/* roulang page: index */
:root {
            --primary: #1a1a2e;
            --primary-light: #2d2d4e;
            --secondary: #e94560;
            --secondary-hover: #d63850;
            --accent: #0f3460;
            --accent-light: #1a4a7a;
            --bg-body: #f0f2f5;
            --bg-card: #ffffff;
            --bg-dark: #0f0e17;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #8a8aaa;
            --text-white: #ffffff;
            --border-color: #e8e8f0;
            --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 26, 46, 0.08);
            --shadow-lg: 0 20px 60px rgba(26, 26, 46, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-base);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover {
            color: var(--secondary);
        }

        button,
        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        .container-fluid {
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 48px;
            line-height: 1.6;
        }

        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(135deg, var(--secondary), #ff6b6b);
            border-radius: 4px;
            margin-bottom: 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-bottom: 1px solid rgba(232, 232, 240, 0.6);
            transition: var(--transition);
            box-shadow: 0 1px 20px rgba(26, 26, 46, 0.04);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 30px rgba(26, 26, 46, 0.08);
        }

        .navbar {
            padding: 12px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            padding: 0;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--secondary), #ff6b6b);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
        }

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

        .nav-item {
            position: relative;
        }

        .nav-link {
            padding: 8px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover,
        .nav-link:focus {
            color: var(--primary);
            background: rgba(26, 26, 46, 0.04);
        }

        .nav-link.active {
            color: var(--secondary);
            background: rgba(233, 69, 96, 0.08);
            font-weight: 600;
        }

        .nav-cta {
            padding: 8px 22px;
            background: linear-gradient(135deg, var(--secondary), #ff6b6b);
            color: #fff !important;
            border-radius: 50px;
            font-weight: 600;
            margin-left: 8px;
            box-shadow: 0 4px 15px rgba(233, 69, 96, 0.25);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(233, 69, 96, 0.35);
            background: linear-gradient(135deg, #d63850, #e94560);
            color: #fff !important;
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 8px;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            display: none;
        }

        .navbar-toggler:focus {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: var(--primary);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.92) 0%, rgba(15, 52, 96, 0.75) 50%, rgba(26, 26, 46, 0.88) 100%);
            z-index: 1;
        }

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

        .hero-content {
            max-width: 780px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(233, 69, 96, 0.18);
            border: 1px solid rgba(233, 69, 96, 0.3);
            border-radius: 50px;
            color: #ff8a8a;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-title {
            font-size: 3.6rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--secondary), #ff8a8a, #f5a623);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .btn-hero-primary {
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--secondary), #ff6b6b);
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(233, 69, 96, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(233, 69, 96, 0.4);
            color: #fff;
        }

        .btn-hero-secondary {
            padding: 14px 36px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            backdrop-filter: blur(8px);
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat-number span {
            color: var(--secondary);
        }

        .hero-stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ===== Intro Section ===== */
        .intro-section {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
        }

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

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

        .intro-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: var(--transition);
        }

        .intro-image:hover img {
            transform: scale(1.02);
        }

        .intro-text .section-title {
            margin-top: 0;
        }

        .intro-text p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 28px;
        }

        .intro-feature {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            background: var(--bg-body);
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-primary);
        }

        .intro-feature i {
            color: var(--secondary);
            font-size: 1.1rem;
            width: 20px;
            text-align: center;
        }

        /* ===== Categories Section ===== */
        .categories-section {
            background: var(--bg-body);
        }

        .categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }

        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            cursor: pointer;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(233, 69, 96, 0.2);
        }

        .category-card-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

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

        .category-card-image .category-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 4px 14px;
            background: rgba(233, 69, 96, 0.9);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }

        .category-card-body {
            padding: 22px 24px 26px;
        }

        .category-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .category-card-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .category-card-body .btn-outline {
            padding: 6px 20px;
            border: 2px solid var(--primary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .category-card-body .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Latest News Section ===== */
        .news-section {
            background: var(--bg-card);
        }

        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--bg-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .news-item:hover {
            border-color: var(--border-color);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .news-item-thumb {
            width: 120px;
            min-width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item-content {
            flex: 1;
            min-width: 0;
        }

        .news-item-content .news-category {
            display: inline-block;
            padding: 2px 12px;
            background: rgba(233, 69, 96, 0.1);
            color: var(--secondary);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 50px;
            margin-bottom: 8px;
        }

        .news-item-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item-content h4 a {
            color: inherit;
        }

        .news-item-content h4 a:hover {
            color: var(--secondary);
        }

        .news-item-content .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .news-item-content .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .news-item-content .news-meta i {
            margin-right: 4px;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .news-sidebar-card {
            background: var(--bg-body);
            border-radius: var(--radius-sm);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
        }

        .news-sidebar-card h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-color);
        }

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

        .sidebar-tag {
            padding: 4px 14px;
            background: rgba(26, 26, 46, 0.05);
            border-radius: 50px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .sidebar-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .sidebar-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sidebar-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .sidebar-link:hover {
            background: rgba(26, 26, 46, 0.04);
            color: var(--primary);
            padding-left: 16px;
        }

        .sidebar-link i {
            color: var(--secondary);
            font-size: 0.8rem;
            width: 16px;
        }

        /* ===== Features Section ===== */
        .features-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }

        .features-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(233, 69, 96, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .features-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(15, 52, 96, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

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

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

        .features-section .section-divider {
            background: linear-gradient(135deg, var(--secondary), #ff8a8a);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 28px;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-4px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, rgba(233, 69, 96, 0.2), rgba(255, 107, 107, 0.1));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--secondary);
        }

        .feature-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== Featured Picks Section ===== */
        .featured-section {
            background: var(--bg-body);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 28px;
        }

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

        .featured-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .featured-card-image {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

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

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

        .featured-card-image .featured-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            padding: 4px 16px;
            background: rgba(26, 26, 46, 0.85);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 50px;
        }

        .featured-card-body {
            padding: 24px 26px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-card-body .featured-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }

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

        .featured-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .featured-card-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .featured-card-body .btn-text {
            padding: 0;
            background: none;
            border: none;
            color: var(--secondary);
            font-weight: 600;
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            cursor: pointer;
        }

        .featured-card-body .btn-text:hover {
            gap: 12px;
            color: #d63850;
        }

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

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

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(233, 69, 96, 0.2);
        }

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

        .faq-question:hover {
            background: rgba(233, 69, 96, 0.04);
        }

        .faq-question i {
            color: var(--secondary);
            transition: var(--transition);
            font-size: 0.85rem;
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            background: var(--bg-body);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

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

        .cta-content {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
            line-height: 1.7;
        }

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

        .btn-cta-primary {
            padding: 14px 40px;
            background: linear-gradient(135deg, var(--secondary), #ff6b6b);
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(233, 69, 96, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(233, 69, 96, 0.4);
            color: #fff;
        }

        .btn-cta-secondary {
            padding: 14px 40px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            backdrop-filter: blur(8px);
        }

        .btn-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .navbar-brand {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 1rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-social a:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
            transform: translateY(-3px);
        }

        .footer-col h6 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

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

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

        /* ===== Scroll to Top ===== */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--secondary), #ff6b6b);
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 8px 25px rgba(233, 69, 96, 0.3);
            transition: var(--transition);
            z-index: 1040;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .scroll-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 35px rgba(233, 69, 96, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.8rem;
            }

            .intro-grid {
                gap: 40px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }

            .navbar-collapse {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                padding: 16px 24px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
            }

            .navbar-collapse.open {
                display: block;
            }

            .navbar-nav {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }

            .nav-link {
                width: 100%;
                padding: 12px 16px;
            }

            .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                width: 100%;
            }

            .hero {
                min-height: 80vh;
                padding: 120px 0 60px;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .hero-desc {
                font-size: 1rem;
            }

            .hero-stats {
                gap: 24px;
                margin-top: 36px;
                padding-top: 28px;
            }

            .hero-stat-number {
                font-size: 1.6rem;
            }

            .section-padding {
                padding: 56px 0;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .intro-image img {
                height: 280px;
            }

            .intro-features {
                grid-template-columns: 1fr;
            }

            .categories-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .news-item {
                flex-direction: column;
            }

            .news-item-thumb {
                width: 100%;
                height: 180px;
            }

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

            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .cta-content h2 {
                font-size: 1.8rem;
            }

            .faq-question {
                font-size: 0.95rem;
                padding: 16px 18px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

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

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

            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .section-title {
                font-size: 1.4rem;
            }

            .navbar-brand {
                font-size: 1.2rem;
            }

            .navbar-brand .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 360px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-title {
                font-size: 1.5rem;
            }

            .featured-card-image {
                height: 180px;
            }
        }

        /* ===== Utility ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--secondary), #ff8a8a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .bg-soft-primary {
            background: rgba(26, 26, 46, 0.03);
        }

        .rounded-full {
            border-radius: 9999px;
        }

        .shadow-hover {
            transition: var(--transition);
        }

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

        /* focus-visible for accessibility */
        :focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        /* Empty state */
        .empty-state {
            padding: 40px 20px;
            text-align: center;
            color: var(--text-light);
            background: var(--bg-body);
            border-radius: var(--radius-sm);
            border: 1px dashed var(--border-color);
        }

        .empty-state i {
            font-size: 2rem;
            margin-bottom: 12px;
            color: var(--text-light);
        }

        .empty-state p {
            font-size: 0.95rem;
            margin-bottom: 0;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2a5c8a;
            --primary-dark: #1a3f5f;
            --primary-light: #4a8bc2;
            --primary-subtle: rgba(42, 92, 138, 0.08);
            --accent: #e8a838;
            --accent-dark: #c88a1e;
            --accent-light: #f5c96a;
            --bg-body: #f8f9fa;
            --bg-white: #ffffff;
            --bg-soft: #f0f4f8;
            --bg-card: #ffffff;
            --text-primary: #1a2a3a;
            --text-secondary: #4a5a6a;
            --text-muted: #8a9aaa;
            --text-light: #b0c0d0;
            --text-on-primary: #ffffff;
            --border-color: #e2e8f0;
            --border-light: #eef2f6;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 58, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 42, 58, 0.08);
            --shadow-lg: 0 16px 48px rgba(26, 42, 58, 0.12);
            --shadow-xl: 0 24px 64px rgba(26, 42, 58, 0.16);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-base: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
            --font-heading: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Georgia', serif;
            --spacer: 1rem;
            --max-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-base);
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 4px;
            border-radius: 4px;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            padding-left: 1.25rem;
            padding-right: 1.25rem;
            margin: 0 auto;
        }

        .container-narrow {
            max-width: 820px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== 导航 Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px) saturate(180%);
            -webkit-backdrop-filter: blur(12px) saturate(180%);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 20px rgba(26, 42, 58, 0.04);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(26, 42, 58, 0.08);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem 0;
            min-height: 68px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.3px;
            transition: var(--transition);
        }
        .navbar-brand:hover {
            color: var(--primary);
            transform: translateY(-1px);
        }
        .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-primary);
            padding: 0.25rem 0.5rem;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .navbar-toggler:hover {
            color: var(--primary);
            background: var(--primary-subtle);
        }

        .navbar-collapse {
            display: flex;
            align-items: center;
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            margin: 0;
            padding: 0;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            display: block;
            padding: 0.6rem 1.1rem;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.2px;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-subtle);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-subtle);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-link.nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 0.6rem 1.4rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 14px rgba(42, 92, 138, 0.25);
        }
        .nav-link.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(42, 92, 138, 0.35);
        }
        .nav-link.nav-cta i {
            font-size: 0.9rem;
        }

        /* ===== 分类页横幅 Banner ===== */
        .category-banner {
            position: relative;
            padding: 4.5rem 0 4rem;
            background: linear-gradient(135deg, #1a3f5f 0%, #2a5c8a 50%, #4a8bc2 100%);
            overflow: hidden;
            isolation: isolate;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.2;
            z-index: 0;
            mix-blend-mode: overlay;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 70%, rgba(232, 168, 56, 0.15), transparent 60%);
            z-index: 1;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .category-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 0.75rem;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .category-banner .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .category-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: var(--transition);
        }
        .category-banner .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .category-banner .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
            margin: 0 0.25rem;
        }
        .category-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.7;
        }
        .category-banner .banner-stats {
            display: flex;
            gap: 2.5rem;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }
        .category-banner .stat-item {
            display: flex;
            flex-direction: column;
        }
        .category-banner .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-light);
            line-height: 1.2;
        }
        .category-banner .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.15rem;
        }
        .banner-wave {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 60px;
            z-index: 2;
            fill: var(--bg-body);
        }

        /* ===== 分类副导航 ===== */
        .category-subnav {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 0.75rem 0;
            box-shadow: var(--shadow-sm);
        }
        .category-subnav .subnav-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
        }
        .category-subnav .subnav-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 0.5rem;
            white-space: nowrap;
        }
        .category-subnav .subnav-tag {
            display: inline-block;
            padding: 0.35rem 1rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-soft);
            border-radius: 100px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-subnav .subnav-tag:hover {
            background: var(--primary-subtle);
            color: var(--primary);
            border-color: var(--primary-light);
        }
        .category-subnav .subnav-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .category-subnav .subnav-tag i {
            margin-right: 0.35rem;
            font-size: 0.75rem;
        }

        /* ===== 内容网格 ===== */
        .section-content {
            padding: 3.5rem 0 4rem;
        }

        .section-header {
            margin-bottom: 2.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 1rem;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            line-height: 1.3;
        }
        .section-header h2 i {
            color: var(--primary-light);
            margin-right: 0.5rem;
        }
        .section-header .section-more {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: var(--transition);
        }
        .section-header .section-more:hover {
            color: var(--primary-dark);
            gap: 0.7rem;
        }

        /* ===== 文章卡片 ===== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }

        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .article-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-soft);
        }
        .article-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .article-card .card-img-overlay {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .article-card .card-badge {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            font-size: 0.7rem;
            font-weight: 600;
            border-radius: 100px;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(4px);
            color: #fff;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .article-card .card-badge.hot {
            background: rgba(232, 168, 56, 0.85);
        }
        .article-card .card-badge.new {
            background: rgba(42, 92, 138, 0.85);
        }
        .article-card .card-badge.exclusive {
            background: rgba(200, 138, 30, 0.85);
        }
        .article-card .card-body {
            padding: 1.25rem 1.4rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.6rem;
        }
        .article-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .article-card .card-meta i {
            font-size: 0.7rem;
            color: var(--primary-light);
        }
        .article-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card:hover .card-title {
            color: var(--primary);
        }
        .article-card .card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.75rem;
        }
        .article-card .card-footer {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-light);
        }
        .article-card .card-footer .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: var(--transition);
        }
        .article-card .card-footer .read-more:hover {
            gap: 0.7rem;
            color: var(--primary-dark);
        }
        .article-card .card-footer .card-tags {
            display: flex;
            gap: 0.4rem;
            flex-wrap: wrap;
        }
        .article-card .card-footer .card-tags .tag {
            font-size: 0.7rem;
            padding: 0.15rem 0.55rem;
            border-radius: 100px;
            background: var(--primary-subtle);
            color: var(--primary);
            font-weight: 500;
        }

        /* ===== 特色文章 - 大卡片 ===== */
        .featured-article {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            margin-bottom: 2.5rem;
            transition: var(--transition);
        }
        .featured-article:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .featured-article .featured-img {
            position: relative;
            min-height: 320px;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .featured-article .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            transition: transform 0.6s ease;
        }
        .featured-article:hover .featured-img img {
            transform: scale(1.04);
        }
        .featured-article .featured-body {
            padding: 2rem 2rem 2rem 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-article .featured-body .featured-label {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(232, 168, 56, 0.12);
            padding: 0.3rem 1rem;
            border-radius: 100px;
            margin-bottom: 0.75rem;
            width: fit-content;
        }
        .featured-article .featured-body h3 {
            font-size: 1.6rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }
        .featured-article .featured-body p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }
        .featured-article .featured-body .featured-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        .featured-article .featured-body .featured-meta i {
            color: var(--primary-light);
            margin-right: 0.3rem;
        }
        .featured-article .featured-body .btn-featured {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.7rem 1.8rem;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            transition: var(--transition);
            width: fit-content;
            box-shadow: 0 4px 14px rgba(42, 92, 138, 0.25);
        }
        .featured-article .featured-body .btn-featured:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(42, 92, 138, 0.35);
            color: #fff;
        }

        /* ===== 资讯排行榜 ===== */
        .rank-section {
            background: var(--bg-white);
            padding: 3.5rem 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .rank-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
        }
        .rank-card {
            background: var(--bg-soft);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.75rem;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .rank-card:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .rank-card .rank-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.25rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--border-color);
        }
        .rank-card .rank-header h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .rank-card .rank-header h4 i {
            color: var(--accent);
        }
        .rank-card .rank-header .rank-more {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .rank-card .rank-header .rank-more:hover {
            color: var(--primary);
        }
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.5rem 0.75rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
        }
        .rank-item:hover {
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }
        .rank-item .rank-num {
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-secondary);
            background: var(--border-color);
            flex-shrink: 0;
        }
        .rank-item:nth-child(1) .rank-num {
            background: var(--accent);
            color: #fff;
        }
        .rank-item:nth-child(2) .rank-num {
            background: rgba(232, 168, 56, 0.7);
            color: #fff;
        }
        .rank-item:nth-child(3) .rank-num {
            background: rgba(232, 168, 56, 0.4);
            color: #fff;
        }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-info .rank-title {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 0.1rem;
        }
        .rank-item .rank-info .rank-sub {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .rank-item .rank-hot {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-dark);
            white-space: nowrap;
        }

        /* ===== 最新动态列表 ===== */
        .news-list-section {
            padding: 3.5rem 0 4rem;
            background: var(--bg-body);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .news-list-item {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            padding: 1rem 1.25rem;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-list-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .news-list-item .news-time {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
            min-width: 70px;
            flex-shrink: 0;
        }
        .news-list-item .news-cat {
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.2rem 0.6rem;
            border-radius: 100px;
            background: var(--primary-subtle);
            color: var(--primary);
            flex-shrink: 0;
        }
        .news-list-item .news-title {
            flex: 1;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-primary);
            transition: var(--transition);
            min-width: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-list-item:hover .news-title {
            color: var(--primary);
        }
        .news-list-item .news-link {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .news-list-item:hover .news-link {
            color: var(--primary);
        }

        /* ===== 资讯分类标签 ===== */
        .tag-cloud-section {
            padding: 2.5rem 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            align-items: center;
        }
        .tag-cloud .tag-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 0.5rem;
        }
        .tag-cloud .tag-item {
            display: inline-block;
            padding: 0.4rem 1.1rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-soft);
            border-radius: 100px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .tag-cloud .tag-item:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(42, 92, 138, 0.25);
        }
        .tag-cloud .tag-item.tag-lg {
            font-size: 1rem;
            padding: 0.5rem 1.4rem;
        }
        .tag-cloud .tag-item.tag-md {
            font-size: 0.9rem;
        }
        .tag-cloud .tag-item.tag-sm {
            font-size: 0.75rem;
            padding: 0.25rem 0.8rem;
        }

        /* ===== 分页 ===== */
        .pagination-wrap {
            margin-top: 2.5rem;
            display: flex;
            justify-content: center;
        }
        .pagination-wrap .pagination {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .pagination-wrap .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .pagination-wrap .page-link:hover {
            background: var(--primary-subtle);
            color: var(--primary);
            border-color: var(--primary-light);
        }
        .pagination-wrap .page-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(42, 92, 138, 0.25);
        }
        .pagination-wrap .page-link.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            padding: 4rem 0;
            background: linear-gradient(135deg, #1a3f5f, #2a5c8a);
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 0;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: -0.3px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 580px;
            margin: 0 auto 1.75rem;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.9rem 2.4rem;
            background: var(--accent);
            color: #1a2a3a;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(232, 168, 56, 0.35);
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(232, 168, 56, 0.45);
            color: #1a2a3a;
        }
        .cta-section .btn-cta i {
            font-size: 1rem;
        }

        /* ===== 页脚 Footer ===== */
        .site-footer {
            background: #1a2a3a;
            color: rgba(255, 255, 255, 0.8);
            padding: 3.5rem 0 1.5rem;
        }
        .site-footer .navbar-brand {
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .site-footer .navbar-brand:hover {
            color: var(--accent-light);
        }
        .site-footer .navbar-brand .brand-icon {
            background: var(--accent);
            color: #1a2a3a;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 0.5rem;
            max-width: 360px;
        }
        .footer-social {
            display: flex;
            gap: 0.75rem;
            margin-top: 1.25rem;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--accent);
            color: #1a2a3a;
            transform: translateY(-3px);
        }
        .footer-col h6 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
            transform: translateX(4px);
        }
        .footer-col ul li a i {
            font-size: 0.6rem;
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-article {
                grid-template-columns: 1fr;
            }
            .featured-article .featured-body {
                padding: 1.5rem 1.75rem;
            }
            .featured-article .featured-img {
                min-height: 240px;
            }
            .rank-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .category-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }
            .navbar-collapse {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid var(--border-light);
                margin-top: 0.5rem;
            }
            .navbar-collapse.show {
                display: flex;
            }
            .navbar-nav {
                flex-direction: column;
                width: 100%;
                gap: 0.15rem;
            }
            .nav-link {
                padding: 0.7rem 1rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.nav-cta {
                justify-content: center;
                margin-top: 0.5rem;
            }

            .category-banner {
                padding: 3rem 0 2.5rem;
            }
            .category-banner h1 {
                font-size: 1.8rem;
            }
            .category-banner p {
                font-size: 1rem;
            }
            .category-banner .banner-stats {
                gap: 1.5rem;
                flex-wrap: wrap;
            }

            .article-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .featured-article .featured-body h3 {
                font-size: 1.3rem;
            }

            .rank-grid {
                gap: 1.25rem;
            }
            .rank-card {
                padding: 1.2rem 1.25rem;
            }

            .news-list-item {
                flex-wrap: wrap;
                gap: 0.5rem;
                padding: 0.75rem 1rem;
            }
            .news-list-item .news-time {
                min-width: auto;
                font-size: 0.75rem;
            }
            .news-list-item .news-title {
                white-space: normal;
                width: 100%;
                order: 1;
                font-size: 0.9rem;
            }
            .news-list-item .news-link {
                margin-left: auto;
            }

            .tag-cloud {
                gap: 0.4rem;
            }

            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
            .cta-section .btn-cta {
                padding: 0.8rem 1.8rem;
                font-size: 0.95rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner .stat-number {
                font-size: 1.4rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .featured-article .featured-body {
                padding: 1.2rem 1.25rem;
            }
            .featured-article .featured-body h3 {
                font-size: 1.15rem;
            }
            .rank-card .rank-header h4 {
                font-size: 1rem;
            }
            .pagination-wrap .page-link {
                width: 36px;
                height: 36px;
                font-size: 0.8rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== 辅助类 ===== */
        .text-accent {
            color: var(--accent);
        }
        .bg-soft {
            background: var(--bg-soft);
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mt-3 {
            margin-top: 1.5rem;
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .fw-600 {
            font-weight: 600;
        }
        .d-none {
            display: none;
        }
        .d-flex {
            display: flex;
        }
        .align-center {
            align-items: center;
        }
        .justify-between {
            justify-content: space-between;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }

/* roulang page: article */
:root {
            --primary: #0f0f1a;
            --primary-light: #1a1a2e;
            --accent: #e8a838;
            --accent-hover: #d4942e;
            --accent-light: #f5d080;
            --bg-body: #f4f5f7;
            --bg-dark: #0a0a14;
            --bg-card: #ffffff;
            --bg-section-alt: #eef0f2;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-muted: #7a7a8a;
            --text-light: #f8f9fa;
            --text-accent: #e8a838;
            --border-color: #e2e4e8;
            --border-radius: 12px;
            --border-radius-sm: 8px;
            --border-radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.15);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.18);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body { font-family: var(--font-sans); background: var(--bg-body); color: var(--text-primary); line-height: 1.7; font-size: 1rem; }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-hover); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--border-radius-sm); }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); margin-bottom: 0.75rem; }
        h1 { font-size: 2.4rem; letter-spacing: -0.02em; }
        h2 { font-size: 2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; }

        /* Header & Nav */
        .site-header { background: var(--primary); position: sticky; top: 0; z-index: 1050; box-shadow: 0 2px 20px rgba(0,0,0,0.3); border-bottom: 1px solid rgba(232,168,56,0.15); }
        .navbar { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 0; min-height: 70px; }
        .navbar-brand { display: flex; align-items: center; gap: 10px; font-size: 1.4rem; font-weight: 800; color: var(--text-light); letter-spacing: -0.01em; text-decoration: none; transition: var(--transition); }
        .navbar-brand:hover { color: var(--accent); transform: scale(1.02); }
        .brand-icon { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: var(--accent); color: var(--primary); border-radius: 10px; font-size: 1.2rem; font-weight: 900; box-shadow: 0 4px 12px rgba(232,168,56,0.3); }
        .navbar-toggler { display: none; background: none; border: none; color: var(--text-light); font-size: 1.5rem; cursor: pointer; padding: 6px 12px; border-radius: var(--border-radius-sm); transition: var(--transition); }
        .navbar-toggler:hover { background: rgba(255,255,255,0.08); }
        .navbar-collapse { display: flex; align-items: center; }
        .navbar-nav { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; gap: 6px; }
        .nav-item { position: relative; }
        .nav-link { display: inline-flex; align-items: center; gap: 6px; padding: 0.5rem 1rem; font-size: 0.95rem; font-weight: 500; color: rgba(255,255,255,0.75); border-radius: var(--border-radius-sm); transition: var(--transition); position: relative; text-decoration: none; }
        .nav-link:hover { color: var(--text-light); background: rgba(255,255,255,0.08); transform: translateY(-1px); }
        .nav-link.active { color: var(--accent); background: rgba(232,168,56,0.12); }
        .nav-link.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--accent); border-radius: 4px; }
        .nav-link.nav-cta { background: var(--accent); color: var(--primary); font-weight: 700; padding: 0.5rem 1.4rem; border-radius: 50px; box-shadow: 0 4px 16px rgba(232,168,56,0.3); }
        .nav-link.nav-cta:hover { background: var(--accent-hover); color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,168,56,0.4); }

        /* Article Banner */
        .article-banner { position: relative; padding: 100px 0 80px; background: linear-gradient(135deg, rgba(15,15,26,0.92) 0%, rgba(26,26,46,0.85) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat; overflow: hidden; }
        .article-banner::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 20% 50%, rgba(232,168,56,0.10) 0%, transparent 60%); }
        .article-banner .container { position: relative; z-index: 2; }
        .article-banner .breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 1.5rem; font-size: 0.9rem; color: rgba(255,255,255,0.6); }
        .article-banner .breadcrumb a { color: rgba(255,255,255,0.7); text-decoration: none; transition: var(--transition); }
        .article-banner .breadcrumb a:hover { color: var(--accent); }
        .article-banner .breadcrumb .separator { color: rgba(255,255,255,0.3); }
        .article-banner .post-category { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: var(--primary); padding: 6px 18px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; margin-bottom: 1rem; }
        .article-banner h1 { font-size: 2.8rem; font-weight: 800; color: var(--text-light); max-width: 900px; line-height: 1.25; letter-spacing: -0.02em; margin-bottom: 1rem; text-shadow: 0 2px 20px rgba(0,0,0,0.3); }
        .article-banner .post-meta { display: flex; align-items: center; gap: 20px; color: rgba(255,255,255,0.65); font-size: 0.95rem; margin-top: 0.5rem; }
        .article-banner .post-meta i { color: var(--accent); margin-right: 4px; }

        /* Breadcrumb Section */
        .breadcrumb-section { background: var(--bg-card); border-bottom: 1px solid var(--border-color); padding: 12px 0; }
        .breadcrumb-section .breadcrumb-inner { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--text-muted); }
        .breadcrumb-section .breadcrumb-inner a { color: var(--text-secondary); text-decoration: none; transition: var(--transition); }
        .breadcrumb-section .breadcrumb-inner a:hover { color: var(--accent); }
        .breadcrumb-section .breadcrumb-inner .sep { color: var(--border-color); }

        /* Article Content */
        .article-content-section { padding: 60px 0; background: var(--bg-body); }
        .article-content-wrapper { background: var(--bg-card); border-radius: var(--border-radius); box-shadow: var(--shadow-sm); padding: 48px; border: 1px solid var(--border-color); }
        .article-content-wrapper .article-body { font-size: 1.05rem; line-height: 1.9; color: var(--text-secondary); }
        .article-content-wrapper .article-body h2, .article-content-wrapper .article-body h3 { color: var(--text-primary); margin-top: 2rem; }
        .article-content-wrapper .article-body p { margin-bottom: 1.2rem; }
        .article-content-wrapper .article-body img { border-radius: var(--border-radius-sm); margin: 1.5rem 0; box-shadow: var(--shadow-sm); }
        .article-content-wrapper .article-body blockquote { border-left: 4px solid var(--accent); background: var(--bg-section-alt); padding: 1.2rem 1.8rem; margin: 1.5rem 0; border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0; color: var(--text-secondary); font-style: italic; }
        .article-content-wrapper .article-body ul, .article-content-wrapper .article-body ol { margin-bottom: 1.2rem; padding-left: 1.5rem; }
        .article-content-wrapper .article-body li { margin-bottom: 0.5rem; }
        .article-content-wrapper .article-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
        .article-content-wrapper .article-body a:hover { color: var(--accent-hover); }
        .article-content-wrapper .article-body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
        .article-content-wrapper .article-body th, .article-content-wrapper .article-body td { padding: 12px 16px; border: 1px solid var(--border-color); text-align: left; }
        .article-content-wrapper .article-body th { background: var(--bg-section-alt); font-weight: 600; color: var(--text-primary); }
        .article-content-wrapper .article-body code { background: var(--bg-section-alt); padding: 2px 8px; border-radius: 4px; font-size: 0.9em; color: var(--accent); }
        .article-content-wrapper .article-body pre { background: var(--primary); color: var(--text-light); padding: 1.5rem; border-radius: var(--border-radius-sm); overflow-x: auto; margin: 1.5rem 0; }

        .article-not-found { text-align: center; padding: 80px 20px; }
        .article-not-found .icon { font-size: 4rem; color: var(--text-muted); margin-bottom: 1.5rem; }
        .article-not-found h3 { font-size: 1.8rem; margin-bottom: 1rem; }
        .article-not-found p { color: var(--text-muted); margin-bottom: 2rem; }
        .article-not-found .btn-home { display: inline-flex; align-items: center; gap: 8px; padding: 12px 32px; background: var(--accent); color: var(--primary); border-radius: 50px; font-weight: 600; text-decoration: none; transition: var(--transition); }
        .article-not-found .btn-home:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,168,56,0.3); }

        /* Tags & Share */
        .article-tags-share { padding: 20px 0 40px; background: var(--bg-body); }
        .article-tags-share .inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; background: var(--bg-card); padding: 20px 32px; border-radius: var(--border-radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); }
        .article-tags-share .tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-tags-share .tags .tag { display: inline-flex; align-items: center; gap: 4px; padding: 6px 16px; background: var(--bg-section-alt); border-radius: 50px; font-size: 0.85rem; color: var(--text-secondary); text-decoration: none; transition: var(--transition); }
        .article-tags-share .tags .tag:hover { background: var(--accent); color: var(--primary); }
        .article-tags-share .share { display: flex; align-items: center; gap: 10px; }
        .article-tags-share .share span { font-size: 0.9rem; color: var(--text-muted); }
        .article-tags-share .share a { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--bg-section-alt); color: var(--text-secondary); transition: var(--transition); text-decoration: none; }
        .article-tags-share .share a:hover { background: var(--accent); color: var(--primary); transform: translateY(-2px); }

        /* Related Posts */
        .related-posts { padding: 60px 0; background: var(--bg-section-alt); }
        .related-posts .section-title { text-align: center; margin-bottom: 3rem; }
        .related-posts .section-title h2 { font-size: 2rem; font-weight: 700; }
        .related-posts .section-title p { color: var(--text-muted); max-width: 500px; margin: 0 auto; }
        .related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
        .related-card { background: var(--bg-card); border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); transition: var(--transition); text-decoration: none; display: flex; flex-direction: column; }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
        .related-card .card-img { height: 180px; background-size: cover; background-position: center; position: relative; }
        .related-card .card-img .overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 60%); }
        .related-card .card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
        .related-card .card-body .cat-tag { display: inline-block; font-size: 0.75rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
        .related-card .card-body h4 { font-size: 1.05rem; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; line-height: 1.4; transition: var(--transition); }
        .related-card:hover .card-body h4 { color: var(--accent); }
        .related-card .card-body p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 12px; flex: 1; }
        .related-card .card-body .meta { font-size: 0.8rem; color: var(--text-muted); display: flex; align-items: center; gap: 12px; }
        .related-card .card-body .meta i { color: var(--accent); }
        .related-empty { text-align: center; padding: 40px 20px; color: var(--text-muted); font-size: 1.1rem; }

        /* CTA Section */
        .cta-section { padding: 80px 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); position: relative; overflow: hidden; }
        .cta-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 80% 20%, rgba(232,168,56,0.08) 0%, transparent 60%); }
        .cta-section .container { position: relative; z-index: 2; text-align: center; }
        .cta-section h2 { font-size: 2.2rem; font-weight: 700; color: var(--text-light); margin-bottom: 1rem; }
        .cta-section p { color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 2rem; font-size: 1.1rem; }
        .cta-section .cta-btn { display: inline-flex; align-items: center; gap: 10px; padding: 16px 40px; background: var(--accent); color: var(--primary); border-radius: 50px; font-weight: 700; font-size: 1.05rem; text-decoration: none; transition: var(--transition); box-shadow: 0 8px 30px rgba(232,168,56,0.3); }
        .cta-section .cta-btn:hover { background: var(--accent-hover); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(232,168,56,0.4); color: var(--primary); }
        .cta-section .cta-btn i { transition: var(--transition); }
        .cta-section .cta-btn:hover i { transform: translateX(4px); }
        .cta-section .cta-note { margin-top: 1.2rem; font-size: 0.9rem; color: rgba(255,255,255,0.4); }

        /* Footer */
        .site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; border-top: 1px solid rgba(232,168,56,0.1); }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .navbar-brand { font-size: 1.3rem; margin-bottom: 1rem; display: inline-flex; }
        .footer-brand p { font-size: 0.95rem; color: rgba(255,255,255,0.55); max-width: 360px; line-height: 1.7; }
        .footer-social { display: flex; gap: 12px; margin-top: 1.2rem; }
        .footer-social a { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.6); text-decoration: none; transition: var(--transition); }
        .footer-social a:hover { background: var(--accent); color: var(--primary); transform: translateY(-3px); }
        .footer-col h6 { font-size: 1rem; font-weight: 600; color: var(--text-light); margin-bottom: 1.2rem; position: relative; padding-bottom: 8px; }
        .footer-col h6::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--accent); border-radius: 2px; }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { color: rgba(255,255,255,0.55); text-decoration: none; font-size: 0.9rem; transition: var(--transition); display: inline-flex; align-items: center; gap: 6px; }
        .footer-col ul li a i { font-size: 0.6rem; color: var(--accent); transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-col ul li a:hover i { transform: translateX(2px); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.35); }
        .footer-bottom a { color: rgba(255,255,255,0.45); text-decoration: none; transition: var(--transition); }
        .footer-bottom a:hover { color: var(--accent); }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .article-banner h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .navbar-toggler { display: block; }
            .navbar-collapse { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--primary); flex-direction: column; padding: 16px 24px; border-bottom: 2px solid var(--accent); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
            .navbar-collapse.show { display: flex; }
            .navbar-nav { flex-direction: column; width: 100%; gap: 4px; }
            .nav-link { width: 100%; padding: 12px 16px; justify-content: flex-start; }
            .nav-link.active::after { display: none; }
            .nav-link.nav-cta { justify-content: center; }
            .article-banner { padding: 60px 0 50px; }
            .article-banner h1 { font-size: 1.8rem; }
            .article-content-wrapper { padding: 24px; }
            .article-tags-share .inner { flex-direction: column; align-items: flex-start; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .related-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-banner h1 { font-size: 1.5rem; }
            .article-content-wrapper { padding: 16px; }
            .related-grid { grid-template-columns: 1fr; }
            .article-banner .post-meta { flex-wrap: wrap; gap: 10px; }
            .cta-section h2 { font-size: 1.6rem; }
        }

        /* Back to top (floating) */
        .back-to-top { position: fixed; bottom: 30px; right: 30px; width: 48px; height: 48px; background: var(--accent); color: var(--primary); border: none; border-radius: 50%; font-size: 1.2rem; cursor: pointer; box-shadow: var(--shadow-md); transition: var(--transition); z-index: 999; display: flex; align-items: center; justify-content: center; text-decoration: none; }
        .back-to-top:hover { background: var(--accent-hover); transform: translateY(-4px); box-shadow: var(--shadow-lg); color: var(--primary); }

        /* Bootstrap overrides */
        .btn-primary { background: var(--accent); border-color: var(--accent); color: var(--primary); font-weight: 600; border-radius: 50px; padding: 10px 24px; transition: var(--transition); }
        .btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,168,56,0.3); }
        .btn-outline-light { border-color: rgba(255,255,255,0.3); color: var(--text-light); border-radius: 50px; }
        .btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: var(--text-light); }
        .badge { border-radius: 50px; font-weight: 500; padding: 6px 14px; }
        .badge-accent { background: var(--accent); color: var(--primary); }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --primary-soft: #dbeafe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-soft: #fef3c7;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --bg-alt: #f1f5f9;
            --bg-dark: #0f172a;
            --bg-dark-secondary: #1e293b;
            --text-dark: #0f172a;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --text-white: #f8fafc;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.16);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-body);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 排版辅助 ===== */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 12px;
        }
        .section-label i {
            font-size: 0.75rem;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .section-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.6;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-sub {
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-sub {
                font-size: 1rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.3;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1.5px solid var(--border);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: #1e293b;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.45);
            transform: translateY(-2px);
            color: #1e293b;
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* ===== 徽章 / 标签 ===== */
        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 50px;
            background: var(--bg-alt);
            color: var(--text-muted);
            transition: all var(--transition);
        }
        .badge-tag:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .badge-hot {
            background: #fee2e2;
            color: #dc2626;
        }
        .badge-new {
            background: #dbeafe;
            color: #2563eb;
        }
        .badge-update {
            background: #d1fae5;
            color: #059669;
        }
        .badge-event {
            background: #fef3c7;
            color: #d97706;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            height: var(--header-h);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-dark);
            text-decoration: none;
            flex-shrink: 0;
        }
        .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 700;
        }
        .navbar-collapse {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 50px;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--text-dark);
            background: var(--bg-alt);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 600;
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 8px 22px;
            box-shadow: 0 2px 10px rgba(37, 99, 235, 0.25);
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff !important;
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
            transform: translateY(-1px);
        }
        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .navbar-toggler:hover {
            background: var(--bg-alt);
        }
        .navbar-toggler:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        @media (max-width: 992px) {
            .navbar-toggler {
                display: block;
            }
            .navbar-collapse {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 24px 28px;
                gap: 12px;
                transform: translateX(100%);
                transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                z-index: 1040;
                overflow-y: auto;
                border-top: 1px solid var(--border);
            }
            .navbar-collapse.show {
                transform: translateX(0);
            }
            .navbar-nav {
                flex-direction: column;
                gap: 4px;
                width: 100%;
            }
            .nav-link {
                padding: 14px 20px;
                font-size: 1.05rem;
                width: 100%;
                border-radius: var(--radius-md);
            }
            .nav-cta {
                margin-top: 8px;
                text-align: center;
                justify-content: center;
            }
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 72px;
            background: var(--bg-dark);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .category-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            pointer-events: none;
        }
        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 41, 59, 0.70) 100%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .category-hero .hero-badge i {
            color: var(--accent);
        }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .category-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 60px 0 52px;
                min-height: 260px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
        }

        /* ===== 卡片 ===== */
        .card-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-alt);
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card-item:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-img-wrap .badge-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }
        .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .card-body .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body h3 a {
            color: inherit;
            text-decoration: none;
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .card-body .card-footer-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            transition: gap var(--transition);
        }
        .card-body .card-footer-link:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        /* ===== 列表项（动态列表） ===== */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .update-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .update-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--primary-soft);
            transform: translateX(4px);
        }
        .update-item .ui-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
        }
        .update-item .ui-icon.icon-version {
            background: #2563eb;
        }
        .update-item .ui-icon.icon-event {
            background: #f59e0b;
        }
        .update-item .ui-icon.icon-announce {
            background: #8b5cf6;
        }
        .update-item .ui-icon.icon-maintenance {
            background: #ef4444;
        }
        .update-item .ui-content {
            flex: 1;
            min-width: 0;
        }
        .update-item .ui-content .ui-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 4px;
        }
        .update-item .ui-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .update-item .ui-content h4 a {
            color: inherit;
            text-decoration: none;
        }
        .update-item .ui-content h4 a:hover {
            color: var(--primary);
        }
        .update-item .ui-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.5;
        }
        .update-item .ui-meta {
            flex-shrink: 0;
            text-align: right;
            font-size: 0.8rem;
            color: var(--text-light);
            white-space: nowrap;
        }
        @media (max-width: 640px) {
            .update-item {
                flex-wrap: wrap;
                padding: 16px 18px;
            }
            .update-item .ui-meta {
                width: 100%;
                text-align: left;
                padding-left: 60px;
                margin-top: 4px;
            }
        }

        /* ===== 统计数字 ===== */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
            border-color: var(--primary-soft);
        }
        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 0.92rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        @media (max-width: 992px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-soft);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 1.1rem;
            color: var(--text-muted);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.10;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .navbar-brand {
            color: var(--text-white);
            margin-bottom: 12px;
            font-size: 1.3rem;
        }
        .footer-brand .navbar-brand:hover {
            color: var(--primary-light);
        }
        .footer-brand p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.1rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h6 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .footer-col ul li a i {
            font-size: 0.6rem;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(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: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 发光分隔 ===== */
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 0 auto 16px;
        }

        /* ===== 面板额外 ===== */
        .bg-alt {
            background: var(--bg-alt);
        }
        .bg-white {
            background: var(--bg-white);
        }
        .py-5 {
            padding-top: 60px;
            padding-bottom: 60px;
        }
        .py-6 {
            padding-top: 80px;
            padding-bottom: 80px;
        }
        @media (max-width: 768px) {
            .py-5 {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .py-6 {
                padding-top: 48px;
                padding-bottom: 48px;
            }
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .text-center {
            text-align: center;
        }
        .gap-3 {
            gap: 16px;
        }
        .gap-4 {
            gap: 24px;
        }

        /* ===== 响应式卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 992px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== 分页 ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .pagination-wrap .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            border: 1px solid var(--border);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            text-decoration: none;
            transition: all var(--transition);
        }
        .pagination-wrap .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
        }
        .pagination-wrap .page-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .pagination-wrap .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== 动画入场 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }