/* roulang page: index */
:root {
            --primary-color: #E8432E;
            --primary-dark: #C9381F;
            --secondary-color: #A72145;
            --bg-page: #FAFAFA;
            --bg-card: #FFFFFF;
            --bg-dark: #1A1A1A;
            --text-primary: #2C2C2C;
            --text-secondary: #6B6B6B;
            --text-light: #FFFFFF;
            --success-color: #16A34A;
            --border-color: #E5E5E5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
        }
        
        * {
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: var(--bg-page);
            margin: 0;
            padding: 0;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.2s;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, .button {
            cursor: pointer;
            border: none;
            outline: none;
        }
        
        .top-nav {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 60px;
        }
        
        .top-nav .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            padding: 0 24px;
            margin: 0 auto;
        }
        
        .nav-left {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-color);
        }
        
        .nav-logo i {
            font-size: 24px;
        }
        
        .nav-center {
            display: flex;
            gap: 32px;
        }
        
        .nav-center a {
            font-size: 15px;
            color: var(--text-primary);
            position: relative;
        }
        
        .nav-center a:hover, .nav-center a.active {
            color: var(--primary-color);
        }
        
        .nav-center a.active::after {
            content: '';
            position: absolute;
            bottom: -20px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary-color);
        }
        
        .nav-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
        }
        
        .nav-search input {
            border: none;
            background: none;
            outline: none;
            width: 180px;
            font-size: 14px;
        }
        
        .nav-search i {
            color: var(--text-secondary);
            font-size: 14px;
        }
        
        .nav-login {
            color: var(--text-primary);
            font-size: 15px;
        }
        
        .nav-login:hover {
            color: var(--primary-color);
        }
        
        .nav-cta {
            background: var(--primary-color);
            color: var(--text-light);
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 15px;
        }
        
        .nav-cta:hover {
            background: var(--primary-dark);
        }
        
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-primary);
            cursor: pointer;
        }
        
        .hero-section {
            background: linear-gradient(135deg, #FFFFFF 0%, #FEF3F2 100%);
            padding: 80px 0;
            overflow: hidden;
        }
        
        .hero-content {
            display: flex;
            align-items: center;
            gap: 60px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        .hero-left {
            flex: 5;
        }
        
        .hero-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin: 0 0 16px 0;
        }
        
        .hero-subtitle {
            font-size: 20px;
            color: var(--text-secondary);
            margin: 0 0 32px 0;
            line-height: 1.5;
        }
        
        .hero-buttons {
            display: flex;
            gap: 16px;
            margin-bottom: 40px;
        }
        
        .button-primary {
            background: var(--primary-color);
            color: var(--text-light);
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 600;
            display: inline-block;
            transition: all 0.2s;
        }
        
        .button-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        
        .button-secondary {
            background: transparent;
            color: var(--primary-color);
            padding: 12px 30px;
            border: 2px solid var(--primary-color);
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 600;
            display: inline-block;
            transition: all 0.2s;
        }
        
        .button-secondary:hover {
            background: rgba(232, 67, 46, 0.1);
        }
        
        .hero-stats {
            display: flex;
            gap: 32px;
        }
        
        .stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-color);
        }
        
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }
        
        .hero-right {
            flex: 7;
            position: relative;
        }
        
        .hero-visual {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-md);
            transform: rotate(-2deg);
        }
        
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        
        .category-item {
            background: linear-gradient(135deg, rgba(232, 67, 46, 0.1) 0%, rgba(167, 33, 69, 0.1) 100%);
            border-radius: var(--radius-sm);
            padding: 20px;
            text-align: center;
            transition: all 0.3s;
            cursor: pointer;
        }
        
        .category-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        
        .category-item i {
            font-size: 32px;
            color: var(--primary-color);
            margin-bottom: 12px;
        }
        
        .category-item span {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }
        
        section {
            padding: 80px 0;
        }
        
        section.alt-bg {
            background: var(--bg-card);
        }
        
        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 60px;
        }
        
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 16px 0;
        }
        
        .section-desc {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        .feature-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
            text-align: center;
        }
        
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border: 2px solid var(--primary-color);
        }
        
        .feature-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .feature-icon i {
            font-size: 36px;
            color: var(--text-light);
        }
        
        .feature-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 12px 0;
        }
        
        .feature-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        .scene-blocks {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        .scene-block {
            display: flex;
            align-items: center;
            gap: 60px;
            margin-bottom: 60px;
        }
        
        .scene-block:last-child {
            margin-bottom: 0;
        }
        
        .scene-block:nth-child(even) {
            flex-direction: row-reverse;
        }
        
        .scene-image {
            flex: 5;
        }
        
        .scene-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
        }
        
        .scene-content {
            flex: 7;
        }
        
        .scene-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 16px 0;
        }
        
        .scene-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        
        .button-small {
            padding: 10px 24px;
            font-size: 15px;
            border-radius: var(--radius-sm);
        }
        
        .trust-bar {
            background: var(--bg-card);
            padding: 60px 24px;
        }
        
        .trust-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
        }
        
        .trust-item {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .trust-number {
            font-size: 48px;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 8px;
        }
        
        .trust-label {
            font-size: 16px;
            color: var(--text-secondary);
        }
        
        .content-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        .content-main {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }
        
        .content-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .content-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
        }
        
        .content-item:last-child {
            border-bottom: none;
        }
        
        .content-item-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        
        .content-item-title:hover {
            color: var(--primary-color);
        }
        
        .content-item-meta {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            gap: 16px;
        }
        
        .content-item-meta i {
            margin-right: 4px;
        }
        
        .content-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        
        .sidebar-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 16px 0;
        }
        
        .recommend-item {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }
        
        .recommend-item:last-child {
            border-bottom: none;
        }
        
        .recommend-item a {
            font-size: 15px;
            color: var(--text-primary);
        }
        
        .recommend-item a:hover {
            color: var(--primary-color);
        }
        
        .cta-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            padding: 80px 24px;
            text-align: center;
            color: var(--text-light);
        }
        
        .cta-title {
            font-size: 32px;
            font-weight: 700;
            margin: 0 0 16px 0;
        }
        
        .cta-desc {
            font-size: 18px;
            margin: 0 0 32px 0;
            opacity: 0.9;
        }
        
        .button-light {
            background: var(--text-light);
            color: var(--primary-color);
        }
        
        .button-light:hover {
            background: var(--bg-page);
        }
        
        .faq-section {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
        }
        
        .faq-question {
            padding: 24px;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .faq-question:hover {
            color: var(--primary-color);
        }
        
        .faq-question i {
            transition: transform 0.3s;
        }
        
        .faq-answer {
            padding: 0 24px 24px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        
        .faq-item.active .faq-answer {
            display: block;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        .cta-bar-fixed {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-dark);
            color: var(--text-light);
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
        }
        
        .cta-bar-text {
            font-size: 16px;
            font-weight: 500;
        }
        
        .cta-bar-button {
            background: var(--primary-color);
            color: var(--text-light);
            padding: 12px 32px;
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 600;
        }
        
        .cta-bar-button:hover {
            background: var(--primary-dark);
        }
        
        footer {
            background: #2C2C2C;
            color: #B0B0B0;
            padding: 60px 24px 24px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto 40px;
        }
        
        .footer-brand {
            color: var(--text-light);
        }
        
        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 16px;
        }
        
        .footer-desc {
            font-size: 14px;
            line-height: 1.6;
        }
        
        .footer-section-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            font-size: 14px;
            color: #B0B0B0;
        }
        
        .footer-links a:hover {
            color: var(--primary-color);
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 14px;
            color: #888;
        }
        
        @media (max-width: 1023px) {
            .nav-center {
                display: none;
            }
            
            .mobile-menu-toggle {
                display: block;
            }
            
            .nav-search {
                display: none;
            }
            
            .hero-content {
                flex-direction: column;
                gap: 40px;
            }
            
            .hero-title {
                font-size: 28px;
            }
            
            .hero-subtitle {
                font-size: 18px;
            }
            
            .hero-visual {
                transform: rotate(0);
            }
            
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .feature-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .scene-block,
            .scene-block:nth-child(even) {
                flex-direction: column;
            }
            
            .trust-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            
            .content-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 639px) {
            section {
                padding: 48px 0;
            }
            
            .hero-section {
                padding: 48px 0;
            }
            
            .hero-buttons {
                flex-direction: column;
            }
            
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            
            .category-grid {
                grid-template-columns: 1fr;
            }
            
            .feature-cards {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 24px;
            }
            
            .scene-title {
                font-size: 22px;
            }
            
            .trust-stats {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .trust-number {
                font-size: 36px;
            }
            
            .cta-bar-fixed {
                padding: 0 16px;
            }
            
            .cta-bar-text {
                display: none;
            }
            
            .cta-bar-button {
                width: 100%;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
:root {
            --primary-color: #E8432E;
            --primary-dark: #C9381F;
            --secondary-color: #A72145;
            --bg-page: #FAFAFA;
            --bg-card: #FFFFFF;
            --bg-dark: #1A1A1A;
            --text-primary: #2C2C2C;
            --text-secondary: #6B6B6B;
            --text-inverse: #FFFFFF;
            --success-color: #16A34A;
            --border-color: #E5E5E5;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-pill: 24px;
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: var(--bg-page);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s;
        }

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

        button, input {
            font-family: inherit;
        }

        .top-nav {
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            height: 60px;
            display: flex;
            align-items: center;
        }

        .top-nav .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-left {
            display: flex;
            align-items: center;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-color);
        }

        .nav-logo i {
            font-size: 24px;
        }

        .nav-center {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-center a {
            font-size: 15px;
            color: var(--text-primary);
            position: relative;
            padding: 4px 0;
        }

        .nav-center a:hover {
            color: var(--primary-color);
        }

        .nav-center a.active {
            color: var(--primary-color);
        }

        .nav-center a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary-color);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            width: 200px;
            height: 36px;
            padding: 0 36px 0 12px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-pill);
            font-size: 14px;
            outline: none;
            transition: border-color 0.2s;
        }

        .nav-search input:focus {
            border-color: var(--primary-color);
        }

        .nav-search i {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
        }

        .nav-login {
            font-size: 15px;
            color: var(--text-primary);
        }

        .nav-login:hover {
            color: var(--primary-color);
        }

        .nav-cta {
            background: var(--primary-color);
            color: var(--text-inverse);
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 600;
            transition: background 0.2s;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 8px;
        }

        .category-banner {
            background: linear-gradient(135deg, var(--secondary-color) 0%, #7A1835 100%);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-inverse);
        }

        .category-banner h1 {
            font-size: 36px;
            font-weight: 700;
            margin: 0 0 12px 0;
            line-height: 1.2;
        }

        .category-banner p {
            font-size: 18px;
            margin: 0;
            opacity: 0.95;
        }

        .category-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 32px;
        }

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

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-inverse);
        }

        .stat-label {
            font-size: 14px;
            margin-top: 4px;
            opacity: 0.9;
        }

        .filter-section {
            background: var(--bg-card);
            padding: 24px;
            margin: 32px auto;
            max-width: 1200px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .filter-row {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }

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

        .filter-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            min-width: 80px;
        }

        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .filter-btn {
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            color: var(--text-primary);
            cursor: pointer;
            transition: all 0.2s;
        }

        .filter-btn:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }

        .filter-btn.active {
            background: var(--primary-color);
            border-color: var(--primary-color);
            color: var(--text-inverse);
        }

        .content-grid {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px 80px;
        }

        .grid-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }

        .result-count {
            font-size: 15px;
            color: var(--text-secondary);
        }

        .sort-select {
            padding: 8px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 14px;
            outline: none;
            cursor: pointer;
        }

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

        .content-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.2s;
            cursor: pointer;
        }

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

        .card-thumb {
            position: relative;
            padding-top: 56.25%;
            background: linear-gradient(135deg, #f5f5f5 0%, #e5e5e5 100%);
            overflow: hidden;
        }

        .card-thumb img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .card-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: var(--primary-color);
            color: var(--text-inverse);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        .card-duration {
            position: absolute;
            bottom: 8px;
            right: 8px;
            background: rgba(0, 0, 0, 0.75);
            color: var(--text-inverse);
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 12px;
        }

        .card-body {
            padding: 16px;
        }

        .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 8px 0;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .meta-item i {
            font-size: 12px;
        }

        .card-action {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .card-btn {
            padding: 6px 16px;
            border: 1px solid var(--primary-color);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--primary-color);
            background: transparent;
            cursor: pointer;
            transition: all 0.2s;
        }

        .card-btn:hover {
            background: var(--primary-color);
            color: var(--text-inverse);
        }

        .card-collect {
            font-size: 18px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: color 0.2s;
        }

        .card-collect:hover {
            color: var(--primary-color);
        }

        .pagination-wrapper {
            display: flex;
            justify-content: center;
            margin-top: 48px;
        }

        .pagination {
            display: flex;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .pagination li {
            display: block;
        }

        .pagination a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            transition: all 0.2s;
        }

        .pagination a:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }

        .pagination li.active a {
            background: var(--primary-color);
            border-color: var(--primary-color);
            color: var(--text-inverse);
        }

        .cta-section {
            max-width: 1200px;
            margin: 0 auto 80px;
            padding: 48px 24px;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            text-align: center;
            color: var(--text-inverse);
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px 0;
        }

        .cta-section p {
            font-size: 16px;
            margin: 0 0 24px 0;
            opacity: 0.95;
        }

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

        .cta-btn-primary {
            padding: 14px 32px;
            background: var(--text-inverse);
            color: var(--primary-color);
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: transform 0.2s;
        }

        .cta-btn-primary:hover {
            transform: scale(1.05);
        }

        .cta-btn-secondary {
            padding: 14px 32px;
            background: transparent;
            color: var(--text-inverse);
            border: 2px solid var(--text-inverse);
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }

        .cta-btn-secondary:hover {
            background: var(--text-inverse);
            color: var(--primary-color);
        }

        footer {
            background: #2C2C2C;
            color: #B8B8B8;
            padding: 48px 24px 24px;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 32px;
        }

        .footer-brand {
            max-width: 320px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 16px;
        }

        .footer-logo i {
            font-size: 24px;
            color: var(--primary-color);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.6;
            margin: 0;
        }

        .footer-section-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-inverse);
            margin: 0 0 16px 0;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: #B8B8B8;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 13px;
            color: #888;
        }

        @media (max-width: 1023px) {
            .nav-center {
                display: none;
            }

            .nav-search {
                display: none;
            }

            .mobile-menu-toggle {
                display: block;
            }

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

            .category-stats {
                gap: 32px;
            }

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

            .content-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .footer-content {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 639px) {
            .top-nav .grid-container {
                padding: 0 16px;
            }

            .nav-right {
                gap: 12px;
            }

            .nav-login {
                display: none;
            }

            .nav-cta {
                padding: 8px 16px;
                font-size: 14px;
            }

            .category-banner {
                padding: 40px 16px;
            }

            .category-banner h1 {
                font-size: 24px;
            }

            .category-banner p {
                font-size: 16px;
            }

            .category-stats {
                flex-direction: column;
                gap: 20px;
            }

            .filter-section {
                padding: 16px;
                margin: 16px;
            }

            .filter-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .filter-label {
                min-width: auto;
            }

            .content-grid {
                padding: 0 16px 48px;
            }

            .grid-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .content-cards {
                grid-template-columns: 1fr;
            }

            .cta-section {
                margin: 0 16px 48px;
                padding: 32px 20px;
            }

            .cta-section h2 {
                font-size: 22px;
            }

            .cta-buttons {
                flex-direction: column;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-brand {
                max-width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --primary-color: #E8432E;
            --primary-dark: #C9381F;
            --secondary-color: #A72145;
            --success-color: #16A34A;
            --bg-page: #FAFAFA;
            --bg-card: #FFFFFF;
            --bg-dark: #1A1A1A;
            --text-primary: #2C2C2C;
            --text-secondary: #6B6B6B;
            --text-inverse: #FFFFFF;
            --border-color: #E5E5E5;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-pill: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
            --spacing-unit: 16px;
        }
        
        * {
            box-sizing: border-box;
        }
        
        body {
            margin: 0;
            font-family: -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: var(--bg-page);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s;
        }
        
        button {
            font-family: inherit;
            cursor: pointer;
        }
        
        .top-nav {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 998;
            height: 60px;
        }
        
        .top-nav .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        .nav-left {
            display: flex;
            align-items: center;
        }
        
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-color);
        }
        
        .nav-logo i {
            font-size: 24px;
        }
        
        .nav-center {
            display: flex;
            gap: 32px;
        }
        
        .nav-center a {
            font-size: 15px;
            color: var(--text-primary);
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }
        
        .nav-center a:hover,
        .nav-center a.active {
            color: var(--primary-color);
            border-bottom-color: var(--primary-color);
        }
        
        .nav-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .nav-search {
            position: relative;
        }
        
        .nav-search input {
            width: 200px;
            padding: 8px 36px 8px 12px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-pill);
            font-size: 14px;
            outline: none;
            transition: border-color 0.2s;
        }
        
        .nav-search input:focus {
            border-color: var(--primary-color);
        }
        
        .nav-search i {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
        }
        
        .nav-login {
            font-size: 15px;
            color: var(--text-primary);
        }
        
        .nav-login:hover {
            color: var(--primary-color);
        }
        
        .nav-cta {
            background: var(--primary-color);
            color: var(--text-inverse);
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            transition: background 0.2s;
        }
        
        .nav-cta:hover {
            background: var(--primary-dark);
        }
        
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-primary);
        }
        
        .category-hero {
            background: linear-gradient(135deg, #E8432E 0%, #A72145 100%);
            color: var(--text-inverse);
            padding: 80px 24px;
            text-align: center;
        }
        
        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            margin: 0 0 16px 0;
            line-height: 1.2;
        }
        
        .category-hero-desc {
            font-size: 18px;
            max-width: 800px;
            margin: 0 auto;
            opacity: 0.95;
        }
        
        .hot-stats {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            margin: -40px auto 60px;
            max-width: 1100px;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        
        .hot-stats .grid-x {
            display: flex;
            justify-content: space-around;
            gap: 32px;
        }
        
        .stat-item {
            text-align: center;
            flex: 1;
        }
        
        .stat-number {
            font-size: 42px;
            font-weight: 700;
            color: var(--primary-color);
            line-height: 1;
            margin-bottom: 8px;
        }
        
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }
        
        .filter-section {
            max-width: 1200px;
            margin: 0 auto 40px;
            padding: 0 24px;
        }
        
        .filter-bar {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        
        .filter-tag {
            padding: 10px 20px;
            border: 2px solid var(--border-color);
            border-radius: var(--radius-pill);
            background: var(--bg-card);
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.2s;
            cursor: pointer;
        }
        
        .filter-tag:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }
        
        .filter-tag.active {
            background: var(--primary-color);
            border-color: var(--primary-color);
            color: var(--text-inverse);
        }
        
        .content-grid {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px 80px;
        }
        
        .hot-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
            position: relative;
        }
        
        .hot-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        
        .hot-card-image {
            position: relative;
            width: 100%;
            padding-top: 56.25%;
            background: linear-gradient(135deg, #FEF3F2 0%, #E5E5E5 100%);
            overflow: hidden;
        }
        
        .hot-card-image img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .hot-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary-color);
            color: var(--text-inverse);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .hot-rank {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(26, 26, 26, 0.85);
            color: #FBBF24;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
        }
        
        .hot-card-content {
            padding: 20px;
        }
        
        .hot-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 12px 0;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .hot-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .meta-item i {
            font-size: 14px;
        }
        
        .hot-card-btn {
            width: 100%;
            padding: 10px;
            background: transparent;
            border: 2px solid var(--primary-color);
            border-radius: var(--radius-sm);
            color: var(--primary-color);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.2s;
        }
        
        .hot-card-btn:hover {
            background: var(--primary-color);
            color: var(--text-inverse);
        }
        
        .why-hot-section {
            max-width: 1200px;
            margin: 80px auto;
            padding: 0 24px;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        
        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 16px 0;
        }
        
        .section-header p {
            font-size: 17px;
            color: var(--text-secondary);
            margin: 0;
        }
        
        .feature-grid .cell {
            margin-bottom: 24px;
        }
        
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
            border: 2px solid transparent;
        }
        
        .feature-card:hover {
            border-color: var(--primary-color);
            box-shadow: var(--shadow-md);
        }
        
        .feature-icon {
            width: 72px;
            height: 72px;
            background: linear-gradient(135deg, rgba(232, 67, 46, 0.1) 0%, rgba(167, 33, 69, 0.1) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }
        
        .feature-icon i {
            font-size: 32px;
            color: var(--primary-color);
        }
        
        .feature-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 12px 0;
            text-align: center;
        }
        
        .feature-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
            text-align: center;
        }
        
        .trending-list-section {
            background: var(--bg-card);
            padding: 80px 24px;
        }
        
        .trending-list {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .trending-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 24px;
            border-bottom: 1px solid var(--border-color);
            transition: background 0.2s;
        }
        
        .trending-item:hover {
            background: var(--bg-page);
        }
        
        .trending-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-color);
            min-width: 50px;
        }
        
        .trending-content {
            flex: 1;
        }
        
        .trending-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 8px 0;
        }
        
        .trending-stats {
            display: flex;
            gap: 20px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        
        .trending-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .faq-section {
            max-width: 900px;
            margin: 80px auto;
            padding: 0 24px;
        }
        
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 24px;
            text-align: left;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color 0.2s;
        }
        
        .faq-question:hover {
            color: var(--primary-color);
        }
        
        .faq-question i {
            font-size: 20px;
            transition: transform 0.3s;
        }
        
        .faq-answer {
            padding: 0 24px 24px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        .cta-section {
            background: linear-gradient(135deg, #E8432E 0%, #A72145 100%);
            color: var(--text-inverse);
            padding: 80px 24px;
            text-align: center;
        }
        
        .cta-section h2 {
            font-size: 36px;
            font-weight: 700;
            margin: 0 0 16px 0;
        }
        
        .cta-section p {
            font-size: 18px;
            margin: 0 0 32px 0;
            opacity: 0.95;
        }
        
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .cta-btn-primary {
            background: var(--text-inverse);
            color: var(--primary-color);
            padding: 16px 40px;
            border-radius: var(--radius-pill);
            font-size: 17px;
            font-weight: 600;
            border: none;
            transition: all 0.2s;
        }
        
        .cta-btn-primary:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        }
        
        .cta-btn-secondary {
            background: transparent;
            color: var(--text-inverse);
            padding: 16px 40px;
            border-radius: var(--radius-pill);
            font-size: 17px;
            font-weight: 600;
            border: 2px solid var(--text-inverse);
            transition: all 0.2s;
        }
        
        .cta-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        
        .pagination-section {
            max-width: 1200px;
            margin: 40px auto 0;
            padding: 0 24px;
            display: flex;
            justify-content: center;
        }
        
        .pagination {
            display: flex;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .pagination li {
            margin: 0;
        }
        
        .pagination a {
            display: block;
            padding: 10px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.2s;
        }
        
        .pagination a:hover {
            background: var(--primary-color);
            border-color: var(--primary-color);
            color: var(--text-inverse);
        }
        
        .pagination .current a {
            background: var(--primary-color);
            border-color: var(--primary-color);
            color: var(--text-inverse);
        }
        
        .cta-bar-fixed {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-dark);
            color: var(--text-inverse);
            padding: 16px 24px;
            z-index: 999;
            box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
        }
        
        .cta-bar-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }
        
        .cta-bar-text {
            font-size: 16px;
            font-weight: 500;
        }
        
        .cta-bar-btn {
            background: var(--primary-color);
            color: var(--text-inverse);
            padding: 12px 32px;
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 600;
            border: none;
            white-space: nowrap;
            transition: background 0.2s;
        }
        
        .cta-bar-btn:hover {
            background: var(--primary-dark);
        }
        
        footer {
            background: var(--bg-dark);
            color: var(--text-inverse);
            padding: 60px 24px 0;
        }
        
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        
        .footer-brand {
            max-width: 320px;
        }
        
        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .footer-logo i {
            font-size: 24px;
            color: var(--primary-color);
        }
        
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }
        
        .footer-section-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-inverse);
            margin: 0 0 20px 0;
        }
        
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s;
        }
        
        .footer-links a:hover {
            color: var(--primary-color);
        }
        
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        
        @media (max-width: 1023px) {
            .footer-content {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        
        @media (max-width: 639px) {
            .nav-center,
            .nav-search,
            .nav-login {
                display: none;
            }
            
            .mobile-menu-toggle {
                display: block;
            }
            
            .category-hero {
                padding: 60px 20px;
            }
            
            .category-hero h1 {
                font-size: 26px;
            }
            
            .category-hero-desc {
                font-size: 16px;
            }
            
            .hot-stats {
                padding: 24px 16px;
                margin: -30px 16px 40px;
            }
            
            .hot-stats .grid-x {
                flex-direction: column;
                gap: 24px;
            }
            
            .stat-number {
                font-size: 32px;
            }
            
            .filter-bar {
                gap: 8px;
            }
            
            .filter-tag {
                padding: 8px 16px;
                font-size: 14px;
            }
            
            .section-header h2 {
                font-size: 26px;
            }
            
            .feature-card {
                padding: 24px;
            }
            
            .trending-item {
                gap: 16px;
                padding: 16px;
            }
            
            .trending-number {
                font-size: 22px;
                min-width: 40px;
            }
            
            .trending-title {
                font-size: 16px;
            }
            
            .trending-stats {
                flex-direction: column;
                gap: 8px;
            }
            
            .cta-section h2 {
                font-size: 26px;
            }
            
            .cta-section p {
                font-size: 16px;
            }
            
            .cta-buttons {
                flex-direction: column;
            }
            
            .cta-btn-primary,
            .cta-btn-secondary {
                width: 100%;
            }
            
            .cta-bar-text {
                display: none;
            }
            
            .cta-bar-btn {
                width: calc(100% - 32px);
                margin: 0 auto;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }