/* roulang page: index */
:root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #8A93A6;
            --glass-bg: rgba(13, 17, 30, 0.75);
            --glass-bg-light: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(0, 240, 255, 0.3);
            --border-radius-sm: 8px;
            --border-radius-md: 14px;
            --border-radius-lg: 22px;
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.4);
            --shadow-strong: 0 8px 32px rgba(0, 0, 0, 0.5);
            --transition: all 0.25s ease;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-navy) 70%);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover,
        a:focus {
            color: #fff;
            text-shadow: 0 0 8px rgba(0, 240, 255, 0.8);
            outline: none;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
        }

        .logo i {
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }

        .logo span {
            letter-spacing: 0.5px;
        }

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

        .nav-links a {
            position: relative;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-silver);
            padding: 8px 0;
        }

        .nav-links a.active {
            color: var(--accent-cyan);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 12px var(--accent-cyan);
        }

        .nav-links a:hover {
            color: #fff;
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            color: var(--text-silver);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .btn-login:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 8px;
            box-shadow: 0 0 18px rgba(0, 82, 255, 0.5);
            transition: var(--transition);
            border: none;
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-nav-toggle {
            display: none;
            font-size: 1.8rem;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(8,9,15,0.95) 0%, rgba(13,17,30,0.85) 40%, rgba(0,82,255,0.3) 100%);
            z-index: -1;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #fff 30%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-silver);
            max-width: 600px;
            margin-bottom: 28px;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 24px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 1rem;
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.8);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(0, 240, 255, 0.4);
            color: #fff;
            font-weight: 500;
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 1rem;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
            color: #fff;
        }

        .trust-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .trust-bar span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .trust-bar i {
            color: var(--accent-cyan);
        }

        .hero-panel {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: var(--border-radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-strong);
        }

        .hero-panel h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #fff;
        }

        .feature-list {
            list-style: none;
            margin-bottom: 24px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 14px;
            color: var(--text-silver);
        }

        .feature-list i {
            color: var(--accent-cyan);
            font-size: 1.2rem;
            margin-top: 2px;
        }

        .micro-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 20px;
        }

        .stat-box {
            text-align: center;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--border-radius-sm);
            padding: 14px;
        }

        .stat-box strong {
            display: block;
            font-size: 1.4rem;
            color: var(--accent-cyan);
        }

        .stat-box span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Section Common */
        .section {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            color: var(--text-silver);
            font-size: 1.05rem;
            max-width: 700px;
            line-height: 1.65;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }

        /* Content Calendar / Countdown */
        .calendar-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .countdown-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--border-radius-md);
            padding: 32px;
            box-shadow: var(--shadow-strong);
        }

        .countdown-card h3 {
            font-size: 1.3rem;
            margin-bottom: 16px;
            color: #fff;
        }

        .countdown-timer {
            display: flex;
            gap: 12px;
            margin: 20px 0;
        }

        .timer-box {
            text-align: center;
            background: rgba(0, 0, 0, 0.3);
            border-radius: 8px;
            padding: 12px;
            min-width: 70px;
        }

        .timer-box strong {
            display: block;
            font-size: 1.8rem;
            color: var(--accent-cyan);
        }

        .timer-box span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .event-list {
            list-style: none;
        }

        .event-list li {
            display: flex;
            gap: 16px;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .event-date {
            min-width: 60px;
            text-align: center;
            background: rgba(0, 240, 255, 0.1);
            border-radius: 8px;
            padding: 8px 10px;
            font-weight: 600;
        }

        .event-desc {
            color: var(--text-silver);
        }

        /* Hot Topics Cards */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .topic-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--border-radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .topic-card:hover {
            transform: translateY(-8px);
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 12px 40px rgba(0, 240, 255, 0.2);
        }

        .topic-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .topic-card-body {
            padding: 24px;
        }

        .topic-card-body h3 {
            font-size: 1.25rem;
            margin-bottom: 8px;
            color: #fff;
        }

        .topic-card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .topic-link {
            font-weight: 500;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Data Dashboard */
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dashboard-card {
            background: var(--glass-bg);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--border-radius-md);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }

        .dashboard-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
        }

        .dashboard-card i {
            font-size: 2rem;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }

        .dashboard-card strong {
            display: block;
            font-size: 2rem;
            color: #fff;
            margin-bottom: 4px;
        }

        .dashboard-card span {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* News Section */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 0.5fr;
            gap: 32px;
        }

        .news-list {
            list-style: none;
        }

        .news-item {
            padding: 20px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .news-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .news-item h3 a {
            color: #fff;
        }

        .news-item h3 a:hover {
            color: var(--accent-cyan);
        }

        .news-meta {
            display: flex;
            gap: 16px;
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 8px;
        }

        .news-summary {
            color: var(--text-silver);
            font-size: 0.95rem;
        }

        .news-sidebar {
            background: var(--glass-bg);
            border-radius: var(--border-radius-md);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            height: max-content;
        }

        .news-sidebar h4 {
            font-size: 1.1rem;
            margin-bottom: 16px;
            color: #fff;
        }

        .sidebar-list {
            list-style: none;
        }

        .sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .sidebar-list a {
            color: var(--text-silver);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        /* Usage Guide */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            position: relative;
            padding-left: 60px;
        }

        .step-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.5);
        }

        .step-card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: #fff;
        }

        .step-card p {
            color: var(--text-silver);
            font-size: 0.9rem;
        }

        /* Footer */
        .site-footer {
            background: rgba(8, 9, 15, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 40px 0 20px;
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 12px;
        }

        .footer-col h4 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 600;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-bottom .legal-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom .legal-links a {
            color: var(--text-muted);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan)) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.6;
            transition: all 0.3s ease;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            color: var(--accent-cyan);
        }

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

        .fab .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #08090F;
            animation: blink 2s infinite;
        }

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
            }
            .topics-grid,
            .dashboard-grid,
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                border-bottom: 1px solid rgba(0, 240, 255, 0.3);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .auth-buttons {
                gap: 8px;
            }
            .btn-signup, .btn-login {
                padding: 8px 12px;
                font-size: 0.85rem;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .hero-content {
                gap: 24px;
            }
            .calendar-grid,
            .news-layout {
                grid-template-columns: 1fr;
            }
            .topics-grid,
            .dashboard-grid,
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .hero-cta {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .micro-stats {
                grid-template-columns: 1fr;
            }
            .trust-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .section {
                padding: 60px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.72);
            --bg-glass: rgba(13, 17, 30, 0.55);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-purple: #6C3BF4;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #7C8BA0;
            --border-glow: 1px solid rgba(0, 240, 255, 0.3);
            --shadow-glow: 0 0 25px rgba(0, 82, 255, 0.18), 0 0 12px rgba(0, 240, 255, 0.08);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --space-1: 8px;
            --space-2: 16px;
            --space-3: 24px;
            --space-4: 32px;
            --space-5: 48px;
            --space-6: 64px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 15% 25%, rgba(0, 82, 255, 0.08) 0%, transparent 28%),
                radial-gradient(circle at 85% 60%, rgba(0, 240, 255, 0.06) 0%, transparent 30%),
                linear-gradient(180deg, #08090F 0%, #0D111E 100%);
        }

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

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }

        a:hover,
        a:focus {
            color: var(--text-white);
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--space-3);
            padding-right: var(--space-3);
        }

        /* Header Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--space-3);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--text-white);
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-cyan);
            font-size: 1.8rem;
            filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.7));
        }

        .logo span {
            background: linear-gradient(135deg, #fff 0%, #cbd5e1 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--space-3);
        }

        .nav-links a {
            color: var(--text-silver);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 40px;
            transition: all 0.25s ease;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.12);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.15);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--accent-cyan);
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 8px;
        }

        .btn-login,
        .btn-signup {
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 18px;
            border-radius: 40px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-login {
            color: var(--text-silver);
            background: transparent;
            border: none;
        }

        .btn-login:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }

        .btn-signup {
            background: var(--accent-blue);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 0 18px rgba(0, 82, 255, 0.45);
        }

        .btn-signup:hover {
            background: #0040cc;
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.5);
            transform: translateY(-1px);
        }

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

        /* Article Hero Section */
        .article-hero {
            padding-top: 140px;
            padding-bottom: var(--space-5);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.85) 0%, rgba(8, 9, 15, 0.98) 100%);
            z-index: 1;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: var(--space-3);
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .breadcrumb a {
            color: var(--accent-cyan);
            font-weight: 500;
        }

        .breadcrumb i {
            font-size: 0.7rem;
            opacity: 0.7;
        }

        .article-category-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 40px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: var(--space-2);
            border: 1px solid rgba(0, 240, 255, 0.35);
        }

        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: var(--space-3);
            max-width: 800px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--space-2);
            color: var(--text-silver);
            font-size: 0.95rem;
            margin-bottom: var(--space-4);
        }

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

        .article-meta i {
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

        .article-excerpt {
            font-size: 1.15rem;
            line-height: 1.7;
            color: #E2E8F0;
            max-width: 780px;
            border-left: 3px solid var(--accent-cyan);
            padding-left: var(--space-3);
            background: rgba(0, 240, 255, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        /* Main Content Area */
        .article-main {
            padding: var(--space-5) 0;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr);
            gap: var(--space-4);
        }

        .article-body {
            max-width: 720px;
            width: 100%;
            margin: 0 auto;
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: var(--border-glow);
            border-radius: var(--radius-lg);
            padding: var(--space-4);
            box-shadow: var(--shadow-glow);
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.7;
            color: #D1D5DB;
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: var(--text-white);
            font-weight: 800;
            line-height: 1.35;
            margin-top: var(--space-4);
            margin-bottom: var(--space-2);
        }

        .article-content h2 {
            font-size: 1.8rem;
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 1.45rem;
        }

        .article-content h4 {
            font-size: 1.2rem;
        }

        .article-content p {
            margin-bottom: var(--space-3);
        }

        .article-content ul,
        .article-content ol {
            margin-left: var(--space-3);
            margin-bottom: var(--space-3);
        }

        .article-content li {
            margin-bottom: var(--space-1);
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: var(--space-3) 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-blue);
            background: rgba(0, 82, 255, 0.08);
            padding: var(--space-2) var(--space-3);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: var(--space-4) 0;
            color: #E2E8F0;
            font-style: italic;
        }

        .article-not-found {
            text-align: center;
            padding: var(--space-5) var(--space-3);
        }

        .article-not-found i {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: var(--space-3);
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            color: var(--text-white);
            margin-bottom: var(--space-2);
        }

        .article-not-found p {
            color: var(--text-silver);
            margin-bottom: var(--space-4);
        }

        .btn-back-home {
            display: inline-block;
            background: var(--accent-blue);
            color: #fff;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 40px;
            box-shadow: 0 0 20px rgba(0, 82, 255, 0.4);
            transition: all 0.3s ease;
        }

        .btn-back-home:hover {
            background: #0040cc;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        /* Related Games Section */
        .related-games {
            padding: var(--space-5) 0;
        }

        .section-header {
            margin-bottom: var(--space-4);
        }

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-white);
            margin-bottom: var(--space-1);
        }

        .section-header p {
            color: var(--text-silver);
            max-width: 600px;
        }

        .game-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
            gap: var(--space-3);
        }

        .game-card {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            position: relative;
        }

        .game-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 240, 255, 0.45);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.18), 0 18px 35px rgba(0, 0, 0, 0.4);
        }

        .game-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .game-card-body {
            padding: var(--space-2);
        }

        .game-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .game-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .game-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            padding: 4px 12px;
            border-radius: 40px;
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        /* FAQ Section */
        .faq-section {
            padding: var(--space-5) 0;
        }

        .faq-list {
            max-width: 720px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-2);
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.08);
        }

        .faq-question {
            padding: var(--space-2) var(--space-3);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            color: var(--text-white);
            font-size: 1.05rem;
            transition: color 0.25s ease;
        }

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

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent-cyan);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-silver);
            padding: 0 var(--space-3);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-3) var(--space-3);
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        /* CTA Section */
        .cta-section {
            padding: var(--space-6) 0;
            text-align: center;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.18), rgba(0, 240, 255, 0.08));
            backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: var(--radius-xl);
            padding: var(--space-5) var(--space-4);
            max-width: 780px;
            margin: 0 auto;
            box-shadow: 0 0 40px rgba(0, 82, 255, 0.2);
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.01em;
            color: var(--text-white);
            margin-bottom: var(--space-2);
        }

        .cta-box p {
            color: #D1D5DB;
            max-width: 560px;
            margin: 0 auto var(--space-4);
            font-size: 1.05rem;
        }

        .btn-primary-glow {
            display: inline-block;
            background: var(--accent-blue);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            padding: 16px 36px;
            border-radius: 40px;
            box-shadow: 0 0 28px rgba(0, 82, 255, 0.55);
            transition: all 0.35s ease;
            letter-spacing: 0.01em;
        }

        .btn-primary-glow:hover {
            background: #0040cc;
            box-shadow: 0 0 42px rgba(0, 240, 255, 0.6);
            transform: translateY(-3px);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: rgba(8, 9, 15, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: var(--space-6) 0 var(--space-3);
            margin-top: var(--space-5);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--space-4);
            margin-bottom: var(--space-5);
        }

        .footer-brand .logo {
            margin-bottom: var(--space-2);
            font-size: 1.2rem;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 340px;
        }

        .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--space-2);
        }

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

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

        .footer-col ul li a {
            color: var(--text-silver);
            font-size: 0.9rem;
            transition: all 0.25s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: var(--space-3);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: var(--space-2);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .legal-links {
            display: flex;
            gap: var(--space-3);
        }

        .legal-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 600;
        }

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

        /* FAB - Cyber & Neon Style (Option 2) */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50px;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.65)), 
                              linear-gradient(135deg, #CCFF00, #0052FF, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4), 0 4px 16px rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            opacity: 0.6;
            text-decoration: none;
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7), 0 8px 25px rgba(0, 0, 0, 0.6);
            color: #fff;
        }

        .fab-left:active {
            transform: scale(0.95);
            box-shadow: 0 0 18px rgba(255, 0, 127, 0.6);
        }

        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid #08090F;
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.8);
            animation: fab-blink 1.8s infinite;
        }

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: var(--space-3);
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .auth-buttons {
                flex-direction: column;
                width: 100%;
                gap: 8px;
                margin-left: 0;
            }
            .btn-login,
            .btn-signup {
                width: 100%;
                text-align: center;
            }
            .article-hero {
                padding-top: 110px;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-body {
                padding: var(--space-3);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-3);
            }
            .fab-left {
                width: 50px;
                height: 50px;
                bottom: 5rem;
                left: 0.8rem;
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.5rem;
            }
            .article-excerpt {
                font-size: 1rem;
            }
            .game-cards {
                grid-template-columns: 1fr;
            }
            .cta-box h2 {
                font-size: 1.6rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --surface-glass: rgba(13, 17, 30, 0.72);
            --surface-glass-light: rgba(18, 25, 45, 0.55);
            --electric-blue: #0052FF;
            --neon-cyan: #00F0FF;
            --neon-cyan-glow: rgba(0, 240, 255, 0.45);
            --deep-blue-glow: rgba(0, 82, 255, 0.35);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #7C8BA1;
            --border-glass: rgba(0, 240, 255, 0.18);
            --border-glow: rgba(0, 240, 255, 0.55);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px var(--neon-cyan-glow);
            --shadow-glow-blue: 0 0 28px var(--deep-blue-glow);
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', 'Segoe UI', 'Helvetica Neue', 'Arial', sans-serif;
            --font-viet: 'Be Vietnam Pro', 'Inter', 'Segoe UI', sans-serif;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-viet);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background-color: var(--primary-bg);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(0, 82, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 90%, rgba(0, 240, 255, 0.05) 0%, transparent 55%),
                linear-gradient(180deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--neon-cyan);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.12rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .logo i {
            color: var(--neon-cyan);
            font-size: 1.3rem;
            filter: drop-shadow(0 0 8px var(--neon-cyan-glow));
        }

        .logo span {
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 70%, var(--neon-cyan) 130%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a:not(.btn-login):not(.btn-signup) {
            position: relative;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 2px;
            transition: color var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .nav-links a:not(.btn-login):not(.btn-signup)::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--neon-cyan), var(--electric-blue));
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }

        .nav-links a:not(.btn-login):not(.btn-signup):hover {
            color: var(--neon-cyan);
        }

        .nav-links a:not(.btn-login):not(.btn-signup):hover::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--neon-cyan);
        }

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

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
        }

        .btn-signup {
            font-size: 0.9rem;
            font-weight: 600;
            color: #FFFFFF;
            padding: 9px 22px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--electric-blue) 0%, #0077FF 50%, var(--neon-cyan) 100%);
            box-shadow: 0 0 16px var(--deep-blue-glow);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px var(--neon-cyan-glow);
            transform: translateY(-1px);
            color: #FFFFFF;
        }

        .btn-signup:active {
            transform: translateY(1px);
            box-shadow: 0 0 12px var(--deep-blue-glow);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            background: none;
            border: none;
            z-index: 1001;
        }

        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 900px) {
            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                background: rgba(8, 9, 15, 0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                padding: 20px 24px 24px;
                border-bottom: 1px solid rgba(0, 240, 255, 0.15);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: transform var(--transition-smooth), opacity var(--transition-smooth), visibility var(--transition-smooth);
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-links a:not(.btn-login):not(.btn-signup) {
                width: 100%;
                padding: 14px 8px;
                font-size: 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }

            .nav-links a.active::after {
                display: none;
            }

            .auth-buttons {
                flex-direction: row;
                width: 100%;
                gap: 10px;
                padding-top: 16px;
                border-top: 1px solid rgba(0, 240, 255, 0.1);
                margin-top: 8px;
            }

            .btn-login,
            .btn-signup {
                flex: 1;
                text-align: center;
                padding: 12px 16px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 150px 0 80px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.4;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.65) 0%, rgba(8, 9, 15, 0.85) 60%, var(--primary-bg) 100%);
            z-index: 1;
        }

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

        .hero-grid {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-left {
            flex: 1.2;
            min-width: 300px;
        }

        .hero-right {
            flex: 0.9;
            min-width: 280px;
        }

        .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 100px;
            padding: 7px 16px;
            margin-bottom: 20px;
        }

        .hero-label i {
            font-size: 0.75rem;
            filter: drop-shadow(0 0 6px var(--neon-cyan-glow));
        }

        .hero-left h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin: 0 0 18px;
            color: var(--text-primary);
            background: linear-gradient(135deg, #FFFFFF 30%, #CBD5E1 60%, var(--neon-cyan) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-left .hero-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 32px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .stat-number {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--neon-cyan);
            letter-spacing: -0.01em;
            text-shadow: 0 0 20px var(--neon-cyan-glow);
        }

        .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #FFFFFF;
            background: linear-gradient(135deg, var(--electric-blue) 0%, #0070FF 50%, var(--neon-cyan) 120%);
            border-radius: var(--radius-md);
            padding: 14px 28px;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 20px var(--deep-blue-glow);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            box-shadow: 0 0 36px var(--neon-cyan-glow);
            transform: translateY(-2px);
            color: #FFFFFF;
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 14px var(--deep-blue-glow);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 14px 24px;
            cursor: pointer;
            transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: rgba(0, 240, 255, 0.35);
            color: var(--neon-cyan);
        }

        /* Hero right: 白皮书获客风格封面 + 目录摘要 + 留资 */
        .hero-doc-card {
            background: var(--surface-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card), 0 0 40px rgba(0, 240, 255, 0.06);
            position: relative;
            overflow: hidden;
        }

        .hero-doc-card::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--electric-blue), var(--neon-cyan), transparent);
            opacity: 0.7;
        }

        .doc-cover {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }

        .doc-cover-icon {
            width: 56px;
            height: 56px;
            flex-shrink: 0;
            background: linear-gradient(135deg, var(--electric-blue), var(--neon-cyan));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #FFFFFF;
            box-shadow: 0 0 24px var(--deep-blue-glow);
        }

        .doc-cover-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--text-primary);
        }

        .doc-cover-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
        }

        .doc-toc {
            margin: 0 0 20px;
            padding: 0;
            list-style: none;
        }

        .doc-toc li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .doc-toc li:last-child {
            border-bottom: none;
        }

        .doc-toc li i {
            color: var(--neon-cyan);
            font-size: 0.7rem;
            filter: drop-shadow(0 0 4px var(--neon-cyan-glow));
        }

        .hero-form {
            display: flex;
            gap: 10px;
        }

        .hero-form input {
            flex: 1;
            min-width: 0;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .hero-form input::placeholder {
            color: var(--text-muted);
        }

        .hero-form input:focus {
            outline: none;
            border-color: var(--neon-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
        }

        .hero-form .btn-primary {
            padding: 12px 20px;
            font-size: 0.88rem;
            border-radius: var(--radius-sm);
        }

        @media (max-width: 960px) {
            .hero-grid {
                flex-direction: column;
                gap: 40px;
            }
            .hero-left,
            .hero-right {
                flex: 1;
                min-width: 100%;
            }
            .hero-left h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-left h1 {
                font-size: 1.7rem;
            }
            .hero-section {
                padding: 120px 0 60px;
            }
            .hero-form {
                flex-direction: column;
            }
            .hero-form .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== 通用板块样式 ========== */
        .section {
            padding: 60px 0;
        }

        .section-alt {
            background: rgba(13, 17, 30, 0.5);
            border-top: 1px solid rgba(0, 240, 255, 0.08);
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
        }

        .section-header {
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.07em;
            color: var(--neon-cyan);
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: 1.85rem;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.015em;
            margin: 0 0 12px;
            color: var(--text-primary);
        }

        .section-header p {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== 痛点板块 ========== */
        .pain-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 0;
        }

        .pain-item {
            flex: 1 1 280px;
            background: var(--surface-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        .pain-item:hover {
            border-color: rgba(255, 100, 100, 0.3);
            box-shadow: 0 0 20px rgba(255, 80, 80, 0.1);
            transform: translateY(-3px);
        }

        .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 100, 100, 0.12);
            color: #FF6B6B;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }

        .pain-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--text-primary);
        }

        .pain-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 解决方案板块 ========== */
        .solution-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: stretch;
        }

        .solution-main {
            flex: 1.2;
            min-width: 300px;
            background: var(--surface-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .solution-main::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .solution-main h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin: 0 0 14px;
            color: var(--text-primary);
        }

        .solution-main p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 18px;
        }

        .solution-points {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .solution-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .solution-points li:last-child {
            border-bottom: none;
        }

        .solution-points li i {
            color: var(--neon-cyan);
            font-size: 0.85rem;
            margin-top: 4px;
            filter: drop-shadow(0 0 5px var(--neon-cyan-glow));
        }

        .solution-image {
            flex: 0.8;
            min-width: 260px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
            position: relative;
        }

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

        .solution-image .img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(180deg, transparent 0%, rgba(8, 9, 15, 0.9) 100%);
        }

        .solution-image .img-overlay span {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--neon-cyan);
            letter-spacing: 0.04em;
        }

        /* ========== 游戏展示板块 ========== */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }

        .game-card {
            background: var(--surface-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
        }

        .game-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.15);
            transform: translateY(-4px);
        }

        .game-card .game-thumb {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .game-card .game-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .game-card:hover .game-thumb img {
            transform: scale(1.06);
        }

        .game-card .game-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 0.68rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            padding: 5px 10px;
            border-radius: 100px;
            background: rgba(0, 240, 255, 0.15);
            color: var(--neon-cyan);
            border: 1px solid rgba(0, 240, 255, 0.4);
            backdrop-filter: blur(6px);
        }

        .game-card .game-body {
            padding: 16px 18px 18px;
        }

        .game-card .game-name {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--text-primary);
        }

        .game-card .game-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 12px;
        }

        .game-card .game-meta span {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .game-card .game-meta span i {
            color: var(--neon-cyan);
            font-size: 0.65rem;
        }

        .game-card .btn-play {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.83rem;
            font-weight: 600;
            color: #FFFFFF;
            background: linear-gradient(135deg, var(--electric-blue), var(--neon-cyan));
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            width: 100%;
            justify-content: center;
        }

        .game-card .btn-play:hover {
            box-shadow: 0 0 16px var(--neon-cyan-glow);
            transform: translateY(-1px);
            color: #FFFFFF;
        }

        @media (max-width: 768px) {
            .games-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
                gap: 14px;
            }
            .game-card .game-body {
                padding: 12px 13px 14px;
            }
            .game-card .game-name {
                font-size: 0.88rem;
            }
        }

        @media (max-width: 420px) {
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .game-card .game-thumb {
                aspect-ratio: 16 / 12;
            }
        }

        /* ========== 数据/成果板块 ========== */
        .stats-band {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: space-between;
            background: var(--surface-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }

        .stats-band .stat-cell {
            flex: 1 1 160px;
            text-align: left;
        }

        .stats-band .stat-cell .value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--neon-cyan);
            text-shadow: 0 0 22px var(--neon-cyan-glow);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stats-band .stat-cell .label {
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        @media (max-width: 768px) {
            .stats-band {
                gap: 16px;
                padding: 24px 20px;
            }
            .stats-band .stat-cell .value {
                font-size: 1.5rem;
            }
        }

        /* ========== 玩家反馈板块 ========== */
        .testimonial-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .testimonial-card {
            flex: 1 1 280px;
            background: var(--surface-glass-light);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .testimonial-card:hover {
            border-color: rgba(0, 240, 255, 0.25);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.08);
        }

        .testimonial-quote {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0 0 16px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--electric-blue), var(--neon-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }

        .testimonial-author .info .name {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .testimonial-author .info .source {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.2);
        }

        .faq-item.open {
            border-color: var(--border-glow);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-question h3 {
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0;
            color: var(--text-primary);
            flex: 1;
        }

        .faq-question .faq-toggle {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--neon-cyan);
            transition: transform var(--transition-fast);
        }

        .faq-item.open .faq-toggle {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            padding: 0 22px 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 70px 0;
            text-align: center;
        }

        .cta-card {
            background: var(--surface-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            box-shadow: var(--shadow-card), 0 0 50px rgba(0, 240, 255, 0.08);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 200px;
            background: radial-gradient(ellipse, rgba(0, 240, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin: 0 0 16px;
            color: var(--text-primary);
        }

        .cta-card p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 50px 0;
            }
            .cta-card {
                padding: 32px 22px;
                border-radius: var(--radius-lg);
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: rgba(8, 9, 15, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 50px 0 24px;
            margin-top: 0;
        }

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

        .footer-brand {
            flex: 1.4;
            min-width: 260px;
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 340px;
        }

        .footer-col {
            flex: 0.8;
            min-width: 140px;
        }

        .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: 0.04em;
        }

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

        .footer-col ul li {
            margin-bottom: 9px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--neon-cyan);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .legal-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        .legal-links a {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .legal-links a:hover {
            color: var(--neon-cyan);
        }

        @media (max-width: 768px) {
            .footer-grid {
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .legal-links {
                justify-content: center;
            }
        }

        /* ========== FAB ========== */
        .fab-neon {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50px;
            background: rgba(8, 9, 15, 0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1.6px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, var(--neon-cyan), var(--electric-blue), var(--neon-cyan)) 1;
            color: var(--neon-cyan);
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            transition: opacity var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            opacity: 0.65;
            animation: fabBreath 3s ease-in-out infinite;
            min-width: 56px;
            min-height: 56px;
            touch-action: manipulation;
        }

        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.65);
            transform: scale(1.08);
            color: var(--neon-cyan);
        }

        .fab-neon:active {
            transform: scale(0.92);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
        }

        .fab-neon .fab-dot {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF0055;
            border: 2px solid var(--primary-bg);
            animation: fabBlink 1.4s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% {
                opacity: 0.55;
                box-shadow: 0 0 14px rgba(0, 240, 255, 0.3);
            }
            50% {
                opacity: 0.85;
                box-shadow: 0 0 26px rgba(0, 240, 255, 0.55);
            }
        }

        @keyframes fabBlink {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.7);
            }
        }

        @media (max-width: 768px) {
            .fab-neon {
                left: 14px;
                bottom: 72px;
                width: 48px;
                height: 48px;
                min-width: 48px;
                min-height: 48px;
                font-size: 1rem;
            }
            .fab-neon .fab-dot {
                width: 11px;
                height: 11px;
                top: -3px;
                right: -3px;
            }
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 520px) {
            .hero-stats {
                gap: 16px;
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 20px;
                font-size: 0.88rem;
                width: 100%;
                justify-content: center;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn-primary,
            .cta-actions .btn-secondary {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.72);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --border-glass: rgba(255, 255, 255, 0.08);
            --accent-electric: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.35);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --danger: #FF0040;
            --success: #00E88F;
            --warning: #FFB800;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.55);
            --shadow-neon: 0 0 12px rgba(0, 240, 255, 0.35), 0 0 32px rgba(0, 82, 255, 0.2);
            --shadow-neon-strong: 0 0 20px rgba(0, 240, 255, 0.55), 0 0 48px rgba(0, 82, 255, 0.35);
            --font-primary: 'Be Vietnam Pro', 'Inter', sans-serif;
            --font-secondary: 'Inter', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.55s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --nav-height: 76px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-primary);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: -200px;
            right: -300px;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle at center, rgba(0, 82, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            bottom: -250px;
            left: -250px;
            width: 650px;
            height: 650px;
            background: radial-gradient(circle at center, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

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

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

        a:hover,
        a:focus-visible {
            color: var(--text-primary);
            outline: none;
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-primary);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin: 0;
            color: var(--text-primary);
        }

        p {
            margin: 0;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        /* ============ HEADER & NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            height: var(--nav-height);
            transition: background var(--transition-med), box-shadow var(--transition-med);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.97);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.15rem;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }

        .logo i {
            font-size: 1.6rem;
            color: var(--accent-cyan);
            filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.45));
            transition: transform var(--transition-med);
        }

        .logo:hover i {
            transform: rotate(15deg) scale(1.05);
        }

        .logo span {
            background: linear-gradient(120deg, var(--text-primary) 0%, var(--accent-cyan) 50%, var(--text-primary) 100%);
            background-size: 200% auto;
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: logoShine 4s linear infinite;
        }

        @keyframes logoShine {
            0% { background-position: 0% center; }
            100% { background-position: 200% center; }
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-med);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .nav.nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-toggle:hover,
        .nav-toggle:focus-visible {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.25);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
            flex: 1;
            justify-content: center;
        }

        .nav-links > a {
            position: relative;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 8px 2px;
            transition: color var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-links > a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-electric));
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-med);
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
        }

        .nav-links > a:hover,
        .nav-links > a:focus-visible {
            color: var(--text-primary);
        }

        .nav-links > a:hover::after,
        .nav-links > a:focus-visible::after {
            transform: scaleX(1);
        }

        .nav-links > a.active {
            color: var(--text-primary);
            font-weight: 700;
        }

        .nav-links > a.active::after {
            transform: scaleX(1);
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .btn-login,
        .btn-signup {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 16px;
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .btn-login {
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-glass);
        }

        .btn-login:hover,
        .btn-login:focus-visible {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
        }

        .btn-signup {
            color: #08090F;
            background: linear-gradient(135deg, var(--accent-cyan) 0%, #0088ff 100%);
            box-shadow: 0 4px 14px rgba(0, 240, 255, 0.25);
        }

        .btn-signup:hover,
        .btn-signup:focus-visible {
            box-shadow: 0 6px 22px rgba(0, 240, 255, 0.4);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(0, 240, 255, 0.25);
        }

        /* ============ MOBILE NAV ============ */
        @media (max-width: 920px) {
            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                gap: 8px;
                padding: 24px;
                transform: translateX(100%);
                transition: transform var(--transition-slow);
                z-index: 999;
                overflow-y: auto;
            }

            .nav-links.open {
                transform: translateX(0);
            }

            .nav-links > a {
                font-size: 1.1rem;
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid var(--border-glass);
            }

            .nav-links > a::after {
                display: none;
            }

            .auth-buttons {
                margin-left: 0;
                width: 100%;
                flex-direction: column;
                gap: 12px;
                margin-top: 24px;
            }

            .btn-login,
            .btn-signup {
                width: 100%;
                padding: 14px;
                font-size: 0.95rem;
            }
        }

        /* ============ HERO ============ */
        .hero-section {
            padding: calc(var(--nav-height) + 60px) 0 70px;
            background:
                radial-gradient(ellipse at 20% 20%, rgba(0, 82, 255, 0.18) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 70%, rgba(0, 240, 255, 0.12) 0%, transparent 55%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 44px 44px;
            mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 0%, transparent 70%);
            -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 20px;
            align-items: flex-start;
            text-align: left;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 999px;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.15);
        }

        .hero-badge i {
            font-size: 0.85rem;
            animation: pulse 1.8s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.15); }
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 900;
            line-height: 1.1;
            color: var(--text-primary);
            letter-spacing: -0.03em;
        }

        .hero-title .highlight {
            background: linear-gradient(120deg, var(--accent-cyan) 0%, var(--accent-electric) 100%);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.35));
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 8px;
        }

        .btn-primary,
        .btn-secondary,
        .btn-glass {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: 12px;
            transition: all var(--transition-med);
            letter-spacing: 0.01em;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-electric) 100%);
            color: #08090F;
            box-shadow: 0 8px 24px rgba(0, 240, 255, 0.3);
            position: relative;
            overflow: hidden;
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -80%;
            width: 60%;
            height: 100%;
            background: linear-gradient(120deg, transparent, rgba(255,255,255,0.35), transparent);
            transform: skewX(-25deg);
            transition: left 0.6s;
        }

        .btn-primary:hover::before,
        .btn-primary:focus-visible::before {
            left: 120%;
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            box-shadow: 0 10px 32px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 4px 16px rgba(0, 240, 255, 0.3);
        }

        .btn-secondary {
            background: var(--bg-glass);
            color: var(--text-primary);
            border: 1px solid var(--border-glass);
            backdrop-filter: blur(10px);
        }

        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.15);
            transform: translateY(-2px);
        }

        .btn-glass {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-primary);
            backdrop-filter: blur(8px);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
        }

        .btn-glass:hover,
        .btn-glass:focus-visible {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .stat-value {
            font-size: 1.9rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-electric));
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .visual-panel {
            width: 100%;
            max-width: 460px;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-lg), var(--shadow-neon);
            position: relative;
            z-index: 1;
        }

        .visual-panel::before {
            content: '';
            position: absolute;
            inset: -1px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(0,240,255,0.3), rgba(0,82,255,0.2), transparent);
            z-index: -1;
            filter: blur(1px);
            opacity: 0.6;
        }

        .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
        }

        .panel-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .panel-title i {
            color: var(--accent-cyan);
        }

        .panel-tag {
            padding: 4px 10px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .game-preview {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 16px;
            position: relative;
            aspect-ratio: 16/9;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .game-preview img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .game-preview:hover img {
            transform: scale(1.05);
        }

        .game-preview .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8,9,15,0.75) 0%, transparent 60%);
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            padding: 16px;
        }

        .preview-label {
            font-size: 0.8rem;
            font-weight: 700;
            color: #08090F;
            background: var(--accent-cyan);
            padding: 4px 10px;
            border-radius: 6px;
            text-transform: uppercase;
        }

        .preview-btn {
            padding: 8px 16px;
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 8px;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            backdrop-filter: blur(6px);
            transition: all var(--transition-fast);
        }

        .preview-btn:hover {
            background: rgba(255,255,255,0.25);
            border-color: rgba(255,255,255,0.4);
        }

        .panel-progress {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .progress-bar {
            flex: 1;
            height: 8px;
            background: rgba(255,255,255,0.08);
            border-radius: 6px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            width: 78%;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-electric));
            border-radius: 6px;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }

        .progress-text {
            font-size: 0.75rem;
            color: var(--text-secondary);
            font-weight: 600;
            white-space: nowrap;
        }

        /* ============ SECTION BASE ============ */
        .section {
            padding: 70px 0;
            position: relative;
            z-index: 1;
        }

        .section-header {
            max-width: 720px;
            margin: 0 auto 44px;
            text-align: center;
        }

        .section-header.left {
            text-align: left;
            margin-left: 0;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-lead {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ PAIN / SOLUTION / RESULT / TESTIMONIAL ============ */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pain-card,
        .solution-card,
        .result-card,
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }

        .pain-card::before,
        .solution-card::before,
        .result-card::before,
        .testimonial-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);
        }

        .pain-card:hover::before,
        .solution-card:hover::before,
        .result-card:hover::before,
        .testimonial-card:hover::before {
            opacity: 1;
        }

        .pain-card:hover,
        .solution-card:hover,
        .result-card:hover,
        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), 0 0 18px rgba(0, 240, 255, 0.1);
            border-color: rgba(0, 240, 255, 0.25);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            background: linear-gradient(135deg, rgba(0,240,255,0.15), rgba(0,82,255,0.1));
            border: 1px solid rgba(0, 240, 255, 0.25);
            color: var(--accent-cyan);
        }

        .pain-card h3,
        .solution-card h3,
        .result-card h3,
        .testimonial-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .pain-card p,
        .solution-card p,
        .result-card p,
        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            padding: 6px 0;
            line-height: 1.5;
        }

        .feature-list li i {
            color: var(--accent-cyan);
            font-size: 0.9rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        /* ============ GAME SHOWCASE ============ */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .game-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-med);
            cursor: pointer;
        }

        .game-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 240, 255, 0.2);
            border-color: rgba(0, 240, 255, 0.4);
        }

        .game-thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .game-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .game-card:hover .game-thumb img {
            transform: scale(1.08);
        }

        .game-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 4px 10px;
            background: rgba(8,9,15,0.8);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 6px;
            font-size: 0.65rem;
            font-weight: 800;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
        }

        .game-badge.hot {
            color: #fff;
            border-color: rgba(255, 0, 64, 0.6);
            background: rgba(255, 0, 64, 0.25);
            box-shadow: 0 0 10px rgba(255, 0, 64, 0.4);
        }

        .game-badge.new {
            color: #08090F;
            background: var(--accent-cyan);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
        }

        .game-info {
            padding: 16px 18px;
        }

        .game-name {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .game-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .game-rate {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--warning);
            font-weight: 700;
        }

        .game-rate i {
            font-size: 0.75rem;
        }

        /* ============ STEPS ============ */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: transparent;
            border: none;
            padding: 20px;
            text-align: left;
            position: relative;
        }

        .step-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: rgba(0, 240, 255, 0.15);
            line-height: 1;
            margin-bottom: 12px;
        }

        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .step-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ============ TESTIMONIALS ============ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card .quote {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-style: italic;
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-electric));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #08090F;
            font-size: 1rem;
        }

        .author-info {
            font-size: 0.85rem;
        }

        .        .author-info strong {
            display: block;
            color: var(--text-primary);
            font-weight: 700;
        }

        .author-info span {
            color: var(--text-muted);
            font-size: 0.72rem;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.25);
        }

        .faq-item.active {
            border-color: rgba(0, 240, 255, 0.45);
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-family: var(--font-primary);
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }

        .faq-question:hover,
        .faq-question:focus-visible {
            color: var(--accent-cyan);
            outline: none;
        }

        .faq-icon {
            flex-shrink: 0;
            color: var(--accent-cyan);
            font-size: 1rem;
            transition: transform var(--transition-fast);
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-answer p {
            padding: 0 22px 18px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 320px;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 70px 0;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(0, 82, 255, 0.08));
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: left;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg), var(--shadow-neon);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-text {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 24px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: rgba(13, 17, 30, 0.92);
            border-top: 1px solid var(--border-glass);
            padding: 48px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            margin-bottom: 12px;
            font-size: 1.1rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 300px;
        }

        .footer-col h4 {
            font-family: var(--font-primary);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

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

        .footer-col li {
            margin-bottom: 8px;
        }

        .footer-col a {
            font-size: 0.85rem;
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-glass);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .legal-links {
            display: flex;
            gap: 20px;
        }

        .legal-links a {
            color: var(--text-muted);
            font-size: 0.8rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-visual {
                order: 2;
            }

            .visual-panel {
                max-width: 100%;
            }

            .game-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .pain-grid {
                grid-template-columns: 1fr;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .cta-box {
                padding: 32px 24px;
            }

            .cta-title {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                padding: calc(var(--nav-height) + 40px) 0 50px;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
            }

            .game-grid {
                grid-template-columns: 1fr;
            }

            .section {
                padding: 50px 0;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .btn-primary,
            .btn-secondary,
            .btn-glass {
                padding: 12px 20px;
                font-size: 0.88rem;
            }

            .cta-box {
                padding: 28px 20px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --accent-blue: #0052FF;
            --neon-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --glass-bg: rgba(255,255,255,0.05);
            --glass-border: rgba(0,240,255,0.2);
            --glow-cyan: rgba(0,240,255,0.5);
            --shadow-glow: 0 0 15px rgba(0,240,255,0.3);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --space-sm: 0.5rem;
            --space-md: 1rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        
        a {
            color: var(--neon-cyan);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffffff;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header & Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8,9,15,0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--glass-border);
            padding: 12px 0;
            transition: all 0.3s;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            text-decoration: none;
        }
        .logo i {
            color: var(--neon-cyan);
            font-size: 1.8rem;
            filter: drop-shadow(0 0 8px var(--neon-cyan));
        }
        .logo span {
            background: linear-gradient(135deg, #fff, var(--neon-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-wrap: wrap;
        }
        .nav-links > a:not(.btn-login):not(.btn-signup) {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 2px;
        }
        .nav-links > a:not(.btn-login):not(.btn-signup)::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--neon-cyan);
            transition: width 0.3s;
            border-radius: 2px;
        }
        .nav-links > a:not(.btn-login):not(.btn-signup):hover::after,
        .nav-links > a:not(.btn-login):not(.btn-signup).active::after {
            width: 100%;
        }
        .nav-links > a.active {
            color: #fff;
        }
        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 10px;
        }
        .btn-login, .btn-signup {
            padding: 8px 18px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            transition: all 0.3s;
            display: inline-block;
        }
        .btn-login {
            color: var(--neon-cyan);
            border: 1px solid var(--glass-border);
            background: transparent;
        }
        .btn-login:hover {
            background: rgba(0,240,255,0.1);
            border-color: var(--neon-cyan);
        }
        .btn-signup {
            background: var(--accent-blue);
            color: #fff;
            border: 1px solid var(--accent-blue);
            box-shadow: 0 0 12px rgba(0,82,255,0.4);
        }
        .btn-signup:hover {
            background: #003bb5;
            border-color: #003bb5;
            box-shadow: 0 0 20px rgba(0,82,255,0.6);
        }
        
        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--glass-border);
            border-radius: 4px;
            padding: 6px 10px;
            color: var(--neon-cyan);
            font-size: 1.4rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 0 8px;
                gap: 12px;
                background: rgba(8,9,15,0.95);
                border-radius: 0 0 12px 12px;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 16px 20px;
                border: 1px solid var(--glass-border);
                border-top: none;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links > a:not(.btn-login):not(.btn-signup) {
                padding: 10px 0;
                font-size: 1rem;
            }
            .auth-buttons {
                margin-left: 0;
                flex-direction: row;
                justify-content: space-between;
                gap: 10px;
            }
            .btn-login, .btn-signup {
                flex: 1;
                text-align: center;
                padding: 10px;
            }
        }
        
        /* Hero */
        .hero-strategy {
            padding: 140px 0 60px;
            background: radial-gradient(circle at 20% 20%, rgba(0,82,255,0.12), transparent 60%),
                        radial-gradient(circle at 80% 80%, rgba(0,240,255,0.08), transparent 50%);
            position: relative;
        }
        .hero-grid {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .hero-content {
            flex: 1 1 55%;
            max-width: 620px;
        }
        .hero-visual {
            flex: 1 1 35%;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 20px;
            box-shadow: 0 0 30px rgba(0,240,255,0.1);
            text-align: center;
        }
        .hero-visual img {
            border-radius: var(--radius-md);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            max-height: 420px;
            object-fit: cover;
            width: 100%;
        }
        .eyebrow {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0,240,255,0.1);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            color: var(--neon-cyan);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: -1px;
        }
        .hero-content h1 span {
            background: linear-gradient(135deg, var(--neon-cyan), #4d8aff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-silver);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary, .btn-secondary {
            padding: 14px 30px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s;
            text-align: center;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue), #0066ff);
            color: #fff;
            border: none;
            box-shadow: 0 0 20px rgba(0,82,255,0.5);
            border: 1px solid rgba(0,240,255,0.3);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #003bb5, #004de6);
            box-shadow: 0 0 30px rgba(0,82,255,0.8);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: transparent;
            color: var(--neon-cyan);
            border: 2px solid var(--neon-cyan);
            box-shadow: 0 0 15px rgba(0,240,255,0.2);
        }
        .btn-secondary:hover {
            background: rgba(0,240,255,0.1);
            box-shadow: 0 0 25px rgba(0,240,255,0.4);
            color: var(--neon-cyan);
            transform: translateY(-2px);
        }
        
        @media (max-width: 992px) {
            .hero-content h1 { font-size: 2.2rem; }
            .hero-grid { gap: 30px; }
        }
        @media (max-width: 640px) {
            .hero-strategy { padding: 120px 0 40px; }
            .hero-content h1 { font-size: 1.8rem; }
            .hero-sub { font-size: 1rem; }
            .hero-visual { padding: 12px; }
            .btn-primary, .btn-secondary { padding: 12px 24px; font-size: 0.9rem; }
        }
        
        /* Sections general */
        .section-pad {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }
        .section-lead {
            font-size: 1.1rem;
            color: var(--text-silver);
            margin-bottom: 40px;
            max-width: 700px;
        }
        .text-center { text-align: center; }
        .mb-0 { margin-bottom: 0; }
        .mt-30 { margin-top: 30px; }
        .grid-2, .grid-3, .grid-4 {
            display: grid;
            gap: 24px;
        }
        .grid-2 { grid-template-columns: repeat(2, 1fr); }
        .grid-3 { grid-template-columns: repeat(3, 1fr); }
        .grid-4 { grid-template-columns: repeat(4, 1fr); }
        @media (max-width: 992px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 640px) {
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
        }
        
        /* Glass card */
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 24px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .glass-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 10px 30px rgba(0,240,255,0.15);
            border-color: rgba(0,240,255,0.4);
        }
        .glass-card .icon {
            font-size: 2rem;
            color: var(--neon-cyan);
            margin-bottom: 16px;
        }
        .glass-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .glass-card p {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        /* Strategy steps */
        .step-list {
            list-style: none;
            counter-reset: step-counter;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .step-item {
            counter-increment: step-counter;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 18px;
            transition: all 0.3s;
        }
        .step-item:hover {
            border-color: rgba(0,240,255,0.5);
            box-shadow: 0 0 20px rgba(0,240,255,0.1);
        }
        .step-item::before {
            content: counter(step-counter);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--neon-cyan);
            background: rgba(0,240,255,0.1);
            border-radius: 50%;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 5px;
            color: #fff;
        }
        .step-item p {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        /* Stats */
        .stats-row {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 30px;
            text-align: center;
        }
        .stat-item {
            background: var(--glass-bg);
            padding: 24px 18px;
            border-radius: var(--radius-md);
            border: 1px solid var(--glass-border);
            min-width: 160px;
            flex: 1;
            max-width: 200px;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--neon-cyan);
            line-height: 1.2;
        }
        .stat-label {
            color: var(--text-silver);
            font-size: 0.9rem;
            margin-top: 8px;
        }
        
        /* Testimonials */
        .testimonial-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            height: 100%;
        }
        .testimonial-text {
            font-style: italic;
            color: #e0e6ed;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: auto;
        }
        .testimonial-author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .testimonial-author .name {
            font-weight: 600;
            color: #fff;
        }
        .testimonial-author .role {
            color: var(--text-silver);
            font-size: 0.85rem;
        }
        
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            color: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.3s;
            user-select: none;
        }
        .faq-question:hover {
            background: rgba(0,240,255,0.05);
        }
        .faq-question i {
            color: var(--neon-cyan);
            transition: transform 0.3s;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 22px;
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }
        
        /* Final CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(0,82,255,0.15), rgba(0,240,255,0.05));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 50px 30px;
            text-align: center;
            margin: 60px 0;
        }
        .cta-section h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-silver);
            max-width: 600px;
            margin: 0 auto 30px;
        }
        
        /* Footer */
        .site-footer {
            background: var(--bg-navy);
            border-top: 1px solid var(--glass-border);
            padding: 60px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            color: var(--text-silver);
            font-size: 0.9rem;
            margin-top: 16px;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-silver);
            font-size: 0.9rem;
            transition: color 0.3s;
        }
        .footer-col ul li a:hover {
            color: var(--neon-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom span {
            color: var(--text-silver);
            font-size: 0.85rem;
        }
        .legal-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .legal-links a {
            color: var(--text-silver);
            font-size: 0.85rem;
        }
        .legal-links a:hover {
            color: var(--neon-cyan);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        
        /* FAB Cyber & Neon */
        .fab-cyber {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8,9,15,0.6);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8,9,15,0.6), rgba(8,9,15,0.6)), linear-gradient(135deg, #00F0FF, #0052FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1.8rem;
            box-shadow: 0 0 15px rgba(0,240,255,0.5);
            transition: all 0.3s;
            opacity: 0.6;
            cursor: pointer;
            animation: fabBreathe 2.5s infinite ease-in-out;
        }
        .fab-cyber:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0,240,255,0.8);
            animation: none;
        }
        .fab-cyber:active {
            transform: scale(0.95);
            border-color: #FF007F;
            color: #FF007F;
            box-shadow: 0 0 30px rgba(255,0,127,0.6);
        }
        .fab-cyber::after {
            content: '';
            position: absolute;
            top: -4px;
            right: -4px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            box-shadow: 0 0 8px #FF007F;
            animation: blinkDot 1.2s infinite;
        }
        @keyframes fabBreathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.9; }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.2; }
        }
        
        /* Responsive extra */
        @media (max-width: 480px) {
            .btn-primary, .btn-secondary { width: 100%; }
            .hero-cta { flex-direction: column; }
            .section-title { font-size: 1.6rem; }
            .stat-number { font-size: 1.8rem; }
        }