/* roulang page: index */
:root {
            --bg-deep: #030712;
            --bg-space: #081229;
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --holo-blue: #60A5FA;
            --text-white: #F8FAFC;
            --slate-ice: #94A3B8;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.09);
            --glass-hover: rgba(255, 255, 255, 0.07);
            --glow-blue: rgba(37, 99, 235, 0.45);
            --glow-cyan: rgba(56, 189, 248, 0.35);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 5rem;
            --font-body: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

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

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover,
        a:focus {
            color: var(--holo-blue);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin-left: auto;
            margin-right: auto;
        }

        @media (min-width: 576px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 992px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        .section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
            position: relative;
        }

        .section-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.12);
            padding: 0.35rem 0.85rem;
            border-radius: 30px;
            margin-bottom: 0.9rem;
            border: 1px solid rgba(56, 189, 248, 0.2);
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.25rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            line-height: 1.25;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--slate-ice);
            line-height: 1.65;
            max-width: 720px;
        }

        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: background var(--transition-med), border-color var(--transition-med), box-shadow var(--transition-med), transform var(--transition-med);
        }

        .glass-card:hover {
            background: var(--glass-hover);
            border-color: rgba(56, 189, 248, 0.25);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 24px rgba(37, 99, 235, 0.15);
        }

        .btn-glow {
            background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 45%, #38BDF8 100%);
            color: #FFFFFF !important;
            border: none;
            border-radius: 50px;
            padding: 0.75rem 1.75rem;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 20px var(--glow-blue), 0 0 40px rgba(37, 99, 235, 0.25);
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-glow:hover,
        .btn-glow:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(37, 99, 235, 0.55), 0 0 60px rgba(56, 189, 248, 0.35);
            color: #FFFFFF;
        }
        .btn-glow:active {
            transform: translateY(0);
        }

        .btn-ghost {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 50px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .btn-ghost:hover,
        .btn-ghost:focus {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .neon-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--accent-cyan);
            border-radius: 50px;
            padding: 0.25rem 0.75rem;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .badge-hot {
            background: rgba(239, 68, 68, 0.2);
            border-color: rgba(239, 68, 68, 0.5);
            color: #FCA5A5;
        }

        .badge-vip {
            background: rgba(250, 204, 21, 0.12);
            border-color: rgba(250, 204, 21, 0.35);
            color: #FDE68A;
        }

        /* Header / Navbar */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(3, 7, 18, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-med);
        }

        .site-header .navbar {
            padding-top: 0.6rem;
            padding-bottom: 0.6rem;
        }

        .brand-logo {
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--text-white);
            letter-spacing: -0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            transition: color var(--transition-fast);
            line-height: 1.2;
        }
        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--accent-cyan);
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #1D4ED8, #38BDF8);
            border-radius: 10px;
            font-size: 1.1rem;
            color: #FFFFFF;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.45);
            flex-shrink: 0;
        }

        .navbar-nav .nav-link {
            color: var(--slate-ice);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.08);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }
        .nav-actions .btn-nav-login {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 50px;
            padding: 0.5rem 1.25rem;
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-actions .btn-nav-login:hover,
        .nav-actions .btn-nav-login:focus {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .nav-actions .btn-nav-signup {
            background: linear-gradient(135deg, #1D4ED8, #38BDF8);
            color: #FFFFFF;
            border: none;
            border-radius: 50px;
            padding: 0.5rem 1.4rem;
            font-weight: 700;
            font-size: 0.88rem;
            box-shadow: 0 2px 14px rgba(37, 99, 235, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-actions .btn-nav-signup:hover,
        .nav-actions .btn-nav-signup:focus {
            box-shadow: 0 5px 22px rgba(37, 99, 235, 0.55);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 0.4rem 0.7rem;
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.04);
            margin-left: 0.5rem;
        }
        .navbar-toggler:focus {
            outline: 2px solid var(--accent-cyan);
            box-shadow: none;
        }
        .navbar-toggler-icon {
            filter: invert(1);
        }

        @media (max-width: 991.98px) {
            .navbar-nav {
                padding-top: 0.8rem;
                padding-bottom: 0.8rem;
            }
            .nav-actions .btn-nav-login,
            .nav-actions .btn-nav-signup {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
            .brand-logo {
                font-size: 0.95rem;
            }
            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 380px) {
            .nav-actions {
                gap: 0.35rem;
            }
            .nav-actions .btn-nav-login,
            .nav-actions .btn-nav-signup {
                padding: 0.4rem 0.75rem;
                font-size: 0.72rem;
            }
        }

        /* Hero - Coupon Wall */
        .hero-coupon-wall {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding-top: 5rem;
            padding-bottom: 5rem;
            background: linear-gradient(180deg, rgba(3, 7, 18, 0.5) 0%, rgba(3, 7, 18, 0.9) 100%),
                url('/assets/images/4af74a98914e5830.jpg') center center / cover no-repeat;
            overflow: hidden;
        }

        .hero-coupon-wall::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(37, 99, 235, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(3, 7, 18, 0.8) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-coupon-wall .container {
            position: relative;
            z-index: 2;
        }

        .hero-title {
            font-size: clamp(2rem, 4vw, 3.1rem);
            font-weight: 900;
            letter-spacing: -0.025em;
            line-height: 1.15;
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        .hero-title .text-glow-cyan {
            background: linear-gradient(135deg, #38BDF8, #60A5FA, #38BDF8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--slate-ice);
            line-height: 1.65;
            max-width: 640px;
            margin-bottom: 1.75rem;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .hero-trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 1.75rem;
            font-size: 0.85rem;
            color: var(--slate-ice);
            margin-top: 0.5rem;
        }
        .hero-trust-strip span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .hero-trust-strip i {
            color: var(--accent-cyan);
            font-size: 0.95rem;
        }

        .coupon-main {
            background: rgba(8, 18, 41, 0.75);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), 0 0 40px rgba(37, 99, 235, 0.2);
            padding: 2rem 2.25rem;
            position: relative;
            overflow: hidden;
        }
        .coupon-main::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .coupon-main .coupon-code {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 900;
            letter-spacing: 0.05em;
            color: #FDE68A;
            background: rgba(250, 204, 21, 0.08);
            border: 1px dashed rgba(250, 204, 21, 0.4);
            border-radius: 10px;
            padding: 0.75rem 1.5rem;
            display: inline-block;
            margin-bottom: 1rem;
        }

        .coupon-main .coupon-title {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .coupon-main .coupon-desc {
            color: var(--slate-ice);
            font-size: 0.95rem;
            margin-bottom: 1.25rem;
            line-height: 1.55;
        }

        .coupon-side-strip {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }

        .coupon-mini {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 0.9rem 1.1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            transition: all var(--transition-med);
            cursor: pointer;
        }
        .coupon-mini:hover {
            background: rgba(56, 189, 248, 0.08);
            border-color: rgba(56, 189, 248, 0.3);
            transform: translateX(4px);
        }
        .coupon-mini .mini-info {
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .coupon-mini .mini-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .mini-icon.blue {
            background: rgba(37, 99, 235, 0.2);
            color: #60A5FA;
        }
        .mini-icon.cyan {
            background: rgba(56, 189, 248, 0.18);
            color: #38BDF8;
        }
        .mini-icon.gold {
            background: rgba(250, 204, 21, 0.12);
            color: #FDE68A;
        }
        .coupon-mini .mini-title {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-white);
        }
        .coupon-mini .mini-sub {
            font-size: 0.75rem;
            color: var(--slate-ice);
        }
        .coupon-mini .mini-arrow {
            color: var(--accent-cyan);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        @media (max-width: 991.98px) {
            .hero-coupon-wall {
                min-height: auto;
                padding-top: 4rem;
                padding-bottom: 4rem;
            }
            .coupon-main {
                padding: 1.5rem;
                margin-bottom: 1.5rem;
            }
            .hero-title {
                font-size: clamp(1.6rem, 5vw, 2.2rem);
            }
        }

        /* KPI Board */
        .kpi-board {
            margin-top: -3.5rem;
            position: relative;
            z-index: 5;
            padding-bottom: 0;
        }
        .kpi-item {
            text-align: center;
            padding: 1.5rem 1rem;
            background: rgba(8, 18, 41, 0.7);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all var(--transition-med);
        }
        .kpi-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
            background: rgba(8, 18, 41, 0.85);
        }
        .kpi-number {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-cyan);
            letter-spacing: -0.01em;
            margin-bottom: 0.2rem;
        }
        .kpi-label {
            font-size: 0.82rem;
            color: var(--slate-ice);
            font-weight: 500;
        }

        /* Service Matrix */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 1.25rem;
        }
        .service-tile {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.3rem;
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }
        .service-tile::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-blue), var(--accent-cyan));
            opacity: 0;
            transition: opacity var(--transition-med);
        }
        .service-tile:hover {
            background: var(--glass-hover);
            border-color: rgba(56, 189, 248, 0.25);
            transform: translateY(-4px);
        }
        .service-tile:hover::before {
            opacity: 1;
        }
        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }
        .service-tile h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }
        .service-tile p {
            font-size: 0.88rem;
            color: var(--slate-ice);
            line-height: 1.55;
            margin-bottom: 0;
        }
        .icon-blue {
            background: rgba(37, 99, 235, 0.15);
            color: #60A5FA;
        }
        .icon-cyan {
            background: rgba(56, 189, 248, 0.13);
            color: #38BDF8;
        }
        .icon-gold {
            background: rgba(250, 204, 21, 0.1);
            color: #FDE68A;
        }
        .icon-red {
            background: rgba(239, 68, 68, 0.15);
            color: #FCA5A5;
        }
        .icon-green {
            background: rgba(16, 185, 129, 0.12);
            color: #6EE7B7;
        }
        .icon-purple {
            background: rgba(167, 139, 250, 0.15);
            color: #C4B5FD;
        }

        /* Compare Table */
        .compare-table-wrap {
            background: rgba(8, 18, 41, 0.6);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .compare-table {
            margin-bottom: 0;
            color: var(--slate-ice);
        }
        .compare-table thead th {
            background: rgba(37, 99, 235, 0.12);
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--text-white);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1rem 1.25rem;
            white-space: nowrap;
        }
        .compare-table tbody td {
            padding: 1rem 1.25rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.9rem;
            vertical-align: middle;
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table .col-feature {
            font-weight: 600;
            color: var(--text-white);
            min-width: 160px;
        }
        .compare-table .check-icon {
            color: #34D399;
            font-size: 1.1rem;
        }
        .compare-table .cross-icon {
            color: #F87171;
            font-size: 1.1rem;
        }
        .compare-table .table-highlight td {
            background: rgba(37, 99, 235, 0.06);
            color: var(--text-white);
        }

        /* Milestones Timeline */
        .timeline-horizontal {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
            gap: 1.5rem;
            padding-top: 0.5rem;
        }
        .timeline-node {
            position: relative;
            padding: 1.25rem 1.1rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            transition: all var(--transition-med);
        }
        .timeline-node:hover {
            border-color: rgba(56, 189, 248, 0.3);
            background: rgba(56, 189, 248, 0.05);
        }
        .timeline-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
            margin-bottom: 0.75rem;
            flex-shrink: 0;
        }
        .timeline-date {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 0.35rem;
        }
        .timeline-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.4rem;
        }
        .timeline-desc {
            font-size: 0.82rem;
            color: var(--slate-ice);
            line-height: 1.5;
            margin-bottom: 0;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.25rem;
        }
        .testimonial-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.4rem 1.5rem;
            transition: all var(--transition-med);
        }
        .testimonial-card:hover {
            border-color: rgba(56, 189, 248, 0.2);
            background: rgba(56, 189, 248, 0.04);
        }
        .testimonial-stars {
            color: #FDE68A;
            font-size: 0.8rem;
            margin-bottom: 0.7rem;
            letter-spacing: 0.05em;
        }
        .testimonial-text {
            font-size: 0.9rem;
            color: var(--slate-ice);
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.65rem;
        }
        .testimonial-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1D4ED8, #38BDF8);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--text-white);
        }
        .testimonial-role {
            font-size: 0.75rem;
            color: var(--slate-ice);
        }

        /* CMS News Section */
        .news-list-section {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 1.75rem;
        }
        @media (max-width: 991.98px) {
            .news-list-section {
                grid-template-columns: 1fr;
            }
        }
        .news-main-col {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .news-main-item {
            display: flex;
            gap: 1rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.1rem;
            transition: all var(--transition-med);
        }
        .news-main-item:hover {
            border-color: rgba(56, 189, 248, 0.25);
            background: rgba(56, 189, 248, 0.05);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }
        .news-main-thumb {
            width: 72px;
            height: 72px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-main-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }
        .news-main-item:hover .news-main-thumb img {
            transform: scale(1.06);
        }
        .news-main-content {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
            min-width: 0;
        }
        .news-main-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.4;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-main-meta {
            font-size: 0.75rem;
            color: var(--slate-ice);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .news-main-excerpt {
            font-size: 0.82rem;
            color: var(--slate-ice);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-side-col {
            background: rgba(8, 18, 41, 0.55);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.3rem 1.2rem;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .news-side-col .side-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 1rem;
        }
        .news-side-item {
            display: block;
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: color var(--transition-fast);
        }
        .news-side-item:last-child {
            border-bottom: none;
        }
        .news-side-item .side-item-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-white);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .news-side-item:hover .side-item-title {
            color: var(--accent-cyan);
        }
        .news-side-item .side-item-meta {
            font-size: 0.72rem;
            color: var(--slate-ice);
        }
        .news-empty-state {
            text-align: center;
            padding: 2rem 1rem;
            color: var(--slate-ice);
            font-size: 0.9rem;
        }

        /* Guarantee Section */
        .guarantee-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
            gap: 1.25rem;
        }
        .guarantee-block {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.4rem 1.3rem;
            transition: all var(--transition-med);
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }
        .guarantee-block:hover {
            border-color: rgba(56, 189, 248, 0.2);
            background: rgba(56, 189, 248, 0.04);
        }
        .guarantee-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .guarantee-block h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.3rem;
            line-height: 1.3;
        }
        .guarantee-block p {
            font-size: 0.82rem;
            color: var(--slate-ice);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* Payment Methods */
        .payments-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem;
            align-items: center;
        }
        .payment-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            border-radius: 50px;
            padding: 0.55rem 1.25rem;
            font-size: 0.83rem;
            font-weight: 600;
            color: var(--text-white);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .payment-pill:hover {
            background: rgba(56, 189, 248, 0.08);
            border-color: rgba(56, 189, 248, 0.3);
            color: var(--accent-cyan);
        }
        .payment-pill i {
            font-size: 0.95rem;
            color: var(--accent-cyan);
        }

        /* Version Update */
        .changelog {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .changelog-item {
            display: flex;
            gap: 1rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.1rem 1.25rem;
            transition: all var(--transition-med);
        }
        .changelog-item:hover {
            border-color: rgba(56, 189, 248, 0.2);
            background: rgba(56, 189, 248, 0.04);
        }
        .changelog-version {
            font-weight: 800;
            font-size: 0.85rem;
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.1);
            padding: 0.3rem 0.7rem;
            border-radius: 30px;
            white-space: nowrap;
            align-self: flex-start;
            flex-shrink: 0;
        }
        .changelog-content h3 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.3rem;
        }
        .changelog-content p {
            font-size: 0.82rem;
            color: var(--slate-ice);
            line-height: 1.5;
            margin-bottom: 0;
        }

        /* Tiers */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
            gap: 1.25rem;
        }
        .tier-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.6rem 1.4rem;
            transition: all var(--transition-med);
            position: relative;
        }
        .tier-card:hover {
            border-color: rgba(56, 189, 248, 0.25);
            transform: translateY(-4px);
        }
        .tier-card.featured {
            border: 1px solid rgba(37, 99, 235, 0.5);
            background: rgba(37, 99, 235, 0.07);
            box-shadow: 0 0 30px rgba(37, 99, 235, 0.15);
        }
        .tier-name {
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 0.5rem;
        }
        .tier-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }
        .tier-desc {
            font-size: 0.84rem;
            color: var(--slate-ice);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* FAQ */
        .accordion-faq .accordion-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
        }
        .accordion-faq .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.92rem;
            padding: 1.1rem 1.25rem;
            border-radius: var(--radius-md) !important;
            box-shadow: none;
        }
        .accordion-faq .accordion-button:not(.collapsed) {
            background: rgba(56, 189, 248, 0.08);
            color: var(--accent-cyan);
        }
        .accordion-faq .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
        }
        .accordion-faq .accordion-button::after {
            filter: invert(0.7);
        }
        .accordion-faq .accordion-body {
            padding: 1rem 1.25rem 1.25rem;
            font-size: 0.88rem;
            color: var(--slate-ice);
            line-height: 1.6;
        }

        /* Bottom Fixed CTA */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1020;
            background: rgba(3, 7, 18, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid rgba(56, 189, 248, 0.2);
            padding: 0.75rem 1.25rem;
            box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.4);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .bottom-cta-bar .cta-bar-text {
            font-size: 0.85rem;
            color: var(--slate-ice);
            font-weight: 500;
        }
        .bottom-cta-bar .btn-glow {
            padding: 0.6rem 1.5rem;
            font-size: 0.85rem;
        }
        @media (max-width: 575.98px) {
            .bottom-cta-bar {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
                padding: 0.7rem 1rem;
            }
            .bottom-cta-bar .cta-bar-text {
                font-size: 0.78rem;
            }
            .bottom-cta-bar .btn-glow {
                width: 100%;
                justify-content: center;
            }
        }

        /* Page body bottom padding to accommodate fixed bottom CTA */
        body.has-bottom-cta {
            padding-bottom: 75px;
        }
        @media (max-width: 575.98px) {
            body.has-bottom-cta {
                padding-bottom: 115px;
            }
        }

        /* FAB */
        .fab-neon {
            position: fixed;
            left: 1rem;
            bottom: 5.5rem;
            z-index: 1050;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, #A3E635, #38BDF8) 1;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #38BDF8;
            box-shadow: 0 0 22px rgba(6, 182, 212, 0.5), 0 6px 22px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-med);
            cursor: pointer;
            position: relative;
            text-decoration: none;
            animation: fabPulse 2.5s infinite ease-in-out;
        }
        .fab-btn::after {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50%;
            background: linear-gradient(135deg, #A3E635, #38BDF8);
            opacity: 0;
            z-index: -1;
            transition: opacity var(--transition-med);
        }
        .fab-btn:hover,
        .fab-btn:focus {
            transform: scale(1.1);
            color: #A3E635;
            box-shadow: 0 0 35px rgba(56, 189, 248, 0.7), 0 0 55px rgba(163, 230, 53, 0.3);
            opacity: 1;
        }
        .fab-btn:active {
            transform: scale(0.95);
        }
        .fab-btn .fab-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #F43F5E;
            border-radius: 50%;
            border: 2px solid #FFFFFF;
            animation: fabBlink 1.2s infinite;
        }

        @keyframes fabPulse {
            0%,
            100% {
                box-shadow: 0 0 22px rgba(6, 182, 212, 0.5), 0 6px 22px rgba(0, 0, 0, 0.3);
            }
            50% {
                box-shadow: 0 0 32px rgba(6, 182, 212, 0.7), 0 6px 28px rgba(0, 0, 0, 0.35);
            }
        }
        @keyframes fabBlink {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.85);
            }
        }
        @media (max-width: 575.98px) {
            .fab-neon {
                bottom: 7.5rem;
                left: 0.8rem;
            }
            .fab-btn {
                width: 50px;
                height: 50px;
                font-size: 1.1rem;
            }
            .fab-btn .fab-dot {
                width: 10px;
                height: 10px;
            }
        }

        /* Footer */
        .site-footer {
            background: rgba(3, 7, 18, 0.92);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3rem 0 1.5rem;
            position: relative;
            z-index: 10;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1rem;
            color: var(--text-white);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }
        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #1D4ED8, #38BDF8);
            border-radius: 8px;
            font-size: 0.9rem;
            color: #FFFFFF;
        }
        .footer-desc {
            font-size: 0.82rem;
            color: var(--slate-ice);
            line-height: 1.55;
            margin-bottom: 1.25rem;
            max-width: 380px;
        }
        .footer-heading {
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.55rem;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--slate-ice);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 2.5rem;
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
        }
        .footer-copyright {
            font-size: 0.78rem;
            color: var(--slate-ice);
        }
        .footer-legal-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
        }
        .footer-legal-links a {
            font-size: 0.78rem;
            color: var(--slate-ice);
            transition: color var(--transition-fast);
        }
        .footer-legal-links a:hover {
            color: var(--accent-cyan);
        }

        @media (max-width: 767.98px) {
            .site-footer {
                padding: 2rem 0 1rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-legal-links {
                justify-content: center;
            }
        }

        /* Responsive adjustments */
        @media (max-width: 767.98px) {
            .section {
                padding-top: 3.5rem;
                padding-bottom: 3.5rem;
            }
            .kpi-number {
                font-size: 1.4rem;
            }
            .kpi-item {
                padding: 1rem 0.7rem;
            }
            .coupon-main {
                padding: 1.2rem;
            }
            .compare-table thead th,
            .compare-table tbody td {
                padding: 0.7rem 0.8rem;
                font-size: 0.78rem;
            }
            .timeline-horizontal {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .news-main-item {
                flex-direction: column;
                gap: 0.6rem;
            }
            .news-main-thumb {
                width: 100%;
                height: 140px;
            }
        }

        @media (max-width: 520px) {
            .hero-coupon-wall {
                padding-top: 3rem;
                padding-bottom: 3.5rem;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .coupon-main .coupon-code {
                font-size: 1.2rem;
                padding: 0.6rem 1rem;
            }
            .coupon-main .coupon-title {
                font-size: 1.1rem;
            }
            .btn-glow {
                padding: 0.65rem 1.3rem;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .btn-ghost {
                padding: 0.6rem 1.3rem;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .hero-cta-row {
                gap: 0.6rem;
            }
            .kpi-board {
                margin-top: -2rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #030712;
            --bg-space: #081229;
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --holo-blue: #60A5FA;
            --text-white: #F8FAFC;
            --slate-ice: #94A3B8;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.09);
            --glass-hover: rgba(255, 255, 255, 0.07);
            --glow-blue: rgba(37, 99, 235, 0.45);
            --glow-cyan: rgba(56, 189, 248, 0.35);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 5rem;
            --font-body: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover,
        a:focus {
            color: var(--holo-blue);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
        }
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin-left: auto;
            margin-right: auto;
        }
        @media (min-width: 576px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 992px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }
        .section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
            position: relative;
        }
        .section-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.12);
            padding: 0.35rem 0.85rem;
            border-radius: 30px;
            margin-bottom: 0.9rem;
            border: 1px solid rgba(56, 189, 248, 0.2);
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.25rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            line-height: 1.25;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--slate-ice);
            line-height: 1.65;
            max-width: 720px;
        }
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: background var(--transition-med), border-color var(--transition-med), box-shadow var(--transition-med), transform var(--transition-med);
        }
        .glass-card:hover {
            background: var(--glass-hover);
            border-color: rgba(56, 189, 248, 0.25);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 24px rgba(37, 99, 235, 0.15);
        }
        .btn-glow {
            background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 45%, #38BDF8 100%);
            color: #FFFFFF !important;
            border: none;
            border-radius: 50px;
            padding: 0.75rem 1.75rem;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 20px var(--glow-blue), 0 0 40px rgba(37, 99, 235, 0.25);
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .btn-glow:hover,
        .btn-glow:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(37, 99, 235, 0.55), 0 0 60px rgba(56, 189, 248, 0.35);
            color: #FFFFFF;
        }
        .btn-glow:active {
            transform: translateY(0);
        }
        .btn-ghost {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 50px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .btn-ghost:hover,
        .btn-ghost:focus {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .neon-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--accent-cyan);
            border-radius: 50px;
            padding: 0.25rem 0.75rem;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(3, 7, 18, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 0.65rem 0;
            transition: background var(--transition-med), box-shadow var(--transition-med);
        }
        .site-header.scrolled {
            background: rgba(3, 7, 18, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
        }
        .site-header .navbar {
            padding: 0;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 0.75rem;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--accent-cyan);
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            border-radius: 10px;
            color: #FFFFFF;
            font-size: 0.9rem;
            box-shadow: 0 0 18px var(--glow-blue);
        }
        .site-header .navbar-nav {
            gap: 0.25rem;
        }
        .site-header .nav-link {
            color: var(--slate-ice);
            font-weight: 600;
            font-size: 0.88rem;
            padding: 0.5rem 0.9rem !important;
            border-radius: 8px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .site-header .nav-link:hover,
        .site-header .nav-link:focus {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .site-header .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.1);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-nav-login {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 50px;
            padding: 0.45rem 1.1rem;
            font-weight: 600;
            font-size: 0.82rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-login:hover,
        .btn-nav-login:focus {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .btn-nav-signup {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #FFFFFF;
            border: none;
            border-radius: 50px;
            padding: 0.45rem 1.2rem;
            font-weight: 700;
            font-size: 0.82rem;
            box-shadow: 0 4px 16px var(--glow-blue);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-signup:hover,
        .btn-nav-signup:focus {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(37, 99, 235, 0.55);
            color: #FFFFFF;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            padding: 0.35rem 0.6rem;
            background: rgba(255, 255, 255, 0.04);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.3);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2856, 189, 248, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .site-header .container {
                flex-wrap: wrap;
            }
            .site-header .navbar-collapse {
                flex-basis: 100%;
                padding-top: 0.75rem;
                padding-bottom: 0.5rem;
            }
            .site-header .navbar-nav {
                gap: 0.15rem;
            }
            .nav-actions {
                margin-left: auto;
            }
        }
        @media (max-width: 575.98px) {
            .nav-actions {
                gap: 0.35rem;
            }
            .btn-nav-login,
            .btn-nav-signup {
                padding: 0.4rem 0.85rem;
                font-size: 0.78rem;
            }
        }

        /* Hero Section */
        .hero-category {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            padding: 7rem 0 4rem;
            background: url('/assets/images/4af74a98914e5830.jpg') center center / cover no-repeat;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(3, 7, 18, 0.92) 0%, rgba(8, 18, 41, 0.78) 50%, rgba(3, 7, 18, 0.88) 100%);
            z-index: 1;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(37, 99, 235, 0.22) 0%, transparent 60%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
        }
        .hero-category .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(56, 189, 248, 0.15);
            border: 1px solid rgba(56, 189, 248, 0.35);
            color: var(--accent-cyan);
            border-radius: 50px;
            padding: 0.4rem 1rem;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 1.2rem;
        }
        .hero-category h1 {
            font-size: clamp(2rem, 4.5vw, 3.3rem);
            font-weight: 900;
            letter-spacing: -0.03em;
            color: var(--text-white);
            margin-bottom: 1.2rem;
            line-height: 1.15;
        }
        .hero-category h1 .highlight {
            background: linear-gradient(135deg, #38BDF8 0%, #2563EB 60%, #60A5FA 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-category .hero-desc {
            font-size: 1.05rem;
            color: var(--slate-ice);
            line-height: 1.65;
            max-width: 640px;
            margin-bottom: 1.75rem;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 0.85rem;
            flex-wrap: wrap;
        }
        .hero-timer {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: rgba(3, 7, 18, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            padding: 0.5rem 1.2rem;
            font-size: 0.85rem;
            color: var(--slate-ice);
            margin-top: 1.5rem;
        }
        .hero-timer .timer-icon {
            color: var(--accent-cyan);
        }
        .hero-timer .timer-value {
            color: var(--text-white);
            font-weight: 700;
        }

        /* Stats Section */
        .stats-strip {
            background: rgba(8, 18, 41, 0.55);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 2.75rem 0;
        }
        .stat-item {
            text-align: left;
            padding: 0.75rem 1.25rem;
            border-left: 2px solid rgba(56, 189, 248, 0.3);
            transition: border-color var(--transition-fast);
        }
        .stat-item:hover {
            border-left-color: var(--accent-cyan);
        }
        .stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-value .stat-unit {
            font-size: 1rem;
            color: var(--accent-cyan);
            font-weight: 600;
            margin-left: 0.2rem;
        }
        .stat-label {
            font-size: 0.82rem;
            color: var(--slate-ice);
            margin-top: 0.25rem;
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .feature-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #2563EB, #38BDF8);
            opacity: 0;
            transition: opacity var(--transition-med);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card:hover {
            border-color: rgba(56, 189, 248, 0.3);
            box-shadow: 0 10px 36px rgba(0, 0, 0, 0.35), 0 0 28px rgba(37, 99, 235, 0.12);
            transform: translateY(-4px);
        }
        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: 12px;
            color: var(--accent-cyan);
            font-size: 1.15rem;
            margin-bottom: 1rem;
        }
        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.55rem;
            letter-spacing: -0.01em;
        }
        .feature-card p {
            font-size: 0.88rem;
            color: var(--slate-ice);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* Games Showcase */
        .game-showcase {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .game-tile {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            transition: all var(--transition-med);
            cursor: pointer;
        }
        .game-tile:hover {
            border-color: rgba(56, 189, 248, 0.35);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4), 0 0 28px rgba(37, 99, 235, 0.15);
            transform: translateY(-4px);
        }
        .game-tile .game-img {
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
        }
        .game-tile .game-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(3, 7, 18, 0.9) 0%, rgba(3, 7, 18, 0.3) 60%, transparent 100%);
        }
        .game-tile .game-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.1rem 1.2rem;
            z-index: 2;
        }
        .game-tile .game-name {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.2rem;
        }
        .game-tile .game-tag {
            font-size: 0.72rem;
            color: var(--accent-cyan);
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .game-tile .game-hot {
            position: absolute;
            top: 0.8rem;
            right: 0.8rem;
            z-index: 3;
            background: #DC2626;
            color: #FFFFFF;
            border-radius: 50px;
            padding: 0.2rem 0.65rem;
            font-size: 0.65rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            box-shadow: 0 2px 12px rgba(220, 38, 38, 0.5);
        }

        /* Steps Section */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            counter-reset: step;
        }
        .step-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.25rem;
            position: relative;
            transition: all var(--transition-med);
        }
        .step-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 0.9rem;
            margin-bottom: 0.8rem;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.35);
        }
        .step-item h3 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.45rem;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--slate-ice);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* News List */
        .news-list-section {
            background: rgba(8, 18, 41, 0.35);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }
        .news-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.35rem 1.4rem;
            transition: all var(--transition-med);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-card:hover {
            background: var(--glass-hover);
            border-color: rgba(56, 189, 248, 0.25);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
        }
        .news-card h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .news-card h3 a {
            color: var(--text-white);
            transition: color var(--transition-fast);
        }
        .news-card h3 a:hover {
            color: var(--accent-cyan);
        }
        .news-card .news-summary {
            font-size: 0.84rem;
            color: var(--slate-ice);
            line-height: 1.55;
            flex-grow: 1;
            margin-bottom: 0.75rem;
        }
        .news-card .news-meta {
            font-size: 0.74rem;
            color: var(--holo-blue);
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        /* FAQ Section */
        .faq-section {
            background: rgba(3, 7, 18, 0.5);
        }
        .faq-list {
            max-width: 830px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 1.1rem 1.3rem;
            border: none;
            box-shadow: none !important;
            transition: color var(--transition-fast);
        }
        .accordion-button:not(.collapsed) {
            background: rgba(56, 189, 248, 0.08);
            color: var(--accent-cyan);
        }
        .accordion-button:focus {
            outline: none;
            box-shadow: none;
        }
        .accordion-button::after {
            filter: brightness(0) invert(1) opacity(0.6);
        }
        .accordion-body {
            background: transparent;
            color: var(--slate-ice);
            font-size: 0.88rem;
            line-height: 1.6;
            padding: 0 1.3rem 1.1rem;
        }

        /* CTA Section */
        .cta-section {
            position: relative;
            background: url('/assets/images/881bb0b7bb8b95d8.jpg') center center / cover no-repeat;
            overflow: hidden;
            padding: 4.5rem 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(3, 7, 18, 0.92) 0%, rgba(8, 18, 41, 0.75) 50%, rgba(3, 7, 18, 0.9) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--slate-ice);
            max-width: 580px;
            margin: 0 auto 1.5rem;
            line-height: 1.6;
        }
        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.85rem;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #02050D;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3.5rem 0 1.75rem;
            color: var(--slate-ice);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.85rem;
        }
        .site-footer .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            border-radius: 8px;
            color: #FFFFFF;
            font-size: 0.8rem;
        }
        .site-footer .footer-desc {
            font-size: 0.86rem;
            color: var(--slate-ice);
            line-height: 1.6;
            max-width: 320px;
        }
        .site-footer .footer-heading {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 0.9rem;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 0.55rem;
        }
        .site-footer .footer-links a {
            font-size: 0.84rem;
            color: var(--slate-ice);
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .site-footer .footer-copyright {
            text-align: center;
            font-size: 0.78rem;
            color: rgba(148, 163, 184, 0.5);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 1.5rem;
            margin-top: 2rem;
        }

        /* FAB */
        .fab-neon {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1040;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(7, 7, 13, 0.82);
            backdrop-filter: blur-lg;
            -webkit-backdrop-filter: blur-lg;
            border: 2px solid transparent;
            background-clip: padding-box;
            background-image: linear-gradient(rgba(7, 7, 13, 0.82), rgba(7, 7, 13, 0.82)), linear-gradient(135deg, #A3E635, #06B6D4, #2563EB);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45), 0 4px 24px rgba(0, 0, 0, 0.5);
            color: #38BDF8;
            font-size: 1.2rem;
            opacity: 0.75;
            transition: all var(--transition-med);
            animation: neonPulse 2.8s ease-in-out infinite;
        }
        .fab-neon:hover,
        .fab-neon:focus {
            opacity: 1;
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.65), 0 8px 32px rgba(0, 0, 0, 0.55);
            transform: scale(1.06);
            color: #A3E635;
        }
        .fab-neon:active {
            transform: scale(0.95);
        }
        .fab-neon .fab-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #F43F5E;
            border-radius: 50%;
            border: 2px solid #FFFFFF;
            animation: dotBlink 1.4s ease-in-out infinite;
        }
        @keyframes neonPulse {
            0%, 100% {
                box-shadow: 0 0 20px rgba(6, 182, 212, 0.45), 0 4px 24px rgba(0, 0, 0, 0.5);
            }
            50% {
                box-shadow: 0 0 36px rgba(163, 230, 53, 0.4), 0 0 60px rgba(6, 182, 212, 0.3), 0 4px 24px rgba(0, 0, 0, 0.5);
            }
        }
        @keyframes dotBlink {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .game-showcase {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-category {
                min-height: 70vh;
                padding-top: 6rem;
            }
        }
        @media (max-width: 575.98px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .game-showcase {
                grid-template-columns: 1fr;
            }
            .steps-flow {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .stat-item {
                border-left: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 0.65rem 0.75rem;
            }
            .stat-item:last-child {
                border-bottom: none;
            }
            .hero-category {
                min-height: auto;
                padding-top: 5.5rem;
                padding-bottom: 3rem;
            }
            .hero-category h1 {
                font-size: 1.85rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn-glow,
            .hero-actions .btn-ghost {
                width: 100%;
                justify-content: center;
            }
            .fab-neon {
                width: 48px;
                height: 48px;
                left: 0.75rem;
                bottom: 5rem;
                font-size: 1rem;
                border-radius: 12px;
            }
            .section {
                padding-top: 3.5rem;
                padding-bottom: 3.5rem;
            }
            .cta-section {
                padding: 3rem 0;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #030712;
            --bg-space: #081229;
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --holo-blue: #60A5FA;
            --text-white: #F8FAFC;
            --slate-ice: #94A3B8;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.09);
            --glass-hover: rgba(255, 255, 255, 0.07);
            --glow-blue: rgba(37, 99, 235, 0.45);
            --glow-cyan: rgba(56, 189, 248, 0.35);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 4.5rem;
            --font-body: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

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

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

        a:hover,
        a:focus {
            color: var(--holo-blue);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin-left: auto;
            margin-right: auto;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        .section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
            position: relative;
        }

        .section-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.12);
            padding: 0.35rem 0.85rem;
            border-radius: 30px;
            margin-bottom: 0.9rem;
            border: 1px solid rgba(56, 189, 248, 0.2);
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.25rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            line-height: 1.25;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--slate-ice);
            line-height: 1.65;
            max-width: 720px;
        }

        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: background var(--transition-med), border-color var(--transition-med), box-shadow var(--transition-med), transform var(--transition-med);
        }

        .glass-card:hover {
            background: var(--glass-hover);
            border-color: rgba(56, 189, 248, 0.25);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 24px rgba(37, 99, 235, 0.15);
        }

        .btn-glow {
            background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 45%, #38BDF8 100%);
            color: #FFFFFF !important;
            border: none;
            border-radius: 50px;
            padding: 0.75rem 1.75rem;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 20px var(--glow-blue), 0 0 40px rgba(37, 99, 235, 0.25);
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-glow:hover,
        .btn-glow:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(37, 99, 235, 0.55), 0 0 60px rgba(56, 189, 248, 0.35);
            color: #FFFFFF;
        }

        .btn-glow:active {
            transform: translateY(0);
        }

        .btn-ghost {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 50px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-ghost:hover,
        .btn-ghost:focus {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .neon-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--accent-cyan);
            border-radius: 50px;
            padding: 0.25rem 0.75rem;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            background: rgba(3, 7, 18, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            position: sticky;
            top: 0;
            z-index: 1030;
            padding: 0;
        }

        .site-header .navbar {
            padding: 0.65rem 0;
            background: transparent;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--text-white);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--text-white);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #FFFFFF;
            font-size: 0.9rem;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.5);
        }

        .navbar-nav {
            gap: 0.35rem;
        }

        .navbar-nav .nav-link {
            color: var(--slate-ice);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.55rem 1rem;
            border-radius: 8px;
            transition: color var(--transition-fast), background var(--transition-fast);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.08);
        }

        .navbar-nav .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.2);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-right: 0.5rem;
        }

        .btn-nav-login {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 50px;
            padding: 0.5rem 1.1rem;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav-login:hover,
        .btn-nav-login:focus {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .btn-nav-signup {
            background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 45%, #38BDF8 100%);
            color: #FFFFFF;
            border: none;
            border-radius: 50px;
            padding: 0.5rem 1.25rem;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.45);
            transition: all var(--transition-med);
            white-space: nowrap;
        }

        .btn-nav-signup:hover,
        .btn-nav-signup:focus {
            transform: translateY(-1px);
            box-shadow: 0 0 30px rgba(37, 99, 235, 0.65), 0 0 50px rgba(56, 189, 248, 0.3);
            color: #FFFFFF;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            padding: 0.4rem 0.6rem;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-white);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.25);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(248, 250, 252, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(3, 7, 18, 0.97);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.6rem;
                border: 1px solid rgba(255, 255, 255, 0.07);
            }
            .nav-actions {
                margin-right: 0;
            }
            .btn-nav-login,
            .btn-nav-signup {
                padding: 0.45rem 0.9rem;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 575.98px) {
            .btn-nav-login {
                padding: 0.4rem 0.8rem;
                font-size: 0.75rem;
            }
            .btn-nav-signup {
                padding: 0.4rem 0.85rem;
                font-size: 0.75rem;
            }
            .brand-logo {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
        }

        /* ============ ARTICLE HERO ============ */
        .article-hero {
            padding-top: 3.2rem;
            padding-bottom: 2.8rem;
            position: relative;
            background:
                radial-gradient(ellipse 80% 55% at 20% 0%, rgba(37, 99, 235, 0.14) 0%, transparent 60%),
                radial-gradient(ellipse 70% 50% at 85% 10%, rgba(56, 189, 248, 0.1) 0%, transparent 55%),
                var(--bg-deep);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
            mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
            -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
        }

        .breadcrumb-article {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--slate-ice);
            margin-bottom: 1.2rem;
            position: relative;
            z-index: 2;
        }

        .breadcrumb-article a {
            color: var(--slate-ice);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-article .crumb-sep {
            color: rgba(255, 255, 255, 0.25);
            font-size: 0.7rem;
        }

        .breadcrumb-article .crumb-current {
            color: var(--accent-cyan);
            font-weight: 600;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 280px;
        }

        .article-hero-grid {
            position: relative;
            z-index: 2;
        }

        .article-hero-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-hero-title {
            font-size: clamp(1.7rem, 4vw, 2.7rem);
            font-weight: 850;
            letter-spacing: -0.025em;
            line-height: 1.22;
            color: var(--text-white);
            margin-bottom: 1rem;
        }

        .article-hero-excerpt {
            font-size: 1.05rem;
            color: var(--slate-ice);
            line-height: 1.65;
            margin-bottom: 1.2rem;
            max-width: 620px;
        }

        .article-meta-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
            margin-top: 0.25rem;
        }

        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.82rem;
            color: var(--slate-ice);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 30px;
            padding: 0.3rem 0.85rem;
        }

        .article-meta-item i {
            color: var(--accent-cyan);
            font-size: 0.75rem;
        }

        .article-hero-visual {
            position: relative;
            min-height: 280px;
        }

        .article-hero-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 40px rgba(37, 99, 235, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transform: translateY(-10px);
            height: 100%;
            min-height: 280px;
        }

        .article-hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }

        .article-hero-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.25) 0%, rgba(3, 7, 18, 0.35) 50%, rgba(56, 189, 248, 0.15) 100%);
            pointer-events: none;
        }

        .article-hero-chip {
            position: absolute;
            top: 1rem;
            right: 1rem;
            z-index: 3;
            background: rgba(3, 7, 18, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 30px;
            padding: 0.4rem 1rem;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.05em;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        @media (max-width: 991.98px) {
            .article-hero {
                padding-top: 2.5rem;
                padding-bottom: 2.2rem;
            }
            .article-hero-image-wrap {
                transform: translateY(0);
                margin-top: 1.5rem;
                min-height: 220px;
            }
            .article-hero-image-wrap img {
                min-height: 220px;
            }
        }

        @media (max-width: 575.98px) {
            .article-hero {
                padding-top: 2rem;
                padding-bottom: 1.8rem;
            }
            .article-hero-title {
                font-size: 1.5rem;
            }
            .article-meta-list {
                gap: 0.5rem;
            }
            .article-meta-item {
                font-size: 0.75rem;
                padding: 0.25rem 0.7rem;
            }
            .article-hero-image-wrap {
                min-height: 180px;
            }
            .article-hero-image-wrap img {
                min-height: 180px;
            }
        }

        /* ============ ARTICLE BODY ============ */
        .article-body-section {
            padding-top: 1rem;
            padding-bottom: 2.5rem;
            background: var(--bg-deep);
        }

        .article-body-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .article-body {
            font-size: 1.02rem;
            line-height: 1.7;
            color: rgba(248, 250, 252, 0.9);
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 750;
            letter-spacing: -0.015em;
            color: var(--text-white);
            margin-top: 2.2rem;
            margin-bottom: 0.85rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 650;
            color: var(--text-white);
            margin-top: 1.7rem;
            margin-bottom: 0.6rem;
        }

        .article-body p {
            margin-bottom: 1rem;
            color: rgba(248, 250, 252, 0.88);
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
            padding-left: 1.4rem;
            color: rgba(248, 250, 252, 0.85);
        }

        .article-body li {
            margin-bottom: 0.45rem;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
        }

        .article-body blockquote {
            border-left: 3px solid var(--accent-blue);
            padding: 1rem 1.25rem;
            margin: 1.5rem 0;
            background: rgba(37, 99, 235, 0.08);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--slate-ice);
            font-style: italic;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.92rem;
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .article-body table th {
            background: rgba(37, 99, 235, 0.18);
            color: var(--text-white);
            font-weight: 700;
            text-align: left;
            padding: 0.6rem 0.75rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-body table td {
            padding: 0.55rem 0.75rem;
            border: 1px solid rgba(255, 255, 255, 0.06);
            color: rgba(248, 250, 252, 0.82);
        }

        .article-not-found {
            text-align: center;
            padding: 3.5rem 1.5rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
        }

        .article-not-found i {
            font-size: 2.8rem;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
            opacity: 0.7;
        }

        .article-not-found h2 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .article-not-found p {
            color: var(--slate-ice);
            margin-bottom: 1.5rem;
        }

        /* ============ INFO TABLE ============ */
        .info-table-section {
            background: var(--bg-space);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .info-table-wrap {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.25rem;
        }

        .info-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.25rem;
            transition: all var(--transition-med);
        }

        .info-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
            background: var(--glass-hover);
            box-shadow: 0 0 24px rgba(37, 99, 235, 0.12);
        }

        .info-item-label {
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--slate-ice);
            margin-bottom: 0.45rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .info-item-label i {
            color: var(--accent-cyan);
            font-size: 0.7rem;
        }

        .info-item-value {
            font-size: 1rem;
            font-weight: 650;
            color: var(--text-white);
            line-height: 1.4;
        }

        /* ============ IMAGE CAROUSEL ============ */
        .carousel-section {
            background: var(--bg-deep);
        }

        .article-carousel {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(37, 99, 235, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-carousel .carousel-item img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/7;
            object-fit: cover;
        }

        .article-carousel .carousel-indicators [data-bs-target] {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            border: 2px solid rgba(56, 189, 248, 0.5);
            margin: 0 5px;
            transition: all var(--transition-fast);
        }

        .article-carousel .carousel-indicators .active {
            background: var(--accent-cyan);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
        }

        .article-carousel .carousel-control-prev,
        .article-carousel .carousel-control-next {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: rgba(3, 7, 18, 0.7);
            border: 1px solid rgba(56, 189, 248, 0.3);
            top: 50%;
            transform: translateY(-50%);
            margin: 0 0.8rem;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all var(--transition-fast);
        }

        .article-carousel .carousel-control-prev:hover,
        .article-carousel .carousel-control-next:hover {
            background: rgba(37, 99, 235, 0.5);
            border-color: var(--accent-cyan);
        }

        .article-carousel .carousel-control-prev-icon,
        .article-carousel .carousel-control-next-icon {
            width: 1rem;
            height: 1rem;
        }

        /* ============ STEPS ============ */
        .steps-section {
            background: var(--bg-space);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.25rem;
            counter-reset: step-counter;
        }

        .step-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.4rem;
            position: relative;
            transition: all var(--transition-med);
            counter-increment: step-counter;
        }

        .step-card::before {
            content: counter(step-counter, decimal-leading-zero);
            position: absolute;
            top: 0.85rem;
            right: 1rem;
            font-size: 2.2rem;
            font-weight: 850;
            color: rgba(56, 189, 248, 0.12);
            letter-spacing: -0.03em;
            line-height: 1;
            pointer-events: none;
        }

        .step-card:hover {
            border-color: rgba(56, 189, 248, 0.3);
            background: var(--glass-hover);
            box-shadow: 0 0 24px rgba(37, 99, 235, 0.12);
            transform: translateY(-3px);
        }

        .step-card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 11px;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.25);
            color: var(--accent-cyan);
            font-size: 1rem;
            margin-bottom: 0.85rem;
        }

        .step-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.4rem;
            letter-spacing: -0.01em;
        }

        .step-card p {
            font-size: 0.88rem;
            color: var(--slate-ice);
            margin-bottom: 0;
            line-height: 1.55;
        }

        /* ============ CATEGORY ENTRY ============ */
        .category-entry-section {
            background: var(--bg-deep);
        }

        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.25rem;
        }

        .category-entry-card {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.15rem;
            color: var(--text-white);
            transition: all var(--transition-med);
        }

        .category-entry-card:hover,
        .category-entry-card:focus {
            border-color: rgba(56, 189, 248, 0.3);
            background: var(--glass-hover);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3), 0 0 20px rgba(37, 99, 235, 0.1);
        }

        .category-entry-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.25);
            color: var(--accent-cyan);
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .category-entry-content {
            flex: 1;
            min-width: 0;
        }

        .category-entry-content h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.2rem;
            letter-spacing: -0.01em;
        }

        .category-entry-content span {
            font-size: 0.8rem;
            color: var(--slate-ice);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .category-entry-content span i {
            color: var(--accent-cyan);
            font-size: 0.65rem;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg-space);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

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

        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.25);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-weight: 650;
            font-size: 0.95rem;
            padding: 1.05rem 1.25rem;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: -0.01em;
        }

        .faq-question:hover,
        .faq-question:focus {
            color: var(--accent-cyan);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.25);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--accent-cyan);
            transition: all var(--transition-fast);
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            background: rgba(56, 189, 248, 0.2);
        }

        .faq-answer {
            padding: 0 1.25rem 1.1rem;
            font-size: 0.9rem;
            color: var(--slate-ice);
            line-height: 1.65;
        }

        /* ============ CTA ============ */
        .article-cta-section {
            background: var(--bg-deep);
        }

        .article-cta-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 2.8rem 2rem;
            background:
                linear-gradient(135deg, rgba(37, 99, 235, 0.35) 0%, rgba(3, 7, 18, 0.8) 45%, rgba(56, 189, 248, 0.2) 100%),
                var(--bg-space);
            border: 1px solid rgba(56, 189, 248, 0.2);
            text-align: center;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35), 0 0 40px rgba(37, 99, 235, 0.15);
        }

        .article-cta-wrap h2 {
            font-size: clamp(1.4rem, 3vw, 2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 0.7rem;
        }

        .article-cta-wrap p {
            font-size: 1rem;
            color: var(--slate-ice);
            max-width: 560px;
            margin: 0 auto 1.5rem;
            line-height: 1.6;
        }

        .article-cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.75rem;
        }

        @media (max-width: 575.98px) {
            .article-cta-wrap {
                padding: 2rem 1.2rem;
            }
            .article-cta-actions {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: rgba(3, 7, 18, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 3rem 0 1.8rem;
            margin-top: 0;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--text-white);
            margin-bottom: 0.8rem;
            white-space: nowrap;
        }

        .footer-brand:hover,
        .footer-brand:focus {
            color: var(--text-white);
        }

        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            font-size: 0.8rem;
        }

        .footer-desc {
            font-size: 0.87rem;
            color: var(--slate-ice);
            line-height: 1.65;
            max-width: 340px;
            margin-bottom: 1rem;
        }

        .footer-heading {
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--text-white);
            margin-bottom: 0.85rem;
        }

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

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            font-size: 0.86rem;
            color: var(--slate-ice);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .footer-links a:hover,
        .footer-links a:focus {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            margin-top: 2rem;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(148, 163, 184, 0.7);
            margin: 0;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-bottom-links a {
            font-size: 0.78rem;
            color: rgba(148, 163, 184, 0.7);
        }

        .footer-bottom-links a:hover,
        .footer-bottom-links a:focus {
            color: var(--accent-cyan);
        }

        @media (max-width: 991.98px) {
            .site-footer {
                padding-top: 2.5rem;
            }
        }

        /* ============ FAB ============ */
        .fab-cyber {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(7, 7, 13, 0.82), rgba(7, 7, 13, 0.82)), linear-gradient(135deg, #2563EB, #38BDF8);
            background-origin: padding-box, border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #38BDF8;
            font-size: 1.2rem;
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.45);
            transition: all var(--transition-med);
            opacity: 0.8;
            cursor: pointer;
        }

        .fab-cyber:hover,
        .fab-cyber:focus {
            opacity: 1;
            box-shadow: 0 0 35px rgba(56, 189, 248, 0.65), 0 0 60px rgba(37, 99, 235, 0.35);
            transform: scale(1.08);
            color: #38BDF8;
        }

        .fab-cyber:active {
            transform: scale(0.95);
        }

        .fab-notification {
            position: absolute;
            top: 3px;
            right: 3px;
            width: 11px;
            height: 11px;
            border-radius: 50%;
            background: #F43F5E;
            border: 2px solid #030712;
            animation: fab-pulse 2s infinite;
        }

        @keyframes fab-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(244, 63, 94, 0);
            }
        }

        @media (max-width: 575.98px) {
            .fab-cyber {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #030712;
            --bg-space: #081229;
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --holo-blue: #60A5FA;
            --text-white: #F8FAFC;
            --slate-ice: #94A3B8;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.09);
            --glass-hover: rgba(255, 255, 255, 0.07);
            --glow-blue: rgba(37, 99, 235, 0.45);
            --glow-cyan: rgba(56, 189, 248, 0.35);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 5rem;
            --font-body: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover,
        a:focus {
            color: var(--holo-blue);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin-left: auto;
            margin-right: auto;
        }
        .section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
            position: relative;
        }
        .section-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.12);
            padding: 0.35rem 0.85rem;
            border-radius: 30px;
            margin-bottom: 0.9rem;
            border: 1px solid rgba(56, 189, 248, 0.2);
        }
        .section-title {
            font-size: clamp(1.6rem, 3.2vw, 2.35rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            line-height: 1.25;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--slate-ice);
            line-height: 1.7;
            max-width: 720px;
        }
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: background var(--transition-med), border-color var(--transition-med), box-shadow var(--transition-med), transform var(--transition-med);
        }
        .glass-card:hover {
            background: var(--glass-hover);
            border-color: rgba(56, 189, 248, 0.25);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 24px rgba(37, 99, 235, 0.15);
        }
        .btn-glow {
            background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 45%, #38BDF8 100%);
            color: #FFFFFF !important;
            border: none;
            border-radius: 50px;
            padding: 0.8rem 1.85rem;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 22px var(--glow-blue), 0 0 40px rgba(37, 99, 235, 0.25);
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            white-space: nowrap;
        }
        .btn-glow:hover,
        .btn-glow:focus {
            transform: translateY(-2px);
            box-shadow: 0 10px 34px rgba(37, 99, 235, 0.55), 0 0 60px rgba(56, 189, 248, 0.4);
            color: #FFFFFF;
        }
        .btn-glow:active {
            transform: translateY(0);
        }
        .btn-ghost {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 50px;
            padding: 0.75rem 1.7rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .btn-ghost:hover,
        .btn-ghost:focus {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .neon-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--accent-cyan);
            border-radius: 50px;
            padding: 0.25rem 0.75rem;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            white-space: nowrap;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(3, 7, 18, 0.86);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            padding: 0.55rem 0;
        }
        .site-header .navbar {
            padding: 0;
            min-height: 56px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.01em;
            color: var(--text-white);
            text-decoration: none;
            white-space: nowrap;
        }
        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--text-white);
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #1D4ED8 0%, #38BDF8 100%);
            color: #ffffff;
            font-size: 0.95rem;
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.35);
        }
        .navbar-nav {
            gap: 0.35rem;
        }
        .nav-link {
            color: var(--slate-ice);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.5rem 0.85rem !important;
            border-radius: 8px;
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-link:hover,
        .nav-link:focus {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.1);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-nav-login {
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.4);
            color: var(--accent-cyan);
            border-radius: 50px;
            padding: 0.45rem 1.1rem;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-login:hover,
        .btn-nav-login:focus {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .btn-nav-signup {
            background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 45%, #38BDF8 100%);
            border: none;
            color: #FFFFFF;
            border-radius: 50px;
            padding: 0.45rem 1.3rem;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: 0 2px 14px var(--glow-blue);
            transition: all var(--transition-med);
            white-space: nowrap;
        }
        .btn-nav-signup:hover,
        .btn-nav-signup:focus {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(37, 99, 235, 0.5);
            color: #FFFFFF;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 0.4rem 0.6rem;
            border-radius: 8px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(248, 250, 252, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .hero-sports {
            position: relative;
            padding-top: 8rem;
            padding-bottom: 5rem;
            background: linear-gradient(180deg, rgba(3, 7, 18, 0.92) 0%, rgba(8, 18, 41, 0.96) 60%, var(--bg-deep) 100%);
            overflow: hidden;
        }
        .hero-sports::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/4af74a98914e5830.jpg') center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
            pointer-events: none;
        }
        .hero-sports::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(37, 99, 235, 0.25) 0%, transparent 60%);
            z-index: 0;
            pointer-events: none;
        }
        .hero-sports .container {
            position: relative;
            z-index: 1;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            color: var(--slate-ice);
            margin-bottom: 1.5rem;
        }
        .hero-breadcrumb a {
            color: var(--accent-cyan);
        }
        .hero-breadcrumb span.sep {
            opacity: 0.5;
        }
        .countdown-ring-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .countdown-ring {
            position: relative;
            width: 240px;
            height: 240px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .countdown-ring svg {
            transform: rotate(-90deg);
            width: 100%;
            height: 100%;
        }
        .countdown-ring .bg-circle {
            fill: none;
            stroke: rgba(255, 255, 255, 0.08);
            stroke-width: 6;
        }
        .countdown-ring .progress-circle {
            fill: none;
            stroke: url(#countdownGradient);
            stroke-width: 6;
            stroke-linecap: round;
            stroke-dasharray: 628.318;
            stroke-dashoffset: 628.318;
            transition: stroke-dashoffset 1s linear;
        }
        .countdown-center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 0.2rem;
        }
        .countdown-time {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .countdown-label {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--slate-ice);
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }
        .hero-points {
            margin-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.7rem;
        }
        .hero-point-item {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 50px;
            padding: 0.45rem 1rem;
            font-size: 0.84rem;
            font-weight: 500;
            color: #E2E8F0;
        }
        .hero-point-item i {
            color: var(--accent-cyan);
        }
        .pain-point-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }
        .pain-point-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            font-size: 0.95rem;
            color: #D1D5DB;
            padding: 0.85rem 1.1rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
        }
        .pain-point-list li i {
            color: #F87171;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }
        .solution-feature {
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
            padding: 1.5rem;
            height: 100%;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            transition: all var(--transition-med);
        }
        .solution-feature:hover {
            background: var(--glass-hover);
            border-color: rgba(56, 189, 248, 0.25);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(56, 189, 248, 0.12);
            transform: translateY(-2px);
        }
        .solution-feature .feature-icon {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.15);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--accent-cyan);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .solution-feature h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0;
        }
        .solution-feature p {
            font-size: 0.88rem;
            color: var(--slate-ice);
            margin: 0;
            line-height: 1.6;
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.1rem;
            background: linear-gradient(135deg, #1D4ED8, #38BDF8);
            color: #fff;
            box-shadow: 0 4px 18px rgba(37, 99, 235, 0.35);
            flex-shrink: 0;
        }
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.3rem;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--slate-ice);
            margin: 0;
        }
        .stat-item {
            text-align: left;
            padding: 1.5rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            letter-spacing: -0.03em;
            line-height: 1.1;
            margin-bottom: 0.3rem;
        }
        .stat-label {
            font-size: 0.82rem;
            color: var(--slate-ice);
            font-weight: 500;
        }
        .testimonial-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            height: 100%;
            transition: all var(--transition-med);
        }
        .testimonial-card:hover {
            border-color: rgba(56, 189, 248, 0.25);
            background: var(--glass-hover);
        }
        .testimonial-quote {
            font-size: 0.92rem;
            color: #D1D5DB;
            line-height: 1.7;
            margin-bottom: 1rem;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .testimonial-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1D4ED8, #38BDF8);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-white);
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--slate-ice);
        }
        .audience-item {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            padding: 1rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .audience-item:hover {
            background: var(--glass-hover);
            border-color: rgba(56, 189, 248, 0.25);
        }
        .audience-item i {
            color: var(--accent-cyan);
            margin-top: 0.2rem;
            flex-shrink: 0;
        }
        .audience-item span {
            font-size: 0.9rem;
            color: #E2E8F0;
        }
        .news-card {
            height: 100%;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-med);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: rgba(56, 189, 248, 0.3);
            background: var(--glass-hover);
            transform: translateY(-3px);
            box-shadow: 0 10px 35px rgba(0, 0, 0, 0.35);
        }
        .news-card .news-thumb {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .news-card .news-body {
            padding: 1.2rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            flex: 1;
        }
        .news-card .news-category {
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
        }
        .news-card .news-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.4;
            margin: 0;
        }
        .news-card .news-excerpt {
            font-size: 0.84rem;
            color: var(--slate-ice);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }
        .news-card .news-meta {
            font-size: 0.75rem;
            color: var(--slate-ice);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .news-card a {
            text-decoration: none;
            color: inherit;
            display: block;
        }
        .news-card a:hover .news-title {
            color: var(--accent-cyan);
        }
        .cta-panel {
            background: linear-gradient(140deg, rgba(37, 99, 235, 0.18) 0%, rgba(8, 18, 41, 0.9) 40%, rgba(3, 7, 18, 0.95) 100%);
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 0 60px rgba(37, 99, 235, 0.15);
        }
        .cta-panel h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.1rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }
        .cta-panel p {
            font-size: 0.95rem;
            color: var(--slate-ice);
            max-width: 600px;
            margin-bottom: 1.5rem;
        }
        .site-footer {
            background: #02040A;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 3.5rem;
            padding-bottom: 2rem;
            margin-top: 2rem;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-white);
            text-decoration: none;
            margin-bottom: 0.8rem;
        }
        .footer-brand:hover,
        .footer-brand:focus {
            color: var(--text-white);
        }
        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, #1D4ED8 0%, #38BDF8 100%);
            color: #fff;
            font-size: 0.9rem;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--slate-ice);
            line-height: 1.65;
            max-width: 340px;
        }
        .footer-heading {
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 0.9rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--slate-ice);
            text-decoration: none;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
        }
        .footer-links a:hover,
        .footer-links a:focus {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 2rem;
            padding-top: 1.2rem;
            font-size: 0.75rem;
            color: var(--slate-ice);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
        }
        .footer-bottom .legal-links {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: var(--slate-ice);
            font-size: 0.75rem;
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }
        .fixed-fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(7, 7, 13, 0.85), rgba(7, 7, 13, 0.85)), linear-gradient(135deg, #A3E635, #06B6D4);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            color: var(--accent-cyan);
            font-size: 1.2rem;
            box-shadow: 0 0 25px rgba(6, 182, 212, 0.4);
            opacity: 0.75;
            transition: all var(--transition-med);
            animation: fabBreathe 3s ease-in-out infinite;
        }
        .fixed-fab:hover,
        .fixed-fab:focus {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 40px rgba(6, 182, 212, 0.6);
            color: #fff;
        }
        .fixed-fab:active {
            transform: scale(0.95);
        }
        .fixed-fab .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #F43F5E;
            border: 2px solid #07070D;
            animation: fabPulse 2s ease-in-out infinite;
        }
        @keyframes fabBreathe {
            0%, 100% { box-shadow: 0 0 20px rgba(6, 182, 212, 0.35); }
            50% { box-shadow: 0 0 35px rgba(6, 182, 212, 0.55); }
        }
        @keyframes fabPulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(3, 7, 18, 0.96);
                border-radius: 12px;
                padding: 1rem;
                margin-top: 0.6rem;
                border: 1px solid rgba(255, 255, 255, 0.07);
            }
            .navbar-nav {
                gap: 0.2rem;
            }
            .nav-actions {
                margin-right: 0.6rem;
            }
            .hero-sports {
                padding-top: 7rem;
                padding-bottom: 3.5rem;
            }
            .countdown-ring {
                width: 190px;
                height: 190px;
            }
            .countdown-time {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 767.98px) {
            .section {
                padding-top: 3.5rem;
                padding-bottom: 3.5rem;
            }
            .hero-sports {
                padding-top: 6.5rem;
                padding-bottom: 3rem;
            }
            .cta-panel {
                padding: 1.8rem 1.2rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .btn-nav-login,
            .btn-nav-signup {
                padding: 0.4rem 0.85rem;
                font-size: 0.78rem;
            }
            .brand-logo {
                font-size: 1rem;
            }
            .brand-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 1.2rem;
                padding-right: 1.2rem;
            }
            .hero-points {
                flex-direction: column;
            }
            .hero-point-item {
                font-size: 0.8rem;
                padding: 0.35rem 0.8rem;
            }
            .countdown-ring {
                width: 160px;
                height: 160px;
            }
            .countdown-time {
                font-size: 1.2rem;
            }
            .countdown-label {
                font-size: 0.65rem;
            }
            .navbar-toggler {
                padding: 0.3rem 0.5rem;
            }
            .btn-nav-login,
            .btn-nav-signup {
                padding: 0.35rem 0.7rem;
                font-size: 0.72rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #030712;
            --bg-space: #081229;
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --holo-blue: #60A5FA;
            --text-white: #F8FAFC;
            --slate-ice: #94A3B8;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.09);
            --glass-hover: rgba(255, 255, 255, 0.07);
            --glow-blue: rgba(37, 99, 235, 0.45);
            --glow-cyan: rgba(56, 189, 248, 0.35);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 5rem;
            --font-body: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover,
        a:focus {
            color: var(--holo-blue);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
        }
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin-left: auto;
            margin-right: auto;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1200px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }
        .section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
            position: relative;
        }
        .section-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.12);
            padding: 0.35rem 0.85rem;
            border-radius: 30px;
            margin-bottom: 0.9rem;
            border: 1px solid rgba(56, 189, 248, 0.2);
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.25rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            line-height: 1.25;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--slate-ice);
            line-height: 1.65;
            max-width: 720px;
        }
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: background var(--transition-med), border-color var(--transition-med), box-shadow var(--transition-med), transform var(--transition-med);
        }
        .glass-card:hover {
            background: var(--glass-hover);
            border-color: rgba(56, 189, 248, 0.25);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 24px rgba(37, 99, 235, 0.15);
        }
        .btn-glow {
            background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 45%, #38BDF8 100%);
            color: #FFFFFF !important;
            border: none;
            border-radius: 50px;
            padding: 0.75rem 1.75rem;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 20px var(--glow-blue), 0 0 40px rgba(37, 99, 235, 0.25);
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .btn-glow:hover,
        .btn-glow:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(37, 99, 235, 0.55), 0 0 60px rgba(56, 189, 248, 0.35);
            color: #FFFFFF;
        }
        .btn-glow:active {
            transform: translateY(0);
        }
        .btn-ghost {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 50px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .btn-ghost:hover,
        .btn-ghost:focus {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .neon-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--accent-cyan);
            border-radius: 50px;
            padding: 0.25rem 0.75rem;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }
        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(3, 7, 18, 0.88);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            padding: 0.6rem 0;
        }
        .navbar {
            padding: 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--text-white) !important;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--accent-cyan) !important;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #1D4ED8, #38BDF8);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 0.95rem;
            box-shadow: 0 0 18px rgba(56, 189, 248, 0.4);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn-nav-login {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(56, 189, 248, 0.4);
            border-radius: 50px;
            padding: 0.45rem 1.1rem;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-login:hover,
        .btn-nav-login:focus {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .btn-nav-signup {
            background: linear-gradient(135deg, #1D4ED8, #38BDF8);
            color: #FFFFFF;
            border: none;
            border-radius: 50px;
            padding: 0.45rem 1.2rem;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-signup:hover,
        .btn-nav-signup:focus {
            transform: translateY(-1px);
            box-shadow: 0 0 22px rgba(56, 189, 248, 0.55);
            color: #FFFFFF;
        }
        .navbar-nav .nav-link {
            color: var(--slate-ice);
            font-weight: 600;
            font-size: 0.88rem;
            padding: 0.5rem 1rem !important;
            border-radius: 50px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.14);
            border: 1px solid rgba(56, 189, 248, 0.25);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 0.4rem 0.6rem;
            margin-left: 0.5rem;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.5);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(248,250,252,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        /* Hero */
        .hero-vip {
            padding-top: 7.5rem;
            padding-bottom: 4.5rem;
            background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-space) 55%, var(--bg-deep) 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .hero-vip::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.18) 0%, transparent 65%);
            pointer-events: none;
        }
        .hero-vip::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }
        .hero-vip .wrapper {
            position: relative;
            z-index: 2;
        }
        .hero-title-vip {
            font-size: clamp(1.9rem, 4.5vw, 3rem);
            font-weight: 900;
            letter-spacing: -0.025em;
            color: var(--text-white);
            line-height: 1.18;
            margin-bottom: 1.2rem;
        }
        .hero-title-vip .gradient-text {
            background: linear-gradient(135deg, #38BDF8, #60A5FA, #2563EB);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-lead-vip {
            font-size: 1.08rem;
            color: var(--slate-ice);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 1.8rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.9rem;
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            opacity: 0.92;
        }
        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3, 7, 18, 0.15) 0%, rgba(3, 7, 18, 0.45) 100%);
            pointer-events: none;
        }
        /* Feature cards */
        .feature-vip-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.6rem 1.5rem;
            height: 100%;
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }
        .feature-vip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
            opacity: 0;
            transition: opacity var(--transition-med);
        }
        .feature-vip-card:hover {
            border-color: rgba(56, 189, 248, 0.3);
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3), 0 0 22px rgba(37, 99, 235, 0.18);
        }
        .feature-vip-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(56, 189, 248, 0.15));
            border: 1px solid rgba(56, 189, 248, 0.3);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-cyan);
            margin-bottom: 1.1rem;
        }
        .feature-vip-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .feature-vip-card p {
            font-size: 0.88rem;
            color: var(--slate-ice);
            line-height: 1.6;
            margin-bottom: 0;
        }
        /* Scenario rows */
        .scenario-row {
            display: flex;
            gap: 1.5rem;
            padding: 1.5rem 1.25rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            transition: all var(--transition-med);
            height: 100%;
            align-items: flex-start;
        }
        .scenario-row:hover {
            border-color: rgba(56, 189, 248, 0.3);
            background: var(--glass-hover);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
        }
        .scenario-num {
            flex-shrink: 0;
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: linear-gradient(135deg, #1D4ED8, #38BDF8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.05rem;
            color: #FFFFFF;
            box-shadow: 0 0 16px rgba(37, 99, 235, 0.35);
        }
        .scenario-row h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.35rem;
        }
        .scenario-row p {
            font-size: 0.88rem;
            color: var(--slate-ice);
            line-height: 1.6;
            margin-bottom: 0;
        }
        /* Steps */
        .step-item {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            padding: 1.4rem 1.2rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            transition: all var(--transition-med);
            height: 100%;
        }
        .step-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
            background: var(--glass-hover);
        }
        .step-dot {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(56, 189, 248, 0.15);
            border: 1px solid rgba(56, 189, 248, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-cyan);
        }
        .step-item h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.3rem;
        }
        .step-item p {
            font-size: 0.87rem;
            color: var(--slate-ice);
            line-height: 1.6;
            margin-bottom: 0;
        }
        /* Stats */
        .stat-vip-card {
            text-align: left;
            padding: 1.4rem 1.5rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            transition: all var(--transition-med);
            height: 100%;
        }
        .stat-vip-card:hover {
            border-color: rgba(56, 189, 248, 0.3);
            background: var(--glass-hover);
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.12);
        }
        .stat-value {
            font-size: clamp(1.8rem, 3.2vw, 2.4rem);
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--accent-cyan);
            line-height: 1.2;
            margin-bottom: 0.35rem;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--slate-ice);
            font-weight: 500;
        }
        /* News list */
        .news-list-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.4rem;
            transition: all var(--transition-med);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-list-card:hover {
            border-color: rgba(56, 189, 248, 0.3);
            background: var(--glass-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        }
        .news-list-card .news-tag {
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.6rem;
        }
        .news-list-card h3 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.45;
            margin-bottom: 0.5rem;
        }
        .news-list-card p {
            font-size: 0.85rem;
            color: var(--slate-ice);
            line-height: 1.6;
            margin-bottom: 0.8rem;
            flex-grow: 1;
        }
        .news-list-card .news-date {
            font-size: 0.78rem;
            color: var(--slate-ice);
            opacity: 0.7;
        }
        /* FAQ */
        .accordion-vip .accordion-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.85rem;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .accordion-vip .accordion-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
        }
        .accordion-vip .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 1.15rem 1.3rem;
            box-shadow: none;
            border: none;
        }
        .accordion-vip .accordion-button:not(.collapsed) {
            background: rgba(56, 189, 248, 0.08);
            color: var(--accent-cyan);
            box-shadow: none;
        }
        .accordion-vip .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.5);
        }
        .accordion-vip .accordion-button::after {
            background-size: 1.1rem;
            filter: invert(70%) sepia(50%) saturate(400%) hue-rotate(170deg);
        }
        .accordion-vip .accordion-body {
            padding: 0.4rem 1.3rem 1.3rem;
            color: var(--slate-ice);
            font-size: 0.9rem;
            line-height: 1.65;
        }
        /* CTA area */
        .cta-vip-box {
            background: linear-gradient(135deg, rgba(29, 78, 216, 0.2) 0%, rgba(56, 189, 248, 0.12) 100%);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: var(--radius-lg);
            padding: 2.8rem 2rem;
            position: relative;
            overflow: hidden;
        }
        .cta-vip-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-vip-box h2 {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 0.7rem;
            position: relative;
            z-index: 2;
        }
        .cta-vip-box p {
            font-size: 0.96rem;
            color: var(--slate-ice);
            line-height: 1.65;
            max-width: 560px;
            margin-bottom: 1.4rem;
            position: relative;
            z-index: 2;
        }
        .cta-vip-box .btn-glow {
            position: relative;
            z-index: 2;
        }
        /* Footer */
        .site-footer {
            background: rgba(3, 7, 18, 0.88);
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 3.5rem 0 1.8rem;
            margin-top: 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-white) !important;
            margin-bottom: 0.95rem;
        }
        .footer-brand:hover {
            color: var(--accent-cyan) !important;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--slate-ice);
            line-height: 1.65;
            max-width: 360px;
            margin-bottom: 0;
        }
        .footer-heading {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.55rem;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--slate-ice);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 2rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8rem;
            color: var(--slate-ice);
            opacity: 0.75;
        }
        /* FAB */
        .fab-floating {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 950;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(7, 7, 13, 0.85), rgba(7, 7, 13, 0.85)), linear-gradient(135deg, #A3E635, #06B6D4, #2563EB);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45), 0 6px 25px rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            transition: all var(--transition-med);
            opacity: 0.75;
            animation: fabPulse 2.8s ease-in-out infinite;
            cursor: pointer;
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(7, 7, 13, 0.85), rgba(7, 7, 13, 0.85)), linear-gradient(135deg, #A3E635, #06B6D4, #2563EB);
            background-origin: border-box;
            background-clip: padding-box, border-box;
        }
        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.65), 0 8px 30px rgba(0, 0, 0, 0.55);
            color: #FFFFFF;
        }
        .fab-floating:active {
            transform: scale(0.95);
        }
        .fab-floating .fab-noti {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #EF4444;
            border-radius: 50%;
            border: 2px solid #FFFFFF;
            animation: notiBlink 1.6s ease-in-out infinite;
        }
        @keyframes fabPulse {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }
        @keyframes notiBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        /* Responsive */
        @media (max-width: 991.98px) {
            .nav-actions {
                order: 0;
            }
            .navbar-toggler {
                order: 1;
            }
            .navbar-collapse {
                margin-top: 0.8rem;
                background: rgba(3, 7, 18, 0.96);
                border-radius: var(--radius-md);
                padding: 1rem;
                border: 1px solid var(--glass-border);
            }
            .navbar-nav .nav-link {
                padding: 0.8rem 1rem !important;
                border-radius: var(--radius-sm);
            }
            .hero-vip {
                padding-top: 6.5rem;
                padding-bottom: 3.5rem;
            }
            .hero-visual img {
                min-height: 260px;
            }
            .section {
                padding-top: 3.8rem;
                padding-bottom: 3.8rem;
            }
        }
        @media (max-width: 575.98px) {
            :root {
                --spacing-section: 3.2rem;
            }
            .btn-nav-login,
            .btn-nav-signup {
                padding: 0.4rem 0.85rem;
                font-size: 0.78rem;
            }
            .brand-logo {
                font-size: 1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
                border-radius: 8px;
            }
            .hero-title-vip {
                font-size: 1.65rem;
            }
            .hero-lead-vip {
                font-size: 0.96rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 0.65rem;
            }
            .btn-glow,
            .btn-ghost {
                width: 100%;
                justify-content: center;
                padding: 0.7rem 1.2rem;
                font-size: 0.88rem;
            }
            .fab-floating {
                width: 50px;
                height: 50px;
                font-size: 1.1rem;
                left: 0.75rem;
                bottom: 5rem;
            }
            .cta-vip-box {
                padding: 2rem 1.4rem;
            }
            .footer-desc {
                font-size: 0.82rem;
            }
        }
        @media (min-width: 576px) and (max-width: 767.98px) {
            .hero-title-vip {
                font-size: 2rem;
            }
            .fab-floating {
                width: 54px;
                height: 54px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}