/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #0a0e1a;
            --clr-primary-light: #141a2e;
            --clr-secondary: #1f263b;
            --clr-accent: #f0b90b;
            --clr-accent-hover: #d4a017;
            --clr-accent-dim: #f0b90b22;
            --clr-text: #f0ece4;
            --clr-text-muted: #9a94a0;
            --clr-text-dark: #131313;
            --clr-card-bg: #141a2ecc;
            --clr-card-border: #2a3248;
            --clr-body-bg: #080b14;
            --clr-footer-bg: #05070c;
            --clr-success: #34d399;
            --clr-warning: #fbbf24;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.4);
            --shadow-lg: 0 12px 48px rgba(0,0,0,0.6);
            --transition: 0.3s cubic-bezier(.4,0,.2,1);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --gap-section: 5rem;
            --gap-section-mobile: 2.8rem;
            --container-max: 1200px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-body);
            background: var(--clr-body-bg);
            color: var(--clr-text);
            line-height: 1.7;
            font-size: 1rem;
        }
        a { color: var(--clr-accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--clr-accent-hover); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); line-height: 1.25; font-weight: 700; color: #fff; }

        /* ===== Container ===== */
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
            background: rgba(10,14,26,0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(42,50,72,0.5);
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(8,11,20,0.96); box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 68px; padding: 0 1.5rem; max-width: var(--container-max); margin: 0 auto;
        }
        .site-logo {
            font-family: var(--font-heading); font-size: 1.35rem; font-weight: 800;
            color: #fff; letter-spacing: -0.5px; display: flex; align-items: center; gap: 0.5rem;
            white-space: nowrap;
        }
        .site-logo i { color: var(--clr-accent); font-size: 1.5rem; }
        .site-logo span { background: linear-gradient(135deg, #fff 60%, var(--clr-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .site-logo:hover { color: #fff; }
        .nav-links { display: flex; align-items: center; gap: 0.25rem; }
        .nav-links a {
            padding: 0.5rem 1rem; border-radius: var(--radius-sm); color: var(--clr-text-muted);
            font-size: 0.9rem; font-weight: 500; transition: var(--transition); position: relative;
        }
        .nav-links a:hover { color: #fff; background: rgba(240,185,11,0.08); }
        .nav-links a.active { color: var(--clr-accent); background: rgba(240,185,11,0.12); }
        .nav-links a.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 20px; height: 2px; background: var(--clr-accent); border-radius: 1px; }
        .header-actions { display: flex; align-items: center; gap: 0.75rem; }
        .search-box {
            display: flex; align-items: center; background: rgba(255,255,255,0.06);
            border-radius: var(--radius-sm); padding: 0 0.75rem; border: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition);
        }
        .search-box:focus-within { border-color: var(--clr-accent); background: rgba(255,255,255,0.1); }
        .search-box i { color: var(--clr-text-muted); font-size: 0.85rem; }
        .search-box input {
            background: none; border: none; padding: 0.5rem 0.5rem; color: #fff;
            outline: none; width: 130px; font-size: 0.85rem;
        }
        .search-box input::placeholder { color: var(--clr-text-muted); }
        .btn-header { padding: 0.45rem 1.1rem; border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 600; border: none; cursor: pointer; transition: var(--transition); }
        .btn-header-outline { background: none; border: 1px solid rgba(255,255,255,0.2); color: var(--clr-text); }
        .btn-header-outline:hover { border-color: var(--clr-accent); color: var(--clr-accent); }
        .btn-header-accent { background: var(--clr-accent); color: var(--clr-primary); }
        .btn-header-accent:hover { background: var(--clr-accent-hover); color: var(--clr-primary); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(240,185,11,0.3); }
        .mobile-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; padding: 0.25rem; }

        /* ===== Hero ===== */
        .hero {
            min-height: 92vh; display: flex; align-items: center; position: relative;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            margin-top: 0; padding-top: 68px;
        }
        .hero::before {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(145deg, rgba(8,11,20,0.88) 30%, rgba(10,14,26,0.6) 70%, rgba(240,185,11,0.08) 100%);
            z-index: 1;
        }
        .hero .container { position: relative; z-index: 2; width: 100%; }
        .hero-content { max-width: 780px; padding: 3rem 0 5rem; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 0.4rem;
            background: rgba(240,185,11,0.12); color: var(--clr-accent); 
            padding: 0.3rem 1rem; border-radius: 50px; font-size: 0.8rem; font-weight: 600;
            margin-bottom: 1.5rem; border: 1px solid rgba(240,185,11,0.2);
        }
        .hero-badge i { font-size: 0.7rem; }
        .hero h1 { font-size: clamp(2.6rem, 6vw, 4rem); font-weight: 800; margin-bottom: 1.2rem; letter-spacing: -1px; }
        .hero h1 span { background: linear-gradient(135deg, var(--clr-accent) 20%, #f5d36e 80%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero p { font-size: 1.15rem; color: var(--clr-text-muted); max-width: 620px; margin-bottom: 2.2rem; line-height: 1.8; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
        .btn-primary {
            display: inline-flex; align-items: center; gap: 0.6rem;
            background: var(--clr-accent); color: var(--clr-primary); padding: 0.85rem 2.2rem;
            border-radius: var(--radius-md); font-weight: 700; font-size: 1rem; border: none;
            cursor: pointer; transition: var(--transition);
        }
        .btn-primary:hover { background: var(--clr-accent-hover); color: var(--clr-primary); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(240,185,11,0.35); }
        .btn-secondary {
            display: inline-flex; align-items: center; gap: 0.6rem;
            background: rgba(255,255,255,0.06); color: #fff; padding: 0.85rem 2.2rem;
            border-radius: var(--radius-md); font-weight: 600; font-size: 1rem; border: 1px solid rgba(255,255,255,0.12);
            cursor: pointer; transition: var(--transition);
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.12); color: #fff; border-color: var(--clr-accent); transform: translateY(-2px); }
        .hero-stats { display: flex; gap: 2.5rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.06); }
        .hero-stat { text-align: left; }
        .hero-stat-number { font-size: 1.6rem; font-weight: 800; color: #fff; }
        .hero-stat-number i { color: var(--clr-accent); font-size: 1.2rem; margin-right: 0.3rem; }
        .hero-stat-label { font-size: 0.8rem; color: var(--clr-text-muted); margin-top: 0.15rem; }

        /* ===== Section ===== */
        .section { padding: var(--gap-section) 0; position: relative; }
        .section-label { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; font-weight: 600; color: var(--clr-accent); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.75rem; }
        .section-title { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800; margin-bottom: 0.75rem; letter-spacing: -0.5px; }
        .section-desc { color: var(--clr-text-muted); max-width: 640px; font-size: 1.05rem; line-height: 1.7; }
        .section-header { margin-bottom: 3rem; }
        .section-header.centered { text-align: center; }
        .section-header.centered .section-desc { margin-left: auto; margin-right: auto; }

        /* ===== Features / Cards ===== */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; }
        .feature-card {
            background: var(--clr-card-bg); border: 1px solid var(--clr-card-border);
            border-radius: var(--radius-md); padding: 2.2rem 1.8rem; transition: var(--transition);
            backdrop-filter: blur(4px);
        }
        .feature-card:hover { transform: translateY(-4px); border-color: rgba(240,185,11,0.3); box-shadow: var(--shadow-md); }
        .feature-icon { width: 52px; height: 52px; border-radius: var(--radius-sm); background: rgba(240,185,11,0.1); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--clr-accent); margin-bottom: 1.2rem; }
        .feature-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; color: #fff; }
        .feature-card p { font-size: 0.9rem; color: var(--clr-text-muted); line-height: 1.7; }

        /* ===== Stats Bar ===== */
        .stats-bar {
            background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-secondary));
            border-radius: var(--radius-lg); padding: 3rem 2.5rem; 
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
            border: 1px solid rgba(255,255,255,0.04);
        }
        .stat-item { text-align: center; }
        .stat-item .num { font-size: 2.2rem; font-weight: 800; color: var(--clr-accent); }
        .stat-item .label { font-size: 0.85rem; color: var(--clr-text-muted); margin-top: 0.2rem; }

        /* ===== Cards Grid (通用) ===== */
        .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; }
        .card-item {
            background: var(--clr-card-bg); border: 1px solid var(--clr-card-border);
            border-radius: var(--radius-md); overflow: hidden; transition: var(--transition);
        }
        .card-item:hover { transform: translateY(-4px); border-color: rgba(240,185,11,0.25); box-shadow: var(--shadow-md); }
        .card-item .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; }
        .card-item .card-body { padding: 1.5rem 1.5rem 1.8rem; }
        .card-item .card-tag { display: inline-block; padding: 0.2rem 0.7rem; border-radius: 50px; font-size: 0.7rem; font-weight: 600; background: rgba(240,185,11,0.12); color: var(--clr-accent); margin-bottom: 0.6rem; }
        .card-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.4rem; color: #fff; }
        .card-item h3 a { color: #fff; }
        .card-item h3 a:hover { color: var(--clr-accent); }
        .card-item .card-meta { font-size: 0.8rem; color: var(--clr-text-muted); margin-top: 0.3rem; }
        .card-item .card-excerpt { font-size: 0.88rem; color: var(--clr-text-muted); margin-top: 0.6rem; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--clr-primary-light), #0d1424);
            border-radius: var(--radius-lg); padding: 4rem 3rem; text-align: center;
            border: 1px solid rgba(240,185,11,0.08); position: relative; overflow: hidden;
        }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat; opacity: 0.06; z-index: 0; }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 0.8rem; }
        .cta-section p { color: var(--clr-text-muted); font-size: 1.05rem; max-width: 580px; margin: 0 auto 1.8rem; }
        .cta-section .btn-primary { font-size: 1.05rem; padding: 1rem 2.6rem; }

        /* ===== FAQ ===== */
        .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.8rem; }
        .faq-item { background: var(--clr-card-bg); border: 1px solid var(--clr-card-border); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: rgba(240,185,11,0.15); }
        .faq-question { padding: 1.2rem 1.5rem; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; color: #fff; font-size: 0.95rem; transition: var(--transition); }
        .faq-question i { color: var(--clr-accent); transition: var(--transition); font-size: 0.85rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer { padding: 0 1.5rem 1.2rem; color: var(--clr-text-muted); font-size: 0.9rem; line-height: 1.7; display: none; }
        .faq-item.active .faq-answer { display: block; }

        /* ===== Footer ===== */
        .site-footer { background: var(--clr-footer-bg); border-top: 1px solid rgba(255,255,255,0.04); padding: 3.5rem 0 2rem; margin-top: 3rem; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; }
        .footer-brand .site-logo { font-size: 1.2rem; margin-bottom: 0.8rem; }
        .footer-brand p { font-size: 0.85rem; color: var(--clr-text-muted); max-width: 320px; line-height: 1.7; }
        .footer-col h4 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 1rem; }
        .footer-col a { display: block; font-size: 0.85rem; color: var(--clr-text-muted); padding: 0.25rem 0; transition: var(--transition); }
        .footer-col a:hover { color: var(--clr-accent); padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.04); margin-top: 2.5rem; padding-top: 1.5rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
        .footer-bottom p { font-size: 0.8rem; color: var(--clr-text-muted); }
        .footer-bottom a { color: var(--clr-text-muted); }
        .footer-bottom a:hover { color: var(--clr-accent); }
        .footer-social { display: flex; gap: 0.8rem; }
        .footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.04); display: flex; align-items: center; justify-content: center; color: var(--clr-text-muted); font-size: 0.9rem; transition: var(--transition); }
        .footer-social a:hover { background: var(--clr-accent); color: var(--clr-primary); }

        /* ===== CMS 列表区域 ===== */
        .cms-empty { text-align: center; padding: 2.5rem 1.5rem; color: var(--clr-text-muted); font-size: 0.95rem; background: rgba(255,255,255,0.02); border-radius: var(--radius-sm); border: 1px dashed rgba(255,255,255,0.08); }

        /* ===== 分类卡片 ===== */
        .category-showcase { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
        .cat-card { background: var(--clr-card-bg); border: 1px solid var(--clr-card-border); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); display: flex; flex-direction: column; }
        .cat-card:hover { transform: translateY(-4px); border-color: rgba(240,185,11,0.25); box-shadow: var(--shadow-md); }
        .cat-card .cat-img { width: 100%; aspect-ratio: 21/9; object-fit: cover; }
        .cat-card .cat-body { padding: 1.8rem; flex: 1; display: flex; flex-direction: column; }
        .cat-card .cat-body h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
        .cat-card .cat-body p { font-size: 0.9rem; color: var(--clr-text-muted); line-height: 1.7; flex: 1; }
        .cat-card .cat-body .cat-link { margin-top: 1rem; color: var(--clr-accent); font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 0.4rem; }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .card-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-bar { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 820px) {
            .nav-links { display: none; }
            .header-actions .search-box { display: none; }
            .mobile-toggle { display: block; }
            .nav-links.mobile-open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; width: 100%; background: rgba(10,14,26,0.98); backdrop-filter: blur(20px); padding: 1rem 1.5rem 1.5rem; gap: 0.5rem; border-bottom: 1px solid var(--clr-card-border); }
            .nav-links.mobile-open a { padding: 0.7rem 1rem; font-size: 1rem; }
            .header-actions .btn-header-outline { display: none; }
            .hero { min-height: 80vh; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
            .hero-stat-number { font-size: 1.3rem; }
            .section { padding: var(--gap-section-mobile) 0; }
            .category-showcase { grid-template-columns: 1fr; }
            .cta-section { padding: 2.5rem 1.5rem; }
        }

        @media (max-width: 600px) {
            .features-grid { grid-template-columns: 1fr; }
            .card-grid { grid-template-columns: 1fr; }
            .stats-bar { grid-template-columns: 1fr 1fr; padding: 1.8rem 1.2rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .hero h1 { font-size: 1.9rem; }
            .hero-actions { flex-direction: column; align-items: stretch; }
            .hero-actions .btn-primary, .hero-actions .btn-secondary { justify-content: center; }
            .section-title { font-size: 1.5rem; }
        }

        /* ===== 工具类 ===== */
        .text-accent { color: var(--clr-accent); }
        .text-center { text-align: center; }
        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .gap-1 { gap: 0.5rem; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .bg-accent-dim { background: rgba(240,185,11,0.04); }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #d946ef;
            --primary-dark: #a21caf;
            --primary-light: #f0abfc;
            --primary-bg: #fdf4ff;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-surface: #222240;
            --bg-elevated: #2a2a4a;
            --text: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border: #2e2e4e;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
            padding-top: var(--header-h);
        }
        a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            flex-shrink: 0;
            transition: opacity var(--transition);
        }
        .site-logo i { color: var(--primary); font-size: 1.5rem; }
        .site-logo:hover { opacity: 0.85; color: var(--text); }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover { color: var(--text); background: rgba(217, 70, 239, 0.1); }
        .nav-links a.active { color: var(--text); background: rgba(217, 70, 239, 0.18); font-weight: 600; }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 100px;
            padding: 0 16px;
            height: 40px;
            transition: border var(--transition);
        }
        .search-box:focus-within { border-color: var(--primary); }
        .search-box i { color: var(--text-muted); font-size: 0.9rem; }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text);
            padding: 0 10px;
            font-size: 0.85rem;
            width: 140px;
        }
        .search-box input::placeholder { color: var(--text-muted); }
        .btn-nav {
            padding: 8px 22px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            background: var(--primary);
            color: #fff;
            white-space: nowrap;
        }
        .btn-nav:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(217, 70, 239, 0.35); }
        .btn-nav-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-secondary);
        }
        .btn-nav-outline:hover { border-color: var(--primary); color: var(--text); background: rgba(217, 70, 239, 0.08); }
        .menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; padding: 4px; }

        /* ===== Article Hero ===== */
        .article-hero {
            background: linear-gradient(135deg, rgba(217, 70, 239, 0.08) 0%, rgba(15, 15, 26, 0.95) 70%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 60px 0 50px;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 40%, var(--bg) 100%);
            pointer-events: none;
        }
        .article-hero .container { position: relative; z-index: 1; }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            align-items: center;
        }
        .article-meta i { margin-right: 6px; color: var(--primary-light); }
        .article-category {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            background: rgba(217, 70, 239, 0.15);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 600;
        }
        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            max-width: 900px;
            margin-bottom: 12px;
            background: linear-gradient(135deg, var(--text) 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .article-excerpt {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }

        /* ===== Article Content ===== */
        .article-main {
            padding: 50px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 50px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 40px 44px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body h2, .article-body h3, .article-body h4 {
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: var(--text);
        }
        .article-body h2 { font-size: 1.65rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
        .article-body h3 { font-size: 1.3rem; }
        .article-body p { margin-bottom: 1.2em; }
        .article-body ul, .article-body ol { margin-bottom: 1.2em; padding-left: 1.5em; }
        .article-body li { margin-bottom: 0.4em; list-style: disc; }
        .article-body ol li { list-style: decimal; }
        .article-body a { color: var(--primary-light); text-decoration: underline; text-underline-offset: 3px; }
        .article-body a:hover { color: var(--primary); }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.5em 0;
            background: rgba(217, 70, 239, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-secondary);
        }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body pre, .article-body code {
            font-family: 'JetBrains Mono', monospace;
            background: var(--bg-surface);
            border-radius: var(--radius-xs);
        }
        .article-body pre {
            padding: 20px;
            overflow-x: auto;
            border: 1px solid var(--border);
            margin: 1.5em 0;
        }
        .article-body code {
            padding: 2px 8px;
            font-size: 0.9em;
        }
        .article-body pre code { padding: 0; background: transparent; }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 2.5em;
            padding-top: 1.5em;
            border-top: 1px solid var(--border);
        }
        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            background: var(--bg-surface);
            color: var(--text-secondary);
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .tag:hover { border-color: var(--primary); color: var(--primary-light); background: rgba(217, 70, 239, 0.08); }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-list a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(46, 46, 78, 0.4);
            transition: all var(--transition);
        }
        .sidebar-list a:last-child { border-bottom: none; }
        .sidebar-list a:hover { padding-left: 6px; }
        .sidebar-list .thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-xs);
            background: var(--bg-surface);
            flex-shrink: 0;
            object-fit: cover;
        }
        .sidebar-list .info { flex: 1; }
        .sidebar-list .info h4 { font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 4px; line-height: 1.4; }
        .sidebar-list .info span { font-size: 0.75rem; color: var(--text-muted); }
        .sidebar-cta {
            background: linear-gradient(135deg, rgba(217, 70, 239, 0.12), rgba(245, 158, 11, 0.08));
            border: 1px solid rgba(217, 70, 239, 0.2);
            text-align: center;
        }
        .sidebar-cta h3 { justify-content: center; }
        .sidebar-cta p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 16px; }
        .btn-block {
            display: block;
            width: 100%;
            padding: 12px;
            border-radius: 100px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
        }
        .btn-block:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(217, 70, 239, 0.3); color: #fff; }

        /* ===== Article Nav ===== */
        .article-nav {
            margin-top: 40px;
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            flex: 1;
            min-width: 200px;
            color: var(--text);
        }
        .article-nav a:hover { border-color: var(--primary); background: var(--bg-surface); }
        .article-nav .nav-next { text-align: right; justify-content: flex-end; }
        .article-nav .nav-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
        .article-nav .nav-title { font-size: 0.95rem; font-weight: 600; }

        /* ===== Related Section ===== */
        .related-section {
            padding: 60px 0 80px;
            border-top: 1px solid var(--border);
        }
        .related-section h2 {
            font-size: 1.6rem;
            margin-bottom: 8px;
            text-align: center;
        }
        .related-section .section-sub {
            text-align: center;
            color: var(--text-secondary);
            margin-bottom: 40px;
            font-size: 0.95rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); border-color: rgba(217, 70, 239, 0.3); box-shadow: var(--shadow); }
        .related-card img { width: 100%; height: 180px; object-fit: cover; border-radius: 0; }
        .related-card .card-body { padding: 20px; }
        .related-card .card-body h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
        .related-card .card-body p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
        .related-card .card-meta { font-size: 0.75rem; color: var(--text-muted); margin-top: 12px; display: flex; gap: 14px; }

        /* ===== Not Found ===== */
        .not-found-box {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 60px 40px;
            text-align: center;
            box-shadow: var(--shadow);
        }
        .not-found-box i { font-size: 3rem; color: var(--text-muted); margin-bottom: 16px; }
        .not-found-box h2 { font-size: 1.5rem; margin-bottom: 8px; }
        .not-found-box p { color: var(--text-secondary); margin-bottom: 24px; }
        .btn-back {
            display: inline-block;
            padding: 12px 32px;
            border-radius: 100px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(217, 70, 239, 0.3); color: #fff; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo { font-size: 1.2rem; margin-bottom: 12px; display: inline-flex; }
        .footer-brand p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; max-width: 360px; margin-top: 8px; }
        .footer-col h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; color: var(--text); letter-spacing: 0.5px; }
        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-secondary); }
        .footer-bottom a:hover { color: var(--primary-light); }
        .footer-social { display: flex; gap: 14px; }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-surface);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all var(--transition);
            font-size: 0.95rem;
        }
        .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

        /* ===== JSON-LD (hidden) ===== */
        .json-ld-hidden { display: none; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-actions .search-box { display: none; }
            .menu-toggle { display: block; }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(18px);
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border);
            }
            .article-hero { padding: 40px 0 30px; }
            .article-body { padding: 24px 20px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .related-grid { grid-template-columns: 1fr; }
            .article-nav { flex-direction: column; }
            .article-nav a { text-align: left; justify-content: flex-start; }
            .article-nav .nav-next { text-align: left; justify-content: flex-start; }
        }
        @media (max-width: 520px) {
            :root { --header-h: 64px; }
            .container { padding: 0 16px; }
            .site-logo { font-size: 1.1rem; }
            .site-logo i { font-size: 1.2rem; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-body { padding: 18px 16px; font-size: 0.95rem; }
            .related-card img { height: 140px; }
            .footer-grid { gap: 20px; }
        }

/* roulang page: category1 */
:root {
            --clr-primary: #7c3aed;
            --clr-primary-light: #a78bfa;
            --clr-primary-dark: #5b21b6;
            --clr-secondary: #f59e0b;
            --clr-secondary-light: #fbbf24;
            --clr-accent: #ec4899;
            --clr-bg: #0f0f13;
            --clr-bg-alt: #1a1a24;
            --clr-bg-card: #22222f;
            --clr-bg-elevated: #2a2a3a;
            --clr-text: #f1f1f6;
            --clr-text-muted: #9ca3af;
            --clr-text-dim: #6b7280;
            --clr-border: #2e2e42;
            --clr-border-light: #3d3d56;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.4);
            --shadow-lg: 0 12px 48px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px rgba(124,58,237,0.25);
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.7;
            font-size: 16px;
        }
        a { color: var(--clr-primary-light); text-decoration: none; transition: var(--transition); }
        a:hover, a:focus { color: var(--clr-secondary-light); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(15,15,19,0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--clr-border);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--clr-text);
            letter-spacing: -0.02em;
        }
        .site-logo i { color: var(--clr-primary-light); font-size: 1.5rem; }
        .site-logo span { background: linear-gradient(135deg, #c4b5fd, #fbbf24); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .site-logo:hover span { -webkit-text-fill-color: var(--clr-secondary-light); }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--clr-text-muted);
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover { color: var(--clr-text); background: rgba(124,58,237,0.12); }
        .nav-links a.active {
            color: var(--clr-text);
            background: rgba(124,58,237,0.18);
            box-shadow: 0 0 0 1px rgba(124,58,237,0.3);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--clr-primary-light);
            border-radius: 2px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--clr-bg-alt);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            transition: var(--transition);
        }
        .nav-search:focus-within { border-color: var(--clr-primary-light); box-shadow: 0 0 0 3px rgba(124,58,237,0.2); }
        .nav-search i { color: var(--clr-text-dim); font-size: 0.9rem; }
        .nav-search input {
            background: none;
            border: none;
            padding: 8px 10px;
            color: var(--clr-text);
            width: 140px;
            outline: none;
            font-size: 0.88rem;
        }
        .nav-search input::placeholder { color: var(--clr-text-dim); }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .btn-outline {
            background: none;
            border: 1px solid var(--clr-border-light);
            color: var(--clr-text);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.88rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover { border-color: var(--clr-primary-light); color: var(--clr-primary-light); }
        .btn-primary {
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
            border: none;
            color: #fff;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.88rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 2px 12px rgba(124,58,237,0.3);
        }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(124,58,237,0.45); }
        .btn-primary:active { transform: translateY(0); }
        .hamburger { display: none; background: none; border: none; color: var(--clr-text); font-size: 1.5rem; cursor: pointer; padding: 4px; }
        /* ===== Hero / Banner ===== */
        .page-hero {
            margin-top: var(--header-h);
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,15,19,0.85), rgba(30,10,50,0.75), rgba(15,15,19,0.8));
            z-index: 1;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(124,58,237,0.2), transparent 70%);
            z-index: 1;
        }
        .page-hero .container { position: relative; z-index: 2; padding: 60px 24px; }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #f1f1f6, #c4b5fd, #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--clr-text-muted);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .hero-tags span {
            background: rgba(124,58,237,0.18);
            border: 1px solid rgba(124,58,237,0.25);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.82rem;
            color: var(--clr-primary-light);
        }
        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt { background: var(--clr-bg-alt); }
        .section-dark { background: var(--clr-bg-card); }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #f1f1f6, #c4b5fd);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-header p {
            color: var(--clr-text-muted);
            font-size: 1.05rem;
            line-height: 1.7;
        }
        .section-header .subtitle {
            display: inline-block;
            background: rgba(124,58,237,0.15);
            border: 1px solid rgba(124,58,237,0.2);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            color: var(--clr-primary-light);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        /* ===== Cards Grid ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            border-color: var(--clr-border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), var(--shadow-glow);
        }
        .card .card-icon {
            width: 52px;
            height: 52px;
            background: rgba(124,58,237,0.15);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--clr-primary-light);
            margin-bottom: 18px;
        }
        .card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--clr-text);
        }
        .card p {
            color: var(--clr-text-muted);
            font-size: 0.94rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .card .card-tag {
            display: inline-block;
            background: rgba(245,158,11,0.12);
            color: var(--clr-secondary);
            font-size: 0.75rem;
            padding: 2px 12px;
            border-radius: 20px;
            font-weight: 500;
        }
        /* ===== Features / Flow ===== */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .flow-step {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .flow-step:hover { border-color: var(--clr-border-light); transform: translateY(-3px); box-shadow: var(--shadow-md); }
        .flow-step .step-num {
            counter-increment: step;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 16px;
            color: #fff;
            box-shadow: 0 0 20px rgba(124,58,237,0.3);
        }
        .flow-step h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--clr-text);
        }
        .flow-step p {
            color: var(--clr-text-muted);
            font-size: 0.88rem;
            line-height: 1.6;
        }
        /* ===== Image + Text ===== */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .media-block.reverse { direction: rtl; }
        .media-block.reverse > * { direction: ltr; }
        .media-block .media-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--clr-border);
        }
        .media-block .media-image img { width: 100%; height: 380px; object-fit: cover; transition: var(--transition); }
        .media-block .media-image:hover img { transform: scale(1.03); }
        .media-block .media-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .media-block .media-text p {
            color: var(--clr-text-muted);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .media-block .media-text ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .media-block .media-text ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--clr-text-muted);
            font-size: 0.94rem;
        }
        .media-block .media-text ul li i {
            color: var(--clr-secondary);
            margin-top: 4px;
            flex-shrink: 0;
        }
        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 0;
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item:hover { border-color: var(--clr-border-light); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--clr-text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question i { color: var(--clr-primary-light); font-size: 1.1rem; transition: var(--transition); flex-shrink: 0; }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--clr-text-muted);
            font-size: 0.94rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 400px;
            padding: 0 24px 20px;
        }
        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(124,58,237,0.12), rgba(245,158,11,0.08));
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-xl);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -20%;
            width: 60%;
            height: 160%;
            background: radial-gradient(ellipse, rgba(124,58,237,0.15), transparent 70%);
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            color: var(--clr-text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
            position: relative;
            z-index: 1;
        }
        .cta-block .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        .btn-cta {
            background: linear-gradient(135deg, var(--clr-secondary), #d97706);
            border: none;
            color: #1a1a24;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(245,158,11,0.3);
        }
        .btn-cta:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(245,158,11,0.45); }
        .btn-cta-outline {
            background: none;
            border: 1px solid var(--clr-border-light);
            color: var(--clr-text);
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-cta-outline:hover { border-color: var(--clr-primary-light); color: var(--clr-primary-light); }
        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 32px 16px;
            transition: var(--transition);
        }
        .stat-item:hover { border-color: var(--clr-border-light); transform: translateY(-2px); }
        .stat-item .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, #c4b5fd, #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            color: var(--clr-text-muted);
            font-size: 0.9rem;
            margin-top: 6px;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--clr-bg-alt);
            border-top: 1px solid var(--clr-border);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo { margin-bottom: 14px; }
        .footer-brand p {
            color: var(--clr-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--clr-text);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: var(--clr-text-muted);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--clr-primary-light); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid var(--clr-border);
            font-size: 0.84rem;
            color: var(--clr-text-dim);
        }
        .footer-bottom a { color: var(--clr-text-dim); }
        .footer-bottom a:hover { color: var(--clr-primary-light); }
        .footer-social { display: flex; gap: 14px; }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--clr-text-muted);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .footer-social a:hover { background: rgba(124,58,237,0.2); border-color: var(--clr-primary-light); color: var(--clr-primary-light); transform: translateY(-2px); }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .cards-grid { grid-template-columns: repeat(2, 1fr); }
            .flow-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .media-block { grid-template-columns: 1fr; gap: 32px; }
            .media-block.reverse { direction: ltr; }
        }
        @media (max-width: 820px) {
            .nav-links, .nav-search, .nav-actions .btn-outline { display: none; }
            .hamburger { display: block; }
            .nav-actions .btn-primary { display: none; }
            .mobile-menu-open .nav-links,
            .mobile-menu-open .nav-search,
            .mobile-menu-open .nav-actions .btn-outline,
            .mobile-menu-open .nav-actions .btn-primary {
                display: flex;
            }
            .mobile-menu-open .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(15,15,19,0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                border-bottom: 1px solid var(--clr-border);
                gap: 6px;
                z-index: 999;
            }
            .mobile-menu-open .nav-search {
                position: fixed;
                top: calc(var(--header-h) + 180px);
                left: 24px;
                right: 24px;
                z-index: 999;
            }
            .page-hero h1 { font-size: 2rem; }
            .section-header h2 { font-size: 1.6rem; }
            .cta-block { padding: 40px 24px; }
            .cta-block h2 { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .cards-grid { grid-template-columns: 1fr; }
            .flow-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
            .page-hero h1 { font-size: 1.6rem; }
            .page-hero p { font-size: 0.95rem; }
            .section { padding: 48px 0; }
            .section-header { margin-bottom: 32px; }
            .media-block .media-image img { height: 220px; }
            .stat-item .stat-num { font-size: 1.8rem; }
        }