/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #dbeafe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fef3c7;
            --bg: #ffffff;
            --bg-alt: #f8fafc;
            --bg-dark: #0f172a;
            --text: #1e293b;
            --text-light: #64748b;
            --text-white: #f1f5f9;
            --border: #e2e8f0;
            --radius-sm: 0.375rem;
            --radius: 0.75rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-h: 72px;
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: var(--font);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .header.scrolled {
            box-shadow: var(--shadow);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 1rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo i {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .logo span {
            color: var(--text);
        }
        .logo:hover {
            color: var(--primary);
        }

        /* 搜索框 */
        .search-wrap {
            flex: 1;
            max-width: 480px;
            margin: 0 1rem;
            position: relative;
        }
        .search-wrap .search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 0.95rem;
            pointer-events: none;
        }
        .search-wrap input {
            width: 100%;
            padding: 0.6rem 1rem 0.6rem 2.8rem;
            border-radius: 999px;
            background: var(--bg-alt);
            border: 1.5px solid var(--border);
            color: var(--text);
            font-size: 0.9rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-wrap input::placeholder {
            color: var(--text-light);
        }
        .search-wrap input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
            background: var(--bg);
        }

        /* 导航链接 */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-shrink: 0;
        }
        .nav-links a {
            display: block;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            color: var(--text);
            font-size: 0.9rem;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-links a.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--radius);
            background: var(--bg-alt);
            color: var(--text);
            font-size: 1.25rem;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
            border: 1px solid var(--border);
        }
        .menu-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            margin-top: var(--header-h);
            min-height: 92vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.78) 0%, rgba(30, 58, 138, 0.55) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            padding-top: 2rem;
            padding-bottom: 2rem;
        }
        .hero-content {
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 0.4rem 1.2rem;
            border-radius: 999px;
            color: var(--text-white);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            letter-spacing: -0.03em;
            margin-bottom: 1.2rem;
        }
        .hero h1 span {
            color: var(--accent);
        }
        .hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }
        .hero-stat-item {
            color: #fff;
        }
        .hero-stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--accent);
        }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.2rem;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 5rem 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
            color: var(--text);
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            margin-bottom: 2.5rem;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 优势卡片 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .advantage-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 2rem 1.8rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .advantage-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .advantage-card .icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            transition: background var(--transition);
        }
        .advantage-card:hover .icon {
            background: var(--primary);
            color: #fff;
        }
        .advantage-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .advantage-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 分类入口 ===== */
        .category-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .category-card .thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .category-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .thumb img {
            transform: scale(1.05);
        }
        .category-card .info {
            padding: 1.5rem 1.8rem 1.8rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .info h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
        }
        .category-card .info p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 1rem;
        }
        .category-card .info .tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--primary);
            background: var(--primary-light);
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            align-self: flex-start;
        }

        /* ===== 资讯列表 ===== */
        .post-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .post-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .post-card .thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .post-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .post-card:hover .thumb img {
            transform: scale(1.05);
        }
        .post-card .body {
            padding: 1.2rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .post-card .meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 0.5rem;
        }
        .post-card .meta .cat {
            background: var(--accent-light);
            color: var(--accent-dark);
            padding: 0.15rem 0.6rem;
            border-radius: 999px;
            font-weight: 500;
        }
        .post-card .meta .date {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .post-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
            line-height: 1.4;
            flex: 1;
        }
        .post-card h3 a {
            color: var(--text);
        }
        .post-card h3 a:hover {
            color: var(--primary);
        }
        .post-card .excerpt {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-top: 0.3rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-light);
            font-size: 1rem;
            background: var(--bg-alt);
            border-radius: var(--radius-lg);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        .stat-item {
            padding: 2rem 1rem;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .stat-item .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.3rem;
        }

        /* ===== 流程/步骤 ===== */
        .steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 2rem 1.5rem;
            position: relative;
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            display: block;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.2rem;
            font-weight: 700;
            line-height: 48px;
            margin: 0 auto 1rem;
            transition: background var(--transition), color var(--transition);
        }
        .step-item:hover::before {
            background: var(--primary);
            color: #fff;
        }
        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .section-dark .step-item p {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-dark .step-item::before {
            background: rgba(37, 99, 235, 0.3);
            color: var(--accent);
        }
        .section-dark .step-item:hover::before {
            background: var(--primary);
            color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 0.98rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            list-style: none;
            transition: background var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::before {
            content: '\f059';
            font-family: 'Font Awesome 6 Free';
            font-weight: 400;
            color: var(--primary);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            margin-left: auto;
            transition: transform var(--transition);
            color: var(--text-light);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item[open] summary {
            background: var(--bg-alt);
        }
        .faq-item .answer {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
            border-radius: var(--radius-xl);
            padding: 3.5rem 3rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            position: relative;
        }
        .cta-box p {
            font-size: 1.05rem;
            opacity: 0.9;
            max-width: 560px;
            margin: 0 auto 2rem;
            position: relative;
        }
        .cta-box .btn {
            position: relative;
        }
        .cta-box .btn-accent:hover {
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-brand .logo span {
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .footer-col ul li {
            margin-bottom: 0.4rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .search-wrap {
                display: none;
            }
            .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 1rem 1.5rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                pointer-events: none;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                padding: 0.75rem 1rem;
                font-size: 1rem;
                width: 100%;
                border-radius: var(--radius);
            }
            .menu-toggle {
                display: flex;
            }
            .hero {
                min-height: 80vh;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat-item .num {
                font-size: 1.4rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .grid-3,
            .grid-2,
            .category-cards {
                grid-template-columns: 1fr;
            }
            .steps {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-item .num {
                font-size: 1.8rem;
            }
            .cta-box {
                padding: 2.5rem 1.5rem;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .post-list {
                grid-template-columns: 1fr;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .gap-1 {
            gap: 1rem;
        }

        /* ===== 滚动渐入动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.show {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-secondary: #0f3460;
            --color-accent: #e94560;
            --color-accent-hover: #ff6b81;
            --color-gold: #f5a623;
            --color-bg: #f8f9fa;
            --color-bg-card: #ffffff;
            --color-bg-dark: #0f0f1a;
            --color-text: #2d3436;
            --color-text-light: #636e72;
            --color-text-white: #ffffff;
            --color-border: #e1e4e8;
            --color-border-light: #f0f0f0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.15);
            --shadow-glow: 0 0 30px rgba(233,69,96,0.3);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 70px;
        }

        /* ===== Base Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--color-primary); }
        h1 { font-size: 2.5rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.25rem; }
        p { margin-bottom: 1rem; color: var(--color-text-light); }
        .text-center { text-align: center; }
        .section-title {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            text-align: center;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            text-align: center;
            margin-bottom: 3rem;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            justify-content: center;
        }
        .btn-primary {
            background: var(--color-accent);
            color: white;
            border-color: var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-text-white);
            border-color: rgba(255,255,255,0.4);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: white;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* ===== Header & Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255,255,255,0.05);
            z-index: 1000;
            transition: var(--transition);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: white;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--color-accent);
            font-size: 1.8rem;
        }
        .logo span {
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.7);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: white;
            background: rgba(255,255,255,0.08);
        }
        .nav-links a.active {
            color: white;
            background: var(--color-accent);
        }

        /* Search Box in Nav */
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            padding: 0 16px;
            border: 1px solid rgba(255,255,255,0.1);
            transition: var(--transition);
            flex: 0 1 280px;
        }
        .nav-search:focus-within {
            border-color: var(--color-accent);
            background: rgba(255,255,255,0.12);
            box-shadow: 0 0 20px rgba(233,69,96,0.2);
        }
        .nav-search i {
            color: rgba(255,255,255,0.4);
            font-size: 0.9rem;
        }
        .nav-search input {
            background: transparent;
            border: none;
            padding: 10px 12px;
            color: white;
            width: 100%;
            font-size: 0.9rem;
        }
        .nav-search input::placeholder {
            color: rgba(255,255,255,0.4);
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 5px;
            background: none;
            border: none;
        }
        .menu-toggle span {
            display: block;
            width: 25px;
            height: 2px;
            background: white;
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== Hero / Banner for Inner Pages ===== */
        .page-banner {
            padding: 120px 0 60px;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
        }
        .page-banner h1 {
            color: white;
            font-size: 2.2rem;
            margin-bottom: 0.5rem;
        }
        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
        }
        .page-banner .breadcrumb a {
            color: rgba(255,255,255,0.8);
        }
        .page-banner .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .page-banner .breadcrumb span {
            color: white;
        }

        /* ===== Article Detail ===== */
        .article-detail {
            padding: 60px 0;
        }
        .article-detail .container {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-main {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }
        .article-header {
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--color-border);
        }
        .article-header .meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 15px;
            flex-wrap: wrap;
        }
        .article-header .meta .tag {
            background: var(--color-accent);
            color: white;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .article-header .meta .date {
            color: var(--color-text-light);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-header h1 {
            font-size: 2rem;
            margin-bottom: 0;
            color: var(--color-primary);
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--color-text);
        }
        .article-content h2, .article-content h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--color-primary);
        }
        .article-content p {
            margin-bottom: 1.2rem;
            color: var(--color-text);
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
        }
        .article-content ul li {
            list-style: disc;
            margin-bottom: 0.5rem;
        }
        .article-content ol li {
            list-style: decimal;
            margin-bottom: 0.5rem;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem auto;
            box-shadow: var(--shadow-sm);
        }
        .article-content blockquote {
            border-left: 4px solid var(--color-accent);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            background: rgba(233,69,96,0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
        }
        .article-content a {
            color: var(--color-accent);
            text-decoration: underline;
        }
        .article-content a:hover {
            color: var(--color-accent-hover);
        }

        .article-footer {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }
        .article-footer .share-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-footer .share-links span {
            font-weight: 600;
            color: var(--color-text-light);
        }
        .article-footer .share-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-bg);
            color: var(--color-text-light);
            transition: var(--transition);
        }
        .article-footer .share-links a:hover {
            background: var(--color-accent);
            color: white;
            transform: translateY(-2px);
        }

        /* ===== Sidebar ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
        }
        .sidebar-card ul li {
            margin-bottom: 12px;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--color-text-light);
            font-weight: 500;
            padding: 6px 0;
            transition: var(--transition);
        }
        .sidebar-card ul li a:hover {
            color: var(--color-accent);
            padding-left: 5px;
        }
        .sidebar-card ul li a i {
            width: 20px;
            color: var(--color-accent);
        }
        .sidebar-card .card-item {
            display: flex;
            gap: 15px;
            margin-bottom: 18px;
            padding-bottom: 18px;
            border-bottom: 1px solid var(--color-border-light);
        }
        .sidebar-card .card-item:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .sidebar-card .card-item img {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-card .card-item .info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .sidebar-card .card-item .info h4 a {
            color: var(--color-primary);
        }
        .sidebar-card .card-item .info h4 a:hover {
            color: var(--color-accent);
        }
        .sidebar-card .card-item .info span {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* ===== Error State ===== */
        .error-state {
            text-align: center;
            padding: 60px 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }
        .error-state i {
            font-size: 4rem;
            color: var(--color-text-light);
            margin-bottom: 20px;
        }
        .error-state h2 {
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .error-state p {
            color: var(--color-text-light);
            margin-bottom: 20px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--color-bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.8rem;
            margin-bottom: 15px;
        }
        .footer-brand p {
            color: rgba(255,255,255,0.5);
            font-size: 0.9rem;
            max-width: 360px;
            line-height: 1.6;
        }
        .footer-col h4 {
            color: white;
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--color-accent);
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.5);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            padding-left: 5px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-detail .container {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-search {
                flex: 0 1 200px;
            }
        }
        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                padding: 20px;
                gap: 5px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid rgba(255,255,255,0.1);
                box-shadow: var(--shadow-lg);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                width: 100%;
                padding: 14px 18px;
                font-size: 1.1rem;
            }
            .nav-search {
                display: none; /* Hide search on mobile nav, keep in header if needed */
            }
            .header .container {
                gap: 10px;
            }
            .article-main {
                padding: 24px;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .section-title { font-size: 1.6rem; }
            .page-banner h1 { font-size: 1.8rem; }
            .article-header h1 { font-size: 1.5rem; }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-main { padding: 16px; }
            .article-detail { padding: 40px 0; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --clr-primary: #1a1a2e;
            --clr-primary-light: #16213e;
            --clr-secondary: #e94560;
            --clr-accent: #f0a500;
            --clr-accent-light: #ffc800;
            --clr-bg: #f4f5f7;
            --clr-bg-alt: #ffffff;
            --clr-bg-dark: #0f0f1a;
            --clr-text: #1a1a2e;
            --clr-text-light: #5a5a7a;
            --clr-text-white: #f0f0f5;
            --clr-border: #e2e2ea;
            --clr-shadow: rgba(26, 26, 46, 0.08);
            --clr-shadow-hover: rgba(26, 26, 46, 0.18);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 4px 20px var(--clr-shadow);
            --shadow-card-hover: 0 12px 40px var(--clr-shadow-hover);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--clr-secondary);
        }
        a:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header & Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(26, 26, 46, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 1000;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--clr-text-white);
            white-space: nowrap;
        }
        .logo i {
            font-size: 1.6rem;
            color: var(--clr-accent);
        }
        .logo span {
            color: var(--clr-accent);
        }
        .logo:hover {
            color: var(--clr-text-white);
            opacity: 0.92;
        }

        /* 导航链接 (桌面) */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            position: relative;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(233, 69, 96, 0.25);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--clr-secondary);
            border-radius: 4px;
        }

        /* 搜索框 (导航内) */
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 40px;
            padding: 0 16px;
            height: 40px;
            min-width: 200px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .nav-search:focus-within {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--clr-accent);
        }
        .nav-search i {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            margin-right: 10px;
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--clr-text-white);
            width: 100%;
            height: 100%;
            font-size: 0.9rem;
        }
        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        /* 汉堡菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            color: var(--clr-text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* 移动端导航抽屉 */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-nav-overlay.open {
            opacity: 1;
        }

        /* ===== Hero / Banner (分类页) ===== */
        .category-hero {
            position: relative;
            margin-top: var(--header-h);
            min-height: 360px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--clr-bg-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(15, 15, 26, 0.78) 100%);
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 60px 20px 50px;
        }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .category-hero h1 i {
            color: var(--clr-accent);
            margin-right: 10px;
        }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            padding: 0 20px;
            height: 54px;
            max-width: 520px;
            margin: 0 auto;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }
        .hero-search:focus-within {
            background: rgba(255, 255, 255, 0.2);
            border-color: var(--clr-accent);
        }
        .hero-search i {
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.1rem;
            margin-right: 14px;
        }
        .hero-search input {
            background: transparent;
            border: none;
            color: #fff;
            width: 100%;
            height: 100%;
            font-size: 1rem;
        }
        .hero-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .hero-search button {
            background: var(--clr-secondary);
            color: #fff;
            padding: 0 28px;
            height: 40px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .hero-search button:hover {
            background: #d13d55;
            transform: scale(1.02);
        }

        /* ===== Section共用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--clr-bg-alt);
        }
        .section-dark {
            background: var(--clr-bg-dark);
            color: var(--clr-text-white);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--clr-text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }

        .section-header .badge {
            display: inline-block;
            background: var(--clr-secondary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 30px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 28px;
        }
        .card-grid-3 {
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        }
        .card-grid-4 {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        }

        /* ===== Card 通用 ===== */
        .card {
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }
        .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8e8f0;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-image img {
            transform: scale(1.05);
        }
        .card-image .tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--clr-secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 14px;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }
        .card-image .hot-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--clr-accent);
            color: #1a1a2e;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body h3 a {
            color: var(--clr-text);
        }
        .card-body h3 a:hover {
            color: var(--clr-secondary);
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--clr-text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--clr-text-light);
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--clr-border);
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-meta .views {
            margin-left: auto;
        }

        /* ===== 竖向封面卡片 (瀑布流风格) ===== */
        .card-vertical {
            aspect-ratio: 3 / 4;
            display: flex;
            flex-direction: column;
        }
        .card-vertical .card-image {
            aspect-ratio: 3 / 4;
            flex: 1;
        }
        .card-vertical .card-body {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent 20%, rgba(0, 0, 0, 0.85));
            color: #fff;
            padding: 30px 18px 18px;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }
        .card-vertical .card-body h3 {
            font-size: 1rem;
            color: #fff;
        }
        .card-vertical .card-body .tag {
            position: relative;
            top: auto;
            left: auto;
            display: inline-block;
            margin-bottom: 6px;
        }

        /* ===== 分类索引卡片 ===== */
        .cat-card {
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid var(--clr-border);
        }
        .cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--clr-secondary);
        }
        .cat-card .icon {
            font-size: 2.4rem;
            color: var(--clr-secondary);
            margin-bottom: 16px;
        }
        .cat-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .cat-card .count {
            font-size: 0.85rem;
            color: var(--clr-text-light);
        }
        .cat-card .count span {
            font-weight: 700;
            color: var(--clr-secondary);
        }

        /* ===== 排行榜列表 ===== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--clr-bg-alt);
            padding: 16px 22px;
            border-radius: var(--radius-sm);
            box-shadow: 0 2px 10px var(--clr-shadow);
            transition: var(--transition);
            border-left: 4px solid transparent;
        }
        .rank-item:hover {
            transform: translateX(6px);
            border-left-color: var(--clr-secondary);
        }
        .rank-item .rank-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--clr-text-light);
            min-width: 44px;
            text-align: center;
            line-height: 1;
        }
        .rank-item:nth-child(1) .rank-num {
            color: var(--clr-accent);
        }
        .rank-item:nth-child(2) .rank-num {
            color: #b0b0c8;
        }
        .rank-item:nth-child(3) .rank-num {
            color: #cd7f32;
        }
        .rank-item .rank-info {
            flex: 1;
        }
        .rank-item .rank-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .rank-item .rank-info p {
            font-size: 0.85rem;
            color: var(--clr-text-light);
        }
        .rank-item .rank-hot {
            font-size: 0.85rem;
            color: var(--clr-secondary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 文章列表 (最新攻略) ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-item {
            display: flex;
            gap: 24px;
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            align-items: flex-start;
        }
        .article-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .article-item .thumb {
            width: 180px;
            min-height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #e0e0ea;
        }
        .article-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-item .content {
            flex: 1;
        }
        .article-item .content .date {
            font-size: 0.8rem;
            color: var(--clr-text-light);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 6px;
        }
        .article-item .content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .article-item .content h3 a {
            color: var(--clr-text);
        }
        .article-item .content h3 a:hover {
            color: var(--clr-secondary);
        }
        .article-item .content p {
            font-size: 0.9rem;
            color: var(--clr-text-light);
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .article-item .content .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-item .content .tags .tag {
            background: var(--clr-bg);
            color: var(--clr-text-light);
            font-size: 0.75rem;
            padding: 2px 14px;
            border-radius: 20px;
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            box-shadow: 0 2px 12px var(--clr-shadow);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.02rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question i {
            color: var(--clr-secondary);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question .arrow {
            color: var(--clr-text-light);
            transition: var(--transition);
        }
        .faq-item.open .faq-question .arrow {
            transform: rotate(180deg);
            color: var(--clr-secondary);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--clr-text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--clr-primary) 0%, #0f0f1a 100%);
            padding: 80px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--clr-secondary);
            color: #fff;
            border-color: var(--clr-secondary);
        }
        .btn-primary:hover {
            background: #d13d55;
            border-color: #d13d55;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(233, 69, 96, 0.35);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.3);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer (复用首页) ===== */
        .footer {
            background: var(--clr-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: #fff;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--clr-accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--clr-accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .card-grid-3 {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }

            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .menu-toggle {
                display: block;
            }

            /* 移动端导航 */
            .mobile-nav-overlay {
                display: block;
                pointer-events: none;
            }
            .mobile-nav-overlay.open {
                pointer-events: auto;
            }
            .mobile-nav {
                position: fixed;
                top: 0;
                right: -300px;
                width: 280px;
                height: 100%;
                background: var(--clr-primary);
                z-index: 1001;
                padding: 80px 24px 30px;
                transition: right 0.35s ease;
                box-shadow: -8px 0 30px rgba(0, 0, 0, 0.3);
                display: flex;
                flex-direction: column;
                gap: 6px;
                overflow-y: auto;
            }
            .mobile-nav.open {
                right: 0;
            }
            .mobile-nav a {
                display: block;
                padding: 14px 16px;
                border-radius: var(--radius-sm);
                font-size: 1.05rem;
                font-weight: 500;
                color: rgba(255, 255, 255, 0.75);
                transition: var(--transition);
            }
            .mobile-nav a:hover {
                background: rgba(255, 255, 255, 0.08);
                color: #fff;
            }
            .mobile-nav a.active {
                color: #fff;
                background: rgba(233, 69, 96, 0.2);
            }
            .mobile-nav .mobile-search {
                display: flex;
                align-items: center;
                background: rgba(255, 255, 255, 0.1);
                border-radius: 40px;
                padding: 0 16px;
                height: 44px;
                margin-bottom: 20px;
                margin-top: 10px;
                border: 1px solid rgba(255, 255, 255, 0.06);
            }
            .mobile-nav .mobile-search i {
                color: rgba(255, 255, 255, 0.4);
                margin-right: 10px;
            }
            .mobile-nav .mobile-search input {
                background: transparent;
                border: none;
                color: #fff;
                width: 100%;
                height: 100%;
                font-size: 0.95rem;
            }
            .mobile-nav .mobile-search input::placeholder {
                color: rgba(255, 255, 255, 0.35);
            }
            .mobile-nav .close-btn {
                position: absolute;
                top: 18px;
                right: 18px;
                background: none;
                color: #fff;
                font-size: 1.6rem;
                cursor: pointer;
                padding: 4px 8px;
                border-radius: var(--radius-sm);
            }
            .mobile-nav .close-btn:hover {
                background: rgba(255, 255, 255, 0.08);
            }

            /* hero */
            .category-hero {
                min-height: 280px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .hero-search {
                flex-direction: column;
                height: auto;
                padding: 12px 16px;
                gap: 10px;
                background: rgba(255, 255, 255, 0.08);
                border-radius: 24px;
            }
            .hero-search input {
                width: 100%;
                padding: 6px 0;
            }
            .hero-search button {
                width: 100%;
                justify-content: center;
            }

            /* section */
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }

            /* grid */
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
                gap: 18px;
            }
            .card-grid-3 {
                grid-template-columns: 1fr;
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            /* article list */
            .article-item {
                flex-direction: column;
                padding: 16px;
            }
            .article-item .thumb {
                width: 100%;
                min-height: 180px;
            }

            /* rank */
            .rank-item {
                padding: 12px 16px;
                gap: 12px;
            }
            .rank-item .rank-num {
                font-size: 1.4rem;
                min-width: 32px;
            }

            /* footer */
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 0.92rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.92rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== 滚动加载动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .gap-12 {
            gap: 12px;
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #457b9d;
            --secondary-dark: #1d3557;
            --accent: #f4a261;
            --bg: #0d1b2a;
            --bg-card: #1b2d45;
            --bg-light: #243b55;
            --bg-dark: #0a1420;
            --text: #f1faee;
            --text-dim: #a8c0d0;
            --text-muted: #6c8a9e;
            --border: rgba(230, 57, 70, 0.2);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.2);
            --shadow-hover: 0 16px 48px rgba(230, 57, 70, 0.15);
            --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(13, 27, 42, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            transition: var(--transition);
        }
        .header.scrolled {
            background: rgba(13, 27, 42, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .logo span {
            color: var(--primary);
        }

        /* Search bar (nav center) */
        .search-wrap {
            flex: 1;
            max-width: 480px;
            margin: 0 20px;
            position: relative;
        }
        .search-wrap input {
            width: 100%;
            padding: 10px 20px 10px 46px;
            border-radius: 50px;
            background: var(--bg-light);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .search-wrap input::placeholder {
            color: var(--text-muted);
        }
        .search-wrap input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
            background: var(--bg-card);
        }
        .search-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 1rem;
            pointer-events: none;
        }

        /* Nav links */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-dim);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text);
            background: rgba(230, 57, 70, 0.08);
        }
        .nav-links a.active {
            color: var(--text);
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .nav-links a.active:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* Mobile toggle */
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px 12px;
            border-radius: var(--radius-xs);
            background: var(--bg-light);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-card);
            color: var(--primary);
        }

        /* ===== Banner ===== */
        .banner {
            margin-top: var(--header-height);
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg) 50%, rgba(230, 57, 70, 0.08) 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }
        .banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--text) 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .banner p {
            font-size: 1.15rem;
            color: var(--text-dim);
            max-width: 680px;
            margin: 0 auto 24px;
        }
        .banner .tag-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }
        .banner .tag {
            padding: 6px 20px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.12);
            border: 1px solid rgba(230, 57, 70, 0.25);
            color: var(--primary-light);
            font-size: 0.88rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .banner .tag:hover {
            background: rgba(230, 57, 70, 0.25);
            transform: translateY(-2px);
        }

        /* ===== Section common ===== */
        .section {
            padding: 70px 0;
        }
        .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .section-sub {
            text-align: center;
            color: var(--text-dim);
            max-width: 600px;
            margin: 0 auto 48px;
            font-size: 1.05rem;
        }
        .section-title span {
            color: var(--primary);
        }

        /* ===== Cards Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 28px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(230, 57, 70, 0.3);
        }
        .card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-light);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.4);
        }
        .card-img .badge-hot {
            background: var(--accent);
            color: #1a1a2e;
        }
        .card-img .badge-new {
            background: var(--secondary);
        }
        .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body .meta {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .card-body .meta i {
            margin-right: 4px;
        }
        .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-body h3 a {
            color: var(--text);
        }
        .card-body h3 a:hover {
            color: var(--primary-light);
        }
        .card-body p {
            color: var(--text-dim);
            font-size: 0.92rem;
            line-height: 1.7;
            flex: 1;
        }
        .card-body .card-footer {
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .card-body .card-footer .tag-sm {
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(69, 123, 157, 0.15);
            color: var(--secondary);
            font-size: 0.78rem;
            font-weight: 500;
        }
        .card-body .card-footer .read-more {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .card-body .card-footer .read-more:hover {
            gap: 12px;
        }

        /* ===== Featured List ===== */
        .featured-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: start;
        }
        .featured-main {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .featured-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .featured-main .card-img {
            aspect-ratio: 16 / 10;
        }
        .featured-main .card-body {
            padding: 24px 28px 28px;
        }
        .featured-main .card-body h3 {
            font-size: 1.5rem;
        }
        .featured-main .card-body p {
            font-size: 0.98rem;
        }
        .featured-side {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .featured-side .list-item {
            display: flex;
            gap: 18px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            border: 1px solid var(--border);
            transition: var(--transition);
            align-items: center;
        }
        .featured-side .list-item:hover {
            transform: translateX(6px);
            border-color: rgba(230, 57, 70, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .featured-side .list-item .num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            opacity: 0.6;
            min-width: 40px;
            text-align: center;
        }
        .featured-side .list-item .info h4 {
            font-size: 0.98rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .featured-side .list-item .info p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .featured-side .list-item .info .tag-sm {
            display: inline-block;
            margin-top: 4px;
            padding: 2px 12px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary-light);
            font-size: 0.72rem;
            font-weight: 500;
        }

        /* ===== Timeline ===== */
        .timeline {
            position: relative;
            padding-left: 40px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary), transparent);
        }
        .timeline-item {
            position: relative;
            padding: 0 0 40px 30px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg);
            box-shadow: 0 0 0 2px var(--primary);
        }
        .timeline-item .time {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: block;
            margin-bottom: 4px;
        }
        .timeline-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .timeline-item p {
            color: var(--text-dim);
            font-size: 0.9rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--bg-dark) 60%, var(--bg) 100%);
            padding: 70px 0;
            text-align: center;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-dim);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.4);
        }
        .btn-outline {
            background: transparent;
            color: var(--text);
            border-color: var(--border);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(230, 57, 70, 0.08);
            transform: translateY(-3px);
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 22px 26px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.2);
            box-shadow: var(--shadow-sm);
        }
        .faq-item h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item h4 i {
            color: var(--primary);
            font-size: 0.9rem;
        }
        .faq-item p {
            color: var(--text-dim);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            height: 44px;
            padding: 0 16px;
            border-radius: var(--radius-xs);
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-dim);
            font-weight: 500;
            font-size: 0.92rem;
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: var(--text);
            background: rgba(230, 57, 70, 0.08);
        }
        .pagination .active-page {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .pagination .dots {
            background: transparent;
            border: none;
            color: var(--text-muted);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border);
            padding: 56px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--text-dim);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            color: var(--text);
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-dim);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-dim);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .featured-list {
                grid-template-columns: 1fr;
            }
            .banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 0;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(13, 27, 42, 0.98);
                backdrop-filter: blur(20px);
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                gap: 6px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
            }
            .nav-toggle {
                display: block;
                order: 3;
            }
            .search-wrap {
                order: 2;
                max-width: 100%;
                margin: 0 12px;
                flex: 1;
            }
            .logo {
                order: 1;
                font-size: 1.15rem;
            }
            .logo i {
                font-size: 1.3rem;
            }

            .banner {
                padding: 60px 0 40px;
                min-height: 260px;
            }
            .banner h1 {
                font-size: 1.7rem;
            }
            .banner p {
                font-size: 0.98rem;
            }

            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .featured-main .card-body h3 {
                font-size: 1.2rem;
            }
            .featured-side .list-item {
                padding: 12px 14px;
            }
            .featured-side .list-item .num {
                font-size: 1.2rem;
                min-width: 30px;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn {
                padding: 12px 28px;
                font-size: 0.92rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .timeline {
                padding-left: 28px;
            }
            .timeline::before {
                left: 8px;
            }
            .timeline-item {
                padding: 0 0 28px 20px;
            }
            .timeline-item::before {
                left: -18px;
                width: 10px;
                height: 10px;
            }

            .pagination a,
            .pagination span {
                min-width: 38px;
                height: 38px;
                padding: 0 12px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .banner h1 {
                font-size: 1.4rem;
            }
            .banner .tag {
                padding: 4px 14px;
                font-size: 0.78rem;
            }
            .card-body {
                padding: 16px 18px 20px;
            }
            .card-body h3 {
                font-size: 1.05rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .cta-section {
                padding: 48px 0;
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
            .footer {
                padding: 36px 0 20px;
            }
        }

        /* ===== Focus / Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: var(--radius-xs);
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }