/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #0b0e1a;
            --color-secondary: #141b33;
            --color-accent: #f5a623;
            --color-accent-alt: #e74c6f;
            --color-bg: #080a14;
            --color-card: #11152b;
            --color-card-hover: #1a2040;
            --color-text: #f0f0f5;
            --color-text-secondary: #b8c0d0;
            --color-text-muted: #6b7280;
            --color-border: #2a3050;
            --color-border-light: #1e2540;
            --color-success: #10b981;
            --color-overlay: rgba(0,0,0,0.65);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 18px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(0,0,0,0.25);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.35);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 40px rgba(245,166,35,0.12);
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 32px;
            --space-2xl: 48px;
            --space-3xl: 64px;
            --space-4xl: 96px;
            --max-width: 1200px;
            --header-height: 72px;
            --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-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); }
        a:hover { color: var(--color-accent); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--color-text); }
        h1 { font-size: clamp(2.2rem, 6vw, 4rem); }
        h2 { font-size: clamp(1.6rem, 4vw, 2.6rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        h4 { font-size: 1.15rem; }
        p { color: var(--color-text-secondary); margin-bottom: var(--space-md); }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: var(--space-sm);
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .btn:hover {
            background: #e09610;
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        .btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
        .btn-outline {
            background: transparent;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-outline:hover {
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .btn-secondary {
            background: var(--color-card);
            border-color: var(--color-border);
            color: var(--color-text);
        }
        .btn-secondary:hover {
            background: var(--color-card-hover);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius-lg); }
        .btn-sm { padding: 8px 18px; font-size: 0.85rem; border-radius: var(--radius-sm); }

        /* ========== 标签 / 徽章 ========== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
            background: rgba(245,166,35,0.15);
            color: var(--color-accent);
            border: 1px solid rgba(245,166,35,0.25);
        }
        .badge-alt {
            background: rgba(231,76,111,0.15);
            color: var(--color-accent-alt);
            border-color: rgba(231,76,111,0.25);
        }
        .badge-success {
            background: rgba(16,185,129,0.15);
            color: var(--color-success);
            border-color: rgba(16,185,129,0.25);
        }

        /* ========== Header & 导航 ========== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            z-index: 1000;
            background: rgba(11,14,26,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition);
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.5px;
        }
        .logo i { color: var(--color-accent); font-size: 1.5rem; }
        .logo span { background: linear-gradient(135deg, var(--color-accent), #ffd166); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

        nav {
            display: flex;
            align-items: center;
            gap: var(--space-xl);
        }
        nav a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition);
            border-radius: 2px;
        }
        nav a:hover { color: var(--color-text); }
        nav a:hover::after { width: 100%; }
        nav a.active { color: var(--color-accent); }
        nav a.active::after { width: 100%; }

        .nav-cta .btn { padding: 8px 20px; font-size: 0.85rem; border-radius: var(--radius-sm); }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: rgba(255,255,255,0.05);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border-light);
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .hamburger.active span:nth-child(2) { opacity: 0; }
        .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* 移动端菜单 */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: rgba(11,14,26,0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: var(--space-xl) var(--space-lg);
            border-bottom: 1px solid var(--color-border);
            z-index: 999;
            flex-direction: column;
            gap: var(--space-md);
            transform: translateY(-10px);
            opacity: 0;
            transition: all 0.3s ease;
            pointer-events: none;
        }
        .mobile-nav.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: all;
        }
        .mobile-nav a {
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: var(--space-sm) 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .mobile-nav a:last-child { border-bottom: none; }
        .mobile-nav a.active { color: var(--color-accent); }
        .mobile-nav .btn { justify-content: center; margin-top: var(--space-sm); }

        /* ========== Hero 首屏 ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--header-height);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8,10,20,0.92) 30%, rgba(8,10,20,0.6) 70%, rgba(8,10,20,0.3) 100%);
        }
        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-3xl);
            align-items: center;
            padding-top: var(--space-3xl);
            padding-bottom: var(--space-4xl);
        }
        .hero-content { max-width: 600px; }
        .hero-content .badge { margin-bottom: var(--space-lg); }
        .hero-content h1 {
            margin-bottom: var(--space-lg);
            line-height: 1.1;
        }
        .hero-content h1 span {
            background: linear-gradient(135deg, var(--color-accent), #ffd166);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content p {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            max-width: 480px;
            margin-bottom: var(--space-xl);
        }
        .hero-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }
        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-visual-card {
            width: 100%;
            max-width: 500px;
            aspect-ratio: 16/10;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border);
            background: var(--color-card);
            position: relative;
        }
        .hero-visual-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .hero-visual-card:hover img { transform: scale(1.03); }
        .hero-visual-card .play-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0,0,0,0.25);
            transition: background var(--transition);
        }
        .hero-visual-card:hover .play-overlay { background: rgba(0,0,0,0.15); }
        .hero-visual-card .play-btn {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(245,166,35,0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--color-primary);
            box-shadow: 0 0 40px rgba(245,166,35,0.3);
            transition: all var(--transition);
        }
        .hero-visual-card:hover .play-btn {
            transform: scale(1.08);
            box-shadow: 0 0 60px rgba(245,166,35,0.5);
        }
        .hero-stats {
            display: flex;
            gap: var(--space-xl);
            margin-top: var(--space-xl);
            padding-top: var(--space-lg);
            border-top: 1px solid var(--color-border-light);
        }
        .hero-stat-item { text-align: center; }
        .hero-stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
        }

        /* ========== 板块通用 ========== */
        section { padding: var(--space-4xl) 0; }
        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto var(--space-3xl);
        }
        .section-header h2 { margin-bottom: var(--space-md); }
        .section-header p { color: var(--color-text-secondary); font-size: 1.05rem; }
        .section-header .badge { margin-bottom: var(--space-md); }

        /* ========== 特色板块 ========== */
        .features {
            background: var(--color-primary);
            position: relative;
        }
        .features::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-border), transparent);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
        }
        .feature-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: var(--space-xl) var(--space-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            background: var(--color-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .feature-card .icon {
            width: 56px;
            height: 56px;
            margin: 0 auto var(--space-md);
            border-radius: var(--radius-md);
            background: rgba(245,166,35,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
            transition: all var(--transition);
        }
        .feature-card:hover .icon {
            background: rgba(245,166,35,0.2);
            transform: scale(1.05);
        }
        .feature-card h3 { font-size: 1.05rem; margin-bottom: var(--space-sm); }
        .feature-card p { font-size: 0.88rem; margin-bottom: 0; }

        /* ========== 赛事分类入口 ========== */
        .categories {
            background: var(--color-bg);
        }
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-xl);
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            aspect-ratio: 4/3;
        }
        .category-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover img { transform: scale(1.05); }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8,10,20,0.9) 0%, rgba(8,10,20,0.2) 60%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: var(--space-lg);
        }
        .category-card .overlay .badge { align-self: flex-start; margin-bottom: var(--space-sm); }
        .category-card .overlay h3 { font-size: 1.2rem; color: #fff; margin-bottom: 4px; }
        .category-card .overlay p { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: 0; }

        /* ========== 最新资讯 (CMS) ========== */
        .latest-news {
            background: var(--color-primary);
            position: relative;
        }
        .latest-news::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-border), transparent);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--space-lg);
        }
        .news-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .news-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .news-card .thumb {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }
        .news-card .body { padding: var(--space-lg); }
        .news-card .body .badge { margin-bottom: var(--space-sm); }
        .news-card .body h3 {
            font-size: 1.05rem;
            margin-bottom: var(--space-sm);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .body h3 a { color: var(--color-text); }
        .news-card .body h3 a:hover { color: var(--color-accent); }
        .news-card .body p {
            font-size: 0.88rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--space-md);
        }
        .news-card .meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            padding-top: var(--space-sm);
            border-top: 1px solid var(--color-border-light);
        }
        .news-card .meta .date { display: flex; align-items: center; gap: 4px; }
        .news-empty {
            text-align: center;
            padding: var(--space-3xl) var(--space-lg);
            color: var(--color-text-muted);
            background: var(--color-card);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--color-border);
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            background: var(--color-secondary);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-xl);
            position: relative;
            z-index: 1;
        }
        .stat-card {
            text-align: center;
            padding: var(--space-xl) var(--space-lg);
            background: rgba(255,255,255,0.02);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255,255,255,0.04);
            border-color: var(--color-accent);
        }
        .stat-card .num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: var(--space-xs);
        }
        .stat-card .num i { font-size: 1.8rem; margin-right: 4px; }
        .stat-card .label { font-size: 0.9rem; color: var(--color-text-secondary); }

        /* ========== 精选推荐 ========== */
        .recommended {
            background: var(--color-bg);
        }
        .recommended-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-xl);
        }
        .recommend-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .recommend-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .recommend-card .img-wrap {
            aspect-ratio: 4/3;
            overflow: hidden;
        }
        .recommend-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .recommend-card:hover .img-wrap img { transform: scale(1.05); }
        .recommend-card .info {
            padding: var(--space-lg);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .recommend-card .info .badge { margin-bottom: var(--space-sm); align-self: flex-start; }
        .recommend-card .info h3 { font-size: 1.1rem; margin-bottom: var(--space-sm); }
        .recommend-card .info p { font-size: 0.88rem; margin-bottom: var(--space-md); }
        .recommend-card .info .rating {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--color-accent);
            font-size: 0.85rem;
            margin-bottom: var(--space-sm);
        }
        .recommend-card .info .rating i { color: var(--color-accent); }
        .recommend-card .info .rating span { color: var(--color-text-muted); margin-left: 4px; }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-primary);
            position: relative;
        }
        .faq-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-border), transparent);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }
        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--color-border); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--space-lg);
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            transition: color var(--transition);
            user-select: none;
        }
        .faq-question:hover { color: var(--color-accent); }
        .faq-question i { color: var(--color-accent); transition: transform var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 var(--space-lg);
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 var(--space-lg) var(--space-lg);
        }
        .faq-answer p { margin-bottom: 0; }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-secondary);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.05;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 { margin-bottom: var(--space-md); }
        .cta-section p { max-width: 540px; margin: 0 auto var(--space-xl); font-size: 1.05rem; }
        .cta-actions { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; }

        /* ========== Footer ========== */
        footer {
            background: var(--color-primary);
            border-top: 1px solid var(--color-border-light);
            padding: var(--space-3xl) 0 var(--space-xl);
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--space-2xl);
        }
        footer .brand .logo { font-size: 1.2rem; margin-bottom: var(--space-md); }
        footer .brand p { font-size: 0.88rem; color: var(--color-text-muted); max-width: 320px; }
        footer .col h4 { font-size: 0.95rem; margin-bottom: var(--space-lg); color: var(--color-text); }
        footer .col a {
            display: block;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            padding: 4px 0;
            transition: color var(--transition);
        }
        footer .col a:hover { color: var(--color-accent); }
        footer .social {
            display: flex;
            gap: var(--space-md);
            margin-top: var(--space-md);
        }
        footer .social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-card);
            border: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        footer .social a:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }
        .footer-bottom {
            grid-column: 1 / -1;
            padding-top: var(--space-xl);
            border-top: 1px solid var(--color-border-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }
        .footer-bottom a { color: var(--color-text-muted); }
        .footer-bottom a:hover { color: var(--color-accent); }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero .container { grid-template-columns: 1fr; text-align: center; }
            .hero-content { max-width: 100%; }
            .hero-content p { margin-left: auto; margin-right: auto; }
            .hero-actions { justify-content: center; }
            .hero-stats { justify-content: center; }
            .hero-visual { margin-top: var(--space-xl); }
            .hero-visual-card { max-width: 100%; }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .categories-grid { grid-template-columns: repeat(2, 1fr); }
            .recommended-grid { grid-template-columns: 1fr; }
            .recommend-card { grid-template-columns: 1fr; }
            .recommend-card .img-wrap { aspect-ratio: 16/9; }
            footer .container { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            :root { --header-height: 64px; }
            nav { display: none; }
            .hamburger { display: flex; }
            .mobile-nav { display: flex; }
            .hero { min-height: auto; padding-top: var(--header-height); }
            .hero .container { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }
            .hero-content h1 { font-size: clamp(1.6rem, 6vw, 2.2rem); }
            .hero-content p { font-size: 1rem; }
            .hero-stats { gap: var(--space-lg); flex-wrap: wrap; }
            .hero-stat-item .num { font-size: 1.4rem; }
            .features-grid { grid-template-columns: 1fr; }
            .categories-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
            .stat-card .num { font-size: 2rem; }
            .news-grid { grid-template-columns: 1fr; }
            .recommend-card .info { padding: var(--space-md); }
            section { padding: var(--space-2xl) 0; }
            .section-header { margin-bottom: var(--space-xl); }
            footer .container { grid-template-columns: 1fr; gap: var(--space-xl); }
            .footer-bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 var(--space-md); }
            .hero-actions { flex-direction: column; align-items: center; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
            .stat-card { padding: var(--space-lg) var(--space-md); }
            .stat-card .num { font-size: 1.6rem; }
            .faq-question { font-size: 0.9rem; padding: var(--space-md); }
            .cta-actions { flex-direction: column; align-items: center; }
            .cta-actions .btn { width: 100%; justify-content: center; }
        }

        /* ========== 辅助 ========== */
        .text-center { text-align: center; }
        .mt-lg { margin-top: var(--space-lg); }
        .mb-lg { margin-bottom: var(--space-lg); }
        .gap-sm { gap: var(--space-sm); }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --clr-primary: #0f1a2e;
            --clr-primary-light: #1a2d4a;
            --clr-primary-mid: #2a3f5f;
            --clr-accent: #f0b429;
            --clr-accent-light: #f7c948;
            --clr-accent-dark: #d49a1a;
            --clr-bg: #f8f9fc;
            --clr-bg-alt: #eef0f5;
            --clr-card: #ffffff;
            --clr-text: #1a1a2e;
            --clr-text-weak: #6b7280;
            --clr-text-light: #9ca3af;
            --clr-border: #e5e7eb;
            --clr-border-light: #f0f1f5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(15, 26, 46, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 26, 46, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 26, 46, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            --max-w: 1200px;
            --header-h: 72px;
            --space-section: 5rem;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            color: var(--clr-text);
            background: var(--clr-bg);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:focus-visible {
            outline: 2px solid var(--clr-accent);
            outline-offset: 4px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--clr-primary);
        }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 26, 46, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(240, 180, 41, 0.15);
            height: var(--header-h);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .logo i {
            color: var(--clr-accent);
            font-size: 1.6rem;
        }
        .logo span {
            background: linear-gradient(135deg, #fff 60%, var(--clr-accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover {
            opacity: 0.9;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-wrap a {
            color: rgba(255, 255, 255, 0.7);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-wrap a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-wrap a.active {
            color: var(--clr-accent);
            background: rgba(240, 180, 41, 0.1);
        }
        .nav-wrap a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--clr-accent);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--clr-accent) !important;
            color: var(--clr-primary) !important;
            padding: 8px 20px !important;
            border-radius: 50px !important;
            font-weight: 700 !important;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 12px;
            box-shadow: 0 4px 16px rgba(240, 180, 41, 0.3);
        }
        .nav-cta i {
            font-size: 0.85rem;
        }
        .nav-cta:hover {
            background: var(--clr-accent-light) !important;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(240, 180, 41, 0.4);
        }
        .mobile-toggle {
            display: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 768px) {
            .nav-wrap a:not(.nav-cta) {
                display: none;
            }
            .nav-wrap a.nav-cta {
                margin-left: auto;
                font-size: 0.85rem;
                padding: 6px 14px !important;
            }
            .mobile-toggle {
                display: flex;
                margin-left: 8px;
            }
            .nav-wrap.open a:not(.nav-cta) {
                display: block;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(15, 26, 46, 0.98);
                backdrop-filter: blur(12px);
                padding: 12px 24px;
                border-bottom: 1px solid rgba(240, 180, 41, 0.1);
                text-align: center;
            }
            .nav-wrap.open a:not(.nav-cta)+a:not(.nav-cta) {
                top: calc(var(--header-h) + 50px);
            }
            .nav-wrap.open a:not(.nav-cta):nth-child(2) {
                top: var(--header-h);
            }
            .nav-wrap.open a.active::after {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .logo {
                font-size: 1.2rem;
                gap: 6px;
            }
            .logo i {
                font-size: 1.3rem;
            }
            .nav-cta {
                font-size: 0.8rem !important;
                padding: 5px 12px !important;
                gap: 4px;
            }
            .nav-cta i {
                font-size: 0.75rem;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            background: var(--clr-primary);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 1;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.85) 0%, rgba(15, 26, 46, 0.4) 100%);
        }
        .hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .hero-content {
            max-width: 720px;
        }
        .hero-content .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(240, 180, 41, 0.15);
            color: var(--clr-accent-light);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(240, 180, 41, 0.2);
        }
        .hero-content .badge i {
            font-size: 0.75rem;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero-content h1 span {
            color: var(--clr-accent);
        }
        .hero-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--clr-accent);
            color: var(--clr-primary);
            box-shadow: 0 6px 24px rgba(240, 180, 41, 0.35);
        }
        .btn-primary:hover {
            background: var(--clr-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(240, 180, 41, 0.45);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(240, 180, 41, 0.3);
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.8);
            transform: translateY(-2px);
        }
        .btn-outline-light:active {
            transform: translateY(0);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 380px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
            .btn-lg {
                padding: 12px 28px;
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                justify-content: center;
            }
        }

        /* ===== Section Shared ===== */
        .section {
            padding: var(--space-section) 0;
        }
        .section-alt {
            background: var(--clr-bg-alt);
        }
        .section-dark {
            background: var(--clr-primary);
            color: rgba(255, 255, 255, 0.8);
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-header h2 i {
            color: var(--clr-accent);
            margin-right: 8px;
        }
        .section-header p {
            font-size: 1.1rem;
            color: var(--clr-text-weak);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }
        @media (max-width: 768px) {
            .section {
                --space-section: 3.5rem;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .section-header p {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .card {
            background: var(--clr-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--clr-border-light);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(240, 180, 41, 0.2);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }
        .card:hover .card-img {
            transform: scale(1.03);
        }
        .card-body {
            padding: 20px 24px 24px;
        }
        .card-body .tag {
            display: inline-block;
            background: rgba(240, 180, 41, 0.1);
            color: var(--clr-accent-dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
            border: 1px solid rgba(240, 180, 41, 0.15);
        }
        .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--clr-primary);
        }
        .card-body p {
            color: var(--clr-text-weak);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .card-body .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--clr-text-light);
            border-top: 1px solid var(--clr-border-light);
            padding-top: 12px;
            margin-top: 4px;
        }
        .card-body .meta i {
            margin-right: 4px;
        }
        .card-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--clr-accent-dark);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 4px;
            transition: var(--transition);
        }
        .card-cta:hover {
            gap: 10px;
            color: var(--clr-accent);
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-body {
                padding: 16px 18px 20px;
            }
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--clr-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 36px;
            height: 36px;
            background: var(--clr-accent);
            color: var(--clr-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(240, 180, 41, 0.3);
        }
        .step-card .icon {
            font-size: 2.4rem;
            color: var(--clr-primary-light);
            margin-bottom: 16px;
            margin-top: 8px;
        }
        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            color: var(--clr-text-weak);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .step-card {
                padding: 24px 16px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--clr-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--clr-border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(240, 180, 41, 0.2);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--clr-primary);
            background: none;
            text-align: left;
            gap: 12px;
            cursor: pointer;
        }
        .faq-question i {
            color: var(--clr-accent);
            font-size: 0.85rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--clr-text-weak);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        @media (max-width: 520px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.88rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-light) 100%);
            padding: 5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(240, 180, 41, 0.08) 0%, transparent 70%);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .btn {
            font-size: 1.1rem;
            padding: 16px 44px;
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 3rem 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--clr-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 3.5rem 0 0;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .site-footer .brand .logo {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }
        .site-footer .brand p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            max-width: 400px;
        }
        .site-footer .social {
            display: flex;
            gap: 12px;
        }
        .site-footer .social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .social a:hover {
            background: rgba(240, 180, 41, 0.15);
            color: var(--clr-accent);
            border-color: rgba(240, 180, 41, 0.2);
            transform: translateY(-2px);
        }
        .site-footer .col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .site-footer .col a:hover {
            color: var(--clr-accent);
            padding-left: 4px;
        }
        .footer-bottom {
            grid-column: 1 / -1;
            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, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--clr-accent);
        }
        @media (max-width: 768px) {
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .site-footer .brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .col h4 {
                margin-bottom: 12px;
            }
        }

        /* ===== Topic Tags ===== */
        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 16px;
        }
        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            background: var(--clr-card);
            border: 1px solid var(--clr-border);
            color: var(--clr-text-weak);
            transition: var(--transition);
        }
        .topic-tag:hover {
            border-color: var(--clr-accent);
            color: var(--clr-accent-dark);
            background: rgba(240, 180, 41, 0.05);
            transform: translateY(-2px);
        }
        .topic-tag i {
            color: var(--clr-accent);
            font-size: 0.75rem;
        }

        /* ===== Stats Row ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 24px;
            margin-top: 32px;
        }
        .stat-item {
            text-align: center;
            padding: 20px 12px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--clr-accent);
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }
        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item .num {
                font-size: 1.6rem;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 2rem;
        }
        .mb-8 {
            margin-bottom: 2rem;
        }
        .gap-4 {
            gap: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --accent: #e94560;
            --accent-hover: #d6384f;
            --accent-glow: rgba(233, 69, 96, 0.3);
            --gold: #f5a623;
            --gold-light: #ffe082;
            --bg: #0f0f1a;
            --bg-card: #1c1c33;
            --bg-elevated: #252545;
            --bg-soft: #16162b;
            --text: #f0f0f5;
            --text-soft: #b0b0c8;
            --text-muted: #7a7a9a;
            --border: #2e2e52;
            --border-light: #3a3a62;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.7);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== 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;
        }

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header / Nav ===== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(15, 15, 26, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: background var(--transition);
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.5px;
        }
        .logo i {
            color: var(--gold);
            font-size: 1.5rem;
            filter: drop-shadow(0 0 8px var(--accent-glow));
        }
        .logo span {
            background: linear-gradient(135deg, #f0f0f5 0%, #e94560 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover span {
            background: linear-gradient(135deg, #fff 0%, #ff6b81 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        header nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        header nav a:not(.btn) {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-soft);
            padding: 6px 0;
            position: relative;
            transition: color var(--transition);
        }
        header nav a:not(.btn)::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width var(--transition);
        }
        header nav a:not(.btn):hover {
            color: var(--text);
        }
        header nav a:not(.btn):hover::after {
            width: 100%;
        }
        header nav a:not(.btn).active {
            color: var(--accent);
        }
        header nav a:not(.btn).active::after {
            width: 100%;
            background: var(--accent);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: 50px;
            background: var(--accent);
            color: #fff !important;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 16px var(--accent-glow);
        }
        .nav-cta i {
            font-size: 0.85rem;
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px var(--accent-glow);
        }
        .nav-cta:active {
            transform: scale(0.96);
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .menu-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }
        .menu-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            header nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                width: 100%;
                flex-direction: column;
                gap: 16px;
                padding: 24px 20px 32px;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            header nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            header nav a:not(.btn) {
                font-size: 1.1rem;
                padding: 8px 0;
            }
            .nav-cta {
                align-self: flex-start;
                margin-top: 8px;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            padding-top: calc(var(--header-h) + 20px);
            padding-bottom: 12px;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-soft);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--text);
            font-weight: 500;
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 48px 0 32px;
            background: var(--bg-soft);
            border-bottom: 1px solid var(--border);
        }
        .article-hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .article-hero-info h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .article-hero-info .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .article-hero-info .meta .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
        }
        .article-hero-info .meta .date {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero-info .meta .date i {
            font-size: 0.8rem;
        }
        .article-hero-info .desc {
            font-size: 1.05rem;
            color: var(--text-soft);
            line-height: 1.7;
            max-width: 540px;
        }
        .article-hero-image {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 16 / 10;
            background: var(--bg-card);
        }
        .article-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .article-hero-image:hover img {
            transform: scale(1.03);
        }
        .article-hero-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(233, 69, 96, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        @media (max-width: 900px) {
            .article-hero .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-hero-info h1 {
                font-size: 1.8rem;
            }
            .article-hero-image {
                aspect-ratio: 16 / 9;
                order: -1;
            }
        }
        @media (max-width: 520px) {
            .article-hero-info h1 {
                font-size: 1.5rem;
            }
            .article-hero {
                padding: 28px 0 20px;
            }
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 48px 0 60px;
            background: var(--bg);
        }
        .article-main .container {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .article-content {
            min-width: 0;
        }
        .article-content .not-found {
            text-align: center;
            padding: 60px 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .article-content .not-found h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
            color: var(--text);
        }
        .article-content .not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-content .not-found .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        /* article body styling */
        .article-body {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            line-height: 1.85;
            color: var(--text-soft);
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            font-family: var(--font-sans);
            color: var(--text);
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            font-weight: 700;
            letter-spacing: -0.3px;
        }
        .article-body h2 {
            font-size: 1.6rem;
            border-left: 4px solid var(--accent);
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 1.3rem;
        }
        .article-body p {
            margin-bottom: 1.2em;
        }
        .article-body a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--accent-hover);
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2em;
            padding-left: 24px;
        }
        .article-body ul li {
            list-style: disc;
            margin-bottom: 0.4em;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.4em;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-soft);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-soft);
        }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.5em 0;
            box-shadow: var(--shadow);
        }
        .article-body pre,
        .article-body code {
            font-family: 'JetBrains Mono', 'Fira Code', monospace;
            background: var(--bg-card);
            border-radius: var(--radius-xs);
        }
        .article-body pre {
            padding: 20px;
            overflow-x: auto;
            border: 1px solid var(--border);
            margin: 1.2em 0;
        }
        .article-body code {
            padding: 2px 8px;
            font-size: 0.9em;
        }
        .article-body pre code {
            padding: 0;
            background: none;
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 2em 0;
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .sidebar-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3 i {
            color: var(--gold);
            font-size: 1rem;
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .sidebar-tags .tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--bg-soft);
            color: var(--text-soft);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .sidebar-tags .tag:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px var(--accent-glow);
        }
        .sidebar-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            background: var(--bg-soft);
            color: var(--text-soft);
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .sidebar-links a i {
            color: var(--accent);
            font-size: 0.9rem;
            width: 20px;
            text-align: center;
        }
        .sidebar-links a:hover {
            background: var(--bg-elevated);
            border-color: var(--border-light);
            color: var(--text);
            transform: translateX(4px);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary-light), var(--bg-card));
            border: 1px solid var(--accent-glow);
        }
        .sidebar-cta h3 {
            color: var(--accent);
        }
        .sidebar-cta p {
            font-size: 0.9rem;
            color: var(--text-soft);
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .sidebar-cta .btn {
            width: 100%;
            justify-content: center;
        }

        @media (max-width: 1000px) {
            .article-main .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 600px) {
            .article-sidebar {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Article Tags / Share ===== */
        .article-tags {
            padding: 20px 0 40px;
            border-top: 1px solid var(--border);
            margin-top: 40px;
        }
        .article-tags .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-tags .tags-list {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .article-tags .tags-list span {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .article-tags .tags-list .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--bg-soft);
            color: var(--text-soft);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .article-tags .tags-list .tag:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-share span {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-soft);
            color: var(--text-soft);
            border: 1px solid var(--border);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .article-share a:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px var(--accent-glow);
        }

        /* ===== Related Posts ===== */
        .related-posts {
            padding: 60px 0;
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
        }
        .related-posts .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 36px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-posts .section-title i {
            color: var(--gold);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .related-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .related-card .thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-elevated);
        }
        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .related-card:hover .thumb img {
            transform: scale(1.05);
        }
        .related-card .info {
            padding: 18px 20px 22px;
        }
        .related-card .info .badge-sm {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: var(--accent-glow);
            color: var(--accent);
            margin-bottom: 10px;
        }
        .related-card .info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .info p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .info .meta-sm {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .related-card .info .meta-sm i {
            margin-right: 4px;
        }

        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-posts .section-title {
                font-size: 1.3rem;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 64px 0;
            background: var(--bg);
            border-top: 1px solid var(--border);
        }
        .cta-box {
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-card) 100%);
            border-radius: var(--radius);
            padding: 48px 56px;
            text-align: center;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            position: relative;
        }
        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-soft);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
        }
        .cta-box .btn-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 20px var(--accent-glow);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px var(--accent-glow);
            color: #fff;
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline {
            background: transparent;
            color: var(--text);
            border: 2px solid var(--border-light);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            background: rgba(233, 69, 96, 0.06);
        }
        .btn-outline:active {
            transform: scale(0.97);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.88rem;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
        }

        @media (max-width: 600px) {
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .cta-box p {
                font-size: 0.95rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        /* ===== Footer ===== */
        footer {
            background: var(--primary);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            color: var(--text-soft);
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        footer .brand .logo {
            font-size: 1.3rem;
            margin-bottom: 14px;
            display: inline-flex;
        }
        footer .brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-muted);
            max-width: 400px;
            margin-bottom: 18px;
        }
        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: var(--bg-soft);
            color: var(--text-soft);
            border: 1px solid var(--border);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        footer .social a:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px var(--accent-glow);
        }
        footer .col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }
        footer .col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color var(--transition);
        }
        footer .col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            grid-column: 1 / -1;
            border-top: 1px solid var(--border);
            padding-top: 20px;
            margin-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-soft);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 768px) {
            footer .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            footer .brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--border-light);
        }

        /* ===== Selection ===== */
        ::selection {
            background: var(--accent);
            color: #fff;
        }

        /* ===== Responsive extras ===== */
        @media (max-width: 1024px) {
            .article-hero-info h1 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 480px) {
            .article-hero-info h1 {
                font-size: 1.35rem;
            }
            .article-body {
                font-size: 1rem;
            }
            .article-tags .container {
                flex-direction: column;
                align-items: flex-start;
            }
        }