/* roulang page: index */
:root {
            --bg-deep: #06060e;
            --bg-panel: #0d0d1a;
            --bg-card: #111122;
            --bg-elevated: #16162b;
            --text-primary: #e8e8f0;
            --text-secondary: #a0a0b8;
            --text-muted: #6b6b82;
            --accent-cyan: #00e5ff;
            --accent-green: #00ff88;
            --accent-purple: #8b5cf6;
            --accent-pink: #ff2d78;
            --accent-orange: #ff6b3d;
            --border-subtle: rgba(255,255,255,0.06);
            --border-glow: rgba(0,229,255,0.25);
            --border-card: rgba(255,255,255,0.08);
            --shadow-glow-cyan: 0 0 30px rgba(0,229,255,0.15), 0 0 60px rgba(0,229,255,0.05);
            --shadow-glow-green: 0 0 30px rgba(0,255,136,0.12), 0 0 50px rgba(0,255,136,0.04);
            --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
            --shadow-elevated: 0 8px 40px rgba(0,0,0,0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4,0,0.2,1);
            --transition-bounce: 0.35s cubic-bezier(0.34,1.56,0.64,1);
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; border: none; font-family: inherit; }
        ul, ol { list-style: none; }
        input, textarea { font-family: inherit; border: none; outline: none; }

        .container { width: 100%; max-width: 1260px; margin: 0 auto; padding: 0 24px; }

        /* 导航 */
        .site-header {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(6,6,14,0.85); backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-bottom: 1px solid var(--border-subtle);
            transition: border-color var(--transition-smooth);
        }
        .site-header.scrolled { border-bottom-color: var(--border-glow); }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 64px; gap: 20px;
        }
        .logo-area { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .logo-icon {
            width: 38px; height: 38px; border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
            display: flex; align-items: center; justify-content: center;
            font-weight: 900; font-size: 1.1rem; color: #000;
            box-shadow: var(--shadow-glow-cyan);
        }
        .logo-text { font-weight: 700; font-size: 1.15rem; color: var(--text-primary); letter-spacing: 0.01em; white-space: nowrap; }
        .logo-text span { color: var(--accent-cyan); }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a {
            padding: 8px 18px; border-radius: var(--radius-full);
            font-size: 0.93rem; font-weight: 500; color: var(--text-secondary);
            transition: all var(--transition-smooth); white-space: nowrap; position: relative;
        }
        .nav-links a:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
        .nav-links a.active { color: var(--accent-cyan); background: rgba(0,229,255,0.08); font-weight: 600; }
        .nav-links a .nav-badge {
            position: absolute; top: -2px; right: 2px;
            width: 7px; height: 7px; border-radius: 50%; background: var(--accent-pink);
            box-shadow: 0 0 8px var(--accent-pink);
        }
        .header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .search-box {
            display: flex; align-items: center; background: var(--bg-card);
            border: 1px solid var(--border-card); border-radius: var(--radius-full);
            padding: 8px 16px; gap: 8px; transition: all var(--transition-smooth);
        }
        .search-box:focus-within { border-color: var(--border-glow); box-shadow: var(--shadow-glow-cyan); }
        .search-box i { color: var(--text-muted); font-size: 0.85rem; }
        .search-box input {
            background: transparent; color: var(--text-primary); font-size: 0.88rem;
            width: 140px; transition: width var(--transition-smooth);
        }
        .search-box input:focus { width: 200px; }
        .search-box input::placeholder { color: var(--text-muted); }
        .btn-nav {
            padding: 9px 22px; border-radius: var(--radius-full); font-weight: 600;
            font-size: 0.9rem; transition: all var(--transition-smooth); white-space: nowrap;
        }
        .btn-nav-outline {
            background: transparent; color: var(--text-primary);
            border: 1px solid var(--border-card);
        }
        .btn-nav-outline:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
        .btn-nav-primary {
            background: linear-gradient(135deg, var(--accent-cyan), #00b8d4);
            color: #000; box-shadow: var(--shadow-glow-cyan);
        }
        .btn-nav-primary:hover { transform: translateY(-1px); box-shadow: 0 0 40px rgba(0,229,255,0.25); }
        .mobile-menu-toggle { display: none; background: none; color: var(--text-primary); font-size: 1.5rem; padding: 4px; }

        /* Hero */
        .hero-section {
            position: relative; overflow: hidden;
            min-height: 600px; display: flex; align-items: center;
            background: var(--bg-deep);
        }
        .hero-bg {
            position: absolute; inset: 0; z-index: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35; filter: brightness(0.7) saturate(1.3);
        }
        .hero-overlay {
            position: absolute; inset: 0; z-index: 1;
            background: radial-gradient(ellipse at 30% 50%, rgba(0,229,255,0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 40%, rgba(139,92,246,0.06) 0%, transparent 55%),
                        linear-gradient(180deg, rgba(6,6,14,0.1) 0%, rgba(6,6,14,0.7) 60%, rgba(6,6,14,0.95) 100%);
        }
        .hero-content { position: relative; z-index: 2; padding: 80px 0 100px; text-align: center; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 6px 18px; border-radius: var(--radius-full);
            background: rgba(0,229,255,0.08); border: 1px solid rgba(0,229,255,0.2);
            font-size: 0.85rem; color: var(--accent-cyan); font-weight: 500;
            margin-bottom: 24px; animation: pulseBadge 2.5s ease-in-out infinite;
        }
        @keyframes pulseBadge {
            0%,100% { box-shadow: 0 0 0 0 rgba(0,229,255,0.25); }
            50% { box-shadow: 0 0 0 14px rgba(0,229,255,0); }
        }
        .hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-green); animation: blink 1.5s infinite; }
        @keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0.3;} }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800;
            line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 18px;
            background: linear-gradient(135deg, #ffffff 0%, #d0d8ff 40%, var(--accent-cyan) 100%);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text-secondary);
            max-width: 680px; margin: 0 auto 36px; line-height: 1.7;
        }
        .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
        .btn-hero {
            padding: 14px 34px; border-radius: var(--radius-full);
            font-weight: 700; font-size: 1rem; transition: all var(--transition-bounce);
            white-space: nowrap; display: inline-flex; align-items: center; gap: 8px;
        }
        .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent-cyan), #0097a7);
            color: #000; box-shadow: 0 4px 28px rgba(0,229,255,0.3);
        }
        .btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 40px rgba(0,229,255,0.45); }
        .btn-hero-secondary {
            background: transparent; color: var(--text-primary);
            border: 1.5px solid rgba(255,255,255,0.25);
        }
        .btn-hero-secondary:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); transform: translateY(-2px); }
        .hero-stats {
            display: flex; gap: 40px; justify-content: center; margin-top: 50px;
            flex-wrap: wrap;
        }
        .hero-stat { text-align: center; }
        .hero-stat-num { font-size: 2rem; font-weight: 800; color: var(--accent-cyan); font-family: var(--font-mono); }
        .hero-stat-label { font-size: 0.82rem; color: var(--text-muted); margin-top: 4px; }

        /* 板块通用 */
        .section { padding: 80px 0; position: relative; }
        .section-header { text-align: center; margin-bottom: 50px; }
        .section-label {
            display: inline-block; font-size: 0.82rem; font-weight: 600;
            letter-spacing: 0.06em; text-transform: uppercase;
            color: var(--accent-cyan); margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700;
            color: var(--text-primary); margin-bottom: 12px; letter-spacing: -0.01em;
        }
        .section-desc { color: var(--text-secondary); max-width: 600px; margin: 0 auto; font-size: 1.02rem; }

        /* 特色卡片网格 */
        .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
        .feature-card {
            background: var(--bg-card); border: 1px solid var(--border-card);
            border-radius: var(--radius-lg); padding: 32px 28px;
            transition: all var(--transition-smooth); position: relative; overflow: hidden;
        }
        .feature-card::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
            opacity: 0; transition: opacity var(--transition-smooth);
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-elevated); border-color: var(--border-glow); }
        .feature-card:hover::before { opacity: 1; }
        .feature-icon {
            width: 52px; height: 52px; border-radius: var(--radius-md);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.4rem; margin-bottom: 18px;
        }
        .feature-icon.cyan { background: rgba(0,229,255,0.1); color: var(--accent-cyan); }
        .feature-icon.green { background: rgba(0,255,136,0.1); color: var(--accent-green); }
        .feature-icon.purple { background: rgba(139,92,246,0.1); color: var(--accent-purple); }
        .feature-icon.orange { background: rgba(255,107,61,0.1); color: var(--accent-orange); }
        .feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
        .feature-card p { font-size: 0.93rem; color: var(--text-secondary); line-height: 1.65; }

        /* 深色面板 */
        .dark-panel {
            background: var(--bg-panel); border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl); padding: 48px 40px;
            position: relative; overflow: hidden;
        }
        .dark-panel::after {
            content: ''; position: absolute; top: -80px; right: -60px;
            width: 220px; height: 220px; border-radius: 50%;
            background: radial-gradient(circle, rgba(0,229,255,0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        /* CMS列表 */
        .cms-list-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; }
        .cms-card {
            background: var(--bg-card); border: 1px solid var(--border-card);
            border-radius: var(--radius-lg); overflow: hidden;
            transition: all var(--transition-smooth); display: flex; flex-direction: column;
        }
        .cms-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-elevated); border-color: var(--border-glow); }
        .cms-card-img {
            width: 100%; height: 180px; object-fit: cover;
            background: var(--bg-elevated);
        }
        .cms-card-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
        .cms-card-tag {
            display: inline-block; font-size: 0.75rem; font-weight: 600;
            padding: 4px 12px; border-radius: var(--radius-full);
            background: rgba(0,229,255,0.08); color: var(--accent-cyan);
            margin-bottom: 10px; align-self: flex-start;
        }
        .cms-card-title {
            font-size: 1.05rem; font-weight: 700; color: var(--text-primary);
            line-height: 1.45; margin-bottom: 8px;
        }
        .cms-card-title a:hover { color: var(--accent-cyan); }
        .cms-card-excerpt { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; flex: 1; }
        .cms-card-meta {
            font-size: 0.78rem; color: var(--text-muted); margin-top: 12px;
            display: flex; gap: 14px; align-items: center;
        }
        .cms-empty {
            text-align: center; padding: 60px 20px; color: var(--text-muted);
            font-size: 1rem; grid-column: 1 / -1;
        }

        /* 分类入口卡片 */
        .category-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 28px; }
        .category-card {
            position: relative; border-radius: var(--radius-xl); overflow: hidden;
            min-height: 320px; display: flex; align-items: flex-end;
            transition: all var(--transition-smooth); cursor: pointer;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-elevated); }
        .category-card-bg {
            position: absolute; inset: 0; object-fit: cover; width: 100%; height: 100%;
            transition: transform var(--transition-smooth);
        }
        .category-card:hover .category-card-bg { transform: scale(1.06); }
        .category-card-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(0deg, rgba(6,6,14,0.9) 15%, rgba(6,6,14,0.3) 55%, rgba(6,6,14,0.15) 100%);
        }
        .category-card-content { position: relative; z-index: 2; padding: 32px 28px; width: 100%; }
        .category-card-tag {
            display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em;
            padding: 4px 14px; border-radius: var(--radius-full);
            background: var(--accent-cyan); color: #000; margin-bottom: 10px;
        }
        .category-card h3 { font-size: 1.5rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
        .category-card p { font-size: 0.9rem; color: rgba(255,255,255,0.7); }
        .category-card-arrow {
            display: inline-flex; align-items: center; gap: 6px; margin-top: 14px;
            font-weight: 600; font-size: 0.9rem; color: var(--accent-cyan);
            transition: gap var(--transition-fast);
        }
        .category-card:hover .category-card-arrow { gap: 12px; }

        /* 品牌墙 */
        .brand-grid { display: flex; flex-wrap: wrap; gap: 30px; align-items: center; justify-content: center; opacity: 0.7; }
        .brand-item {
            padding: 14px 28px; background: var(--bg-card); border-radius: var(--radius-md);
            font-weight: 600; font-size: 1rem; color: var(--text-secondary);
            border: 1px solid var(--border-card); transition: all var(--transition-fast);
        }
        .brand-item:hover { color: var(--text-primary); border-color: var(--border-glow); }

        /* FAQ */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
        .faq-item {
            background: var(--bg-card); border: 1px solid var(--border-card);
            border-radius: var(--radius-lg); overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover { border-color: var(--border-glow); }
        .faq-question {
            width: 100%; padding: 20px 28px; text-align: left;
            background: none; color: var(--text-primary); font-weight: 600; font-size: 1rem;
            display: flex; justify-content: space-between; align-items: center;
            transition: color var(--transition-fast);
        }
        .faq-question:hover { color: var(--accent-cyan); }
        .faq-question i { transition: transform var(--transition-smooth); font-size: 0.8rem; color: var(--accent-cyan); }
        .faq-answer {
            padding: 0 28px 20px; font-size: 0.93rem; color: var(--text-secondary);
            line-height: 1.7; display: none;
        }
        .faq-item.open .faq-answer { display: block; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-item.open { border-color: var(--border-glow); background: var(--bg-elevated); }

        /* CTA */
        .cta-section {
            background: var(--bg-panel); border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl); text-align: center; padding: 60px 30px;
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(0,229,255,0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-title { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; color: #fff; margin-bottom: 12px; position: relative; }
        .cta-desc { color: var(--text-secondary); max-width: 500px; margin: 0 auto 28px; position: relative; font-size: 1rem; }
        .btn-cta {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 15px 38px; border-radius: var(--radius-full);
            font-weight: 700; font-size: 1.05rem;
            background: linear-gradient(135deg, var(--accent-green), #00c964);
            color: #000; box-shadow: var(--shadow-glow-green);
            transition: all var(--transition-bounce); position: relative;
        }
        .btn-cta:hover { transform: translateY(-3px); box-shadow: 0 0 50px rgba(0,255,136,0.3); }

        /* 页脚 */
        .site-footer {
            background: var(--bg-panel); border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px; margin-top: 40px;
        }
        .footer-inner { display: flex; flex-wrap: wrap; gap: 36px; justify-content: space-between; align-items: flex-start; }
        .footer-brand { max-width: 280px; }
        .footer-logo { font-weight: 700; font-size: 1.2rem; color: var(--text-primary); margin-bottom: 8px; }
        .footer-logo span { color: var(--accent-cyan); }
        .footer-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }
        .footer-links { display: flex; gap: 40px; flex-wrap: wrap; }
        .footer-col h4 { font-size: 0.88rem; font-weight: 600; color: var(--text-primary); margin-bottom: 12px; }
        .footer-col a { display: block; font-size: 0.84rem; color: var(--text-muted); padding: 4px 0; transition: color var(--transition-fast); }
        .footer-col a:hover { color: var(--accent-cyan); }
        .footer-bottom {
            margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--border-subtle);
            text-align: center; font-size: 0.8rem; color: var(--text-muted);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .header-inner { gap: 12px; }
            .nav-links a { padding: 8px 12px; font-size: 0.85rem; }
            .search-box input { width: 100px; }
            .search-box input:focus { width: 140px; }
            .hero-stats { gap: 24px; }
            .category-cards { grid-template-columns: 1fr; }
            .cms-list-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-links.open {
                display: flex; flex-direction: column; position: absolute;
                top: 64px; left: 0; right: 0; background: rgba(13,13,26,0.98);
                backdrop-filter: blur(20px); padding: 16px 20px; gap: 4px;
                border-bottom: 1px solid var(--border-subtle); z-index: 999;
            }
            .nav-links.open a { width: 100%; padding: 12px 16px; border-radius: var(--radius-md); }
            .mobile-menu-toggle { display: block; }
            .search-box { display: none; }
            .header-actions .btn-nav-outline { display: none; }
            .hero-section { min-height: 480px; }
            .hero-content { padding: 50px 0 70px; }
            .hero-stats { gap: 16px; }
            .hero-stat-num { font-size: 1.5rem; }
            .section { padding: 50px 0; }
            .dark-panel { padding: 30px 20px; }
            .features-grid { grid-template-columns: 1fr; }
            .cms-list-grid { grid-template-columns: 1fr; }
            .footer-inner { flex-direction: column; gap: 28px; }
            .footer-links { gap: 24px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .hero-title { font-size: 1.7rem; }
            .hero-subtitle { font-size: 0.93rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn-hero { width: 100%; justify-content: center; }
            .hero-stats { flex-direction: column; gap: 12px; }
            .section-title { font-size: 1.4rem; }
            .category-card { min-height: 240px; }
            .cta-section { padding: 40px 18px; }
        }

/* roulang page: article */
:root {
            --bg-deep: #06060d;
            --bg-surface: #0d0d1a;
            --bg-card: #111122;
            --bg-card-hover: #181830;
            --bg-header: rgba(8, 8, 20, 0.92);
            --border-subtle: #1a1a30;
            --border-glow: #1e2a40;
            --text-primary: #e8e8f0;
            --text-secondary: #b0b0c0;
            --text-muted: #707088;
            --accent-neon: #00ff88;
            --accent-neon-dim: rgba(0, 255, 136, 0.15);
            --accent-cyan: #00d4ff;
            --accent-cyan-dim: rgba(0, 212, 255, 0.12);
            --accent-purple: #a855f7;
            --accent-purple-dim: rgba(168, 85, 247, 0.12);
            --accent-warm: #ff6b6b;
            --gradient-neon: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
            --gradient-dark: linear-gradient(180deg, #0d0d1a 0%, #06060d 100%);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6);
            --shadow-glow-neon: 0 0 30px rgba(0, 255, 136, 0.2), 0 0 60px rgba(0, 255, 136, 0.08);
            --shadow-glow-cyan: 0 0 30px rgba(0, 212, 255, 0.2), 0 0 60px rgba(0, 212, 255, 0.08);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
            --max-width: 1280px;
            --nav-height: 64px;
        }

        *,
        *::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: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            font-size: 16px;
            letter-spacing: 0.01em;
        }

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

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

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

        button {
            cursor: pointer;
        }

        ::selection {
            background: var(--accent-neon-dim);
            color: var(--accent-neon);
        }

        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-deep);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--border-subtle);
            border-radius: 3px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--border-glow);
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-header);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--nav-height);
            transition: background var(--transition-base), border-color var(--transition-base);
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--gradient-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 20px;
            color: #06060d;
            letter-spacing: -1px;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow-neon);
        }

        .logo-text {
            font-weight: 700;
            font-size: 18px;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--accent-neon);
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-links a.active {
            color: var(--accent-neon);
            background: var(--accent-neon-dim);
            font-weight: 600;
        }

        .nav-badge {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-warm);
            animation: badgePulse 2s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.6);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(255, 107, 107, 0);
            }
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .search-trigger {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            font-size: 17px;
            border: 1px solid transparent;
        }

        .search-trigger:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--border-glow);
        }

        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 22px;
            background: var(--gradient-neon);
            color: #06060d;
            font-weight: 700;
            font-size: 13px;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 14px rgba(0, 255, 136, 0.3);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            box-shadow: 0 4px 24px rgba(0, 255, 136, 0.45);
            transform: translateY(-1px);
        }

        .btn-nav-cta:active {
            transform: scale(0.96);
        }

        .mobile-menu-btn {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-size: 22px;
            transition: all var(--transition-fast);
            border: 1px solid var(--border-subtle);
        }

        .mobile-menu-btn:hover {
            border-color: var(--border-glow);
            background: rgba(255, 255, 255, 0.04);
        }

        .mobile-menu-btn.open {
            background: var(--accent-neon-dim);
            border-color: var(--accent-neon);
            color: var(--accent-neon);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .sep {
            color: var(--border-glow);
            font-size: 10px;
        }

        .breadcrumb .current {
            color: var(--accent-neon);
            font-weight: 500;
        }

        /* ========== ARTICLE HERO HEADER ========== */
        .article-hero {
            padding: 40px 0 24px;
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-subtle);
        }

        .article-hero-inner {
            max-width: 860px;
            margin: 0 auto;
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            background: var(--accent-cyan-dim);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 212, 255, 0.2);
            margin-bottom: 16px;
        }

        .article-category-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px var(--accent-cyan);
        }

        .article-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.35;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--border-glow);
        }

        .article-feature-image {
            margin-top: 24px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-md);
        }

        .article-feature-image img {
            width: 100%;
            object-fit: cover;
            max-height: 440px;
        }

        .article-feature-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(transparent, var(--bg-surface));
            pointer-events: none;
        }

        /* ========== ARTICLE BODY ========== */
        .article-body-wrap {
            padding: 40px 0 60px;
            background: var(--bg-deep);
        }

        .article-body-inner {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-md);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }

        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: #ffffff;
            margin: 36px 0 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-glow);
            letter-spacing: 0.01em;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin: 28px 0 10px;
        }

        .article-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 22px 0 8px;
        }

        .article-body p {
            margin-bottom: 16px;
            color: var(--text-secondary);
        }

        .article-body strong {
            color: #ffffff;
            font-weight: 700;
        }

        .article-body em {
            color: var(--accent-cyan);
            font-style: italic;
        }

        .article-body a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-thickness: 1px;
            text-decoration-color: rgba(0, 212, 255, 0.3);
            transition: all var(--transition-fast);
        }

        .article-body a:hover {
            color: var(--accent-neon);
            text-decoration-color: var(--accent-neon);
        }

        .article-body ul,
        .article-body ol {
            margin: 14px 0 18px 22px;
            color: var(--text-secondary);
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body li::marker {
            color: var(--accent-neon);
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-neon);
            background: var(--accent-neon-dim);
            padding: 16px 22px;
            margin: 20px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-primary);
            font-style: italic;
        }

        .article-body blockquote p {
            margin-bottom: 0;
            color: var(--text-primary);
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px auto;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-subtle);
        }

        .article-body figure {
            margin: 20px 0;
            text-align: center;
        }

        .article-body figcaption {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        .article-body code {
            background: rgba(255, 255, 255, 0.06);
            padding: 3px 8px;
            border-radius: 4px;
            font-family: var(--font-mono);
            font-size: 0.9em;
            color: var(--accent-cyan);
            border: 1px solid var(--border-subtle);
        }

        .article-body pre {
            background: #0a0a16;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            overflow-x: auto;
            margin: 20px 0;
            font-family: var(--font-mono);
            font-size: 0.9rem;
            line-height: 1.6;
            color: var(--text-secondary);
        }

        .article-body pre code {
            background: none;
            padding: 0;
            border: none;
            color: inherit;
        }

        .article-body hr {
            border: none;
            border-top: 1px solid var(--border-subtle);
            margin: 28px 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }

        .article-body th {
            background: var(--bg-surface);
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
            color: #ffffff;
            border-bottom: 2px solid var(--border-glow);
        }

        .article-body td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }

        .article-body tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        /* ========== ARTICLE FOOTER CTA ========== */
        .article-cta-section {
            padding: 0 0 60px;
            background: var(--bg-deep);
        }

        .article-cta-inner {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .article-cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-glow-cyan);
        }

        .article-cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(0, 212, 255, 0.04) 0%, transparent 60%);
            pointer-events: none;
        }

        .article-cta-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
            position: relative;
        }

        .article-cta-card p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 0.95rem;
            position: relative;
        }

        .btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        .btn-primary {
            padding: 12px 28px;
            border-radius: 26px;
            background: var(--gradient-neon);
            color: #06060d;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: 0 2px 16px rgba(0, 255, 136, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            box-shadow: 0 6px 28px rgba(0, 255, 136, 0.45);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: scale(0.95);
        }

        .btn-outline {
            padding: 12px 28px;
            border-radius: 26px;
            background: transparent;
            border: 2px solid var(--border-glow);
            color: #ffffff;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
        }

        .btn-outline:active {
            transform: scale(0.95);
        }

        /* ========== NOT FOUND STATE ========== */
        .not-found-section {
            padding: 80px 0 100px;
            background: var(--bg-deep);
            text-align: center;
        }

        .not-found-card {
            max-width: 560px;
            margin: 0 auto;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            box-shadow: var(--shadow-md);
        }

        .not-found-icon {
            font-size: 64px;
            margin-bottom: 20px;
            display: block;
            animation: floatIcon 3s ease-in-out infinite;
        }

        @keyframes floatIcon {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-12px);
            }
        }

        .not-found-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .not-found-card p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-surface);
            border-top: 3px solid var(--border-glow);
            padding: 50px 0 24px;
            margin-top: 0;
        }

        .footer-inner {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .footer-brand {
            flex: 1 1 260px;
            min-width: 220px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-logo span {
            color: var(--accent-neon);
            font-weight: 800;
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-links {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            flex: 2 1 400px;
        }

        .footer-col h4 {
            font-size: 13px;
            font-weight: 700;
            color: #ffffff;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            padding: 5px 0;
            transition: all var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 18px;
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .header-actions .btn-nav-cta {
                padding: 8px 14px;
                font-size: 12px;
            }
            .nav-links a {
                padding: 7px 12px;
                font-size: 13px;
            }
            .article-body-inner {
                padding: 36px 32px;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-header);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 2px solid var(--border-glow);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-base);
                z-index: 999;
                box-shadow: var(--shadow-lg);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 15px;
            }
            .header-actions .search-trigger {
                display: none;
            }
            .header-actions .btn-nav-cta {
                padding: 8px 16px;
                font-size: 12px;
            }
            .article-body-inner {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .article-hero h1 {
                font-size: 1.5rem;
            }
            .article-body {
                font-size: 1rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-cta-card {
                padding: 28px 22px;
            }
            .footer-inner {
                flex-direction: column;
                gap: 32px;
            }
            .footer-links {
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 16px;
            }
            .header-actions .btn-nav-cta {
                padding: 7px 12px;
                font-size: 11px;
                border-radius: 16px;
            }
            .article-hero {
                padding: 28px 0 16px;
            }
            .article-hero h1 {
                font-size: 1.3rem;
            }
            .article-body-inner {
                padding: 20px 16px;
                border-radius: var(--radius-sm);
            }
            .article-body {
                font-size: 0.95rem;
                line-height: 1.75;
            }
            .article-body h2 {
                font-size: 1.15rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
            .article-body blockquote {
                padding: 12px 16px;
                margin: 14px 0;
            }
            .article-body pre {
                padding: 14px 16px;
                font-size: 0.8rem;
            }
            .article-cta-card {
                padding: 22px 16px;
            }
            .btn-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-outline {
                text-align: center;
                justify-content: center;
            }
            .breadcrumb {
                font-size: 11px;
            }
            .footer-col h4 {
                font-size: 12px;
            }
        }

        @media (max-width: 380px) {
            .header-inner {
                gap: 8px;
            }
            .logo-text {
                font-size: 13px;
            }
            .header-actions .btn-nav-cta {
                display: none;
            }
            .header-actions .search-trigger {
                display: flex;
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .article-hero h1 {
                font-size: 1.15rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #08080d;
            --bg-panel: #111118;
            --bg-card: #181822;
            --bg-card-hover: #1e1e2a;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-glow: rgba(0, 212, 255, 0.25);
            --border-glow-strong: rgba(0, 212, 255, 0.55);
            --text-primary: #f0f0f5;
            --text-secondary: #b8b8c8;
            --text-muted: #7a7a90;
            --neon-blue: #00d4ff;
            --neon-green: #39ff14;
            --neon-purple: #b347ea;
            --neon-pink: #ff2d95;
            --neon-amber: #ffb830;
            --accent: #00d4ff;
            --accent-secondary: #b347ea;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-glow-blue: 0 0 18px rgba(0, 212, 255, 0.35), 0 0 40px rgba(0, 212, 255, 0.12);
            --shadow-glow-purple: 0 0 18px rgba(179, 71, 234, 0.35), 0 0 40px rgba(179, 71, 234, 0.12);
            --shadow-glow-green: 0 0 18px rgba(57, 255, 20, 0.3), 0 0 35px rgba(57, 255, 20, 0.1);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.55), 0 0 20px rgba(0, 212, 255, 0.15);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --nav-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 8, 13, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--nav-height);
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(8, 8, 13, 0.95);
            border-bottom-color: rgba(0, 212, 255, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 20px;
            color: #fff;
            letter-spacing: -1px;
            box-shadow: var(--shadow-glow-blue);
        }

        .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.3px;
        }

        .logo-text span {
            color: var(--neon-blue);
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 9px 16px;
            border-radius: 22px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(0, 212, 255, 0.12);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.18);
            font-weight: 600;
        }

        .nav-badge {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--neon-green);
            box-shadow: 0 0 8px var(--neon-green);
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 6px var(--neon-green);
            }
            50% {
                box-shadow: 0 0 16px var(--neon-green), 0 0 24px rgba(57, 255, 20, 0.5);
            }
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav {
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .btn-nav-outline:hover {
            border-color: var(--neon-blue);
            color: var(--neon-blue);
            box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
        }

        .btn-nav-solid {
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            color: #fff;
            box-shadow: 0 0 14px rgba(0, 212, 255, 0.3);
        }
        .btn-nav-solid:hover {
            box-shadow: 0 0 22px rgba(0, 212, 255, 0.5);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            width: 34px;
            height: 34px;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            cursor: pointer;
            z-index: 1001;
            padding: 4px;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }

        /* ===== Hero Section ===== */
        .hero-section {
            position: relative;
            padding: 140px 0 100px;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-deep);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.22;
            filter: brightness(0.6) saturate(0.8);
        }

        .hero-glow-1 {
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.18) 0%, transparent 70%);
            top: -80px;
            right: -100px;
            z-index: 0;
            pointer-events: none;
        }

        .hero-glow-2 {
            position: absolute;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(179, 71, 234, 0.15) 0%, transparent 70%);
            bottom: -60px;
            left: -80px;
            z-index: 0;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .hero-content {
            flex: 1;
            max-width: 600px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--neon-blue);
            background: rgba(0, 212, 255, 0.08);
            border: 1px solid rgba(0, 212, 255, 0.25);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            box-shadow: var(--shadow-glow-blue);
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.55), 0 0 50px rgba(179, 71, 234, 0.3);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-smooth);
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-outline:hover {
            border-color: var(--neon-blue);
            color: var(--neon-blue);
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.25);
        }

        .hero-visual {
            flex: 0 0 420px;
            position: relative;
        }

        .hero-visual-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            position: relative;
            z-index: 1;
        }

        .hero-visual-card img {
            border-radius: var(--radius-md);
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .hero-visual-card .floating-stat {
            position: absolute;
            background: var(--bg-panel);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            box-shadow: var(--shadow-glow-blue);
            white-space: nowrap;
        }
        .floating-stat.stat-1 {
            top: 12px;
            right: -30px;
        }
        .floating-stat.stat-2 {
            bottom: 20px;
            left: -35px;
            border-color: rgba(179, 71, 234, 0.4);
            box-shadow: var(--shadow-glow-purple);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-panel);
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--neon-blue);
            background: rgba(0, 212, 255, 0.07);
            border: 1px solid rgba(0, 212, 255, 0.2);
            margin-bottom: 12px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== Feature Cards ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .feature-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            flex-shrink: 0;
        }
        .feature-icon.blue {
            background: rgba(0, 212, 255, 0.12);
            color: var(--neon-blue);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
        }
        .feature-icon.purple {
            background: rgba(179, 71, 234, 0.12);
            color: var(--neon-purple);
            box-shadow: 0 0 12px rgba(179, 71, 234, 0.2);
        }
        .feature-icon.green {
            background: rgba(57, 255, 20, 0.1);
            color: var(--neon-green);
            box-shadow: 0 0 12px rgba(57, 255, 20, 0.18);
        }
        .feature-icon.amber {
            background: rgba(255, 184, 48, 0.1);
            color: var(--neon-amber);
            box-shadow: 0 0 12px rgba(255, 184, 48, 0.18);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== Image Cards Grid ===== */
        .image-cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
        }
        .image-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .image-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .image-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .image-card-body {
            padding: 22px 20px;
        }
        .image-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .image-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Stats Row ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .stat-item:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== Steps / Process ===== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            counter-reset: step;
        }
        .step-item {
            position: relative;
            text-align: center;
            padding: 36px 20px 28px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            counter-increment: step;
        }
        .step-item:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            box-shadow: var(--shadow-glow-blue);
            margin-bottom: 16px;
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            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-subtle);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--border-glow);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            background: none;
            border: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            letter-spacing: 0.2px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--neon-blue);
        }
        .faq-icon {
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--neon-blue);
            transition: transform var(--transition-fast);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            position: relative;
            overflow: hidden;
            background: var(--bg-panel);
            padding: 80px 0;
        }
        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-glow {
            position: absolute;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
            z-index: 0;
        }
        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #06060a;
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 2fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-logo span {
            color: var(--neon-blue);
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 360px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--neon-blue);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                flex-direction: column;
                text-align: center;
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 420px;
            }
            .hero-title {
                font-size: 2.3rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-links {
                grid-template-columns: repeat(3, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(8, 8, 13, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-subtle);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
                justify-content: center;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-actions {
                gap: 6px;
            }
            .btn-nav {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .hero-section {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-visual {
                max-width: 320px;
            }
            .floating-stat.stat-1 {
                right: -10px;
                top: 8px;
                font-size: 0.75rem;
                padding: 6px 10px;
            }
            .floating-stat.stat-2 {
                left: -10px;
                bottom: 10px;
                font-size: 0.75rem;
                padding: 6px 10px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .image-cards-grid {
                grid-template-columns: 1fr;
            }
            .steps-list {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .cta-inner h2 {
                font-size: 1.6rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.55rem;
            }
            .hero-subtitle {
                font-size: 0.88rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .hero-visual {
                max-width: 260px;
            }
            .floating-stat {
                display: none;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-item {
                padding: 20px 14px;
            }
            .footer-links {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .nav-actions .btn-nav-outline {
                display: none;
            }
            .btn-nav {
                padding: 7px 12px;
                font-size: 0.78rem;
            }
            .container {
                padding: 0 14px;
            }
            .feature-card {
                padding: 22px 18px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 16px 18px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #06060e;
            --bg-secondary: #0d0d1a;
            --bg-card: #13132a;
            --bg-card-hover: #1a1a38;
            --bg-surface: #0f0f20;
            --text-primary: #e8e8f0;
            --text-secondary: #b0b0c8;
            --text-muted: #7a7a9a;
            --neon-cyan: #00e5ff;
            --neon-cyan-dim: rgba(0, 229, 255, 0.25);
            --neon-cyan-glow: rgba(0, 229, 255, 0.5);
            --neon-purple: #8b5cf6;
            --neon-purple-dim: rgba(139, 92, 246, 0.3);
            --neon-purple-glow: rgba(139, 92, 246, 0.55);
            --neon-pink: #f43f5e;
            --neon-pink-dim: rgba(244, 63, 94, 0.3);
            --neon-green: #10b981;
            --neon-green-dim: rgba(16, 185, 129, 0.3);
            --neon-amber: #f59e0b;
            --border-color: #1e1e3a;
            --border-glow: #2a2a50;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
            --shadow-neon-cyan: 0 0 20px rgba(0, 229, 255, 0.25), 0 0 40px rgba(0, 229, 255, 0.1);
            --shadow-neon-purple: 0 0 20px rgba(139, 92, 246, 0.3), 0 0 40px rgba(139, 92, 246, 0.12);
            --shadow-neon-pink: 0 0 20px rgba(244, 63, 94, 0.28), 0 0 40px rgba(244, 63, 94, 0.1);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --container-narrow: 960px;
            --nav-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

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

        .section-padding-sm {
            padding: 50px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--neon-cyan);
            margin-bottom: 12px;
            text-shadow: 0 0 10px var(--neon-cyan-dim);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }

        .text-center {
            text-align: center;
        }
        .section-subtitle.text-center {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 22, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 1px 0 var(--border-glow), 0 4px 20px rgba(0, 0, 0, 0.3);
            transition: background var(--transition-base);
        }

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

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: var(--shadow-neon-cyan);
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--neon-cyan);
            text-shadow: 0 0 12px var(--neon-cyan-dim);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            position: relative;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-links a.active {
            color: var(--neon-cyan);
            background: rgba(0, 229, 255, 0.08);
            font-weight: 600;
            text-shadow: 0 0 8px var(--neon-cyan-dim);
        }

        .nav-badge {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--neon-pink);
            margin-left: 4px;
            vertical-align: middle;
            box-shadow: 0 0 8px var(--neon-pink-dim);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 6px var(--neon-pink-dim);
            }
            50% {
                box-shadow: 0 0 16px var(--neon-pink), 0 0 24px var(--neon-pink-dim);
            }
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-search {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .btn-search:hover {
            color: var(--neon-cyan);
            background: rgba(0, 229, 255, 0.08);
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--neon-purple), var(--neon-cyan));
            box-shadow: var(--shadow-neon-purple);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            box-shadow: 0 0 28px rgba(139, 92, 246, 0.5), 0 0 44px rgba(0, 229, 255, 0.25);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-size: 1.3rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 80px 0 90px;
            background: var(--bg-secondary);
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(139, 92, 246, 0.15) 0%, transparent 65%),
                radial-gradient(ellipse at 80% 60%, rgba(0, 229, 255, 0.08) 0%, transparent 55%),
                linear-gradient(180deg, rgba(6, 6, 14, 0.5) 0%, rgba(6, 6, 14, 0.85) 100%);
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--neon-cyan-dim), var(--neon-purple-dim), transparent);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1;
            min-width: 300px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--neon-cyan);
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.2);
            margin-bottom: 20px;
            text-shadow: 0 0 6px var(--neon-cyan-dim);
        }
        .hero-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--neon-cyan);
            box-shadow: 0 0 10px var(--neon-cyan-glow);
            animation: pulse-dot 2s infinite;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 18px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 26px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--neon-purple), var(--neon-cyan));
            box-shadow: var(--shadow-neon-purple);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(139, 92, 246, 0.55), 0 0 48px rgba(0, 229, 255, 0.3);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 26px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 1.5px solid var(--border-glow);
            transition: all var(--transition-base);
        }
        .btn-outline:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            box-shadow: 0 0 16px var(--neon-cyan-dim);
        }

        .hero-visual {
            flex: 0 0 380px;
            position: relative;
        }
        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg), 0 0 40px rgba(139, 92, 246, 0.2);
            position: relative;
            z-index: 1;
        }
        .hero-visual::before {
            content: '';
            position: absolute;
            inset: -6px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, var(--neon-cyan-dim), var(--neon-purple-dim));
            z-index: 0;
            filter: blur(14px);
            opacity: 0.6;
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            padding: 24px 0;
        }
        .stats-grid {
            display: flex;
            justify-content: center;
            gap: 50px;
            flex-wrap: wrap;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== FEATURES SECTION ========== */
        .features-section {
            background: var(--bg-primary);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            margin-top: 44px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--neon-cyan-dim), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .feature-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-neon-cyan);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            transition: all var(--transition-base);
        }
        .feature-icon.cyan {
            background: rgba(0, 229, 255, 0.1);
            color: var(--neon-cyan);
        }
        .feature-icon.purple {
            background: rgba(139, 92, 246, 0.1);
            color: var(--neon-purple);
        }
        .feature-icon.pink {
            background: rgba(244, 63, 94, 0.1);
            color: var(--neon-pink);
        }
        .feature-icon.green {
            background: rgba(16, 185, 129, 0.1);
            color: var(--neon-green);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== SCENARIOS SECTION ========== */
        .scenarios-section {
            background: var(--bg-secondary);
        }
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 44px;
        }
        .scenario-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
        }
        .scenario-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scenario-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .scenario-card:hover .scenario-img img {
            transform: scale(1.06);
        }
        .scenario-img .scenario-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #fff;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .scenario-body {
            padding: 20px 18px;
        }
        .scenario-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .scenario-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== TOPICS SECTION (CMS区域) ========== */
        .topics-section {
            background: var(--bg-primary);
        }
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .topic-card:hover {
            border-color: var(--neon-purple-dim);
            box-shadow: var(--shadow-neon-purple);
            transform: translateY(-2px);
            background: var(--bg-card-hover);
        }
        .topic-card .topic-category {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 10px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            align-self: flex-start;
        }
        .topic-category.football {
            background: rgba(16, 185, 129, 0.12);
            color: var(--neon-green);
        }
        .topic-category.basketball {
            background: rgba(245, 158, 11, 0.12);
            color: var(--neon-amber);
        }
        .topic-category.esports {
            background: rgba(0, 229, 255, 0.12);
            color: var(--neon-cyan);
        }
        .topic-card .topic-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .topic-card .topic-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .topic-card .topic-meta i {
            margin-right: 4px;
        }

        /* ========== INTERACTION FLOW ========== */
        .flow-section {
            background: var(--bg-secondary);
        }
        .flow-steps {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin-top: 44px;
            position: relative;
        }
        .flow-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--neon-cyan-dim), var(--neon-purple-dim), var(--neon-pink-dim));
            z-index: 0;
            display: none;
        }
        @media (min-width: 769px) {
            .flow-steps::before {
                display: block;
            }
        }
        .flow-step {
            text-align: center;
            flex: 1;
            min-width: 140px;
            max-width: 200px;
            position: relative;
            z-index: 1;
        }
        .flow-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            background: var(--bg-card);
            border: 2px solid var(--border-glow);
            transition: all var(--transition-base);
        }
        .flow-step:nth-child(1) .flow-num {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 16px var(--neon-cyan-dim);
        }
        .flow-step:nth-child(2) .flow-num {
            border-color: var(--neon-purple);
            box-shadow: 0 0 16px var(--neon-purple-dim);
        }
        .flow-step:nth-child(3) .flow-num {
            border-color: var(--neon-pink);
            box-shadow: 0 0 16px var(--neon-pink-dim);
        }
        .flow-step:nth-child(4) .flow-num {
            border-color: var(--neon-green);
            box-shadow: 0 0 16px var(--neon-green-dim);
        }
        .flow-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .flow-step p {
            font-size: 0.82rem;
            color: var(--text-secondary);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-primary);
        }
        .faq-list {
            max-width: 760px;
            margin: 40px auto 0;
            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: all var(--transition-base);
        }
        .faq-item.open {
            border-color: var(--neon-cyan-dim);
            box-shadow: 0 0 12px var(--neon-cyan-dim);
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: all var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--neon-cyan);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: transform var(--transition-base);
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--neon-cyan);
            background: rgba(0, 229, 255, 0.08);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 22px 18px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
            z-index: 0;
        }
        .cta-card {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 50px 30px;
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            box-shadow: var(--shadow-neon-purple);
        }
        .cta-card h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-card p {
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 24px;
            font-size: 1rem;
        }
        .cta-card .btn-primary {
            font-size: 1rem;
            padding: 14px 32px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 24px;
        }
        .footer-inner {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        .footer-brand {
            flex: 1;
            min-width: 240px;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .footer-logo span {
            color: var(--neon-cyan);
            text-shadow: 0 0 10px var(--neon-cyan-dim);
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 320px;
        }
        .footer-links {
            display: flex;
            gap: 50px;
            flex-wrap: wrap;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--neon-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-visual {
                flex: 0 0 300px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(13, 13, 26, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-base);
                z-index: 999;
            }
            .nav-links.show {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .header-actions .btn-nav-cta {
                display: none;
            }
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 360px;
            }
            .hero-desc {
                max-width: 100%;
            }
            .hero-buttons {
                justify-content: center;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .scenarios-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin-left: auto;
                margin-right: auto;
            }
            .topics-grid {
                grid-template-columns: 1fr;
                max-width: 460px;
                margin-left: auto;
                margin-right: auto;
            }
            .stats-grid {
                gap: 28px;
            }
            .stat-item .stat-number {
                font-size: 1.5rem;
            }
            .flow-steps {
                flex-direction: column;
                align-items: center;
                gap: 20px;
            }
            .flow-step {
                max-width: 100%;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .footer-links {
                gap: 30px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .feature-card {
                padding: 22px 18px;
            }
            .stats-grid {
                gap: 20px;
            }
            .stats-bar {
                padding: 16px 0;
            }
            .stat-item .stat-number {
                font-size: 1.3rem;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .cta-card {
                padding: 32px 18px;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }
            .footer-links {
                gap: 20px;
            }
        }