/* roulang page: index */
:root {
            --primary: #0d223f;
            --primary-light: #1b3a5e;
            --accent: #ffc107;
            --accent-hover: #e0a800;
            --text: #212529;
            --text-light: #495057;
            --text-muted: #6c757d;
            --bg: #f8f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0a1a30;
            --border: rgba(0,0,0,0.08);
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 8px 30px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 36px rgba(0,0,0,0.12);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --header-height: 70px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--text);
            background: var(--bg);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section { padding: 80px 0; }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 48px;
            color: var(--primary);
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--accent);
            margin: 16px auto 0;
            border-radius: 2px;
        }
        .bg-light { background: var(--bg-white); }
        .bg-dark { background: var(--bg-dark); color: #fff; }
        .bg-primary { background: var(--primary); color: #fff; }
        .text-center { text-align: center; }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 50px;
            transition: all var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #000;
            border-color: var(--accent);
        }
        .btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255,193,7,0.3); }
        .btn-outline {
            background: transparent;
            border-color: rgba(255,255,255,0.7);
            color: #fff;
        }
        .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
        .btn-light { background: #fff; color: var(--primary); }
        .btn-light:hover { background: #f0f0f0; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255,255,255,0.2); }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 0; left: 0; width: 100%;
            z-index: 1000;
            background: rgba(13,34,63,0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: background 0.3s, backdrop-filter 0.3s;
        }
        .site-header.scrolled { background: rgba(13,34,63,0.98); backdrop-filter: blur(16px); }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i { color: var(--accent); font-size: 1.8rem; }
        .main-nav { display: flex; gap: 8px; }
        .nav-link {
            display: inline-block;
            padding: 8px 18px;
            font-weight: 500;
            color: rgba(255,255,255,0.85);
            border-radius: 24px;
            transition: all var(--transition);
            font-size: 0.95rem;
        }
        .nav-link:hover, .nav-link.active { background: rgba(255,255,255,0.15); color: #fff; }
        .nav-link.active { background: var(--accent); color: #000; font-weight: 600; }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Hero */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
            padding: 120px 20px 80px;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,26,48,0.85) 0%, rgba(13,34,63,0.7) 100%);
            z-index: 1;
        }
        .hero-content { position: relative; z-index: 2; max-width: 800px; }
        .hero h1 {
            font-size: clamp(2.5rem, 6vw, 3.8rem);
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        .hero-desc {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 36px;
            max-width: 600px;
            margin-left: auto; margin-right: auto;
        }
        .hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* 特色 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 32px;
        }
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 40px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            text-align: center;
            border: 1px solid var(--border);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .feature-img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 50%;
            margin: 0 auto 20px;
            border: 3px solid var(--accent);
        }
        .feature-card h3 { font-size: 1.3rem; margin-bottom: 12px; color: var(--primary); }
        .feature-card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.7; }

        /* 分类入口卡片 */
        .entry-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background-size: cover;
            background-position: center;
            padding: 60px 40px;
            display: flex;
            align-items: center;
            min-height: 300px;
        }
        .entry-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 100%);
            z-index: 1;
        }
        .entry-content {
            position: relative;
            z-index: 2;
            max-width: 500px;
            color: #fff;
        }
        .entry-content h2 { font-size: 2rem; margin-bottom: 16px; }
        .entry-content p { margin-bottom: 24px; opacity: 0.9; }

        /* 新闻列表 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 32px;
        }
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
        .news-img-link { display: block; overflow: hidden; }
        .news-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .news-img { transform: scale(1.05); }
        .news-body { padding: 20px; }
        .news-cat {
            display: inline-block;
            background: var(--accent);
            color: #000;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        .news-body h3 { font-size: 1.1rem; margin-bottom: 8px; line-height: 1.4; }
        .news-body h3 a { color: var(--primary); }
        .news-body h3 a:hover { color: var(--accent-hover); }
        .news-excerpt {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-body time { font-size: 0.8rem; color: var(--text-muted); }
        .no-news {
            grid-column: 1 / -1;
            text-align: center;
            font-size: 1.1rem;
            color: var(--text-muted);
            padding: 40px 0;
        }

        /* 数据统计 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 35px;
            text-align: center;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }
        .stat-label { font-size: 1rem; color: rgba(255,255,255,0.8); margin-top: 8px; }

        /* FAQ */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            padding: 24px 28px;
            margin-bottom: 16px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); box-shadow: 0 4px 15px rgba(0,0,0,0.04); }
        .faq-question { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; color: var(--primary); }
        .faq-answer { color: var(--text-light); line-height: 1.7; }

        /* CTA */
        .cta h2 { font-size: 2rem; margin-bottom: 12px; }
        .cta p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 28px; }

        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 0;
            font-size: 0.95rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-col h4 { color: #fff; margin-bottom: 16px; font-size: 1rem; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col a:hover { color: var(--accent); }
        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .section { padding: 60px 0; }
            .section-title { font-size: 1.8rem; margin-bottom: 36px; }
        }
        @media (max-width: 768px) {
            :root { --header-height: 60px; }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(10,26,48,0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 0;
                border-top: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav.active { display: flex; }
            .nav-link { width: 100%; text-align: center; padding: 12px; border-radius: 0; }
            .mobile-menu-btn { display: block; }
            .hero { min-height: 90vh; }
            .hero h1 { font-size: 2.2rem; }
            .hero-desc { font-size: 1rem; }
            .features-grid { grid-template-columns: 1fr; }
            .entry-card { padding: 40px 24px; min-height: 240px; }
            .entry-content h2 { font-size: 1.5rem; }
            .news-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-inner { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .hero-btns { flex-direction: column; width: 100%; max-width: 260px; margin: 0 auto; }
            .hero-btns .btn { width: 100%; }
            .stats-grid { grid-template-columns: 1fr; }
        }

/* roulang page: article */
:root {
            --color-primary: #1B2A4A;
            --color-primary-light: #243660;
            --color-accent: #C8A45C;
            --color-accent-hover: #b89348;
            --color-highlight: #3A7BD5;
            --color-bg: #F5F6FA;
            --color-white: #FFFFFF;
            --color-text: #1E1E2E;
            --color-text-weak: #6B7280;
            --color-text-lighter: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-light: #F0F1F3;
            --color-glass-bg: rgba(255, 255, 255, 0.88);
            --color-glass-border: rgba(255, 255, 255, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.13), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --container-narrow: 860px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
        }

        p {
            margin: 0 0 1em;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container-narrow {
            max-width: var(--container-narrow);
        }

        /* ========== HEADER & GLASS NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 0;
            transition: all var(--transition-base);
        }

        .site-header.scrolled {
            background: var(--color-glass-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-glass-border);
            box-shadow: var(--shadow-md);
            padding: 8px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo-link {
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
            transition: color var(--transition-fast), text-shadow var(--transition-fast);
        }

        .site-header.scrolled .logo-link {
            color: var(--color-primary);
            text-shadow: none;
        }

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

        .site-header.scrolled .logo-link:hover {
            color: var(--color-accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-glass-border);
            border-radius: 50px;
            padding: 6px 8px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .site-header.scrolled .main-nav {
            background: rgba(255, 255, 255, 0.95);
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 9px 22px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: var(--color-accent);
            background: rgba(200, 164, 92, 0.08);
        }

        .nav-link.active {
            background: var(--color-primary);
            color: #FFFFFF;
            box-shadow: 0 2px 10px rgba(27, 42, 74, 0.3);
        }

        .nav-link.active:hover {
            background: var(--color-primary-light);
            color: #FFFFFF;
        }

        .mobile-menu-toggle {
            display: none;
            background: var(--color-glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-glass-border);
            border-radius: 50%;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            z-index: 1001;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
            position: relative;
        }

        .mobile-menu-toggle span::before,
        .mobile-menu-toggle span::after {
            content: '';
            position: absolute;
            left: 0;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle span::before {
            top: -6px;
        }

        .mobile-menu-toggle span::after {
            top: 6px;
        }

        .mobile-menu-toggle.open span {
            background: transparent;
        }

        .mobile-menu-toggle.open span::before {
            top: 0;
            transform: rotate(45deg);
        }

        .mobile-menu-toggle.open span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            padding: 140px 0 60px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(15, 25, 45, 0.55) 0%,
                    rgba(20, 32, 56, 0.75) 40%,
                    rgba(27, 42, 74, 0.92) 100%);
            z-index: 1;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 18px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.75rem;
            user-select: none;
        }

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

        .article-banner-title {
            font-size: 2.4rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.35;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #1B2A4A;
            letter-spacing: 0.3px;
        }

        .article-date {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-content-section {
            padding: 50px 0 30px;
        }

        .article-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            margin-bottom: 40px;
        }

        .article-body {
            font-size: 1.08rem;
            line-height: 1.9;
            color: #2D2D3A;
        }

        .article-body h2 {
            font-size: 1.6rem;
            color: var(--color-primary);
            margin: 2em 0 0.7em;
            padding-bottom: 0.4em;
            border-bottom: 2px solid var(--color-border);
        }

        .article-body h3 {
            font-size: 1.3rem;
            color: var(--color-primary-light);
            margin: 1.6em 0 0.6em;
        }

        .article-body p {
            margin-bottom: 1.3em;
        }

        .article-body ul,
        .article-body ol {
            margin: 1em 0 1.5em;
            padding-left: 1.6em;
            list-style: disc;
        }

        .article-body ol {
            list-style: decimal;
        }

        .article-body li {
            margin-bottom: 0.4em;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body blockquote {
            border-left: 4px solid var(--color-accent);
            margin: 1.5em 0;
            padding: 18px 24px;
            background: #FDFBF6;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #5A4A30;
            font-style: italic;
        }

        .article-not-found {
            text-align: center;
            padding: 80px 40px;
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--color-text-weak);
            margin-bottom: 24px;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--color-primary);
            color: #FFFFFF;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .btn-back:hover {
            background: var(--color-primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            padding: 30px 0 60px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 32px;
            letter-spacing: 0.3px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

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

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

        .related-card-thumb {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: #E8EBF0;
        }

        .related-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .related-card-category {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.5px;
        }

        .related-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .related-card:hover .related-card-title {
            color: var(--color-highlight);
        }

        .related-card-date {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            margin-top: auto;
        }

        .related-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px;
            color: var(--color-text-weak);
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 60px 0 70px;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.12);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(58, 123, 213, 0.10);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .btn-cta-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--color-accent);
            color: #1B2A4A;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 24px rgba(200, 164, 92, 0.35);
            letter-spacing: 0.4px;
        }

        .btn-cta-gold:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 8px 32px rgba(200, 164, 92, 0.5);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #141E30;
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 0;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #FFFFFF;
            display: inline-block;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }

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

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
            font-size: 0.93rem;
        }

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

        .footer-col p {
            font-size: 0.93rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 6px;
        }

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .article-banner-title {
                font-size: 1.9rem;
            }

            .article-card {
                padding: 36px 30px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                padding: 8px 0;
                background: var(--color-glass-bg);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                border-bottom: 1px solid var(--color-glass-border);
                box-shadow: var(--shadow-sm);
            }

            .site-header .logo-link {
                color: var(--color-primary);
                text-shadow: none;
                font-size: 1.2rem;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                border-radius: 0;
                padding: 80px 16px 20px;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                border-left: 1px solid var(--color-border);
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-slow);
                z-index: 1000;
            }

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

            .nav-link {
                border-radius: var(--radius-sm);
                padding: 12px 18px;
                font-size: 1rem;
                width: 100%;
            }

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

            .article-banner {
                min-height: 300px;
                padding: 110px 0 40px;
            }

            .article-banner-title {
                font-size: 1.5rem;
            }

            .article-card {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }

            .article-body {
                font-size: 1rem;
                line-height: 1.8;
            }

            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .related-card-body {
                padding: 12px 14px 16px;
            }

            .related-card-title {
                font-size: 0.9rem;
            }

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

            .cta-inner h2 {
                font-size: 1.5rem;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
                text-align: center;
            }

            .article-meta-row {
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .article-banner {
                min-height: 260px;
                padding: 100px 0 32px;
            }

            .article-banner-title {
                font-size: 1.25rem;
            }

            .article-card {
                padding: 20px 16px;
                border-radius: var(--radius-sm);
            }

            .article-body {
                font-size: 0.95rem;
                line-height: 1.75;
            }

            .article-body h2 {
                font-size: 1.25rem;
            }

            .article-body h3 {
                font-size: 1.1rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .related-card {
                flex-direction: row;
                align-items: stretch;
            }

            .related-card-thumb {
                width: 120px;
                aspect-ratio: auto;
                height: auto;
                flex-shrink: 0;
            }

            .related-card-body {
                padding: 12px 14px;
                justify-content: center;
            }

            .breadcrumb {
                font-size: 0.8rem;
                gap: 4px;
            }

            .article-category-badge {
                font-size: 0.78rem;
                padding: 5px 12px;
            }

            .article-date {
                font-size: 0.8rem;
            }

            .section-title {
                font-size: 1.2rem;
            }

            .cta-inner h2 {
                font-size: 1.3rem;
            }

            .cta-inner p {
                font-size: 0.9rem;
            }

            .btn-cta-gold {
                padding: 12px 26px;
                font-size: 0.9rem;
            }

            .btn-back {
                padding: 10px 22px;
                font-size: 0.88rem;
            }

            .article-not-found {
                padding: 50px 20px;
            }

            .article-not-found h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category1 */
/* ========== CSS Design Variables ========== */
        :root {
            --color-primary: #1a1a35;
            --color-primary-light: #252550;
            --color-primary-dark: #12122a;
            --color-accent: #c8963e;
            --color-accent-light: #d4a855;
            --color-accent-dark: #b07d2e;
            --color-accent-glow: rgba(200, 150, 62, 0.25);
            --color-bg-white: #ffffff;
            --color-bg-light: #f5f6fa;
            --color-bg-lighter: #fafbfd;
            --color-bg-dark: #1e1e38;
            --color-bg-darker: #161630;
            --color-text-primary: #1a1a2e;
            --color-text-secondary: #4a4a60;
            --color-text-muted: #8a8aa0;
            --color-text-light: #b0b0c0;
            --color-text-on-dark: #e8e8f0;
            --color-border: #e8ecf1;
            --color-border-light: #f0f2f6;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-white: #ffffff;
            --color-black: #000000;
            
            --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-family-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
            --shadow-xl: 0 12px 40px rgba(0,0,0,0.16);
            --shadow-card-hover: 0 10px 36px rgba(0,0,0,0.14);
            
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            
            --nav-height: 68px;
            --nav-height-scrolled: 58px;
            --container-max: 1200px;
            --container-narrow: 960px;
            
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --transition-spring: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }

        /* ========== CSS Reset & Base ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }
        
        body {
            font-family: var(--font-family-base);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-bg-light);
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        
        button {
            cursor: pointer;
        }
        
        ul, ol {
            list-style: none;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-family-heading);
            line-height: 1.3;
            color: var(--color-text-primary);
            font-weight: 700;
        }
        
        h1 { font-size: 2.25rem; }
        h2 { font-size: 1.75rem; }
        h3 { font-size: 1.35rem; }
        h4 { font-size: 1.1rem; }
        
        p { margin-bottom: var(--spacing-md); }
        p:last-child { margin-bottom: 0; }

        /* ========== Container ========== */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        
        .container-narrow {
            max-width: var(--container-narrow);
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            height: var(--nav-height);
            transition: all var(--transition-base);
            background: rgba(26, 26, 53, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 1px 20px rgba(0, 0, 0, 0.10);
        }
        
        .site-header.scrolled {
            background: rgba(26, 26, 53, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            height: var(--nav-height-scrolled);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.18);
            border-bottom-color: rgba(255, 255, 255, 0.06);
        }
        
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        
        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
            font-family: var(--font-family-heading);
        }
        
        .logo-link:hover {
            opacity: 0.88;
        }
        
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary-dark);
            font-weight: 800;
            flex-shrink: 0;
        }
        
        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.925rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
            position: relative;
        }
        
        .nav-link:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.08);
        }
        
        .nav-link.active {
            color: var(--color-white);
            background: rgba(200, 150, 62, 0.18);
            font-weight: 600;
        }
        
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }
        
        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
            background: transparent;
            border: none;
        }
        
        .mobile-menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-white);
            border-radius: 3px;
            transition: all var(--transition-base);
        }
        
        .mobile-menu-toggle.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ========== Page Banner ========== */
        .page-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            margin-top: var(--nav-height);
            overflow: hidden;
        }
        
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(
                180deg,
                rgba(26, 26, 53, 0.82) 0%,
                rgba(26, 26, 53, 0.72) 40%,
                rgba(22, 22, 48, 0.85) 100%
            );
            z-index: 1;
        }
        
        .page-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200, 150, 62, 0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 40%, rgba(200, 150, 62, 0.05) 0%, transparent 55%);
            z-index: 2;
            pointer-events: none;
        }
        
        .banner-content {
            position: relative;
            z-index: 3;
            text-align: center;
            padding: var(--spacing-3xl) var(--spacing-lg);
            max-width: 700px;
        }
        
        .banner-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: var(--spacing-lg);
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }
        
        .banner-breadcrumb a:hover {
            color: var(--color-accent-light);
        }
        
        .banner-breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.7rem;
        }
        
        .banner-breadcrumb .current {
            color: var(--color-accent-light);
            font-weight: 500;
        }
        
        .banner-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: var(--spacing-md);
            letter-spacing: 1px;
        }
        
        .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 520px;
            margin: 0 auto;
            line-height: 1.7;
        }
        
        .banner-stats {
            display: flex;
            gap: var(--spacing-xl);
            justify-content: center;
            margin-top: var(--spacing-xl);
            flex-wrap: wrap;
        }
        
        .banner-stat {
            text-align: center;
        }
        
        .banner-stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-accent-light);
            display: block;
        }
        
        .banner-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== Section Styles ========== */
        .section {
            padding: var(--spacing-4xl) 0;
        }
        
        .section-alt {
            background: var(--color-bg-white);
        }
        
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        
        .section-dark h2,
        .section-dark h3 {
            color: var(--color-white);
        }
        
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-3xl);
        }
        
        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text-primary);
        }
        
        .section-dark .section-header h2 {
            color: var(--color-white);
        }
        
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: var(--spacing-sm);
            background: var(--color-accent-glow);
            padding: 4px 14px;
            border-radius: 20px;
        }
        
        .section-header p {
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
            font-size: 1rem;
        }
        
        .section-dark .section-header p {
            color: var(--color-text-light);
        }

        /* ========== Card Grid ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }
        
        .card-grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .card-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        /* ========== Article Card ========== */
        .article-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--color-border-light);
        }
        
        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: transparent;
        }
        
        .article-card-image {
            position: relative;
            width: 100%;
            padding-top: 56%;
            overflow: hidden;
            background: var(--color-bg-light);
        }
        
        .article-card-image img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        
        .article-card:hover .article-card-image img {
            transform: scale(1.06);
        }
        
        .article-card-image .card-tags {
            position: absolute;
            top: var(--spacing-md);
            left: var(--spacing-md);
            display: flex;
            gap: var(--spacing-xs);
            flex-wrap: wrap;
            z-index: 2;
        }
        
        .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            background: rgba(26, 26, 53, 0.78);
            color: var(--color-white);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            letter-spacing: 0.3px;
        }
        
        .card-tag.accent {
            background: rgba(200, 150, 62, 0.85);
        }
        
        .article-card-body {
            padding: var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .article-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .article-card-body h3 a {
            color: var(--color-text-primary);
            transition: color var(--transition-fast);
        }
        
        .article-card-body h3 a:hover {
            color: var(--color-accent);
        }
        
        .article-card-body p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .article-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: var(--spacing-md);
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--color-border-light);
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        
        .article-card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .article-card-meta .meta-views {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== Hot Ranking ========== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        
        .ranking-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
        }
        
        .ranking-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
            border-color: transparent;
        }
        
        .ranking-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--color-white);
            background: var(--color-text-muted);
        }
        
        .ranking-item:nth-child(1) .ranking-number {
            background: linear-gradient(135deg, #f59e0b, #e67700);
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }
        
        .ranking-item:nth-child(2) .ranking-number {
            background: linear-gradient(135deg, #94a3b8, #64748b);
            box-shadow: 0 4px 12px rgba(100, 116, 139, 0.3);
        }
        
        .ranking-item:nth-child(3) .ranking-number {
            background: linear-gradient(135deg, #c8963e, #a0722a);
            box-shadow: 0 4px 12px rgba(200, 150, 62, 0.3);
        }
        
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        
        .ranking-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .ranking-info h4 a {
            color: var(--color-text-primary);
            transition: color var(--transition-fast);
        }
        
        .ranking-info h4 a:hover {
            color: var(--color-accent);
        }
        
        .ranking-info .ranking-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        
        .ranking-thumb {
            flex-shrink: 0;
            width: 70px;
            height: 50px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        
        .ranking-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== Featured Block ========== */
        .featured-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-2xl);
            align-items: center;
            background: var(--color-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        
        .featured-image {
            width: 100%;
            height: 100%;
            min-height: 360px;
        }
        
        .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .featured-content {
            padding: var(--spacing-2xl);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .featured-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
        }
        
        .featured-content p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-sm);
            padding: 11px 26px;
            font-size: 0.925rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            letter-spacing: 0.3px;
            white-space: nowrap;
            text-align: center;
            line-height: 1.4;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: var(--color-white);
            box-shadow: 0 4px 16px var(--color-accent-glow);
        }
        
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.35);
            transform: translateY(-2px);
        }
        
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px var(--color-accent-glow);
        }
        
        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
        }
        
        .btn-outline:hover {
            background: var(--color-accent);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px var(--color-accent-glow);
        }
        
        .btn-outline-light {
            background: transparent;
            color: var(--color-white);
            border: 2px solid rgba(255,255,255,0.35);
        }
        
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.7);
            color: var(--color-white);
            transform: translateY(-2px);
        }
        
        .btn-lg {
            padding: 14px 34px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        
        .btn-sm {
            padding: 7px 16px;
            font-size: 0.82rem;
            border-radius: var(--radius-xs);
        }

        /* ========== Tags / Badges ========== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
        }
        
        .tag-badge {
            display: inline-block;
            padding: 7px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            border-radius: 22px;
            background: var(--color-bg-light);
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        
        .tag-badge:hover {
            background: var(--color-accent);
            color: var(--color-white);
            border-color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px var(--color-accent-glow);
        }

        /* ========== FAQ Accordion ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border);
        }
        
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-lg);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-primary);
            cursor: pointer;
            text-align: left;
            background: transparent;
            border: none;
            transition: color var(--transition-fast);
            gap: var(--spacing-md);
        }
        
        .faq-question:hover {
            color: var(--color-accent);
        }
        
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: var(--radius-full);
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
            font-size: 0.7rem;
            color: var(--color-text-muted);
        }
        
        .faq-item.active .faq-icon {
            background: var(--color-accent);
            color: var(--color-white);
            transform: rotate(45deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 var(--spacing-lg);
        }
        
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-lg) var(--spacing-lg);
        }
        
        .faq-answer p {
            color: var(--color-text-secondary);
            font-size: 0.925rem;
            line-height: 1.8;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--color-bg-dark);
            text-align: center;
            padding: var(--spacing-4xl) 0;
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(200,150,62,0.07) 0%, transparent 65%);
            pointer-events: none;
        }
        
        .cta-content {
            position: relative;
            z-index: 2;
        }
        
        .cta-content h2 {
            color: var(--color-white);
            font-size: 1.9rem;
            margin-bottom: var(--spacing-md);
        }
        
        .cta-content p {
            color: var(--color-text-light);
            max-width: 500px;
            margin: 0 auto var(--spacing-xl);
        }
        
        .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-bg-darker);
            color: var(--color-text-on-dark);
            padding-top: var(--spacing-3xl);
        }
        
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        
        .footer-col .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            display: inline-block;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        
        .footer-col .footer-logo:hover {
            color: var(--color-accent-light);
        }
        
        .footer-col p {
            color: var(--color-text-light);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        
        .footer-col h4 {
            color: var(--color-white);
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.4px;
        }
        
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        
        .footer-col ul li a {
            color: var(--color-text-light);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        
        .footer-bottom {
            text-align: center;
            padding: var(--spacing-lg) 0;
            font-size: 0.82rem;
            color: var(--color-text-light);
        }

        /* ========== Responsive Breakpoints ========== */
        
        /* Tablet Large - 1024px */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }
            
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .featured-block {
                grid-template-columns: 1fr;
            }
            
            .featured-image {
                min-height: 260px;
                max-height: 320px;
            }
            
            .page-banner {
                min-height: 280px;
            }
            
            .banner-title {
                font-size: 2.1rem;
            }
            
            h1 { font-size: 1.9rem; }
            h2 { font-size: 1.55rem; }
            
            .section {
                padding: var(--spacing-3xl) 0;
            }
            
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }
        }
        
        /* Tablet - 768px */
        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --nav-height-scrolled: 52px;
            }
            
            .card-grid,
            .card-grid-2,
            .card-grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            
            .featured-block {
                grid-template-columns: 1fr;
                border-radius: var(--radius-lg);
            }
            
            .featured-image {
                min-height: 220px;
                max-height: 280px;
            }
            
            .featured-content {
                padding: var(--spacing-lg);
            }
            
            .page-banner {
                min-height: 240px;
            }
            
            .banner-title {
                font-size: 1.75rem;
            }
            
            .banner-subtitle {
                font-size: 0.95rem;
            }
            
            .banner-stats {
                gap: var(--spacing-lg);
            }
            
            .banner-stat-number {
                font-size: 1.4rem;
            }
            
            .ranking-item {
                flex-wrap: wrap;
                gap: var(--spacing-md);
            }
            
            .ranking-thumb {
                width: 60px;
                height: 44px;
            }
            
            .site-header {
                background: rgba(26, 26, 53, 0.92);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
            }
            
            .mobile-menu-toggle {
                display: flex;
            }
            
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 260px;
                height: 100vh;
                background: rgba(26, 26, 53, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 90px var(--spacing-xl) var(--spacing-xl);
                gap: var(--spacing-sm);
                transition: right var(--transition-base);
                box-shadow: -4px 0 30px rgba(0,0,0,0.25);
                z-index: 1000;
            }
            
            .main-nav.open {
                right: 0;
            }
            
            .nav-link {
                width: 100%;
                padding: 12px 18px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            
            .section {
                padding: var(--spacing-2xl) 0;
            }
            
            .section-header h2 {
                font-size: 1.5rem;
            }
            
            .footer-inner {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
            
            .article-card-body h3 {
                font-size: 1rem;
            }
        }
        
        /* Mobile - 520px */
        @media (max-width: 520px) {
            .card-grid,
            .card-grid-2,
            .card-grid-4 {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            
            .page-banner {
                min-height: 200px;
            }
            
            .banner-title {
                font-size: 1.5rem;
            }
            
            .banner-subtitle {
                font-size: 0.85rem;
            }
            
            .banner-stats {
                gap: var(--spacing-md);
            }
            
            .banner-stat-number {
                font-size: 1.2rem;
            }
            
            .banner-stat-label {
                font-size: 0.75rem;
            }
            
            .banner-content {
                padding: var(--spacing-xl) var(--spacing-md);
            }
            
            .ranking-item {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }
            
            .ranking-thumb {
                width: 100%;
                height: 120px;
            }
            
            .featured-content {
                padding: var(--spacing-md);
            }
            
            .featured-content h3 {
                font-size: 1.2rem;
            }
            
            .cta-content h2 {
                font-size: 1.4rem;
            }
            
            .btn-lg {
                padding: 11px 24px;
                font-size: 0.9rem;
            }
            
            .container {
                padding: 0 var(--spacing-md);
            }
            
            h1 { font-size: 1.5rem; }
            h2 { font-size: 1.3rem; }
        }