/* roulang page: index */
:root {
            --bg-deep: #0B1A30;
            --bg-dark: #0F0C20;
            --bg-card: rgba(255, 255, 255, 0.06);
            --bg-glass: rgba(15, 12, 32, 0.72);
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-soft: #D1F2EB;
            --border-glow: rgba(0, 240, 255, 0.35);
            --border-soft: rgba(255, 255, 255, 0.14);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.4);
            --shadow-lime: 0 0 18px rgba(204, 255, 0, 0.35);
            --shadow-pink: 0 0 18px rgba(255, 0, 127, 0.35);
            --font-base: 'Segoe UI', 'Roboto', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            background: radial-gradient(ellipse at 20% 10%, #1a0f2e 0%, var(--bg-dark) 40%, var(--bg-deep) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 240, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        button:focus,
        .btn:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px rgba(0, 240, 255, 0.2);
        }

        .container {
            max-width: 1240px;
            width: 100%;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
            position: relative;
            z-index: 1;
        }

        .section-gap {
            padding-top: 5.5rem;
            padding-bottom: 5.5rem;
        }

        .section-gap-sm {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }

        .text-gradient-cyan {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-lime) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .text-gradient-lime {
            background: linear-gradient(135deg, var(--accent-lime) 0%, #FFFFFF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(11, 26, 48, 0.9);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-soft);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11, 26, 48, 0.97);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.55);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
            gap: 1.5rem;
        }

        .navbar-brand-custom {
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
            line-height: 1.2;
        }

        .navbar-brand-custom .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(0, 240, 255, 0.5), rgba(15, 12, 32, 0.9));
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-lime);
            flex-shrink: 0;
            box-shadow: var(--shadow-neon);
        }

        .navbar-brand-custom:hover {
            color: var(--text-primary);
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-link-custom {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-link-custom::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--text-primary);
        }

        .nav-link-custom:hover::after,
        .nav-link-custom.active::after {
            width: 100%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login-text {
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            background: transparent;
            border: none;
            padding: 0.5rem 1rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login-text:hover {
            color: var(--accent-lime);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-cyan), #00B8D4);
            color: #000;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.6rem 1.5rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(0, 240, 255, 0.4);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 240, 255, 0.55);
            background: linear-gradient(135deg, #33F5FF, #00E0F0);
        }

        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: 1px solid var(--border-soft);
            border-radius: 10px;
            padding: 0.5rem 0.7rem;
            color: var(--text-primary);
            font-size: 1.3rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .navbar-toggler-custom:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 74px;
            left: 0;
            width: 100%;
            background: rgba(11, 26, 48, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-soft);
            padding: 1.5rem 1.25rem;
            z-index: 1049;
            flex-direction: column;
            gap: 1rem;
            transition: var(--transition-slow);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link-custom {
            font-size: 1.15rem;
            padding: 0.75rem 0;
        }

        .mobile-menu .header-actions {
            flex-direction: column;
            align-items: stretch;
            gap: 0.75rem;
            margin-top: 0.5rem;
        }

        .mobile-menu .btn-signup {
            width: 100%;
            text-align: center;
            padding: 0.85rem;
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding-top: 9.5rem;
            padding-bottom: 6rem;
            overflow: hidden;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(11, 26, 48, 0.82) 0%, rgba(15, 12, 32, 0.9) 55%, rgba(11, 26, 48, 0.97) 100%);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: 15%;
            right: -150px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 1;
            animation: heroGlow 6s ease-in-out infinite;
        }

        @keyframes heroGlow {
            0%, 100% { transform: translateY(0) scale(1); opacity: 0.6; }
            50% { transform: translateY(-30px) scale(1.1); opacity: 1; }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 0, 127, 0.18);
            border: 1px solid rgba(255, 0, 127, 0.5);
            color: #FF79C6;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.45rem 1.2rem;
            border-radius: 50px;
            margin-bottom: 1.5rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.25);
        }

        .hero-badge i {
            font-size: 0.8rem;
            animation: pulseIcon 1.8s ease-in-out infinite;
        }

        @keyframes pulseIcon {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.25); }
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: 1.25rem;
            color: var(--text-primary);
        }

        .hero-title .highlight {
            display: block;
            font-size: 2.6rem;
            margin-top: 0.5rem;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 620px;
        }

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

        .btn-primary-glow {
            background: linear-gradient(135deg, var(--accent-cyan), #00B8D4);
            color: #000;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 0.95rem 2.2rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 28px rgba(0, 240, 255, 0.5);
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-primary-glow:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 240, 255, 0.65);
            background: linear-gradient(135deg, #33F5FF, #00E0F0);
            color: #000;
        }

        .btn-secondary-glow {
            background: rgba(204, 255, 0, 0.12);
            color: var(--accent-lime);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 0.95rem 2.2rem;
            border: 2px solid var(--accent-lime);
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-secondary-glow:hover {
            background: rgba(204, 255, 0, 0.22);
            box-shadow: 0 6px 28px rgba(204, 255, 0, 0.4);
            color: var(--accent-lime);
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-soft);
        }

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-lime);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.3rem;
        }

        .hero-deco {
            position: absolute;
            right: 5%;
            top: 50%;
            transform: translateY(-50%);
            z-index: 2;
            width: 400px;
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-deco-ring {
            position: absolute;
            width: 100%;
            height: 100%;
            border: 2px dashed rgba(0, 240, 255, 0.3);
            border-radius: 50%;
            animation: spinSlow 25s linear infinite;
        }

        .hero-deco-ring:nth-child(2) {
            width: 75%;
            height: 75%;
            border-color: rgba(204, 255, 0, 0.25);
            animation-direction: reverse;
            animation-duration: 18s;
        }

        .hero-deco-ring:nth-child(3) {
            width: 50%;
            height: 50%;
            border-color: rgba(255, 0, 127, 0.25);
            animation-duration: 12s;
        }

        @keyframes spinSlow {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .hero-deco-icon {
            position: relative;
            z-index: 3;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, rgba(0, 240, 255, 0.4), rgba(15, 12, 32, 0.95));
            border: 3px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3.5rem;
            color: var(--accent-lime);
            box-shadow: 0 0 50px rgba(0, 240, 255, 0.5);
            animation: floatSlow 5s ease-in-out infinite;
        }

        @keyframes floatSlow {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
        }

        /* Countdown */
        .countdown-section {
            background: rgba(11, 26, 48, 0.8);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
            padding: 2.5rem 0;
        }

        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .countdown-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .countdown-title i {
            color: var(--accent-pink);
            font-size: 1.6rem;
            animation: pulseIcon 2s ease-in-out infinite;
        }

        .countdown-timer {
            display: flex;
            gap: 1rem;
        }

        .countdown-box {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 0.9rem 1.4rem;
            text-align: center;
            min-width: 80px;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.15);
        }

        .countdown-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-cyan);
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .countdown-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-top: 0.3rem;
        }

        /* Section Titles */
        .section-header {
            margin-bottom: 3rem;
            text-align: left;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-cyan);
            margin-bottom: 0.75rem;
        }

        .section-label::before {
            content: '';
            width: 32px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            border-radius: 2px;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        .section-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
        }

        /* Feature Wall */
        .feature-wall {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 10px 40px rgba(0, 240, 255, 0.2);
            transform: translateY(-5px);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid var(--border-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-cyan);
            margin-bottom: 1.25rem;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.2);
        }

        .feature-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .feature-card p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Comparison Section */
        .comparison-section {
            background: rgba(15, 12, 32, 0.6);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            overflow: hidden;
        }

        .comparison-table-wrap {
            overflow-x: auto;
            padding: 2rem;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .comparison-table th {
            text-align: left;
            padding: 1.25rem 1.5rem;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-cyan);
            border-bottom: 2px solid var(--border-glow);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .comparison-table td {
            padding: 1.25rem 1.5rem;
            font-size: 1rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-soft);
            line-height: 1.6;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table td:first-child {
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .badge-cyan {
            background: rgba(0, 240, 255, 0.15);
            color: var(--accent-cyan);
            font-weight: 700;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            border: 1px solid rgba(0, 240, 255, 0.4);
        }

        /* News Section */
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
            align-items: start;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 1.25rem;
            padding: 1.5rem;
            background: var(--bg-glass);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            transition: var(--transition);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .news-item:hover {
            border-color: var(--border-glow);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.18);
            transform: translateX(4px);
        }

        .news-item-icon {
            width: 50px;
            height: 50px;
            flex-shrink: 0;
            border-radius: 12px;
            background: rgba(204, 255, 0, 0.12);
            border: 1px solid rgba(204, 255, 0, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-lime);
        }

        .news-item-content {
            flex: 1;
        }

        .news-item-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }

        .news-item-title a {
            color: var(--text-primary);
        }

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

        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .news-item-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .news-sidebar {
            background: var(--bg-glass);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 2rem;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .news-sidebar h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-soft);
        }

        .news-sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-sidebar-list li {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .news-sidebar-list li i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(15, 12, 32, 0.95) 50%, rgba(204, 255, 0, 0.08) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 4rem 3rem;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .cta-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: var(--bg-glass);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .faq-item:hover {
            border-color: var(--border-glow);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1.1rem;
            padding: 1.5rem 2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: var(--transition);
            letter-spacing: 0.01em;
        }

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

        .faq-question i {
            transition: var(--transition);
            color: var(--accent-cyan);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 2rem 1.5rem;
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: rgba(11, 26, 48, 0.95);
            border-top: 1px solid var(--border-soft);
            padding: 4rem 0 2rem;
            margin-top: 5rem;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .footer-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 420px;
        }

        .footer-heading {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-links li a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        .footer-links li a i {
            font-size: 0.7rem;
            color: var(--accent-cyan);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-copyright {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .footer-badges {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .footer-badge i {
            color: var(--accent-lime);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 1.25rem;
            bottom: 6rem;
            z-index: 1050;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-lime);
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.45);
            transition: var(--transition);
            opacity: 0.65;
            animation: fabBreath 3.5s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% { transform: translateY(0); opacity: 0.65; }
            50% { transform: translateY(-6px); opacity: 1; }
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.65);
            color: var(--accent-lime);
        }

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

        .fab-notification {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 16px;
            height: 16px;
            background: var(--accent-pink);
            border-radius: 50%;
            border: 2px solid var(--bg-dark);
            box-shadow: 0 0 12px rgba(255, 0, 127, 0.7);
            animation: blinkDot 1.8s ease-in-out infinite;
        }

        @keyframes blinkDot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.3); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.8rem;
            }

            .hero-title .highlight {
                font-size: 2.1rem;
            }

            .hero-deco {
                width: 300px;
                height: 300px;
                right: 2%;
                opacity: 0.6;
            }

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

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

            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }

            .navbar-nav-custom {
                display: none;
            }

            .navbar-toggler-custom {
                display: block;
            }

            .header-actions {
                display: none;
            }

            .mobile-menu .header-actions {
                display: flex;
            }

            .hero-section {
                padding-top: 7rem;
                padding-bottom: 4rem;
                min-height: auto;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .hero-title .highlight {
                font-size: 1.7rem;
            }

            .hero-subtitle {
                font-size: 1.05rem;
            }

            .hero-deco {
                display: none;
            }

            .hero-stats {
                gap: 1.5rem;
            }

            .hero-stat-number {
                font-size: 1.6rem;
            }

            .countdown-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .countdown-timer {
                width: 100%;
                justify-content: space-between;
            }

            .countdown-box {
                min-width: 60px;
                padding: 0.7rem 1rem;
            }

            .countdown-number {
                font-size: 1.6rem;
            }

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

            .feature-wall {
                grid-template-columns: 1fr;
            }

            .comparison-table-wrap {
                padding: 1rem;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-section {
                padding: 2.5rem 1.5rem;
            }

            .cta-title {
                font-size: 1.8rem;
            }

            .faq-question {
                font-size: 1rem;
                padding: 1.25rem 1.5rem;
            }

            .faq-answer-inner {
                padding: 0 1.5rem 1.25rem;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

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

            .fab-left {
                width: 50px;
                height: 50px;
                font-size: 1.4rem;
                left: 1rem;
                bottom: 5rem;
            }

            .section-gap {
                padding-top: 4rem;
                padding-bottom: 4rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .hero-title {
                font-size: 1.9rem;
            }

            .hero-title .highlight {
                font-size: 1.5rem;
            }

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

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

            .hero-cta-group .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }

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

            .section-desc {
                font-size: 1rem;
            }

            .countdown-box {
                min-width: 50px;
                padding: 0.6rem 0.8rem;
            }

            .countdown-number {
                font-size: 1.4rem;
            }

            .comparison-table th,
            .comparison-table td {
                padding: 0.9rem 1rem;
                font-size: 0.9rem;
            }

            .news-item {
                padding: 1.25rem;
            }

            .news-item-title {
                font-size: 1rem;
            }

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

/* roulang page: article */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.85);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFD700;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glow: rgba(0, 240, 255, 0.35);
            --shadow-neon: 0 0 20px rgba(0, 82, 255, 0.25);
            --shadow-cyan: 0 0 15px rgba(0, 240, 255, 0.5);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 56px;
            --spacing-xl: 80px;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        /* ========== HEADER ========== */
        .site-header {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-white);
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-white);
            box-shadow: var(--shadow-cyan);
        }

        .brand-text {
            font-weight: 800;
            font-size: 1.1rem;
            line-height: 1.2;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #FFFFFF, #CBD5E1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-link-custom {
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: 50px;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: var(--shadow-cyan);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }

        .btn-login {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 18px;
            border-radius: 50px;
            transition: all 0.3s ease;
        }

        .btn-login:hover {
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 50px;
            box-shadow: var(--shadow-cyan);
            transition: all 0.3s ease;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
            color: var(--text-white);
        }

        /* ========== ARTICLE BODY ========== */
        .article-main {
            padding: var(--spacing-lg) 0 var(--spacing-xl);
            min-height: 70vh;
        }

        .article-header {
            margin-bottom: var(--spacing-md);
            position: relative;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .article-breadcrumb a {
            color: var(--text-silver);
        }

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

        .article-category-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }

        .article-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
            color: var(--text-white);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-wrap: wrap;
            padding-bottom: var(--spacing-sm);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .article-meta i {
            color: var(--accent-cyan);
            margin-right: 4px;
        }

        .article-cover {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            margin-bottom: var(--spacing-md);
            box-shadow: var(--shadow-neon);
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-silver);
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin: var(--spacing-md) 0 var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-white);
            margin: var(--spacing-sm) 0 var(--spacing-xs);
        }

        .article-content p {
            margin-bottom: var(--spacing-sm);
        }

        .article-content ul,
        .article-content ol {
            margin: var(--spacing-sm) 0;
            padding-left: 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: var(--spacing-sm) 0;
            box-shadow: var(--shadow-neon);
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: var(--spacing-md) 0;
            font-style: italic;
            color: var(--text-white);
        }

        .article-not-found {
            text-align: center;
            padding: var(--spacing-xl) 0;
        }

        .article-not-found i {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
            display: block;
        }

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

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.08), rgba(0, 240, 255, 0.05));
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            margin-top: var(--spacing-lg);
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
        }

        .cta-section p {
            color: var(--text-silver);
            margin-bottom: var(--spacing-md);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            box-shadow: var(--shadow-cyan);
            transition: all 0.3s ease;
        }

        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.7);
            color: var(--text-white);
        }

        /* ========== FAB ========== */
        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1060;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 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: 22px;
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            opacity: 0.7;
            transition: all 0.3s ease;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-neon:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.7);
        }

        .fab-neon .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: dot-blink 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.85; }
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.01em;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 380px;
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
        }

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

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

        .footer-links i {
            margin-right: 8px;
            font-size: 0.8rem;
            color: var(--accent-cyan);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-sm);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-links-secondary {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-links-secondary a {
            color: var(--text-muted);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 4px;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-title {
                font-size: 1.8rem;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                align-items: stretch;
            }
            .navbar-nav-custom {
                justify-content: center;
                gap: 4px;
            }
            .header-actions {
                justify-content: center;
            }
            .article-title {
                font-size: 1.5rem;
            }
            .article-content {
                font-size: 0.95rem;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 0.9rem;
            }
            .nav-link-custom {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            .btn-login,
            .btn-signup {
                font-size: 0.8rem;
                padding: 8px 16px;
            }
            .article-title {
                font-size: 1.3rem;
            }
            .article-cover {
                max-height: 240px;
            }
            .cta-section {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0B1A30;
            --secondary-bg: #0F0C20;
            --card-bg: rgba(15, 28, 48, 0.85);
            --accent-cyan: #00F0FF;
            --accent-lime: #CCFF00;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6C757D;
            --border-glow: rgba(0, 240, 255, 0.3);
            --border-strong: rgba(0, 240, 255, 0.6);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-neon: 0 0 25px rgba(0, 240, 255, 0.15);
            --shadow-neon-strong: 0 0 40px rgba(0, 240, 255, 0.35);
            --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        /* Glassmorphism card base */
        .glass-card {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            transition: all var(--transition-smooth);
        }

        .glass-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }

        /* Navigation */
        .navbar-custom {
            background: rgba(11, 26, 48, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all var(--transition-smooth);
        }

        .navbar-custom.scrolled {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
            background: rgba(11, 26, 48, 0.98);
        }

        .brand-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .brand-logo:hover {
            color: var(--accent-cyan);
        }

        .brand-logo i {
            color: var(--accent-cyan);
            font-size: 1.5rem;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-link-custom {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 0.75rem;
            border-radius: 6px;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--text-primary);
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 30px;
            height: 3px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
        }

        .btn-login {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 0.5rem 1rem;
            transition: color var(--transition-fast);
        }

        .btn-login:hover {
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, #00F0FF, #CCFF00);
            color: #0B1A30;
            text-decoration: none;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.6rem 1.4rem;
            border-radius: 25px;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
            border: none;
            display: inline-block;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0, 240, 255, 0.5);
            color: #0B1A30;
        }

        .navbar-toggler-custom {
            border: 1px solid rgba(0, 240, 255, 0.3);
            padding: 0.5rem 0.75rem;
            border-radius: 8px;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.2rem;
        }

        /* Hero Section */
        .hero-section {
            padding: 5rem 0 4rem;
            background: linear-gradient(135deg, #0F0C20 0%, #0B1A30 50%, #0F0C20 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 1.25rem;
            position: relative;
            z-index: 1;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #00F0FF, #CCFF00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
            max-width: 600px;
        }

        .hero-cta-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-primary-neon {
            background: linear-gradient(135deg, #00F0FF, #0088CC);
            color: #0B1A30;
            text-decoration: none;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.85rem 2rem;
            border-radius: 30px;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.4);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary-neon:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.6);
            color: #0B1A30;
        }

        .btn-secondary-neon {
            background: transparent;
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            padding: 0.85rem 2rem;
            border-radius: 30px;
            transition: all var(--transition-fast);
            border: 2px solid rgba(0, 240, 255, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-secondary-neon:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }

        .hero-visual {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-phone-mock {
            width: 280px;
            height: 560px;
            background: linear-gradient(180deg, #1a1a2e, #0B1A30);
            border: 2px solid rgba(0, 240, 255, 0.3);
            border-radius: 35px;
            position: relative;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), var(--shadow-neon);
            overflow: hidden;
        }

        .hero-phone-mock::before {
            content: '';
            position: absolute;
            top: 10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 25px;
            background: rgba(0, 0, 0, 0.8);
            border-radius: 15px;
            z-index: 2;
        }

        .hero-phone-mock img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 33px;
        }

        /* Metrics Section */
        .metrics-section {
            padding: 3rem 0;
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
        }

        .metric-item {
            text-align: center;
            padding: 1.5rem;
        }

        .metric-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #00F0FF, #CCFF00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
            margin-bottom: 0.5rem;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        /* Steps Section */
        .steps-section {
            padding: 5rem 0;
            background: var(--secondary-bg);
        }

        .section-label {
            font-size: 0.85rem;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            font-weight: 600;
            margin-bottom: 0.75rem;
            display: block;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2.5rem;
            max-width: 700px;
        }

        .step-card {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 2rem;
            height: 100%;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #00F0FF, #CCFF00);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .step-card:hover::before {
            opacity: 1;
        }

        .step-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-neon);
        }

        .step-number {
            font-size: 3rem;
            font-weight: 800;
            color: rgba(0, 240, 255, 0.2);
            line-height: 1;
            margin-bottom: 1rem;
            display: block;
        }

        .step-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .step-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Comparison Section */
        .comparison-section {
            padding: 5rem 0;
            background: var(--primary-bg);
        }

        .comparison-table-wrapper {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-neon);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
        }

        .comparison-table th {
            background: rgba(0, 240, 255, 0.1);
            color: var(--text-primary);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 1.25rem 1.5rem;
            text-align: left;
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
        }

        .comparison-table td {
            padding: 1.25rem 1.5rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
            line-height: 1.6;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .check-icon {
            color: var(--accent-lime);
            font-size: 1.1rem;
        }

        .comparison-table .x-icon {
            color: #FF4444;
            font-size: 1.1rem;
        }

        /* FAQ Section */
        .faq-section {
            padding: 5rem 0;
            background: var(--secondary-bg);
        }

        .accordion-custom {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-item-custom {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .accordion-item-custom:hover {
            border-color: var(--border-strong);
        }

        .accordion-header-custom {
            width: 100%;
            background: transparent;
            border: none;
            padding: 1.25rem 1.5rem;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: left;
        }

        .accordion-header-custom:hover {
            color: var(--accent-cyan);
        }

        .accordion-header-custom .fa-chevron-down {
            transition: transform var(--transition-fast);
            color: var(--accent-cyan);
        }

        .accordion-header-custom[aria-expanded="true"] .fa-chevron-down {
            transform: rotate(180deg);
        }

        .accordion-body-custom {
            padding: 0 1.5rem 1.5rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

        .accordion-body-custom.show {
            display: block;
        }

        /* CTA Section */
        .cta-section {
            padding: 5rem 0;
            background: linear-gradient(135deg, #0F0C20 0%, #1a0f2e 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .cta-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: #0A1428;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 4rem 0 2rem;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 400px;
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
        }

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

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-links a:hover {
            color: var(--accent-cyan);
            transform: translateX(3px);
        }

        .footer-links a i {
            font-size: 0.7rem;
            color: var(--accent-cyan);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-copyright {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-links-secondary {
            display: flex;
            gap: 1.5rem;
        }

        .footer-links-secondary a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

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

        /* FAB */
        .fab-custom {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), linear-gradient(135deg, #00F0FF, #CCFF00);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            opacity: 0.7;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.6);
        }

        .fab-custom i {
            color: var(--accent-cyan);
            font-size: 1.3rem;
            transition: transform var(--transition-fast);
        }

        .fab-custom:hover i {
            transform: rotate(360deg);
        }

        .fab-custom .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #0B1A30;
            animation: dot-blink 2s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(0.95); }
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.25rem;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-nav-custom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
                padding: 1rem 0;
            }
            .hero-section {
                padding: 3rem 0;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-phone-mock {
                width: 220px;
                height: 440px;
                margin-top: 2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .metric-number {
                font-size: 2rem;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .comparison-table-wrapper {
                overflow-x: auto;
            }
            .comparison-table {
                min-width: 600px;
            }
            .cta-title {
                font-size: 1.75rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .btn-primary-neon,
            .btn-secondary-neon {
                width: 100%;
                justify-content: center;
                padding: 0.75rem 1.5rem;
                font-size: 0.9rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-phone-mock {
                width: 180px;
                height: 360px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .step-card {
                padding: 1.5rem;
            }
            .step-number {
                font-size: 2.2rem;
            }
            .metric-number {
                font-size: 1.75rem;
            }
            .fab-custom {
                width: 48px;
                height: 48px;
                left: 0.75rem;
                bottom: 5rem;
            }
            .brand-logo {
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0B1A30;
            --secondary-bg: #0F0C20;
            --accent-cyan: #00F0FF;
            --accent-lime: #CCFF00;
            --accent-purple: #8B5CF6;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-light: #CBD5E1;
            --border-glow: rgba(0, 240, 255, 0.4);
            --card-bg: rgba(255, 255, 255, 0.05);
            --glass-bg: rgba(15, 12, 32, 0.75);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-neon: 0 0 25px rgba(0, 240, 255, 0.35);
            --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.45);
            --transition-fast: 0.25s ease;
            --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Be Vietnam Pro', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
            background: linear-gradient(165deg, var(--secondary-bg) 0%, var(--primary-bg) 55%, #0D111E 100%);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        /* Container */
        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(11, 26, 48, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 14px 0;
            transition: background var(--transition-medium);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .logo-brand {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.3;
        }

        .logo-brand i {
            color: var(--accent-cyan);
            font-size: 1.5rem;
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.7);
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .nav-link-custom {
            position: relative;
            color: var(--text-silver);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 4px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

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

        .nav-link-custom::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan);
            transition: width var(--transition-fast);
        }

        .nav-link-custom:hover::after,
        .nav-link-custom.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login-text {
            background: none;
            border: none;
            color: var(--text-silver);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 14px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .btn-login-text:hover {
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: var(--accent-cyan);
            border: none;
            color: #0B1A30;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 50px;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
        }

        .btn-signup:hover {
            background: var(--accent-lime);
            box-shadow: 0 0 28px rgba(204, 255, 0, 0.55);
            transform: translateY(-2px);
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            padding: 140px 0 70px;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.6) 0%, rgba(11, 26, 48, 0.3) 100%);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content-wrapper {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1 1 500px;
            min-width: 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 18px;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 18px;
            background: linear-gradient(135deg, #FFFFFF 30%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-silver);
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 26px;
        }

        .hero-image-panel {
            flex: 0 0 380px;
            max-width: 100%;
            position: relative;
        }

        .hero-image-panel img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-neon);
            border: 1px solid rgba(0, 240, 255, 0.3);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .glass-panel {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 22px;
        }

        /* Section Base */
        .section-block {
            padding: 70px 0;
            position: relative;
        }

        .section-heading {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
            color: var(--text-white);
        }

        .section-subtitle {
            color: var(--text-silver);
            font-size: 1.05rem;
            max-width: 700px;
            line-height: 1.7;
            margin-bottom: 40px;
        }

        /* Cards & Components */
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 22px;
            margin-bottom: 50px;
        }

        .metric-card {
            background: var(--card-bg);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-medium);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-lime));
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .metric-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.15);
            transform: translateY(-4px);
        }

        .metric-card:hover::before {
            opacity: 1;
        }

        .metric-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.2;
            margin-bottom: 6px;
            text-shadow: 0 0 18px rgba(0, 240, 255, 0.5);
        }

        .metric-label {
            color: var(--text-silver);
            font-size: 0.95rem;
            font-weight: 500;
        }

        .tip-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .tip-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition-medium);
            position: relative;
        }

        .tip-card:hover {
            background: rgba(0, 240, 255, 0.06);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-soft);
            transform: translateY(-4px);
        }

        .tip-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(0, 240, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
            border: 1px solid rgba(0, 240, 255, 0.25);
        }

        .tip-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }

        .tip-desc {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        .process-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .process-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--accent-cyan);
            transition: background var(--transition-fast);
        }

        .process-item:hover {
            background: rgba(0, 240, 255, 0.07);
        }

        .process-number {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), #0090FF);
            color: #0B1A30;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
        }

        .process-content {
            flex: 1;
        }

        .process-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-white);
        }

        .process-content p {
            color: var(--text-silver);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }

        /* Comparison Table */
        .comparison-wrapper {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .comparison-table th {
            text-align: left;
            padding: 14px 18px;
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.9rem;
            border-bottom: 2px solid rgba(0, 240, 255, 0.3);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .comparison-table td {
            padding: 14px 18px;
            color: var(--text-silver);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.9rem;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table tr:hover td {
            background: rgba(0, 240, 255, 0.04);
        }

        .highlight-cell {
            color: var(--accent-lime) !important;
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            max-width: 850px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-glow);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 22px;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition-fast);
        }

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

        .faq-question i {
            transition: transform var(--transition-fast);
            font-size: 0.9rem;
            color: var(--accent-cyan);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(139, 92, 246, 0.1) 100%);
            border-radius: var(--radius-lg);
            margin: 0 24px 70px;
            border: 1px solid rgba(0, 240, 255, 0.2);
            text-align: center;
        }

        .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text-white);
        }

        .cta-desc {
            color: var(--text-silver);
            max-width: 600px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }

        .btn-cta-primary {
            background: var(--accent-cyan);
            border: none;
            color: #0B1A30;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: 50px;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-cta-primary:hover {
            background: var(--accent-lime);
            box-shadow: 0 0 45px rgba(204, 255, 0, 0.6);
            transform: translateY(-3px);
        }

        /* Footer */
        .site-footer {
            background: rgba(11, 26, 48, 0.7);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 60px 0 30px;
            margin-top: 0;
        }

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

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }

        .footer-desc {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 420px;
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

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

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

        .footer-links a {
            color: var(--text-silver);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-links i {
            font-size: 0.75rem;
            color: var(--accent-cyan);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-copyright {
            color: var(--text-silver);
            font-size: 0.85rem;
        }

        .footer-links-secondary {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-links-secondary a {
            color: var(--text-silver);
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }

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

        /* Floating Action Button */
        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1040;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid;
            border-image: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime)) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.65;
            transition: all var(--transition-fast);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            animation: fabBreathing 3s ease-in-out infinite;
        }

        .fab-neon:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.65);
            animation: none;
        }

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

        @keyframes fabBreathing {
            0%, 100% {
                opacity: 0.65;
            }
            50% {
                opacity: 1;
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.3rem;
            }
            .hero-image-panel {
                flex: 0 0 300px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .navbar-nav-custom {
                gap: 16px;
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 4px;
            }
            .nav-actions {
                width: 100%;
                justify-content: flex-start;
            }
            .page-hero {
                padding: 120px 0 50px;
            }
            .hero-content-wrapper {
                gap: 28px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-image-panel {
                flex: 0 0 100%;
            }
            .section-block {
                padding: 50px 0;
            }
            .section-heading {
                font-size: 1.6rem;
            }
            .metric-grid,
            .tip-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-section {
                margin: 0 12px 50px;
                padding: 50px 20px;
            }
            .cta-title {
                font-size: 1.7rem;
            }
            .fab-neon {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
                bottom: 80px;
                left: 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .btn-signup {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
            .btn-login-text {
                font-size: 0.85rem;
                padding: 8px 10px;
            }
            .nav-link-custom {
                font-size: 0.85rem;
            }
            .comparison-wrapper {
                padding: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }