/* roulang page: index */
:root {
            --color-primary: #1A1F2B;
            --color-accent: #C9A96E;
            --color-emphasis: #F04E23;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-text: #333333;
            --color-text-secondary: #666666;
            --color-text-muted: #999999;
            --color-border: #E5E5E5;
            --color-white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 76px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        a:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 var(--spacing-md);
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 var(--spacing-lg);
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-primary);
            box-shadow: var(--shadow-md);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            font-weight: bold;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--color-white);
            text-decoration: none;
        }
        .logo-text a:hover {
            color: var(--color-accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .main-nav li a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .main-nav li a:hover,
        .main-nav li a.active {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .city-selector {
            position: relative;
            flex-shrink: 0;
            margin-left: 8px;
        }

        .city-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-btn:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .city-btn i {
            font-size: 13px;
        }

        .city-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 6px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            min-width: 200px;
            z-index: 1001;
            padding: 12px;
            list-style: none;
        }

        .city-dropdown.show {
            display: block;
        }

        .city-dropdown li {
            padding: 8px 14px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .city-dropdown li:hover {
            background: var(--color-bg-alt);
            color: var(--color-emphasis);
        }

        .city-dropdown li.active-city {
            background: #fdf6ed;
            color: var(--color-accent);
            font-weight: 600;
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 26px;
            cursor: pointer;
            padding: 8px;
        }

        @media (max-width: 1023px) {
            .hamburger-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: var(--color-primary);
                flex-direction: column;
                padding: 16px;
                gap: 2px;
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .main-nav.mobile-open {
                display: flex;
            }
            .main-nav li a {
                padding: 14px 16px;
                font-size: 16px;
                border-radius: var(--radius-sm);
            }
            .city-selector {
                margin-left: 0;
            }
            .city-btn {
                font-size: 13px;
                padding: 8px 12px;
            }
        }

        @media (max-width: 640px) {
            .logo-text {
                font-size: 18px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            body {
                padding-top: 64px;
            }
            .site-header {
                height: 64px;
            }
            .main-nav {
                top: 64px;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 31, 43, 0.88) 0%, rgba(26, 31, 43, 0.55) 60%, rgba(26, 31, 43, 0.35) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: var(--spacing-xxl) 0;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1 1 500px;
            min-width: 280px;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--color-white);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--color-accent);
            font-size: 12px;
        }

        .hero-title {
            font-size: 44px;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.2;
            margin-bottom: var(--spacing-md);
            letter-spacing: 1px;
        }
        .hero-title span {
            color: var(--color-accent);
        }

        .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-emphasis);
            color: var(--color-white);
            border-color: var(--color-emphasis);
        }
        .btn-primary:hover {
            background: #C03D1A;
            border-color: #C03D1A;
            color: #fff;
            transform: scale(1.03);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-white);
            border-color: var(--color-accent);
        }
        .btn-outline:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            transform: scale(1.03);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        .btn-accent {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }
        .btn-accent:hover {
            background: #b8944f;
            border-color: #b8944f;
            color: #fff;
            transform: scale(1.03);
        }

        .hero-stats-panel {
            flex: 0 0 320px;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .hero-stat-icon {
            width: 44px;
            height: 44px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .hero-stat-info .stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.2;
        }
        .hero-stat-info .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.4;
        }

        @media (max-width: 1023px) {
            .hero-title {
                font-size: 34px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .hero-stats-panel {
                flex: 0 0 100%;
                flex-direction: row;
                flex-wrap: wrap;
                gap: var(--spacing-sm);
            }
            .hero-stat-item {
                flex: 1 1 120px;
            }
        }
        @media (max-width: 640px) {
            .hero-section {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
            .hero-stats-panel {
                padding: var(--spacing-md);
            }
            .hero-stat-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .hero-stat-info .stat-num {
                font-size: 20px;
            }
        }

        /* Section Common */
        .section-block {
            padding: var(--spacing-xxl) 0;
        }
        .section-block.bg-alt {
            background: var(--color-bg-alt);
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
            text-align: center;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--color-text-secondary);
            text-align: center;
            margin-bottom: var(--spacing-xl);
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        @media (max-width: 640px) {
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 15px;
            }
            .section-block {
                padding: 50px 0;
            }
        }

        /* Hot Events Grid (券面网格转化) */
        .hot-events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }
        .event-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
            border: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .event-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .event-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-emphasis);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }
        .event-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .event-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
        }
        .event-card-info {
            font-size: 13px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .event-card-meta {
            font-size: 13px;
            color: var(--color-text-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
            padding-top: 8px;
            border-top: 1px solid var(--color-border);
        }
        .event-card-link {
            color: var(--color-emphasis);
            font-weight: 600;
            font-size: 13px;
            text-decoration: none;
        }
        .event-card-link:hover {
            color: #C03D1A;
        }

        /* Feature Blocks */
        .feature-block {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xxl);
            flex-wrap: wrap;
        }
        .feature-block.reverse {
            flex-direction: row-reverse;
        }
        .feature-img {
            flex: 1 1 400px;
            min-width: 280px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .feature-img img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }
        .feature-text {
            flex: 1 1 400px;
            min-width: 280px;
        }
        .feature-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }
        .feature-text p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: var(--spacing-sm);
        }
        .feature-highlight-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .feature-highlight-list li {
            padding: 6px 0;
            font-size: 15px;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        .feature-highlight-list li i {
            color: var(--color-accent);
            margin-top: 3px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .feature-text h3 {
                font-size: 22px;
            }
            .feature-img img {
                height: 220px;
            }
        }

        /* Scenario Blocks */
        .scenario-row {
            display: flex;
            align-items: stretch;
            flex-wrap: wrap;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            margin-bottom: var(--spacing-lg);
        }
        .scenario-row.bg-light {
            background: var(--color-bg-alt);
        }
        .scenario-row.bg-white-bg {
            background: var(--color-white);
        }
        .scenario-img {
            flex: 1 1 50%;
            min-width: 300px;
            min-height: 300px;
            background-size: cover;
            background-position: center;
        }
        .scenario-text {
            flex: 1 1 50%;
            min-width: 300px;
            padding: var(--spacing-xl);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .scenario-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
        }
        .scenario-text p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .scenario-img {
                min-height: 200px;
            }
            .scenario-text {
                padding: var(--spacing-md);
            }
            .scenario-text h3 {
                font-size: 20px;
            }
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: var(--spacing-sm);
        }
        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 16px;
        }
        .testimonial-role {
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .testimonial-stars {
            color: var(--color-accent);
            margin-bottom: 8px;
            font-size: 14px;
        }
        .testimonial-quote {
            font-style: italic;
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 15px;
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }
        .pricing-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-sm);
            border: 2px solid var(--color-border);
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
        }
        .pricing-card.featured {
            border-color: var(--color-emphasis);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
        }
        .pricing-card.featured .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-emphasis);
            color: #fff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
        }
        .pricing-card h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .pricing-price {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-emphasis);
            margin: var(--spacing-sm) 0;
        }
        .pricing-price small {
            font-size: 16px;
            font-weight: 400;
            color: var(--color-text-muted);
        }
        .pricing-features {
            list-style: none;
            padding: 0;
            margin: var(--spacing-md) 0;
            text-align: left;
        }
        .pricing-features li {
            padding: 8px 0;
            font-size: 15px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px solid var(--color-border);
        }
        .pricing-features li i {
            color: var(--color-accent);
            font-size: 13px;
        }
        @media (max-width: 768px) {
            .pricing-card.featured {
                transform: none;
            }
        }

        /* Compare Table */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
            font-size: 15px;
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 18px;
            text-align: center;
            border-bottom: 1px solid var(--color-border);
        }
        .compare-table th {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .compare-table th.highlight-col {
            background: var(--color-emphasis);
        }
        .compare-table td {
            color: var(--color-text);
        }
        .compare-table tr:nth-child(even) td {
            background: var(--color-bg-alt);
        }
        .compare-table .check-icon {
            color: #27ae60;
            font-weight: 700;
        }
        .compare-table .cross-icon {
            color: #c0392b;
        }

        /* Live Preview */
        .live-preview-card {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            box-shadow: var(--shadow-lg);
        }
        .live-preview-img {
            flex: 1 1 300px;
            min-height: 240px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .live-countdown {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .live-countdown i {
            color: var(--color-emphasis);
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }
        .live-preview-body {
            flex: 1 1 300px;
            padding: var(--spacing-xl);
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: var(--spacing-sm);
        }
        .live-preview-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
        }
        .live-preview-body p {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            font-size: 15px;
        }
        .live-highlights {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .live-highlights li {
            background: rgba(255, 255, 255, 0.12);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
        }

        /* Brand Intro */
        .brand-intro {
            background: var(--color-bg-alt);
            padding: var(--spacing-xxl) 0;
            text-align: center;
        }
        .brand-intro .container-custom {
            max-width: 800px;
        }
        .brand-intro h3 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-md);
        }
        .brand-intro p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: var(--spacing-sm);
        }

        /* News Center */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            padding: var(--spacing-md) 0;
            border-bottom: 1px solid var(--color-border);
            flex-wrap: wrap;
            transition: all var(--transition-fast);
        }
        .news-item:hover {
            background: #fafafa;
            padding-left: 8px;
            border-radius: var(--radius-sm);
        }
        .news-date-tag {
            background: var(--color-accent);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-content {
            flex: 1;
            min-width: 200px;
        }
        .news-content h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-content p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 4px;
            line-height: 1.6;
        }
        .news-readmore {
            font-size: 13px;
            color: var(--color-emphasis);
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-readmore:hover {
            color: #C03D1A;
        }

        /* Related Recommendations */
        .related-track {
            display: flex;
            gap: var(--spacing-md);
            overflow-x: auto;
            padding-bottom: 8px;
            -webkit-overflow-scrolling: touch;
            scroll-snap-type: x mandatory;
        }
        .related-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .related-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
        }
        .related-card-body {
            padding: var(--spacing-md);
        }
        .related-card-body h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .related-card-body p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            padding: var(--spacing-xxl) 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: #fff;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .cta-section .btn {
            font-size: 17px;
            padding: 16px 36px;
        }

        /* Footer */
        .site-footer {
            background: #141820;
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-xxl) 0 var(--spacing-md);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .footer-col p,
        .footer-col li {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
        }

        /* Platform advantages */
        .advantage-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }
        .advantage-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--color-accent);
            transition: all var(--transition-normal);
        }
        .advantage-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .advantage-item h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .advantage-item p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-lg {
            margin-top: var(--spacing-lg);
        }
        .mt-xl {
            margin-top: var(--spacing-xl);
        }
        .mb-lg {
            margin-bottom: var(--spacing-lg);
        }

/* roulang page: category1 */
:root {
            --color-primary: #1A1F2B;
            --color-accent: #C9A96E;
            --color-emphasis: #F04E23;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-text: #333333;
            --color-text-secondary: #666666;
            --color-text-muted: #999999;
            --color-border: #E5E5E5;
            --color-white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 76px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        a:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 var(--spacing-md);
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 var(--spacing-lg);
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-primary);
            box-shadow: var(--shadow-md);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            font-weight: bold;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--color-white);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--color-accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .main-nav li a {
            display: block;
            padding: 10px 14px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .main-nav li a:hover,
        .main-nav li a.active {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .city-selector {
            position: relative;
            flex-shrink: 0;
        }

        .city-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-btn:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .city-btn i {
            font-size: 13px;
        }

        .city-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 6px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            list-style: none;
            padding: 8px 0;
            min-width: 140px;
            z-index: 1001;
            border: 1px solid var(--color-border);
        }

        .city-dropdown.open {
            display: block;
        }

        .city-dropdown li {
            padding: 10px 18px;
            cursor: pointer;
            font-size: 14px;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-dropdown li:hover {
            background: var(--color-bg-alt);
            color: var(--color-emphasis);
        }

        .city-dropdown li.active-city {
            color: var(--color-accent);
            font-weight: 600;
            background: #fdf9f2;
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 26px;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

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

            .main-nav {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: var(--color-primary);
                flex-direction: column;
                padding: 16px 0;
                gap: 0;
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav li {
                width: 100%;
            }

            .main-nav li a {
                padding: 14px 24px;
                border-radius: 0;
                font-size: 16px;
            }

            .main-nav li a.active::after {
                left: 24px;
                right: auto;
                width: 40px;
                bottom: 8px;
            }

            .city-selector {
                margin-left: auto;
                margin-right: 8px;
            }
        }

        @media (max-width: 640px) {
            .logo-text {
                font-size: 18px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .city-btn span {
                max-width: 50px;
                overflow: hidden;
                text-overflow: ellipsis;
            }

            .city-btn {
                padding: 8px 10px;
                font-size: 13px;
            }
        }

        /* Breadcrumb */
        .breadcrumb-section {
            background: var(--color-bg-alt);
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li a {
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb li a:hover {
            color: var(--color-emphasis);
        }

        .breadcrumb li:last-child {
            color: var(--color-text);
            font-weight: 600;
        }

        .breadcrumb .separator {
            color: var(--color-text-muted);
            font-size: 12px;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 31, 43, 0.88) 0%, rgba(26, 31, 43, 0.55) 50%, rgba(26, 31, 43, 0.35) 100%);
            z-index: 1;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: var(--spacing-xl) 0;
            width: 100%;
        }

        .category-hero .hero-badge {
            display: inline-block;
            background: var(--color-emphasis);
            color: var(--color-white);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.25;
            letter-spacing: 0.5px;
        }

        .category-hero .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 var(--spacing-lg) 0;
            line-height: 1.7;
            max-width: 600px;
        }

        .category-hero .hero-stats {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-lg);
        }

        .category-hero .hero-stat {
            text-align: center;
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            min-width: 90px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .category-hero .hero-stat .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .category-hero .hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        .btn-primary {
            display: inline-block;
            background: var(--color-emphasis);
            color: var(--color-white);
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-decoration: none;
            transition: all var(--transition-normal);
            cursor: pointer;
            border: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #C03D1A;
            color: var(--color-white);
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--color-white);
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-decoration: none;
            transition: all var(--transition-normal);
            cursor: pointer;
            border: 2px solid rgba(255, 255, 255, 0.5);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.06);
        }

        @media (max-width: 768px) {
            .category-hero {
                min-height: 340px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero .hero-subtitle {
                font-size: 15px;
            }

            .category-hero .hero-stats {
                gap: var(--spacing-sm);
            }

            .category-hero .hero-stat {
                padding: var(--spacing-xs) var(--spacing-sm);
                min-width: 70px;
            }

            .category-hero .hero-stat .stat-number {
                font-size: 24px;
            }
        }

        /* Section Common */
        .section {
            padding: var(--spacing-xxl) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.3;
            text-align: center;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            text-align: center;
            max-width: 700px;
            margin: 0 auto var(--spacing-xl) auto;
            line-height: 1.7;
        }

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

        /* Feature Blocks */
        .feature-block {
            display: flex;
            gap: var(--spacing-xl);
            align-items: center;
            margin-bottom: var(--spacing-xxl);
            flex-wrap: wrap;
        }

        .feature-block.reverse {
            flex-direction: row-reverse;
        }

        .feature-block .feature-image {
            flex: 1 1 45%;
            min-width: 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .feature-block .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
            transition: transform var(--transition-normal);
        }

        .feature-block .feature-image:hover img {
            transform: scale(1.03);
        }

        .feature-block .feature-text {
            flex: 1 1 45%;
            min-width: 280px;
        }

        .feature-block .feature-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.3;
        }

        .feature-block .feature-text p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0 0 var(--spacing-md) 0;
        }

        .feature-block .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-block .feature-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.6;
        }

        .feature-block .feature-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--color-accent);
            font-size: 14px;
        }

        @media (max-width: 768px) {
            .feature-block {
                gap: var(--spacing-lg);
                margin-bottom: var(--spacing-xl);
            }

            .feature-block .feature-image {
                flex: 1 1 100%;
                min-width: 100%;
            }

            .feature-block .feature-text {
                flex: 1 1 100%;
                min-width: 100%;
            }

            .feature-block .feature-text h3 {
                font-size: 20px;
            }

            .section-title {
                font-size: 24px;
            }
        }

        /* Coverage Cards */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }

        .coverage-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

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

        .coverage-card .card-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--color-accent) 0%, #e0c78a 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm) auto;
            font-size: 24px;
            color: var(--color-primary);
        }

        .coverage-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-xs) 0;
        }

        .coverage-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .coverage-card .card-tag {
            display: inline-block;
            background: var(--color-bg-alt);
            color: var(--color-accent);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
            margin-top: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        /* Data Highlight */
        .data-highlight-section {
            background: var(--color-primary);
            padding: var(--spacing-xl) 0;
            color: var(--color-white);
        }

        .data-highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-md);
            text-align: center;
        }

        .data-highlight-item {
            padding: var(--spacing-lg) var(--spacing-sm);
        }

        .data-highlight-item .dh-number {
            font-size: 42px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .data-highlight-item .dh-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.5;
        }

        .data-highlight-item .dh-icon {
            font-size: 30px;
            color: var(--color-accent);
            margin-bottom: var(--spacing-sm);
        }

        /* FAQ */
        .faq-section {
            padding: var(--spacing-xxl) 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            list-style: none;
            padding: 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-md) 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;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            gap: var(--spacing-sm);
            transition: color var(--transition-fast);
        }

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

        .faq-question i {
            color: var(--color-accent);
            transition: transform var(--transition-normal);
            font-size: 14px;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: var(--spacing-sm);
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, var(--color-primary) 0%, #2a3040 100%);
            padding: var(--spacing-xl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.1);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 var(--spacing-sm) 0;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 var(--spacing-lg) 0;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 17px;
            padding: 16px 40px;
        }

        @media (max-width: 640px) {
            .cta-banner h2 {
                font-size: 24px;
            }

            .cta-banner {
                padding: var(--spacing-lg) 0;
            }

            .data-highlight-item .dh-number {
                font-size: 32px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-xl) 0 0 0;
            font-size: 14px;
            line-height: 1.7;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 var(--spacing-sm) 0;
            letter-spacing: 0.5px;
        }

        .footer-col p {
            margin: 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition-fast);
            font-size: 14px;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-md) 0;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom-links {
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* Smooth page transitions */
        .section,
        .category-hero,
        .cta-banner {
            animation: fadeInUp 0.5s ease forwards;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Skip to main content */
        .skip-link {
            position: absolute;
            top: -100px;
            left: 10px;
            background: var(--color-emphasis);
            color: #fff;
            padding: 8px 16px;
            z-index: 2000;
            border-radius: var(--radius-sm);
            font-size: 14px;
            transition: top var(--transition-fast);
        }

        .skip-link:focus {
            top: 10px;
        }

/* roulang page: category2 */
:root {
            --color-primary: #1A1F2B;
            --color-accent: #C9A96E;
            --color-emphasis: #F04E23;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-text: #333333;
            --color-text-secondary: #666666;
            --color-text-muted: #999999;
            --color-border: #E5E5E5;
            --color-white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 76px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        a:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 var(--spacing-md);
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 var(--spacing-lg);
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-primary);
            box-shadow: var(--shadow-md);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            font-weight: bold;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--color-white);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--color-accent);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .main-nav li a {
            display: block;
            padding: 10px 14px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .main-nav li a:hover,
        .main-nav li a.active {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .city-selector {
            position: relative;
            flex-shrink: 0;
        }

        .city-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-btn:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .city-btn i {
            font-size: 13px;
        }

        .city-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 6px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            list-style: none;
            padding: 8px 0;
            min-width: 140px;
            z-index: 1001;
        }

        .city-dropdown.show {
            display: block;
        }

        .city-dropdown li {
            padding: 10px 18px;
            cursor: pointer;
            font-size: 14px;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-dropdown li:hover {
            background: var(--color-bg-alt);
            color: var(--color-emphasis);
        }

        .city-dropdown li.active-city {
            color: var(--color-accent);
            font-weight: 600;
            background: #fdf9f2;
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 26px;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--color-bg-alt);
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 14px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-list li a {
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb-list li a:hover {
            color: var(--color-emphasis);
        }

        .breadcrumb-list li.separator {
            color: var(--color-text-muted);
            user-select: none;
        }

        .breadcrumb-list li.current {
            color: var(--color-text);
            font-weight: 600;
        }

        /* Hero - 资源下载站风格 */
        .hero-download {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: var(--spacing-xxl) 0;
            text-align: center;
            overflow: hidden;
        }

        .hero-download::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(26, 31, 43, 0.88) 0%, rgba(26, 31, 43, 0.75) 100%);
            z-index: 1;
        }

        .hero-download .container-custom {
            position: relative;
            z-index: 2;
        }

        .hero-download .hero-badge {
            display: inline-block;
            background: var(--color-emphasis);
            color: var(--color-white);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

        .hero-download h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.3;
            letter-spacing: 1px;
        }

        .hero-download .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--spacing-lg);
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .hero-search-wrap {
            max-width: 600px;
            margin: 0 auto var(--spacing-md);
            display: flex;
            gap: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .hero-search-wrap input {
            flex: 1;
            padding: 16px 20px;
            font-size: 16px;
            border: none;
            outline: none;
            font-family: var(--font-family);
            color: var(--color-text);
            background: var(--color-white);
            min-width: 0;
        }

        .hero-search-wrap input::placeholder {
            color: var(--color-text-muted);
        }

        .hero-search-wrap button {
            padding: 16px 28px;
            background: var(--color-emphasis);
            color: var(--color-white);
            font-size: 16px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            border-radius: 0;
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .hero-search-wrap button:hover {
            background: #C03D1A;
        }

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

        .hero-hot-tags .tag-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin-right: 4px;
            white-space: nowrap;
        }

        .hero-hot-tags a {
            display: inline-block;
            padding: 8px 16px;
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.9);
            border-radius: 20px;
            font-size: 13px;
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid rgba(255, 255, 255, 0.2);
            white-space: nowrap;
        }

        .hero-hot-tags a:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* Section通用 */
        .section {
            padding: var(--spacing-xxl) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-xs);
            text-align: center;
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            text-align: center;
            margin-bottom: var(--spacing-xl);
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        /* 数据产品卡片 */
        .data-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .data-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

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

        .data-card .card-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #fdf9f2;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-md);
            font-size: 26px;
            color: var(--color-accent);
        }

        .data-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }

        .data-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }

        .data-card .card-link {
            display: inline-block;
            padding: 10px 22px;
            background: transparent;
            color: var(--color-accent);
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .data-card .card-link:hover {
            background: var(--color-accent);
            color: var(--color-white);
        }

        .data-card.featured {
            border-color: var(--color-accent);
            border-width: 2px;
            box-shadow: var(--shadow-md);
        }

        .data-card.featured .card-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--color-emphasis);
            color: var(--color-white);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        /* 场景区块 */
        .scene-row {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

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

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

        .scene-image {
            flex: 1;
            min-width: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .scene-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        .scene-text {
            flex: 1;
            min-width: 0;
            padding: var(--spacing-lg);
        }

        .scene-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }

        .scene-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: var(--spacing-sm);
        }

        .scene-text .scene-tag {
            display: inline-block;
            padding: 5px 12px;
            background: #fdf9f2;
            color: var(--color-accent);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
        }

        /* 流程 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .step-item {
            text-align: center;
            padding: var(--spacing-lg) var(--spacing-md);
            position: relative;
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-white);
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-md);
            line-height: 1;
        }

        .step-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-xs);
        }

        .step-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* 统计数字 */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            text-align: center;
        }

        .stat-item {
            padding: var(--spacing-lg);
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
        }

        .stat-number {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-emphasis);
            margin-bottom: var(--spacing-xs);
            line-height: 1;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-text-secondary);
        }

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

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-md) 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;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            gap: var(--spacing-sm);
            user-select: none;
        }

        .faq-question i {
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: var(--spacing-sm);
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary);
            padding: var(--spacing-xxl) 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(circle at center, rgba(201, 169, 110, 0.08) 0%, transparent 60%);
            z-index: 1;
            pointer-events: none;
        }

        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: var(--spacing-sm);
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            background: var(--color-emphasis);
            color: var(--color-white);
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: #C03D1A;
            color: var(--color-white);
            transform: scale(1.02);
            text-decoration: none;
        }

        .btn-secondary {
            display: inline-block;
            padding: 14px 32px;
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: var(--color-accent);
            color: var(--color-white);
            text-decoration: none;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-col h4 {
            color: var(--color-white);
            font-size: 17px;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition-fast);
            font-size: 13px;
        }

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

        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.45);
        }

        /* 移动端 */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 0;
            }
            .main-nav li a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .data-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-row {
                flex-direction: column;
                gap: var(--spacing-md);
            }
            .scene-row.reverse {
                flex-direction: column;
            }
            .scene-image img {
                height: 240px;
            }
            .hero-download h1 {
                font-size: 32px;
            }
            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 66px;
            }
            .site-header {
                height: 66px;
            }
            .hamburger-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 66px;
                left: 0;
                right: 0;
                background: var(--color-primary);
                flex-direction: column;
                padding: var(--spacing-sm);
                gap: 2px;
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .main-nav.show {
                display: flex;
            }
            .main-nav li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }
            .main-nav li a.active::after {
                display: none;
            }
            .city-selector {
                display: none;
            }
            .city-selector-mobile {
                display: block;
            }
            .data-cards-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-download h1 {
                font-size: 26px;
            }
            .hero-download .hero-subtitle {
                font-size: 15px;
            }
            .hero-search-wrap {
                flex-direction: column;
                border-radius: var(--radius-md);
            }
            .hero-search-wrap input {
                border-radius: var(--radius-md) var(--radius-md) 0 0;
            }
            .hero-search-wrap button {
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                width: 100%;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-title {
                font-size: 22px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .scene-text {
                padding: var(--spacing-md) 0;
            }
            .stat-number {
                font-size: 32px;
            }
            .breadcrumb-list {
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .hero-download h1 {
                font-size: 22px;
            }
            .hero-hot-tags a {
                font-size: 12px;
                padding: 6px 12px;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                text-align: center;
            }
            .section-title {
                font-size: 20px;
            }
            .data-card {
                padding: var(--spacing-md);
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1A1F2B;
            --color-accent: #C9A96E;
            --color-emphasis: #F04E23;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-text: #333333;
            --color-text-secondary: #666666;
            --color-text-muted: #999999;
            --color-border: #E5E5E5;
            --color-white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 76px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        a:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 var(--spacing-md);
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 var(--spacing-lg);
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-primary);
            box-shadow: var(--shadow-md);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            font-weight: bold;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--color-white);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--color-accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .main-nav li a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .main-nav li a:hover,
        .main-nav li a.active {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .city-selector {
            position: relative;
            flex-shrink: 0;
        }

        .city-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-btn:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .city-btn i {
            font-size: 13px;
        }

        .city-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 6px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            list-style: none;
            padding: 8px 0;
            min-width: 140px;
            z-index: 1001;
        }

        .city-dropdown.show {
            display: block;
        }

        .city-dropdown li {
            padding: 10px 18px;
            cursor: pointer;
            font-size: 14px;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-dropdown li:hover {
            background: var(--color-bg-alt);
            color: var(--color-accent);
        }

        .city-dropdown li.active-city {
            color: var(--color-accent);
            font-weight: 600;
            background: #fdf8f0;
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 26px;
            cursor: pointer;
            padding: 8px;
        }

        /* Breadcrumb */
        .breadcrumb-nav {
            background: var(--color-bg-alt);
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-nav .container-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-nav .separator {
            color: var(--color-text-muted);
        }

        .breadcrumb-nav .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* Hero Section */
        .hero-section {
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            position: relative;
            padding: var(--spacing-xxl) 0;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 31, 43, 0.92) 0%, rgba(26, 31, 43, 0.78) 50%, rgba(26, 31, 43, 0.65) 100%);
            z-index: 1;
        }

        .hero-section .container-custom {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .hero-left {
            color: var(--color-white);
        }

        .hero-left .hero-badge {
            display: inline-block;
            background: var(--color-emphasis);
            color: var(--color-white);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

        .hero-left h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: var(--spacing-md);
            color: var(--color-white);
            letter-spacing: 0.5px;
        }

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

        .hero-left .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: var(--spacing-lg);
            max-width: 520px;
        }

        .hero-left .hero-cta-group {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--color-emphasis);
            color: var(--color-white);
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-normal);
            text-decoration: none;
            border: 2px solid var(--color-emphasis);
            cursor: pointer;
        }

        .btn-primary:hover {
            background: #C03D1A;
            border-color: #C03D1A;
            color: var(--color-white);
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-normal);
            text-decoration: none;
            border: 2px solid var(--color-accent);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: var(--color-white);
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .hero-right {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-right .panel-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-right .panel-title i {
            font-size: 18px;
        }

        .rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .rank-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .rank-list li:last-child {
            border-bottom: none;
        }

        .rank-list li:hover {
            color: var(--color-accent);
        }

        .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 13px;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.15);
            color: var(--color-white);
        }

        .rank-list li:nth-child(1) .rank-num {
            background: var(--color-emphasis);
            color: #fff;
        }

        .rank-list li:nth-child(2) .rank-num {
            background: var(--color-accent);
            color: var(--color-primary);
        }

        .rank-list li:nth-child(3) .rank-num {
            background: #cd7f32;
            color: #fff;
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-info .rank-title {
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-size: 14px;
        }

        .rank-info .rank-meta {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }

        .rank-views {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 600;
            white-space: nowrap;
        }

        /* Section Common */
        .section-block {
            padding: var(--spacing-xxl) 0;
        }

        .section-block.bg-alt {
            background: var(--color-bg-alt);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .section-header .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.7;
        }

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

        /* Feature Highlights */
        .feature-grid-alt {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .feature-card-alt {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            text-align: center;
        }

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

        .feature-card-alt .feature-icon-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: #fdf8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-md);
            font-size: 26px;
            color: var(--color-accent);
            transition: all var(--transition-normal);
        }

        .feature-card-alt:hover .feature-icon-circle {
            background: var(--color-accent);
            color: var(--color-white);
        }

        .feature-card-alt h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }

        .feature-card-alt p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Topic Grid */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }

        .topic-card {
            display: flex;
            gap: var(--spacing-md);
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            align-items: flex-start;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }

        .topic-card .topic-img {
            width: 140px;
            height: 110px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .topic-card .topic-content {
            flex: 1;
            min-width: 0;
        }

        .topic-card .topic-tag {
            display: inline-block;
            background: #fdf8f0;
            color: var(--color-accent);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .topic-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .topic-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* Expert Section */
        .expert-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .expert-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }

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

        .expert-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto var(--spacing-sm);
            border: 3px solid var(--color-accent);
        }

        .expert-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 2px;
        }

        .expert-card .expert-title {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 500;
            margin-bottom: 8px;
        }

        .expert-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* Scene Section */
        .scene-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            align-items: stretch;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            margin-bottom: var(--spacing-lg);
        }

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

        .scene-row.bg-white-bg {
            background: var(--color-white);
        }

        .scene-row.bg-alt-bg {
            background: var(--color-bg-alt);
        }

        .scene-img-wrap {
            position: relative;
            min-height: 320px;
        }

        .scene-img-wrap img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .scene-text {
            padding: var(--spacing-xl) var(--spacing-lg);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .scene-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
        }

        .scene-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
        }

        .process-step .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-white);
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            position: relative;
            z-index: 2;
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .process-connector {
            display: none;
        }

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

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-md) var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .faq-item .faq-question {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .faq-item .faq-question i {
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            font-size: 14px;
        }

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

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding-top var(--transition-normal);
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: var(--spacing-sm);
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            padding: var(--spacing-xxl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: var(--spacing-sm);
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            font-size: 17px;
            padding: 16px 36px;
        }

        /* Footer */
        .site-footer {
            background: #141820;
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-col h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: var(--spacing-sm);
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-section .container-custom {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .hero-right {
                max-width: 500px;
            }

            .hero-left h1 {
                font-size: 32px;
            }

            .feature-grid-alt {
                grid-template-columns: repeat(2, 1fr);
            }

            .topic-grid {
                grid-template-columns: 1fr;
            }

            .expert-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scene-row {
                grid-template-columns: 1fr;
            }

            .scene-img-wrap {
                min-height: 240px;
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .main-nav {
                gap: 2px;
            }

            .main-nav li a {
                padding: 10px 10px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 64px;
            }

            .site-header {
                height: 64px;
            }

            .logo-text {
                font-size: 18px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .hamburger-toggle {
                display: block;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-primary);
                flex-direction: column;
                padding: var(--spacing-sm);
                gap: 2px;
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }

            .main-nav.show {
                display: flex;
            }

            .main-nav li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
            }

            .city-btn {
                font-size: 12px;
                padding: 8px 10px;
            }

            .city-btn span {
                display: none;
            }

            .hero-section {
                padding: var(--spacing-xl) 0;
                min-height: auto;
            }

            .hero-left h1 {
                font-size: 26px;
            }

            .hero-left .hero-desc {
                font-size: 15px;
            }

            .hero-right {
                padding: var(--spacing-md);
            }

            .feature-grid-alt {
                grid-template-columns: 1fr;
            }

            .expert-grid {
                grid-template-columns: 1fr 1fr;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .section-header h2 {
                font-size: 24px;
            }

            .section-block {
                padding: var(--spacing-xl) 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .footer-bottom-links {
                justify-content: center;
            }

            .topic-card {
                flex-direction: column;
            }

            .topic-card .topic-img {
                width: 100%;
                height: 180px;
            }

            .btn-primary,
            .btn-outline {
                padding: 12px 20px;
                font-size: 14px;
            }

            .cta-section h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-left h1 {
                font-size: 22px;
            }

            .hero-left .hero-desc {
                font-size: 14px;
            }

            .hero-cta-group {
                flex-direction: column;
            }

            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .expert-grid {
                grid-template-columns: 1fr;
            }

            .rank-list li {
                font-size: 12px;
            }

            .section-header h2 {
                font-size: 21px;
            }

            .faq-item {
                padding: var(--spacing-sm) var(--spacing-md);
            }

            .faq-item .faq-question {
                font-size: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1A1F2B;
            --color-accent: #C9A96E;
            --color-emphasis: #F04E23;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-text: #333333;
            --color-text-secondary: #666666;
            --color-text-muted: #999999;
            --color-border: #E5E5E5;
            --color-white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 76px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        a:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 var(--spacing-md);
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 var(--spacing-lg);
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-primary);
            box-shadow: var(--shadow-md);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            font-weight: bold;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--color-white);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--color-accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .main-nav li a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .main-nav li a:hover,
        .main-nav li a.active {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .city-selector {
            position: relative;
            flex-shrink: 0;
        }

        .city-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-btn:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .city-btn i {
            font-size: 13px;
        }

        .city-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 6px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            list-style: none;
            padding: 8px 0;
            min-width: 140px;
            z-index: 1001;
        }

        .city-dropdown.show {
            display: block;
        }

        .city-dropdown li {
            padding: 10px 18px;
            cursor: pointer;
            color: var(--color-text);
            font-size: 14px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-dropdown li:hover {
            background: var(--color-bg-alt);
            color: var(--color-accent);
        }

        .city-dropdown li.active-city {
            color: var(--color-accent);
            font-weight: 600;
            background: #fdf8f0;
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 26px;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: var(--color-primary);
                flex-direction: column;
                padding: var(--spacing-sm);
                gap: 2px;
                box-shadow: var(--shadow-md);
                z-index: 999;
            }

            .main-nav.show {
                display: flex;
            }

            .main-nav li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
            }

            .main-nav li a.active::after {
                bottom: 2px;
                left: 16px;
                right: 16px;
            }

            .hamburger-toggle {
                display: block;
            }

            .city-selector {
                margin-left: auto;
                margin-right: 8px;
            }
        }

        @media (max-width: 640px) {
            .logo-text {
                font-size: 18px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .city-btn span {
                display: none;
            }

            .city-btn {
                padding: 8px 10px;
                gap: 4px;
            }

            .site-header {
                height: 64px;
            }

            body {
                padding-top: 64px;
            }

            .main-nav {
                top: 64px;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--color-bg-alt);
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        .breadcrumb-list li {
            display: flex;
            align-items: center;
        }

        .breadcrumb-list li a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb-list li a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-list li.separator {
            margin: 0 6px;
            color: var(--color-text-muted);
        }

        .breadcrumb-list li.current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(26, 31, 43, 0.88) 0%, rgba(26, 31, 43, 0.55) 60%, rgba(26, 31, 43, 0.35) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: var(--spacing-xl) 0;
            width: 100%;
        }

        .hero-content h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.3;
            letter-spacing: 1px;
        }

        .hero-content .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 var(--spacing-md) 0;
            line-height: 1.7;
            max-width: 600px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: var(--spacing-md);
        }

        .hero-tag {
            display: inline-block;
            padding: 8px 18px;
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 30px;
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .hero-tag:hover,
        .hero-tag.active-tag {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            font-weight: 600;
        }

        .hero-cta-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--color-emphasis);
            color: var(--color-white);
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: #C03D1A;
            color: var(--color-white);
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: var(--color-white);
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        @media (max-width: 640px) {
            .hero-section {
                min-height: 340px;
            }

            .hero-content h1 {
                font-size: 28px;
            }

            .hero-content .hero-subtitle {
                font-size: 15px;
            }

            .hero-tag {
                padding: 6px 14px;
                font-size: 12px;
            }

            .btn-primary,
            .btn-outline {
                padding: 12px 20px;
                font-size: 14px;
            }
        }

        /* Section Common */
        .section-pad {
            padding: var(--spacing-xxl) 0;
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: var(--spacing-xl) 0;
            }
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.3;
            position: relative;
            padding-bottom: 16px;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .section-title.text-center::after {
            left: 50%;
            transform: translateX(-50%);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin: 0 0 var(--spacing-lg) 0;
            line-height: 1.7;
            max-width: 700px;
        }

        .text-center {
            text-align: center;
        }

        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* Community Features */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

        @media (max-width: 640px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            text-align: center;
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            background: #fdf8f0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            font-size: 24px;
            color: var(--color-accent);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 var(--spacing-xs) 0;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* Hot Topics */
        .bg-alt {
            background: var(--color-bg-alt);
        }

        .topics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

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

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

        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .topic-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }

        .topic-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: #fdf8f0;
            color: var(--color-accent);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: var(--spacing-xs);
            align-self: flex-start;
        }

        .topic-card h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 var(--spacing-xs) 0;
            line-height: 1.4;
        }

        .topic-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.6;
            flex: 1;
        }

        .topic-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .topic-card-meta i {
            margin-right: 4px;
        }

        .btn-sm {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-fast);
            align-self: flex-start;
            margin-top: var(--spacing-xs);
        }

        .btn-sm:hover {
            background: #b8963d;
            color: var(--color-white);
            box-shadow: var(--shadow-sm);
        }

        /* Stats */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
        }

        .stat-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }

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

        .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        /* Process */
        .process-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            position: relative;
        }

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

        @media (max-width: 640px) {
            .process-list {
                grid-template-columns: 1fr;
            }
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: var(--spacing-md);
        }

        .process-num {
            width: 48px;
            height: 48px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            margin: 0 auto var(--spacing-sm);
            position: relative;
            z-index: 2;
        }

        .process-step h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 6px 0;
        }

        .process-step p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

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

        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--color-white);
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition-fast);
        }

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

        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--color-accent);
            font-size: 14px;
        }

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

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-normal);
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            padding: 0 24px 18px;
            max-height: 300px;
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary);
            padding: var(--spacing-xxl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: rgba(201, 169, 110, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(240, 78, 35, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 var(--spacing-sm) 0;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 var(--spacing-md) 0;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 17px;
            padding: 16px 36px;
        }

        @media (max-width: 640px) {
            .cta-section h2 {
                font-size: 24px;
            }

            .cta-section p {
                font-size: 14px;
            }
        }

        /* Footer */
        .site-footer {
            background: #151a24;
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        .footer-col h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-white);
            margin: 0 0 var(--spacing-sm) 0;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        .footer-bottom {
            padding: var(--spacing-md) 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom-links {
                justify-content: center;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1A1F2B;
            --color-accent: #C9A96E;
            --color-emphasis: #F04E23;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-bg-dark: #1A1F2B;
            --color-text: #333333;
            --color-text-secondary: #666666;
            --color-text-muted: #999999;
            --color-border: #E5E5E5;
            --color-white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.18);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 76px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        a:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        @media(min-width:768px) {
            .container-custom {
                padding: 0 var(--spacing-md);
            }
        }

        @media(min-width:1024px) {
            .container-custom {
                padding: 0 var(--spacing-lg);
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-primary);
            box-shadow: var(--shadow-md);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-sm);
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            font-weight: bold;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--color-white);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--color-accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .main-nav li a {
            display: block;
            padding: 10px 14px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .main-nav li a:hover,
        .main-nav li a.active {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .city-selector {
            position: relative;
            flex-shrink: 0;
        }

        .city-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-btn:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .city-btn i {
            font-size: 13px;
        }

        .city-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 6px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            list-style: none;
            padding: 8px 0;
            min-width: 140px;
            z-index: 1001;
        }

        .city-dropdown.show {
            display: block;
        }

        .city-dropdown li {
            padding: 10px 18px;
            cursor: pointer;
            font-size: 14px;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-dropdown li:hover {
            background: var(--color-bg-alt);
            color: var(--color-emphasis);
        }

        .city-dropdown li.active-city {
            color: var(--color-accent);
            font-weight: 600;
            background: #fdfaf5;
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 26px;
            cursor: pointer;
            padding: 8px;
            line-height: 1;
        }

        @media(max-width:1024px) {
            .hamburger-toggle {
                display: block;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: var(--color-primary);
                flex-direction: column;
                padding: var(--spacing-sm);
                gap: 2px;
                box-shadow: var(--shadow-md);
                z-index: 999;
            }

            .main-nav.show {
                display: flex;
            }

            .main-nav li {
                width: 100%;
            }

            .main-nav li a {
                padding: 14px 18px;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }

            .main-nav li a.active::after {
                display: none;
            }

            .main-nav li a.active {
                border-left: 3px solid var(--color-accent);
                background: rgba(255, 255, 255, 0.08);
            }

            .city-selector {
                margin-left: auto;
            }

            .city-btn span {
                display: none;
            }

            .city-btn {
                padding: 10px 12px;
                gap: 4px;
            }
        }

        @media(max-width:640px) {
            .site-header {
                height: 64px;
            }

            body {
                padding-top: 64px;
            }

            .main-nav {
                top: 64px;
            }

            .logo-text {
                font-size: 18px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
        }

        /* Breadcrumb */
        .breadcrumb-nav {
            background: var(--color-bg-alt);
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-nav .container-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--color-text-secondary);
            text-decoration: none;
        }

        .breadcrumb-nav a:hover {
            color: var(--color-emphasis);
        }

        .breadcrumb-nav .separator {
            color: var(--color-text-muted);
            font-size: 12px;
        }

        .breadcrumb-nav .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* Hero */
        .hero-wiki {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: var(--spacing-xxl) 0;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-wiki::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 31, 43, 0.88) 0%, rgba(26, 31, 43, 0.65) 50%, rgba(26, 31, 43, 0.45) 100%);
            z-index: 1;
        }

        .hero-wiki .container-custom {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        @media(min-width:768px) {
            .hero-wiki .container-custom {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xxl);
            }
        }

        .hero-wiki-content h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 var(--spacing-md);
            line-height: 1.3;
            letter-spacing: 0.5px;
        }

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

        .hero-wiki-content .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin: 0 0 var(--spacing-lg);
            max-width: 520px;
        }

        .hero-wiki-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--color-emphasis);
            color: var(--color-white);
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #C03D1A;
            color: var(--color-white);
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            text-decoration: none;
            border: 2px solid var(--color-accent);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: var(--color-accent);
            color: var(--color-white);
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .hero-wiki-panel {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-xl);
            backdrop-filter: blur(10px);
        }

        .hero-wiki-panel h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-md);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-wiki-panel h3 i {
            color: var(--color-accent);
        }

        .wiki-hot-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .wiki-hot-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .wiki-hot-list li:last-child {
            border-bottom: none;
        }

        .wiki-hot-list li:hover {
            color: var(--color-emphasis);
        }

        .wiki-hot-list .hot-rank {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .wiki-hot-list li:nth-child(1) .hot-rank {
            background: #E8B84B;
        }

        .wiki-hot-list li:nth-child(2) .hot-rank {
            background: #C0C0C0;
        }

        .wiki-hot-list li:nth-child(3) .hot-rank {
            background: #CD7F32;
        }

        @media(max-width:640px) {
            .hero-wiki {
                min-height: auto;
                padding: var(--spacing-xl) 0;
            }

            .hero-wiki-content h1 {
                font-size: 28px;
            }

            .hero-wiki-content .hero-subtitle {
                font-size: 15px;
            }

            .hero-wiki-panel {
                padding: var(--spacing-md);
            }

            .btn-primary,
            .btn-secondary {
                padding: 12px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }

            .hero-wiki-actions {
                flex-direction: column;
            }
        }

        /* Section Common */
        .section {
            padding: var(--spacing-xxl) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-white);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-sm);
            text-align: center;
            line-height: 1.3;
        }

        .section-dark .section-title {
            color: var(--color-white);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            text-align: center;
            margin: 0 auto var(--spacing-xl);
            max-width: 680px;
            line-height: 1.7;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        @media(max-width:640px) {
            .section {
                padding: var(--spacing-xl) 0;
            }

            .section-title {
                font-size: 24px;
            }

            .section-subtitle {
                font-size: 14px;
                margin-bottom: var(--spacing-lg);
            }
        }

        /* Wiki Category Grid */
        .wiki-category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

        @media(max-width:640px) {
            .wiki-category-grid {
                grid-template-columns: 1fr;
            }
        }

        .wiki-category-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            cursor: pointer;
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

        .wiki-category-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            flex-shrink: 0;
        }

        .wiki-category-card .card-icon.icon-rules {
            background: #FFF3E0;
            color: #F04E23;
        }

        .wiki-category-card .card-icon.icon-history {
            background: #FFF8E1;
            color: #C9A96E;
        }

        .wiki-category-card .card-icon.icon-terms {
            background: #E8F5E9;
            color: #388E3C;
        }

        .wiki-category-card .card-icon.icon-stars {
            background: #E3F2FD;
            color: #1976D2;
        }

        .wiki-category-card .card-icon.icon-tactics {
            background: #F3E5F5;
            color: #7B1FA2;
        }

        .wiki-category-card .card-icon.icon-events {
            background: #FFEBEE;
            color: #C62828;
        }

        .wiki-category-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
        }

        .wiki-category-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
            flex-grow: 1;
        }

        .wiki-category-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .wiki-category-card .card-link:hover {
            color: var(--color-emphasis);
            gap: 8px;
        }

        /* Scenario */
        .scenario-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            align-items: stretch;
            margin-bottom: var(--spacing-lg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

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

        .scenario-row.reverse .scenario-img-wrap {
            order: 2;
        }

        .scenario-row.reverse .scenario-text {
            order: 1;
        }

        .scenario-img-wrap {
            min-height: 320px;
            position: relative;
            overflow: hidden;
        }

        .scenario-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }

        .scenario-text {
            padding: var(--spacing-xl);
            display: flex;
            flex-direction: column;
            justify-content: center;
            background: var(--color-white);
        }

        .scenario-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-sm);
        }

        .scenario-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0 0 var(--spacing-md);
        }

        .scenario-text .scenario-tag {
            display: inline-block;
            padding: 6px 14px;
            background: #FFF8E1;
            color: #B8860B;
            font-size: 13px;
            font-weight: 600;
            border-radius: 20px;
            align-self: flex-start;
        }

        @media(max-width:768px) {
            .scenario-row {
                grid-template-columns: 1fr;
            }

            .scenario-row.reverse .scenario-img-wrap {
                order: -1;
            }

            .scenario-row.reverse .scenario-text {
                order: 1;
            }

            .scenario-img-wrap {
                min-height: 220px;
            }

            .scenario-text {
                padding: var(--spacing-md);
            }

            .scenario-text h3 {
                font-size: 19px;
            }
        }

        /* Stats */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        @media(max-width:768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media(max-width:480px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
        }

        .stat-card {
            text-align: center;
            padding: var(--spacing-lg);
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-normal);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }

        .stat-card .stat-number {
            font-size: 42px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin: 0 0 var(--spacing-xs);
        }

        .stat-card .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
        }

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

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

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #d5d5d5;
        }

        .faq-question {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #fafafa;
        }

        .faq-question i {
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            font-size: 14px;
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-normal);
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            padding: 0 24px 18px;
            max-height: 500px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1A1F2B 0%, #2a3040 100%);
            padding: var(--spacing-xxl) 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(circle at center, rgba(201, 169, 110, 0.08) 0%, transparent 60%);
            z-index: 1;
            pointer-events: none;
        }

        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 var(--spacing-sm);
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 auto var(--spacing-lg);
            max-width: 600px;
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            font-size: 17px;
            padding: 16px 36px;
        }

        @media(max-width:640px) {
            .cta-section h2 {
                font-size: 24px;
            }

            .cta-section p {
                font-size: 14px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-md) 0;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.45);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.35);
        }

        @media(max-width:768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom-links {
                justify-content: center;
            }
        }

        @media(max-width:480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1A1F2B;
            --color-accent: #C9A96E;
            --color-emphasis: #F04E23;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-bg-dark: #1A1F2B;
            --color-text: #333333;
            --color-text-secondary: #666666;
            --color-text-muted: #999999;
            --color-border: #E5E5E5;
            --color-white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 76px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        a:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 var(--spacing-md);
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 var(--spacing-lg);
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-primary);
            box-shadow: var(--shadow-md);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            font-weight: bold;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--color-white);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--color-accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .main-nav li a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .main-nav li a:hover,
        .main-nav li a.active {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .city-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-btn:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .city-btn i {
            font-size: 13px;
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 26px;
            cursor: pointer;
            padding: 8px;
        }

        .city-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            list-style: none;
            margin: 4px 0 0 0;
            padding: 8px 0;
            min-width: 140px;
            display: none;
            z-index: 1001;
        }

        .city-dropdown.show {
            display: block;
        }

        .city-dropdown li {
            padding: 10px 20px;
            cursor: pointer;
            color: var(--color-text);
            font-size: 14px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-dropdown li:hover {
            background: var(--color-bg-alt);
            color: var(--color-emphasis);
        }

        .city-dropdown li.active-city {
            color: var(--color-accent);
            font-weight: 600;
            background: #fdfaf5;
        }

        .city-selector {
            position: relative;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav li a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .logo-text {
                font-size: 18px;
            }
            .city-btn {
                padding: 8px 10px;
                font-size: 12px;
            }
        }

        @media (max-width: 768px) {
            .hamburger-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: var(--color-primary);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .main-nav.show {
                display: flex;
            }
            .main-nav li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }
            .city-btn {
                font-size: 12px;
                padding: 8px 10px;
            }
            .city-selector {
                position: static;
            }
            .city-dropdown {
                right: auto;
                left: 50%;
                transform: translateX(-50%);
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 16px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .site-header {
                height: 64px;
            }
            body {
                padding-top: 64px;
            }
            .main-nav {
                top: 64px;
            }
            .city-btn span {
                display: none;
            }
            .city-btn {
                padding: 8px;
            }
        }

        /* Hero Section */
        .hero-category {
            background: linear-gradient(135deg, rgba(26, 31, 43, 0.88) 0%, rgba(26, 31, 43, 0.72) 50%, rgba(26, 31, 43, 0.55) 100%), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: var(--spacing-xxl) 0;
            position: relative;
        }

        .hero-category .container-custom {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .hero-category .hero-text {
            flex: 1 1 500px;
            color: var(--color-white);
        }

        .hero-category .hero-text h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: var(--spacing-md);
            color: var(--color-white);
        }

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

        .hero-category .hero-text .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
        }

        .hero-category .hero-sellpoints {
            list-style: none;
            margin: 0 0 var(--spacing-lg) 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .hero-category .hero-sellpoints li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
            background: rgba(255, 255, 255, 0.08);
            padding: 8px 16px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            white-space: nowrap;
        }

        .hero-category .hero-sellpoints li i {
            color: var(--color-accent);
            font-size: 14px;
        }

        .hero-cta-group {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            background: var(--color-emphasis);
            color: var(--color-white);
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: all var(--transition-normal);
            border: 2px solid var(--color-emphasis);
            cursor: pointer;
            text-align: center;
        }

        .btn-primary:hover {
            background: #C03D1A;
            border-color: #C03D1A;
            color: var(--color-white);
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .btn-secondary {
            display: inline-block;
            padding: 14px 32px;
            background: transparent;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: all var(--transition-normal);
            border: 2px solid var(--color-accent);
            cursor: pointer;
            text-align: center;
        }

        .btn-secondary:hover {
            background: var(--color-accent);
            color: var(--color-white);
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .hero-trust-strip {
            margin-top: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-trust-strip span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .hero-trust-strip i {
            color: var(--color-accent);
        }

        .hero-category .hero-visual {
            flex: 0 0 380px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-category .hero-visual .hero-stat-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-lg);
            text-align: center;
            width: 100%;
            max-width: 360px;
        }

        .hero-stat-card .stat-big {
            font-size: 48px;
            font-weight: 700;
            color: var(--color-emphasis);
            line-height: 1;
            margin-bottom: 4px;
        }

        .hero-stat-card .stat-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: var(--spacing-md);
        }

        .hero-stat-card .stat-mini-row {
            display: flex;
            justify-content: space-around;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--color-border);
        }

        .hero-stat-card .stat-mini {
            text-align: center;
        }

        .hero-stat-card .stat-mini .num {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
        }

        .hero-stat-card .stat-mini .lbl {
            font-size: 11px;
            color: var(--color-text-muted);
        }

        @media (max-width: 768px) {
            .hero-category {
                min-height: auto;
                padding: var(--spacing-xl) 0;
            }
            .hero-category .hero-text h1 {
                font-size: 28px;
            }
            .hero-category .hero-text .hero-subtitle {
                font-size: 15px;
            }
            .hero-category .hero-visual {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .hero-category .hero-visual .hero-stat-card {
                max-width: 100%;
            }
            .hero-stat-card .stat-big {
                font-size: 36px;
            }
            .hero-category .hero-sellpoints li {
                font-size: 13px;
                padding: 6px 12px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

        /* Section Common */
        .section-block {
            padding: var(--spacing-xxl) 0;
        }

        .section-block.bg-alt {
            background-color: var(--color-bg-alt);
        }

        .section-block.bg-dark {
            background-color: var(--color-bg-dark);
            color: var(--color-white);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
            text-align: center;
        }

        .bg-dark .section-title {
            color: var(--color-white);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            text-align: center;
            margin-bottom: var(--spacing-xl);
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .bg-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* Game Cards */
        .game-cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: var(--spacing-md);
        }

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

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

        .game-card .card-img {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

        .game-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .game-card .card-img .game-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-emphasis);
            color: var(--color-white);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
            font-weight: 600;
            z-index: 2;
        }

        .game-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .game-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .game-card .card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
            flex: 1;
        }

        .game-card .card-body .card-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .game-card .card-body .card-meta i {
            color: var(--color-accent);
        }

        /* Feature Rows */
        .feature-row {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-xl);
        }

        .feature-row.reverse {
            flex-direction: row-reverse;
        }

        .feature-row .feature-img {
            flex: 1 1 400px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .feature-row .feature-img img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            object-fit: cover;
        }

        .feature-row .feature-text {
            flex: 1 1 350px;
        }

        .feature-row .feature-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
        }

        .feature-row .feature-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: var(--spacing-sm);
        }

        .feature-row .feature-text .feature-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .feature-row .feature-text .feature-list li {
            padding: 8px 0;
            font-size: 15px;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            border-bottom: 1px solid var(--color-border);
        }

        .feature-row .feature-text .feature-list li:last-child {
            border-bottom: none;
        }

        .feature-row .feature-text .feature-list li i {
            color: var(--color-accent);
            margin-top: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .feature-row,
            .feature-row.reverse {
                flex-direction: column;
            }
            .feature-row .feature-text h3 {
                font-size: 20px;
            }
            .game-cards-grid {
                grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            }
            .section-title {
                font-size: 22px;
            }
        }

        /* Stats Bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            text-align: center;
        }

        .stats-bar .stat-item {
            padding: var(--spacing-lg) var(--spacing-md);
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }

        .stats-bar .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stats-bar .stat-item .stat-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-emphasis);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stats-bar .stat-item .stat-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .stats-bar .stat-item .stat-num {
                font-size: 28px;
            }
        }

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

        /* Content List */
        .content-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: var(--spacing-md);
        }

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

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

        .content-card .card-top-img {
            height: 180px;
            overflow: hidden;
        }

        .content-card .card-top-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .content-card .card-content {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-content .date-tag {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-white);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
            margin-bottom: var(--spacing-xs);
            font-weight: 500;
            align-self: flex-start;
        }

        .content-card .card-content h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .content-card .card-content .card-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: var(--spacing-sm);
        }

        .content-card .card-content .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .content-card .card-content .read-more:hover {
            color: var(--color-emphasis);
            gap: 10px;
        }

        @media (max-width: 768px) {
            .content-list {
                grid-template-columns: 1fr;
            }
        }

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

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

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

        .faq-item .faq-question {
            padding: var(--spacing-md);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--color-white);
            transition: all var(--transition-fast);
            gap: var(--spacing-sm);
        }

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

        .faq-item .faq-question i {
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-emphasis);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #2a3040 100%);
            padding: var(--spacing-xxl) 0;
            text-align: center;
            color: var(--color-white);
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--color-white);
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .cta-btn-group {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: var(--spacing-sm);
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            font-size: 13px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.45);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-block {
                padding: var(--spacing-xl) 0;
            }
            .cta-section {
                padding: var(--spacing-xl) 0;
            }
            .cta-section h2 {
                font-size: 22px;
            }
        }

        /* Breadcrumb */
        .breadcrumb-nav {
            padding: var(--spacing-sm) 0;
            font-size: 14px;
            color: var(--color-text-muted);
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-nav a {
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb-nav a:hover {
            color: var(--color-emphasis);
        }

        .breadcrumb-nav span {
            color: var(--color-text);
            font-weight: 500;
        }

        .breadcrumb-nav .sep {
            margin: 0 8px;
            color: var(--color-text-muted);
        }

        /* Pagination simulation */
        .pagination-sim {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .pagination-sim .page-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-white);
            border: 1px solid var(--color-border);
            font-size: 14px;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .pagination-sim .page-num:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .pagination-sim .page-num.active {
            background: var(--color-accent);
            color: var(--color-white);
            border-color: var(--color-accent);
            font-weight: 600;
        }

        .pagination-sim .page-num.disabled {
            opacity: 0.4;
            cursor: default;
            pointer-events: none;
        }

        /* Highlight box */
        .highlight-box {
            background: linear-gradient(135deg, #fdfaf5 0%, #fff9ef 100%);
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            margin: var(--spacing-lg) 0;
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .highlight-box .hl-icon {
            width: 56px;
            height: 56px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--color-white);
            flex-shrink: 0;
        }

        .highlight-box .hl-text {
            flex: 1;
            min-width: 200px;
        }

        .highlight-box .hl-text strong {
            font-size: 18px;
            color: var(--color-primary);
            display: block;
            margin-bottom: 4px;
        }

        .highlight-box .hl-text p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
        }

/* roulang page: category7 */
:root {
            --color-primary: #1A1F2B;
            --color-accent: #C9A96E;
            --color-emphasis: #F04E23;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-text: #333333;
            --color-text-secondary: #666666;
            --color-text-muted: #999999;
            --color-border: #E5E5E5;
            --color-white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 76px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        a:hover {
            color: var(--color-emphasis);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 var(--spacing-md);
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 var(--spacing-lg);
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-primary);
            box-shadow: var(--shadow-md);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            font-weight: bold;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--color-white);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--color-accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .main-nav li a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .main-nav li a:hover,
        .main-nav li a.active {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .city-selector {
            position: relative;
            flex-shrink: 0;
        }

        .city-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-btn:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .city-btn i {
            font-size: 13px;
        }

        .city-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 6px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            list-style: none;
            padding: 8px 0;
            min-width: 140px;
            z-index: 1001;
        }

        .city-dropdown.show {
            display: block;
        }

        .city-dropdown li {
            padding: 10px 20px;
            cursor: pointer;
            font-size: 14px;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .city-dropdown li:hover {
            background: var(--color-bg-alt);
            color: var(--color-emphasis);
        }

        .city-dropdown li.active-city {
            color: var(--color-accent);
            font-weight: 600;
            background: #fdfaf5;
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 26px;
            cursor: pointer;
            padding: 8px;
        }

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

            .main-nav {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: var(--color-primary);
                flex-direction: column;
                padding: var(--spacing-sm);
                gap: 2px;
                box-shadow: var(--shadow-md);
                z-index: 999;
            }

            .main-nav.show {
                display: flex;
            }

            .main-nav li a {
                width: 100%;
                padding: 14px 20px;
                font-size: 16px;
            }

            .city-selector {
                margin-left: auto;
                margin-right: 8px;
            }
        }

        @media (max-width: 640px) {
            .site-header {
                height: 64px;
            }

            body {
                padding-top: 64px;
            }

            .main-nav {
                top: 64px;
            }

            .logo-text {
                font-size: 18px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .city-btn {
                padding: 8px 10px;
                font-size: 12px;
            }
        }

        /* Hero Section */
        .page-hero {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 31, 43, 0.88) 0%, rgba(26, 31, 43, 0.65) 50%, rgba(26, 31, 43, 0.4) 100%);
            z-index: 1;
        }

        .page-hero .container-custom {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-content {
            max-width: 680px;
            padding: var(--spacing-xl) 0;
        }

        .hero-badge {
            display: inline-block;
            background: var(--color-emphasis);
            color: var(--color-white);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

        .hero-content h1 {
            font-size: 42px;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.25;
            margin: 0 0 var(--spacing-md) 0;
            letter-spacing: 1px;
        }

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

        .hero-content .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            max-width: 560px;
        }

        .hero-buttons {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            background: var(--color-emphasis);
            color: var(--color-white);
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: all var(--transition-normal);
            letter-spacing: 0.5px;
            cursor: pointer;
            border: none;
            text-align: center;
        }

        .btn-primary:hover {
            background: #C03D1A;
            color: var(--color-white);
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
            text-decoration: none;
        }

        .btn-outline {
            display: inline-block;
            padding: 14px 32px;
            background: transparent;
            color: var(--color-white);
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: all var(--transition-normal);
            letter-spacing: 0.5px;
            cursor: pointer;
            border: 2px solid rgba(255, 255, 255, 0.5);
            text-align: center;
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.05);
            text-decoration: none;
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 420px;
            }

            .hero-content h1 {
                font-size: 30px;
            }

            .hero-content .hero-subtitle {
                font-size: 16px;
            }

            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 14px;
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                min-height: 380px;
            }

            .hero-content h1 {
                font-size: 26px;
            }

            .hero-content .hero-subtitle {
                font-size: 15px;
            }
        }

        /* Section Common */
        .section {
            padding: var(--spacing-xxl) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-sm) 0;
            letter-spacing: 0.5px;
        }

        .section-header .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

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

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

            .section-header h2 {
                font-size: 24px;
            }
        }

        /* Activity Types Grid */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .activity-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border);
        }

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

        .activity-card-img {
            height: 200px;
            overflow: hidden;
        }

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

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

        .activity-card-body {
            padding: var(--spacing-md);
        }

        .activity-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-xs) 0;
        }

        .activity-card-body p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 var(--spacing-sm) 0;
        }

        .activity-tag {
            display: inline-block;
            padding: 4px 12px;
            background: #fdfaf5;
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            border: 1px solid rgba(201, 169, 110, 0.3);
        }

        @media (max-width: 1023px) {
            .activity-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .activity-grid {
                grid-template-columns: 1fr;
            }

            .activity-card-img {
                height: 180px;
            }
        }

        /* Highlights Section */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .highlight-item {
            text-align: center;
            padding: var(--spacing-lg) var(--spacing-md);
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
        }

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

        .highlight-icon {
            width: 64px;
            height: 64px;
            background: #fdfaf5;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-md);
            font-size: 26px;
            color: var(--color-accent);
        }

        .highlight-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-xs) 0;
        }

        .highlight-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 1023px) {
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .highlights-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
        }

        /* Scene Showcase */
        .scene-block {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .scene-block:nth-child(even) {
            flex-direction: row-reverse;
        }

        .scene-block:last-child {
            margin-bottom: 0;
        }

        .scene-image {
            flex: 0 0 50%;
            min-height: 360px;
            overflow: hidden;
        }

        .scene-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .scene-text {
            flex: 1;
            padding: var(--spacing-lg);
        }

        .scene-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-sm) 0;
        }

        .scene-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0 0 var(--spacing-sm) 0;
        }

        .scene-stat {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .scene-stat-item {
            text-align: center;
        }

        .scene-stat-item .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-emphasis);
            display: block;
        }

        .scene-stat-item .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        @media (max-width: 768px) {
            .scene-block,
            .scene-block:nth-child(even) {
                flex-direction: column;
            }

            .scene-image {
                flex: 0 0 auto;
                min-height: 240px;
                width: 100%;
            }

            .scene-text {
                padding: var(--spacing-md);
            }

            .scene-text h3 {
                font-size: 20px;
            }
        }

        /* Process Steps */
        .steps-container {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            max-width: 240px;
            text-align: center;
            position: relative;
            padding: var(--spacing-lg) var(--spacing-md);
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .step-number {
            width: 48px;
            height: 48px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            margin: 0 auto var(--spacing-sm);
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-xs) 0;
        }

        .step-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .step-arrow {
            display: flex;
            align-items: center;
            color: var(--color-accent);
            font-size: 20px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .steps-container {
                flex-direction: column;
                align-items: center;
            }

            .step-item {
                max-width: 100%;
                width: 100%;
            }

            .step-arrow {
                transform: rotate(90deg);
            }
        }

        /* Stats Bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .stat-card {
            text-align: center;
            padding: var(--spacing-lg);
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

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

        .stat-card .stat-icon {
            font-size: 32px;
            color: var(--color-accent);
            margin-bottom: var(--spacing-sm);
        }

        .stat-card .stat-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-emphasis);
            display: block;
            line-height: 1.2;
        }

        .stat-card .stat-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: var(--spacing-xs);
        }

        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-card .stat-value {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }

            .stat-card {
                padding: var(--spacing-md);
            }

            .stat-card .stat-value {
                font-size: 24px;
            }
        }

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

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

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

        .faq-question {
            padding: var(--spacing-md);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: all var(--transition-fast);
        }

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

        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--color-accent);
            font-size: 14px;
        }

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

        .faq-answer {
            padding: 0 var(--spacing-md);
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: var(--spacing-md);
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            padding: var(--spacing-xxl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
        }

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

        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 var(--spacing-sm) 0;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            font-size: 18px;
            padding: 16px 40px;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 24px;
            }

            .cta-section p {
                font-size: 15px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            color: var(--color-white);
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 var(--spacing-sm) 0;
            letter-spacing: 0.5px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            padding: var(--spacing-md) 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            gap: var(--spacing-sm);
        }

        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            font-size: 13px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom-links {
                justify-content: center;
            }
        }

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