/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-tertiary: #0B3C25;
            --bg-card: #1A4A30;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --accent-bronze: #C5A059;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-light: #F5F5F7;
            --text-dim: #A6ACAF;
            --border-gold: #FFD700;
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.3);
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        ul { list-style: none; padding: 0; margin: 0; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.25; }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

        /* Navbar */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(10,46,28,0.92); backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,215,0,0.25);
            transition: all var(--transition-smooth);
        }
        .nav-wrapper {
            display: flex; align-items: center; justify-content: space-between;
            height: 72px; max-width: 1280px; margin: 0 auto; padding: 0 24px;
        }
        .logo {
            font-family: var(--font-heading); font-weight: 800; font-size: 1.25rem;
            color: var(--accent-gold); letter-spacing: 0.5px;
            display: flex; align-items: center; gap: 8px;
            white-space: nowrap;
        }
        .logo i { font-size: 1.5rem; }
        .nav-links { display: flex; align-items: center; gap: 28px; }
        .nav-links a {
            color: var(--text-mint); font-weight: 600; font-size: 0.95rem;
            position: relative; padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .nav-links a:hover, .nav-links a.active { color: var(--accent-gold); }
        .nav-links a::after {
            content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
            background: var(--accent-gold); transition: width var(--transition-smooth);
        }
        .nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .btn-login {
            background: transparent; border: 1px solid var(--accent-gold); color: var(--accent-gold);
            padding: 10px 22px; border-radius: 50px; font-weight: 700; font-size: 0.9rem;
            cursor: pointer; transition: all var(--transition-fast);
        }
        .btn-login:hover { background: rgba(255,215,0,0.1); }
        .btn-signup {
            background: var(--accent-gold); color: var(--bg-primary); border: none;
            padding: 11px 26px; border-radius: 50px; font-weight: 700; font-size: 0.9rem;
            cursor: pointer; transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(255,215,0,0.35);
        }
        .btn-signup:hover { background: #ffe44d; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,215,0,0.5); }
        .mobile-toggle { display: none; background: none; border: none; color: var(--text-mint); font-size: 1.8rem; cursor: pointer; }

        /* Hero Section - Immersive KV with countdown */
        .hero-kv {
            position: relative; min-height: 580px; display: flex; align-items: center; justify-content: center;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            margin-top: 72px;
        }
        .hero-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(180deg, rgba(10,46,28,0.7) 0%, rgba(10,46,28,0.92) 100%);
        }
        .hero-content { position: relative; z-index: 2; text-align: center; max-width: 780px; padding: 60px 24px; }
        .hero-kv h1 {
            font-size: 2.8rem; font-weight: 900; color: var(--accent-gold);
            text-shadow: 0 4px 20px rgba(0,0,0,0.5); margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .hero-kv .hero-desc {
            font-size: 1.15rem; color: var(--text-mint); line-height: 1.8; margin-bottom: 28px;
        }
        .countdown-bar {
            display: flex; justify-content: center; gap: 20px; margin-bottom: 30px; flex-wrap: wrap;
        }
        .countdown-item {
            background: rgba(0,0,0,0.5); backdrop-filter: blur(10px); border: 1px solid rgba(255,215,0,0.4);
            border-radius: var(--radius-md); padding: 14px 20px; text-align: center; min-width: 80px;
        }
        .countdown-item .num { font-size: 2rem; font-weight: 900; color: var(--accent-gold); }
        .countdown-item .label { font-size: 0.8rem; color: var(--text-mint); text-transform: uppercase; letter-spacing: 1px; }
        .hero-cta-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .btn-cta-primary {
            background: var(--accent-red); color: #fff; border: none;
            padding: 14px 36px; border-radius: 50px; font-weight: 800; font-size: 1rem;
            cursor: pointer; transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(211,47,47,0.5);
        }
        .btn-cta-primary:hover { background: #e53935; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(211,47,47,0.6); }
        .btn-cta-outline {
            background: transparent; border: 2px solid var(--text-mint); color: var(--text-mint);
            padding: 13px 34px; border-radius: 50px; font-weight: 700; font-size: 1rem;
            cursor: pointer; transition: all var(--transition-fast);
        }
        .btn-cta-outline:hover { border-color: var(--accent-gold); color: var(--accent-gold); }

        /* Section Common */
        .section { padding: 80px 0; }
        .section-title { font-size: 2rem; font-weight: 800; color: var(--accent-gold); margin-bottom: 16px; }
        .section-subtitle { font-size: 1rem; color: var(--text-mint); max-width: 640px; margin-bottom: 40px; line-height: 1.7; }

        /* Latest News Section */
        .news-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; align-items: start; }
        .news-list { display: flex; flex-direction: column; gap: 16px; }
        .news-item { display: flex; gap: 18px; padding: 18px; background: var(--bg-secondary); border-radius: var(--radius-md); border: 1px solid rgba(255,215,0,0.15); transition: all var(--transition-fast); }
        .news-item:hover { border-color: var(--accent-gold); transform: translateY(-2px); box-shadow: var(--shadow-gold); }
        .news-item .news-thumb { width: 100px; height: 70px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; background: var(--bg-tertiary); }
        .news-info h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-white); margin-bottom: 4px; }
        .news-info p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.5; margin: 0; }
        .news-info .news-meta { font-size: 0.78rem; color: var(--accent-bronze); }
        .news-recommend { background: var(--bg-card); border-radius: var(--radius-lg); padding: 28px; border: 1px solid rgba(255,215,0,0.2); }
        .news-recommend h3 { font-size: 1.3rem; color: var(--accent-gold); margin-bottom: 16px; }
        .rec-list { display: flex; flex-direction: column; gap: 14px; }
        .rec-item { font-size: 0.95rem; color: var(--text-mint); border-bottom: 1px solid rgba(255,215,0,0.1); padding-bottom: 12px; cursor: pointer; transition: color var(--transition-fast); }
        .rec-item:hover { color: var(--accent-gold); }

        /* Quick FAQ Section */
        .faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .faq-card { background: var(--bg-secondary); border-radius: var(--radius-md); padding: 28px; border: 1px solid rgba(255,215,0,0.15); transition: all var(--transition-fast); }
        .faq-card:hover { border-color: var(--accent-gold); }
        .faq-card h3 { font-size: 1.15rem; color: var(--accent-gold); margin-bottom: 10px; font-weight: 700; }
        .faq-card p { font-size: 0.95rem; color: var(--text-mint); line-height: 1.7; margin: 0; }

        /* Info Section */
        .info-asym { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; }
        .info-text h2 { font-size: 2rem; font-weight: 800; color: var(--accent-gold); margin-bottom: 18px; }
        .info-text p { font-size: 1rem; color: var(--text-mint); line-height: 1.8; margin-bottom: 12px; }
        .info-visual { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
        .info-visual img { width: 100%; height: auto; }

        /* Security Section */
        .security-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .security-card { background: var(--bg-tertiary); border-radius: var(--radius-md); padding: 32px 24px; text-align: center; border: 1px solid rgba(255,215,0,0.2); transition: all var(--transition-fast); }
        .security-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-gold); }
        .security-card i { font-size: 2.5rem; color: var(--accent-gold); margin-bottom: 16px; }
        .security-card h4 { font-size: 1.2rem; color: var(--text-white); margin-bottom: 10px; font-weight: 700; }
        .security-card p { font-size: 0.9rem; color: var(--text-dim); line-height: 1.6; margin: 0; }

        /* Festival Campaign Section */
        .campaign-banner { background: linear-gradient(135deg, #8B0000 0%, #4A0007 100%); border-radius: var(--radius-xl); padding: 48px 40px; position: relative; overflow: hidden; }
        .campaign-banner::before { content: ''; position: absolute; top: -40px; right: -40px; width: 200px; height: 200px; background: radial-gradient(circle, rgba(255,215,0,0.3) 0%, transparent 70%); border-radius: 50%; }
        .campaign-content { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 28px; }
        .campaign-text h3 { font-size: 2rem; font-weight: 900; color: var(--accent-gold); margin-bottom: 10px; }
        .campaign-text p { font-size: 1.05rem; color: #FEF08A; line-height: 1.7; margin: 0; max-width: 500px; }
        .btn-campaign { background: var(--accent-gold); color: #4A0007; border: none; padding: 14px 34px; border-radius: 50px; font-weight: 800; font-size: 1rem; cursor: pointer; transition: all var(--transition-fast); white-space: nowrap; }
        .btn-campaign:hover { background: #ffe44d; transform: scale(1.05); }

        /* Hot Recommendation */
        .hot-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; }
        .hot-main { border-radius: var(--radius-lg); overflow: hidden; position: relative; box-shadow: var(--shadow-card); }
        .hot-main img { width: 100%; height: 360px; object-fit: cover; }
        .hot-main .hot-tag { position: absolute; top: 18px; left: 18px; background: var(--accent-red); color: #fff; padding: 6px 16px; border-radius: 50px; font-weight: 800; font-size: 0.85rem; }
        .hot-main .hot-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 28px; background: linear-gradient(transparent, rgba(0,0,0,0.9)); }
        .hot-main .hot-info h3 { font-size: 1.5rem; font-weight: 800; color: var(--accent-gold); margin-bottom: 6px; }
        .hot-side { display: flex; flex-direction: column; gap: 18px; }
        .hot-small { display: flex; gap: 14px; background: var(--bg-secondary); border-radius: var(--radius-md); padding: 16px; border: 1px solid rgba(255,215,0,0.1); transition: all var(--transition-fast); }
        .hot-small:hover { border-color: var(--accent-gold); }
        .hot-small img { width: 90px; height: 70px; border-radius: var(--radius-sm); object-fit: cover; }
        .hot-small h4 { font-size: 0.95rem; color: var(--text-white); margin-bottom: 4px; font-weight: 700; }
        .hot-small p { font-size: 0.8rem; color: var(--text-dim); margin: 0; }

        /* App Download Section */
        .app-section { background: var(--bg-secondary); border-radius: var(--radius-xl); padding: 56px 48px; }
        .app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
        .app-info h2 { font-size: 2rem; font-weight: 800; color: var(--accent-gold); margin-bottom: 14px; }
        .app-info p { font-size: 1rem; color: var(--text-mint); line-height: 1.8; margin-bottom: 22px; }
        .app-btns { display: flex; gap: 16px; flex-wrap: wrap; }
        .app-btn { display: flex; align-items: center; gap: 10px; background: #000; color: #fff; padding: 12px 24px; border-radius: var(--radius-md); font-weight: 700; cursor: pointer; transition: all var(--transition-fast); border: 1px solid rgba(255,255,255,0.2); }
        .app-btn:hover { background: #1a1a1a; border-color: var(--accent-gold); }
        .app-visual img { max-width: 280px; margin: 0 auto; }

        /* Footer */
        .site-footer { background: #051a10; border-top: 2px solid rgba(255,215,0,0.2); padding: 48px 0 28px; }
        .footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; margin-bottom: 36px; }
        .footer-col h4 { font-size: 1.15rem; color: var(--accent-gold); margin-bottom: 18px; font-weight: 700; }
        .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
        .footer-col ul li a { color: var(--text-dim); font-size: 0.9rem; transition: color var(--transition-fast); }
        .footer-col ul li a:hover { color: var(--accent-gold); }
        .footer-bottom { text-align: center; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 28px; }
        .footer-bottom p { color: var(--text-dim); font-size: 0.85rem; margin: 4px 0; }

        /* FAB */
        .fab-left {
            position: fixed; left: 24px; bottom: 96px; z-index: 999;
            width: 56px; height: 56px; background: var(--bg-primary); border: 2px solid var(--accent-gold);
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            cursor: pointer; box-shadow: var(--shadow-gold); transition: all var(--transition-smooth);
            animation: floatUpDown 3s ease-in-out infinite;
        }
        .fab-left i { font-size: 1.4rem; color: var(--accent-gold); }
        .fab-left:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(255,215,0,0.5); animation-play-state: paused; }
        @keyframes floatUpDown { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-kv h1 { font-size: 2.2rem; }
            .news-grid { grid-template-columns: 1fr; }
            .info-asym { grid-template-columns: 1fr; }
            .security-features { grid-template-columns: repeat(2,1fr); }
            .hot-grid { grid-template-columns: 1fr; }
            .app-grid { grid-template-columns: 1fr; text-align: center; }
            .app-visual { display: flex; justify-content: center; }
            .footer-grid { grid-template-columns: repeat(2,1fr); }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .nav-links.mobile-open {
                display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
                background: rgba(10,46,28,0.98); padding: 24px; gap: 18px; border-bottom: 2px solid var(--accent-gold);
            }
            .hero-kv { min-height: 480px; margin-top: 72px; }
            .hero-kv h1 { font-size: 1.8rem; }
            .countdown-bar { gap: 10px; }
            .countdown-item { padding: 10px 14px; min-width: 60px; }
            .countdown-item .num { font-size: 1.5rem; }
            .section-title { font-size: 1.5rem; }
            .faq-grid { grid-template-columns: 1fr; }
            .security-features { grid-template-columns: 1fr; }
            .campaign-content { flex-direction: column; }
            .campaign-text h3 { font-size: 1.5rem; }
            .app-section { padding: 32px 20px; }
            .footer-grid { grid-template-columns: 1fr; }
            .fab-left { left: 16px; bottom: 80px; width: 48px; height: 48px; }
        }
        @media (max-width: 520px) {
            .hero-kv h1 { font-size: 1.5rem; }
            .hero-desc { font-size: 0.95rem; }
            .hero-cta-group { flex-direction: column; align-items: center; }
            .btn-cta-primary, .btn-cta-outline { width: 100%; text-align: center; }
            .nav-actions .btn-login, .nav-actions .btn-signup { padding: 8px 16px; font-size: 0.8rem; }
            .section { padding: 48px 0; }
            .container { padding: 0 16px; }
            .news-item { flex-direction: column; }
            .news-item .news-thumb { width: 100%; height: 140px; }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-tertiary: #0B3C25;
            --bg-card: #1A4A30;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --accent-bronze: #C5A059;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-light: #F5F5F7;
            --text-dim: #A6ACAF;
            --border-gold: #FFD700;
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.3);
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(10,46,28,0.92); backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,215,0,0.25);
            transition: all var(--transition-smooth);
        }
        .nav-wrapper {
            display: flex; align-items: center; justify-content: space-between;
            height: 72px; max-width: 1280px; margin: 0 auto; padding: 0 24px;
        }
        .logo {
            font-family: var(--font-heading); font-weight: 800; font-size: 1.25rem;
            color: var(--accent-gold); letter-spacing: 0.5px;
            display: flex; align-items: center; gap: 8px;
            white-space: nowrap;
        }
        .logo i { font-size: 1.5rem; }
        .nav-links { display: flex; align-items: center; gap: 28px; }
        .nav-links a {
            color: var(--text-mint); font-weight: 600; font-size: 0.95rem;
            position: relative; padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .nav-links a:hover, .nav-links a.active { color: var(--accent-gold); }
        .nav-links a::after {
            content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
            background: var(--accent-gold); transition: width var(--transition-smooth);
        }
        .nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .btn-login {
            background: transparent; border: 1px solid var(--accent-gold); color: var(--accent-gold);
            padding: 10px 22px; border-radius: 50px; font-weight: 700; font-size: 0.9rem;
            cursor: pointer; transition: all var(--transition-fast);
        }
        .btn-login:hover { background: rgba(255,215,0,0.1); }
        .btn-signup {
            background: var(--accent-gold); color: var(--bg-primary); border: none;
            padding: 11px 26px; border-radius: 50px; font-weight: 700; font-size: 0.9rem;
            cursor: pointer; transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(255,215,0,0.35);
        }
        .btn-signup:hover { background: #ffe44d; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,215,0,0.5); }
        .mobile-toggle { display: none; background: none; border: none; color: var(--text-mint); font-size: 1.8rem; cursor: pointer; }
        .page-banner {
            position: relative; min-height: 400px; display: flex; align-items: center; justify-content: center;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            margin-top: 72px;
        }
        .banner-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(180deg, rgba(10,46,28,0.75) 0%, rgba(10,46,28,0.95) 100%);
        }
        .banner-content { position: relative; z-index: 2; text-align: left; max-width: 780px; padding: 60px 24px; }
        .banner-content h1 {
            font-size: 2.5rem; font-weight: 900; color: var(--accent-gold);
            text-shadow: 0 4px 20px rgba(0,0,0,0.5); margin-bottom: 18px;
            letter-spacing: -0.5px; text-align: left;
        }
        .banner-content .banner-desc {
            font-size: 1.15rem; color: var(--text-mint); line-height: 1.8; margin-bottom: 24px;
            text-align: left;
        }
        .section { padding: 70px 0; }
        .section-header { margin-bottom: 48px; }
        .section-header h2 {
            font-size: 2.2rem; font-weight: 900; color: var(--accent-gold);
            margin-bottom: 12px; text-align: left;
        }
        .section-header .lead {
            font-size: 1.1rem; color: var(--text-mint); line-height: 1.7;
            text-align: left;
        }
        .rule-block {
            background: var(--bg-card); border-radius: var(--radius-lg);
            padding: 40px; margin-bottom: 32px;
            border: 1px solid rgba(255,215,0,0.15);
            transition: all var(--transition-smooth);
        }
        .rule-block:hover { border-color: rgba(255,215,0,0.4); box-shadow: var(--shadow-gold); }
        .rule-block h3 {
            font-size: 1.6rem; font-weight: 800; color: var(--accent-amber);
            margin-bottom: 16px; display: flex; align-items: center; gap: 12px;
        }
        .rule-block h3 i { font-size: 1.4rem; color: var(--accent-gold); }
        .rule-block p { color: var(--text-mint); line-height: 1.8; margin-bottom: 12px; font-size: 1rem; }
        .rule-list { list-style: none; padding: 0; margin: 16px 0 0; }
        .rule-list li {
            color: var(--text-mint); line-height: 1.8; padding: 8px 0 8px 28px;
            position: relative; font-size: 1rem;
        }
        .rule-list li::before {
            content: '\f058'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
            color: var(--accent-gold); position: absolute; left: 0; top: 8px;
            font-size: 0.9rem;
        }
        .highlight-box {
            background: rgba(255,215,0,0.08); border-left: 4px solid var(--accent-gold);
            border-radius: var(--radius-sm); padding: 20px 28px; margin: 20px 0;
        }
        .highlight-box p { color: var(--accent-gold); font-weight: 600; margin: 0; }
        .point-table {
            width: 100%; border-collapse: collapse; margin-top: 16px;
            background: rgba(0,0,0,0.3); border-radius: var(--radius-md); overflow: hidden;
        }
        .point-table th {
            background: var(--accent-gold); color: var(--bg-primary);
            padding: 14px 20px; font-weight: 800; text-align: left; font-size: 0.95rem;
        }
        .point-table td {
            padding: 12px 20px; border-bottom: 1px solid rgba(255,215,0,0.15);
            color: var(--text-mint); font-size: 0.95rem;
        }
        .download-cta-box {
            background: linear-gradient(135deg, rgba(211,47,47,0.2) 0%, rgba(10,46,28,0.8) 100%);
            border: 2px solid var(--accent-red); border-radius: var(--radius-xl);
            padding: 50px 40px; text-align: center; margin-top: 50px;
        }
        .download-cta-box h2 {
            font-size: 2rem; font-weight: 900; color: var(--accent-gold); margin-bottom: 16px;
        }
        .download-cta-box p {
            font-size: 1.1rem; color: var(--text-mint); margin-bottom: 24px; line-height: 1.7;
        }
        .btn-cta-download {
            background: var(--accent-red); color: #fff; border: none;
            padding: 16px 44px; border-radius: 50px; font-weight: 800; font-size: 1.05rem;
            cursor: pointer; transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(211,47,47,0.5);
        }
        .btn-cta-download:hover { background: #e53935; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(211,47,47,0.6); }
        .site-footer {
            background: var(--bg-tertiary); padding: 60px 0 30px;
            border-top: 1px solid rgba(255,215,0,0.2); margin-top: 0;
        }
        .footer-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-bottom: 40px;
        }
        .footer-col h4 {
            font-size: 1.1rem; font-weight: 800; color: var(--accent-gold); margin-bottom: 16px;
        }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a { color: var(--text-mint); font-size: 0.9rem; transition: color var(--transition-fast); }
        .footer-col ul li a:hover { color: var(--accent-gold); }
        .footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid rgba(255,215,0,0.1); }
        .footer-bottom p { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 6px; }
        @media (max-width: 1024px) {
            .nav-links { gap: 18px; }
            .nav-links a { font-size: 0.85rem; }
            .container { padding: 0 20px; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0;
                background: rgba(10,46,28,0.98); flex-direction: column; padding: 24px;
                border-bottom: 2px solid var(--accent-gold); gap: 16px;
            }
            .nav-links.active-mobile { display: flex; }
            .mobile-toggle { display: block; }
            .nav-wrapper { height: 64px; }
            .logo { font-size: 1.1rem; }
            .banner-content h1 { font-size: 1.8rem; }
            .section { padding: 50px 0; }
            .section-header h2 { font-size: 1.7rem; }
            .rule-block { padding: 28px 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .download-cta-box { padding: 36px 24px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .banner-content h1 { font-size: 1.5rem; }
            .btn-login, .btn-signup { padding: 8px 16px; font-size: 0.8rem; }
            .download-cta-box h2 { font-size: 1.5rem; }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-tertiary: #0B3C25;
            --bg-card: #1A4A30;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --accent-bronze: #C5A059;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-light: #F5F5F7;
            --text-dim: #A6ACAF;
            --border-gold: #FFD700;
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.3);
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10,46,28,0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,215,0,0.25);
            transition: all var(--transition-smooth);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-smooth);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(255,215,0,0.1);
        }

        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-primary);
            border: none;
            padding: 11px 26px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(255,215,0,0.35);
        }

        .btn-signup:hover {
            background: #ffe44d;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255,215,0,0.5);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-mint);
            font-size: 1.8rem;
            cursor: pointer;
        }

        .article-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            margin-top: 72px;
        }

        .article-banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,46,28,0.75) 0%, rgba(10,46,28,0.95) 100%);
        }

        .article-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 60px 24px;
        }

        .article-banner h1 {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--accent-gold);
            text-shadow: 0 4px 20px rgba(0,0,0,0.5);
            margin-bottom: 18px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            color: var(--text-mint);
            font-size: 0.95rem;
        }

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

        .article-meta i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }

        .article-main {
            padding: 60px 0 80px;
            background: var(--bg-secondary);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }

        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid rgba(255,215,0,0.15);
            box-shadow: var(--shadow-card);
        }

        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-top: 32px;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-mint);
            margin-top: 24px;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-body p {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: 20px;
        }

        .article-body li {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 8px;
        }

        .article-body strong {
            color: var(--accent-gold);
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255,215,0,0.05);
            padding: 20px 24px;
            margin: 28px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
        }

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

        .pull-quote {
            background: rgba(255,215,0,0.08);
            border: 1px solid rgba(255,215,0,0.3);
            padding: 28px 32px;
            border-radius: var(--radius-md);
            margin: 32px 0;
            text-align: center;
        }

        .pull-quote i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .pull-quote p {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--accent-gold);
            line-height: 1.6;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }

        .article-sidebar {
            position: sticky;
            top: 96px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255,215,0,0.15);
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255,215,0,0.2);
        }

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

        .sidebar-card li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,215,0,0.08);
        }

        .sidebar-card li:last-child {
            border-bottom: none;
        }

        .sidebar-card a {
            color: var(--text-mint);
            font-size: 0.95rem;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card a:hover {
            color: var(--accent-gold);
        }

        .sidebar-card a i {
            font-size: 0.75rem;
            color: var(--accent-gold);
        }

        .cta-banner {
            background: linear-gradient(135deg, var(--accent-red), #B71C1C);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
        }

        .cta-banner h4 {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-banner p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 20px;
        }

        .btn-cta-sidebar {
            background: var(--accent-gold);
            color: var(--bg-primary);
            border: none;
            padding: 13px 30px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(255,215,0,0.35);
            width: 100%;
        }

        .btn-cta-sidebar:hover {
            background: #ffe44d;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255,215,0,0.5);
        }

        .not-found-section {
            padding: 80px 0;
            text-align: center;
        }

        .not-found-section i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

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

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

        .btn-back-home {
            background: var(--accent-gold);
            color: var(--bg-primary);
            border: none;
            padding: 13px 30px;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-gold);
            display: inline-block;
        }

        .btn-back-home:hover {
            background: #ffe44d;
            transform: translateY(-2px);
        }

        .faq-section {
            padding: 70px 0;
            background: var(--bg-primary);
        }

        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .section-title p {
            color: var(--text-mint);
            font-size: 1.05rem;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid rgba(255,215,0,0.15);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .faq-item h4 {
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 1.05rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h4 i {
            font-size: 0.85rem;
            color: var(--accent-red);
        }

        .faq-item p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }

        .cta-bottom {
            padding: 80px 0;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            position: relative;
        }

        .cta-bottom-overlay {
            position: absolute;
            inset: 0;
            background: rgba(10,46,28,0.88);
        }

        .cta-bottom-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-bottom-content h2 {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }

        .cta-bottom-content p {
            color: var(--text-mint);
            font-size: 1.1rem;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .btn-cta-large {
            background: var(--accent-red);
            color: #fff;
            border: none;
            padding: 16px 42px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(211,47,47,0.5);
        }

        .btn-cta-large:hover {
            background: #e53935;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(211,47,47,0.6);
        }

        .fab-left {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: rgba(0,0,0,0.85);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-gold);
            animation: float-slow 3s ease-in-out infinite;
        }

        .fab-left i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }

        .fab-left:hover {
            transform: scale(1.1);
            background: var(--accent-gold);
        }

        .fab-left:hover i {
            color: var(--bg-primary);
        }

        @keyframes float-slow {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        .site-footer {
            background: var(--bg-tertiary);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255,215,0,0.2);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 16px;
        }

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

        .footer-col li {
            margin-bottom: 10px;
        }

        .footer-col a {
            color: var(--text-mint);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,215,0,0.15);
            padding-top: 20px;
        }

        .footer-bottom p {
            color: var(--text-dim);
            font-size: 0.85rem;
            margin: 0 0 6px;
            text-align: center;
        }

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                position: static;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10,46,28,0.98);
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                border-bottom: 1px solid rgba(255,215,0,0.3);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .article-banner h1 {
                font-size: 1.8rem;
            }
            .article-body {
                padding: 24px;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                left: 16px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-banner h1 {
                font-size: 1.5rem;
            }
            .article-body {
                padding: 20px;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .cta-bottom-content h2 {
                font-size: 1.6rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-tertiary: #0B3C25;
            --bg-card: #1A4A30;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --accent-bronze: #C5A059;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-light: #F5F5F7;
            --text-dim: #A6ACAF;
            --border-gold: #FFD700;
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.3);
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

        /* Navbar */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(10,46,28,0.92); backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,215,0,0.25);
            transition: all var(--transition-smooth);
        }
        .nav-wrapper {
            display: flex; align-items: center; justify-content: space-between;
            height: 72px; max-width: 1280px; margin: 0 auto; padding: 0 24px;
        }
        .logo {
            font-family: var(--font-heading); font-weight: 800; font-size: 1.25rem;
            color: var(--accent-gold); letter-spacing: 0.5px;
            display: flex; align-items: center; gap: 8px;
            white-space: nowrap;
        }
        .logo i { font-size: 1.5rem; }
        .nav-links { display: flex; align-items: center; gap: 28px; }
        .nav-links a {
            color: var(--text-mint); font-weight: 600; font-size: 0.95rem;
            position: relative; padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .nav-links a:hover, .nav-links a.active { color: var(--accent-gold); }
        .nav-links a::after {
            content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
            background: var(--accent-gold); transition: width var(--transition-smooth);
        }
        .nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .btn-login {
            background: transparent; border: 1px solid var(--accent-gold); color: var(--accent-gold);
            padding: 10px 22px; border-radius: 50px; font-weight: 700; font-size: 0.9rem;
            cursor: pointer; transition: all var(--transition-fast);
        }
        .btn-login:hover { background: rgba(255,215,0,0.1); }
        .btn-signup {
            background: var(--accent-gold); color: var(--bg-primary); border: none;
            padding: 11px 26px; border-radius: 50px; font-weight: 700; font-size: 0.9rem;
            cursor: pointer; transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(255,215,0,0.35);
        }
        .btn-signup:hover { background: #ffe44d; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,215,0,0.5); }
        .mobile-toggle { display: none; background: none; border: none; color: var(--text-mint); font-size: 1.8rem; cursor: pointer; }

        /* Page Banner */
        .page-banner {
            position: relative; min-height: 400px; display: flex; align-items: center; justify-content: center;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            margin-top: 72px;
        }
        .banner-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(180deg, rgba(10,46,28,0.8) 0%, rgba(10,46,28,0.95) 100%);
        }
        .banner-content { position: relative; z-index: 2; text-align: left; max-width: 900px; padding: 60px 24px; }
        .banner-content h1 {
            font-size: 2.6rem; font-weight: 900; color: var(--accent-gold);
            text-shadow: 0 4px 20px rgba(0,0,0,0.5); margin-bottom: 16px;
            letter-spacing: -0.5px; line-height: 1.3;
        }
        .banner-content .subtitle {
            font-size: 1.2rem; color: var(--text-mint); line-height: 1.7; margin-bottom: 24px;
            max-width: 700px;
        }
        .badge-row { display: flex; gap: 16px; flex-wrap: wrap; }
        .badge-item {
            background: rgba(255,215,0,0.1); border: 1px solid rgba(255,215,0,0.3);
            border-radius: 50px; padding: 8px 18px; font-size: 0.85rem;
            color: var(--accent-gold); font-weight: 600; display: flex; align-items: center; gap: 6px;
        }
        .badge-item i { font-size: 0.9rem; }

        /* Section Styles */
        .section { padding: 80px 0; }
        .section-dark { background: var(--bg-secondary); }
        .section-title {
            font-size: 2rem; font-weight: 900; color: var(--accent-gold);
            margin-bottom: 12px; letter-spacing: -0.3px;
        }
        .section-desc {
            font-size: 1.05rem; color: var(--text-dim); line-height: 1.7;
            max-width: 800px; margin-bottom: 48px;
        }

        /* Strategy Cards */
        .strategy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .strategy-card {
            background: var(--bg-card); border: 1px solid rgba(255,215,0,0.15);
            border-radius: var(--radius-lg); padding: 32px 24px;
            transition: all var(--transition-smooth); position: relative; overflow: hidden;
        }
        .strategy-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
        }
        .strategy-card .card-icon {
            font-size: 2.4rem; color: var(--accent-gold); margin-bottom: 16px;
            width: 60px; height: 60px; display: flex; align-items: center; justify-content: center;
            background: rgba(255,215,0,0.08); border-radius: 50%;
        }
        .strategy-card h3 { font-size: 1.25rem; font-weight: 800; color: var(--text-white); margin-bottom: 10px; }
        .strategy-card p { font-size: 0.95rem; color: var(--text-dim); line-height: 1.6; }
        .tag-hot {
            position: absolute; top: 16px; right: 16px;
            background: var(--accent-red); color: #fff; font-size: 0.75rem; font-weight: 700;
            padding: 4px 12px; border-radius: 50px; letter-spacing: 0.5px;
        }

        /* Process / Steps */
        .steps-vertical { display: flex; flex-direction: column; gap: 32px; max-width: 800px; margin: 0 auto; }
        .step-item {
            display: flex; gap: 24px; align-items: flex-start;
            background: var(--bg-card); border-radius: var(--radius-lg); padding: 28px 24px;
            border: 1px solid rgba(255,215,0,0.1); transition: all var(--transition-fast);
        }
        .step-item:hover { border-color: var(--accent-gold); }
        .step-num {
            min-width: 56px; height: 56px; border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary); font-weight: 900; font-size: 1.5rem;
            display: flex; align-items: center; justify-content: center; flex-shrink: 0;
        }
        .step-body h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; color: var(--text-white); }
        .step-body p { font-size: 0.95rem; color: var(--text-dim); line-height: 1.6; }

        /* Table / Data block */
        .data-table-wrap {
            overflow-x: auto; border-radius: var(--radius-lg);
            border: 1px solid rgba(255,215,0,0.2); background: var(--bg-card);
        }
        .data-table { width: 100%; border-collapse: collapse; }
        .data-table th {
            background: rgba(255,215,0,0.1); color: var(--accent-gold); font-weight: 700;
            padding: 14px 18px; text-align: left; font-size: 0.9rem;
        }
        .data-table td {
            padding: 14px 18px; color: var(--text-mint); font-size: 0.95rem;
            border-top: 1px solid rgba(255,215,0,0.08);
        }

        /* CTA Block */
        .cta-block {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
            border: 1px solid rgba(255,215,0,0.3); border-radius: var(--radius-xl);
            padding: 56px 40px; text-align: left; position: relative; overflow: hidden;
        }
        .cta-block h2 { font-size: 1.8rem; font-weight: 900; color: var(--accent-gold); margin-bottom: 12px; }
        .cta-block p { font-size: 1.05rem; color: var(--text-dim); margin-bottom: 24px; max-width: 600px; }
        .btn-cta-lg {
            display: inline-block; background: var(--accent-red); color: #fff; border: none;
            padding: 16px 40px; border-radius: 50px; font-weight: 800; font-size: 1rem;
            cursor: pointer; transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(211,47,47,0.5);
        }
        .btn-cta-lg:hover { background: #e53935; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(211,47,47,0.6); color: #fff; }

        /* FAQ */
        .faq-list { max-width: 800px; }
        .faq-item {
            background: var(--bg-card); border-radius: var(--radius-md);
            margin-bottom: 12px; overflow: hidden; border: 1px solid rgba(255,215,0,0.1);
        }
        .faq-question {
            padding: 20px 24px; cursor: pointer; font-weight: 700; color: var(--text-mint);
            display: flex; justify-content: space-between; align-items: center;
            transition: all var(--transition-fast); font-size: 1rem;
        }
        .faq-question:hover { color: var(--accent-gold); }
        .faq-answer { padding: 0 24px 20px; color: var(--text-dim); font-size: 0.95rem; line-height: 1.7; display: none; }
        .faq-item.open .faq-answer { display: block; }
        .faq-item.open .faq-question { color: var(--accent-gold); }
        .faq-icon { transition: transform var(--transition-fast); }
        .faq-item.open .faq-icon { transform: rotate(180deg); }

        /* FAB */
        .fab-left {
            position: fixed; left: 20px; bottom: 96px; z-index: 999;
            width: 56px; height: 56px; border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary); display: flex; align-items: center; justify-content: center;
            font-size: 1.6rem; cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth);
            animation: floatVertical 3s ease-in-out infinite;
        }
        .fab-left:hover { transform: scale(1.1); opacity: 1; }
        @keyframes floatVertical {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-tertiary); border-top: 1px solid rgba(255,215,0,0.2);
            padding: 48px 0 32px;
        }
        .footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-bottom: 32px; }
        .footer-col h4 { color: var(--accent-gold); font-weight: 700; margin-bottom: 16px; font-size: 1rem; }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a { color: var(--text-dim); font-size: 0.9rem; transition: color var(--transition-fast); }
        .footer-col ul li a:hover { color: var(--accent-gold); }
        .footer-bottom { border-top: 1px solid rgba(255,215,0,0.15); padding-top: 24px; }
        .footer-bottom p { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 6px; }

        /* Responsive */
        @media (max-width: 1024px) {
            .strategy-grid { grid-template-columns: repeat(2, 1fr); }
            .banner-content h1 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .strategy-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .banner-content h1 { font-size: 1.7rem; }
            .step-item { flex-direction: column; gap: 16px; }
            .section { padding: 56px 0; }
            .cta-block { padding: 36px 24px; text-align: center; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
            .hero-cta-group { flex-direction: column; }
            .badge-row { gap: 8px; }
            .banner-content h1 { font-size: 1.5rem; }
            .section-title { font-size: 1.5rem; }
        }

/* roulang page: category3 */
/* roulang page: category3 - Shared Design System */
        :root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-tertiary: #0B3C25;
            --bg-card: #1A4A30;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --accent-bronze: #C5A059;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-light: #F5F5F7;
            --text-dim: #A6ACAF;
            --border-gold: #FFD700;
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.3);
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        /* Navbar - Shared Header */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(10,46,28,0.92); backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,215,0,0.25);
            transition: all var(--transition-smooth);
        }
        .nav-wrapper {
            display: flex; align-items: center; justify-content: space-between;
            height: 72px; max-width: 1280px; margin: 0 auto; padding: 0 24px;
        }
        .logo {
            font-family: var(--font-heading); font-weight: 800; font-size: 1.25rem;
            color: var(--accent-gold); letter-spacing: 0.5px;
            display: flex; align-items: center; gap: 8px;
            white-space: nowrap;
        }
        .logo i { font-size: 1.5rem; }
        .nav-links { display: flex; align-items: center; gap: 28px; }
        .nav-links a {
            color: var(--text-mint); font-weight: 600; font-size: 0.95rem;
            position: relative; padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .nav-links a:hover, .nav-links a.active { color: var(--accent-gold); }
        .nav-links a::after {
            content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
            background: var(--accent-gold); transition: width var(--transition-smooth);
        }
        .nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .btn-login {
            background: transparent; border: 1px solid var(--accent-gold); color: var(--accent-gold);
            padding: 10px 22px; border-radius: 50px; font-weight: 700; font-size: 0.9rem;
            cursor: pointer; transition: all var(--transition-fast);
        }
        .btn-login:hover { background: rgba(255,215,0,0.1); }
        .btn-signup {
            background: var(--accent-gold); color: var(--bg-primary); border: none;
            padding: 11px 26px; border-radius: 50px; font-weight: 700; font-size: 0.9rem;
            cursor: pointer; transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(255,215,0,0.35);
        }
        .btn-signup:hover { background: #ffe44d; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,215,0,0.5); }
        .mobile-toggle { display: none; background: none; border: none; color: var(--text-mint); font-size: 1.8rem; cursor: pointer; }

        /* Section Base */
        .section { padding: 80px 0; }
        .section-dark { background: var(--bg-secondary); }
        .section-card-bg { background: var(--bg-tertiary); }
        .section-title {
            font-size: 2.2rem; font-weight: 800; color: var(--accent-gold);
            margin-bottom: 16px; letter-spacing: -0.3px; line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.1rem; color: var(--text-mint); margin-bottom: 40px; max-width: 680px;
        }

        /* Hero - Immersive Poster Style */
        .hero-page {
            position: relative; min-height: 520px; display: flex; align-items: center; justify-content: center;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            margin-top: 72px;
        }
        .hero-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(180deg, rgba(10,46,28,0.75) 0%, rgba(10,46,28,0.95) 100%);
        }
        .hero-page .hero-content {
            position: relative; z-index: 2; text-align: left; max-width: 720px; width: 100%;
            padding: 80px 24px;
        }
        .hero-page h1 {
            font-size: 2.6rem; font-weight: 900; color: var(--accent-gold);
            text-shadow: 0 4px 20px rgba(0,0,0,0.5); margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .hero-page .hero-desc {
            font-size: 1.15rem; color: var(--text-mint); line-height: 1.8; margin-bottom: 28px;
        }
        .hot-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 800;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-page .cta-group {
            display: flex; gap: 14px; flex-wrap: wrap;
        }
        .btn-primary-gold {
            background: var(--accent-gold); color: var(--bg-primary); border: none;
            padding: 14px 32px; border-radius: 50px; font-weight: 800; font-size: 1rem;
            cursor: pointer; transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(255,215,0,0.4);
        }
        .btn-primary-gold:hover { background: #ffe44d; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(255,215,0,0.6); }
        .btn-outline-mint {
            background: transparent; border: 2px solid var(--text-mint); color: var(--text-mint);
            padding: 13px 30px; border-radius: 50px; font-weight: 700; font-size: 1rem;
            transition: all var(--transition-fast);
        }
        .btn-outline-mint:hover { background: rgba(209,242,235,0.1); border-color: #fff; color: #fff; }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid rgba(255,215,0,0.15);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            transition: all var(--transition-smooth);
        }
        .feature-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .feature-card .icon-wrap {
            width: 56px; height: 56px; background: rgba(255,215,0,0.1);
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            margin-bottom: 20px; color: var(--accent-gold); font-size: 1.5rem;
        }
        .feature-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--text-white); margin-bottom: 10px; }
        .feature-card p { color: var(--text-mint); font-size: 0.95rem; line-height: 1.7; }

        /* Steps / Process */
        .steps-list {
            display: flex; flex-direction: column; gap: 24px;
        }
        .step-item {
            display: flex; gap: 24px; align-items: flex-start;
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 28px; border: 1px solid rgba(255,215,0,0.1);
        }
        .step-num {
            width: 48px; height: 48px; background: var(--accent-gold); color: var(--bg-primary);
            border-radius: 50%; font-weight: 900; font-size: 1.4rem;
            display: flex; align-items: center; justify-content: center;
            flex-shrink: 0;
        }
        .step-body h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-white); margin-bottom: 8px; }
        .step-body p { color: var(--text-mint); font-size: 0.95rem; line-height: 1.7; }

        /* Tips Cards */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .tip-card {
            background: var(--bg-secondary); border-left: 4px solid var(--accent-gold);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 24px;
        }
        .tip-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--accent-gold); margin-bottom: 8px; }
        .tip-card p { color: var(--text-mint); font-size: 0.9rem; line-height: 1.7; }

        /* FAQ */
        .faq-block {
            max-width: 800px; margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card); border: 1px solid rgba(255,215,0,0.1);
            border-radius: var(--radius-md); padding: 24px 28px; margin-bottom: 16px;
            transition: all var(--transition-fast);
        }
        .faq-item:hover { border-color: var(--accent-gold); }
        .faq-question { font-weight: 700; font-size: 1.05rem; color: var(--accent-gold); margin-bottom: 8px; }
        .faq-answer { color: var(--text-mint); line-height: 1.7; }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, #123E25 0%, #0A2E1C 100%);
            border: 1px solid rgba(255,215,0,0.3);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
        }
        .cta-banner h2 { font-size: 1.8rem; color: var(--accent-gold); font-weight: 800; margin-bottom: 12px; }
        .cta-banner p { color: var(--text-mint); font-size: 1.05rem; margin-bottom: 24px; }
        .btn-cta-gold {
            background: var(--accent-gold); color: var(--bg-primary); border: none;
            padding: 14px 36px; border-radius: 50px; font-weight: 800; font-size: 1.05rem;
            cursor: pointer; transition: all var(--transition-fast);
            box-shadow: 0 4px 20px rgba(255,215,0,0.5);
        }
        .btn-cta-gold:hover { background: #fff; transform: translateY(-2px); box-shadow: 0 6px 28px rgba(255,215,0,0.6); }

        /* Footer */
        .site-footer {
            background: var(--bg-tertiary); border-top: 1px solid rgba(255,215,0,0.2);
            padding: 48px 0 24px; margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 { color: var(--accent-gold); font-weight: 700; margin-bottom: 14px; font-size: 1.05rem; }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a { color: var(--text-dim); font-size: 0.9rem; transition: color var(--transition-fast); }
        .footer-col ul li a:hover { color: var(--text-mint); }
        .footer-bottom {
            border-top: 1px solid rgba(255,215,0,0.15); padding-top: 20px;
            text-align: center; color: var(--text-dim); font-size: 0.85rem;
        }
        .footer-bottom p { margin-bottom: 6px; }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .hero-page h1 { font-size: 2rem; }
            .section-title { font-size: 1.6rem; }
            .step-item { flex-direction: column; }
            .hero-page .hero-content { text-align: left; }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-tertiary: #0B3C25;
            --bg-card: #1A4A30;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --accent-bronze: #C5A059;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-light: #F5F5F7;
            --text-dim: #A6ACAF;
            --border-gold: #FFD700;
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.3);
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        /* Navbar */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(10,46,28,0.92); backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,215,0,0.25);
            transition: all var(--transition-smooth);
        }
        .nav-wrapper {
            display: flex; align-items: center; justify-content: space-between;
            height: 72px; max-width: 1280px; margin: 0 auto; padding: 0 24px;
        }
        .logo {
            font-family: var(--font-heading); font-weight: 800; font-size: 1.25rem;
            color: var(--accent-gold); letter-spacing: 0.5px;
            display: flex; align-items: center; gap: 8px;
            white-space: nowrap;
        }
        .logo i { font-size: 1.5rem; }
        .nav-links { display: flex; align-items: center; gap: 28px; }
        .nav-links a {
            color: var(--text-mint); font-weight: 600; font-size: 0.95rem;
            position: relative; padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .nav-links a:hover, .nav-links a.active { color: var(--accent-gold); }
        .nav-links a::after {
            content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
            background: var(--accent-gold); transition: width var(--transition-smooth);
        }
        .nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .btn-login {
            background: transparent; border: 1px solid var(--accent-gold); color: var(--accent-gold);
            padding: 10px 22px; border-radius: 50px; font-weight: 700; font-size: 0.9rem;
            cursor: pointer; transition: all var(--transition-fast);
        }
        .btn-login:hover { background: rgba(255,215,0,0.1); }
        .btn-signup {
            background: var(--accent-gold); color: var(--bg-primary); border: none;
            padding: 11px 26px; border-radius: 50px; font-weight: 700; font-size: 0.9rem;
            cursor: pointer; transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(255,215,0,0.35);
        }
        .btn-signup:hover { background: #ffe44d; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,215,0,0.5); }
        .mobile-toggle { display: none; background: none; border: none; color: var(--text-mint); font-size: 1.8rem; cursor: pointer; }
        /* Banner Section */
        .page-banner {
            position: relative; min-height: 420px; display: flex; align-items: center; justify-content: center;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            margin-top: 72px;
        }
        .banner-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(180deg, rgba(10,46,28,0.75) 0%, rgba(10,46,28,0.94) 100%);
        }
        .banner-content { position: relative; z-index: 2; text-align: left; max-width: 800px; padding: 60px 24px; text-align: center; }
        .banner-content h1 {
            font-size: 2.6rem; font-weight: 900; color: var(--accent-gold);
            text-shadow: 0 4px 20px rgba(0,0,0,0.5); margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .banner-content .banner-desc {
            font-size: 1.15rem; color: var(--text-mint); line-height: 1.75; margin-bottom: 24px;
            max-width: 700px; margin-left: auto; margin-right: auto;
        }
        .badge-group { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
        .badge-tag {
            background: rgba(255,215,0,0.15); border: 1px solid var(--accent-gold); color: var(--accent-gold);
            padding: 8px 18px; border-radius: 50px; font-weight: 700; font-size: 0.85rem;
            display: flex; align-items: center; gap: 6px;
        }
        .badge-tag i { font-size: 0.85rem; }
        /* Sections General */
        .section { padding: 70px 0; }
        .section-title {
            font-size: 2rem; font-weight: 800; color: var(--accent-gold); margin-bottom: 16px;
            font-family: var(--font-heading);
        }
        .section-desc {
            font-size: 1.05rem; color: var(--text-mint); line-height: 1.7; margin-bottom: 40px;
        }
        /* Real World Stories */
        .story-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 28px; }
        .story-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            box-shadow: var(--shadow-card); overflow: hidden;
            border: 1px solid rgba(255,215,0,0.1);
            transition: all var(--transition-smooth);
        }
        .story-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0,0,0,0.5);
        }
        .story-img { height: 200px; position: relative; }
        .story-img img { width: 100%; height: 100%; object-fit: cover; }
        .story-badge {
            position: absolute; top: 12px; left: 12px;
            background: var(--accent-red); color: #fff; padding: 5px 14px;
            border-radius: 50px; font-weight: 700; font-size: 0.8rem;
            letter-spacing: 0.5px; box-shadow: 0 4px 12px rgba(211,47,47,0.4);
        }
        .story-info { padding: 20px; }
        .story-info h3 {
            font-size: 1.2rem; font-weight: 700; color: var(--text-white); margin-bottom: 8px;
        }
        .story-info p {
            color: var(--text-dim); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px;
        }
        .story-meta {
            display: flex; justify-content: space-between; align-items: center;
            color: var(--text-mint); font-size: 0.8rem;
        }
        .story-meta span { display: flex; align-items: center; gap: 4px; }
        .story-meta i { color: var(--accent-gold); }
        /* Testimonial Section */
        .testimonial-section { background: var(--bg-secondary); }
        .testimonial-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }
        .testimonial-card {
            background: var(--bg-card); border-radius: var(--radius-md); padding: 28px;
            border: 1px solid rgba(255,215,0,0.15); position: relative;
        }
        .testimonial-card::before {
            content: '\f10e'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
            position: absolute; top: 20px; right: 24px;
            font-size: 2rem; color: rgba(255,215,0,0.2);
        }
        .testimonial-card p {
            color: var(--text-mint); font-size: 0.95rem; line-height: 1.7; margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial-author { display: flex; align-items: center; gap: 12px; }
        .author-avatar {
            width: 44px; height: 44px; border-radius: 50%; background: var(--accent-gold);
            display: flex; align-items: center; justify-content: center;
            font-weight: 800; color: var(--bg-primary); font-size: 1.1rem;
        }
        .author-info h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-white); margin: 0; }
        .author-info span { font-size: 0.8rem; color: var(--accent-bronze); }
        /* Key Learnings */
        .lesson-list { list-style: none; padding: 0; }
        .lesson-item {
            background: var(--bg-card); border-radius: var(--radius-md); padding: 20px 24px;
            margin-bottom: 16px; border-left: 4px solid var(--accent-gold);
            display: flex; align-items: flex-start; gap: 16px;
            transition: all var(--transition-fast);
        }
        .lesson-item:hover { background: #1e5a3a; border-left-color: var(--accent-red); }
        .lesson-icon {
            font-size: 1.8rem; color: var(--accent-gold); min-width: 40px; text-align: center; padding-top: 4px;
        }
        .lesson-content h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-white); margin-bottom: 6px; }
        .lesson-content p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.6; margin: 0; }
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            border-top: 2px solid rgba(255,215,0,0.25);
        }
        .cta-box {
            background: var(--bg-card); border-radius: var(--radius-xl); padding: 48px 36px;
            text-align: center; max-width: 800px; margin: 0 auto;
            border: 1px solid rgba(255,215,0,0.3);
            box-shadow: var(--shadow-gold);
        }
        .cta-box h2 {
            font-size: 2rem; font-weight: 800; color: var(--accent-gold); margin-bottom: 12px;
        }
        .cta-box p {
            color: var(--text-mint); font-size: 1rem; line-height: 1.7; margin-bottom: 28px;
        }
        .cta-btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .btn-cta-primary {
            background: var(--accent-red); color: #fff; border: none;
            padding: 14px 36px; border-radius: 50px; font-weight: 800; font-size: 1rem;
            cursor: pointer; transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(211,47,47,0.5);
        }
        .btn-cta-primary:hover { background: #e53935; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(211,47,47,0.6); }
        .btn-cta-outline {
            background: transparent; border: 2px solid var(--text-mint); color: var(--text-mint);
            padding: 13px 34px; border-radius: 50px; font-weight: 700; font-size: 1rem;
            cursor: pointer; transition: all var(--transition-fast);
        }
        .btn-cta-outline:hover { border-color: var(--accent-gold); color: var(--accent-gold); }
        /* Footer */
        .site-footer {
            background: var(--bg-secondary); border-top: 2px solid rgba(255,215,0,0.2);
            padding: 48px 0 20px; color: var(--text-dim);
        }
        .footer-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-bottom: 32px;
        }
        .footer-col h4 { color: var(--accent-gold); font-weight: 700; font-size: 1.05rem; margin-bottom: 12px; }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a { color: var(--text-dim); font-size: 0.9rem; transition: color var(--transition-fast); }
        .footer-col ul li a:hover { color: var(--accent-gold); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px;
            text-align: center; font-size: 0.85rem; color: var(--text-dim);
        }
        .footer-bottom p { margin: 4px 0; }
        /* Responsive */
        @media screen and (max-width: 1024px) {
            .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0;
                background: rgba(10,46,28,0.96); flex-direction: column; padding: 20px;
                border-bottom: 1px solid rgba(255,215,0,0.25);
            }
            .nav-links.active-mobile { display: flex; }
            .mobile-toggle { display: block; }
            .banner-content h1 { font-size: 2rem; }
            .story-grid, .testimonial-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; text-align: center; }
        }
        @media screen and (max-width: 768px) {
            .banner-content h1 { font-size: 1.7rem; }
            .section-title { font-size: 1.5rem; }
            .logo { font-size: 1rem; }
        }
        @media screen and (max-width: 520px) {
            .nav-wrapper { padding: 0 12px; }
            .btn-login, .btn-signup { padding: 8px 16px; font-size: 0.8rem; }
            .banner-content h1 { font-size: 1.4rem; }
            .hero-cta-group, .cta-btn-group { flex-direction: column; align-items: center; }
        }