/* roulang page: index */
:root {
            --bg-primary: #0B0B0B;
            --bg-secondary: #161616;
            --bg-card: #1A1A1A;
            --accent-orange: #FF4500;
            --accent-red: #FF0000;
            --accent-gold: #FFD700;
            --text-white: #FFFFFF;
            --text-gray: #CCCCCC;
            --text-muted: #999999;
            --border-color: #2A2A2A;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 20px rgba(255,69,0,0.3);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

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

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 11, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
            background: rgba(11, 11, 11, 0.98);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
            min-width: 0;
        }

        .nav-logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            letter-spacing: -0.3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .nav-logo-text span {
            display: block;
            font-size: 11px;
            font-weight: 500;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-gray);
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 20px;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(255,69,0,0.1);
        }

        .nav-links a.active {
            color: var(--text-white);
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
            box-shadow: var(--shadow-glow);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--text-white);
            border: 1px solid var(--border-color);
            padding: 10px 20px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
            background: rgba(255,69,0,0.05);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255,69,0,0.4);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 24px;
            cursor: pointer;
            padding: 4px;
        }

        /* Hero Section */
        .hero-section {
            padding: 140px 0 80px;
            position: relative;
            background: linear-gradient(180deg, #1A0A00 0%, #0B0B0B 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,69,0,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -150px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,0,0,0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,69,0,0.15);
            border: 1px solid rgba(255,69,0,0.3);
            color: var(--accent-orange);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 14px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -1px;
            color: var(--text-white);
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-description {
            font-size: 17px;
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
            color: #fff;
            border: none;
            padding: 16px 32px;
            border-radius: 28px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-glow);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(255,69,0,0.5);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-white);
            border: 1px solid var(--border-color);
            padding: 16px 28px;
            border-radius: 28px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-secondary:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255,215,0,0.05);
        }

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

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

        .hero-stat-number {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

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

        .hero-image-wrapper {
            width: 100%;
            max-width: 520px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0,0,0,0.6);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .hero-image-wrapper img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        .hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 24px 24px;
            background: linear-gradient(180deg, transparent 0%, rgba(11,11,11,0.9) 100%);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .hero-overlay-badge {
            background: rgba(255,215,0,0.15);
            border: 1px solid rgba(255,215,0,0.4);
            color: var(--accent-gold);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

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

        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            text-align: left;
        }

        .section-description {
            font-size: 16px;
            color: var(--text-gray);
            line-height: 1.7;
            max-width: 720px;
            text-align: left;
        }

        /* Group Buy Section */
        .group-buy-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .group-buy-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .group-buy-info h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            text-align: left;
        }

        .group-buy-info p {
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 24px;
            text-align: left;
        }

        .group-buy-steps {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .group-buy-steps li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.6;
            text-align: left;
        }

        .step-number {
            width: 28px;
            height: 28px;
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .group-buy-progress {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px;
        }

        .progress-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
        }

        .progress-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
        }

        .progress-percentage {
            font-size: 24px;
            font-weight: 900;
            color: var(--accent-gold);
        }

        .progress-bar {
            width: 100%;
            height: 12px;
            background: var(--bg-primary);
            border-radius: 6px;
            overflow: hidden;
            margin-bottom: 20px;
        }

        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-orange), var(--accent-red));
            border-radius: 6px;
            transition: width 1s ease;
            width: 68%;
        }

        .progress-info {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            color: var(--text-muted);
        }

        /* Hot Group Buys */
        .hot-groups-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .group-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            cursor: pointer;
        }

        .group-card:hover {
            border-color: var(--accent-orange);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .group-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .group-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
        }

        .group-card-badge {
            background: rgba(255,69,0,0.15);
            color: var(--accent-orange);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }

        .group-card-people {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .avatar-stack {
            display: flex;
            align-items: center;
        }

        .avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--bg-card);
            margin-left: -8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
        }

        .avatar:first-child {
            margin-left: 0;
        }

        .avatar-1 { background: linear-gradient(135deg, #FF6B6B, #FF0000); }
        .avatar-2 { background: linear-gradient(135deg, #FFD93D, #FF9F00); }
        .avatar-3 { background: linear-gradient(135deg, #6BCB77, #2E8B57); }
        .avatar-4 { background: linear-gradient(135deg, #4D96FF, #0052FF); }

        .group-card-people span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .group-card-progress {
            margin-bottom: 16px;
        }

        .group-card-progress .progress-bar {
            height: 8px;
            margin-bottom: 8px;
        }

        .group-card-progress .progress-info {
            font-size: 12px;
        }

        .btn-join-group {
            width: 100%;
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
            color: #fff;
            border: none;
            padding: 12px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-join-group:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        /* News Section */
        .news-section {
            background: var(--bg-primary);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-list-item {
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .news-list-item:hover {
            background: rgba(255,69,0,0.05);
        }

        .news-list-link {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 0;
            text-decoration: none;
            color: var(--text-white);
            transition: var(--transition);
        }

        .news-list-link:hover {
            color: var(--accent-orange);
        }

        .news-list-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            flex: 1;
            text-align: left;
        }

        .news-list-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .news-list-meta i {
            margin-right: 4px;
        }

        .news-sidebar {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .news-sidebar-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 20px;
            text-align: left;
        }

        .news-sidebar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-sidebar-item a {
            display: flex;
            gap: 12px;
            text-decoration: none;
            color: var(--text-gray);
            transition: var(--transition);
            text-align: left;
        }

        .news-sidebar-item a:hover {
            color: var(--accent-orange);
        }

        .news-sidebar-thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-sidebar-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .news-sidebar-content h4 {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .news-sidebar-content span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Feature Trio */
        .feature-trio-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-orange), var(--accent-red));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            border-color: var(--accent-orange);
            box-shadow: var(--shadow-md);
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            background: rgba(255,69,0,0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent-orange);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            text-align: left;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.7;
            text-align: left;
        }

        /* Channel Selling Points */
        .channel-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .channel-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .channel-steps {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .channel-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .channel-step-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .channel-step h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            text-align: left;
        }

        .channel-step p {
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.7;
            text-align: left;
        }

        .channel-faq {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px;
        }

        .channel-faq h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 24px;
            text-align: left;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
        }

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

        .faq-question {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 8px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
        }

        .faq-question i {
            color: var(--accent-orange);
            font-size: 14px;
            transition: var(--transition);
        }

        .faq-answer {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
            text-align: left;
            display: none;
            padding-top: 8px;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

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

        /* Task Progress */
        .task-progress-section {
            background: var(--bg-primary);
        }

        .task-progress-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .task-progress-info h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            text-align: left;
        }

        .task-progress-info p {
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 24px;
            text-align: left;
        }

        .task-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .task-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: var(--text-gray);
            text-align: left;
        }

        .task-check {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 2px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .task-item.completed .task-check {
            background: var(--accent-orange);
            border-color: var(--accent-orange);
            color: #fff;
        }

        .task-item.completed {
            color: var(--text-white);
        }

        .task-reward {
            background: rgba(255,215,0,0.1);
            border: 1px solid rgba(255,215,0,0.3);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
        }

        .task-reward h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .task-reward p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1A0A00 0%, #0B0B0B 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255,69,0,0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-content {
            text-align: center;
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-content p {
            font-size: 16px;
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-color);
            padding: 40px 0;
        }

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

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            text-align: left;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            text-align: left;
            max-width: 360px;
        }

        .footer-column h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            text-align: left;
        }

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

        .footer-column a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
            text-align: left;
        }

        .footer-column a:hover {
            color: var(--accent-orange);
        }

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

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            text-align: left;
        }

        .footer-badges {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .footer-badge {
            background: rgba(255,215,0,0.1);
            border: 1px solid rgba(255,215,0,0.3);
            color: var(--accent-gold);
            padding: 6px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(11, 11, 11, 0.9);
            backdrop-filter: blur(10px);
            border: 2px solid var(--accent-orange);
            color: var(--accent-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(255,69,0,0.4);
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(255,69,0,0.6);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        @keyframes fab-breathe {
            0%, 100% {
                opacity: 0.7;
            }
            50% {
                opacity: 1;
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-title {
                font-size: 40px;
            }
            .hot-groups-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-trio-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .channel-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .task-progress-card {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                border-bottom: 1px solid var(--border-color);
                flex-direction: column;
                padding: 16px 24px;
                gap: 8px;
                box-shadow: var(--shadow-md);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: left;
                padding: 12px 16px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-description {
                font-size: 15px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-number {
                font-size: 22px;
            }
            .section-title {
                font-size: 28px;
            }
            .hot-groups-grid {
                grid-template-columns: 1fr;
            }
            .feature-trio-grid {
                grid-template-columns: 1fr;
            }
            .group-buy-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .news-list-link {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .news-list-meta {
                flex-wrap: wrap;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .fab {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 20px;
            }
            .nav-actions {
                gap: 6px;
            }
            .btn-login {
                padding: 8px 14px;
                font-size: 12px;
            }
            .btn-signup {
                padding: 8px 16px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .task-progress-card {
                padding: 24px;
            }
            .channel-faq {
                padding: 20px;
            }
            .feature-card {
                padding: 24px;
            }
            .group-card {
                padding: 20px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A7C4B5;
            --border-gold: rgba(255, 215, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-gold: 0 8px 30px rgba(255, 215, 0, 0.15);
            --shadow-dark: 0 12px 40px rgba(0, 0, 0, 0.4);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: 1rem;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header & Nav */
        .site-header {
            background: rgba(6, 35, 21, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo {
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            background: linear-gradient(135deg, #FFD700 0%, #FFC107 60%, #FFB300 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-mint);
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            padding: 10px 18px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .btn-signup {
            background: linear-gradient(135deg, #FFD700, #FFA000);
            color: #0A2E1C;
            font-weight: 800;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 0.9rem;
            box-shadow: 0 6px 18px rgba(255, 215, 0, 0.35);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 215, 0, 0.5);
            background: linear-gradient(135deg, #FFE033, #FFB300);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--accent-gold);
            background: none;
            border: none;
        }
        /* Hero */
        .hero-category {
            background: linear-gradient(135deg, #062315 0%, #0A2E1C 40%, #123E25 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid-category {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.35);
            color: var(--accent-gold);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            margin-bottom: 20px;
        }
        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
            color: var(--text-white);
        }
        .hero-category h1 .highlight {
            background: linear-gradient(135deg, #FFD700, #FFC107);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 28px;
            max-width: 560px;
            line-height: 1.7;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #FFD700, #FFA000);
            color: #0A2E1C;
            font-weight: 800;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 1rem;
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(255, 215, 0, 0.55);
            background: linear-gradient(135deg, #FFE033, #FFB300);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            padding: 14px 28px;
            border-radius: 999px;
            font-size: 1rem;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-outline-light:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }
        .trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .trust-strip span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .trust-strip i {
            color: var(--accent-gold);
        }
        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-dark);
            border: 2px solid rgba(255, 215, 0, 0.3);
            max-height: 380px;
            width: 100%;
            object-fit: cover;
        }
        .hero-visual .floating-tag {
            position: absolute;
            bottom: -18px;
            left: -18px;
            background: var(--accent-red);
            color: white;
            font-weight: 800;
            padding: 12px 22px;
            border-radius: 12px;
            font-size: 0.9rem;
            box-shadow: 0 10px 28px rgba(211, 47, 47, 0.5);
            letter-spacing: 0.5px;
        }
        /* Sections */
        .section {
            padding: 70px 0;
        }
        .section-dark {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 700px;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: rgba(6, 35, 21, 0.8);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-dark);
            border: 1px solid rgba(255, 215, 0, 0.25);
        }
        .comparison-table th, .comparison-table td {
            padding: 18px 22px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
            font-size: 0.95rem;
        }
        .comparison-table th {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-size: 0.85rem;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table td:first-child {
            font-weight: 700;
            color: var(--text-white);
        }
        .comparison-table .check {
            color: #4CAF50;
            font-weight: 700;
        }
        .comparison-table .warn {
            color: #FF9800;
            font-weight: 700;
        }
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .audience-card {
            background: rgba(6, 35, 21, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .audience-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, #FFD700, #FFA000);
        }
        .audience-card:hover {
            border-color: rgba(255, 215, 0, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .audience-card h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--accent-gold);
        }
        .audience-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .myth-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .myth-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: rgba(6, 35, 21, 0.6);
            padding: 18px 22px;
            border-radius: var(--radius-sm);
            border-left: 4px solid var(--accent-red);
            transition: var(--transition);
        }
        .myth-item:hover {
            background: rgba(6, 35, 21, 0.9);
            border-left-color: var(--accent-gold);
        }
        .myth-item i {
            color: var(--accent-red);
            font-size: 1.2rem;
            margin-top: 3px;
        }
        .myth-item strong {
            color: var(--text-white);
            display: block;
            margin-bottom: 4px;
        }
        .myth-item span {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
        }
        .faq-item {
            background: rgba(6, 35, 21, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.5);
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i {
            color: var(--accent-gold);
            transition: var(--transition);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .consultation-cta {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 50%, #1B4D33 100%);
            border: 1px solid rgba(255, 215, 0, 0.35);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            box-shadow: var(--shadow-dark);
            position: relative;
            overflow: hidden;
        }
        .consultation-cta::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .consultation-cta h2 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .consultation-cta p {
            font-size: 1.05rem;
            color: var(--text-mint);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .consultation-cta .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1.1rem;
            padding: 16px 40px;
        }
        /* Social Proof Bubble */
        .social-proof {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }
        .bubble-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }
        .bubble-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 215, 0, 0.45);
            transform: translateY(-3px);
        }
        .bubble-card .avatar-group {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .bubble-card .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700, #D32F2F);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: white;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .bubble-card .avatar-name {
            font-weight: 700;
            color: var(--text-white);
            font-size: 0.9rem;
        }
        .bubble-card .avatar-role {
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .bubble-card p {
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .avatar-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }
        .avatar-wall .avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700, #D32F2F);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: white;
            font-size: 0.9rem;
            border: 2px solid rgba(255, 215, 0, 0.4);
            transition: var(--transition);
        }
        .avatar-wall .avatar:hover {
            transform: scale(1.15);
            border-color: var(--accent-gold);
        }
        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(255, 215, 0, 0.25);
            padding: 60px 0 30px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 14px;
            background: linear-gradient(135deg, #FFD700, #FFC107);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-column h4 {
            color: var(--accent-gold);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-column ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-column a {
            color: var(--text-mint);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-column a:hover {
            color: var(--accent-gold);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-badge {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--accent-gold);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1a1a1a, #0a0a0a);
            border: 2px solid #FFD700;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFD700;
            font-size: 1.4rem;
            opacity: 0.7;
            animation: fabBreath 3s ease-in-out infinite;
            transition: var(--transition);
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }
        .fab:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A0A0A;
            animation: dotBlink 2s ease-in-out infinite;
        }
        @keyframes fabBreath {
            0%, 100% { opacity: 0.7; transform: translateY(0); }
            50% { opacity: 0.9; transform: translateY(-6px); }
        }
        @keyframes dotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid-category {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-category h1 {
                font-size: 2.2rem;
            }
            .hero-visual img {
                max-height: 300px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 14px 16px;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(6, 35, 21, 0.98);
                padding: 20px 24px;
                gap: 16px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                font-size: 1.05rem;
            }
            .mobile-toggle {
                display: block;
            }
            .btn-login, .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .hero-category {
                padding: 50px 0 40px;
            }
            .hero-category h1 {
                font-size: 1.8rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .section {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .comparison-table th, .comparison-table td {
                padding: 12px 14px;
                font-size: 0.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .consultation-cta {
                padding: 36px 24px;
            }
            .consultation-cta h2 {
                font-size: 1.5rem;
            }
            .hero-visual .floating-tag {
                left: 8px;
                bottom: -12px;
                font-size: 0.8rem;
                padding: 8px 16px;
            }
        }
        @media (max-width: 520px) {
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary, .btn-outline-light {
                justify-content: center;
                text-align: center;
            }
            .trust-strip {
                gap: 10px;
                font-size: 0.75rem;
            }
            .audience-grid {
                grid-template-columns: 1fr;
            }
            .social-proof {
                grid-template-columns: 1fr;
            }
            .comparison-table {
                font-size: 0.75rem;
            }
            .comparison-table th, .comparison-table td {
                padding: 10px 8px;
            }
            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B1A30;
            --bg-secondary: #0F0C20;
            --bg-card: #101D38;
            --accent-primary: #CCFF00;
            --accent-secondary: #00F0FF;
            --accent-warm: #FFB800;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6B7280;
            --border-glow: rgba(0, 240, 255, 0.25);
            --border-lime: rgba(204, 255, 0, 0.35);
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.35);
            --shadow-lime: 0 0 18px rgba(204, 255, 0, 0.25);
            --radius-lg: 1.25rem;
            --radius-md: 0.85rem;
            --radius-sm: 0.55rem;
            --spacing-section: 4.5rem;
            --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            background-image: radial-gradient(circle at 15% 20%, rgba(0, 240, 255, 0.08) 0%, transparent 35%),
                              radial-gradient(circle at 85% 80%, rgba(204, 255, 0, 0.06) 0%, transparent 40%);
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(11, 26, 48, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0B1A30;
            box-shadow: var(--shadow-neon);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-main {
            font-size: 1.1rem;
            font-weight: 800;
            background: linear-gradient(90deg, #CCFF00, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo-sub {
            font-size: 0.65rem;
            color: var(--text-secondary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            font-weight: 500;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            list-style: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.6rem 1rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--accent-secondary);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--accent-primary);
            background: rgba(204, 255, 0, 0.12);
            box-shadow: inset 0 0 0 1px rgba(204, 255, 0, 0.3);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .btn-login {
            padding: 0.55rem 1.2rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--text-primary);
            transition: all 0.3s ease;
        }

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

        .btn-signup {
            padding: 0.55rem 1.4rem;
            border-radius: 999px;
            font-weight: 800;
            font-size: 0.85rem;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #0B1A30;
            box-shadow: var(--shadow-lime);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(204, 255, 0, 0.45);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.1);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-secondary);
            border: 1px solid rgba(0, 240, 255, 0.25);
            transition: all 0.3s ease;
        }

        .menu-toggle:hover {
            background: rgba(0, 240, 255, 0.2);
        }

        .article-hero {
            position: relative;
            padding: 4rem 0 3rem;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.6) 0%, rgba(11, 26, 48, 0.4) 100%);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
            pointer-events: none;
        }

        .article-hero .container {
            position: relative;
            z-index: 1;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }

        .article-breadcrumb a {
            color: var(--accent-secondary);
            font-weight: 600;
        }

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

        .article-breadcrumb .separator {
            color: var(--text-muted);
        }

        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            max-width: 900px;
            background: linear-gradient(120deg, #FFFFFF 40%, #CCFF00 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            margin-top: 1.2rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-meta .meta-item i {
            color: var(--accent-secondary);
        }

        .article-meta .meta-category {
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
            background: rgba(204, 255, 0, 0.12);
            color: var(--accent-primary);
            font-weight: 700;
            font-size: 0.75rem;
            border: 1px solid rgba(204, 255, 0, 0.3);
        }

        .article-main {
            padding: 3rem 0 5rem;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 2.5rem;
            align-items: start;
        }

        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 240, 255, 0.18);
            padding: 2.5rem;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin: 2.2rem 0 1rem;
            color: var(--accent-primary);
            line-height: 1.3;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 1.8rem 0 0.8rem;
            color: var(--text-primary);
            line-height: 1.35;
        }

        .article-content p {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 1.2rem;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.5rem 1.5rem;
            color: var(--text-secondary);
            font-size: 1.02rem;
            line-height: 1.7;
        }

        .article-content li {
            margin-bottom: 0.6rem;
        }

        .article-content strong {
            color: var(--text-primary);
            font-weight: 700;
        }

        .article-content blockquote {
            margin: 2rem 0;
            padding: 1.5rem 2rem;
            background: rgba(204, 255, 0, 0.06);
            border-left: 4px solid var(--accent-primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-primary);
            font-style: italic;
            font-size: 1.05rem;
            line-height: 1.7;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }

        .article-content th,
        .article-content td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

        .article-content th {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-secondary);
            font-weight: 700;
        }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            position: sticky;
            top: 100px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 240, 255, 0.18);
            padding: 1.8rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .sidebar-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--accent-primary);
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar-card h3 i {
            color: var(--accent-secondary);
            font-size: 1.1rem;
        }

        .sidebar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .sidebar-list li a {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
            transition: color 0.25s ease;
        }

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

        .sidebar-list li a i {
            color: var(--accent-primary);
            font-size: 0.7rem;
            margin-top: 0.3rem;
            flex-shrink: 0;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.15), rgba(0, 240, 255, 0.12));
            border: 1px solid rgba(204, 255, 0, 0.35);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            text-align: center;
        }

        .sidebar-cta h4 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }

        .sidebar-cta p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 1.2rem;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            border-radius: 999px;
            font-weight: 800;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #0B1A30;
            box-shadow: var(--shadow-lime);
            transition: all 0.3s ease;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(204, 255, 0, 0.5);
        }

        .article-not-found {
            text-align: center;
            padding: 5rem 2rem;
        }

        .article-not-found .icon {
            font-size: 4rem;
            color: var(--accent-secondary);
            margin-bottom: 1.5rem;
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .article-not-found p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }

        .article-not-found .btn-home {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            border-radius: 999px;
            font-weight: 800;
            font-size: 0.95rem;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #0B1A30;
            box-shadow: var(--shadow-lime);
            transition: all 0.3s ease;
        }

        .article-not-found .btn-home:hover {
            transform: translateY(-2px);
        }

        .related-section {
            margin-top: 3.5rem;
            padding-top: 3rem;
            border-top: 1px solid rgba(0, 240, 255, 0.15);
        }

        .related-section h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .related-section h2 i {
            color: var(--accent-secondary);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.5rem;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid rgba(0, 240, 255, 0.15);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(204, 255, 0, 0.4);
            box-shadow: var(--shadow-lime);
        }

        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

        .related-card .card-body {
            padding: 1.2rem;
        }

        .related-card h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 0.6rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 4rem 0 0;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 3rem;
        }

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent-primary);
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .footer-column h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-column h4 i {
            color: var(--accent-secondary);
        }

        .footer-column ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

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

        .footer-column ul li a:hover {
            color: var(--accent-primary);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.8rem 0;
            border-top: 1px solid rgba(0, 240, 255, 0.12);
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-badges {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        .footer-badge {
            padding: 0.35rem 0.9rem;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 700;
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-secondary);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 60;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)), linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-secondary);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.45);
            transition: all 0.3s ease;
            opacity: 0.65;
            animation: fabBreath 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
            color: var(--accent-primary);
        }

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

        .fab .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid #0B1A30;
            animation: dotBlink 1.5s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% { opacity: 0.65; }
            50% { opacity: 0.9; }
        }

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

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }

            .sidebar-card,
            .sidebar-cta {
                flex: 1;
                min-width: 250px;
            }

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

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

            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 26, 48, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 1.2rem;
                gap: 0.3rem;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                z-index: 49;
            }

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

            .nav-links a {
                width: 100%;
                padding: 0.8rem 1rem;
                font-size: 1rem;
            }

            .menu-toggle {
                display: flex;
            }

            .btn-login {
                display: none;
            }

            .btn-signup {
                display: inline-flex;
                padding: 0.5rem 1.1rem;
                font-size: 0.8rem;
            }

            .article-hero {
                padding: 3rem 0 2rem;
            }

            .article-content {
                padding: 1.5rem;
            }

            .article-content h2 {
                font-size: 1.35rem;
            }

            .article-content p {
                font-size: 0.98rem;
            }

            .article-sidebar {
                flex-direction: column;
            }

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

            .fab {
                left: 0.75rem;
                bottom: 5rem;
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }

            .logo-main {
                font-size: 0.9rem;
            }

            .logo-sub {
                font-size: 0.55rem;
            }

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

            .article-meta {
                font-size: 0.75rem;
                gap: 0.6rem;
            }

            .article-content {
                padding: 1.2rem;
                border-radius: var(--radius-md);
            }

            .article-content h2 {
                font-size: 1.2rem;
            }

            .article-content p {
                font-size: 0.92rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: #111827;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glow: rgba(0, 240, 255, 0.3);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-blue: 0 0 20px rgba(0, 82, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
        }
        * {
            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: 1.6;
            overflow-x: hidden;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        /* Header & Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.9);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: all 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            text-decoration: none;
            white-space: nowrap;
        }
        .logo span {
            background: linear-gradient(135deg, #FF007F, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.1);
        }
        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.15);
            box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.3);
        }
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-login {
            background: transparent;
            color: var(--text-white);
            border: none;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 0.5rem 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .btn-login:hover {
            color: var(--accent-cyan);
        }
        .btn-signup {
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: var(--text-white);
            border: none;
            font-size: 0.9rem;
            font-weight: 700;
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            box-shadow: var(--shadow-blue);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(0, 82, 255, 0.6);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
        }
        /* Hero */
        .hero-category {
            padding: 120px 0 60px;
            background: linear-gradient(180deg, #0D111E 0%, #08090F 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -150px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-text h1 .highlight {
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-silver);
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }
        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: var(--text-white);
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            box-shadow: var(--shadow-blue);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(0, 82, 255, 0.6);
        }
        .btn-secondary {
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.4);
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.2);
            transform: translateY(-2px);
        }
        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual img {
            width: 100%;
            max-width: 500px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-neon);
            border: 1px solid rgba(0, 240, 255, 0.3);
        }
        .hero-badge {
            position: absolute;
            top: -15px;
            right: -15px;
            background: linear-gradient(135deg, #FF007F, #FF4500);
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 20px rgba(255, 0, 127, 0.5);
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }
        /* Sections */
        .section {
            padding: 4rem 0;
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-white);
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        /* Link Cards */
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .link-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .link-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #0052FF, #00F0FF);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .link-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            transform: translateY(-5px);
            box-shadow: var(--shadow-neon);
        }
        .link-card:hover::before {
            opacity: 1;
        }
        .link-card .card-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            color: var(--accent-cyan);
            font-size: 1.5rem;
        }
        .link-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .link-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .link-card .card-link {
            color: var(--accent-cyan);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
        }
        .link-card .card-link:hover {
            gap: 0.75rem;
        }
        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            counter-reset: step;
        }
        .step-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            position: relative;
            border: 1px solid rgba(0, 240, 255, 0.1);
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -15px;
            left: 20px;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0.5rem 0;
        }
        .step-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.1);
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }
        .faq-question {
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            user-select: none;
        }
        .faq-question i {
            color: var(--accent-cyan);
            transition: transform 0.3s ease;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 1.5rem;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 1.5rem 1.25rem;
        }
        .faq-answer p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0D111E 0%, #1a1a3e 100%);
            border-radius: var(--radius-lg);
            padding: 3rem;
            text-align: center;
            margin: 4rem 0;
            border: 1px solid rgba(0, 240, 255, 0.2);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            position: relative;
            z-index: 2;
        }
        .cta-section p {
            color: var(--text-silver);
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 2;
        }
        .cta-section .btn-primary {
            position: relative;
            z-index: 2;
        }
        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .footer-column h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-white);
        }
        .footer-column ul {
            list-style: none;
        }
        .footer-column ul li {
            margin-bottom: 0.5rem;
        }
        .footer-column ul li a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }
        .footer-column ul li a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-badges {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .footer-badge {
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(10px);
            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;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: fab-breathe 3s infinite;
            text-decoration: none;
        }
        .fab i {
            color: var(--accent-cyan);
            font-size: 1.5rem;
        }
        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            animation: blink 1.5s infinite;
        }
        @keyframes fab-breathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-text h1 {
                font-size: 2.5rem;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-visual img {
                max-width: 400px;
                margin: 0 auto;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-secondary);
                flex-direction: column;
                padding: 1rem;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-auth {
                display: none;
            }
            .hero-category {
                padding: 100px 0 40px;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 2rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-text p {
                font-size: 0.95rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .link-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .hero-visual img {
                max-width: 300px;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 0.4rem 1rem;
                top: -10px;
                right: -10px;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #94A3B8;
            --border-dark: #1E293B;
            --border-glow: rgba(0, 240, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            outline: none;
            transition: var(--transition);
        }

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-dark);
            padding: 14px 0;
            transition: var(--transition);
        }

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

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-white);
            box-shadow: var(--shadow-glow);
        }

        .nav-logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.3px;
            line-height: 1.3;
            max-width: 220px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-silver);
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-links li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.12);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-white);
            background: transparent;
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            transition: var(--transition);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
        }

        .btn-signup {
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-white);
            background: linear-gradient(135deg, var(--accent-blue), #0066FF);
            border-radius: 8px;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
            transition: var(--transition);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 82, 255, 0.6);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            padding: 8px 12px;
            color: var(--text-white);
            font-size: 20px;
        }

        /* ===== FAB ===== */
        .fab-cyber {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), linear-gradient(135deg, #CCFF00, var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-cyan);
            opacity: 0.65;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            transition: var(--transition);
            animation: fabPulse 3s ease-in-out infinite;
        }

        .fab-cyber:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
        }

        .fab-cyber:active {
            transform: scale(0.95);
            border-color: #FF007F;
            color: #FF007F;
        }

        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #08090F;
            animation: blinkNotification 1.2s ease-in-out infinite;
        }

        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 18px rgba(0, 240, 255, 0.4); }
            50% { box-shadow: 0 0 30px rgba(0, 240, 255, 0.7); }
        }

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

        /* ===== HERO ===== */
        .hero-section {
            padding: 120px 0 60px;
            background: radial-gradient(ellipse at 70% 20%, rgba(0, 82, 255, 0.15), transparent 60%), var(--secondary-bg);
            border-bottom: 1px solid var(--border-dark);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08), transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            text-align: left;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            margin-bottom: 18px;
        }

        .hero-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text-white);
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--accent-cyan), #00B4FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-silver);
            margin-bottom: 24px;
            max-width: 520px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-white);
            background: linear-gradient(135deg, var(--accent-blue), #0066FF);
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.45);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 82, 255, 0.65);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.4);
            border-radius: 10px;
            transition: var(--transition);
        }

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

        .hero-group-info {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            background: rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border-dark);
            border-radius: 10px;
            max-width: 420px;
        }

        .hero-group-info i {
            font-size: 20px;
            color: var(--accent-cyan);
        }

        .hero-group-info p {
            font-size: 13px;
            color: var(--text-silver);
        }

        .hero-group-info strong {
            color: var(--accent-cyan);
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual-card {
            background: var(--secondary-bg);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .hero-visual-card img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .hero-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px 24px;
            background: linear-gradient(to top, rgba(8, 9, 15, 0.95), transparent);
        }

        .hero-visual-overlay h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .hero-visual-overlay p {
            font-size: 13px;
            color: var(--text-silver);
        }

        .hero-floating-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            padding: 8px 14px;
            background: rgba(0, 82, 255, 0.9);
            border-radius: 8px;
            font-size: 12px;
            font-weight: 700;
            color: white;
            box-shadow: 0 4px 12px rgba(0, 82, 255, 0.5);
        }

        /* ===== SECTIONS ===== */
        .section {
            padding: 70px 0;
        }

        .section-header {
            margin-bottom: 40px;
            text-align: left;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-silver);
            max-width: 640px;
            line-height: 1.7;
        }

        /* ===== COMPARISON TABLE ===== */
        .comparison-section {
            background: var(--primary-bg);
        }

        .comparison-table-wrapper {
            overflow-x: auto;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            background: var(--secondary-bg);
            box-shadow: var(--shadow-card);
        }

        .comparison-table {
            width: 100%;
            min-width: 720px;
            border-collapse: collapse;
        }

        .comparison-table th {
            padding: 16px 20px;
            text-align: left;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
            border-bottom: 1px solid var(--border-dark);
        }

        .comparison-table td {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-silver);
            border-bottom: 1px solid var(--border-dark);
            vertical-align: top;
        }

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

        .comparison-table tr:hover td {
            background: rgba(0, 240, 255, 0.03);
        }

        .comparison-table .highlight-cell {
            color: var(--text-white);
            font-weight: 600;
        }

        .comparison-table .check-icon {
            color: #22C55E;
            font-size: 16px;
        }

        .comparison-table .cross-icon {
            color: #EF4444;
            font-size: 16px;
        }

        /* ===== AUDIENCE CARDS ===== */
        .audience-section {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .audience-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .audience-card {
            background: var(--primary-bg);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 26px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .audience-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            opacity: 0;
            transition: var(--transition);
        }

        .audience-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

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

        .audience-card-icon {
            width: 48px;
            height: 48px;
            background: rgba(0, 240, 255, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }

        .audience-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-white);
        }

        .audience-card p {
            font-size: 14px;
            color: var(--text-silver);
            line-height: 1.7;
        }

        /* ===== MISCONCEPTIONS ===== */
        .misconception-section {
            background: var(--primary-bg);
        }

        .misconception-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .misconception-item {
            display: flex;
            gap: 16px;
            padding: 20px 24px;
            background: var(--secondary-bg);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .misconception-item:hover {
            border-color: var(--border-glow);
            background: rgba(13, 17, 30, 0.9);
        }

        .misconception-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: rgba(255, 0, 127, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #FF007F;
        }

        .misconception-content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .misconception-content p {
            font-size: 14px;
            color: var(--text-silver);
            line-height: 1.7;
        }

        /* ===== CONSULTATION CTA ===== */
        .consult-section {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15), rgba(0, 240, 255, 0.05));
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .consult-box {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
            align-items: center;
            padding: 40px;
            background: var(--secondary-bg);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
        }

        .consult-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .consult-content p {
            font-size: 15px;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .consult-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .consult-form input {
            padding: 14px 18px;
            background: var(--primary-bg);
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-white);
            outline: none;
            transition: var(--transition);
        }

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

        .consult-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--primary-bg);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            background: transparent;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-white);
            transition: var(--transition);
        }

        .faq-question i {
            font-size: 14px;
            color: var(--accent-cyan);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-silver);
            line-height: 1.7;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #060710;
            border-top: 1px solid var(--border-dark);
            padding: 50px 0 24px;
        }

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

        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 400px;
        }

        .footer-column h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
        }

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

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

        .footer-column ul li a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-badge {
            padding: 6px 12px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 6px;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent-cyan);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-title {
                font-size: 32px;
            }

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

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

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border-dark);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                z-index: 999;
            }

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

            .nav-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 15px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-actions {
                gap: 8px;
            }

            .btn-login {
                padding: 8px 14px;
                font-size: 13px;
            }

            .btn-signup {
                padding: 8px 16px;
                font-size: 13px;
            }

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

            .hero-title {
                font-size: 26px;
            }

            .section {
                padding: 50px 0;
            }

            .section-title {
                font-size: 22px;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .consult-box {
                padding: 24px;
            }

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

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

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

            .nav-logo-text {
                font-size: 13px;
                max-width: 160px;
            }

            .nav-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .hero-title {
                font-size: 22px;
            }

            .hero-subtitle {
                font-size: 14px;
            }

            .section-title {
                font-size: 20px;
            }

            .comparison-table th,
            .comparison-table td {
                padding: 12px 14px;
                font-size: 12px;
            }

            .misconception-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }

            .fab-cyber {
                width: 48px;
                height: 48px;
                font-size: 18px;
                left: 12px;
                bottom: 80px;
            }
        }