/* roulang page: index */
:root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --border-glow: rgba(0, 240, 255, 0.3);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --space-1: 8px;
            --space-2: 16px;
            --space-3: 24px;
            --space-4: 32px;
            --space-5: 48px;
            --space-6: 64px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Be Vietnam Pro', 'Roboto', system-ui, sans-serif;
            background: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            outline: none;
        }
        button:focus-visible, a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-3);
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 14px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-3);
        }
        .logo {
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--space-3);
        }
        .nav-link {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 8px;
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.1);
        }
        .nav-link.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: 0 0 8px rgba(0, 240, 255, 0.7);
        }
        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: var(--space-2);
        }
        .btn-login {
            color: var(--text-silver);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 9px 18px;
            border-radius: 10px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
        }
        .btn-signup {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.4);
            white-space: nowrap;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.5);
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-white);
            font-size: 1.4rem;
            padding: 8px 14px;
            border-radius: 10px;
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(8, 9, 15, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            padding: var(--space-3);
            flex-direction: column;
            gap: 10px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            display: block;
            width: 100%;
            text-align: left;
            padding: 12px 16px;
            font-size: 1rem;
        }
        .mobile-menu .auth-buttons {
            margin-left: 0;
            flex-direction: column;
            gap: 10px;
            width: 100%;
        }
        .mobile-menu .btn-login, .mobile-menu .btn-signup {
            width: 100%;
            text-align: center;
        }

        /* Hero */
        .hero {
            padding: 130px 0 70px;
            background: linear-gradient(180deg, #0D111E 0%, #08090F 100%);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-6);
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .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: 0.85rem;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 50px;
            margin-bottom: var(--space-3);
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: var(--space-3);
            background: linear-gradient(135deg, #FFFFFF, #CBD5E1);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-silver);
            max-width: 540px;
            margin-bottom: var(--space-4);
            line-height: 1.7;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-2);
            margin-bottom: var(--space-4);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(0, 82, 255, 0.4);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0, 240, 255, 0.5);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 12px;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.12);
            border-color: var(--accent-cyan);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-4);
            margin-top: var(--space-3);
        }
        .stat-item {
            text-align: left;
        }
        .stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-silver);
        }
        .hero-icon-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-2);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--space-3);
            backdrop-filter: blur(10px);
        }
        .icon-tile {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 18px 10px;
            border-radius: var(--radius-md);
            background: rgba(0, 240, 255, 0.05);
            border: 1px solid rgba(0, 240, 255, 0.15);
            transition: var(--transition);
            cursor: default;
        }
        .icon-tile:hover {
            background: rgba(0, 240, 255, 0.12);
            border-color: rgba(0, 240, 255, 0.5);
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(0, 240, 255, 0.2);
        }
        .icon-tile i {
            font-size: 1.8rem;
            color: var(--accent-cyan);
        }
        .icon-tile span {
            font-size: 0.75rem;
            color: var(--text-silver);
            text-align: center;
            font-weight: 500;
        }
        .hero-status-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: var(--space-3);
            padding: 10px 14px;
            background: rgba(0, 240, 255, 0.06);
            border-radius: 10px;
            border: 1px solid rgba(0, 240, 255, 0.2);
            font-size: 0.85rem;
            color: var(--text-silver);
        }
        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #00F0FF;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.8);
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Sections */
        .section {
            padding: var(--space-6) 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 720px;
            margin-bottom: var(--space-5);
            line-height: 1.7;
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: var(--space-4);
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }
        .glass-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.1);
            transform: translateY(-4px);
        }
        .badge-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            color: var(--accent-cyan);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-3);
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-3);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-3);
        }

        /* Trial benefits */
        .benefit-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .benefit-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
            background: rgba(0, 240, 255, 0.05);
        }
        .benefit-icon {
            width: 48px;
            height: 48px;
            min-width: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2), rgba(0, 240, 255, 0.2));
            color: var(--accent-cyan);
            font-size: 1.3rem;
        }
        .benefit-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .benefit-item p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.6;
        }

        /* Eligibility */
        .eligibility-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .eligibility-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.6;
        }
        .eligibility-list i {
            color: var(--accent-cyan);
            font-size: 1.1rem;
            margin-top: 4px;
        }

        /* Info list */
        .info-list-item {
            display: flex;
            gap: var(--space-3);
            padding: 18px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            align-items: center;
        }
        .info-list-item:hover {
            border-color: rgba(0, 240, 255, 0.35);
            background: rgba(0, 240, 255, 0.05);
        }
        .info-thumb {
            width: 90px;
            height: 60px;
            min-width: 90px;
            border-radius: 10px;
            overflow: hidden;
            object-fit: cover;
        }
        .info-content {
            flex: 1;
        }
        .info-content h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .info-content h3 a:hover {
            color: var(--accent-cyan);
        }
        .info-meta {
            font-size: 0.8rem;
            color: var(--text-silver);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Application form */
        .form-container {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--space-5);
            backdrop-filter: blur(10px);
        }
        .form-group {
            margin-bottom: var(--space-3);
        }
        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-silver);
        }
        .form-input {
            width: 100%;
            padding: 13px 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            color: var(--text-white);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .form-input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
            background: rgba(0, 240, 255, 0.05);
        }
        .form-input::placeholder {
            color: rgba(203, 213, 225, 0.5);
        }
        .form-submit {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            border: none;
            border-radius: 10px;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(0, 82, 255, 0.4);
        }
        .form-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 240, 255, 0.5);
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: var(--space-3) 0;
        }
        .faq-question {
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent-cyan);
        }
        .faq-question.active i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 500px;
            padding-top: 12px;
        }

        /* Footer */
        .site-footer {
            background: #0A0C14;
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: var(--space-6) 0 var(--space-4);
            margin-top: var(--space-6);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-5);
            margin-bottom: var(--space-5);
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-white);
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-silver);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--space-3);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(203, 213, 225, 0.6);
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 9, 15, 0.85), rgba(8, 9, 15, 0.85)), linear-gradient(135deg, #00F0FF, #0052FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #00F0FF;
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            transition: var(--transition);
            opacity: 0.7;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
        }
        .fab-support:active {
            transform: scale(0.95);
        }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #08090F;
            animation: pulse-dot 1.2s infinite;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--space-4);
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero {
                padding: 110px 0 50px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-icon-matrix {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .grid-2, .grid-3, .grid-4 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-4);
            }
            .hero-stats {
                gap: var(--space-2);
            }
            .stat-value {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-icon-matrix {
                grid-template-columns: repeat(3, 1fr);
            }
            .icon-tile {
                padding: 12px 6px;
            }
            .icon-tile i {
                font-size: 1.3rem;
            }
            .icon-tile span {
                font-size: 0.65rem;
            }
            .form-container {
                padding: var(--space-3);
            }
            .fab-support {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.85);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #64748B;
            --border-glow: rgba(0, 240, 255, 0.25);
            --border-strong: rgba(0, 82, 255, 0.5);
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-blue: 0 0 20px rgba(0, 82, 255, 0.35);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-sans);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; transition: color .2s ease; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        /* Header */
        .site-header {
            position: sticky; top: 0; z-index: 50;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
        }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
        .logo {
            font-weight: 800; font-size: 1.15rem; letter-spacing: -0.01em;
            color: var(--text-primary); white-space: nowrap;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text; max-width: 480px; overflow: hidden; text-overflow: ellipsis;
        }
        .nav-desktop { display: flex; align-items: center; gap: 28px; }
        .nav-link {
            font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
            padding: 8px 4px; position: relative; transition: color .2s;
            white-space: nowrap;
        }
        .nav-link:hover { color: var(--accent-cyan); }
        .nav-link.active { color: var(--accent-cyan); }
        .nav-link.active::after {
            content: ''; position: absolute; bottom: -2px; left: 0; width: 100%; height: 2px;
            background: var(--accent-cyan); border-radius: 2px;
            box-shadow: var(--shadow-glow);
        }
        .auth-buttons { display: flex; align-items: center; gap: 12px; margin-left: 8px; }
        .btn-login {
            padding: 9px 20px; border-radius: 30px; font-weight: 600; font-size: 0.9rem;
            color: var(--text-primary); background: transparent; border: 1px solid rgba(255,255,255,0.2);
            transition: all .25s; white-space: nowrap;
        }
        .btn-login:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
        .btn-signup {
            padding: 9px 24px; border-radius: 30px; font-weight: 700; font-size: 0.9rem;
            color: #000; background: linear-gradient(135deg, #00F0FF, #0052FF);
            box-shadow: var(--shadow-blue); transition: all .25s; white-space: nowrap;
            border: none;
        }
        .btn-signup:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(0, 240, 255, 0.6); }
        .mobile-toggle {
            display: none; background: none; border: none; color: var(--text-primary);
            font-size: 1.5rem; cursor: pointer; padding: 8px;
        }
        .mobile-menu {
            display: none; position: absolute; top: 72px; left: 0; right: 0;
            background: rgba(8, 9, 15, 0.98); backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15); padding: 20px;
            flex-direction: column; gap: 16px; z-index: 49;
        }
        .mobile-menu.open { display: flex; }
        .mobile-menu .nav-link { font-size: 1.05rem; }
        .mobile-menu .auth-buttons { flex-direction: column; gap: 10px; margin-left: 0; }
        .mobile-menu .btn-login, .mobile-menu .btn-signup { text-align: center; width: 100%; }

        /* Article Hero */
        .article-hero {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.12), rgba(0, 240, 255, 0.05)), var(--bg-primary);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
            padding: 60px 0 40px;
            position: relative;
        }
        .article-hero::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
            background: linear-gradient(90deg, #0052FF, #00F0FF, #0052FF);
            background-size: 200% 100%; animation: gradientShift 4s linear infinite;
        }
        @keyframes gradientShift { 0% { background-position: 0% 0; } 100% { background-position: 200% 0; } }
        .article-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 20px; flex-wrap: wrap; }
        .article-breadcrumb a { color: var(--text-secondary); }
        .article-breadcrumb a:hover { color: var(--accent-cyan); }
        .article-category-tag {
            display: inline-block; padding: 6px 16px; border-radius: 30px;
            background: rgba(0, 240, 255, 0.1); border: 1px solid var(--border-glow);
            color: var(--accent-cyan); font-size: 0.8rem; font-weight: 600; margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.25;
            color: var(--text-primary); margin-bottom: 16px; letter-spacing: -0.02em;
        }
        .article-meta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; color: var(--text-muted); font-size: 0.9rem; }
        .article-meta span { display: flex; align-items: center; gap: 6px; }
        .article-meta i { color: var(--accent-cyan); }

        /* Article Body */
        .article-body-wrapper {
            display: grid; grid-template-columns: 1fr 320px; gap: 40px;
            padding: 50px 0 70px; align-items: start;
        }
        .article-content { min-width: 0; }
        .article-content .featured-image {
            border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 32px;
            border: 1px solid rgba(0, 240, 255, 0.15);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }
        .article-content .featured-image img { width: 100%; height: auto; }
        .article-content h2 {
            font-size: 1.6rem; font-weight: 700; margin: 36px 0 16px;
            color: var(--text-primary); letter-spacing: -0.01em;
            border-left: 4px solid var(--accent-cyan); padding-left: 16px;
        }
        .article-content h3 {
            font-size: 1.25rem; font-weight: 600; margin: 28px 0 12px;
            color: var(--text-primary);
        }
        .article-content p {
            color: var(--text-secondary); margin-bottom: 18px; font-size: 1.02rem;
            line-height: 1.7;
        }
        .article-content ul, .article-content ol {
            margin: 0 0 20px 24px; color: var(--text-secondary);
        }
        .article-content li { margin-bottom: 10px; line-height: 1.65; }
        .article-content strong { color: var(--accent-cyan); font-weight: 600; }
        .article-content blockquote {
            border-left: 4px solid var(--accent-blue); background: rgba(0, 82, 255, 0.08);
            padding: 20px 24px; border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0; color: var(--text-primary); font-style: italic;
        }
        .article-content table {
            width: 100%; border-collapse: collapse; margin: 24px 0;
            border-radius: var(--radius-md); overflow: hidden;
        }
        .article-content table th {
            background: rgba(0, 82, 255, 0.15); color: var(--accent-cyan);
            padding: 12px 16px; text-align: left; font-weight: 600;
            border-bottom: 1px solid var(--border-glow);
        }
        .article-content table td {
            padding: 12px 16px; color: var(--text-secondary);
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .article-content table tr:hover td { background: rgba(0, 240, 255, 0.03); }

        /* Sidebar */
        .article-sidebar { position: sticky; top: 90px; display: flex; flex-direction: column; gap: 24px; }
        .sidebar-card {
            background: var(--bg-card); border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg); padding: 24px; backdrop-filter: blur(12px);
        }
        .sidebar-card h4 {
            font-size: 1.1rem; font-weight: 700; margin-bottom: 16px;
            color: var(--text-primary); display: flex; align-items: center; gap: 8px;
        }
        .sidebar-card h4 i { color: var(--accent-cyan); }
        .sidebar-card ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
        .sidebar-card ul li a {
            display: flex; align-items: center; gap: 10px; color: var(--text-secondary);
            font-size: 0.92rem; transition: color .2s;
        }
        .sidebar-card ul li a:hover { color: var(--accent-cyan); }
        .sidebar-card ul li a i { font-size: 0.7rem; color: var(--accent-cyan); }
        .cta-mini-box {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2), rgba(0, 240, 255, 0.1));
            border: 1px solid var(--border-strong); border-radius: var(--radius-lg);
            padding: 24px; text-align: center;
        }
        .cta-mini-box h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
        .cta-mini-box p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 16px; }
        .cta-mini-box .btn-primary {
            display: inline-block; padding: 12px 28px; border-radius: 30px;
            background: linear-gradient(135deg, #00F0FF, #0052FF); color: #000;
            font-weight: 700; font-size: 0.95rem; box-shadow: var(--shadow-blue);
            transition: all .25s; border: none;
        }
        .cta-mini-box .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(0, 240, 255, 0.6); }

        /* Not Found */
        .not-found {
            text-align: center; padding: 80px 0; min-height: 400px;
            display: flex; flex-direction: column; align-items: center; justify-content: center;
        }
        .not-found i { font-size: 4rem; color: var(--accent-cyan); margin-bottom: 24px; opacity: 0.6; }
        .not-found h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
        .not-found p { color: var(--text-muted); margin-bottom: 24px; }
        .not-found .btn-primary {
            display: inline-block; padding: 14px 32px; border-radius: 30px;
            background: linear-gradient(135deg, #00F0FF, #0052FF); color: #000;
            font-weight: 700; box-shadow: var(--shadow-blue); transition: all .25s;
        }
        .not-found .btn-primary:hover { transform: translateY(-2px); }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary); border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 60px 0 30px; margin-top: 60px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand {
            font-weight: 800; font-size: 1.1rem; margin-bottom: 16px;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-desc { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }
        .footer-heading { font-size: 1rem; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
        .footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
        .footer-links a { color: var(--text-muted); font-size: 0.9rem; transition: color .2s; }
        .footer-links a:hover { color: var(--accent-cyan); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px;
            text-align: center; color: var(--text-muted); font-size: 0.85rem;
        }

        /* FAB */
        .fab {
            position: fixed; left: 16px; bottom: 96px; z-index: 50;
            width: 56px; height: 56px; border-radius: 50%;
            background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), linear-gradient(135deg, #00F0FF, #0052FF);
            background-origin: border-box; background-clip: padding-box, border-box;
            display: flex; align-items: center; justify-content: center;
            color: var(--accent-cyan); font-size: 1.3rem;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            transition: all .3s; cursor: pointer; animation: fabBreath 3s ease-in-out infinite;
            text-decoration: none;
        }
        .fab:hover { transform: scale(1.1); box-shadow: 0 0 30px rgba(0, 240, 255, 0.8); opacity: 1; }
        .fab:active { transform: scale(0.95); }
        @keyframes fabBreath {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-body-wrapper { grid-template-columns: 1fr; }
            .article-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
            .sidebar-card { flex: 1; min-width: 250px; }
            .cta-mini-box { flex: 1; min-width: 250px; }
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .mobile-toggle { display: block; }
            .header-inner { height: 64px; }
            .logo { font-size: 0.95rem; max-width: 260px; }
            .article-hero { padding: 40px 0 30px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .article-sidebar { flex-direction: column; }
            .sidebar-card, .cta-mini-box { min-width: 100%; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .logo { font-size: 0.85rem; max-width: 200px; }
            .article-hero h1 { font-size: 1.5rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .article-meta { gap: 12px; font-size: 0.8rem; }
            .fab { width: 48px; height: 48px; font-size: 1.1rem; left: 12px; bottom: 80px; }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: rgba(15, 12, 32, 0.75);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-hot-pink: #FF007F;
            --accent-neon-yellow: #FFFF00;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6B7280;
            --border-neon: rgba(0, 240, 255, 0.3);
            --border-lime: rgba(204, 255, 0, 0.25);
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.15);
            --shadow-lime: 0 0 25px rgba(204, 255, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 240, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.02) 1px, transparent 1px);
            background-size: 50px 50px;
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

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

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

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

        /* ===== HEADER ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            line-height: 1.3;
            max-width: 340px;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 22px;
            flex: 1;
            justify-content: flex-end;
        }

        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 4px;
            position: relative;
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #CCFF00, #00F0FF);
            transition: var(--transition);
            border-radius: 2px;
        }

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

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

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 8px;
        }

        .btn-login {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
            padding: 9px 20px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.2);
        }

        .btn-signup {
            font-size: 0.88rem;
            font-weight: 700;
            color: #0F0C20;
            padding: 10px 22px;
            border-radius: 50px;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.3);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 0 35px rgba(204, 255, 0, 0.45);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--text-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(15, 12, 32, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            padding: 20px 24px;
            flex-direction: column;
            gap: 16px;
            z-index: 99;
        }

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

        /* ===== HERO ===== */
        .hero-category {
            padding: 130px 0 70px;
            background-image: 
                linear-gradient(180deg, rgba(15, 12, 32, 0.9) 0%, rgba(11, 26, 48, 0.95) 100%),
                url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, var(--bg-primary));
            pointer-events: none;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .breadcrumb .separator {
            color: var(--accent-cyan);
        }

        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 30%, #CCFF00 70%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            max-width: 900px;
        }

        .hero-category .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 800px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1rem;
            font-weight: 700;
            color: #0F0C20;
            padding: 15px 34px;
            border-radius: 50px;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.35);
            transition: var(--transition);
        }

        .btn-primary:hover {
            box-shadow: 0 0 45px rgba(204, 255, 0, 0.5);
            transform: translateY(-3px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            padding: 14px 28px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.2);
        }

        /* ===== STATS BAR ===== */
        .stats-bar {
            padding: 28px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: left;
            padding: 0 8px;
            border-left: 2px solid rgba(0, 240, 255, 0.2);
            padding-left: 18px;
        }

        .stat-item .stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== MAIN CONTENT ===== */
        .main-content {
            padding: 60px 0;
        }

        .section-block {
            margin-bottom: 70px;
        }

        .section-block:last-child {
            margin-bottom: 0;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 750px;
            line-height: 1.7;
        }

        .section-divider {
            width: 64px;
            height: 4px;
            background: linear-gradient(90deg, #CCFF00, #00F0FF);
            border-radius: 2px;
            margin-bottom: 18px;
        }

        /* ===== RANKING LIST ===== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .rank-item {
            display: flex;
            align-items: stretch;
            gap: 20px;
            background: var(--bg-glass);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .rank-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(204, 255, 0, 0.03));
            pointer-events: none;
        }

        .rank-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
        }

        .rank-number {
            font-size: 2.2rem;
            font-weight: 800;
            min-width: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }

        .rank-content {
            flex: 1;
            position: relative;
            z-index: 1;
        }

        .rank-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .rank-content .rank-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 14px;
        }

        .rank-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .rank-tag {
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .rank-tag.hot {
            background: rgba(255, 0, 127, 0.12);
            color: #FF79C6;
            border-color: rgba(255, 0, 127, 0.3);
        }

        .rank-tag.lime {
            background: rgba(204, 255, 0, 0.08);
            color: var(--accent-lime);
            border-color: rgba(204, 255, 0, 0.25);
        }

        /* ===== COMPARISON TABLE ===== */
        .comparison-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: var(--bg-glass);
            backdrop-filter: blur(15px);
        }

        .comparison-table {
            width: 100%;
            min-width: 900px;
            border-collapse: collapse;
        }

        .comparison-table th {
            padding: 18px 20px;
            text-align: left;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(0, 240, 255, 0.05);
        }

        .comparison-table td {
            padding: 16px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            line-height: 1.5;
        }

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

        .comparison-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

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

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

        .promo-card {
            background: var(--bg-glass);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .promo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #CCFF00, #00F0FF, #FF007F);
        }

        .promo-card:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }

        .promo-card .promo-icon {
            font-size: 2rem;
            margin-bottom: 16px;
            color: var(--accent-cyan);
        }

        .promo-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .promo-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--bg-glass);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }

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

        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--accent-cyan);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

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

        /* ===== CTA SECTION ===== */
        .cta-section {
            padding: 70px 0;
            background-image: 
                linear-gradient(180deg, rgba(15, 12, 32, 0.92) 0%, rgba(11, 26, 48, 0.97) 100%),
                url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-xl);
            margin-bottom: 60px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.1), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #FFFFFF, #CCFF00, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            max-width: 700px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.7;
            margin-bottom: 30px;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: rgba(11, 26, 48, 0.6);
            backdrop-filter: blur(20px);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 60px 0 30px;
            margin-top: 20px;
        }

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

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.4;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 400px;
        }

        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== FAB ===== */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.6);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
            opacity: 0.6;
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-left::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, #CCFF00, #00F0FF, #FF007F);
            z-index: -1;
            opacity: 0.7;
            animation: fabBorderRotate 4s linear infinite;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.5);
        }

        .fab-left .fab-icon {
            font-size: 1.4rem;
            color: var(--text-primary);
            animation: fabPulse 2s ease-in-out infinite;
        }

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

        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        @keyframes fabBorderRotate {
            0% { filter: hue-rotate(0deg); }
            100% { filter: hue-rotate(360deg); }
        }

        @keyframes fabPulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

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

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .logo {
                font-size: 0.92rem;
                max-width: 280px;
            }

            .nav-desktop {
                gap: 14px;
            }

            .nav-link {
                font-size: 0.82rem;
            }

            .btn-login,
            .btn-signup {
                font-size: 0.8rem;
                padding: 8px 16px;
            }

            .hero-category h1 {
                font-size: 2.2rem;
            }

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .header-inner {
                height: 64px;
            }

            .mobile-menu {
                top: 64px;
            }

            .logo {
                font-size: 0.85rem;
                max-width: 240px;
            }

            .hero-category {
                padding: 100px 0 50px;
            }

            .hero-category h1 {
                font-size: 1.8rem;
            }

            .hero-category .hero-desc {
                font-size: 1rem;
            }

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

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

            .rank-item {
                flex-direction: column;
                gap: 12px;
                padding: 18px;
            }

            .rank-number {
                font-size: 1.8rem;
                min-width: auto;
                justify-content: flex-start;
            }

            .cta-section h2 {
                font-size: 1.7rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .fab-left {
                left: 12px;
                bottom: 80px;
                width: 46px;
                height: 46px;
            }

            .fab-left .fab-icon {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .logo {
                font-size: 0.78rem;
                max-width: 200px;
            }

            .hero-category h1 {
                font-size: 1.5rem;
            }

            .hero-cta-group {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .stat-item {
                border-left: none;
                border-bottom: 1px solid rgba(0, 240, 255, 0.15);
                padding-bottom: 12px;
                padding-left: 0;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .cta-section {
                padding: 50px 0;
                border-radius: var(--radius-lg);
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .faq-question {
                font-size: 0.92rem;
                padding: 15px 18px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.85);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glow: rgba(0, 82, 255, 0.4);
            --border-cyan: rgba(0, 240, 255, 0.3);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow-blue: 0 0 20px rgba(0, 82, 255, 0.35);
            --shadow-glow-cyan: 0 0 20px rgba(0, 240, 255, 0.25);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image: 
                radial-gradient(circle at 20% 20%, rgba(0, 82, 255, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 240, 255, 0.06) 0%, transparent 50%);
            background-attachment: fixed;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }
        
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        
        .logo {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-white);
            text-decoration: none;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 50%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        
        .nav-link {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition-base);
            position: relative;
            white-space: nowrap;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            transition: width 0.3s ease;
        }
        
        .nav-link:hover {
            color: var(--text-white);
        }
        
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        
        .nav-link.active {
            color: var(--text-white);
        }
        
        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 8px;
        }
        
        .btn-login {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        
        .btn-login:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), #0066FF);
            color: #fff;
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.4);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 82, 255, 0.55);
        }
        
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
        }
        
        .mobile-menu {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(8, 9, 15, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            padding: 20px 24px;
            flex-direction: column;
            gap: 16px;
        }
        
        .mobile-menu.active {
            display: flex;
        }
        
        /* Hero Section */
        .page-hero {
            padding: 140px 0 80px;
            position: relative;
            overflow: hidden;
        }
        
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 40%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-silver);
            margin-bottom: 32px;
            max-width: 540px;
        }
        
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue), #0066FF);
            color: #fff;
            text-decoration: none;
            font-size: 1rem;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.5);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 82, 255, 0.65);
        }
        
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            text-decoration: none;
            font-size: 1rem;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(0, 240, 255, 0.4);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
        }
        
        /* Hero Data Panel */
        .hero-data-panel {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-card), var(--shadow-glow-cyan);
        }
        
        .data-panel-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        
        .data-row:last-child {
            border-bottom: none;
        }
        
        .data-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        
        .data-value {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
        }
        
        .data-value.highlight {
            color: var(--accent-cyan);
        }
        
        /* Section Styles */
        .section {
            padding: 70px 0;
        }
        
        .section-alt {
            background: var(--bg-secondary);
        }
        
        .section-header {
            margin-bottom: 48px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        
        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }
        
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 12px;
        }
        
        .section-desc {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
        }
        
        /* Ranking List */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .rank-item {
            display: grid;
            grid-template-columns: auto 80px 1fr auto;
            gap: 20px;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid rgba(0, 82, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            backdrop-filter: blur(10px);
            transition: var(--transition-base);
            cursor: pointer;
        }
        
        .rank-item:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: var(--shadow-glow-blue);
            transform: translateX(6px);
        }
        
        .rank-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            min-width: 48px;
            text-align: center;
        }
        
        .rank-number.top {
            color: #FFD700;
        }
        
        .rank-image {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.3);
        }
        
        .rank-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .rank-info h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        
        .rank-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        
        .rank-stats {
            display: flex;
            gap: 24px;
            align-items: center;
        }
        
        .rank-stat {
            text-align: center;
        }
        
        .rank-stat-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-cyan);
        }
        
        .rank-stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        
        .rank-badge {
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid rgba(255, 215, 0, 0.4);
            color: #FFD700;
            padding: 4px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 700;
            white-space: nowrap;
        }
        
        /* Trust Section */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        
        .trust-item {
            text-align: left;
            padding: 24px;
            background: var(--bg-card);
            border: 1px solid rgba(0, 82, 255, 0.15);
            border-radius: var(--radius-lg);
            transition: var(--transition-base);
        }
        
        .trust-item:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: var(--shadow-glow-cyan);
        }
        
        .trust-icon {
            font-size: 2rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }
        
        .trust-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        
        .trust-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        
        /* Comparison Table */
        .comparison-wrapper {
            overflow-x: auto;
            background: var(--bg-card);
            border: 1px solid rgba(0, 82, 255, 0.2);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(10px);
        }
        
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 800px;
        }
        
        .comparison-table th,
        .comparison-table td {
            padding: 18px 20px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        
        .comparison-table th {
            background: rgba(0, 82, 255, 0.1);
            color: var(--accent-cyan);
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        
        .comparison-table td {
            color: var(--text-silver);
            font-size: 0.9rem;
        }
        
        .comparison-table tr:hover td {
            background: rgba(0, 240, 255, 0.03);
        }
        
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        
        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(0, 82, 255, 0.15);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }
        
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }
        
        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            user-select: none;
        }
        
        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent-cyan);
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
        }
        
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 24px 20px;
        }
        
        .faq-answer p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15) 0%, rgba(0, 240, 255, 0.08) 100%);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: left;
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        
        .cta-section p {
            color: var(--text-silver);
            margin-bottom: 24px;
            max-width: 500px;
        }
        
        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #FFFFFF 0%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        
        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
        }
        
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        
        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(0, 0, 0, 0.7);
            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, #00F0FF, #0052FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0.65;
            transition: var(--transition-base);
            animation: fab-float 3s ease-in-out infinite;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }
        
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.55);
        }
        
        .fab-left:active {
            transform: scale(0.95);
        }
        
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .hero-title {
                font-size: 2.5rem;
            }
            
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            
            .rank-item {
                grid-template-columns: auto 60px 1fr;
                gap: 16px;
                padding: 20px;
            }
            
            .rank-stats {
                grid-column: 1 / -1;
                justify-content: flex-start;
                gap: 32px;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
        }
        
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .hero-title {
                font-size: 2rem;
            }
            
            .section-title {
                font-size: 1.7rem;
            }
            
            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .trust-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            
            .rank-item {
                grid-template-columns: auto 60px 1fr;
                gap: 12px;
                padding: 16px;
            }
            
            .rank-number {
                font-size: 1.5rem;
                min-width: 36px;
            }
            
            .rank-image {
                width: 60px;
                height: 60px;
            }
            
            .rank-info h3 {
                font-size: 1rem;
            }
            
            .cta-section {
                padding: 32px 24px;
            }
            
            .hero-actions {
                flex-direction: column;
            }
            
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            
            .hero-title {
                font-size: 1.7rem;
            }
            
            .section-title {
                font-size: 1.4rem;
            }
            
            .rank-item {
                grid-template-columns: auto 1fr;
                gap: 12px;
                padding: 14px;
            }
            
            .rank-image {
                grid-column: 1 / -1;
                width: 100%;
                height: 120px;
            }
            
            .rank-stats {
                flex-direction: column;
                gap: 12px;
                align-items: flex-start;
            }
            
            .logo {
                font-size: 0.9rem;
            }
            
            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }