/* roulang page: index */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-glass: rgba(13, 17, 30, 0.75);
            --bg-glass-strong: rgba(8, 9, 15, 0.9);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --border-glass: rgba(0, 240, 255, 0.18);
            --border-blue: rgba(0, 82, 255, 0.4);
            --glow-cyan: rgba(0, 240, 255, 0.5);
            --glow-blue: rgba(0, 82, 255, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }
        
        *, *::before, *::after {
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        
        body {
            margin: 0;
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        
        a:hover {
            color: var(--accent-cyan);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        
        button:focus, a:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        
        .container-wide {
            max-width: 1400px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        
        .glass-card:hover {
            border-color: rgba(0, 240, 255, 0.38);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        
        .glow-btn {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border-radius: 50px;
            transition: all var(--transition-smooth);
            text-align: center;
            line-height: 1.2;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
        }
        
        .glow-btn-primary {
            background: linear-gradient(135deg, #0052FF 0%, #0033AA 100%);
            color: #FFFFFF;
            border: 1px solid rgba(0, 240, 255, 0.4);
        }
        
        .glow-btn-primary:hover {
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.65), 0 0 12px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
            color: #FFFFFF;
        }
        
        .glow-btn-outline {
            background: transparent;
            color: var(--accent-cyan);
            border: 1.5px solid var(--accent-cyan);
        }
        
        .glow-btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
            color: var(--accent-cyan);
        }
        
        .glow-btn-accent {
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            color: #08090F;
            border: 1px solid rgba(0, 240, 255, 0.6);
            font-weight: 800;
        }
        
        .glow-btn-accent:hover {
            box-shadow: 0 0 36px rgba(0, 240, 255, 0.6);
            transform: translateY(-2px) scale(1.02);
            color: #08090F;
        }
        
        .badge-hot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #FF4444, #CC0000);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 0.78rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            padding: 6px 14px;
            border-radius: 50px;
            box-shadow: 0 0 14px rgba(255, 68, 68, 0.5);
        }
        
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.75rem;
            letter-spacing: 0.04em;
            padding: 4px 10px;
            border-radius: 50px;
            border: 1px solid rgba(0, 240, 255, 0.25);
        }
        
        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #FFD700, #FFAA00);
            color: #1A1A1A;
            font-weight: 800;
            font-size: 0.72rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            padding: 4px 12px;
            border-radius: 50px;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.35);
        }
        
        .section-title {
            font-size: clamp(1.6rem, 3.4vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 16px 0;
            letter-spacing: -0.01em;
        }
        
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin: 0 0 32px 0;
            max-width: 680px;
        }
        
        .section-heading-wrap {
            margin-bottom: 40px;
        }
        
        .nav-link {
            position: relative;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-silver);
            transition: color var(--transition-fast);
            padding: 6px 2px;
        }
        
        .nav-link:hover {
            color: var(--text-white);
        }
        
        .nav-link.active {
            color: var(--accent-cyan);
        }
        
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
            border-radius: 2px;
        }
        
        .header-blur {
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }
        
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            width: 44px;
            height: 44px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(0, 240, 255, 0.2);
            background: rgba(0, 240, 255, 0.05);
        }
        
        .mobile-menu-btn span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--text-white);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        
        .mobile-menu-btn.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        
        .mobile-menu-btn.active span:nth-child(2) {
            opacity: 0;
        }
        
        .mobile-menu-btn.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }
        
        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(105deg, rgba(8, 9, 15, 0.92) 0%, rgba(8, 9, 15, 0.7) 45%, rgba(0, 82, 255, 0.25) 75%, rgba(0, 240, 255, 0.15) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        
        .hero-overlay {
            position: relative;
            z-index: 1;
            padding: 100px 0 80px;
        }
        
        .hero-badge-sticker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #FF4444, #CC0000);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 0.8rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            padding: 8px 18px;
            border-radius: 50px;
            box-shadow: 0 4px 20px rgba(255, 68, 68, 0.55);
            margin-bottom: 20px;
            animation: pulse-badge 2s ease-in-out infinite;
        }
        
        @keyframes pulse-badge {
            0%, 100% {
                box-shadow: 0 4px 20px rgba(255, 68, 68, 0.55);
                transform: scale(1);
            }
            50% {
                box-shadow: 0 4px 32px rgba(255, 68, 68, 0.8);
                transform: scale(1.04);
            }
        }
        
        .hero-title {
            font-size: clamp(1.9rem, 4.5vw, 3.3rem);
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 20px 0;
            letter-spacing: -0.015em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.7);
        }
        
        .hero-desc {
            font-size: clamp(1rem, 1.6vw, 1.15rem);
            color: var(--text-silver);
            line-height: 1.7;
            margin: 0 0 32px 0;
            max-width: 640px;
        }
        
        .stat-card {
            background: var(--bg-glass-strong);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        
        .stat-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: var(--shadow-glow);
        }
        
        .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.1;
        }
        
        .stat-label {
            font-size: 0.82rem;
            color: var(--text-silver);
            letter-spacing: 0.03em;
        }
        
        .game-card {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 82, 255, 0.28);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        
        .game-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 24px rgba(0, 82, 255, 0.35);
        }
        
        .game-card-img {
            position: relative;
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: linear-gradient(135deg, #0D111E 0%, #1A1F35 100%);
        }
        
        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        
        .game-card:hover .game-card-img img {
            transform: scale(1.08);
        }
        
        .game-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }
        
        .game-card-content {
            padding: 20px;
        }
        
        .game-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 8px 0;
            line-height: 1.35;
        }
        
        .game-card-desc {
            font-size: 0.88rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin: 0 0 14px 0;
        }
        
        .game-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: var(--accent-cyan);
            font-weight: 600;
        }
        
        .game-card-meta i {
            font-size: 0.7rem;
        }
        
        .list-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 0;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
            transition: all var(--transition-fast);
        }
        
        .list-item:last-child {
            border-bottom: none;
        }
        
        .list-item:hover {
            padding-left: 8px;
        }
        
        .list-item-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-sm);
            color: var(--accent-cyan);
            font-size: 1.1rem;
        }
        
        .list-item-content {
            flex: 1;
        }
        
        .list-item-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 6px 0;
            line-height: 1.4;
        }
        
        .list-item-desc {
            font-size: 0.88rem;
            color: var(--text-silver);
            line-height: 1.55;
            margin: 0;
        }
        
        .faq-item {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.35);
        }
        
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            text-align: left;
            font-weight: 700;
            font-size: 1rem;
            color: #FFFFFF;
            background: transparent;
            transition: color var(--transition-fast);
        }
        
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            font-size: 0.85rem;
            transition: transform var(--transition-fast);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
        }
        
        .faq-answer.open {
            max-height: 300px;
            padding: 0 22px 20px;
        }
        
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.65;
            margin: 0;
        }
        
        .ranking-card {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 82, 255, 0.3);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-smooth);
            position: relative;
        }
        
        .ranking-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 28px rgba(0, 82, 255, 0.35);
            transform: translateY(-4px);
        }
        
        .ranking-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.15rem;
            margin-bottom: 14px;
            background: linear-gradient(135deg, #0052FF 0%, #0033AA 100%);
            color: #FFFFFF;
            box-shadow: 0 0 16px rgba(0, 82, 255, 0.45);
        }
        
        .ranking-number.gold {
            background: linear-gradient(135deg, #FFD700, #FFAA00);
            color: #1A1A1A;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
        }
        
        .ranking-number.silver {
            background: linear-gradient(135deg, #E5E8E8, #B0B8B8);
            color: #1A1A1A;
            box-shadow: 0 0 16px rgba(229, 232, 232, 0.4);
        }
        
        .ranking-number.bronze {
            background: linear-gradient(135deg, #D4AC0D, #B08A1A);
            color: #FFFFFF;
            box-shadow: 0 0 16px rgba(212, 172, 13, 0.4);
        }
        
        .cta-banner {
            position: relative;
            background: linear-gradient(135deg, #0D111E 0%, #12182D 100%);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            overflow: hidden;
            text-align: left;
        }
        
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 82, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .cta-banner-content {
            position: relative;
            z-index: 1;
        }
        
        .cta-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 12px 0;
        }
        
        .cta-desc {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin: 0 0 24px 0;
            max-width: 560px;
        }
        
        .footer-section {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 40px 0 24px;
        }
        
        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 16px 0;
        }
        
        .footer-link {
            display: block;
            color: var(--text-silver);
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        
        .footer-link:hover {
            color: var(--accent-cyan);
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.08);
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(203, 213, 225, 0.6);
        }
        
        .floating-fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            min-width: 48px;
            min-height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(8, 9, 15, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 9, 15, 0.7), rgba(8, 9, 15, 0.7)), linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            color: var(--accent-cyan);
            font-size: 1.3rem;
            animation: fab-float 3s ease-in-out infinite;
            transition: all var(--transition-smooth);
        }
        
        .floating-fab:hover {
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.7);
            color: #FFFFFF;
            transform: scale(1.1);
        }
        
        .floating-fab:active {
            transform: scale(0.95);
        }
        
        .floating-fab::after {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #FF4444;
            border: 2px solid var(--bg-primary);
            animation: blink-dot 1.5s ease-in-out infinite;
        }
        
        @keyframes fab-float {
            0%, 100% {
                transform: translateY(0);
                opacity: 0.6;
            }
            50% {
                transform: translateY(-6px);
                opacity: 1;
            }
        }
        
        @keyframes blink-dot {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.25;
            }
        }
        
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 10px 0;
        }
        
        .fixed-cta-content {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        
        .fixed-cta-text {
            flex: 1;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-silver);
        }
        
        .progress-bar-wrap {
            width: 100%;
            height: 8px;
            background: rgba(0, 240, 255, 0.1);
            border-radius: 50px;
            overflow: hidden;
        }
        
        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 50px;
            transition: width 0.6s ease;
        }
        
        .step-item {
            position: relative;
            padding: 20px 22px;
            background: var(--bg-glass);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        
        .step-item:hover {
            border-color: rgba(0, 240, 255, 0.4);
        }
        
        .step-num {
            font-weight: 800;
            font-size: 0.85rem;
            color: var(--accent-cyan);
            letter-spacing: 0.08em;
        }
        
        .step-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #FFFFFF;
            margin: 6px 0 8px;
            line-height: 1.35;
        }
        
        .step-desc {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin: 0;
        }
        
        @media (max-width: 1024px) {
            .container, .container-wide {
                padding-left: 20px;
                padding-right: 20px;
            }
            
            .hero-overlay {
                padding: 80px 0 60px;
            }
        }
        
        @media (max-width: 768px) {
            .container, .container-wide {
                padding-left: 16px;
                padding-right: 16px;
            }
            
            .hero-overlay {
                padding: 64px 0 48px;
            }
            
            .section-title {
                font-size: clamp(1.35rem, 5vw, 1.8rem);
            }
            
            .game-card-img {
                height: 170px;
            }
            
            .cta-banner {
                padding: 32px 24px;
            }
            
            .fixed-cta-content {
                flex-direction: column;
                gap: 8px;
            }
            
            .fixed-cta-text {
                text-align: center;
                font-size: 0.78rem;
            }
            
            .floating-fab {
                width: 48px;
                height: 48px;
                bottom: 120px;
                font-size: 1.1rem;
            }
            
            .stat-card {
                padding: 14px 16px;
            }
            
            .stat-number {
                font-size: 1.4rem;
            }
        }
        
        @media (max-width: 520px) {
            .container, .container-wide {
                padding-left: 12px;
                padding-right: 12px;
            }
            
            .hero-overlay {
                padding: 52px 0 40px;
            }
            
            .hero-title {
                font-size: clamp(1.5rem, 7vw, 1.8rem);
            }
            
            .game-card-img {
                height: 150px;
            }
            
            .game-card-content {
                padding: 14px;
            }
            
            .game-card-title {
                font-size: 1rem;
            }
            
            .game-card-desc {
                font-size: 0.8rem;
            }
            
            .ranking-card {
                padding: 18px;
            }
            
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            
            .faq-answer {
                padding: 0 16px;
            }
            
            .faq-answer.open {
                padding: 0 16px 16px;
            }
            
            .cta-banner {
                padding: 24px 18px;
            }
            
            .cta-title {
                font-size: 1.3rem;
            }
            
            .cta-desc {
                font-size: 0.9rem;
            }
            
            .list-item {
                gap: 12px;
                padding: 14px 0;
            }
            
            .list-item-icon {
                width: 38px;
                height: 38px;
                font-size: 0.95rem;
            }
            
            .list-item-title {
                font-size: 0.95rem;
            }
            
            .list-item-desc {
                font-size: 0.8rem;
            }
            
            .step-item {
                padding: 14px 16px;
            }
            
            .step-title {
                font-size: 0.95rem;
            }
            
            .step-desc {
                font-size: 0.78rem;
            }
        }

/* roulang page: article */
/* ==================== DESIGN SYSTEM ==================== */
        :root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-glass: rgba(13, 17, 30, 0.75);
            --bg-glass-strong: rgba(8, 9, 15, 0.92);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --border-glass: rgba(0, 240, 255, 0.18);
            --border-blue: rgba(0, 82, 255, 0.4);
            --glow-cyan: rgba(0, 240, 255, 0.5);
            --glow-blue: rgba(0, 82, 255, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

        /* ==================== BASE RESET ==================== */
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 78px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus, a:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

        /* ==================== CONTAINERS ==================== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .container-wide {
            max-width: 1400px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .article-body-container {
            max-width: 820px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ==================== GLASS CARD ==================== */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .glass-card:hover {
            border-color: rgba(0, 240, 255, 0.38);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        /* ==================== BUTTONS ==================== */
        .glow-btn {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border-radius: 50px;
            transition: all var(--transition-smooth);
            text-align: center;
            line-height: 1.2;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
        }
        .glow-btn-primary {
            background: linear-gradient(135deg, #0052FF 0%, #0033AA 100%);
            color: #FFFFFF;
            border: 1px solid rgba(0, 240, 255, 0.4);
        }
        .glow-btn-primary:hover {
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.65), 0 0 12px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
            color: #FFFFFF;
        }
        .glow-btn-outline {
            background: transparent;
            color: var(--accent-cyan);
            border: 1.5px solid var(--accent-cyan);
        }
        .glow-btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
            color: var(--accent-cyan);
        }
        .glow-btn-accent {
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            color: #08090F;
            border: 1px solid rgba(0, 240, 255, 0.6);
            font-weight: 800;
        }
        .glow-btn-accent:hover {
            box-shadow: 0 0 36px rgba(0, 240, 255, 0.6);
            transform: translateY(-2px) scale(1.02);
            color: #08090F;
        }

        /* ==================== BADGES ==================== */
        .badge-hot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #FF4444, #CC0000);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 0.78rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            padding: 6px 14px;
            border-radius: 50px;
            box-shadow: 0 0 14px rgba(255, 68, 68, 0.5);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.75rem;
            letter-spacing: 0.04em;
            padding: 4px 10px;
            border-radius: 50px;
            border: 1px solid rgba(0, 240, 255, 0.25);
        }
        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #FFD700, #FFAA00);
            color: #1A1A1A;
            font-weight: 800;
            font-size: 0.72rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            padding: 4px 12px;
            border-radius: 50px;
        }

        /* ==================== NAVIGATION ==================== */
        .header-blur {
            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);
        }
        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.01em;
            color: var(--text-silver);
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--accent-cyan);
        }
        .nav-link.active {
            color: var(--accent-cyan);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
            border-radius: 2px;
        }
        .mobile-menu-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid rgba(0, 240, 255, 0.2);
            background: rgba(0, 240, 255, 0.05);
            transition: background var(--transition-fast);
        }
        .mobile-menu-btn:hover {
            background: rgba(0, 240, 255, 0.12);
        }
        .mobile-menu-btn span {
            width: 22px;
            height: 2px;
            background: var(--text-white);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* ==================== ARTICLE HERO ==================== */
        .article-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center 35%;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.2) 0%, rgba(8, 9, 15, 0.6) 45%, rgba(8, 9, 15, 0.95) 100%);
            z-index: 1;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top right, rgba(0, 82, 255, 0.25) 0%, transparent 55%);
            z-index: 1;
            pointer-events: none;
        }
        .article-hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 0 40px;
            width: 100%;
        }
        .article-meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-silver);
            background: rgba(8, 9, 15, 0.7);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            padding: 8px 16px;
            border-radius: 50px;
            border: 1px solid rgba(0, 240, 255, 0.2);
            margin-bottom: 16px;
        }
        .article-divider {
            width: 64px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
            border-radius: 3px;
            margin: 18px 0;
        }

        /* ==================== ARTICLE BODY / CMS CONTENT ==================== */
        .cms-content-wrapper {
            font-size: 1.05rem;
            line-height: 1.75;
            color: #E2E8F0;
        }
        .cms-content-wrapper h2,
        .cms-content-wrapper h3,
        .cms-content-wrapper h4 {
            color: var(--text-white);
            font-weight: 700;
            line-height: 1.35;
            margin-top: 2rem;
            margin-bottom: 0.9rem;
        }
        .cms-content-wrapper h2 {
            font-size: 1.7rem;
            letter-spacing: -0.01em;
            position: relative;
            padding-left: 1rem;
        }
        .cms-content-wrapper h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.3em;
            bottom: 0.3em;
            width: 4px;
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-blue));
            border-radius: 4px;
        }
        .cms-content-wrapper h3 {
            font-size: 1.3rem;
            color: var(--accent-cyan);
        }
        .cms-content-wrapper p {
            margin-bottom: 1.25rem;
        }
        .cms-content-wrapper ul,
        .cms-content-wrapper ol {
            margin: 0 0 1.5rem 1.5rem;
            padding: 0;
        }
        .cms-content-wrapper li {
            margin-bottom: 0.6rem;
            padding-left: 0.25rem;
        }
        .cms-content-wrapper ul li::marker {
            color: var(--accent-cyan);
        }
        .cms-content-wrapper blockquote {
            margin: 1.5rem 0;
            padding: 1rem 1.5rem;
            border-left: 3px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-silver);
            font-style: italic;
        }
        .cms-content-wrapper a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .cms-content-wrapper a:hover {
            color: #66F5FF;
        }
        .cms-content-wrapper img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-card);
        }
        .cms-content-wrapper table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .cms-content-wrapper table th,
        .cms-content-wrapper table td {
            padding: 10px 14px;
            border: 1px solid rgba(0, 240, 255, 0.2);
            text-align: left;
        }
        .cms-content-wrapper table th {
            background: rgba(0, 82, 255, 0.2);
            color: var(--accent-cyan);
            font-weight: 700;
        }

        /* ==================== NOT FOUND ==================== */
        .not-found-box {
            text-align: center;
            padding: 60px 24px;
            border-radius: var(--radius-lg);
            border: 1.5px dashed rgba(0, 240, 255, 0.3);
            background: rgba(0, 240, 255, 0.04);
        }
        .not-found-icon {
            font-size: 3.5rem;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
            opacity: 0.7;
        }

        /* ==================== RELATED CARDS ==================== */
        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.2);
        }
        .related-card-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .related-card-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-tag {
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            color: var(--accent-cyan);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .related-card-title {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-white);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-excerpt {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card-link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
            transition: gap var(--transition-fast);
        }
        .related-card-link:hover {
            gap: 10px;
            color: #66F5FF;
        }

        /* ==================== FIXED BOTTOM CTA BAR ==================== */
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(0, 240, 255, 0.18);
            padding: 12px 0;
            box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.5);
        }
        .fixed-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .fixed-cta-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-silver);
            line-height: 1.4;
        }
        .fixed-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: 50px;
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            color: #08090F;
            font-weight: 800;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            border: 1px solid rgba(0, 240, 255, 0.5);
        }
        .fixed-cta-btn:hover {
            box-shadow: 0 0 36px rgba(0, 240, 255, 0.55);
            transform: translateY(-2px);
            color: #08090F;
        }

        /* ==================== FAB ==================== */
        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 112px;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50px;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1.5px solid transparent;
            background-clip: padding-box;
            position: relative;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            animation: fabBreathing 3s ease-in-out infinite;
        }
        .fab-neon::before {
            content: '';
            position: absolute;
            inset: -1.5px;
            border-radius: 50px;
            background: linear-gradient(135deg, #00F0FF, #0052FF, #00F0FF);
            background-size: 200% 200%;
            animation: gradientFlow 4s ease infinite;
            z-index: -1;
        }
        .fab-neon::after {
            content: '';
            position: absolute;
            inset: 3px;
            border-radius: 50px;
            background: rgba(8, 9, 15, 0.85);
            z-index: -1;
        }
        @keyframes gradientFlow {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }
        @keyframes fabBreathing {
            0%, 100% { opacity: 0.6; transform: scale(1); }
            50% { opacity: 1; transform: scale(1.04); }
        }
        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.65);
            transform: scale(1.1);
            animation: none;
        }
        .fab-neon:active {
            transform: scale(0.95);
        }
        .fab-neon-icon {
            font-size: 1.3rem;
            color: var(--accent-cyan);
            position: relative;
            z-index: 1;
            transition: all var(--transition-fast);
        }
        .fab-neon:hover .fab-neon-icon {
            animation: iconFlicker 0.6s ease-in-out;
        }
        @keyframes iconFlicker {
            0%, 100% { opacity: 1; }
            25% { opacity: 0.4; }
            50% { opacity: 1; }
            75% { opacity: 0.6; }
        }
        .fab-notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF4444;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            z-index: 2;
            animation: blinkDot 1.6s ease-in-out infinite;
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.8); }
        }

        /* ==================== FOOTER ==================== */
        .footer-section {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 48px 0 32px;
            margin-top: 60px;
        }
        .footer-title {
            font-size: 0.8rem;
            font-weight: 800;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }
        .footer-link {
            display: block;
            font-size: 0.9rem;
            color: var(--text-silver);
            margin-bottom: 10px;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .footer-link:hover {
            color: var(--accent-cyan);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(203, 213, 225, 0.1);
            padding-top: 20px;
            font-size: 0.85rem;
            color: rgba(203, 213, 225, 0.7);
        }

        /* ==================== FAQ SECTION ==================== */
        .faq-item {
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            background: rgba(13, 17, 30, 0.6);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-white);
            text-align: left;
            transition: background var(--transition-fast);
            cursor: pointer;
        }
        .faq-question:hover {
            background: rgba(0, 240, 255, 0.05);
        }
        .faq-question i {
            color: var(--accent-cyan);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.65;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* ==================== RESPONSIVE ==================== */
        @media (max-width: 1024px) {
            .article-hero {
                min-height: 360px;
            }
        }
        @media (max-width: 768px) {
            .container, .article-body-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .article-hero {
                min-height: 300px;
            }
            .article-hero-content {
                padding: 32px 0 28px;
            }
            .fixed-cta-text {
                font-size: 0.78rem;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            .fixed-cta-btn {
                padding: 10px 16px;
                font-size: 0.75rem;
                gap: 6px;
            }
            .cms-content-wrapper {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .cms-content-wrapper h2 {
                font-size: 1.35rem;
            }
            .cms-content-wrapper h3 {
                font-size: 1.15rem;
            }
            .fab-neon {
                width: 48px;
                height: 48px;
                bottom: 104px;
                left: 12px;
            }
            .fab-neon-icon {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .article-hero {
                min-height: 260px;
            }
            .article-meta-badge {
                font-size: 0.7rem;
                padding: 6px 12px;
                gap: 6px;
            }
            .related-card-body {
                padding: 14px;
            }
            .related-card-title {
                font-size: 0.9rem;
            }
            .related-card-excerpt {
                font-size: 0.78rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-glass: rgba(13, 17, 30, 0.75);
            --bg-glass-strong: rgba(8, 9, 15, 0.9);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --border-glass: rgba(0, 240, 255, 0.18);
            --border-blue: rgba(0, 82, 255, 0.4);
            --glow-cyan: rgba(0, 240, 255, 0.5);
            --glow-blue: rgba(0, 82, 255, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            margin: 0;
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
        a:hover { color: var(--accent-cyan); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
        button { cursor: pointer; border: none; background: none; }
        button:focus, a:focus, input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-cyan); outline-offset: 2px; }
        .container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
        .container-wide { max-width: 1400px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .glass-card:hover { border-color: rgba(0, 240, 255, 0.38); box-shadow: var(--shadow-glow); transform: translateY(-3px); }
        .glow-btn {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border-radius: 50px;
            transition: all var(--transition-smooth);
            text-align: center;
            line-height: 1.2;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
        }
        .glow-btn-primary {
            background: linear-gradient(135deg, #0052FF 0%, #0033AA 100%);
            color: #FFFFFF;
            border: 1px solid rgba(0, 240, 255, 0.4);
        }
        .glow-btn-primary:hover { box-shadow: 0 0 32px rgba(0, 82, 255, 0.65), 0 0 12px rgba(0, 240, 255, 0.4); transform: translateY(-2px); color: #FFFFFF; }
        .glow-btn-outline {
            background: transparent;
            color: var(--accent-cyan);
            border: 1.5px solid var(--accent-cyan);
        }
        .glow-btn-outline:hover { background: rgba(0, 240, 255, 0.1); box-shadow: 0 0 24px rgba(0, 240, 255, 0.4); transform: translateY(-2px); color: var(--accent-cyan); }
        .glow-btn-accent {
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            color: #08090F;
            border: 1px solid rgba(0, 240, 255, 0.6);
            font-weight: 800;
        }
        .glow-btn-accent:hover { box-shadow: 0 0 36px rgba(0, 240, 255, 0.6); transform: translateY(-2px) scale(1.02); color: #08090F; }
        .badge-hot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #FF4444, #CC0000);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 0.78rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            padding: 6px 14px;
            border-radius: 50px;
            box-shadow: 0 0 14px rgba(255, 68, 68, 0.5);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.75rem;
            letter-spacing: 0.04em;
            padding: 4px 10px;
            border-radius: 50px;
            border: 1px solid rgba(0, 240, 255, 0.25);
        }
        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #FFD700, #FFAA00);
            color: #1A1A1A;
            font-weight: 800;
            font-size: 0.72rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            padding: 5px 12px;
            border-radius: 50px;
        }
        .header-blur {
            background: rgba(8, 9, 15, 0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
        }
        .nav-link {
            position: relative;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-silver);
            transition: color var(--transition-fast);
            padding: 0.5rem 0;
        }
        .nav-link:hover { color: var(--text-white); }
        .nav-link.active { color: var(--accent-cyan); }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
            border-radius: 2px;
        }
        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-white);
            margin: 5px 0;
            transition: all var(--transition-fast);
        }
        .mobile-menu-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
        .mobile-menu-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
        .hero-section {
            position: relative;
            padding: 140px 0 80px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,9,15,0.85) 0%, rgba(8,9,15,0.95) 100%);
            z-index: 1;
        }
        .hero-content { position: relative; z-index: 2; }
        .progress-ring {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: conic-gradient(var(--accent-cyan) 0% 85%, rgba(0,240,255,0.12) 85% 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            box-shadow: 0 0 30px rgba(0,240,255,0.3);
        }
        .progress-ring::before {
            content: '';
            position: absolute;
            inset: 12px;
            border-radius: 50%;
            background: #0D111E;
        }
        .progress-ring span {
            position: relative;
            z-index: 1;
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--accent-cyan);
        }
        .game-card {
            position: relative;
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        .game-card:hover {
            border-color: rgba(0,240,255,0.45);
            box-shadow: 0 0 30px rgba(0,240,255,0.25);
            transform: translateY(-5px);
        }
        .game-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-glass);
        }
        .game-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0.75rem 1rem 0.25rem;
        }
        .game-card p {
            font-size: 0.85rem;
            color: var(--text-silver);
            margin: 0 1rem 1rem;
            line-height: 1.5;
        }
        .benefit-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0,240,255,0.15), rgba(0,82,255,0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            border: 1px solid rgba(0,240,255,0.25);
        }
        .faq-item {
            border: 1px solid rgba(0,240,255,0.15);
            border-radius: var(--radius-md);
            background: rgba(13,17,30,0.6);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover { border-color: rgba(0,240,255,0.3); }
        .faq-question {
            padding: 1rem 1.25rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-white);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 1.25rem;
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .faq-item.active .faq-answer { max-height: 200px; padding-bottom: 1rem; }
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(8, 9, 15, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(0,240,255,0.3);
            padding: 12px 0;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }
        .fixed-cta-bar.show { transform: translateY(0); }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 70;
        }
        .fab-left .fab-button {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8,9,15,0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(#0D111E, #0D111E), linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0,240,255,0.4);
            transition: all var(--transition-smooth);
            animation: breathe 2.5s infinite ease-in-out;
        }
        .fab-left .fab-button:hover { transform: scale(1.1); box-shadow: 0 0 30px rgba(0,240,255,0.7); }
        @keyframes breathe {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }
        .footer-section {
            background: #06070D;
            border-top: 1px solid rgba(0,240,255,0.15);
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        .footer-link {
            display: block;
            color: var(--text-silver);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-link:hover { color: var(--accent-cyan); }
        .footer-bottom {
            border-top: 1px solid rgba(0,240,255,0.1);
            padding-top: 20px;
            text-align: center;
            color: var(--text-silver);
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .hero-section { padding: 120px 0 50px; }
            .progress-ring { width: 100px; height: 100px; }
            .progress-ring span { font-size: 1.2rem; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-glass: rgba(13, 17, 30, 0.75);
            --bg-glass-strong: rgba(8, 9, 15, 0.9);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --border-glass: rgba(0, 240, 255, 0.18);
            --border-blue: rgba(0, 82, 255, 0.4);
            --glow-cyan: rgba(0, 240, 255, 0.5);
            --glow-blue: rgba(0, 82, 255, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

        body {
            margin: 0;
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image: radial-gradient(circle at 20% 20%, rgba(0, 82, 255, 0.06) 0%, transparent 50%), radial-gradient(circle at 80% 60%, rgba(0, 240, 255, 0.04) 0%, transparent 50%);
        }

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

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

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

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

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

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

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

        .container-wide {
            max-width: 1400px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .glass-card:hover {
            border-color: rgba(0, 240, 255, 0.38);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .glow-btn {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border-radius: 50px;
            transition: all var(--transition-smooth);
            text-align: center;
            line-height: 1.2;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
        }

        .glow-btn-primary {
            background: linear-gradient(135deg, #0052FF 0%, #0033AA 100%);
            color: #FFFFFF;
            border: 1px solid rgba(0, 240, 255, 0.4);
        }

        .glow-btn-primary:hover {
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.65), 0 0 12px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
            color: #FFFFFF;
        }

        .glow-btn-outline {
            background: transparent;
            color: var(--accent-cyan);
            border: 1.5px solid var(--accent-cyan);
        }

        .glow-btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
            color: var(--accent-cyan);
        }

        .glow-btn-accent {
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            color: #08090F;
            border: 1px solid rgba(0, 240, 255, 0.6);
            font-weight: 800;
        }

        .glow-btn-accent:hover {
            box-shadow: 0 0 36px rgba(0, 240, 255, 0.6);
            transform: translateY(-2px) scale(1.02);
            color: #08090F;
        }

        .badge-hot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #FF4444, #CC0000);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 0.78rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            padding: 6px 14px;
            border-radius: 50px;
            box-shadow: 0 0 14px rgba(255, 68, 68, 0.5);
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.75rem;
            letter-spacing: 0.04em;
            padding: 4px 10px;
            border-radius: 50px;
            border: 1px solid rgba(0, 240, 255, 0.25);
        }

        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #FFD700, #FFAA00);
            color: #1A1A1A;
            font-weight: 800;
            font-size: 0.72rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            padding: 5px 12px;
            border-radius: 50px;
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.4);
        }

        .header-blur {
            background: rgba(8, 9, 15, 0.88);
            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);
        }

        .header-blur.scrolled {
            background: rgba(8, 9, 15, 0.97);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
        }

        .nav-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-silver);
            transition: color var(--transition-fast);
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--text-white);
        }

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
            border-radius: 2px;
        }

        .mobile-menu-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--border-glass);
            background: var(--bg-glass);
            transition: all var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            border-color: var(--border-blue);
            background: rgba(0, 82, 255, 0.1);
        }

        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-white);
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .section-pad {
            padding: 72px 0;
        }

        .section-pad-sm {
            padding: 48px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 680px;
            line-height: 1.65;
        }

        .hero-banner {
            background-image: linear-gradient(180deg, rgba(8, 9, 15, 0.65) 0%, rgba(8, 9, 15, 0.92) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 130px 0 72px;
            position: relative;
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(0, 82, 255, 0.08) 0%, transparent 50%, rgba(0, 240, 255, 0.05) 100%);
            pointer-events: none;
        }

        .stat-block {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all var(--transition-smooth);
        }

        .stat-block:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: var(--shadow-glow);
        }

        .stat-number {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.8rem;
            color: var(--text-silver);
            font-weight: 500;
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-num {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #0052FF, #0033AA);
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.1rem;
            color: #FFFFFF;
            border: 1.5px solid rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 16px rgba(0, 82, 255, 0.4);
        }

        .device-card {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
        }

        .device-card:hover {
            border-color: rgba(0, 240, 255, 0.35);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .device-icon {
            font-size: 2.2rem;
            color: var(--accent-cyan);
            margin-bottom: 12px;
            display: inline-block;
            background: rgba(0, 240, 255, 0.08);
            width: 64px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

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

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .feature-list li i {
            color: var(--accent-cyan);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .faq-item {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.95rem;
            text-align: left;
            transition: all var(--transition-fast);
        }

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

        .faq-question i {
            flex-shrink: 0;
            color: var(--accent-cyan);
            transition: transform var(--transition-smooth);
            font-size: 0.85rem;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

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

        .faq-answer p {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.65;
            margin: 0;
        }

        .footer-section {
            background: var(--bg-glass-strong);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            padding: 56px 0 32px;
            margin-top: 40px;
        }

        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-link {
            display: block;
            color: var(--text-silver);
            font-size: 0.88rem;
            padding: 6px 0;
            transition: all var(--transition-fast);
        }

        .footer-link:hover {
            color: var(--accent-cyan);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-silver);
        }

        .cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(8, 9, 15, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 14px 0;
            z-index: 40;
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
        }

        .cta-bar.visible {
            transform: translateY(0);
        }

        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 54px;
            height: 54px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(8, 9, 15, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            transition: all var(--transition-smooth);
            position: relative;
            opacity: 0.7;
        }

        .fab-left::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            z-index: -1;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.6);
        }

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

        .fab-left .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            background: #FF4444;
            border-radius: 50%;
            border: 2px solid #08090F;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }

        .animate-glow-pulse {
            animation: glow-pulse 2.5s ease-in-out infinite;
        }

        @keyframes glow-pulse {
            0%, 100% { box-shadow: 0 0 12px rgba(0, 240, 255, 0.25); }
            50% { box-shadow: 0 0 32px rgba(0, 240, 255, 0.55); }
        }

        .divider-gradient {
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.3), rgba(0, 82, 255, 0.4), rgba(0, 240, 255, 0.3), transparent);
            border: none;
            margin: 0 auto;
            max-width: 600px;
            border-radius: 2px;
        }

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

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .check-list li i {
            color: #00E676;
            margin-top: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .section-title {
                font-size: 1.7rem;
            }
            .section-pad {
                padding: 56px 0;
            }
        }

        @media (max-width: 768px) {
            .container, .container-wide {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .section-pad {
                padding: 44px 0;
            }
            .hero-banner {
                padding: 110px 0 48px;
            }
            .stat-number {
                font-size: 1.35rem;
            }
            .glow-btn {
                padding: 11px 20px;
                font-size: 0.85rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 88px;
            }
            .cta-bar {
                padding: 10px 0;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 1.25rem;
            }
            .hero-banner {
                padding: 100px 0 40px;
            }
            .stat-number {
                font-size: 1.15rem;
            }
            .device-card {
                padding: 20px 16px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.85rem;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }