/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e8491d;
            --primary-dark: #c73a14;
            --primary-light: #ff6a3d;
            --accent: #f59e0b;
            --bg-dark: #0a0e1a;
            --bg-dark-2: #111827;
            --bg-card: #1a2035;
            --bg-card-hover: #232b44;
            --bg-section: #0f1525;
            --text-white: #f1f5f9;
            --text-light: #94a3b8;
            --text-muted: #64748b;
            --border-color: #2a3350;
            --border-light: #3a4560;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px rgba(232,73,29,0.15);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
        }

        /* ===== 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);
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-white); }
        h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -0.02em; }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); letter-spacing: -0.01em; }
        h3 { font-size: clamp(1.2rem, 2.2vw, 1.6rem); }
        h4 { font-size: 1.15rem; }
        p { color: var(--text-light); margin-bottom: 1rem; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        /* ===== Foundation 覆盖 ===== */
        .grid-container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
        .cell { padding: 0; }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 48px);
            max-width: 1140px;
            background: rgba(10, 14, 26, 0.75);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border-radius: var(--radius-xl);
            border: 1px solid rgba(42, 51, 80, 0.5);
            box-shadow: 0 8px 40px rgba(0,0,0,0.5);
            padding: 0 28px;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 26, 0.92);
            border-color: var(--border-color);
            box-shadow: 0 4px 30px rgba(0,0,0,0.6);
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .site-logo i { color: var(--primary); font-size: 1.5rem; }
        .site-logo span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .site-logo:hover { opacity: 0.9; }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu a {
            color: var(--text-light);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-menu a:hover { color: var(--text-white); background: rgba(232, 73, 29, 0.12); }
        .nav-menu a.active {
            color: var(--text-white);
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(232, 73, 29, 0.3);
        }
        .nav-menu a.active:hover { background: var(--primary-dark); }

        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 8px 24px !important;
            border-radius: 50px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 20px rgba(232, 73, 29, 0.25);
        }
        .nav-cta:hover { background: var(--primary-dark) !important; transform: translateY(-1px); box-shadow: 0 6px 28px rgba(232, 73, 29, 0.35) !important; }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover { background: rgba(255,255,255,0.08); }

        /* ===== 移动端导航抽屉 ===== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            backdrop-filter: blur(8px);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .mobile-drawer.open { opacity: 1; visibility: visible; }
        .mobile-drawer-inner {
            position: absolute;
            top: 90px;
            left: 24px;
            right: 24px;
            background: var(--bg-dark-2);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 20px 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            box-shadow: var(--shadow-lg);
        }
        .mobile-drawer-inner a {
            color: var(--text-light);
            font-size: 1rem;
            font-weight: 500;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-drawer-inner a:hover { color: var(--text-white); background: rgba(232,73,29,0.1); }
        .mobile-drawer-inner a.active { color: var(--primary); background: rgba(232,73,29,0.08); font-weight: 600; }
        .mobile-drawer-close {
            position: absolute;
            top: 16px;
            right: 20px;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 24px 80px;
            background: linear-gradient(135deg, #0a0e1a 0%, #111827 50%, #0f1525 100%);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 70%;
            height: 90%;
            background: radial-gradient(ellipse at center, rgba(232,73,29,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 50%;
            height: 60%;
            background: radial-gradient(ellipse at center, rgba(245,158,11,0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232,73,29,0.12);
            border: 1px solid rgba(232,73,29,0.25);
            border-radius: 50px;
            padding: 6px 18px 6px 10px;
            font-size: 0.82rem;
            color: var(--primary-light);
            margin-bottom: 24px;
            font-weight: 500;
        }
        .hero-badge i { font-size: 0.7rem; color: var(--primary); }
        .hero-content { position: relative; z-index: 2; text-align: center; max-width: 860px; margin: 0 auto; }
        .hero-content h1 { margin-bottom: 20px; }
        .hero-content h1 .highlight { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero-content p { font-size: clamp(1.05rem, 1.8vw, 1.25rem); color: var(--text-light); max-width: 640px; margin: 0 auto 32px; line-height: 1.8; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
        .hero-actions .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            box-shadow: 0 8px 32px rgba(232,73,29,0.3);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .hero-actions .btn-primary:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(232,73,29,0.4); }
        .hero-actions .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--text-white);
            font-weight: 500;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            border: 1.5px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .hero-actions .btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(232,73,29,0.06); transform: translateY(-2px); }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px 60px;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(42,51,80,0.4);
        }
        .hero-stat { text-align: center; }
        .hero-stat .num { font-size: 2rem; font-weight: 800; color: var(--text-white); letter-spacing: -0.02em; }
        .hero-stat .num i { color: var(--primary); font-size: 1.2rem; margin-right: 4px; }
        .hero-stat .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

        /* ===== 板块通用 ===== */
        .section-padding { padding: 90px 0; }
        .section-title { text-align: center; margin-bottom: 16px; }
        .section-subtitle { text-align: center; color: var(--text-muted); font-size: 1.05rem; max-width: 600px; margin: 0 auto 48px; }
        .section-divider { width: 60px; height: 3px; background: var(--primary); border-radius: 4px; margin: 16px auto 40px; }

        /* ===== 平台简介 ===== */
        .intro-section { background: var(--bg-section); position: relative; }
        .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
        .intro-content h2 { margin-bottom: 20px; }
        .intro-content p { margin-bottom: 16px; }
        .intro-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
        .intro-feature-item { display: flex; align-items: center; gap: 12px; color: var(--text-light); font-size: 0.95rem; }
        .intro-feature-item i { color: var(--primary); font-size: 1rem; width: 20px; text-align: center; }
        .intro-image { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); background: var(--bg-card); aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border-color); }
        .intro-image-placeholder { font-size: 4rem; color: var(--primary); opacity: 0.3; }

        /* ===== 分类卡片 ===== */
        .categories-section { background: var(--bg-dark); }
        .categories-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 28px 32px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .category-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); opacity: 0; transition: var(--transition); }
        .category-card:hover { transform: translateY(-6px); border-color: var(--border-light); box-shadow: var(--shadow-md); background: var(--bg-card-hover); }
        .category-card:hover::before { opacity: 1; }
        .category-card .icon { font-size: 2.4rem; color: var(--primary); margin-bottom: 18px; display: block; }
        .category-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
        .category-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 18px; line-height: 1.6; }
        .category-card .tag { display: inline-block; background: rgba(232,73,29,0.1); color: var(--primary-light); font-size: 0.78rem; padding: 4px 14px; border-radius: 50px; font-weight: 500; }
        .category-card a { color: inherit; }
        .category-card a:hover { color: var(--primary); }

        /* ===== 数据区块 ===== */
        .stats-section { background: var(--bg-dark-2); position: relative; }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover { border-color: var(--border-light); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
        .stat-card .num { font-size: 2.2rem; font-weight: 800; color: var(--text-white); }
        .stat-card .num .unit { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
        .stat-card .label { font-size: 0.9rem; color: var(--text-muted); margin-top: 6px; }
        .stat-card .icon { color: var(--primary); font-size: 1.4rem; margin-bottom: 12px; }

        /* ===== 最新资讯 (CMS) ===== */
        .news-section { background: var(--bg-section); }
        .news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover { transform: translateY(-4px); border-color: var(--border-light); box-shadow: var(--shadow-md); background: var(--bg-card-hover); }
        .news-card .meta { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 12px; flex-wrap: wrap; }
        .news-card .meta .cat { background: rgba(232,73,29,0.1); color: var(--primary-light); padding: 2px 12px; border-radius: 50px; font-weight: 500; }
        .news-card .meta .date { color: var(--text-muted); }
        .news-card h3 { font-size: 1.1rem; margin-bottom: 10px; line-height: 1.4; }
        .news-card h3 a { color: var(--text-white); }
        .news-card h3 a:hover { color: var(--primary); }
        .news-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; flex: 1; }
        .news-card .read-more { color: var(--primary); font-size: 0.88rem; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; }
        .news-card .read-more:hover { gap: 12px; }
        .news-empty { grid-column: 1 / -1; text-align: center; padding: 48px 20px; color: var(--text-muted); font-size: 1.05rem; background: var(--bg-card); border-radius: var(--radius-md); border: 1px dashed var(--border-color); }

        /* ===== 流程/特色 ===== */
        .process-section { background: var(--bg-dark); }
        .process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: step; }
        .process-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .process-card:hover { transform: translateY(-5px); border-color: var(--border-light); box-shadow: var(--shadow-md); }
        .process-card .step-num { font-size: 2.8rem; font-weight: 800; color: rgba(232,73,29,0.12); line-height: 1; margin-bottom: 8px; font-family: monospace; }
        .process-card .icon { font-size: 2rem; color: var(--primary); margin-bottom: 16px; display: block; }
        .process-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
        .process-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg-section); }
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--border-light); }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-white);
            font-size: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { color: var(--primary); font-size: 0.85rem; transition: var(--transition); flex-shrink: 0; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark-2), #1a2035);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before { content: ''; position: absolute; top: -40%; right: -20%; width: 60%; height: 120%; background: radial-gradient(ellipse, rgba(232,73,29,0.06) 0%, transparent 70%); pointer-events: none; }
        .cta-box { text-align: center; position: relative; z-index: 2; max-width: 700px; margin: 0 auto; }
        .cta-box h2 { margin-bottom: 16px; }
        .cta-box p { color: var(--text-light); margin-bottom: 32px; font-size: 1.05rem; }
        .cta-box .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            padding: 16px 44px;
            border-radius: 50px;
            font-size: 1.1rem;
            box-shadow: 0 8px 32px rgba(232,73,29,0.3);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .cta-box .btn-cta:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 12px 44px rgba(232,73,29,0.4); }
        .cta-box .btn-cta i { font-size: 1rem; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark-2);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 32px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
        .footer-brand .site-logo { margin-bottom: 16px; }
        .footer-brand p { font-size: 0.9rem; color: var(--text-muted); max-width: 320px; line-height: 1.7; }
        .footer-col h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-white); margin-bottom: 16px; }
        .footer-col a { display: block; color: var(--text-muted); font-size: 0.88rem; padding: 4px 0; transition: var(--transition); }
        .footer-col a:hover { color: var(--primary); padding-left: 4px; }
        .footer-bottom { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
        .footer-bottom p { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0; }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a { color: var(--text-muted); font-size: 1.1rem; transition: var(--transition); }
        .footer-social a:hover { color: var(--primary); transform: translateY(-2px); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .intro-grid { grid-template-columns: 1fr; gap: 40px; }
            .intro-image { order: -1; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 900px) {
            .nav-menu { display: none; }
            .nav-toggle { display: block; }
            .mobile-drawer { display: block; }
            .site-header { top: 16px; padding: 0 20px; height: 64px; }
            .hero-section { padding: 100px 20px 60px; min-height: auto; }
            .hero-stats { gap: 24px 36px; }
            .categories-grid { grid-template-columns: 1fr 1fr; }
            .process-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .section-padding { padding: 60px 0; }
            .categories-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
            .news-grid { grid-template-columns: 1fr; }
            .process-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .hero-stats { flex-direction: column; gap: 20px; }
            .section-subtitle { font-size: 0.95rem; }
            .intro-features { grid-template-columns: 1fr; }
        }

        @media (max-width: 520px) {
            .site-header { padding: 0 16px; height: 58px; width: calc(100% - 24px); top: 12px; }
            .site-logo { font-size: 1.1rem; }
            .hero-content h1 { font-size: 1.8rem; }
            .hero-content p { font-size: 0.95rem; }
            .hero-actions .btn-primary, .hero-actions .btn-outline { padding: 12px 24px; font-size: 0.95rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-card { padding: 20px 12px; }
            .stat-card .num { font-size: 1.6rem; }
            .news-card { padding: 20px 16px; }
            .category-card { padding: 24px 20px; }
            .cta-box .btn-cta { padding: 14px 28px; font-size: 1rem; }
            .faq-question { font-size: 0.92rem; padding: 16px 18px; }
            .faq-answer { padding: 0 18px 16px; font-size: 0.88rem; }
        }

        /* ===== 工具类 ===== */
        .text-primary { color: var(--primary); }
        .text-gradient { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mb-1 { margin-bottom: 8px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e50914;
            --primary-dark: #b20710;
            --primary-light: #ff3b3f;
            --secondary: #0a0a23;
            --secondary-light: #1a1a3e;
            --accent: #ffd700;
            --bg-dark: #0d0d1a;
            --bg-card: #12122a;
            --bg-section: #0f0f24;
            --bg-light: #f5f5fa;
            --text-light: #ffffff;
            --text-muted: #b0b0c8;
            --text-dark: #1a1a2e;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(229, 9, 20, 0.3);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
            --max-width: 1200px;
            --section-gap: 80px;
        }

        /* ===== 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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-light);
            background: var(--bg-dark);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Foundation Overrides ===== */
        .grid-container {
            max-width: var(--max-width);
            padding: 0 24px;
        }
        @media screen and (max-width: 768px) {
            .grid-container {
                padding: 0 16px;
            }
        }
        .grid-x {
            margin: 0 -12px;
        }
        .cell {
            padding: 12px;
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-light);
            letter-spacing: -0.02em;
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            margin-bottom: 0.5em;
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.6rem);
            margin-bottom: 0.6em;
        }
        h3 {
            font-size: clamp(1.2rem, 2.2vw, 1.6rem);
            margin-bottom: 0.5em;
        }
        h4 {
            font-size: 1.15rem;
            margin-bottom: 0.4em;
        }
        p {
            margin-bottom: 1em;
            color: var(--text-muted);
        }
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary);
        }

        /* ===== Section ===== */
        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }
        .section-dark {
            background: var(--bg-section);
        }
        .section-card-bg {
            background: var(--bg-card);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 12px;
        }
        .section-title p {
            max-width: 640px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px auto 24px;
        }

        /* ===== Header & Navigation (悬浮胶囊导航) ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 48px);
            max-width: 1100px;
            background: rgba(10, 10, 35, 0.85);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md), 0 0 40px rgba(0, 0, 0, 0.3);
            padding: 0 24px;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: var(--transition);
        }
        .site-header.scrolled {
            top: 8px;
            background: rgba(8, 8, 28, 0.92);
            box-shadow: var(--shadow-lg);
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .site-logo i {
            color: var(--primary);
            font-size: 1.4rem;
        }
        .site-logo span {
            color: var(--primary);
        }
        .site-logo:hover {
            color: var(--text-light);
            opacity: 0.9;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-menu a {
            padding: 8px 18px;
            border-radius: var(--radius-lg);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-menu a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-menu a.active {
            color: var(--text-light);
            background: var(--primary);
            box-shadow: var(--shadow-glow);
        }
        .nav-menu a.active:hover {
            background: var(--primary-dark);
        }
        .nav-menu .nav-cta {
            background: var(--primary);
            color: var(--text-light);
            padding: 8px 22px;
            border-radius: var(--radius-lg);
            font-weight: 600;
            margin-left: 8px;
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.35);
        }
        .nav-menu .nav-cta i {
            margin-left: 6px;
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .nav-menu .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(229, 9, 20, 0.45);
            color: var(--text-light);
        }
        .nav-menu .nav-cta:hover i {
            transform: translateX(4px);
        }

        /* Mobile Toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        @media screen and (max-width: 1024px) {
            .site-header {
                padding: 0 16px;
                width: calc(100% - 24px);
                top: 12px;
            }
            .nav-menu a {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
        }

        @media screen and (max-width: 768px) {
            .site-header {
                top: 8px;
                height: 64px;
                padding: 0 16px;
                width: calc(100% - 16px);
                border-radius: var(--radius-lg);
            }
            .site-logo {
                font-size: 1.1rem;
            }
            .site-logo i {
                font-size: 1.2rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                position: fixed;
                top: 72px;
                left: 8px;
                right: 8px;
                background: rgba(10, 10, 35, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: var(--radius-lg);
                border: 1px solid var(--border-color);
                flex-direction: column;
                padding: 16px;
                gap: 6px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px) scale(0.96);
                transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: var(--shadow-lg);
                max-height: 80vh;
                overflow-y: auto;
            }
            .nav-menu.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0) scale(1);
            }
            .nav-menu a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .nav-menu .nav-cta {
                margin-left: 0;
                margin-top: 4px;
            }
            .site-header .container {
                padding: 0;
            }
        }

        @media screen and (max-width: 520px) {
            .site-header {
                height: 60px;
                top: 6px;
                padding: 0 12px;
                border-radius: var(--radius-md);
            }
            .site-logo {
                font-size: 1rem;
                gap: 6px;
            }
            .site-logo i {
                font-size: 1rem;
            }
            .nav-menu {
                top: 66px;
                left: 4px;
                right: 4px;
                padding: 12px;
                border-radius: var(--radius-md);
            }
            .nav-menu a {
                padding: 10px 14px;
                font-size: 0.88rem;
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, #0a0a23 0%, #1a0a0a 50%, #0d0d1a 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(229, 9, 20, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            margin-bottom: 16px;
        }
        .page-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 32px;
            margin-top: 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .page-hero .hero-meta i {
            margin-right: 6px;
            color: var(--primary);
        }
        .page-hero .hero-meta span {
            color: var(--text-light);
            font-weight: 500;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            padding: 0;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: '/';
            margin-right: 8px;
            color: var(--text-muted);
            opacity: 0.5;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--text-light);
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
        }
        .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--secondary-light);
        }
        .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 16px;
        }
        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .card-tag {
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(229, 9, 20, 0.12);
            color: var(--primary-light);
            border: 1px solid rgba(229, 9, 20, 0.2);
        }
        .card-tag.alt {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent);
            border-color: rgba(255, 215, 0, 0.2);
        }
        .card-tag.info {
            background: rgba(0, 180, 255, 0.1);
            color: #4dc9f6;
            border-color: rgba(0, 180, 255, 0.2);
        }
        .card-footer-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: auto;
            transition: var(--transition);
        }
        .card-footer-link i {
            transition: var(--transition);
            font-size: 0.75rem;
        }
        .card-footer-link:hover {
            color: var(--primary-light);
        }
        .card-footer-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Guide List ===== */
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .guide-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .guide-item:hover {
            border-color: var(--border-light);
            background: rgba(18, 18, 42, 0.8);
            transform: translateX(4px);
        }
        .guide-step {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(229, 9, 20, 0.3);
        }
        .guide-content {
            flex: 1;
        }
        .guide-content h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
        }
        .guide-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .guide-content .guide-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .guide-content .guide-meta i {
            color: var(--primary);
            margin-right: 4px;
        }

        @media screen and (max-width: 768px) {
            .guide-item {
                padding: 16px 18px;
                gap: 14px;
            }
            .guide-step {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-light);
            transition: var(--transition);
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-body);
        }
        .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-question i {
            transition: var(--transition);
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media screen and (max-width: 768px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 0.92rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--bg-card) 0%, rgba(229, 9, 20, 0.06) 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-box {
            background: linear-gradient(145deg, var(--secondary-light), var(--bg-card));
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            border: 1px solid var(--border-color);
            text-align: center;
            box-shadow: var(--shadow-md);
        }
        .cta-box h2 {
            margin-bottom: 12px;
        }
        .cta-box p {
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1.02rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: var(--radius-lg);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            font-family: var(--font-body);
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-light);
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(229, 9, 20, 0.45);
            color: var(--text-light);
        }
        .btn-primary i {
            transition: var(--transition);
        }
        .btn-primary:hover i {
            transform: translateX(4px);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-light);
            border: 2px solid var(--border-light);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.15);
        }

        @media screen and (max-width: 768px) {
            .cta-box {
                padding: 32px 20px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.92rem;
            }
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            padding: 40px 0;
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 16px 8px;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-number .num-accent {
            color: var(--primary);
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        @media screen and (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }
        @media screen and (max-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
        }

        /* ===== Pagination ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .pagination-wrap a,
        .pagination-wrap span {
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            transition: var(--transition);
        }
        .pagination-wrap a:hover {
            border-color: var(--primary);
            color: var(--text-light);
            background: rgba(229, 9, 20, 0.08);
        }
        .pagination-wrap .current {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--text-light);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #08081a;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            font-size: 1.2rem;
            margin-bottom: 16px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            max-width: 360px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 1.05rem;
        }
        .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--text-light);
            transform: translateY(-3px);
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.3);
        }

        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media screen and (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media screen and (max-width: 520px) {
            .site-footer {
                padding: 40px 0 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        /* ===== Responsive Helpers ===== */
        @media screen and (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .page-hero {
                padding: 120px 0 40px;
            }
            .hide-mobile {
                display: none !important;
            }
        }
        @media screen and (min-width: 769px) {
            .hide-desktop {
                display: none !important;
            }
        }

        /* ===== Focus / Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== Search Box ===== */
        .search-wrap {
            display: flex;
            max-width: 480px;
            margin: 24px auto 0;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .search-wrap:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(229, 9, 20, 0.12);
        }
        .search-wrap input {
            flex: 1;
            padding: 14px 20px;
            background: transparent;
            border: none;
            color: var(--text-light);
            font-size: 0.95rem;
            outline: none;
        }
        .search-wrap input::placeholder {
            color: var(--text-muted);
        }
        .search-wrap button {
            padding: 14px 22px;
            background: var(--primary);
            border: none;
            color: var(--text-light);
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }
        .search-wrap button:hover {
            background: var(--primary-dark);
        }

        /* ===== Tags Cloud ===== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
        }
        .tags-cloud a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            transition: var(--transition);
        }
        .tags-cloud a:hover {
            border-color: var(--primary);
            color: var(--text-light);
            background: rgba(229, 9, 20, 0.06);
            transform: translateY(-2px);
        }

        /* ===== Additional Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-in-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-in-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-in-delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e2361a;
            --primary-dark: #b82d15;
            --primary-light: #ff4d30;
            --secondary: #1a2b4a;
            --secondary-light: #2c4068;
            --accent: #f5c518;
            --bg-dark: #0f1923;
            --bg-darker: #0b1219;
            --bg-card: #162230;
            --bg-card-hover: #1c2e40;
            --bg-light: #f8f9fc;
            --text-white: #ffffff;
            --text-light: #e8edf5;
            --text-muted: #8a9bb5;
            --text-body: #1a2332;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: #e0e5ed;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.15);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.2);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --nav-height: 72px;
            --max-width: 1200px;
            --gap: 32px;
        }

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

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        @media screen and (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Typography ===== */
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(226, 54, 26, 0.12);
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 12px;
            border: 1px solid rgba(226, 54, 26, 0.2);
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .section-title .highlight {
            color: var(--primary);
        }

        .section-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.7;
        }

        @media screen and (max-width: 768px) {
            .section-title {
                font-size: 1.7rem;
            }
            .section-sub {
                font-size: 0.95rem;
            }
        }

        /* ===== Header & Navigation (Capsule style) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 0;
            transition: var(--transition);
            background: rgba(15, 25, 35, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .site-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            white-space: nowrap;
        }
        .site-logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .site-logo span {
            color: var(--primary);
        }
        .site-logo:hover {
            color: var(--text-white);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            white-space: nowrap;
            background: transparent;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-white);
        }
        .nav-menu a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(226, 54, 26, 0.35);
        }
        .nav-menu a.active:hover {
            background: var(--primary-dark);
        }

        .nav-menu a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 24px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 20px rgba(226, 54, 26, 0.3);
        }
        .nav-menu a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 28px rgba(226, 54, 26, 0.4);
        }
        .nav-menu a.nav-cta i {
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .nav-menu a.nav-cta:hover i {
            transform: translateX(4px);
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: var(--text-white);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        @media screen and (max-width: 900px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 8px);
                left: 16px;
                right: 16px;
                background: rgba(15, 25, 35, 0.98);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                border-radius: var(--radius);
                padding: 16px 12px;
                border: 1px solid var(--border-color);
                box-shadow: var(--shadow);
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 18px;
                font-size: 0.95rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .hamburger {
                display: flex;
            }
        }

        @media screen and (max-width: 520px) {
            .site-logo {
                font-size: 1.2rem;
            }
            .site-logo i {
                font-size: 1.3rem;
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 50%, rgba(226, 54, 26, 0.08) 100%);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(226, 54, 26, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .page-hero .section-title {
            font-size: 2.8rem;
            margin-bottom: 16px;
        }
        .page-hero .section-sub {
            margin: 0 auto 28px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px 20px;
            font-size: 0.95rem;
            color: var(--text-muted);
        }
        .hero-meta i {
            color: var(--primary);
            margin-right: 6px;
        }

        @media screen and (max-width: 768px) {
            .page-hero {
                padding: 110px 0 50px;
            }
            .page-hero .section-title {
                font-size: 1.8rem;
            }
        }

        /* ===== Category Tabs ===== */
        .category-tabs {
            padding: 40px 0 20px;
            background: var(--bg-dark);
        }
        .tabs-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tabs-grid .tab-item {
            padding: 10px 26px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tabs-grid .tab-item i {
            font-size: 0.85rem;
            color: var(--primary);
        }
        .tabs-grid .tab-item:hover {
            background: var(--bg-card-hover);
            color: var(--text-white);
            border-color: rgba(226, 54, 26, 0.3);
        }
        .tabs-grid .tab-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(226, 54, 26, 0.3);
        }
        .tabs-grid .tab-item.active i {
            color: #fff;
        }

        /* ===== News Grid ===== */
        .news-section {
            padding: 60px 0 80px;
            background: var(--bg-dark);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            border-color: rgba(226, 54, 26, 0.2);
            box-shadow: var(--shadow-card);
            background: var(--bg-card-hover);
        }
        .news-thumb {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--bg-darker);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.5px;
        }
        .news-tag.hot {
            background: var(--accent);
            color: var(--bg-darker);
        }
        .news-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-body .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }
        .news-body .news-date i {
            color: var(--primary);
        }
        .news-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .news-body .news-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-body .news-link i {
            font-size: 0.75rem;
            transition: var(--transition);
        }
        .news-body .news-link:hover i {
            transform: translateX(4px);
        }

        @media screen and (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media screen and (max-width: 640px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-body {
                padding: 16px 18px 20px;
            }
            .news-body h3 {
                font-size: 1.05rem;
            }
        }

        /* ===== Featured / Big Card ===== */
        .featured-section {
            padding: 60px 0;
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .featured-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: var(--gap);
        }
        .featured-main {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .featured-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(226, 54, 26, 0.2);
        }
        .featured-main .featured-thumb {
            aspect-ratio: 16/9;
            background: var(--bg-darker);
            overflow: hidden;
        }
        .featured-main .featured-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .featured-main:hover .featured-thumb img {
            transform: scale(1.03);
        }
        .featured-main .featured-body {
            padding: 24px 28px 28px;
        }
        .featured-main .featured-body .badge {
            display: inline-block;
            background: rgba(226, 54, 26, 0.15);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            border: 1px solid rgba(226, 54, 26, 0.15);
        }
        .featured-main .featured-body h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .featured-main .featured-body p {
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .featured-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .featured-list-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .featured-list-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(226, 54, 26, 0.2);
            transform: translateX(4px);
        }
        .featured-list-item .fl-thumb {
            width: 80px;
            height: 60px;
            border-radius: 6px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-darker);
        }
        .featured-list-item .fl-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-list-item .fl-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-list-item .fl-body .fl-date {
            font-size: 0.7rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .featured-list-item .fl-body .fl-date i {
            color: var(--primary);
            font-size: 0.6rem;
        }
        .featured-list-item .fl-body h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-light);
            line-height: 1.4;
            margin-top: 2px;
        }

        @media screen and (max-width: 900px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .featured-main .featured-body h3 {
                font-size: 1.25rem;
            }
        }

        @media screen and (max-width: 520px) {
            .featured-list-item {
                padding: 12px 14px;
                gap: 12px;
            }
            .featured-list-item .fl-thumb {
                width: 60px;
                height: 48px;
            }
            .featured-list-item .fl-body h4 {
                font-size: 0.85rem;
            }
        }

        /* ===== Stats / Counters ===== */
        .stats-section {
            padding: 60px 0;
            background: var(--bg-dark);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(226, 54, 26, 0.15);
            transform: translateY(-3px);
        }
        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .stat-item .stat-icon {
            font-size: 1.6rem;
            color: rgba(226, 54, 26, 0.2);
            margin-bottom: 8px;
        }

        @media screen and (max-width: 900px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== Quick Links ===== */
        .quicklinks-section {
            padding: 50px 0 70px;
            background: var(--bg-dark);
        }
        .quicklinks-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .quicklink-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            color: var(--text-light);
            font-weight: 500;
        }
        .quicklink-item i {
            font-size: 1.2rem;
            color: var(--primary);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(226, 54, 26, 0.1);
            border-radius: 8px;
            flex-shrink: 0;
        }
        .quicklink-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(226, 54, 26, 0.2);
            color: var(--text-white);
            transform: translateY(-2px);
        }

        @media screen and (max-width: 900px) {
            .quicklinks-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 480px) {
            .quicklinks-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-darker) 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-box {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .cta-box p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        .cta-box .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 24px rgba(226, 54, 26, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(226, 54, 26, 0.4);
            color: #fff;
        }
        .btn-primary i {
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .btn-primary:hover i {
            transform: translateX(4px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: transparent;
            color: var(--text-light);
            border: 2px solid rgba(255, 255, 255, 0.15);
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(226, 54, 26, 0.05);
        }

        @media screen and (max-width: 520px) {
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .cta-box p {
                font-size: 0.9rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            padding: 60px 0 0;
            border-top: 1px solid var(--border-color);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            margin-bottom: 16px;
            font-size: 1.4rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 24px 0;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 1rem;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        @media screen and (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media screen and (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Responsive extras ===== */
        @media screen and (max-width: 640px) {
            .container {
                padding: 0 14px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-sub {
                font-size: 0.9rem;
            }
        }

        /* ===== Focus visible ===== */
        a:focus-visible,
        button:focus-visible,
        .tab-item:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Foundation overrides */
        .grid-container {
            max-width: var(--max-width);
            padding-left: 24px;
            padding-right: 24px;
        }
        @media screen and (max-width: 768px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #d92b2b;
            --primary-dark: #a31f1f;
            --primary-light: #f23b3b;
            --accent: #1a1a2e;
            --accent-light: #2d2d4a;
            --bg-dark: #0d0d0d;
            --bg-section: #f5f5f0;
            --bg-card: #ffffff;
            --bg-card-alt: #fafaf7;
            --text-primary: #1a1a1a;
            --text-secondary: #555555;
            --text-light: #888888;
            --text-on-dark: #f0f0f0;
            --text-muted-dark: #aaaaaa;
            --border-color: #e0e0d8;
            --border-light: #f0f0eb;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --shadow-red: 0 8px 30px rgba(217, 43, 43, 0.15);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --header-height: 76px;
        }

        /* ===== Base Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--bg-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }
        p { margin-bottom: 1rem; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 820px; margin: 0 auto; padding: 0 24px; }

        /* ===== Typography ===== */
        .section-title { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.5rem; }
        .section-subtitle { font-size: 1.1rem; color: var(--text-secondary); max-width: 640px; line-height: 1.6; }
        .text-center { text-align: center; }
        .text-primary { color: var(--primary); }

        /* ===== Header / Nav (悬浮胶囊导航) ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            background: rgba(13, 13, 13, 0.88);
            backdrop-filter: blur(18px) saturate(1.4);
            -webkit-backdrop-filter: blur(18px) saturate(1.4);
            border-radius: 60px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
            padding: 0 28px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled { background: rgba(13, 13, 13, 0.96); box-shadow: 0 16px 50px rgba(0, 0, 0, 0.7); }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .site-logo i { color: var(--primary); font-size: 1.3rem; }
        .site-logo span { color: var(--primary); }
        .site-logo:hover { color: #fff; opacity: 0.9; }
        .nav-menu { display: flex; align-items: center; gap: 6px; }
        .nav-menu a {
            color: rgba(255, 255, 255, 0.75);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-menu a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
        .nav-menu a.active { color: #fff; background: var(--primary); }
        .nav-menu a.active:hover { background: var(--primary-dark); }
        .nav-menu a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 6px 22px;
            font-weight: 600;
            border-radius: 40px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-menu a.nav-cta:hover { background: var(--primary-dark); transform: scale(1.02); }
        .nav-menu a.nav-cta i { font-size: 0.8rem; transition: transform var(--transition); }
        .nav-menu a.nav-cta:hover i { transform: translateX(4px); }
        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.4rem; cursor: pointer; padding: 4px 8px; border-radius: 8px; transition: background var(--transition); }
        .nav-toggle:hover { background: rgba(255, 255, 255, 0.08); }

        /* ===== Mobile Nav ===== */
        @media (max-width: 868px) {
            .site-header { padding: 0 18px; height: 56px; top: 12px; width: calc(100% - 24px); border-radius: 50px; }
            .nav-menu { display: none; position: absolute; top: calc(100% + 10px); left: 0; right: 0; background: rgba(13, 13, 13, 0.98); backdrop-filter: blur(20px); border-radius: 24px; border: 1px solid rgba(255,255,255,0.06); padding: 12px 16px; flex-direction: column; gap: 4px; box-shadow: 0 20px 60px rgba(0,0,0,0.8); }
            .nav-menu.open { display: flex; }
            .nav-menu a { width: 100%; padding: 10px 16px; border-radius: 12px; font-size: 1rem; }
            .nav-menu a.nav-cta { justify-content: center; margin-top: 6px; }
            .nav-toggle { display: block; }
        }
        @media (max-width: 520px) {
            .site-header { height: 52px; top: 10px; padding: 0 14px; }
            .site-logo { font-size: 1.1rem; gap: 6px; }
            .site-logo i { font-size: 1rem; }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            background: linear-gradient(145deg, #0d0d0d 0%, #1a1a2e 100%);
            padding: 140px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(217,43,43,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(217,43,43,0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-hero .container-narrow { position: relative; z-index: 1; }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted-dark);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a { color: var(--text-muted-dark); }
        .article-breadcrumb a:hover { color: var(--primary); }
        .article-breadcrumb i { font-size: 0.6rem; color: var(--text-muted-dark); }
        .article-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(217,43,43,0.18);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            border: 1px solid rgba(217,43,43,0.15);
        }
        .article-badge i { font-size: 0.65rem; }
        .article-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            color: var(--text-muted-dark);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .article-meta i { margin-right: 6px; color: var(--primary); opacity: 0.7; }
        .article-meta span { display: inline-flex; align-items: center; }

        /* ===== Article Content ===== */
        .article-section { background: var(--bg-section); padding: 60px 0; }
        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-content h2 { font-size: 1.7rem; font-weight: 700; margin-top: 2rem; margin-bottom: 1rem; color: var(--text-primary); }
        .article-content h3 { font-size: 1.3rem; font-weight: 600; margin-top: 1.6rem; margin-bottom: 0.8rem; }
        .article-content p { margin-bottom: 1.2rem; }
        .article-content ul, .article-content ol { margin-bottom: 1.2rem; padding-left: 1.6rem; list-style: disc; }
        .article-content li { margin-bottom: 0.4rem; }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-card-alt);
            padding: 16px 24px;
            margin: 1.6rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content img { border-radius: var(--radius); margin: 1.6rem 0; box-shadow: var(--shadow-sm); }
        .article-content a { color: var(--primary); font-weight: 500; text-decoration: underline; text-underline-offset: 2px; }
        .article-content a:hover { color: var(--primary-dark); }

        /* ===== Article Footer ===== */
        .article-footer {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 32px;
            margin-top: 32px;
            border-top: 1px solid var(--border-color);
            gap: 16px;
        }
        .article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--bg-card-alt);
            border: 1px solid var(--border-color);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .article-share { display: flex; align-items: center; gap: 8px; }
        .article-share span { font-size: 0.85rem; color: var(--text-secondary); }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-card-alt);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: all var(--transition);
            font-size: 0.95rem;
        }
        .article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* ===== Article Navigation ===== */
        .article-nav-section { background: var(--bg-card); padding: 40px 0; border-top: 1px solid var(--border-color); }
        .article-nav-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 20px;
        }
        .article-nav-link {
            flex: 1;
            min-width: 200px;
            padding: 20px 24px;
            border-radius: var(--radius);
            background: var(--bg-card-alt);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .article-nav-link:hover { border-color: var(--primary); box-shadow: var(--shadow-red); }
        .article-nav-link .nav-label { font-size: 0.8rem; color: var(--text-light); margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
        .article-nav-link .nav-title { font-size: 1rem; font-weight: 600; color: var(--text-primary); }
        .article-nav-link.next { text-align: right; }

        /* ===== Related Posts ===== */
        .related-section { background: var(--bg-section); padding: 60px 0; }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            padding: 24px 24px 28px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--primary); }
        .related-card .rc-badge { font-size: 0.7rem; font-weight: 600; color: var(--primary); background: rgba(217,43,43,0.08); padding: 2px 10px; border-radius: 40px; display: inline-block; margin-bottom: 10px; }
        .related-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
        .related-card h3 a { color: inherit; }
        .related-card h3 a:hover { color: var(--primary); }
        .related-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.6; }
        .related-card .rc-meta { font-size: 0.8rem; color: var(--text-light); display: flex; align-items: center; gap: 12px; }
        .related-card .rc-meta i { font-size: 0.7rem; }

        /* ===== CTA Section ===== */
        .cta-section-dark {
            background: linear-gradient(145deg, #0d0d0d, #1a1a2e);
            padding: 64px 0;
            text-align: center;
            border-top: 1px solid rgba(255,255,255,0.04);
        }
        .cta-section-dark h2 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
        .cta-section-dark p { color: var(--text-muted-dark); max-width: 560px; margin: 0 auto 28px; font-size: 1.05rem; }
        .cta-section-dark .button { background: var(--primary); color: #fff; padding: 14px 40px; border-radius: 60px; font-weight: 600; font-size: 1rem; border: none; display: inline-flex; align-items: center; gap: 10px; transition: all var(--transition); }
        .cta-section-dark .button:hover { background: var(--primary-dark); transform: scale(1.02); box-shadow: var(--shadow-red); }
        .cta-section-dark .button i { font-size: 0.85rem; transition: transform var(--transition); }
        .cta-section-dark .button:hover i { transform: translateX(4px); }

        /* ===== Footer (复用首页结构) ===== */
        .site-footer {
            background: #080808;
            border-top: 1px solid rgba(255,255,255,0.04);
            padding: 56px 0 0;
            color: var(--text-muted-dark);
        }
        .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
        .footer-brand .site-logo { font-size: 1.4rem; margin-bottom: 12px; display: inline-flex; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: var(--text-muted-dark); max-width: 360px; }
        .footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; letter-spacing: 0.02em; }
        .footer-col a { display: block; color: var(--text-muted-dark); font-size: 0.9rem; padding: 4px 0; transition: color var(--transition), padding-left var(--transition); }
        .footer-col a:hover { color: var(--primary); padding-left: 6px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.04);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
        }
        .footer-bottom p { margin: 0; color: var(--text-muted-dark); }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a { color: var(--text-muted-dark); font-size: 1.1rem; transition: color var(--transition); }
        .footer-social a:hover { color: var(--primary); }

        /* ===== 文章不存在状态 ===== */
        .not-found-box {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }
        .not-found-box i { font-size: 3rem; color: var(--primary); opacity: 0.6; margin-bottom: 16px; display: block; }
        .not-found-box h2 { font-size: 1.6rem; margin-bottom: 8px; }
        .not-found-box p { color: var(--text-secondary); margin-bottom: 16px; }
        .not-found-box a { color: var(--primary); font-weight: 500; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .article-hero h1 { font-size: 2.2rem; }
            .section-title { font-size: 1.8rem; }
        }
        @media (max-width: 768px) {
            .article-hero { padding: 120px 0 40px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-content { padding: 28px 24px; border-radius: var(--radius); }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .section-title { font-size: 1.6rem; }
            .article-meta { flex-direction: column; gap: 8px; }
            .article-nav-links { flex-direction: column; }
            .article-nav-link.next { text-align: left; }
        }
        @media (max-width: 520px) {
            .article-hero { padding: 100px 0 30px; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-content { padding: 20px 16px; font-size: 0.95rem; }
            .container { padding: 0 16px; }
            .container-narrow { padding: 0 16px; }
            .cta-section-dark h2 { font-size: 1.4rem; }
            .cta-section-dark .button { padding: 12px 28px; font-size: 0.9rem; }
            .related-card { padding: 20px; }
            .article-footer { flex-direction: column; align-items: flex-start; }
        }

        /* ===== Foundation 覆盖 ===== */
        .button { margin: 0; }
        .grid-container { padding: 0; max-width: var(--max-width); }

/* roulang page: category3 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e50914;
            --primary-dark: #b20710;
            --primary-light: #ff3b3b;
            --secondary: #1a1a2e;
            --accent: #f5c518;
            --bg-dark: #0f0f1a;
            --bg-darker: #0a0a14;
            --bg-card: #1a1a30;
            --bg-card-hover: #222240;
            --bg-light: #f8f9fa;
            --text-primary: #ffffff;
            --text-secondary: #b0b0c8;
            --text-muted: #6c6c88;
            --text-dark: #1a1a2e;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(229, 9, 20, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --nav-height: 76px;
            --container-max: 1200px;
        }

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

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

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
        }

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

        .container-narrow {
            max-width: 880px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 0;
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo i {
            color: var(--primary);
            font-size: 1.4rem;
        }

        .site-logo span {
            color: var(--primary);
        }

        .site-logo:hover {
            color: var(--text-primary);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-menu::-webkit-scrollbar {
            display: none;
        }

        .nav-menu a {
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .nav-menu a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-menu a.active {
            color: var(--text-primary);
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(229, 9, 20, 0.3);
        }

        .nav-menu a.active:hover {
            background: var(--primary-dark);
        }

        .nav-menu a.nav-cta {
            background: var(--primary);
            color: var(--text-primary);
            border-color: var(--primary);
            font-weight: 600;
            padding: 8px 22px;
            box-shadow: 0 4px 20px rgba(229, 9, 20, 0.25);
        }

        .nav-menu a.nav-cta:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 6px 28px rgba(229, 9, 20, 0.35);
            transform: translateY(-1px);
        }

        .nav-menu a.nav-cta i {
            margin-left: 6px;
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .nav-menu a.nav-cta:hover i {
            transform: translateX(3px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== Hero ===== */
        .page-hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--bg-darker) 0%, var(--secondary) 50%, var(--bg-dark) 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(229, 9, 20, 0.08) 0%, transparent 60%),
                radial-gradient(circle at 70% 60%, rgba(245, 197, 24, 0.04) 0%, transparent 50%);
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--text-primary) 60%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(229, 9, 20, 0.15);
            border: 1px solid rgba(229, 9, 20, 0.25);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.85rem;
            color: var(--primary-light);
            font-weight: 500;
            margin-bottom: 20px;
        }

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

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

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

        .hero-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            display: block;
        }

        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--bg-darker);
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(229, 9, 20, 0.12);
            border: 1px solid rgba(229, 9, 20, 0.2);
            border-radius: 100px;
            font-size: 0.8rem;
            color: var(--primary-light);
            font-weight: 500;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        /* ===== Service Category Cards ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .service-card .icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(229, 9, 20, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            color: var(--primary-light);
            transition: var(--transition);
        }

        .service-card:hover .icon {
            background: rgba(229, 9, 20, 0.2);
            transform: scale(1.05);
        }

        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .service-card .badge-count {
            display: inline-block;
            margin-top: 12px;
            padding: 2px 14px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 100px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-question {
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
            transition: var(--transition);
            gap: 16px;
        }

        .faq-question:hover {
            color: var(--primary-light);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(229, 9, 20, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--primary-light);
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: var(--text-primary);
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 28px 20px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== Service Steps / Process ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border-color);
            position: relative;
            transition: var(--transition);
            text-align: center;
        }

        .step-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }

        .step-card .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.25);
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== Contact Channels ===== */
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .contact-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: flex-start;
            gap: 20px;
            transition: var(--transition);
        }

        .contact-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }

        .contact-card .icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(229, 9, 20, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary-light);
            flex-shrink: 0;
        }

        .contact-card .info h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .contact-card .info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .contact-card .info .contact-link {
            font-size: 0.85rem;
            color: var(--primary-light);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .contact-card .info .contact-link i {
            font-size: 0.7rem;
            transition: var(--transition);
        }

        .contact-card .info .contact-link:hover i {
            transform: translateX(3px);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: var(--text-primary);
            color: var(--primary) !important;
            border-radius: 100px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            border: 2px solid transparent;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
        }

        .cta-btn:hover {
            background: transparent;
            color: var(--text-primary) !important;
            border-color: var(--text-primary);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }

        .cta-btn i {
            transition: var(--transition);
        }

        .cta-btn:hover i {
            transform: translateX(4px);
        }

        .cta-note {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 16px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 60px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .site-logo {
            font-size: 1.4rem;
            margin-bottom: 12px;
            display: inline-flex;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

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

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

        .footer-social a:hover {
            background: var(--primary);
            color: var(--text-primary);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.25);
        }

        /* ===== Mobile Nav ===== */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
            backdrop-filter: blur(4px);
        }

        .mobile-nav-overlay.open {
            display: block;
        }

        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            max-width: 80vw;
            height: 100%;
            background: var(--bg-darker);
            z-index: 1001;
            padding: 24px 28px;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            border-left: 1px solid rgba(255, 255, 255, 0.06);
            overflow-y: auto;
            display: flex;
            flex-direction: column;
        }

        .mobile-nav-panel.open {
            right: 0;
        }

        .mobile-nav-panel .close-btn {
            align-self: flex-end;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            margin-bottom: 20px;
        }

        .mobile-nav-panel .close-btn:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-nav-panel a {
            display: block;
            padding: 14px 0;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }

        .mobile-nav-panel a:hover {
            color: var(--primary-light);
            padding-left: 6px;
        }

        .mobile-nav-panel a.active {
            color: var(--primary-light);
        }

        .mobile-nav-panel a.nav-cta-mobile {
            margin-top: 16px;
            background: var(--primary);
            color: var(--text-primary);
            text-align: center;
            padding: 14px;
            border-radius: var(--radius-md);
            border: none;
            font-weight: 600;
        }

        .mobile-nav-panel a.nav-cta-mobile:hover {
            background: var(--primary-dark);
            padding-left: 14px;
        }

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

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .contact-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .page-hero h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu a:not(.nav-cta) {
                display: none;
            }

            .nav-menu a.nav-cta {
                padding: 8px 16px;
                font-size: 0.85rem;
            }

            .nav-toggle {
                display: block;
            }

            .page-hero {
                padding: 120px 0 56px;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .page-hero p {
                font-size: 1rem;
            }

            .hero-stats {
                gap: 24px;
            }

            .hero-stat .num {
                font-size: 1.4rem;
            }

            .section {
                padding: 56px 0;
            }

            .section-header h2 {
                font-size: 1.7rem;
            }

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

            .service-card {
                padding: 24px 18px;
            }

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

            .step-card {
                padding: 24px 18px;
            }

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

            .faq-question {
                padding: 16px 20px;
                font-size: 0.95rem;
            }

            .faq-answer {
                padding: 0 20px 16px;
            }

            .cta-section h2 {
                font-size: 1.7rem;
            }

            .cta-btn {
                padding: 14px 32px;
                font-size: 0.95rem;
            }

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

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

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .site-logo {
                font-size: 1.2rem;
            }

            .nav-menu a.nav-cta {
                font-size: 0.8rem;
                padding: 6px 14px;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero p {
                font-size: 0.9rem;
            }

            .hero-stats {
                gap: 16px;
            }

            .hero-stat .num {
                font-size: 1.2rem;
            }

            .hero-stat .label {
                font-size: 0.75rem;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .section-header p {
                font-size: 0.9rem;
            }

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

            .service-card {
                padding: 20px 14px;
            }

            .service-card .icon {
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }

            .service-card h3 {
                font-size: 0.95rem;
            }

            .service-card p {
                font-size: 0.8rem;
            }

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

            .step-card {
                padding: 20px 14px;
            }

            .step-card .step-number {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }

            .step-card h3 {
                font-size: 0.9rem;
            }

            .step-card p {
                font-size: 0.8rem;
            }

            .contact-card {
                padding: 20px 18px;
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            .contact-card .icon {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }

            .cta-section {
                padding: 48px 0;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

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

            .cta-btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }

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

            .footer-bottom p {
                font-size: 0.75rem;
            }

            .footer-social {
                justify-content: center;
            }
        }

        /* ===== Utility ===== */
        .text-glow {
            text-shadow: 0 0 40px rgba(229, 9, 20, 0.15);
        }

        .divider {
            width: 60px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px auto 0;
        }

        .divider-left {
            margin: 16px 0 0;
        }

        .gap-8 {
            gap: 8px;
        }

        .mt-16 {
            margin-top: 16px;
        }

        .mb-16 {
            margin-bottom: 16px;
        }

        /* Foundation overrides */
        .grid-container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

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