/* roulang page: index */
:root {
            --bg: #030712;
            --bg-soft: #081229;
            --panel: rgba(11, 18, 34, 0.86);
            --panel-strong: #0b1220;
            --primary: #2563EB;
            --primary-light: #38BDF8;
            --primary-glow: rgba(37, 99, 235, 0.45);
            --text: #F8FAFC;
            --text-soft: #D1D5DB;
            --muted: #94A3B8;
            --border: rgba(37, 99, 235, 0.28);
            --border-strong: rgba(56, 189, 248, 0.55);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-lg: 0 18px 45px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);
            --font: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            background: var(--bg);
            color: var(--text-soft);
            font-family: var(--font);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }
        button, input { font: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
        .section { padding: 4.5rem 0; position: relative; }
        .section-head { margin-bottom: 2.5rem; }
        .section-head h2 {
            font-size: clamp(1.7rem, 4vw, 2.5rem);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .section-head p {
            margin-top: 0.75rem;
            color: var(--muted);
            font-size: 1rem;
            max-width: 680px;
            text-align: left;
            line-height: 1.65;
        }
        .section-head.between { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
        .section-head.between h2 { margin-bottom: 0; }
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-light);
            font-weight: 700;
            font-size: 0.95rem;
            transition: color .2s;
            white-space: nowrap;
        }
        .section-link:hover { color: #7dd3fc; }
        .text-gradient {
            background: linear-gradient(135deg, #2563EB 0%, #38BDF8 60%, #60A5FA 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            font-weight: 800;
            padding: 0.85rem 1.5rem;
            border-radius: 999px;
            border: 1px solid rgba(56, 189, 248, 0.6);
            box-shadow: var(--shadow-glow);
            transition: all .25s ease;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.55);
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(3, 7, 18, 0.72);
            color: #E0F2FE;
            font-weight: 800;
            padding: 0.85rem 1.5rem;
            border-radius: 999px;
            border: 1px solid rgba(37, 99, 235, 0.5);
            backdrop-filter: blur(8px);
            transition: all .25s ease;
        }
        .btn-secondary:hover {
            border-color: #38BDF8;
            color: #fff;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.35);
        }
        .glow-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all .25s ease;
        }
        .glow-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.35rem 0.85rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            background: rgba(37, 99, 235, 0.15);
            color: #60A5FA;
            border: 1px solid rgba(37, 99, 235, 0.35);
        }
        /* Header */
        .site-header {
            background: rgba(3, 7, 18, 0.82);
            border-bottom: 1px solid rgba(37, 99, 235, 0.25);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 100;
        }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 1rem; }
        .brand { display: flex; align-items: center; gap: 10px; font-weight: 900; color: var(--text); font-size: 1.35rem; letter-spacing: -0.02em; }
        .brand-mark {
            width: 40px; height: 40px;
            display: grid; place-items: center;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border-radius: 12px;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.55);
        }
        .desktop-nav { display: flex; align-items: center; gap: 1.8rem; }
        .desktop-nav a {
            color: var(--muted);
            font-weight: 700;
            font-size: 0.95rem;
            transition: color .2s;
            white-space: nowrap;
        }
        .desktop-nav a:hover, .desktop-nav a.active { color: #38BDF8; }
        .header-actions { display: flex; align-items: center; gap: 10px; }
        .login-btn {
            padding: 0.5rem 1rem;
            border-radius: 999px;
            color: #93C5FD;
            font-weight: 700;
            font-size: 0.9rem;
            border: 1px solid rgba(37, 99, 235, 0.45);
            transition: all .2s;
            white-space: nowrap;
        }
        .login-btn:hover { color: #fff; border-color: #38BDF8; background: rgba(37,99,235,0.12); }
        .signup-btn {
            padding: 0.55rem 1.15rem;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            font-weight: 800;
            font-size: 0.9rem;
            box-shadow: 0 0 14px rgba(37, 99, 235, 0.5);
            transition: all .25s;
            white-space: nowrap;
        }
        .signup-btn:hover { transform: translateY(-2px); box-shadow: 0 0 20px rgba(56, 189, 248, 0.6); }
        .menu-toggle {
            display: none;
            background: rgba(3,7,18,0.7);
            border: 1px solid rgba(37,99,235,0.45);
            color: #fff;
            width: 42px; height: 42px;
            border-radius: 12px;
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 0.4rem;
            padding: 1rem;
            background: rgba(3, 7, 18, 0.96);
            border-top: 1px solid rgba(37, 99, 235, 0.25);
        }
        .mobile-menu a {
            padding: 0.7rem 0.9rem;
            border-radius: 10px;
            color: #D1D5DB;
            font-weight: 700;
        }
        .mobile-menu a:hover { background: rgba(37,99,235,0.15); color: #38BDF8; }

        /* Hero */
        .hero {
            min-height: 90vh;
            display: flex;
            align-items: center;
            padding-top: 100px;
            padding-bottom: 80px;
            position: relative;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/ff5e8a3cb049267f.jpg');
            background-position: center;
            background-size: cover;
            z-index: -2;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 15% 30%, rgba(37,99,235,0.25), transparent 35%),
                        linear-gradient(90deg, rgba(3,7,18,0.90) 0%, rgba(3,7,18,0.72) 55%, rgba(3,7,18,0.45) 100%);
            z-index: -1;
        }
        .hero-content { max-width: 780px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 1.25rem;
            padding: 0.45rem 1rem;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.14);
            color: #7DD3FC;
            font-weight: 800;
            font-size: 0.85rem;
            border: 1px solid rgba(56, 189, 248, 0.4);
            backdrop-filter: blur(10px);
        }
        .hero h1 {
            font-size: clamp(2rem, 5.5vw, 3.6rem);
            font-weight: 900;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.18;
            margin-bottom: 1.25rem;
        }
        .hero p {
            font-size: 1.05rem;
            color: #CDD5E0;
            line-height: 1.65;
            margin-bottom: 2rem;
            max-width: 680px;
        }
        .hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 2.5rem; }
        .hero-stats {
            display: flex;
            gap: 2.2rem;
            flex-wrap: wrap;
        }
        .hero-stats div { display: flex; flex-direction: column; }
        .hero-stats strong {
            font-size: 1.7rem;
            font-weight: 900;
            color: #38BDF8;
            line-height: 1.2;
        }
        .hero-stats span { color: var(--muted); font-size: 0.85rem; }

        /* Stats */
        .stats-board { background: linear-gradient(180deg, #030712 0%, #081229 100%); border-top: 1px solid rgba(37,99,235,0.2); border-bottom: 1px solid rgba(37,99,235,0.2); }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-top: 2rem; }
        .stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem; backdrop-filter: blur(12px); transition: all .25s; }
        .stat-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-glow); }
        .stat-icon { font-size: 1.6rem; color: #38BDF8; margin-bottom: 0.8rem; }
        .stat-card strong { display: block; font-size: 2rem; font-weight: 900; color: var(--text); }
        .stat-card span { color: var(--muted); font-size: 0.9rem; }

        /* Game track */
        .game-track-list { display: flex; gap: 1rem; overflow-x: auto; padding-bottom: 1rem; scrollbar-width: thin; scrollbar-color: #2563EB #081229; }
        .game-track-list::-webkit-scrollbar { height: 6px; }
        .game-track-list::-webkit-scrollbar-track { background: #081229; border-radius: 999px; }
        .game-track-list::-webkit-scrollbar-thumb { background: #2563EB; border-radius: 999px; }
        .game-card {
            min-width: 220px;
            max-width: 220px;
            background: rgba(11,18,34,0.88);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .25s;
            flex-shrink: 0;
        }
        .game-card:hover { transform: translateY(-6px); border-color: var(--border-strong); box-shadow: 0 0 22px rgba(37,99,235,0.4); }
        .game-card img { width: 100%; height: 150px; object-fit: cover; }
        .game-card-content { padding: 1rem; }
        .game-card-content h3 { font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 0.3rem; }
        .game-card-content p { font-size: 0.8rem; color: var(--muted); }
        .corner-tag {
            display: inline-block;
            padding: 0.1rem 0.5rem;
            background: #DC2626;
            color: #fff;
            font-size: 0.65rem;
            font-weight: 900;
            border-radius: 0 0 0 8px;
            margin-bottom: 0.5rem;
        }

        /* Hot games / grid */
        .game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
        .hot-game-card {
            background: rgba(11,18,34,0.85);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .25s;
        }
        .hot-game-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); border-color: var(--border-strong); }
        .hot-game-card img { width: 100%; height: 180px; object-fit: cover; }
        .hot-game-card-body { padding: 1.2rem; }
        .hot-game-card-body h3 { font-size: 1.1rem; font-weight: 800; color: var(--text); margin-bottom: 0.4rem; }
        .hot-game-card-body p { font-size: 0.9rem; color: var(--muted); }
        .feature-lines { margin-top: 2rem; display: grid; gap: 0.8rem; }
        .feature-line { display: flex; gap: 10px; align-items: flex-start; background: rgba(37,99,235,0.08); border-left: 3px solid #2563EB; padding: 0.7rem 1rem; border-radius: 0 10px 10px 0; }
        .feature-line strong { color: #E0F2FE; font-weight: 800; }

        /* Category entry */
        .category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
        .category-entry-card {
            display: block;
            background: rgba(11,18,34,0.85);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.8rem;
            transition: all .25s;
            color: inherit;
        }
        .category-entry-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
        .category-entry-card .cat-icon {
            width: 52px; height: 52px;
            display: grid; place-items: center;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border-radius: 14px;
            font-size: 1.4rem;
            margin-bottom: 1rem;
            box-shadow: 0 0 16px rgba(37,99,235,0.45);
        }
        .category-entry-card h3 { font-size: 1.25rem; font-weight: 900; color: var(--text); margin-bottom: 0.4rem; }
        .category-entry-card p { color: var(--muted); font-size: 0.9rem; }

        /* Promo steps */
        .promo-steps { background: #081229; border-top: 1px solid rgba(37,99,235,0.22); border-bottom: 1px solid rgba(37,99,235,0.22); }
        .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
        .step-card { background: rgba(3,7,18,0.8); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; transition: all .25s; }
        .step-card:hover { border-color: var(--border-strong); }
        .step-card .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px; height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            font-weight: 900;
            font-size: 1rem;
            margin-bottom: 0.8rem;
        }
        .step-card h3 { font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 0.4rem; }
        .step-card p { color: var(--muted); font-size: 0.9rem; }

        /* Compare */
        .compare-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-top: 2rem; }
        .compare-box { padding: 1.8rem; border-radius: var(--radius); }
        .compare-box.win { background: rgba(37,99,235,0.08); border: 1px solid rgba(37,99,235,0.55); }
        .compare-box.other { background: rgba(148,163,184,0.045); border: 1px solid rgba(148,163,184,0.25); }
        .compare-box h3 { font-size: 1.3rem; font-weight: 900; margin-bottom: 1rem; color: var(--text); }
        .compare-list { list-style: none; display: grid; gap: 0.7rem; }
        .compare-list li { display: flex; gap: 8px; color: var(--text-soft); font-size: 0.95rem; }
        .compare-list i { color: #38BDF8; font-size: 0.9rem; margin-top: 4px; }
        .compare-box.other .compare-list i { color: #94A3B8; }

        /* Milestones */
        .milestone-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
        .milestone-item { background: rgba(11,18,34,0.85); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.3rem; }
        .milestone-item strong { display: block; font-size: 1.5rem; font-weight: 900; color: #38BDF8; }
        .milestone-item span { color: var(--muted); font-size: 0.9rem; }

        /* News */
        .news-layout { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
        .news-card {
            display: block;
            background: rgba(11,18,34,0.85);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.4rem;
            transition: all .25s;
        }
        .news-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
        .news-cat {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 800;
            color: #38BDF8;
            margin-bottom: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.02em;
        }
        .news-card h3 { font-size: 1.05rem; font-weight: 800; color: var(--text); margin-bottom: 0.5rem; }
        .news-card p { font-size: 0.9rem; color: var(--muted); margin-bottom: 0.8rem; }
        .news-card time { font-size: 0.75rem; color: #64748B; }

        /* Assurance */
        .assurance-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
        .assurance-item { background: rgba(11,18,34,0.85); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.3rem; transition: all .25s; }
        .assurance-item:hover { border-color: var(--border-strong); }
        .assurance-item i { font-size: 1.8rem; color: #38BDF8; margin-bottom: 0.7rem; }
        .assurance-item h3 { font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 0.3rem; }
        .assurance-item p { font-size: 0.85rem; color: var(--muted); }

        /* FAQ */
        .faq-list { display: grid; gap: 0.8rem; max-width: 800px; }
        .faq-item { background: rgba(11,18,34,0.85); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
        .faq-item summary { padding: 1.1rem 1.2rem; cursor: pointer; font-weight: 800; color: var(--text); list-style: none; display: flex; justify-content: space-between; align-items: center; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary:after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: #38BDF8; }
        .faq-item[open] summary:after { content: '\f077'; }
        .faq-item .faq-answer { padding: 0 1.2rem 1.2rem; color: var(--text-soft); font-size: 0.95rem; line-height: 1.65; }

        /* Final CTA */
        .final-cta { background: radial-gradient(circle at 50% 0%, rgba(37,99,235,0.22), transparent 55%), #081229; border-top: 1px solid rgba(37,99,235,0.25); }
        .final-cta-card {
            background: rgba(3,7,18,0.7);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 2.5rem;
            text-align: left;
            backdrop-filter: blur(14px);
        }
        .final-cta-card h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 900; color: var(--text); margin-bottom: 0.8rem; }
        .final-cta-card p { color: #CBD5E1; max-width: 700px; margin-bottom: 1.5rem; }
        .register-form { display: flex; gap: 10px; flex-wrap: wrap; max-width: 520px; margin-bottom: 0.8rem; }
        .register-form input {
            flex: 1;
            min-width: 220px;
            padding: 0.85rem 1.1rem;
            border-radius: 999px;
            background: rgba(3,7,18,0.85);
            border: 1px solid rgba(37,99,235,0.45);
            color: #F8FAFC;
            outline: none;
            transition: border .2s;
        }
        .register-form input:focus { border-color: #38BDF8; box-shadow: 0 0 12px rgba(37,99,235,0.25); }
        .form-note { font-size: 0.8rem; color: #64748B; }

        /* Footer */
        .site-footer {
            background: #030712;
            border-top: 1px solid rgba(37,99,235,0.25);
            padding: 3rem 0 1.5rem;
        }
        .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
        .footer-brand .brand { margin-bottom: 0.8rem; }
        .footer-brand p { color: var(--muted); font-size: 0.9rem; max-width: 320px; }
        .footer-col h4 { font-size: 1rem; font-weight: 900; color: var(--text); margin-bottom: 0.9rem; }
        .footer-col a { display: block; color: #94A3B8; font-size: 0.9rem; padding: 0.25rem 0; transition: color .2s; }
        .footer-col a:hover { color: #38BDF8; }
        .footer-bottom {
            border-top: 1px solid rgba(37,99,235,0.22);
            padding-top: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
            flex-wrap: wrap;
            color: #64748B;
            font-size: 0.8rem;
        }
        .payment-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; }
        .payment-badges span {
            background: rgba(37,99,235,0.08);
            border: 1px solid rgba(37,99,235,0.35);
            border-radius: 999px;
            padding: 0.25rem 0.7rem;
            font-size: 0.75rem;
            font-weight: 700;
            color: #93C5FD;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 90;
            width: 56px;
            height: 56px;
            display: grid;
            place-items: center;
            background: rgba(3,7,18,0.82);
            border: 2px solid #2563EB;
            border-radius: 50%;
            color: #38BDF8;
            font-size: 1.5rem;
            box-shadow: 0 0 20px rgba(37,99,235,0.5);
            backdrop-filter: blur(10px);
            transition: all .25s ease;
            animation: fabPulse 2.8s infinite;
        }
        .fab:hover { transform: scale(1.1); color: #fff; border-color: #38BDF8; box-shadow: 0 0 26px rgba(56,189,248,0.7); }
        .fab .fab-notify {
            position: absolute;
            top: -4px; right: -4px;
            width: 16px; height: 16px;
            background: #DC2626;
            border: 2px solid #fff;
            border-radius: 50%;
        }
        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 20px rgba(37, 99, 235, 0.5); }
            50% { box-shadow: 0 0 28px rgba(56, 189, 248, 0.7); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .game-grid { grid-template-columns: repeat(2, 1fr); }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .milestone-list { grid-template-columns: repeat(2, 1fr); }
            .news-layout { grid-template-columns: repeat(2, 1fr); }
            .assurance-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .section { padding: 3.5rem 0; }
            .desktop-nav { display: none; }
            .menu-toggle { display: flex; }
            .mobile-menu.open { display: flex; }
            .header-inner { height: 64px; }
            .game-card { min-width: 180px; max-width: 180px; }
            .game-grid, .category-grid, .steps-grid, .news-layout { grid-template-columns: 1fr; }
            .compare-wrap { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .header-actions .login-btn { padding: 0.45rem 0.65rem; font-size: 0.78rem; }
            .header-actions .signup-btn { padding: 0.45rem 0.65rem; font-size: 0.78rem; }
            .hero h1 { font-size: 1.7rem; }
            .hero p { font-size: 0.95rem; }
            .hero-stats { gap: 1rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; align-items: flex-start; }
            .fab { left: 0.75rem; bottom: 4.5rem; }
        }

/* roulang page: category1 */
:root {
            --bg: #030712;
            --bg-soft: #081229;
            --panel: rgba(11, 18, 34, 0.86);
            --panel-strong: #0b1220;
            --primary: #2563EB;
            --primary-light: #38BDF8;
            --primary-glow: rgba(37, 99, 235, 0.45);
            --text: #F8FAFC;
            --text-soft: #D1D5DB;
            --muted: #94A3B8;
            --border: rgba(37, 99, 235, 0.28);
            --border-strong: rgba(56, 189, 248, 0.55);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-lg: 0 18px 45px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 32px rgba(56, 189, 248, 0.5);
            --font: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        html { scroll-behavior: smooth; }
        body {
            background: var(--bg);
            color: var(--text-soft);
            font-family: var(--font);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        * { box-sizing: border-box; }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }
        button, input, select, textarea { font: inherit; }
        button:focus-visible, a:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 3px; }

        .container { max-width: 1200px; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
        .section { padding: 4.5rem 0; position: relative; }

        /* Header */
        .site-header {
            background: rgba(3, 7, 18, 0.82);
            border-bottom: 1px solid rgba(37, 99, 235, 0.25);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 100;
        }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 1rem; }
        .brand { display: flex; align-items: center; gap: 10px; font-weight: 900; color: var(--text); font-size: 1.35rem; letter-spacing: -0.02em; }
        .brand-mark {
            width: 40px; height: 40px;
            display: grid; place-items: center;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border-radius: 12px;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.55);
        }
        .desktop-nav { display: flex; align-items: center; gap: 1.8rem; }
        .desktop-nav a {
            color: var(--muted);
            font-weight: 700;
            font-size: 0.95rem;
            transition: color .2s;
            white-space: nowrap;
        }
        .desktop-nav a:hover, .desktop-nav a.active { color: #38BDF8; }
        .header-actions { display: flex; align-items: center; gap: 10px; }
        .login-btn {
            padding: 0.5rem 1rem;
            border-radius: 999px;
            color: #93C5FD;
            font-weight: 700;
            font-size: 0.9rem;
            border: 1px solid rgba(37, 99, 235, 0.45);
            transition: all .2s;
            white-space: nowrap;
        }
        .login-btn:hover { border-color: #38BDF8; color: #fff; background: rgba(37, 99, 235, 0.15); }
        .signup-btn {
            padding: 0.55rem 1.3rem;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            font-weight: 800;
            font-size: 0.9rem;
            border: none;
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.45);
            transition: all .25s;
            white-space: nowrap;
        }
        .signup-btn:hover { transform: translateY(-2px); box-shadow: 0 0 28px rgba(56, 189, 248, 0.55); }
        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(37, 99, 235, 0.4);
            color: #93C5FD;
            width: 42px; height: 42px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 1.1rem;
            transition: all .2s;
        }
        .menu-toggle:hover { border-color: #38BDF8; color: #fff; }
        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 0.25rem;
            padding: 0.5rem 1rem 1.25rem;
            border-top: 1px solid rgba(37, 99, 235, 0.2);
        }
        .mobile-menu a {
            padding: 0.6rem 0.75rem;
            border-radius: 8px;
            color: var(--muted);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all .2s;
        }
        .mobile-menu a:hover, .mobile-menu a.active { color: #38BDF8; background: rgba(37, 99, 235, 0.1); }
        .mobile-menu.open { display: flex; }

        /* Hero */
        .category-hero {
            min-height: 680px;
            display: flex;
            align-items: center;
            padding: 7.5rem 0 4.5rem;
            background: linear-gradient(180deg, #030712 0%, #081229 55%, #0b1220 100%);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 75% 20%, rgba(37, 99, 235, 0.2) 0%, transparent 55%);
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, transparent 40%, rgba(56, 189, 248, 0.08) 55%, transparent 70%);
            pointer-events: none;
        }
        .category-hero .container { position: relative; z-index: 2; }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
        }
        .hero-content { text-align: left; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.4rem 1.1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 800;
            background: rgba(37, 99, 235, 0.12);
            color: #60A5FA;
            border: 1px solid rgba(37, 99, 235, 0.4);
            margin-bottom: 1.25rem;
        }
        .hero-badge i { color: #38BDF8; }
        .hero-content h1 {
            font-size: clamp(2.2rem, 5.5vw, 3.8rem);
            font-weight: 800;
            color: var(--text);
            line-height: 1.15;
            letter-spacing: -0.025em;
            margin-bottom: 1.25rem;
            max-width: 620px;
        }
        .hero-content p {
            color: var(--muted);
            font-size: 1.08rem;
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 1.75rem;
            text-align: left;
        }
        .hero-actions { display: flex; align-items: center; gap: 0.85rem; flex-wrap: wrap; }
        .hero-actions .btn-primary { font-size: 1rem; padding: 0.9rem 1.8rem; }
        .hero-actions .btn-secondary { font-size: 1rem; padding: 0.9rem 1.6rem; }
        .hero-stats {
            display: flex;
            gap: 1.5rem;
            margin-top: 2.25rem;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat strong {
            font-size: 1.45rem;
            font-weight: 800;
            color: #38BDF8;
            letter-spacing: -0.02em;
        }
        .hero-stat span { font-size: 0.82rem; color: var(--muted); }

        .hero-visual {
            position: relative;
        }
        .hero-visual .visual-frame {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(37, 99, 235, 0.3);
            box-shadow: 0 24px 68px rgba(0, 0, 0, 0.55), 0 0 42px rgba(37, 99, 235, 0.22);
            background: rgba(3, 7, 18, 0.7);
        }
        .hero-visual .visual-frame img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            opacity: 0.88;
        }
        .hero-visual .visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(3, 7, 18, 0.85) 100%);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: flex-end;
            padding: 1.5rem;
        }
        .visual-overlay .overlay-text {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #E0F2FE;
            font-weight: 700;
            font-size: 0.95rem;
        }
        .visual-overlay .overlay-text i { color: #38BDF8; }
        .floating-chip {
            position: absolute;
            background: rgba(11, 18, 34, 0.92);
            border: 1px solid rgba(56, 189, 248, 0.4);
            border-radius: 14px;
            padding: 0.85rem 1.2rem;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(8px);
        }
        .floating-chip .chip-icon {
            width: 38px; height: 38px;
            border-radius: 10px;
            display: grid; place-items: center;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            font-size: 1rem;
        }
        .floating-chip .chip-text strong {
            display: block;
            color: var(--text);
            font-size: 0.9rem;
            font-weight: 800;
        }
        .floating-chip .chip-text span {
            display: block;
            color: var(--muted);
            font-size: 0.75rem;
        }
        .chip-1 { top: 1.2rem; left: -1rem; }
        .chip-2 { bottom: 1.5rem; right: -0.8rem; }

        /* Sections general */
        .section-alt { background: var(--bg-soft); }
        .section-head h2 {
            font-size: clamp(1.7rem, 4vw, 2.5rem);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .section-head p {
            margin-top: 0.75rem;
            color: var(--muted);
            font-size: 1rem;
            max-width: 680px;
            text-align: left;
            line-height: 1.65;
        }
        .section-head.between { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-light);
            font-weight: 700;
            font-size: 0.95rem;
            transition: color .2s;
            white-space: nowrap;
        }
        .section-link:hover { color: #7dd3fc; }

        .text-gradient {
            background: linear-gradient(135deg, #2563EB 0%, #38BDF8 60%, #60A5FA 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            font-weight: 800;
            padding: 0.85rem 1.5rem;
            border-radius: 999px;
            border: 1px solid rgba(56, 189, 248, 0.6);
            box-shadow: var(--shadow-glow);
            transition: all .25s ease;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow-strong);
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
            color: #fff;
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(3, 7, 18, 0.72);
            color: #E0F2FE;
            font-weight: 800;
            padding: 0.85rem 1.5rem;
            border-radius: 999px;
            border: 1px solid rgba(37, 99, 235, 0.5);
            backdrop-filter: blur(8px);
            transition: all .25s ease;
            cursor: pointer;
        }
        .btn-secondary:hover {
            border-color: #38BDF8;
            color: #fff;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.35);
        }

        .glow-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all .25s ease;
        }
        .glow-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.35rem 0.85rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            background: rgba(37, 99, 235, 0.15);
            color: #60A5FA;
            border: 1px solid rgba(37, 99, 235, 0.35);
        }

        /* Stats board */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .stat-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.75rem 1.5rem;
            backdrop-filter: blur(10px);
            transition: all .25s;
        }
        .stat-card:hover { border-color: var(--border-strong); box-shadow: 0 0 18px rgba(37, 99, 235, 0.2); }
        .stat-card .stat-icon {
            width: 44px; height: 44px;
            border-radius: 12px;
            display: grid; place-items: center;
            background: rgba(37, 99, 235, 0.18);
            color: #38BDF8;
            font-size: 1.2rem;
            margin-bottom: 0.9rem;
        }
        .stat-card strong {
            display: block;
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-card span {
            display: block;
            color: var(--muted);
            font-size: 0.85rem;
            margin-top: 4px;
        }

        /* Service cards */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .service-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            backdrop-filter: blur(10px);
            transition: all .3s;
            position: relative;
        }
        .service-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
        .service-card .service-icon {
            width: 54px; height: 54px;
            border-radius: 14px;
            display: grid; place-items: center;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(56, 189, 248, 0.15));
            color: #38BDF8;
            font-size: 1.4rem;
            margin-bottom: 1.1rem;
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 0.6rem;
            letter-spacing: -0.01em;
        }
        .service-card p {
            color: var(--muted);
            font-size: 0.92rem;
            line-height: 1.7;
            text-align: left;
        }

        /* Scene cards */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        .scene-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.75rem 1.5rem;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            backdrop-filter: blur(10px);
            transition: all .25s;
        }
        .scene-card:hover { border-color: var(--border-strong); box-shadow: 0 0 18px rgba(37, 99, 235, 0.22); transform: translateX(4px); }
        .scene-card .scene-num {
            width: 36px; height: 36px;
            flex-shrink: 0;
            border-radius: 10px;
            display: grid; place-items: center;
            background: rgba(37, 99, 235, 0.18);
            color: #38BDF8;
            font-weight: 800;
            font-size: 0.95rem;
        }
        .scene-card .scene-body { text-align: left; }
        .scene-card h3 { font-size: 1.05rem; font-weight: 800; color: var(--text); margin-bottom: 0.35rem; }
        .scene-card p { color: var(--muted); font-size: 0.88rem; line-height: 1.65; }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .step-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.6rem 1.3rem;
            backdrop-filter: blur(10px);
            transition: all .25s;
            position: relative;
        }
        .step-card:hover { border-color: var(--border-strong); box-shadow: 0 0 18px rgba(37, 99, 235, 0.22); }
        .step-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: rgba(37, 99, 235, 0.4);
            line-height: 1;
            margin-bottom: 0.7rem;
            letter-spacing: -0.03em;
        }
        .step-card h3 { font-size: 1.05rem; font-weight: 800; color: var(--text); margin-bottom: 0.4rem; }
        .step-card p { color: var(--muted); font-size: 0.85rem; line-height: 1.6; }

        /* News list */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }
        .news-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            backdrop-filter: blur(10px);
            transition: all .25s;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-glow); transform: translateY(-3px); }
        .news-card .news-thumb {
            height: 170px;
            overflow: hidden;
            position: relative;
        }
        .news-card .news-thumb img {
            width: 100%; height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }
        .news-card:hover .news-thumb img { transform: scale(1.04); }
        .news-card .news-body { padding: 1.15rem 1.2rem 1.3rem; flex: 1; display: flex; flex-direction: column; }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.75rem;
            color: var(--muted);
            margin-bottom: 0.6rem;
        }
        .news-card .news-meta span { display: inline-flex; align-items: center; gap: 4px; }
        .news-card .news-meta i { color: #38BDF8; font-size: 0.7rem; }
        .news-card h3 {
            font-size: 0.98rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.45;
            margin-bottom: 0.5rem;
        }
        .news-card h3 a { transition: color .2s; }
        .news-card h3 a:hover { color: #38BDF8; }
        .news-card p {
            color: var(--muted);
            font-size: 0.84rem;
            line-height: 1.6;
            margin-bottom: 0.8rem;
            flex: 1;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 3rem 1.5rem;
            color: var(--muted);
            font-size: 0.95rem;
            background: var(--panel);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
        }

        /* Trust */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .trust-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.6rem 1.3rem;
            backdrop-filter: blur(10px);
            text-align: center;
            transition: all .25s;
        }
        .trust-card:hover { border-color: var(--border-strong); box-shadow: 0 0 18px rgba(37, 99, 235, 0.2); }
        .trust-card .trust-icon {
            width: 50px; height: 50px;
            border-radius: 50%;
            display: grid; place-items: center;
            background: rgba(37, 99, 235, 0.18);
            color: #38BDF8;
            font-size: 1.3rem;
            margin: 0 auto 0.85rem;
        }
        .trust-card h3 { font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 0.35rem; }
        .trust-card p { color: var(--muted); font-size: 0.82rem; line-height: 1.55; }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .faq-item {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all .25s;
        }
        .faq-item:hover { border-color: var(--border-strong); }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text);
            font-weight: 800;
            font-size: 0.98rem;
            padding: 1.1rem 1.3rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            text-align: left;
            transition: color .2s;
        }
        .faq-question:hover { color: #38BDF8; }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px; height: 28px;
            border-radius: 7px;
            display: grid; place-items: center;
            background: rgba(37, 99, 235, 0.15);
            color: #38BDF8;
            font-size: 0.75rem;
            transition: transform .3s;
        }
        .faq-item.open .faq-icon { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-item.open .faq-answer { max-height: 300px; }
        .faq-answer p {
            padding: 0 1.3rem 1.2rem;
            color: var(--muted);
            font-size: 0.88rem;
            line-height: 1.7;
            text-align: left;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0b1220 0%, #081229 50%, #0b1220 100%);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(37, 99, 235, 0.3);
            padding: 3.5rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 0%, rgba(56, 189, 248, 0.25) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section > * { position: relative; z-index: 1; }
        .cta-section h2 {
            font-size: clamp(1.6rem, 4vw, 2.3rem);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            margin-bottom: 0.9rem;
        }
        .cta-section p {
            color: var(--muted);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto 1.6rem;
            line-height: 1.65;
        }
        .cta-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

        /* Footer */
        .site-footer {
            background: rgba(3, 7, 18, 0.95);
            border-top: 1px solid rgba(37, 99, 235, 0.25);
            padding: 3.5rem 0 1.5rem;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            color: var(--text);
            font-size: 1.3rem;
            letter-spacing: -0.02em;
            margin-bottom: 0.9rem;
        }
        .footer-brand p {
            color: var(--muted);
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 320px;
            text-align: left;
        }
        .footer-col h4 {
            color: var(--text);
            font-size: 1rem;
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }
        .footer-col a {
            display: block;
            color: var(--muted);
            font-size: 0.88rem;
            padding: 0.3rem 0;
            transition: color .2s;
        }
        .footer-col a:hover { color: #38BDF8; }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .payment-badges span {
            padding: 0.4rem 0.85rem;
            border-radius: 8px;
            background: rgba(37, 99, 235, 0.1);
            border: 1px solid rgba(37, 99, 235, 0.3);
            color: #93C5FD;
            font-size: 0.78rem;
            font-weight: 700;
        }
        .footer-bottom {
            border-top: 1px solid rgba(37, 99, 235, 0.2);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--muted);
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: grid;
            place-items: center;
            background: rgba(7, 7, 18, 0.85);
            border: 2px solid rgba(56, 189, 248, 0.55);
            color: #38BDF8;
            font-size: 1.25rem;
            cursor: pointer;
            backdrop-filter: blur(10px);
            box-shadow: 0 0 22px rgba(6, 182, 212, 0.35);
            transition: all .25s;
            opacity: 0.8;
        }
        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.55);
            border-color: #F43F5E;
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
            .hero-content h1 { max-width: 100%; }
            .hero-visual { max-width: 560px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .trust-grid { grid-template-columns: repeat(2, 1fr); }
            .news-list { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .menu-toggle { display: grid; }
            .section { padding: 3.5rem 0; }
            .category-hero { min-height: auto; padding-top: 6.5rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 0.85rem; }
            .stat-card { padding: 1.2rem 1rem; }
            .stat-card strong { font-size: 1.35rem; }
            .service-grid { grid-template-columns: 1fr; }
            .scene-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr 1fr; gap: 0.85rem; }
            .trust-grid { grid-template-columns: 1fr 1fr; gap: 0.85rem; }
            .news-list { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section { padding: 2.5rem 1.5rem; }
            .floating-chip { display: none; }
        }
        @media (max-width: 520px) {
            .header-actions .login-btn { display: none; }
            .header-inner { height: 64px; }
            .brand { font-size: 1.15rem; }
            .brand-mark { width: 36px; height: 36px; font-size: 0.9rem; }
            .stats-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .trust-grid { grid-template-columns: 1fr; }
            .hero-content h1 { font-size: 1.9rem; }
            .hero-stats { gap: 1rem; }
            .hero-stat strong { font-size: 1.2rem; }
            .section { padding: 3rem 0; }
            .section-head h2 { font-size: 1.5rem; }
            .cta-actions { flex-direction: column; }
            .btn-primary, .btn-secondary { width: 100%; }
            .fab-floating { width: 50px; height: 50px; left: 0.75rem; bottom: 5rem; }
        }

/* roulang page: article */
:root {
            --bg: #030712;
            --bg-soft: #081229;
            --panel: rgba(11, 18, 34, 0.86);
            --panel-strong: #0b1220;
            --primary: #2563EB;
            --primary-light: #38BDF8;
            --primary-glow: rgba(37, 99, 235, 0.45);
            --text: #F8FAFC;
            --text-soft: #D1D5DB;
            --muted: #94A3B8;
            --border: rgba(37, 99, 235, 0.28);
            --border-strong: rgba(56, 189, 248, 0.55);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-lg: 0 18px 45px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);
            --font: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        html { scroll-behavior: smooth; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            background: var(--bg);
            color: var(--text-soft);
            font-family: var(--font);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }
        button, input, textarea, select { font: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
        .section { padding: 4rem 0; position: relative; }
        .section-head { margin-bottom: 2rem; }
        .section-head h2 {
            font-size: clamp(1.6rem, 4vw, 2.4rem);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .section-head p {
            margin-top: 0.6rem;
            color: var(--muted);
            font-size: 1rem;
            max-width: 680px;
            text-align: left;
            line-height: 1.65;
        }
        .section-head.between { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
        .section-head.between h2 { margin-bottom: 0; }
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-light);
            font-weight: 700;
            font-size: 0.95rem;
            transition: color .2s;
            white-space: nowrap;
        }
        .section-link:hover { color: #7dd3fc; }
        .text-gradient {
            background: linear-gradient(135deg, #2563EB 0%, #38BDF8 60%, #60A5FA 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            font-weight: 800;
            padding: 0.8rem 1.5rem;
            border-radius: 999px;
            border: 1px solid rgba(56, 189, 248, 0.6);
            box-shadow: var(--shadow-glow);
            transition: all .25s ease;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.55);
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(3, 7, 18, 0.72);
            color: #E0F2FE;
            font-weight: 800;
            padding: 0.8rem 1.5rem;
            border-radius: 999px;
            border: 1px solid rgba(37, 99, 235, 0.5);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: all .25s ease;
            cursor: pointer;
        }
        .btn-secondary:hover {
            border-color: #38BDF8;
            color: #fff;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.35);
        }
        .glow-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all .25s ease;
        }
        .glow-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            background: rgba(37, 99, 235, 0.15);
            color: #60A5FA;
            border: 1px solid rgba(37, 99, 235, 0.35);
            white-space: nowrap;
        }
        /* Header */
        .site-header {
            background: rgba(3, 7, 18, 0.85);
            border-bottom: 1px solid rgba(37, 99, 235, 0.25);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 100;
        }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 1rem; }
        .brand { display: flex; align-items: center; gap: 10px; font-weight: 900; color: var(--text); font-size: 1.3rem; letter-spacing: -0.02em; white-space: nowrap; }
        .brand-mark {
            width: 40px; height: 40px;
            display: grid; place-items: center;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border-radius: 12px;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.55);
            flex-shrink: 0;
        }
        .desktop-nav { display: flex; align-items: center; gap: 1.6rem; }
        .desktop-nav a {
            color: var(--muted);
            font-weight: 700;
            font-size: 0.92rem;
            transition: color .2s;
            white-space: nowrap;
            position: relative;
        }
        .desktop-nav a:hover, .desktop-nav a.active { color: #38BDF8; }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: -6px; left: 0;
            width: 0; height: 2px;
            background: linear-gradient(90deg, #2563EB, #38BDF8);
            border-radius: 2px;
            transition: width .3s;
        }
        .desktop-nav a:hover::after, .desktop-nav a.active::after { width: 100%; }
        .header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
        .login-btn {
            padding: 0.45rem 1rem;
            border-radius: 999px;
            color: #93C5FD;
            font-weight: 700;
            font-size: 0.85rem;
            border: 1px solid rgba(37, 99, 235, 0.45);
            transition: all .2s;
            white-space: nowrap;
            background: transparent;
        }
        .login-btn:hover { border-color: #38BDF8; color: #fff; box-shadow: 0 0 12px rgba(37,99,235,0.25); }
        .signup-btn {
            padding: 0.45rem 1.1rem;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            border: 1px solid rgba(56, 189, 248, 0.6);
            box-shadow: 0 0 14px rgba(37, 99, 235, 0.4);
            transition: all .25s;
            white-space: nowrap;
        }
        .signup-btn:hover { transform: translateY(-1px); box-shadow: 0 0 22px rgba(56,189,248,0.5); }
        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(37, 99, 235, 0.4);
            border-radius: 10px;
            color: #93C5FD;
            padding: 0.5rem 0.65rem;
            cursor: pointer;
            transition: all .2s;
        }
        .menu-toggle:hover { border-color: #38BDF8; color: #fff; }
        .mobile-menu {
            display: none;
            background: rgba(3, 7, 18, 0.96);
            border-bottom: 1px solid rgba(37, 99, 235, 0.3);
            padding: 1rem;
            flex-direction: column;
            gap: 0.8rem;
        }
        .mobile-menu.open { display: flex; }
        .mobile-menu a {
            color: var(--muted);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(37,99,235,0.15);
            transition: color .2s;
        }
        .mobile-menu a:hover, .mobile-menu a.active { color: #38BDF8; }
        /* Article specific */
        .article-page { padding-top: 72px; }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            padding: 1.5rem 0 0.5rem;
            color: var(--muted);
            font-size: 0.85rem;
            font-weight: 600;
        }
        .breadcrumb a { color: #60A5FA; transition: color .2s; }
        .breadcrumb a:hover { color: #38BDF8; }
        .breadcrumb .sep { color: #475569; margin: 0 2px; }
        .breadcrumb .curr { color: #D1D5DB; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 300px; }
        .article-hero {
            padding: 2rem 0 1.5rem;
            border-bottom: 1px solid rgba(37, 99, 235, 0.2);
            margin-bottom: 2rem;
        }
        .article-hero h1 {
            font-size: clamp(1.8rem, 5vw, 3rem);
            font-weight: 900;
            color: var(--text);
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            color: var(--muted);
            font-size: 0.88rem;
            font-weight: 600;
        }
        .article-meta .divider { color: #475569; }
        .article-featured {
            margin: 2rem 0;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
        }
        .article-featured img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .article-body {
            max-width: 820px;
            margin: 0 auto;
            color: #D1D5DB;
            font-size: 1.06rem;
            line-height: 1.7;
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text);
            margin: 2.2rem 0 0.9rem;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #F1F5F9;
            margin: 1.8rem 0 0.7rem;
            line-height: 1.35;
        }
        .article-body p {
            margin-bottom: 1.1rem;
            text-align: left;
        }
        .article-body ul, .article-body ol {
            margin: 0.8rem 0 1.2rem;
            padding-left: 1.6rem;
        }
        .article-body ul li, .article-body ol li {
            margin-bottom: 0.5rem;
            color: #D1D5DB;
        }
        .article-body ul { list-style: disc; }
        .article-body ol { list-style: decimal; }
        .article-body img {
            border-radius: 12px;
            margin: 1.5rem 0;
            border: 1px solid rgba(37, 99, 235, 0.25);
            box-shadow: var(--shadow-lg);
        }
        .article-body blockquote {
            border-left: 4px solid #2563EB;
            background: rgba(37, 99, 235, 0.08);
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            color: #E0F2FE;
            font-style: italic;
            font-weight: 500;
        }
        .article-body a {
            color: #38BDF8;
            font-weight: 600;
            text-decoration: underline;
            transition: color .2s;
        }
        .article-body a:hover { color: #7dd3fc; }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            border-radius: 12px;
            overflow: hidden;
        }
        .article-body th {
            background: rgba(37, 99, 235, 0.2);
            color: #F1F5F9;
            font-weight: 700;
            padding: 0.8rem;
            text-align: left;
            border: 1px solid rgba(37,99,235,0.25);
        }
        .article-body td {
            padding: 0.8rem;
            border: 1px solid rgba(37,99,235,0.2);
            color: #D1D5DB;
        }
        .article-empty {
            text-align: center;
            padding: 3rem 1rem;
            background: var(--panel);
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .article-empty h2 {
            font-size: 1.8rem;
            color: var(--text);
            margin-bottom: 0.8rem;
        }
        .article-empty p {
            color: var(--muted);
            margin-bottom: 1.5rem;
        }
        .key-takeaways {
            background: rgba(8, 18, 41, 0.6);
            border: 1px solid rgba(37, 99, 235, 0.35);
            border-radius: var(--radius);
            padding: 1.8rem;
            margin: 2rem auto;
            max-width: 820px;
        }
        .key-takeaways h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .key-takeaways h3 i { color: #F59E0B; }
        .key-takeaways ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .key-takeaways ul li {
            padding: 0.55rem 0;
            border-bottom: 1px solid rgba(37,99,235,0.15);
            color: #D1D5DB;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-weight: 500;
        }
        .key-takeaways ul li:last-child { border-bottom: none; }
        .key-takeaways ul li i { color: #10B981; margin-top: 4px; }
        .share-box {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(37,99,235,0.25);
        }
        .share-box span {
            color: var(--muted);
            font-weight: 700;
            font-size: 0.9rem;
        }
        .share-btn {
            width: 42px; height: 42px;
            border-radius: 50%;
            display: grid; place-items: center;
            background: rgba(37, 99, 235, 0.12);
            color: #60A5FA;
            border: 1px solid rgba(37, 99, 235, 0.3);
            transition: all .25s;
            cursor: pointer;
            font-size: 1rem;
        }
        .share-btn:hover {
            background: rgba(37, 99, 235, 0.25);
            color: #fff;
            border-color: #38BDF8;
            transform: translateY(-2px);
            box-shadow: 0 0 14px rgba(37,99,235,0.4);
        }
        /* CTA box */
        .cta-box {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(56, 189, 248, 0.08));
            border: 1px solid rgba(37, 99, 235, 0.45);
            border-radius: var(--radius);
            padding: 2.2rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box h3 {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--text);
            margin-bottom: 0.7rem;
        }
        .cta-box p {
            color: #D1D5DB;
            margin-bottom: 1.5rem;
            font-size: 1rem;
        }
        /* Trust */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.2rem;
        }
        .trust-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.2rem;
        }
        .trust-item .icon {
            width: 44px; height: 44px;
            border-radius: 12px;
            display: grid; place-items: center;
            background: rgba(37, 99, 235, 0.15);
            color: #38BDF8;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .trust-item h4 {
            font-weight: 800;
            color: var(--text);
            font-size: 0.98rem;
            margin-bottom: 0.3rem;
        }
        .trust-item p {
            color: var(--muted);
            font-size: 0.85rem;
            line-height: 1.5;
        }
        /* FAQ */
        .faq-list { max-width: 820px; margin: 0 auto; }
        .faq-item {
            border: 1px solid rgba(37, 99, 235, 0.25);
            border-radius: 12px;
            margin-bottom: 0.8rem;
            overflow: hidden;
            background: rgba(8, 18, 41, 0.5);
            transition: all .25s;
        }
        .faq-item:hover { border-color: rgba(56, 189, 248, 0.5); }
        .faq-question {
            padding: 1rem 1.2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 700;
            color: #F1F5F9;
            font-size: 0.95rem;
            gap: 1rem;
            user-select: none;
        }
        .faq-question i { color: #38BDF8; font-size: 1.1rem; transition: transform .3s; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 1.2rem;
            color: #94A3B8;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 1.2rem 1.1rem;
        }
        /* Payment badges */
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .payment-badges span {
            padding: 0.35rem 0.8rem;
            border-radius: 8px;
            background: rgba(37, 99, 235, 0.12);
            border: 1px solid rgba(37, 99, 235, 0.3);
            color: #D1D5DB;
            font-weight: 700;
            font-size: 0.78rem;
            letter-spacing: 0.02em;
        }
        /* FAB */
        .fab-cyber {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px; height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #06B6D4;
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            transition: all .25s ease;
            position: relative;
        }
        .fab-cyber::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50%;
            background: linear-gradient(135deg, #A3E635, #06B6D4, #EC4899);
            z-index: -1;
            opacity: 0.6;
            animation: fabPulse 2.5s ease-in-out infinite;
        }
        @keyframes fabPulse {
            0%, 100% { opacity: 0.45; }
            50% { opacity: 0.9; }
        }
        .fab-cyber:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.65);
            color: #fff;
        }
        .fab-cyber:active { transform: scale(0.95); }
        /* Footer */
        .site-footer {
            background: rgba(3, 7, 18, 0.9);
            border-top: 1px solid rgba(37, 99, 235, 0.3);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand .brand { margin-bottom: 0.8rem; }
        .footer-brand p {
            color: var(--muted);
            font-size: 0.88rem;
            line-height: 1.6;
            max-width: 340px;
        }
        .footer-col h4 {
            color: var(--text);
            font-weight: 800;
            font-size: 0.95rem;
            margin-bottom: 0.9rem;
            letter-spacing: 0.01em;
        }
        .footer-col a {
            display: block;
            color: var(--muted);
            font-size: 0.85rem;
            padding: 0.3rem 0;
            transition: color .2s;
        }
        .footer-col a:hover { color: #38BDF8; }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(37, 99, 235, 0.2);
            color: #64748B;
            font-size: 0.8rem;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .desktop-nav { gap: 1.2rem; }
            .desktop-nav a { font-size: 0.85rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .menu-toggle { display: block; }
            .header-actions .login-btn, .header-actions .signup-btn { display: inline-flex; }
            .article-hero h1 { font-size: clamp(1.5rem, 6vw, 2.2rem); }
            .article-body { font-size: 0.98rem; }
            .article-featured img { max-height: 300px; }
            .cta-box { padding: 1.5rem 1rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.2rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .breadcrumb .curr { max-width: 160px; }
        }
        @media (max-width: 520px) {
            .section { padding: 2.5rem 0; }
            .header-inner { height: 64px; }
            .brand { font-size: 1.1rem; }
            .brand-mark { width: 34px; height: 34px; border-radius: 10px; }
            .login-btn { padding: 0.35rem 0.7rem; font-size: 0.75rem; }
            .signup-btn { padding: 0.35rem 0.8rem; font-size: 0.75rem; }
            .article-hero h1 { font-size: clamp(1.35rem, 7vw, 1.8rem); }
            .article-body h2 { font-size: 1.35rem; }
            .article-body h3 { font-size: 1.15rem; }
            .trust-grid { grid-template-columns: 1fr; }
            .fab-cyber { width: 48px; height: 48px; font-size: 1.1rem; bottom: 5rem; left: 0.75rem; }
            .key-takeaways { padding: 1.2rem; }
        }

/* roulang page: category2 */
:root {
            --bg: #030712;
            --bg-soft: #081229;
            --panel: rgba(11, 18, 34, 0.86);
            --panel-strong: #0b1220;
            --primary: #2563EB;
            --primary-light: #38BDF8;
            --primary-glow: rgba(37, 99, 235, 0.45);
            --text: #F8FAFC;
            --text-soft: #D1D5DB;
            --muted: #94A3B8;
            --border: rgba(37, 99, 235, 0.28);
            --border-strong: rgba(56, 189, 248, 0.55);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-lg: 0 18px 45px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);
            --font: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        html { scroll-behavior: smooth; }
        body {
            background: var(--bg);
            color: var(--text-soft);
            font-family: var(--font);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }
        button, input { font: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
        .section { padding: 4.5rem 0; position: relative; }
        .section-head { margin-bottom: 2.5rem; }
        .section-head h2 {
            font-size: clamp(1.7rem, 4vw, 2.5rem);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .section-head p {
            margin-top: 0.75rem;
            color: var(--muted);
            font-size: 1rem;
            max-width: 680px;
            text-align: left;
            line-height: 1.65;
        }
        .section-head.between { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
        .section-head.between h2 { margin-bottom: 0; }
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-light);
            font-weight: 700;
            font-size: 0.95rem;
            transition: color .2s;
            white-space: nowrap;
        }
        .section-link:hover { color: #7dd3fc; }
        .text-gradient {
            background: linear-gradient(135deg, #2563EB 0%, #38BDF8 60%, #60A5FA 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            font-weight: 800;
            padding: 0.85rem 1.5rem;
            border-radius: 999px;
            border: 1px solid rgba(56, 189, 248, 0.6);
            box-shadow: var(--shadow-glow);
            transition: all .25s ease;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.55);
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(3, 7, 18, 0.72);
            color: #E0F2FE;
            font-weight: 800;
            padding: 0.85rem 1.5rem;
            border-radius: 999px;
            border: 1px solid rgba(37, 99, 235, 0.5);
            backdrop-filter: blur(8px);
            transition: all .25s ease;
        }
        .btn-secondary:hover {
            border-color: #38BDF8;
            color: #fff;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.35);
        }
        .glow-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all .25s ease;
        }
        .glow-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.35rem 0.85rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            background: rgba(37, 99, 235, 0.15);
            color: #60A5FA;
            border: 1px solid rgba(37, 99, 235, 0.35);
        }
        .site-header {
            background: rgba(3, 7, 18, 0.82);
            border-bottom: 1px solid rgba(37, 99, 235, 0.25);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 100;
        }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 1rem; }
        .brand { display: flex; align-items: center; gap: 10px; font-weight: 900; color: var(--text); font-size: 1.35rem; letter-spacing: -0.02em; }
        .brand-mark {
            width: 40px; height: 40px;
            display: grid; place-items: center;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border-radius: 12px;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.55);
        }
        .desktop-nav { display: flex; align-items: center; gap: 1.8rem; }
        .desktop-nav a {
            color: var(--muted);
            font-weight: 700;
            font-size: 0.95rem;
            transition: color .2s;
            white-space: nowrap;
        }
        .desktop-nav a:hover, .desktop-nav a.active { color: #38BDF8; }
        .header-actions { display: flex; align-items: center; gap: 10px; }
        .login-btn {
            padding: 0.5rem 1rem;
            border-radius: 999px;
            color: #93C5FD;
            font-weight: 700;
            font-size: 0.9rem;
            border: 1px solid rgba(37, 99, 235, 0.45);
            transition: all .2s;
            white-space: nowrap;
            background: transparent;
            cursor: pointer;
        }
        .login-btn:hover { border-color: #38BDF8; color: #fff; }
        .signup-btn {
            padding: 0.5rem 1.25rem;
            border-radius: 999px;
            color: #fff;
            font-weight: 800;
            font-size: 0.9rem;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            border: 1px solid rgba(56, 189, 248, 0.6);
            box-shadow: 0 0 12px rgba(37, 99, 235, 0.4);
            transition: all .25s ease;
            white-space: nowrap;
            cursor: pointer;
        }
        .signup-btn:hover { transform: translateY(-1px); box-shadow: 0 0 20px rgba(56, 189, 248, 0.55); }
        .menu-toggle {
            display: none;
            width: 42px; height: 42px;
            border-radius: 10px;
            border: 1px solid rgba(37, 99, 235, 0.4);
            background: rgba(3, 7, 18, 0.8);
            color: #fff;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all .2s;
            align-items: center;
            justify-content: center;
        }
        .menu-toggle:hover { border-color: #38BDF8; }
        .mobile-menu {
            display: none;
            background: rgba(3, 7, 18, 0.96);
            border-bottom: 1px solid rgba(37, 99, 235, 0.3);
            padding: 1rem;
            flex-direction: column;
            gap: 0.5rem;
            position: absolute;
            top: 100%; left: 0; right: 0;
            z-index: 99;
        }
        .mobile-menu a {
            color: var(--text-soft);
            font-weight: 700;
            padding: 0.6rem 0;
            border-bottom: 1px solid rgba(37, 99, 235, 0.15);
            transition: color .2s;
        }
        .mobile-menu a:hover, .mobile-menu a.active { color: #38BDF8; }
        .mobile-menu.active { display: flex; }
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 72px;
            background: linear-gradient(135deg, var(--bg) 0%, var(--bg-soft) 45%, #0b1e3a 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -20%; right: -10%;
            width: 600px; height: 600px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.25), transparent 70%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -15%; left: -5%;
            width: 500px; height: 500px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.18), transparent 70%);
            pointer-events: none;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-left { text-align: left; }
        .hero-left .badge { margin-bottom: 1.25rem; }
        .hero-left h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 900;
            color: var(--text);
            line-height: 1.18;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
        .hero-left .hero-sub {
            font-size: 1.1rem;
            color: var(--muted);
            line-height: 1.65;
            max-width: 540px;
            margin-bottom: 1.5rem;
            text-align: left;
        }
        .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
        .hero-stats {
            display: flex;
            gap: 1.5rem;
            margin-top: 2.2rem;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: #38BDF8;
        }
        .hero-stat .stat-label {
            font-size: 0.82rem;
            color: var(--muted);
            letter-spacing: 0.02em;
        }
        .hero-right {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-lg);
        }
        .hero-panel-title {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 1.25rem;
        }
        .hero-panel-stats {
            display: grid;
            gap: 0.9rem;
        }
        .hero-panel-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(37, 99, 235, 0.15);
        }
        .hero-panel-item:last-child { border-bottom: none; }
        .hero-panel-item span:first-child { color: var(--muted); font-size: 0.9rem; }
        .hero-panel-item span:last-child { color: var(--text); font-weight: 800; font-size: 0.95rem; }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .feature-item {
            padding: 1.5rem;
            text-align: left;
        }
        .feature-icon {
            width: 48px; height: 48px;
            border-radius: 12px;
            display: grid; place-items: center;
            background: rgba(37, 99, 235, 0.15);
            color: #60A5FA;
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }
        .feature-item h3 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        .feature-item p { font-size: 0.88rem; color: var(--muted); line-height: 1.6; }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .game-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .25s ease;
        }
        .game-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .game-card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }
        .game-card:hover .game-card-img img { transform: scale(1.05); }
        .game-card-tag {
            position: absolute;
            top: 10px; right: 10px;
            padding: 0.3rem 0.7rem;
            border-radius: 999px;
            background: rgba(3, 7, 18, 0.8);
            backdrop-filter: blur(6px);
            color: #60A5FA;
            font-size: 0.72rem;
            font-weight: 800;
            border: 1px solid rgba(37, 99, 235, 0.45);
        }
        .game-card-body { padding: 1.2rem 1.25rem; }
        .game-card-body h3 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 0.35rem;
        }
        .game-card-body p { font-size: 0.85rem; color: var(--muted); line-height: 1.55; }
        .metrics-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            padding: 2rem 1rem;
            background: var(--panel-strong);
            border: 1px solid var(--border);
            border-radius: var(--radius);
        }
        .metric-item { text-align: center; }
        .metric-num {
            font-size: 2rem;
            font-weight: 900;
            color: #38BDF8;
            line-height: 1.2;
        }
        .metric-label {
            font-size: 0.82rem;
            color: var(--muted);
            margin-top: 0.4rem;
            letter-spacing: 0.02em;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .news-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .25s ease;
        }
        .news-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .news-card-img {
            height: 160px;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card-body { padding: 1.1rem 1.25rem; }
        .news-card-body h3 {
            font-size: 0.98rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 0.82rem;
            color: var(--muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.5rem;
        }
        .news-meta {
            font-size: 0.72rem;
            color: #60A5FA;
            font-weight: 700;
            display: flex;
            gap: 8px;
        }
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }
        .security-item {
            padding: 1.3rem;
            text-align: center;
        }
        .security-item i {
            font-size: 1.6rem;
            color: #38BDF8;
            margin-bottom: 0.7rem;
            display: block;
        }
        .security-item h3 {
            font-size: 0.92rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 0.3rem;
        }
        .security-item p { font-size: 0.78rem; color: var(--muted); line-height: 1.5; }
        .faq-list {
            max-width: 780px;
        }
        .faq-item {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: border-color .2s;
        }
        .faq-item:hover { border-color: var(--border-strong); }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1rem 1.25rem;
            background: transparent;
            border: none;
            color: var(--text);
            font-weight: 800;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: color .2s;
        }
        .faq-question:hover { color: #38BDF8; }
        .faq-question i { transition: transform .25s ease; font-size: 0.85rem; color: #60A5FA; }
        .faq-answer {
            display: none;
            padding: 0 1.25rem 1.1rem;
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.65;
        }
        .faq-item.open .faq-answer { display: block; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .cta-section {
            background: linear-gradient(135deg, var(--bg-soft) 0%, #0b1e3a 80%);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .cta-panel {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            padding: 3rem 2rem;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            backdrop-filter: blur(12px);
        }
        .cta-panel h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 900;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        .cta-panel p { color: var(--muted); max-width: 520px; line-height: 1.6; }
        .site-footer {
            background: var(--panel-strong);
            border-top: 1px solid var(--border);
            padding: 3.5rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand p {
            color: var(--muted);
            font-size: 0.9rem;
            line-height: 1.65;
            margin-top: 0.75rem;
            max-width: 340px;
        }
        .footer-col h4 {
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--muted);
            font-size: 0.88rem;
            padding: 0.3rem 0;
            transition: color .2s;
        }
        .footer-col a:hover { color: #38BDF8; }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .payment-badges span {
            padding: 0.35rem 0.7rem;
            border-radius: 6px;
            background: rgba(37, 99, 235, 0.12);
            border: 1px solid rgba(37, 99, 235, 0.3);
            color: #93C5FD;
            font-size: 0.72rem;
            font-weight: 700;
        }
        .footer-bottom {
            border-top: 1px solid rgba(37, 99, 235, 0.2);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: var(--muted);
        }
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 999px;
            background: rgba(3, 7, 18, 0.8);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(3,7,18,0.8), rgba(3,7,18,0.8)), linear-gradient(135deg, #A3E635, #06B6D4);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            color: #fff;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            transition: all .25s ease;
            animation: fab-breathe 3s ease-in-out infinite;
        }
        .fab-left:hover {
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.7);
            transform: scale(1.08);
        }
        .fab-left:active { transform: scale(0.96); }
        .fab-left .fab-noti {
            position: absolute;
            top: -3px; right: -3px;
            width: 14px; height: 14px;
            background: #F43F5E;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: fab-pulse 1.5s ease-in-out infinite;
        }
        @keyframes fab-breathe {
            0%, 100% { opacity: 0.75; transform: translateY(0); }
            50% { opacity: 1; transform: translateY(-4px); }
        }
        @keyframes fab-pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }
        @media (max-width: 1024px) {
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .game-grid { grid-template-columns: repeat(2, 1fr); }
            .metrics-bar { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .security-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .menu-toggle { display: flex; }
            .header-actions .login-btn, .header-actions .signup-btn { display: flex; }
            .hero-content { grid-template-columns: 1fr; gap: 2.5rem; }
            .hero-right { margin-top: 0.5rem; }
            .game-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
            .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
            .cta-panel { flex-direction: column; text-align: center; padding: 2rem 1.25rem; }
            .cta-panel p { margin: 0 auto; }
        }
        @media (max-width: 520px) {
            .feature-grid { grid-template-columns: 1fr; }
            .metrics-bar { grid-template-columns: 1fr; }
            .security-grid { grid-template-columns: 1fr; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; justify-content: center; }
            .hero-stats { gap: 1rem; }
            .hero-stat .stat-num { font-size: 1.4rem; }
            .header-inner { height: 64px; }
            .brand { font-size: 1.1rem; }
            .brand-mark { width: 34px; height: 34px; font-size: 0.9rem; }
        }

/* roulang page: category3 */
:root {
            --bg: #030712;
            --bg-soft: #081229;
            --panel: rgba(11, 18, 34, 0.86);
            --panel-strong: #0b1220;
            --primary: #2563EB;
            --primary-light: #38BDF8;
            --primary-glow: rgba(37, 99, 235, 0.45);
            --text: #F8FAFC;
            --text-soft: #D1D5DB;
            --muted: #94A3B8;
            --border: rgba(37, 99, 235, 0.28);
            --border-strong: rgba(56, 189, 248, 0.55);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-lg: 0 18px 45px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);
            --font: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        html { scroll-behavior: smooth; }
        body {
            background: var(--bg);
            color: var(--text-soft);
            font-family: var(--font);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }
        button, input { font: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
        .section { padding: 4.5rem 0; position: relative; }
        .section-head { margin-bottom: 2.5rem; }
        .section-head h2 {
            font-size: clamp(1.7rem, 4vw, 2.5rem);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .section-head p {
            margin-top: 0.75rem;
            color: var(--muted);
            font-size: 1rem;
            max-width: 680px;
            text-align: left;
            line-height: 1.65;
        }
        .section-head.between { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
        .section-head.between h2 { margin-bottom: 0; }
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-light);
            font-weight: 700;
            font-size: 0.95rem;
            transition: color .2s;
            white-space: nowrap;
        }
        .section-link:hover { color: #7dd3fc; }
        .text-gradient {
            background: linear-gradient(135deg, #2563EB 0%, #38BDF8 60%, #60A5FA 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            font-weight: 800;
            padding: 0.85rem 1.5rem;
            border-radius: 999px;
            border: 1px solid rgba(56, 189, 248, 0.6);
            box-shadow: var(--shadow-glow);
            transition: all .25s ease;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.55);
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(3, 7, 18, 0.72);
            color: #E0F2FE;
            font-weight: 800;
            padding: 0.85rem 1.5rem;
            border-radius: 999px;
            border: 1px solid rgba(37, 99, 235, 0.5);
            backdrop-filter: blur(8px);
            transition: all .25s ease;
            cursor: pointer;
        }
        .btn-secondary:hover {
            border-color: #38BDF8;
            color: #fff;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.35);
        }
        .glow-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all .25s ease;
        }
        .glow-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.35rem 0.85rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            background: rgba(37, 99, 235, 0.15);
            color: #60A5FA;
            border: 1px solid rgba(37, 99, 235, 0.35);
        }
        .badge-hot {
            background: rgba(239, 68, 68, 0.15);
            color: #F87171;
            border-color: rgba(239, 68, 68, 0.4);
        }
        /* Header */
        .site-header {
            background: rgba(3, 7, 18, 0.82);
            border-bottom: 1px solid rgba(37, 99, 235, 0.25);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            color: var(--text);
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border-radius: 12px;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.55);
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 1.8rem;
        }
        .desktop-nav a {
            color: var(--muted);
            font-weight: 700;
            font-size: 0.95rem;
            transition: color .2s;
            white-space: nowrap;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            color: #38BDF8;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .login-btn {
            padding: 0.5rem 1rem;
            border-radius: 999px;
            color: #93C5FD;
            font-weight: 700;
            font-size: 0.9rem;
            border: 1px solid rgba(37, 99, 235, 0.45);
            transition: all .2s;
            white-space: nowrap;
            background: transparent;
        }
        .login-btn:hover {
            border-color: #38BDF8;
            color: #fff;
            box-shadow: 0 0 12px rgba(37, 99, 235, 0.3);
        }
        .signup-btn {
            padding: 0.5rem 1rem;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            border: 1px solid rgba(56, 189, 248, 0.6);
            box-shadow: var(--shadow-glow);
            transition: all .25s ease;
            white-space: nowrap;
        }
        .signup-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 22px rgba(56, 189, 248, 0.5);
        }
        .menu-toggle {
            display: none;
            background: rgba(37, 99, 235, 0.15);
            border: 1px solid rgba(37, 99, 235, 0.4);
            color: #60A5FA;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 0;
            background: rgba(3, 7, 18, 0.97);
            border-top: 1px solid rgba(37, 99, 235, 0.25);
            padding: 0.5rem 1rem 1rem;
        }
        .mobile-menu a {
            padding: 0.8rem 0.25rem;
            color: var(--text-soft);
            font-weight: 700;
            border-bottom: 1px solid rgba(37, 99, 235, 0.12);
            font-size: 0.95rem;
        }
        .mobile-menu a:hover { color: #38BDF8; }
        .mobile-menu.open { display: flex; }
        /* Hero */
        .hero-section {
            padding-top: 6.5rem;
            padding-bottom: 4rem;
            background:
                radial-gradient(ellipse at 20% 10%, rgba(37, 99, 235, 0.18) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(56, 189, 248, 0.12) 0%, transparent 45%),
                linear-gradient(180deg, #030712 0%, #081229 100%);
            min-height: 88vh;
            display: flex;
            align-items: center;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }
        .hero-content h1 {
            font-size: clamp(2rem, 5vw, 3.25rem);
            font-weight: 900;
            color: var(--text);
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 1rem;
        }
        .hero-content p.lead {
            font-size: 1.1rem;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            max-width: 550px;
            text-align: left;
        }
        .hero-points {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }
        .hero-point {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.92rem;
            color: var(--text-soft);
            font-weight: 600;
        }
        .hero-point i {
            color: #38BDF8;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-visual {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        .countdown-ring-wrap {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.25rem 1.75rem;
            backdrop-filter: blur(12px);
        }
        .countdown-ring {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            border: 4px solid var(--border);
            border-top-color: #38BDF8;
            display: grid;
            place-items: center;
            font-weight: 900;
            font-size: 1.5rem;
            color: #38BDF8;
            animation: spin-ring 8s linear infinite;
        }
        @keyframes spin-ring {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        .countdown-info h4 {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 0.3rem;
        }
        .countdown-info p {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.5;
        }
        .hero-img-wrap {
            width: 100%;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
        }
        .hero-img-wrap img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .stat-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.5rem 1.25rem;
            text-align: left;
            backdrop-filter: blur(12px);
            transition: all .25s ease;
        }
        .stat-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
        }
        .stat-card .stat-number {
            font-size: 1.85rem;
            font-weight: 900;
            color: #38BDF8;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 0.35rem;
        }
        .stat-card .stat-label {
            font-size: 0.88rem;
            color: var(--muted);
            font-weight: 600;
        }
        /* Game cards */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .game-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .3s ease;
            cursor: pointer;
            position: relative;
        }
        .game-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .game-card-img {
            height: 170px;
            overflow: hidden;
            position: relative;
        }
        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .game-card:hover .game-card-img img {
            transform: scale(1.06);
        }
        .game-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.3rem 0.75rem;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 800;
            background: rgba(3, 7, 18, 0.8);
            color: #38BDF8;
            border: 1px solid rgba(56, 189, 248, 0.5);
            backdrop-filter: blur(6px);
        }
        .game-card-body {
            padding: 1.25rem;
        }
        .game-card-body h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .game-card-body p {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 0.9rem;
        }
        .game-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: #60A5FA;
            font-weight: 700;
        }
        .game-card-meta i {
            font-size: 0.75rem;
        }
        /* Compare */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .compare-card {
            padding: 1.75rem;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            background: var(--panel);
        }
        .compare-card.winvn {
            border-color: rgba(56, 189, 248, 0.6);
            background: rgba(37, 99, 235, 0.1);
            box-shadow: 0 0 24px rgba(37, 99, 235, 0.2);
        }
        .compare-card h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-card h3 i {
            color: #38BDF8;
        }
        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.93rem;
            line-height: 1.55;
        }
        .compare-list li i {
            margin-top: 3px;
            flex-shrink: 0;
            color: #38BDF8;
            font-size: 0.85rem;
        }
        .compare-list li i.fa-xmark {
            color: #F87171;
        }
        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.25rem;
        }
        .step-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.5rem 1.25rem;
            position: relative;
            transition: all .25s ease;
        }
        .step-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            display: grid;
            place-items: center;
            font-weight: 900;
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 1rem;
            box-shadow: 0 0 14px rgba(37, 99, 235, 0.4);
        }
        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        .step-card p {
            font-size: 0.86rem;
            color: var(--muted);
            line-height: 1.6;
        }
        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }
        .news-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1rem 1.25rem;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all .25s ease;
            cursor: pointer;
        }
        .news-item:hover {
            border-color: var(--border-strong);
            box-shadow: 0 0 12px rgba(37, 99, 235, 0.25);
        }
        .news-item .news-title {
            font-weight: 700;
            color: var(--text);
            font-size: 0.95rem;
            line-height: 1.45;
        }
        .news-item .news-date {
            font-size: 0.8rem;
            color: var(--muted);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-item .news-arrow {
            color: #38BDF8;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        /* Security */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .security-card {
            padding: 1.5rem 1.25rem;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            text-align: left;
            transition: all .25s ease;
        }
        .security-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
        }
        .security-card i {
            font-size: 1.6rem;
            color: #38BDF8;
            margin-bottom: 0.85rem;
        }
        .security-card h3 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        .security-card p {
            font-size: 0.86rem;
            color: var(--muted);
            line-height: 1.6;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
            max-width: 800px;
        }
        .faq-item {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all .25s ease;
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.25rem;
            background: none;
            border: none;
            color: var(--text);
            font-weight: 700;
            font-size: 0.98rem;
            cursor: pointer;
            text-align: left;
            line-height: 1.45;
        }
        .faq-question i {
            color: #38BDF8;
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 1.25rem 1.25rem;
            color: var(--muted);
            font-size: 0.92rem;
            line-height: 1.65;
        }
        /* CTA */
        .cta-section {
            background:
                radial-gradient(ellipse at 50% 50%, rgba(37, 99, 235, 0.25) 0%, transparent 60%),
                linear-gradient(180deg, #081229, #030712);
            border-top: 1px solid rgba(37, 99, 235, 0.3);
            border-bottom: 1px solid rgba(37, 99, 235, 0.3);
            padding: 4rem 0;
        }
        .cta-box {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }
        .cta-box h2 {
            font-size: clamp(1.7rem, 4vw, 2.4rem);
            font-weight: 900;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 0.85rem;
        }
        .cta-box p {
            color: var(--muted);
            font-size: 1rem;
            line-height: 1.65;
            margin-bottom: 1.75rem;
            text-align: center;
        }
        .cta-box .hero-actions {
            justify-content: center;
        }
        /* Footer */
        .site-footer {
            background: #02040a;
            border-top: 1px solid rgba(37, 99, 235, 0.2);
            padding: 3.5rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand .brand {
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.65;
            max-width: 320px;
            text-align: left;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--muted);
            margin-bottom: 0.6rem;
            transition: color .2s;
        }
        .footer-col a:hover { color: #38BDF8; }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .payment-badges span {
            padding: 0.35rem 0.75rem;
            background: rgba(37, 99, 235, 0.1);
            border: 1px solid rgba(37, 99, 235, 0.35);
            border-radius: 6px;
            font-size: 0.78rem;
            font-weight: 700;
            color: #93C5FD;
            white-space: nowrap;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(37, 99, 235, 0.15);
            font-size: 0.82rem;
            color: var(--muted);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
            .hero-visual { max-width: 480px; margin: 0 auto; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .game-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(3, 1fr); }
            .security-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .compare-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .menu-toggle { display: flex; }
            .login-btn { display: none; }
            .hero-section { padding-top: 5.5rem; min-height: auto; }
            .hero-content h1 { font-size: 1.9rem; }
            .hero-points { grid-template-columns: 1fr; }
            .countdown-ring-wrap { flex-direction: column; align-items: flex-start; }
            .game-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr 1fr; }
            .security-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .section { padding: 3rem 0; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
            .news-item { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
        }
        @media (max-width: 520px) {
            .header-inner { height: 62px; }
            .brand { font-size: 1.1rem; }
            .brand-mark { width: 34px; height: 34px; font-size: 0.85rem; }
            .signup-btn { font-size: 0.8rem; padding: 0.4rem 0.8rem; }
            .hero-content h1 { font-size: 1.6rem; }
            .hero-content p.lead { font-size: 0.95rem; }
            .stats-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .hero-actions { flex-direction: column; }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary { width: 100%; }
            .cta-box { padding: 0 1rem; }
        }