 16px;
        }

        .faq-question .faq-arrow {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            color: var(--color-accent);
            font-size: 1.2rem;
            text-align: center;
            line-height: 24px;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            padding-right: 40px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        .faq-item:hover .faq-question {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .faq-question {
                font-size: 0.95rem;
            }
            .faq-answer {
                font-size: 0.9rem;
            }
        }

        /* ========== CTA 转化区 ========== */
        .cta-section {
            background: var(--color-bg-dark);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(201, 164, 62, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-section h2 span {
            color: var(--color-accent);
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 550px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            font-size: 1.1rem;
            padding: 16px 40px;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-primary {
                padding: 14px 30px;
                font-size: 1rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0B1226;
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-col .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 40px auto 0;
            padding: 20px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            line-height: 2;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .footer-col a {
                padding: 8px 0;
            }
        }

        /* ========== 底部固定转化条 ========== */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 70px;
            background: var(--color-primary);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            padding: 0 20px;
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
        }

        .bottom-sticky-bar.visible {
            transform: translateY(0);
        }

        .bottom-sticky-bar span {
            color: #fff;
            font-weight: 500;
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .bottom-sticky-bar .btn-sticky {
            padding: 10px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-sticky-primary {
            background: var(--color-highlight);
            color: #fff;
            animation: pulse-btn 2s ease-in-out infinite;
        }

        .btn-sticky-primary:hover {
            background: #d14f1f;
            transform: scale(1.03);
        }

        @keyframes pulse-btn {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 93, 44, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(232, 93, 44, 0);
            }
        }

        .btn-sticky-ghost {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-sticky-ghost:hover {
            background: #fff;
            color: var(--color-primary);
        }

        @media (max-width: 768px) {
            .bottom-sticky-bar {
                height: auto;
                flex-wrap: wrap;
                padding: 12px 16px;
                gap: 10px;
                text-align: center;
            }
            .bottom-sticky-bar span {
                width: 100%;
                font-size: 0.85rem;
            }
            .bottom-sticky-bar .btn-sticky {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .bottom-sticky-bar {
                gap: 8px;
                padding: 10px 12px;
            }
            .bottom-sticky-bar span {
                font-size: 0.8rem;
            }
            .bottom-sticky-bar .btn-sticky {
                padding: 8px 16px;
                font-size: 0.8rem;
                border-radius: 6px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #0B1226;
            --color-accent: #C9A43E;
            --color-highlight: #E85D2C;
            --color-bg: #F8F7F4;
            --color-bg-dark: #161E2E;
            --color-card: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-light: #888888;
            --color-text-on-dark: #FFFFFF;
            --color-border: #E5E3DE;
            --color-nav-bg: rgba(255, 255, 255, 0.92);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition-fast);
        }

        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all var(--transition-smooth);
            background: transparent;
            padding: 0;
        }

        .site-header.scrolled {
            background: var(--color-nav-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 20px;
            height: 68px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-smooth);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 1001;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header.scrolled .logo {
            color: var(--color-primary);
        }

        .site-header.scrolled .logo .logo-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .site-header.scrolled .nav-links a {
            color: var(--color-text);
        }

        .nav-links a:hover {
            color: var(--color-accent);
        }

        .nav-links a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 1px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            margin-left: 8px;
            transition: all var(--transition-fast) !important;
        }

        .nav-cta-btn:hover {
            background: #B38A2E !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(201, 164, 62, 0.35);
        }

        .nav-cta-btn::after {
            display: none !important;
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
            padding: 4px;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .site-header.scrolled .hamburger span {
            background: var(--color-primary);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== HERO - 白皮书获客 ========== */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(11, 18, 38, 0.88) 0%, rgba(22, 30, 46, 0.82) 40%, rgba(11, 18, 38, 0.9) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 120px 20px 80px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(201, 164, 62, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 60px;
            max-width: var(--container-max);
            width: 100%;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-report-cover {
            background: var(--color-card);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            box-shadow: var(--shadow-xl);
            text-align: center;
            position: relative;
            overflow: hidden;
            animation: fadeInUp 0.8s ease forwards;
        }

        .hero-report-cover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-highlight));
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        }

        .hero-report-cover .report-badge {
            display: inline-block;
            background: var(--color-highlight);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .hero-report-cover .report-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--color-accent), #B38A2E);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.2rem;
            color: #fff;
        }

        .hero-report-cover h3 {
            font-size: 1.4rem;
            color: var(--color-primary);
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .hero-report-cover .report-meta {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 16px;
        }

        .hero-report-cover .report-toc {
            text-align: left;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 2;
            padding: 0 10px;
        }

        .hero-report-cover .report-toc li {
            list-style: none;
            padding-left: 20px;
            position: relative;
        }

        .hero-report-cover .report-toc li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .hero-content {
            animation: fadeInUp 0.8s ease 0.2s forwards;
            opacity: 0;
        }

        .hero-content .hero-tag {
            display: inline-block;
            background: rgba(201, 164, 62, 0.2);
            color: var(--color-accent);
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            border: 1px solid rgba(201, 164, 62, 0.3);
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .hero-content h1 .highlight {
            color: var(--color-accent);
        }

        .hero-content .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-download-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .hero-download-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .hero-download-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .hero-download-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(201, 164, 62, 0.1);
        }

        .btn-download {
            padding: 14px 28px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .btn-download:hover {
            background: #B38A2E;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 164, 62, 0.4);
        }

        .hero-form-note {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 0.02em;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== 数据速览 ========== */
        .stats-section {
            background: var(--color-card);
            padding: 70px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
            transition: all var(--transition-fast);
        }

        .stat-item:hover {
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .stat-number .accent {
            color: var(--color-accent);
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .stat-change {
            display: inline-block;
            font-size: 0.85rem;
            color: #16a34a;
            font-weight: 600;
            margin-top: 6px;
            background: #f0fdf4;
            padding: 2px 10px;
            border-radius: 12px;
        }

        /* ========== 深度分析区 ========== */
        .analysis-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }

        .analysis-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .analysis-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .analysis-image-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .analysis-image-wrap:hover img {
            transform: scale(1.04);
        }

        .analysis-image-wrap .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(11, 18, 38, 0.6) 100%);
            pointer-events: none;
        }

        .analysis-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .analysis-text .section-label {
            display: inline-block;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        .analysis-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .analysis-text .highlight-list {
            list-style: none;
            padding: 0;
            margin: 20px 0;
        }

        .analysis-text .highlight-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            font-size: 0.95rem;
            color: var(--color-text);
            font-weight: 500;
        }

        .analysis-text .highlight-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        /* ========== 趋势时间线 ========== */
        .timeline-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg-dark);
            color: #fff;
        }

        .timeline-section .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .timeline-section .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .timeline-section .section-header p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 1rem;
        }

        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: 40px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 15px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: rgba(201, 164, 62, 0.4);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 40px;
            padding-left: 30px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -31px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid var(--color-bg-dark);
            box-shadow: 0 0 0 4px rgba(201, 164, 62, 0.25);
        }

        .timeline-date {
            font-size: 0.85rem;
            color: var(--color-accent);
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 4px;
        }

        .timeline-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }

        .timeline-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        /* ========== 热门话题卡片 ========== */
        .topics-section {
            padding: var(--section-gap) 0;
            background: var(--color-card);
        }

        .topics-section .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .topics-section .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .topics-section .section-header p {
            color: var(--color-text-secondary);
            font-size: 1rem;
        }

        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .topic-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .topic-card .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(201, 164, 62, 0.15), rgba(201, 164, 62, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            color: var(--color-accent);
        }

        .topic-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .topic-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .topic-card .topic-link {
            font-size: 0.9rem;
            color: var(--color-accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .topic-card .topic-link:hover {
            gap: 10px;
            color: #B38A2E;
        }

        .topic-card .topic-link .arrow {
            transition: transform var(--transition-fast);
        }

        .topic-card .topic-link:hover .arrow {
            transform: translateX(3px);
        }

        /* ========== 报告资源下载区 ========== */
        .resources-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }

        .resources-section .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .resources-section .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .resources-section .section-header p {
            color: var(--color-text-secondary);
            font-size: 1rem;
        }

        .resources-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .resource-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .resource-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-3px);
        }

        .resource-card .resource-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            flex-shrink: 0;
        }

        .resource-card .resource-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .resource-card .resource-info .resource-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
        }

        .resource-card .resource-info p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .resource-card .resource-info .btn-sm {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .resource-card .resource-info .btn-sm:hover {
            color: #B38A2E;
            gap: 8px;
        }

        /* ========== 订阅CTA ========== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--color-primary) 0%, #1a2540 100%);
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.14);
        }

        .cta-form .btn-submit {
            padding: 14px 28px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .cta-form .btn-submit:hover {
            background: #B38A2E;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 164, 62, 0.4);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--color-card);
        }

        .faq-section .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .faq-section .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .faq-section .section-header p {
            color: var(--color-text-secondary);
            font-size: 1rem;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            gap: 16px;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .faq-item:hover .faq-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 14px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: #fff;
            padding: 60px 20px 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto 40px;
        }

        .footer-col .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .footer-bottom p {
            margin: 4px 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-report-cover {
                max-width: 440px;
                margin: 0 auto;
            }
            .hero-content {
                text-align: center;
            }
            .hero-content .hero-subtitle {
                max-width: 100%;
            }
            .hero-download-form {
                justify-content: center;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .analysis-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .resources-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(11, 18, 38, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 100px 30px 40px;
                gap: 8px;
                transition: right var(--transition-smooth);
                z-index: 1000;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links a {
                color: #fff !important;
                font-size: 1.05rem;
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-md);
            }
            .nav-links a:hover {
                background: rgba(255, 255, 255, 0.08);
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                width: 100%;
            }
            .hamburger {
                display: flex;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-report-cover {
                padding: 28px 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .timeline {
                padding-left: 28px;
            }
            .timeline::before {
                left: 10px;
            }
            .timeline-item::before {
                left: -24px;
                width: 10px;
                height: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .hero-download-form {
                flex-direction: column;
                align-items: stretch;
            }
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-report-cover h3 {
                font-size: 1.1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .analysis-text h2 {
                font-size: 1.5rem;
            }
            .resources-grid {
                grid-template-columns: 1fr;
            }
            .resource-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .timeline-section .section-header h2,
            .topics-section .section-header h2,
            .resources-section .section-header h2,
            .faq-section .section-header h2,
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #0B1226;
            --color-accent: #C9A43E;
            --color-highlight: #E85D2C;
            --color-bg: #F8F7F4;
            --color-bg-dark: #161E2E;
            --color-card: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-light: #888888;
            --color-text-on-dark: #FFFFFF;
            --color-border: #E5E3DE;
            --color-nav-bg: rgba(255, 255, 255, 0.92);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            box-sizing: border-box;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition-fast);
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        @media (max-width: 768px) {
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all var(--transition-smooth);
            background: transparent;
            padding: 0;
        }

        .site-header.scrolled {
            background: var(--color-nav-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 20px;
            height: 68px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-smooth);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 1001;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header.scrolled .logo {
            color: var(--color-primary);
        }

        .site-header.scrolled .logo .logo-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .site-header.scrolled .nav-links a {
            color: var(--color-text);
        }

        .nav-links a:hover {
            color: var(--color-accent);
        }

        .nav-links a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 1px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            margin-left: 8px;
            transition: all var(--transition-fast) !important;
        }

        .nav-cta-btn:hover {
            background: #B38A2E !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(201, 164, 62, 0.35);
        }

        .nav-cta-btn::after {
            display: none !important;
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
            padding: 8px;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled .hamburger span {
            background: var(--color-primary);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .hamburger {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 75%;
                max-width: 380px;
                height: 100vh;
                background: rgba(22, 30, 46, 0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                align-items: flex-start;
                padding: 100px 32px 40px;
                gap: 8px;
                transition: right var(--transition-smooth);
                box-shadow: var(--shadow-xl);
                overflow-y: auto;
            }

            .nav-links.open {
                right: 0;
            }

            .nav-links a {
                color: rgba(255, 255, 255, 0.9) !important;
                font-size: 1.05rem;
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-md);
            }

            .nav-links a:hover {
                background: rgba(255, 255, 255, 0.06);
                color: var(--color-accent) !important;
            }

            .nav-links a.active {
                color: var(--color-accent) !important;
                background: rgba(201, 164, 62, 0.12);
            }

            .nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                width: 100%;
                text-align: center;
            }

            .site-header.scrolled .nav-links {
                background: rgba(255, 255, 255, 0.97);
            }

            .site-header.scrolled .nav-links a {
                color: var(--color-text) !important;
            }

            .site-header.scrolled .nav-links a:hover {
                color: var(--color-accent) !important;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 18, 38, 0.75) 0%, rgba(22, 30, 46, 0.6) 40%, rgba(11, 18, 38, 0.7) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 40px 20px;
            animation: fadeInUp 0.8s ease forwards;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-badge {
            display: inline-block;
            background: rgba(201, 164, 62, 0.2);
            border: 1px solid rgba(201, 164, 62, 0.4);
            color: var(--color-accent);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
        }

        .hero-section h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .hero-section h1 .highlight {
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto 36px;
            font-weight: 400;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary-hero {
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            border: 2px solid var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-hero:hover {
            background: #B38A2E;
            border-color: #B38A2E;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 164, 62, 0.4);
            color: #fff;
        }

        .btn-ghost-hero {
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            border: 2px solid rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-ghost-hero:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-section {
                background-attachment: scroll;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary-hero,
            .btn-ghost-hero {
                width: 100%;
                justify-content: center;
                max-width: 300px;
            }
        }

        /* ========== 板块标题 ========== */
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header.centered {
            text-align: center;
        }

        .section-header.centered .section-subtitle {
            margin: 0 auto;
        }

        /* ========== 合作优势卖点 - 非对称布局 ========== */
        .advantages-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .advantage-main-card {
            background: var(--color-card);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
            transition: all var(--transition-smooth);
            border-left: 4px solid var(--color-accent);
        }

        .advantage-main-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .advantage-main-card .adv-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            background: rgba(201, 164, 62, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-accent);
            margin-bottom: 20px;
        }

        .advantage-main-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .advantage-main-card p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
            margin: 0;
        }

        .advantage-side-cards {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .advantage-side-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: all var(--transition-smooth);
            cursor: default;
        }

        .advantage-side-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .advantage-side-card .side-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(201, 164, 62, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .advantage-side-card:hover .side-icon {
            transform: rotate(5deg);
        }

        .advantage-side-card .side-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .advantage-side-card .side-info p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .advantages-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .advantage-main-card {
                padding: 28px;
            }
        }

        /* ========== 品牌展示区 ========== */
        .brands-showcase {
            background: var(--color-bg-dark);
            padding: 80px 0;
        }

        .brands-showcase .section-title {
            color: #fff;
        }

        .brands-showcase .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        .brands-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .brand-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            cursor: default;
            position: relative;
        }

        .brand-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(201, 164, 62, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
        }

        .brand-card .brand-logo-placeholder {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-lg);
            background: rgba(201, 164, 62, 0.15);
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.05em;
            transition: all var(--transition-fast);
        }

        .brand-card:hover .brand-logo-placeholder {
            background: rgba(201, 164, 62, 0.25);
            transform: scale(1.05);
        }

        .brand-card h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .brand-card .brand-tag {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 1024px) {
            .brands-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 640px) {
            .brands-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .brand-card {
                padding: 24px 14px;
            }
            .brand-card .brand-logo-placeholder {
                width: 56px;
                height: 56px;
                font-size: 1.4rem;
            }
        }

        /* ========== 合作模式 ========== */
        .cooperation-modes {
            background: var(--color-bg);
        }

        .modes-timeline {
            position: relative;
            padding-left: 40px;
            border-left: 2px dashed var(--color-border);
            margin-left: 20px;
        }

        .mode-item {
            position: relative;
            margin-bottom: 40px;
            padding-left: 28px;
        }

        .mode-item:last-child {
            margin-bottom: 0;
        }

        .mode-item::before {
            content: '';
            position: absolute;
            left: -49px;
            top: 4px;
            width: 18px;
            height: 18px;
            background: var(--color-accent);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 4px rgba(201, 164, 62, 0.2);
            z-index: 1;
        }

        .mode-item .mode-number {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 6px;
        }

        .mode-item h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .mode-item p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 600px;
        }

        @media (max-width: 768px) {
            .modes-timeline {
                padding-left: 24px;
                margin-left: 10px;
            }
            .mode-item {
                padding-left: 16px;
            }
            .mode-item::before {
                left: -33px;
                width: 14px;
                height: 14px;
            }
        }

        /* ========== 深度内容区 ========== */
        .deep-content {
            background: #fff;
        }

        .deep-content-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .deep-content-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .deep-content-text p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .deep-content-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition-slow);
        }

        .deep-content-image:hover {
            transform: scale(1.02);
        }

        .deep-content-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-xl);
        }

        @media (max-width: 768px) {
            .deep-content-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .deep-content-image {
                order: -1;
            }
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            background: var(--color-primary);
            padding: 80px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 400;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        /* ========== 合作案例 ========== */
        .case-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .case-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            cursor: default;
        }

        .case-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-6px);
        }

        .case-card .case-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .case-card:hover .case-img img {
            transform: scale(1.06);
        }

        .case-card .case-body {
            padding: 20px 24px;
        }

        .case-card .case-tag {
            display: inline-block;
            background: rgba(201, 164, 62, 0.1);
            color: var(--color-accent);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .case-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .case-card p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 1024px) {
            .case-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .case-cards {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }

        .faq-item:hover .faq-question {
            color: var(--color-accent);
        }

        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(201, 164, 62, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #1a2a4a 100%);
            padding: 80px 0;
            text-align: center;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }

        .cta-section .btn-primary-hero {
            font-size: 1.05rem;
            padding: 16px 36px;
        }

        /* ========== 底部固定转化条 ========== */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 70px;
            background: var(--color-primary);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            padding: 0 20px;
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
        }

        .bottom-sticky-bar.visible {
            transform: translateY(0);
        }

        .bottom-sticky-bar .sticky-text {
            color: #fff;
            font-weight: 500;
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .bottom-sticky-bar .sticky-btn {
            background: var(--color-accent);
            color: #fff;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(201, 164, 62, 0.5);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(201, 164, 62, 0);
            }
        }

        .bottom-sticky-bar .sticky-btn:hover {
            background: #B38A2E;
            animation: none;
            box-shadow: 0 4px 16px rgba(201, 164, 62, 0.4);
        }

        .bottom-sticky-bar .sticky-btn-ghost {
            background: transparent;
            color: #fff;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
        }

        .bottom-sticky-bar .sticky-btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        @media (max-width: 640px) {
            .bottom-sticky-bar {
                height: auto;
                flex-direction: column;
                padding: 14px 16px;
                gap: 12px;
                align-items: stretch;
                text-align: center;
            }
            .bottom-sticky-bar .sticky-text {
                font-size: 0.85rem;
            }
            .bottom-sticky-bar .sticky-btn,
            .bottom-sticky-bar .sticky-btn-ghost {
                width: 100%;
                text-align: center;
                padding: 12px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: #fff;
            padding: 60px 0 30px;
            margin-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 40px auto 0;
            padding: 24px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 2;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ========== 通用按钮 ========== */
        .btn-outline-accent {
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
            background: transparent;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-outline-accent:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ========== 响应式间距 ========== */
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* 覆盖Bootstrap默认 */
        .btn:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category7 */
:root {
            --color-primary: #0B1226;
            --color-accent: #C9A43E;
            --color-highlight: #E85D2C;
            --color-bg: #F8F7F4;
            --color-bg-dark: #161E2E;
            --color-card: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-light: #888888;
            --color-text-on-dark: #FFFFFF;
            --color-border: #E5E3DE;
            --color-nav-bg: rgba(255, 255, 255, 0.92);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition-fast);
        }

        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all var(--transition-smooth);
            background: transparent;
            padding: 0;
        }

        .site-header.scrolled {
            background: var(--color-nav-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 20px;
            height: 68px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-smooth);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 1001;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header.scrolled .logo {
            color: var(--color-primary);
        }

        .site-header.scrolled .logo .logo-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .site-header.scrolled .nav-links a {
            color: var(--color-text);
        }

        .nav-links a:hover {
            color: var(--color-accent);
        }

        .nav-links a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 1px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            margin-left: 8px;
            transition: all var(--transition-fast) !important;
        }

        .nav-cta-btn:hover {
            background: #B38A2E !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(201, 164, 62, 0.35);
        }

        .nav-cta-btn::after {
            display: none !important;
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
            padding: 8px;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled .hamburger span {
            background: var(--color-primary);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(11, 18, 38, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-menu-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-overlay a {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 500;
            padding: 12px 24px;
            transition: color var(--transition-fast);
        }

        .mobile-menu-overlay a:hover {
            color: var(--color-accent);
        }

        .mobile-menu-overlay a.active {
            color: var(--color-accent);
            font-weight: 700;
        }

        /* ========== HERO ========== */
        .about-hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .about-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 18, 38, 0.75) 0%, rgba(11, 18, 38, 0.85) 40%, rgba(11, 18, 38, 0.9) 100%);
            z-index: 1;
        }

        .about-hero .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 40px 20px;
            animation: fadeInUp 0.8s ease forwards;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .about-hero .hero-badge {
            display: inline-block;
            background: rgba(201, 164, 62, 0.2);
            border: 1px solid rgba(201, 164, 62, 0.4);
            color: var(--color-accent);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 24px;
        }

        .about-hero h1 {
            font-size: 3.2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .about-hero h1 span {
            color: var(--color-accent);
        }

        .about-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .about-hero .hero-cta-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: #B38A2E;
            border-color: #B38A2E;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 164, 62, 0.4);
            color: #fff;
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-ghost:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats-row {
            display: flex;
            gap: 40px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-stat-item {
            text-align: center;
        }

        .hero-stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        .hero-scroll-indicator {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            animation: bounceDown 2s infinite;
        }

        @keyframes bounceDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(12px);
            }
        }

        .hero-scroll-indicator span {
            display: block;
            width: 30px;
            height: 30px;
            border-right: 2px solid rgba(255, 255, 255, 0.6);
            border-bottom: 2px solid rgba(255, 255, 255, 0.6);
            transform: rotate(45deg);
        }

        /* ========== 品牌故事 ========== */
        .brand-story {
            background: var(--color-card);
            padding: var(--section-gap) 0;
        }

        .brand-story .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .brand-story .story-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 24px;
            position: relative;
            padding-bottom: 16px;
        }

        .brand-story .story-text h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .brand-story .story-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .brand-story .story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            transition: transform var(--transition-slow);
        }

        .brand-story .story-image:hover {
            transform: scale(1.02);
        }

        .brand-story .story-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        /* ========== 核心价值 ========== */
        .core-values {
            background: var(--color-bg);
            padding: var(--section-gap) 0;
        }

        .core-values .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .core-values .section-subtitle {
            text-align: center;
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            margin-bottom: 56px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .values-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 30px;
        }

        .value-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 40px 30px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            border: 1px solid var(--color-border);
        }

        .value-card:nth-child(2) {
            margin-top: -20px;
        }

        .value-card:nth-child(3) {
            margin-top: 20px;
        }

        .value-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: transparent;
        }

        .value-card .value-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(201, 164, 62, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--color-accent);
            margin-bottom: 20px;
            transition: all var(--transition-fast);
        }

        .value-card:hover .value-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(5deg);
        }

        .value-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .value-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== 发展历程 ========== */
        .timeline-section {
            background: var(--color-bg-dark);
            padding: var(--section-gap) 0;
            color: #fff;
        }

        .timeline-section .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .timeline-section .section-subtitle {
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.05rem;
            margin-bottom: 56px;
        }

        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 50px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 22px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: rgba(201, 164, 62, 0.4);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            padding: 24px 0 24px 40px;
            transition: all var(--transition-fast);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -34px;
            top: 32px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid var(--color-bg-dark);
            z-index: 1;
            transition: all var(--transition-fast);
        }

        .timeline-item:hover::before {
            background: var(--color-highlight);
            box-shadow: 0 0 20px rgba(232, 93, 44, 0.6);
            transform: scale(1.3);
        }

        .timeline-item .timeline-year {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }

        .timeline-item .timeline-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }

        .timeline-item .timeline-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }

        /* ========== 深度品牌介绍 ========== */
        .deep-brand {
            background: var(--color-card);
            padding: var(--section-gap) 0;
        }

        .deep-brand .brand-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .deep-brand h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 28px;
            text-align: center;
            position: relative;
            padding-bottom: 16px;
        }

        .deep-brand h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .deep-brand p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: 18px;
            text-indent: 2em;
        }

        .deep-brand .brand-highlight-box {
            background: rgba(201, 164, 62, 0.05);
            border-left: 4px solid var(--color-accent);
            padding: 20px 28px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 32px 0;
            font-size: 1.05rem;
            color: var(--color-primary);
            font-weight: 500;
            line-height: 1.8;
        }

        /* ========== 场景展示 ========== */
        .scene-showcase {
            background: var(--color-bg);
            padding: var(--section-gap) 0;
        }

        .scene-showcase .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .scene-showcase .section-subtitle {
            text-align: center;
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            margin-bottom: 56px;
        }

        .scene-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            margin-bottom: 60px;
        }

        .scene-row:last-child {
            margin-bottom: 0;
        }

        .scene-row.reverse {
            direction: rtl;
        }

        .scene-row.reverse .scene-info {
            direction: ltr;
        }

        .scene-info h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .scene-info p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .scene-info ul {
            list-style: none;
            padding: 0;
            margin-top: 16px;
        }

        .scene-info ul li {
            padding: 6px 0 6px 24px;
            position: relative;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
        }

        .scene-info ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .scene-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition-slow);
        }

        .scene-image:hover {
            transform: scale(1.03);
        }

        .scene-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-card);
            padding: var(--section-gap) 0;
        }

        .faq-section .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .faq-section .section-subtitle {
            text-align: center;
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            margin-bottom: 56px;
        }

        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-arrow {
            width: 20px;
            height: 20px;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            position: relative;
        }

        .faq-question .faq-arrow::before,
        .faq-question .faq-arrow::after {
            content: '';
            position: absolute;
            background: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }

        .faq-question .faq-arrow::before {
            width: 12px;
            height: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .faq-question .faq-arrow::after {
            width: 2px;
            height: 12px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .faq-item.open .faq-arrow::after {
            transform: translate(-50%, -50%) rotate(90deg);
            opacity: 0;
        }

        .faq-item.open .faq-question {
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-bg-dark);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(201, 164, 62, 0.15) 0%, transparent 70%);
            top: -100px;
            right: -100px;
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-primary {
            font-size: 1.1rem;
            padding: 16px 40px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0F1E;
            color: #fff;
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            margin-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .footer-bottom p {
            margin: 4px 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== 底部固定转化条 ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--color-primary);
            z-index: 998;
            padding: 14px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
        }

        .sticky-bottom-bar.visible {
            transform: translateY(0);
        }

        .sticky-bottom-bar .sticky-text {
            color: #fff;
            font-weight: 500;
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .sticky-bottom-bar .btn-primary {
            animation: pulseBtn 2.5s infinite;
        }

        @keyframes pulseBtn {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(201, 164, 62, 0.5);
            }
            50% {
                box-shadow: 0 0 0 16px rgba(201, 164, 62, 0);
            }
        }

        .sticky-bottom-bar .btn-outline-light {
            background: transparent;
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .sticky-bottom-bar .btn-outline-light:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .container {
                padding: 0 24px;
            }
            .about-hero h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 1024px) {
            .brand-story .story-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .brand-story .story-image {
                order: -1;
                max-width: 500px;
                margin: 0 auto;
            }
            .values-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .value-card:nth-child(2) {
                margin-top: 0;
            }
            .value-card:nth-child(3) {
                margin-top: 0;
            }
            .scene-row {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .scene-row.reverse {
                direction: ltr;
            }
            .scene-image {
                max-width: 500px;
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .hero-stats-row {
                gap: 24px;
            }
            .hero-stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu-overlay {
                display: flex;
            }
            .about-hero h1 {
                font-size: 2rem;
            }
            .about-hero .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 16px;
                flex-wrap: wrap;
            }
            .hero-stat-item {
                flex: 1 1 40%;
                min-width: 100px;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
            .values-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
            .timeline {
                padding-left: 30px;
            }
            .timeline::before {
                left: 12px;
            }
            .timeline-item {
                padding-left: 28px;
            }
            .timeline-item::before {
                left: -24px;
                width: 10px;
                height: 10px;
            }
            .deep-brand p {
                font-size: 0.95rem;
                text-indent: 1.5em;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 10px;
                padding: 12px 16px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.85rem;
                text-align: center;
            }
            .btn-primary,
            .btn-ghost {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .about-hero {
                background-attachment: scroll;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 18px;
            }
            .core-values .section-title,
            .timeline-section .section-title,
            .scene-showcase .section-title,
            .faq-section .section-title,
            .deep-brand h2,
            .brand-story .story-text h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .about-hero h1 {
                font-size: 1.6rem;
            }
            .about-hero .hero-badge {
                font-size: 0.75rem;
                padding: 6px 14px;
            }
            .hero-stats-row {
                gap: 10px;
            }
            .hero-stat-number {
                font-size: 1.3rem;
            }
            .hero-stat-label {
                font-size: 0.7rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-ghost {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .value-card {
                padding: 24px 18px;
            }
            .footer-bottom {
                font-size: 0.75rem;
            }
        }