/* roulang page: index */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --card-bg: rgba(13, 17, 30, 0.7);
            --card-border: rgba(0, 82, 255, 0.3);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --gradient-cyber: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --gradient-dark: linear-gradient(180deg, #08090F 0%, #0D111E 100%);
            --glow-blue: 0 0 15px rgba(0, 240, 255, 0.5);
            --glow-strong: 0 0 25px rgba(0, 240, 255, 0.7);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover,
        a:focus {
            color: #ffffff;
            text-decoration: none;
        }

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

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            line-height: 1.3;
            margin-top: 0;
        }

        h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.2rem);
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.5rem);
            font-weight: 600;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 82, 255, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            box-shadow: 0 4px 30px rgba(0, 82, 255, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 20px;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text i {
            color: var(--accent-cyan);
            font-size: 1.4rem;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-cyber);
            transition: width var(--transition-smooth);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .btn-signup {
            background: var(--gradient-cyber);
            color: #ffffff;
            border: none;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
        }

        .btn-signup:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        /* Hero Section */
        .hero-section {
            padding: 140px 0 80px;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 9, 15, 0.85) 0%, rgba(13, 17, 30, 0.7) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .hero-text h1 {
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 0%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text .subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 30px;
        }

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

        .btn-primary {
            background: var(--gradient-cyber);
            color: #ffffff;
            border: none;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        .btn-primary:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-secondary {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #ffffff;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

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

        .hero-progress {
            background: rgba(13, 17, 30, 0.8);
            backdrop-filter: blur(15px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 30px;
        }

        .progress-circle {
            width: 150px;
            height: 150px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: conic-gradient(var(--accent-cyan) 0% 75%, rgba(255, 255, 255, 0.1) 75% 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .progress-inner {
            width: 110px;
            height: 110px;
            border-radius: 50%;
            background: var(--secondary-bg);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .progress-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
        }

        .progress-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .tier-preview {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-top: 15px;
        }

        .tier-item {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-sm);
            padding: 10px;
            text-align: center;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .tier-item.featured {
            background: var(--gradient-cyber);
            color: #ffffff;
            box-shadow: var(--glow-blue);
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }

        .section-dark {
            background-color: var(--secondary-bg);
        }

        .section-title {
            margin-bottom: 15px;
            color: #ffffff;
        }

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

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

        /* Highlights Grid */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }

        .highlight-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .highlight-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

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

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

        .highlight-icon {
            font-size: 2.5rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }

        .highlight-card h3 {
            color: #ffffff;
            margin-bottom: 10px;
        }

        .highlight-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }

        /* Schedule Section */
        .schedule-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .schedule-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all var(--transition-fast);
        }

        .schedule-card:hover {
            border-color: var(--accent-cyan);
        }

        .schedule-time {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            min-width: 70px;
            text-align: center;
        }

        .schedule-info h4 {
            color: #ffffff;
            margin-bottom: 4px;
        }

        .schedule-info p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin: 0;
        }

        .badge-live {
            background: #ff0040;
            color: #ffffff;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        /* News Section */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 30px;
            margin-top: 30px;
        }

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

        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--card-bg);
            border: 1px solid transparent;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .news-item:hover {
            border-color: var(--card-border);
        }

        .news-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-content h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .news-content .news-date {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        .news-recommend {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 24px;
        }

        .news-recommend h3 {
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }

        .rec-item {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .rec-item a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            margin-top: 30px;
        }

        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 24px;
        }

        .testimonial-stars {
            color: #FFD700;
            margin-bottom: 10px;
            font-size: 1rem;
        }

        .testimonial-text {
            color: var(--text-secondary);
            font-style: italic;
            line-height: 1.7;
            margin-bottom: 15px;
        }

        .testimonial-author {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        /* Timeline Campaign */
        .campaign-timeline {
            margin-top: 30px;
        }

        .timeline-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-left: 2px solid var(--card-border);
            padding-left: 30px;
            position: relative;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 24px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: var(--glow-blue);
        }

        .timeline-date {
            font-weight: 700;
            color: var(--accent-cyan);
            min-width: 100px;
        }

        .timeline-content h4 {
            color: #ffffff;
            margin-bottom: 4px;
        }

        .timeline-content p {
            color: var(--text-secondary);
            margin: 0;
        }

        /* Booking Form */
        .booking-section {
            background: var(--secondary-bg);
            padding: 60px 0;
        }

        .booking-form {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 40px;
            max-width: 700px;
            margin: 30px auto 0;
        }

        .booking-form label {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .booking-form input,
        .booking-form select,
        .booking-form textarea {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            border-radius: var(--radius-sm);
            padding: 12px;
            width: 100%;
        }

        .booking-form input:focus,
        .booking-form select:focus,
        .booking-form textarea:focus {
            outline: none;
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
        }

        /* FAQ */
        .faq-list {
            margin-top: 30px;
            max-width: 800px;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
        }

        .faq-question {
            font-weight: 700;
            color: #ffffff;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            color: var(--text-secondary);
            padding-top: 10px;
            line-height: 1.7;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 999;
            background: rgba(8, 9, 15, 0.7);
            backdrop-filter: blur(15px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, #0052FF, #00F0FF) 1;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
            animation: float 3s ease-in-out infinite;
        }

        .fab:hover {
            box-shadow: var(--glow-strong);
            transform: scale(1.1);
        }

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

        .fab i {
            color: #ffffff;
            font-size: 1.5rem;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid rgba(0, 82, 255, 0.2);
            padding: 50px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }

        .footer-col h4 {
            color: #ffffff;
            margin-bottom: 15px;
            font-size: 1.1rem;
        }

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

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

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

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

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                padding: 20px;
                gap: 16px;
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-cta {
                gap: 8px;
            }
            .btn-login, .btn-signup {
                padding: 6px 16px;
                font-size: 0.85rem;
            }
            .hero-section {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .booking-form {
                padding: 20px;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --card-bg: rgba(13, 17, 30, 0.7);
            --card-border: rgba(0, 82, 255, 0.3);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --gradient-cyber: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --gradient-dark: linear-gradient(180deg, #08090F 0%, #0D111E 100%);
            --glow-blue: 0 0 15px rgba(0, 240, 255, 0.5);
            --glow-strong: 0 0 25px rgba(0, 240, 255, 0.7);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover,
        a:focus {
            color: #ffffff;
            text-decoration: none;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 82, 255, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            box-shadow: 0 4px 30px rgba(0, 82, 255, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 20px;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text i {
            color: var(--accent-cyan);
            font-size: 1.4rem;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-cyber);
            transition: width var(--transition-smooth);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .btn-signup {
            background: var(--gradient-cyber);
            color: #ffffff;
            border: none;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
        }

        .btn-signup:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        /* Article Hero */
        .article-hero {
            padding: 140px 0 60px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.6) 0%, rgba(8, 9, 15, 0.95) 100%);
            z-index: 1;
        }

        .article-hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .article-category-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            color: var(--accent-cyan);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        .article-hero h1 {
            font-family: var(--font-heading);
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .article-meta i {
            color: var(--accent-cyan);
            font-size: 0.85rem;
        }

        /* Article Content */
        .article-main {
            padding: 60px 0;
            background: var(--primary-bg);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }

        .article-body {
            background: rgba(13, 17, 30, 0.5);
            border: 1px solid rgba(0, 82, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 40px;
            backdrop-filter: blur(10px);
        }

        .article-body h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 32px 0 16px;
            line-height: 1.3;
        }

        .article-body h2:first-child {
            margin-top: 0;
        }

        .article-body h3 {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 24px 0 12px;
        }

        .article-body p {
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            font-size: 1.05rem;
        }

        .article-body ul,
        .article-body ol {
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 12px 0 20px 20px;
            padding: 0;
        }

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

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

        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            border: 1px solid rgba(0, 240, 255, 0.1);
        }

        .article-body blockquote {
            background: rgba(0, 82, 255, 0.08);
            border-left: 4px solid var(--accent-cyan);
            padding: 20px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-secondary);
            font-style: italic;
            font-size: 1.05rem;
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }

        .sidebar-card {
            background: rgba(13, 17, 30, 0.7);
            border: 1px solid rgba(0, 82, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 24px;
            backdrop-filter: blur(10px);
        }

        .sidebar-card h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid rgba(0, 240, 255, 0.2);
        }

        .sidebar-card .post-mini {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: background var(--transition-fast);
            border-radius: var(--radius-sm);
            cursor: pointer;
        }

        .sidebar-card .post-mini:last-child {
            border-bottom: none;
        }

        .sidebar-card .post-mini:hover {
            background: rgba(0, 240, 255, 0.05);
        }

        .sidebar-card .post-mini img {
            width: 60px;
            height: 60px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            border: 1px solid rgba(0, 240, 255, 0.15);
        }

        .sidebar-card .post-mini-title {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .sidebar-card .post-mini-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .cta-banner {
            background: var(--gradient-cyber);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--glow-blue);
            margin-bottom: 24px;
        }

        .cta-banner h4 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
            margin-bottom: 20px;
            line-height: 1.5;
        }

        .btn-cta-full {
            display: inline-block;
            background: #ffffff;
            color: var(--accent-blue);
            padding: 12px 28px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }

        .btn-cta-full:hover {
            background: var(--text-primary);
            color: var(--accent-blue);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }

        /* Related Section */
        .related-section {
            padding: 60px 0;
            background: var(--secondary-bg);
        }

        .related-section h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 32px;
            text-align: left;
        }

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

        .related-card {
            background: rgba(13, 17, 30, 0.7);
            border: 1px solid rgba(0, 82, 255, 0.2);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            backdrop-filter: blur(10px);
        }

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

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 2px solid rgba(0, 240, 255, 0.15);
        }

        .related-card-content {
            padding: 20px;
        }

        .related-card-content h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-content .date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Not Found */
        .not-found-section {
            padding: 120px 0;
            text-align: center;
        }

        .not-found-section .icon-large {
            font-size: 4rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
        }

        .not-found-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .not-found-section p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1.1rem;
        }

        .btn-back-home {
            display: inline-block;
            background: var(--gradient-cyber);
            color: #ffffff;
            padding: 12px 32px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
        }

        .btn-back-home:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-2px);
            color: #ffffff;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid rgba(0, 82, 255, 0.2);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid rgba(0, 240, 255, 0.2);
            display: inline-block;
        }

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

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

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 24px;
            z-index: 50;
            background: rgba(8, 9, 15, 0.6);
            backdrop-filter: blur(15px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)) 1;
            color: var(--accent-cyan);
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
            animation: pulse-fab 2s infinite;
        }

        .fab-floating:hover {
            box-shadow: var(--glow-strong);
            transform: scale(1.1);
            animation: none;
        }

        @keyframes pulse-fab {
            0%, 100% { box-shadow: 0 0 15px rgba(0, 240, 255, 0.5); }
            50% { box-shadow: 0 0 30px rgba(0, 240, 255, 0.9); }
        }

        /* Mobile Menu */
        .mobile-menu {
            position: fixed;
            top: 64px;
            left: 0;
            width: 100%;
            background: rgba(8, 9, 15, 0.98);
            backdrop-filter: blur(20px);
            z-index: 999;
            padding: 20px;
            display: none;
            flex-direction: column;
            gap: 16px;
            border-bottom: 1px solid rgba(0, 82, 255, 0.3);
        }

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

        .mobile-menu a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 1.1rem;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

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

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

            .article-sidebar {
                position: static;
            }

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

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

        @media (max-width: 768px) {
            .nav-links, .nav-cta .btn-login, .nav-cta .btn-signup {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .nav-cta {
                gap: 8px;
            }

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

            .article-body {
                padding: 24px;
            }

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

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

            .article-hero {
                padding: 120px 0 40px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                gap: 12px;
            }

            .logo-text {
                font-size: 1.1rem;
            }

            .article-meta {
                gap: 12px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --card-bg: rgba(13, 17, 30, 0.7);
            --card-border: rgba(0, 82, 255, 0.3);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --gradient-cyber: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --gradient-dark: linear-gradient(180deg, #08090F 0%, #0D111E 100%);
            --glow-blue: 0 0 15px rgba(0, 240, 255, 0.5);
            --glow-strong: 0 0 25px rgba(0, 240, 255, 0.7);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover,
        a:focus {
            color: #ffffff;
            text-decoration: none;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 82, 255, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            box-shadow: 0 4px 30px rgba(0, 82, 255, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 20px;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text i {
            color: var(--accent-cyan);
            font-size: 1.4rem;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-cyber);
            transition: width var(--transition-smooth);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .btn-signup {
            background: var(--gradient-cyber);
            color: #ffffff;
            border: none;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
        }

        .btn-signup:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        /* Hero Section */
        .hero-section {
            padding: 140px 0 80px;
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.7) 0%, rgba(13, 17, 30, 0.9) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 6px 18px;
            border-radius: 25px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .hero-badge i {
            margin-right: 6px;
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 20px;
        }

        .hero-title span {
            background: var(--gradient-cyber);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 35px;
            line-height: 1.7;
        }

        .hero-benefits {
            list-style: none;
            padding: 0;
            margin: 0 0 35px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .hero-benefits li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 1.05rem;
            font-weight: 500;
        }

        .hero-benefits li i {
            color: var(--accent-cyan);
            font-size: 1.2rem;
        }

        .hero-cta-group {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--gradient-cyber);
            color: #ffffff;
            border: none;
            padding: 14px 35px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
            text-align: center;
            display: inline-block;
        }

        .btn-primary:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 14px 35px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            display: inline-block;
        }

        .btn-outline:hover {
            background: var(--accent-cyan);
            color: #08090F;
            box-shadow: var(--glow-blue);
        }

        .trust-strip {
            display: flex;
            align-items: center;
            gap: 30px;
            margin-top: 25px;
            flex-wrap: wrap;
        }

        .trust-strip span {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        /* Content Sections General */
        .section-padding {
            padding: 80px 0;
        }

        .section-dark {
            background-color: var(--secondary-bg);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 15px;
            text-align: left;
        }

        .section-title span {
            background: var(--gradient-cyber);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 50px;
            max-width: 700px;
            text-align: left;
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-bottom: 40px;
        }

        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gradient-cyber);
            transform: scaleX(0);
            transition: transform var(--transition-smooth);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--glow-blue);
            transform: translateY(-5px);
        }

        .feature-icon {
            width: 55px;
            height: 55px;
            border-radius: var(--radius-md);
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        .feature-card h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* How It Works / Steps */
        .steps-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 30px;
            max-width: 800px;
        }

        .step-item {
            display: flex;
            gap: 25px;
            align-items: flex-start;
        }

        .step-number {
            width: 55px;
            height: 55px;
            min-width: 55px;
            border-radius: 50%;
            background: var(--gradient-cyber);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.5rem;
            box-shadow: var(--glow-blue);
        }

        .step-content h4 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
        }

        .step-content p {
            color: var(--text-secondary);
            margin: 0;
        }

        /* Stream Quality Showcase */
        .quality-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .quality-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--card-border);
            box-shadow: var(--glow-blue);
        }

        .quality-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .quality-list li {
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }

        .quality-list li i {
            color: var(--accent-cyan);
            font-size: 1.3rem;
            margin-top: 3px;
        }

        .quality-list li strong {
            display: block;
            color: #ffffff;
            margin-bottom: 4px;
        }

        .quality-list li span {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            margin-bottom: 15px;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

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

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: #ffffff;
            padding: 20px 25px;
            font-size: 1.1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition-fast);
        }

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

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

        .faq-answer {
            padding: 0 25px 20px;
            color: var(--text-secondary);
            display: none;
            line-height: 1.7;
        }

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

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

        /* CTA Section */
        .cta-section {
            text-align: center;
            padding: 80px 0;
            background: var(--secondary-bg);
            border-top: 1px solid var(--card-border);
            border-bottom: 1px solid var(--card-border);
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 15px;
        }

        .cta-section h2 span {
            background: var(--gradient-cyber);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 30px;
        }

        /* FAB */
        .floating-fab {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 28px;
            background: rgba(13, 17, 30, 0.8);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            transition: all var(--transition-smooth);
            animation: floatFAB 3s ease-in-out infinite;
        }

        .floating-fab:hover {
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.7);
            transform: scale(1.1);
            color: #ffffff;
            border-color: var(--accent-cyan);
        }

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

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            padding: 60px 0 30px;
            border-top: 1px solid var(--card-border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            color: #ffffff;
            font-weight: 700;
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

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

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

        .footer-col ul li a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
            font-size: 0.95rem;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .quality-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-title {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                border-bottom: 1px solid var(--card-border);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-cta {
                gap: 8px;
            }
            .btn-login, .btn-signup {
                padding: 6px 15px;
                font-size: 0.8rem;
            }
            .hero-section {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary, .btn-outline {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .hero-benefits {
                flex-direction: column;
                gap: 10px;
            }
            .trust-strip {
                flex-direction: column;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 25px;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --card-bg: rgba(13, 17, 30, 0.7);
            --card-border: rgba(0, 82, 255, 0.3);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --gradient-cyber: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --gradient-dark: linear-gradient(180deg, #08090F 0%, #0D111E 100%);
            --glow-blue: 0 0 15px rgba(0, 240, 255, 0.5);
            --glow-strong: 0 0 25px rgba(0, 240, 255, 0.7);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover,
        a:focus {
            color: #ffffff;
            text-decoration: none;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 82, 255, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            box-shadow: 0 4px 30px rgba(0, 82, 255, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 20px;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text i {
            color: var(--accent-cyan);
            font-size: 1.4rem;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-cyber);
            transition: width var(--transition-smooth);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .btn-signup {
            background: var(--gradient-cyber);
            color: #ffffff;
            border: none;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
        }

        .btn-signup:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        /* Hero Section */
        .hero-section {
            padding: 140px 0 80px;
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,9,15,0.7) 0%, rgba(8,9,15,0.85) 100%);
        }

        .hero-bento {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: center;
        }

        .hero-main-block {
            background: var(--card-bg);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            grid-row: span 2;
        }

        .hero-main-block h1 {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            background: var(--gradient-cyber);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-main-block p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            line-height: 1.65;
            margin-bottom: 32px;
        }

        .hero-cta-bar {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary-glow {
            background: var(--gradient-cyber);
            color: #ffffff;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-glow:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-outline-glow {
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.5);
            color: var(--accent-cyan);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-glow:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            color: #ffffff;
        }

        .hero-feature-cards {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .hero-small-card {
            background: var(--card-bg);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: all var(--transition-smooth);
        }

        .hero-small-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--glow-blue);
            transform: translateX(4px);
        }

        .hero-small-card i {
            font-size: 2rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

        .hero-small-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .hero-small-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }

        /* Schedule Table Section */
        .schedule-section {
            padding: 80px 0;
            background: var(--secondary-bg);
        }

        .section-header {
            margin-bottom: 48px;
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 20px;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            background: var(--gradient-cyber);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin: 0;
        }

        .schedule-filters {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-chip {
            padding: 8px 20px;
            border-radius: 25px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.15);
            color: var(--text-secondary);
        }

        .filter-chip.active,
        .filter-chip:hover {
            background: var(--gradient-cyber);
            color: #ffffff;
            border-color: transparent;
            box-shadow: var(--glow-blue);
        }

        .schedule-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--card-border);
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 800px;
        }

        .schedule-table th {
            background: rgba(0, 82, 255, 0.15);
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 16px;
            text-align: left;
            border-bottom: 1px solid var(--card-border);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .schedule-table td {
            padding: 18px 16px;
            border-bottom: 1px solid rgba(0, 82, 255, 0.1);
            color: var(--text-secondary);
            font-size: 0.95rem;
            vertical-align: middle;
        }

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

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

        .match-time-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            color: var(--accent-cyan);
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
        }

        .match-status-live {
            display: inline-block;
            background: #D32F2F;
            color: #ffffff;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
            animation: pulse-live 2s infinite;
        }

        @keyframes pulse-live {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        .match-status-upcoming {
            display: inline-block;
            background: rgba(255, 215, 0, 0.2);
            color: #FFD700;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
        }

        .watch-link {
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .watch-link:hover {
            color: #ffffff;
        }

        /* Features Section */
        .features-section {
            padding: 80px 0;
            background: var(--primary-bg);
            position: relative;
        }

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

        .feature-card-glass {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: left;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .feature-card-glass::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(0,240,255,0.05) 0%, transparent 70%);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

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

        .feature-card-glass:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--glow-blue);
            transform: translateY(-4px);
        }

        .feature-card-glass i {
            font-size: 2rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
            display: block;
        }

        .feature-card-glass h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #ffffff;
        }

        .feature-card-glass p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }

        /* Tips Section */
        .tips-section {
            padding: 80px 0;
            background: var(--secondary-bg);
            position: relative;
        }

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

        .tip-card {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

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

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

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

        .tip-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #ffffff;
        }

        .tip-card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0 0 16px;
        }

        .tip-link {
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .tip-link:hover {
            color: #ffffff;
        }

        /* FAQ Section */
        .faq-section {
            padding: 80px 0;
            background: var(--primary-bg);
        }

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

        .faq-item {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--glow-blue);
        }

        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            color: #ffffff;
            transition: color var(--transition-fast);
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.65;
        }

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

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: var(--secondary-bg);
            position: relative;
            text-align: center;
        }

        .cta-block {
            background: var(--card-bg);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 56px 36px;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-block h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: var(--gradient-cyber);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .cta-block p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 32px;
        }

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

        /* Footer */
        .site-footer {
            background: rgba(8, 9, 15, 0.98);
            border-top: 1px solid rgba(0, 82, 255, 0.3);
            padding: 60px 0 30px;
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-weight: 700;
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid rgba(0, 82, 255, 0.15);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 24px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(0,0,0,0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
        }

        .fab-floating::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: var(--gradient-cyber);
            z-index: -1;
            opacity: 0.6;
        }

        .fab-floating:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
        }

        .fab-floating i {
            color: #ffffff;
            font-size: 1.3rem;
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF0000;
            border-radius: 50%;
            animation: pulse-fab 2s infinite;
        }

        @keyframes pulse-fab {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.3); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-bento {
                grid-template-columns: 1fr;
            }
            .hero-feature-cards {
                flex-direction: row;
            }
            .hero-small-card {
                flex: 1;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero-feature-cards {
                flex-direction: column;
            }
            .hero-main-block {
                padding: 32px 24px;
            }
            .hero-main-block h1 {
                font-size: 1.8rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 1.6rem;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .hero-main-block h1 {
                font-size: 1.5rem;
            }
            .btn-primary-glow,
            .btn-outline-glow {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .hero-cta-bar {
                flex-direction: column;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --card-bg: rgba(13, 17, 30, 0.7);
            --card-border: rgba(0, 82, 255, 0.3);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --gradient-cyber: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --gradient-dark: linear-gradient(180deg, #08090F 0%, #0D111E 100%);
            --glow-blue: 0 0 15px rgba(0, 240, 255, 0.5);
            --glow-strong: 0 0 25px rgba(0, 240, 255, 0.7);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover,
        a:focus {
            color: #ffffff;
            text-decoration: none;
            outline: none;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 82, 255, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            box-shadow: 0 4px 30px rgba(0, 82, 255, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 20px;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text i {
            color: var(--accent-cyan);
            font-size: 1.4rem;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-cyber);
            transition: width var(--transition-smooth);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .btn-signup {
            background: var(--gradient-cyber);
            color: #ffffff;
            border: none;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
        }

        .btn-signup:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        /* Page Banner */
        .page-banner {
            padding: 140px 0 60px;
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 50vh;
            display: flex;
            align-items: center;
        }

        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.7) 0%, rgba(8, 9, 15, 0.9) 100%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            text-align: left;
            max-width: 800px;
        }

        .banner-content h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: var(--gradient-cyber);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Section Styles */
        .section {
            padding: 64px 0;
        }

        .section-dark {
            background: var(--secondary-bg);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 40px;
            color: var(--text-primary);
            position: relative;
            padding-bottom: 16px;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--gradient-cyber);
            border-radius: 2px;
        }

        /* Strategy Cards */
        .strategy-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            margin-bottom: 20px;
            transition: all var(--transition-smooth);
        }

        .strategy-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.15);
            transform: translateY(-2px);
        }

        .strategy-card h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }

        .strategy-card p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .strategy-icon {
            width: 50px;
            height: 50px;
            background: var(--gradient-cyber);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.4rem;
            color: #ffffff;
        }

        /* Tip List */
        .tip-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .tip-list li {
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .tip-list li:last-child {
            border-bottom: none;
        }

        .tip-number {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: var(--gradient-cyber);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: #ffffff;
        }

        .tip-content {
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .tip-content strong {
            color: var(--text-primary);
        }

        /* Glossary Table */
        .glossary-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 16px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-fast);
        }

        .glossary-item:hover {
            border-color: var(--accent-cyan);
        }

        .glossary-term {
            flex-shrink: 0;
            font-weight: 700;
            color: var(--accent-cyan);
            min-width: 120px;
            font-size: 1rem;
        }

        .glossary-desc {
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            padding: 72px 0;
            background: var(--gradient-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-box {
            background: rgba(0, 82, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            position: relative;
        }

        .cta-box h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-box p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1.1rem;
        }

        .btn-cta {
            display: inline-block;
            background: var(--gradient-cyber);
            color: #ffffff;
            font-weight: 700;
            padding: 14px 36px;
            border-radius: 30px;
            font-size: 1.05rem;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
            text-decoration: none;
        }

        .btn-cta:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-2px);
            color: #ffffff;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 999;
            width: 54px;
            height: 54px;
            background: rgba(8, 9, 15, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            border-image: var(--gradient-cyber) 1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            box-shadow: var(--glow-blue);
            cursor: pointer;
            transition: all var(--transition-smooth);
            animation: float 3s ease-in-out infinite;
        }

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

        .fab-floating:hover {
            box-shadow: var(--glow-strong);
            transform: scale(1.15);
            color: #ffffff;
        }

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

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(0, 240, 255, 0.15);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            color: var(--text-primary);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

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

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

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Mobile Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 18px;
            }
            .banner-content h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(8, 9, 15, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-cta {
                gap: 8px;
            }
            .btn-login,
            .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .banner-content h1 {
                font-size: 1.8rem;
            }
            .banner-content p {
                font-size: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .page-banner {
                min-height: 40vh;
                padding: 120px 0 40px;
            }
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .glossary-item {
                flex-direction: column;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .banner-content h1 {
                font-size: 1.5rem;
            }
            .strategy-card {
                padding: 20px;
            }
            .strategy-card h3 {
                font-size: 1.1rem;
            }
            .fab-floating {
                width: 46px;
                height: 46px;
                left: 14px;
                bottom: 70px;
                font-size: 1.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --card-bg: rgba(13, 17, 30, 0.7);
            --card-border: rgba(0, 82, 255, 0.3);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --gradient-cyber: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --gradient-dark: linear-gradient(180deg, #08090F 0%, #0D111E 100%);
            --glow-blue: 0 0 15px rgba(0, 240, 255, 0.5);
            --glow-strong: 0 0 25px rgba(0, 240, 255, 0.7);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover,
        a:focus {
            color: #ffffff;
            text-decoration: none;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 82, 255, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            box-shadow: 0 4px 30px rgba(0, 82, 255, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 20px;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text i {
            color: var(--accent-cyan);
            font-size: 1.4rem;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-cyber);
            transition: width var(--transition-smooth);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .btn-signup {
            background: var(--gradient-cyber);
            color: #ffffff;
            border: none;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
        }

        .btn-signup:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        .page-hero {
            padding: 140px 0 60px;
            position: relative;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 60vh;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.85) 0%, rgba(8, 9, 15, 0.95) 100%);
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .page-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 1.2rem;
            line-height: 1.2;
        }

        .page-hero h1 span {
            background: var(--gradient-cyber);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .trust-badges {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            align-items: center;
        }

        .trust-badge {
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            padding: 8px 16px;
            border-radius: 25px;
            font-size: 0.85rem;
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }

        .section-block {
            padding: 80px 0;
            position: relative;
        }

        .section-block.bg-alt {
            background: var(--secondary-bg);
            border-top: 1px solid rgba(0, 82, 255, 0.15);
            border-bottom: 1px solid rgba(0, 82, 255, 0.15);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60%;
            height: 3px;
            background: var(--gradient-cyber);
            border-radius: 3px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-top: 1.2rem;
            margin-bottom: 3rem;
            line-height: 1.6;
        }

        .strategy-steps {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .strategy-item {
            display: grid;
            grid-template-columns: 60px 1fr;
            gap: 30px;
            align-items: start;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: var(--gradient-cyber);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffffff;
            box-shadow: var(--glow-blue);
            flex-shrink: 0;
        }

        .strategy-content h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }

        .strategy-content p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .strategy-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            border: 1px solid rgba(0, 240, 255, 0.4);
            padding: 4px 12px;
            border-radius: 15px;
            font-size: 0.8rem;
            color: var(--accent-cyan);
            font-weight: 600;
            margin-right: 8px;
            margin-bottom: 6px;
        }

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }

        .tip-card {
            background: rgba(13, 17, 30, 0.6);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 35px 25px;
            position: relative;
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gradient-cyber);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
        }

        .tip-card:hover::before {
            transform: scaleX(1);
        }

        .tip-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 8px 35px rgba(0, 82, 255, 0.2);
            transform: translateY(-3px);
        }

        .tip-icon {
            width: 55px;
            height: 55px;
            background: rgba(0, 240, 255, 0.15);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.2rem;
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        .tip-card h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }

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

        .mistake-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 30px;
        }

        .mistake-item {
            background: rgba(255, 0, 0, 0.08);
            border-left: 4px solid #FF4444;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 25px 30px;
            transition: all var(--transition-fast);
        }

        .mistake-item:hover {
            background: rgba(255, 0, 0, 0.15);
        }

        .mistake-item h4 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #FF6B6B;
            margin-bottom: 0.5rem;
        }

        .mistake-item p {
            color: var(--text-secondary);
            margin-bottom: 0;
            font-size: 1rem;
            line-height: 1.6;
        }

        .faq-block {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid rgba(0, 82, 255, 0.2);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-question {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 15px;
        }

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

        .faq-answer {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.6;
            margin-top: 12px;
            display: none;
        }

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

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

        .cta-section {
            padding: 80px 0;
            background: var(--gradient-dark);
            text-align: center;
            border-top: 1px solid rgba(0, 240, 255, 0.3);
        }

        .cta-box {
            background: rgba(13, 17, 30, 0.7);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(0, 240, 255, 0.4);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            box-shadow: var(--glow-blue);
        }

        .cta-box h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .cta-box p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }

        .btn-primary {
            display: inline-block;
            background: var(--gradient-cyber);
            color: #ffffff;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            box-shadow: var(--glow-blue);
            transition: all var(--transition-smooth);
            text-decoration: none;
        }

        .btn-primary:hover {
            box-shadow: var(--glow-strong);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .site-footer {
            background: #060710;
            border-top: 1px solid rgba(0, 82, 255, 0.3);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 35px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1.2rem;
            position: relative;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 36px;
            height: 2px;
            background: var(--accent-cyan);
        }

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

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

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.95rem;
            transition: color var(--transition-fast);
        }

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

        .footer-col p {
            margin-bottom: 0;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 999;
            width: 52px;
            height: 52px;
            background: var(--gradient-cyber);
            border-radius: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--glow-strong);
            transition: all var(--transition-smooth);
            color: #ffffff;
            font-size: 1.3rem;
            animation: float 3s ease-in-out infinite;
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.9);
        }

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

        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .strategy-item {
                grid-template-columns: 50px 1fr;
                gap: 20px;
            }
            .step-number {
                width: 50px;
                height: 50px;
                font-size: 1.5rem;
            }
            .tips-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                padding: 20px;
                gap: 16px;
                border-bottom: 2px solid rgba(0, 240, 255, 0.5);
            }
            .nav-links.show {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .page-hero {
                min-height: 45vh;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .strategy-item {
                grid-template-columns: 1fr;
                gap: 15px;
            }
            .step-number {
                margin-bottom: 5px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .cta-box {
                padding: 40px 25px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 25px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 15px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .trust-badges {
                gap: 8px;
            }
            .trust-badge {
                font-size: 0.75rem;
                padding: 6px 12px;
            }
            .mistake-item {
                padding: 20px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .fab-left {
                width: 44px;
                height: 44px;
                left: 12px;
                bottom: 70px;
                font-size: 1.1rem;
            }
        }