/* roulang page: index */
/* ============ DESIGN SYSTEM VARIABLES ============ */
        :root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.85);
            --bg-glass: rgba(8, 9, 15, 0.65);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-hot: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #8A94A6;
            --border-glow: rgba(0, 240, 255, 0.3);
            --border-subtle: rgba(203, 213, 225, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.18);
            --shadow-glow-strong: 0 0 40px rgba(0, 240, 255, 0.35);
            --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.45);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
            --font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ============ BASE RESET ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 15% 20%, rgba(0, 82, 255, 0.12) 0%, transparent 50%),
                radial-gradient(ellipse at 85% 65%, rgba(0, 240, 255, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 90%, rgba(0, 82, 255, 0.05) 0%, transparent 40%);
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

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

        /* ============ CONTAINER CUSTOM ============ */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ============ SECTION SPACING ============ */
        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        .section-padding-lg {
            padding-top: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
        }

        /* ============ TYPOGRAPHY ============ */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: var(--spacing-sm);
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            font-weight: 400;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: var(--spacing-lg);
        }

        /* ============ GLASSMORPHISM ============ */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-soft);
            transition: all var(--transition-base);
        }

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

        /* ============ GLOW BUTTONS ============ */
        .btn-glow-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-blue) 0%, #0038B8 100%);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.4), 0 0 30px rgba(0, 82, 255, 0.2);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .btn-glow-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
            transition: left 0.6s ease;
            z-index: -1;
        }

        .btn-glow-primary:hover {
            box-shadow: 0 6px 30px rgba(0, 82, 255, 0.55), 0 0 50px rgba(0, 240, 255, 0.3);
            transform: translateY(-2px);
            color: #fff;
            background: linear-gradient(135deg, #0066FF 0%, #0042CC 100%);
        }

        .btn-glow-primary:hover::before {
            left: 100%;
        }

        .btn-glow-primary:active {
            transform: translateY(0) scale(0.97);
            box-shadow: 0 2px 12px rgba(0, 82, 255, 0.3);
        }

        .btn-glow-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 30px;
            border-radius: 50px;
            border: 2px solid var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
        }

        .btn-glow-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
            color: var(--accent-cyan);
            transform: translateY(-2px);
        }

        .btn-glow-outline:active {
            transform: translateY(0) scale(0.97);
        }

        .btn-glow-hot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-hot) 0%, #CC0066 100%);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            box-shadow: 0 4px 20px rgba(255, 0, 127, 0.4), 0 0 30px rgba(255, 0, 127, 0.2);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
        }

        .btn-glow-hot:hover {
            box-shadow: 0 6px 30px rgba(255, 0, 127, 0.55), 0 0 50px rgba(255, 0, 127, 0.3);
            transform: translateY(-2px);
            color: #fff;
            background: linear-gradient(135deg, #FF1188 0%, #DD0066 100%);
        }

        .btn-glow-hot:active {
            transform: translateY(0) scale(0.97);
        }

        .btn-sm {
            padding: 10px 22px;
            font-size: 0.9rem;
        }

        /* ============ BADGE & TAG ============ */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.25);
        }

        .badge-hot {
            background: rgba(255, 0, 127, 0.12);
            color: #FF79C6;
            border-color: rgba(255, 0, 127, 0.35);
        }

        .badge-gold {
            background: rgba(255, 215, 0, 0.12);
            color: #FFD700;
            border-color: rgba(255, 215, 0, 0.35);
        }

        .badge-new {
            background: rgba(0, 255, 100, 0.12);
            color: #7CFFA0;
            border-color: rgba(0, 255, 100, 0.35);
        }

        /* ============ HEADER & NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(8, 9, 15, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
            background: rgba(8, 9, 15, 0.95);
        }

        .navbar-custom {
            padding: 0;
            min-height: 70px;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: var(--font-family);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .brand-icon {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            font-size: 1.3rem;
            color: #fff;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
        }

        .navbar-nav-custom .nav-link-custom {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 16px;
            border-radius: 8px;
            transition: all var(--transition-fast);
            position: relative;
            text-decoration: none;
        }

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

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 9px 18px;
            border-radius: 8px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), #0038B8);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 10px 22px;
            border-radius: 8px;
            border: none;
            box-shadow: 0 2px 12px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-base);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #0066FF, #0042CC);
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.55);
            color: #fff;
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            border: 1px solid var(--border-subtle);
            background: transparent;
            color: var(--text-primary);
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 1.2rem;
        }

        .navbar-toggler-custom:focus {
            box-shadow: none;
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            position: relative;
            min-height: calc(100vh - 70px);
            display: flex;
            align-items: center;
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,9,15,0.75) 0%, rgba(8,9,15,0.85) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
            text-align: center;
        }

        .hero-title .highlight {
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0 auto var(--spacing-lg);
            text-align: center;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-bottom: var(--spacing-xl);
        }

        .hero-icon-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: var(--spacing-lg);
        }

        .hero-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: var(--spacing-sm);
            background: rgba(8, 9, 15, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }

        .hero-icon-item:hover {
            border-color: var(--border-glow);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
            transform: translateY(-3px);
        }

        .hero-icon-circle {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(0,82,255,0.2), rgba(0,240,255,0.2));
            font-size: 1.5rem;
            color: var(--accent-cyan);
            border: 1px solid rgba(0,240,255,0.3);
        }

        .hero-icon-label {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            text-align: center;
        }

        .hero-status-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 24px;
            padding: var(--spacing-sm) var(--spacing-md);
            background: rgba(8, 9, 15, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: 50px;
            backdrop-filter: blur(10px);
            justify-content: center;
        }

        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #00FF64;
            box-shadow: 0 0 12px rgba(0,255,100,0.7);
            animation: pulse-dot 1.8s infinite;
        }

        .status-text {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .status-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        /* ============ TRIAL BENEFITS SECTION ============ */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .benefit-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

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

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

        .benefit-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(0, 240, 255, 0.1);
            font-size: 1.8rem;
            color: var(--accent-cyan);
            margin-bottom: var(--spacing-sm);
        }

        .benefit-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

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

        /* ============ ELIGIBILITY SECTION ============ */
        .eligibility-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

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

        .eligibility-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--border-subtle);
        }

        .eligibility-check {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 255, 100, 0.1);
            color: #7CFFA0;
            font-size: 0.9rem;
            border: 1px solid rgba(0, 255, 100, 0.25);
        }

        .eligibility-item p {
            margin: 0;
            color: var(--text-secondary);
            line-height: 1.5;
            font-size: 0.95rem;
        }

        .eligibility-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-soft);
            position: relative;
        }

        .eligibility-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .eligibility-image .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(8,9,15,0.85) 100%);
            display: flex;
            align-items: flex-end;
            padding: var(--spacing-md);
        }

        .eligibility-image .overlay p {
            color: #fff;
            font-weight: 600;
            margin: 0;
        }

        /* ============ HOT TOPICS SECTION ============ */
        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: var(--spacing-sm);
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 50px;
            background: rgba(0, 82, 255, 0.1);
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid rgba(0, 82, 255, 0.2);
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .topic-tag:hover {
            background: rgba(0, 82, 255, 0.2);
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            transform: translateY(-2px);
        }

        .topic-tag i {
            color: var(--accent-cyan);
        }

        /* ============ CHANNEL SELLING POINTS SECTION ============ */
        .steps-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            backdrop-filter: blur(12px);
            transition: all var(--transition-base);
        }

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

        .steps-accordion .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
        }

        .steps-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.05);
            color: var(--accent-cyan);
        }

        .steps-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

        .steps-accordion .accordion-button::after {
            background-image: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--accent-cyan);
            transition: transform var(--transition-base);
        }

        .steps-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .steps-accordion .accordion-body {
            color: var(--text-secondary);
            line-height: 1.6;
            font-size: 0.95rem;
            padding: 0 22px 18px;
        }

        /* ============ CONTENT PREVIEW SECTION ============ */
        .timeline {
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-blue));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: var(--spacing-md);
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -32px;
            top: 4px;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--bg-primary);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.6rem;
            color: var(--accent-cyan);
        }

        .timeline-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .timeline-content p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }

        .timeline-content .preview-date {
            display: inline-block;
            margin-top: 6px;
            font-size: 0.8rem;
            color: var(--accent-cyan);
            font-weight: 500;
        }

        /* ============ NEWS LIST SECTION ============ */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            align-items: center;
            padding: var(--spacing-sm) var(--spacing-md);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .news-item:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateX(6px);
            background: rgba(13, 17, 30, 0.95);
        }

        .news-item-left {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0,82,255,0.2), rgba(0,240,255,0.2));
            color: var(--accent-cyan);
            font-size: 1.2rem;
            border: 1px solid rgba(0,240,255,0.25);
        }

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

        .news-item-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-item-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .news-item-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-empty {
            text-align: center;
            padding: 32px;
            color: var(--text-muted);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-subtle);
        }

        /* ============ APPLICATION FORM SECTION ============ */
        .form-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        .form-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(6px);
        }

        .form-container {
            position: relative;
            z-index: 1;
            padding: var(--spacing-xl);
        }

        .form-control-custom {
            background: rgba(8, 9, 15, 0.7);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            width: 100%;
        }

        .form-control-custom:focus {
            border-color: var(--accent-cyan);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
            background: rgba(8, 9, 15, 0.9);
        }

        .form-control-custom::placeholder {
            color: var(--text-muted);
        }

        .form-label-custom {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 6px;
            display: block;
        }

        .form-select-custom {
            background: rgba(8, 9, 15, 0.7);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            width: 100%;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300F0FF' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }

        .form-select-custom:focus {
            border-color: var(--accent-cyan);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-sm);
            position: relative;
            z-index: 1;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 300px;
        }

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

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

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

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

        .footer-bottom {
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-subtle);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ============ FAB ============ */
        .fab-custom {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(8, 9, 15, 0.65);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            position: relative;
        }

        .fab-custom::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue), var(--accent-cyan));
            z-index: -1;
            background-size: 200% 200%;
            animation: gradient-shift 3s ease infinite;
        }

        @keyframes gradient-shift {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        .fab-icon {
            font-size: 1.5rem;
            color: var(--accent-cyan);
            transition: all var(--transition-base);
        }

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

        .fab-custom:hover .fab-icon {
            color: #fff;
            animation: flicker 0.6s ease;
        }

        @keyframes flicker {
            0%, 100% { opacity: 1; }
            20% { opacity: 0.6; }
            40% { opacity: 0.9; }
            60% { opacity: 0.4; }
            80% { opacity: 0.8; }
        }

        .fab-custom .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-hot);
            box-shadow: 0 0 8px rgba(255, 0, 127, 0.8);
            animation: ping-dot 1.5s infinite;
        }

        @keyframes ping-dot {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.4); opacity: 0.7; }
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 992px) {
            .hero-icon-matrix {
                grid-template-columns: repeat(2, 1fr);
            }

            .benefits-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .eligibility-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .navbar-custom {
                flex-wrap: wrap;
            }

            .navbar-actions {
                margin-left: auto;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding-top: var(--spacing-lg);
                padding-bottom: var(--spacing-lg);
            }

            .section-padding-lg {
                padding-top: var(--spacing-xl);
                padding-bottom: var(--spacing-xl);
            }

            .hero-section {
                min-height: auto;
                padding-top: var(--spacing-lg);
                padding-bottom: var(--spacing-lg);
            }

            .hero-status-bar {
                flex-direction: column;
                align-items: flex-start;
                border-radius: var(--radius-md);
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

            .fab-custom {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
            }
        }

        @media (max-width: 576px) {
            .container-custom,
            .container-narrow {
                padding-left: 16px;
                padding-right: 16px;
            }

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

            .hero-subtitle {
                font-size: 1rem;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .form-container {
                padding: var(--spacing-md);
            }

            .topic-tag {
                font-size: 0.8rem;
                padding: 8px 14px;
            }

            .navbar-actions .btn-login {
                padding: 6px 12px;
                font-size: 0.85rem;
            }

            .navbar-actions .btn-signup {
                padding: 7px 16px;
                font-size: 0.85rem;
            }

            .navbar-brand-custom {
                font-size: 1.05rem;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 1.1rem;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.85);
            --bg-glass: rgba(15, 23, 42, 0.55);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-electric: #2979FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #7C8B9F;
            --text-dim: #4A5568;
            --border-glow: rgba(0, 240, 255, 0.3);
            --border-blue: rgba(0, 82, 255, 0.5);
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-blue-glow: 0 0 25px rgba(0, 82, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-xs: 8px;
            --spacing-sm: 14px;
            --spacing-md: 22px;
            --spacing-lg: 36px;
            --spacing-xl: 56px;
            --spacing-2xl: 72px;
            --font-family: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --line-height-body: 1.65;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

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

        body {
            font-family: var(--font-family);
            background: var(--bg-deep);
            color: var(--text-silver);
            line-height: var(--line-height-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 15%, rgba(0, 82, 255, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 80%, rgba(0, 240, 255, 0.08) 0%, transparent 50%),
                linear-gradient(180deg, #08090F 0%, #0D111E 35%, #08090F 100%);
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            inset: 0;
            background-image:
                linear-gradient(rgba(0, 240, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.025) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

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

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

        a:hover {
            text-decoration: none;
        }

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

        .container-custom {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(8, 9, 15, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }

        .navbar-custom {
            padding-top: 14px;
            padding-bottom: 14px;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition);
        }

        .navbar-brand-custom:hover {
            opacity: 0.85;
            color: var(--text-white);
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .navbar-toggler-custom {
            border: 1px solid rgba(0, 240, 255, 0.25);
            background: rgba(0, 240, 255, 0.06);
            color: var(--accent-cyan);
            border-radius: 8px;
            padding: 8px 12px;
            font-size: 1.15rem;
            transition: all var(--transition);
        }

        .navbar-toggler-custom:hover {
            background: rgba(0, 240, 255, 0.12);
            border-color: rgba(0, 240, 255, 0.45);
        }

        .navbar-toggler-custom:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
        }

        .navbar-nav-custom {
            gap: 6px;
            align-items: center;
        }

        .nav-link-custom {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-link-custom:hover,
        .nav-link-custom:focus {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
        }

        .nav-link-custom.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.2);
        }

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

        .btn-login,
        .btn-signup {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 18px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-login {
            color: var(--text-silver);
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        .btn-login:hover {
            color: var(--accent-cyan);
            border-color: rgba(0, 240, 255, 0.6);
            background: rgba(0, 240, 255, 0.05);
        }

        .btn-signup {
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            box-shadow: var(--shadow-glow);
        }

        .btn-signup:hover {
            box-shadow: var(--shadow-blue-glow);
            transform: translateY(-1px);
            color: #fff;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrapper {
            padding: 24px 0 6px;
            position: relative;
            z-index: 1;
        }

        .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-custom a {
            color: var(--accent-cyan);
            font-weight: 500;
            transition: color var(--transition);
        }

        .breadcrumb-custom a:hover {
            color: var(--text-white);
        }

        .breadcrumb-custom .separator {
            color: var(--text-dim);
            font-size: 0.7rem;
        }

        .breadcrumb-custom .current {
            color: var(--text-muted);
            font-weight: 400;
            max-width: 220px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== Article Section ===== */
        .article-section {
            padding: 28px 0 56px;
            position: relative;
            z-index: 1;
            flex: 1;
        }

        .article-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 36px 40px 40px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.03);
            position: relative;
            overflow: hidden;
        }

        .article-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 40px;
            right: 40px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-blue), transparent);
            opacity: 0.7;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 50px;
            color: var(--accent-cyan);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .article-card h1 {
            color: var(--text-white);
            font-size: clamp(1.55rem, 3.2vw, 2.3rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 24px;
            padding-bottom: 22px;
            margin-bottom: 28px;
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
            font-size: 0.84rem;
            color: var(--text-muted);
        }

        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .article-meta-item i {
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

        .article-meta-item strong {
            color: var(--text-silver);
            font-weight: 600;
        }

        .article-summary {
            background: rgba(0, 82, 255, 0.06);
            border-left: 3px solid var(--accent-blue);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 16px 20px;
            margin-bottom: 28px;
            color: var(--text-silver);
            font-size: 0.98rem;
            line-height: 1.7;
        }

        .article-content {
            color: var(--text-silver);
            font-size: 0.97rem;
            line-height: 1.75;
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: var(--text-white);
            font-weight: 700;
            margin-top: 2.2em;
            margin-bottom: 0.8em;
            line-height: 1.35;
        }

        .article-content h2 {
            font-size: 1.4rem;
            border-left: 3px solid var(--accent-cyan);
            padding-left: 14px;
        }

        .article-content h3 {
            font-size: 1.15rem;
        }

        .article-content p {
            margin-bottom: 1.2em;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            border: 1px solid rgba(0, 240, 255, 0.12);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
        }

        .article-content a {
            color: var(--accent-cyan);
            border-bottom: 1px dashed rgba(0, 240, 255, 0.35);
            transition: all var(--transition);
        }

        .article-content a:hover {
            color: var(--text-white);
            border-bottom-color: var(--text-white);
        }

        .article-content blockquote {
            background: rgba(0, 240, 255, 0.04);
            border-left: 3px solid var(--accent-cyan);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 22px 0;
            font-style: italic;
            color: var(--text-silver);
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.4em;
            margin-bottom: 1.3em;
        }

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

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 22px 0;
            font-size: 0.9rem;
        }

        .article-content th,
        .article-content td {
            padding: 12px 14px;
            border: 1px solid rgba(0, 240, 255, 0.12);
            text-align: left;
        }

        .article-content th {
            background: rgba(0, 240, 255, 0.08);
            color: var(--text-white);
            font-weight: 600;
        }

        .article-content td {
            color: var(--text-silver);
        }

        .article-not-found {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 60px 32px;
            text-align: center;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
        }

        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-cyan);
            margin-bottom: 18px;
            opacity: 0.7;
        }

        .article-not-found h2 {
            color: var(--text-white);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ===== Article CTA Section ===== */
        .article-cta {
            margin-top: 32px;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-xl);
            padding: 32px 36px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 18px 24px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45), var(--shadow-glow);
        }

        .article-cta-left h3 {
            color: var(--text-white);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .article-cta-left p {
            color: var(--text-muted);
            margin-bottom: 0;
            font-size: 0.9rem;
        }

        .article-cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .btn-glow-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 12px;
            border: none;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }

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

        .btn-glow-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 24px;
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 12px;
            border: 1px solid rgba(0, 240, 255, 0.35);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-glow-outline:hover {
            background: rgba(0, 240, 255, 0.06);
            border-color: rgba(0, 240, 255, 0.65);
            color: var(--text-white);
        }

        /* ===== Quick Info Table ===== */
        .article-info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 14px;
            margin: 28px 0;
        }

        .article-info-item {
            background: rgba(0, 82, 255, 0.05);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            text-align: left;
        }

        .article-info-item .label {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--text-muted);
            font-weight: 600;
            margin-bottom: 6px;
        }

        .article-info-item .value {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.05rem;
        }

        .article-info-item .value i {
            color: var(--accent-cyan);
            margin-right: 6px;
        }

        /* ===== Share Section ===== */
        .article-share {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(0, 240, 255, 0.08);
        }

        .article-share-label {
            color: var(--text-muted);
            font-size: 0.84rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid rgba(0, 240, 255, 0.18);
            background: rgba(0, 240, 255, 0.04);
            color: var(--text-silver);
            font-size: 0.9rem;
            transition: all var(--transition);
            cursor: pointer;
        }

        .share-btn:hover {
            border-color: rgba(0, 240, 255, 0.45);
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            transform: translateY(-2px);
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-top: 40px;
        }

        .faq-section h2 {
            color: var(--text-white);
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 20px;
            padding-left: 14px;
            border-left: 3px solid var(--accent-cyan);
        }

        .accordion-custom {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .accordion-custom:hover {
            border-color: rgba(0, 240, 255, 0.25);
        }

        .accordion-custom .accordion-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 16px 20px;
            background: transparent;
            border: none;
            color: var(--text-silver);
            font-weight: 600;
            font-size: 0.93rem;
            text-align: left;
            cursor: pointer;
            transition: all var(--transition);
        }

        .accordion-custom .accordion-btn:hover,
        .accordion-custom .accordion-btn:focus {
            color: var(--text-white);
            outline: none;
        }

        .accordion-custom .accordion-btn i {
            color: var(--accent-cyan);
            font-size: 0.85rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .accordion-custom .accordion-btn.collapsed i {
            transform: rotate(0deg);
        }

        .accordion-custom .accordion-btn:not(.collapsed) i {
            transform: rotate(180deg);
        }

        .accordion-custom .accordion-body {
            padding: 0 20px 16px;
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.7;
        }

        /* ===== FAB ===== */
        .fab-cyber {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 150;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 54px;
            height: 54px;
            background: rgba(8, 9, 15, 0.65);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 50%;
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 9, 15, 0.65), rgba(8, 9, 15, 0.65)), linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            background-origin: border-box;
            background-clip: content-box, border-box;
            color: var(--accent-cyan);
            font-size: 1.25rem;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.5), 0 8px 24px rgba(0, 0, 0, 0.45);
            transition: all var(--transition);
            animation: fab-breathe 2.8s ease-in-out infinite;
            min-width: 54px;
            min-height: 54px;
            text-decoration: none;
        }

        .fab-cyber:hover {
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8), 0 0 60px rgba(0, 82, 255, 0.35), 0 10px 28px rgba(0, 0, 0, 0.5);
            transform: scale(1.08);
            color: #fff;
        }

        .fab-cyber:active {
            transform: scale(0.94);
        }

        .fab-cyber .fab-notification {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #08090F;
            animation: fab-dot-pulse 1.6s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%,
            100% {
                opacity: 0.65;
                box-shadow: 0 0 18px rgba(0, 240, 255, 0.5), 0 8px 24px rgba(0, 0, 0, 0.45);
            }
            50% {
                opacity: 0.95;
                box-shadow: 0 0 28px rgba(0, 240, 255, 0.7), 0 8px 24px rgba(0, 0, 0, 0.45);
            }
        }

        @keyframes fab-dot-pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(16px);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 44px 0 0;
            position: relative;
            z-index: 1;
            margin-top: auto;
        }

        .footer-brand {
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-heading {
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.92rem;
            margin-bottom: 14px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

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

        .footer-links li {
            margin-bottom: 9px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-links a {
            color: var(--text-silver);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px 20px;
            padding: 18px 0;
            margin-top: 28px;
            border-top: 1px solid rgba(0, 240, 255, 0.06);
            font-size: 0.78rem;
            color: var(--text-dim);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-card {
                padding: 28px 26px 32px;
            }

            .article-card::before {
                left: 26px;
                right: 26px;
            }

            .article-cta {
                padding: 26px 26px;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }

            .navbar-custom {
                padding-top: 10px;
                padding-bottom: 10px;
                gap: 10px;
            }

            .navbar-brand-custom {
                font-size: 0.95rem;
                gap: 7px;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
                border-radius: 8px;
            }

            .btn-login,
            .btn-signup {
                padding: 7px 12px;
                font-size: 0.75rem;
                border-radius: 8px;
            }

            .nav-link-custom {
                font-size: 0.88rem;
                padding: 7px 12px !important;
            }

            .breadcrumb-wrapper {
                padding: 16px 0 4px;
            }

            .breadcrumb-custom .current {
                max-width: 120px;
            }

            .article-section {
                padding: 18px 0 40px;
            }

            .article-card {
                padding: 22px 18px 26px;
                border-radius: var(--radius-lg);
            }

            .article-card::before {
                left: 18px;
                right: 18px;
            }

            .article-card h1 {
                font-size: 1.35rem;
                margin-bottom: 12px;
            }

            .article-meta {
                gap: 10px 16px;
                padding-bottom: 16px;
                margin-bottom: 20px;
                font-size: 0.78rem;
            }

            .article-summary {
                padding: 12px 16px;
                font-size: 0.9rem;
                margin-bottom: 20px;
            }

            .article-content {
                font-size: 0.9rem;
                line-height: 1.7;
            }

            .article-content h2 {
                font-size: 1.15rem;
            }

            .article-content h3 {
                font-size: 1rem;
            }

            .article-info-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
                margin: 20px 0;
            }

            .article-info-item {
                padding: 12px 14px;
            }

            .article-info-item .value {
                font-size: 0.9rem;
            }

            .article-cta {
                padding: 22px 18px;
                border-radius: var(--radius-lg);
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .article-cta-left h3 {
                font-size: 1.05rem;
            }

            .btn-glow-primary,
            .btn-glow-outline {
                padding: 11px 18px;
                font-size: 0.85rem;
                border-radius: 10px;
                width: 100%;
                justify-content: center;
            }

            .article-cta-actions {
                width: 100%;
                flex-direction: column;
                gap: 10px;
            }

            .article-share {
                gap: 8px;
                margin-top: 18px;
                padding-top: 16px;
            }

            .share-btn {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }

            .faq-section h2 {
                font-size: 1.15rem;
            }

            .accordion-custom .accordion-btn {
                padding: 13px 16px;
                font-size: 0.86rem;
            }

            .accordion-custom .accordion-body {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }

            .fab-cyber {
                width: 48px;
                height: 48px;
                min-width: 48px;
                min-height: 48px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
            }

            .site-footer {
                padding: 32px 0 0;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                text-align: left;
                font-size: 0.72rem;
            }

            .article-not-found {
                padding: 40px 20px;
            }

            .article-not-found i {
                font-size: 2.2rem;
            }

            .article-not-found h2 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-actions {
                gap: 6px;
            }

            .btn-login,
            .btn-signup {
                padding: 6px 9px;
                font-size: 0.7rem;
                border-radius: 6px;
            }

            .navbar-brand-custom {
                font-size: 0.82rem;
            }

            .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }

            .article-card {
                padding: 18px 14px 22px;
            }

            .article-card::before {
                left: 14px;
                right: 14px;
            }

            .article-card h1 {
                font-size: 1.2rem;
            }

            .article-info-grid {
                grid-template-columns: 1fr;
            }

            .breadcrumb-custom {
                font-size: 0.75rem;
            }

            .breadcrumb-custom .current {
                max-width: 80px;
            }

            .article-summary {
                font-size: 0.84rem;
                padding: 10px 12px;
            }

            .article-content {
                font-size: 0.85rem;
            }

            .article-cta-left h3 {
                font-size: 0.95rem;
            }

            .article-cta-left p {
                font-size: 0.8rem;
            }
        }

        @media (min-width: 769px) {
            .navbar-nav-custom {
                margin-left: auto;
                margin-right: auto;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --bg-panel: rgba(13, 17, 30, 0.82);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --bg-glass-hover: rgba(255, 255, 255, 0.08);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-blue-bright: #2B7FFF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #7C8BA1;
            --border-glass: rgba(255, 255, 255, 0.1);
            --border-neon: rgba(0, 240, 255, 0.35);
            --border-blue: rgba(0, 82, 255, 0.4);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --shadow-blue: 0 0 24px rgba(0, 82, 255, 0.28);
            --shadow-cyan: 0 0 18px rgba(0, 240, 255, 0.25);
            --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-primary: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.28s ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            font-family: var(--font-primary);
            background: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background: radial-gradient(ellipse at 15% 20%, rgba(0, 82, 255, 0.13) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 80%, rgba(0, 240, 255, 0.08) 0%, transparent 55%),
                var(--bg-deep);
            z-index: -2;
        }

        body::after {
            content: "";
            position: fixed;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
            background-size: 48px 48px;
            z-index: -1;
            pointer-events: none;
        }

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

        a:hover {
            color: #fff;
        }

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            box-shadow: none;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ============ HEADER ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(8, 9, 15, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.96);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
        }

        .navbar-custom {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            position: relative;
        }

        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-white) !important;
            letter-spacing: -0.02em;
            text-decoration: none;
            white-space: nowrap;
        }

        .navbar-brand-custom .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 14px rgba(0, 82, 255, 0.35);
        }

        .navbar-brand-custom span:last-child {
            background: linear-gradient(135deg, #fff 0%, #B8D8FF 60%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .navbar-nav-custom {
            display: flex;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            align-items: center;
        }

        .navbar-nav-custom .nav-link-custom {
            display: inline-block;
            padding: 9px 18px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-silver) !important;
            border-radius: 24px;
            text-decoration: none;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .navbar-nav-custom .nav-link-custom:hover {
            color: #fff !important;
            background: var(--bg-glass);
        }

        .navbar-nav-custom .nav-link-custom.active {
            color: #fff !important;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.28), rgba(0, 240, 255, 0.18));
            border: 1px solid var(--border-neon);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.2);
        }

        .navbar-toggler-custom {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: #fff;
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .navbar-toggler-custom:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-neon);
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-white);
            background: transparent;
            border: 1px solid var(--border-glass);
            border-radius: 24px;
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: var(--bg-glass-hover);
            border-color: rgba(255, 255, 255, 0.25);
            color: #fff;
        }

        .btn-signup {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), #00308F);
            border: 1px solid rgba(0, 82, 255, 0.6);
            border-radius: 24px;
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
        }

        .btn-signup:hover {
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(0, 82, 255, 0.55);
            border-color: var(--accent-cyan);
        }

        @media (max-width: 991px) {
            .navbar-custom {
                padding: 12px 0;
            }

            .navbar-collapse {
                background: rgba(13, 17, 30, 0.97);
                border: 1px solid var(--border-glass);
                border-radius: var(--radius-md);
                padding: 18px;
                margin-top: 12px;
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
            }

            .navbar-nav-custom {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .navbar-nav-custom .nav-link-custom {
                padding: 12px 16px;
                border-radius: 10px;
                text-align: left;
            }

            .navbar-actions {
                flex-direction: column;
                width: 100%;
                gap: 8px;
                margin-top: 12px;
            }

            .btn-login,
            .btn-signup {
                width: 100%;
                text-align: center;
                padding: 11px 16px;
            }
        }

        @media (max-width: 576px) {
            .navbar-brand-custom {
                font-size: 1.15rem;
            }

            .navbar-brand-custom .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }

            .navbar-custom {
                padding: 10px 0;
            }
        }

        /* ============ HERO (Category Branch) ============ */
        .section-hero-branch {
            padding: 150px 0 60px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(180deg, rgba(0, 82, 255, 0.07) 0%, transparent 40%);
        }

        .section-hero-branch::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -100px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.14) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .section-hero-branch::after {
            content: "";
            position: absolute;
            bottom: -150px;
            left: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-branch-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
        }

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

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--border-neon);
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.01em;
            margin-bottom: 18px;
            text-transform: uppercase;
        }

        .hero-branch-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.18;
            letter-spacing: -0.025em;
            margin-bottom: 20px;
            color: #fff;
            text-wrap: balance;
        }

        .hero-branch-content h1 .gradient-text {
            background: linear-gradient(135deg, #B8D8FF 0%, var(--accent-cyan) 70%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-branch-desc {
            font-size: 1.12rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
            text-align: left;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .btn-glow-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue) 0%, #00308F 100%);
            border: 1px solid rgba(0, 82, 255, 0.55);
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: var(--shadow-blue);
            white-space: nowrap;
        }

        .btn-glow-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.55);
            border-color: var(--accent-cyan);
        }

        .btn-glow-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
            border: 1px solid var(--border-neon);
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-glow-outline:hover {
            color: #fff;
            background: rgba(0, 240, 255, 0.12);
            box-shadow: var(--shadow-cyan);
        }

        .hero-meta-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding-top: 18px;
            border-top: 1px solid var(--border-glass);
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-silver);
            font-weight: 500;
        }

        .hero-meta-item i {
            color: var(--accent-cyan);
            font-size: 1rem;
        }

        /* Faux data panel */
        .hero-data-panel {
            position: relative;
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-xl);
            padding: 30px 28px;
            box-shadow: var(--shadow-glass);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
        }

        .hero-data-panel::before {
            content: "";
            position: absolute;
            top: -1px;
            left: -1px;
            right: -1px;
            bottom: -1px;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.35), transparent 35%, transparent 65%, rgba(0, 82, 255, 0.35));
            border-radius: var(--radius-xl);
            z-index: -1;
            pointer-events: none;
        }

        .hero-data-panel .data-heading {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-cyan);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .data-rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .data-rank-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 14px;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .data-rank-item:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-neon);
        }

        .data-rank-label {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-silver);
        }

        .data-rank-label i {
            color: var(--accent-blue-bright);
            width: 20px;
            text-align: center;
        }

        .data-rank-value {
            font-weight: 800;
            font-size: 1.05rem;
            color: #fff;
            background: linear-gradient(135deg, #fff, var(--accent-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
        }

        .data-panel-footer {
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid var(--border-glass);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .data-panel-footer i {
            color: var(--accent-cyan);
        }

        /* ============ SECTION COMMON ============ */
        .section-block {
            padding: 56px 0;
            position: relative;
        }

        .section-block.alt-bg {
            background: rgba(13, 17, 30, 0.55);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .section-heading {
            text-align: left;
            margin-bottom: 36px;
            max-width: 700px;
        }

        .section-heading .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.09em;
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }

        .section-heading h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.28;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 12px;
            text-wrap: balance;
        }

        .section-heading p {
            font-size: 1.05rem;
            color: var(--text-silver);
            line-height: 1.65;
            text-align: left;
        }

        @media (max-width: 768px) {
            .section-heading h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 576px) {
            .section-heading h2 {
                font-size: 1.4rem;
            }
        }

        /* ============ TIPS CARDS ============ */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .tip-card {
            position: relative;
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: var(--transition);
            overflow: hidden;
        }

        .tip-card::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            opacity: 0;
            transition: var(--transition);
        }

        .tip-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-neon);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 240, 255, 0.15);
        }

        .tip-card:hover::after {
            opacity: 1;
        }

        .tip-card-icon {
            width: 52px;
            height: 52px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.22), rgba(0, 240, 255, 0.15));
            border: 1px solid var(--border-neon);
            border-radius: 14px;
            color: var(--accent-cyan);
            font-size: 1.35rem;
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .tip-card:hover .tip-card-icon {
            transform: scale(1.06);
            box-shadow: var(--shadow-cyan);
        }

        .tip-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.35;
            text-align: left;
        }

        .tip-card p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.65;
            text-align: left;
            margin-bottom: 0;
        }

        @media (max-width: 992px) {
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 620px) {
            .tips-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ SCENARIOS ============ */
        .scenarios-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .scenarios-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-glass);
            background: var(--bg-navy);
            min-height: 360px;
        }

        .scenarios-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 360px;
            filter: brightness(0.85) saturate(1.05);
            transition: var(--transition);
        }

        .scenarios-image-wrap:hover img {
            filter: brightness(1) saturate(1.1);
            transform: scale(1.03);
        }

        .scenarios-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 28px 24px;
            background: linear-gradient(180deg, transparent 0%, rgba(8, 9, 15, 0.88) 55%, rgba(8, 9, 15, 0.97) 100%);
            pointer-events: none;
        }

        .scenarios-image-overlay .overlay-label {
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-cyan);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .scenarios-image-overlay .overlay-text {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            line-height: 1.5;
        }

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

        .scenario-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition);
            align-items: flex-start;
        }

        .scenario-item:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-neon);
            transform: translateX(4px);
        }

        .scenario-num {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-blue), rgba(0, 82, 255, 0.6));
            border: 1px solid rgba(0, 82, 255, 0.5);
            border-radius: 10px;
            font-weight: 800;
            font-size: 1rem;
            color: #fff;
        }

        .scenario-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            text-align: left;
        }

        .scenario-content p {
            font-size: 0.93rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin-bottom: 0;
            text-align: left;
        }

        @media (max-width: 992px) {
            .scenarios-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .scenarios-image-wrap {
                min-height: 280px;
            }

            .scenarios-image-wrap img {
                min-height: 280px;
            }
        }

        /* ============ PROCESS / STEPS ============ */
        .process-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-step {
            position: relative;
            padding: 24px 20px;
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: var(--transition);
            text-align: left;
        }

        .process-step:hover {
            border-color: var(--border-neon);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.12);
            transform: translateY(-3px);
        }

        .process-step-number {
            font-size: 0.78rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--accent-cyan);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            text-align: left;
        }

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

        @media (max-width: 992px) {
            .process-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .process-row {
                grid-template-columns: 1fr;
            }
        }

        /* ============ SOCIAL PROOF ============ */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .proof-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            box-shadow: var(--shadow-glass);
            transition: var(--transition);
            text-align: left;
        }

        .proof-card:hover {
            border-color: var(--border-blue);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.46), 0 0 16px rgba(0, 82, 255, 0.14);
        }

        .proof-stats {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 10px;
        }

        .proof-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            background: linear-gradient(135deg, #fff, var(--accent-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
        }

        .proof-unit {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        .proof-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            text-align: left;
        }

        .proof-card p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin-bottom: 0;
            text-align: left;
        }

        .proof-footnote {
            margin-top: 22px;
            padding-top: 18px;
            border-top: 1px solid var(--border-glass);
            font-size: 0.88rem;
            color: var(--text-muted);
            text-align: left;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .proof-footnote i {
            color: var(--accent-cyan);
        }

        @media (max-width: 992px) {
            .proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 620px) {
            .proof-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 860px;
            margin-left: 0;
        }

        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-item .accordion-button {
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 20px 22px;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 12px;
            text-align: left;
            width: 100%;
            cursor: pointer;
            transition: var(--transition);
        }

        .faq-item .accordion-button:not(.collapsed) {
            background: rgba(0, 82, 255, 0.1);
            color: var(--accent-cyan);
        }

        .faq-item .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--accent-cyan);
            outline-offset: -2px;
        }

        .faq-item .accordion-body {
            padding: 0 22px 20px;
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.7;
            text-align: left;
        }

        .faq-item .accordion-button::after {
            display: none;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-neon);
            border-radius: 8px;
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

        /* ============ FINAL CTA ============ */
        .final-cta-panel {
            position: relative;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.18) 0%, rgba(13, 17, 30, 0.92) 60%, rgba(0, 240, 255, 0.1) 100%);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            box-shadow: var(--shadow-glass);
            overflow: hidden;
            text-align: left;
        }

        .final-cta-panel::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .final-cta-panel h2 {
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 14px;
            text-align: left;
            position: relative;
            z-index: 2;
        }

        .final-cta-panel p {
            font-size: 1.05rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 620px;
            text-align: left;
            position: relative;
            z-index: 2;
        }

        .final-cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            position: relative;
            z-index: 2;
        }

        @media (max-width: 576px) {
            .final-cta-panel {
                padding: 34px 22px;
            }

            .final-cta-panel h2 {
                font-size: 1.45rem;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: rgba(8, 9, 15, 0.92);
            border-top: 1px solid var(--border-glass);
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand i {
            color: var(--accent-cyan);
            font-size: 1.3rem;
        }

        .footer-desc {
            font-size: 0.92rem;
            color: var(--text-silver);
            line-height: 1.65;
            text-align: left;
            margin-bottom: 0;
        }

        .footer-heading {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.07em;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
            font-size: 0.92rem;
            color: var(--text-silver);
            text-align: left;
        }

        .footer-links li a {
            color: var(--text-silver);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-links li i {
            font-size: 0.95rem;
        }

        .footer-bottom {
            margin-top: 36px;
            padding-top: 22px;
            border-top: 1px solid var(--border-glass);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-bottom i {
            margin-right: 4px;
        }

        @media (max-width: 576px) {
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: left;
            }
        }

        /* ============ BOTTOM CONVERSION BAR ============ */
        .bottom-conversion-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(8, 9, 15, 0.93);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid var(--border-neon);
            padding: 12px 20px;
            box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.55);
            display: none;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .bottom-conversion-bar.visible {
            display: flex;
        }

        .bottom-bar-text {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-white);
            line-height: 1.4;
        }

        .bottom-bar-text span {
            color: var(--accent-cyan);
        }

        .bottom-bar-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            font-weight: 700;
            font-size: 0.92rem;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), #00308F);
            border: 1px solid rgba(0, 82, 255, 0.6);
            border-radius: 26px;
            text-decoration: none;
            white-space: nowrap;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
        }

        .bottom-bar-btn:hover {
            color: #fff;
            border-color: var(--accent-cyan);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.3);
        }

        @media (max-width: 768px) {
            .bottom-conversion-bar {
                padding: 10px 14px;
                gap: 10px;
            }

            .bottom-bar-text {
                font-size: 0.8rem;
            }

            .bottom-bar-btn {
                padding: 10px 16px;
                font-size: 0.8rem;
            }
        }

        /* Body padding for bottom bar on mobile */
        body.has-bottom-bar {
            padding-bottom: 70px;
        }

        /* ============ FAB (Cyber & Neon) ============ */
        .fab-cyber {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1055;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.68);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.45), 0 0 30px rgba(0, 82, 255, 0.25);
            opacity: 0.65;
            animation: fab-float 3.5s ease-in-out infinite, fab-border-flow 4s linear infinite;
        }

        .fab-cyber::before {
            content: "";
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            padding: 2px;
            background: linear-gradient(135deg, #00F0FF, #0052FF, #00F0FF);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .fab-cyber:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7), 0 0 48px rgba(0, 82, 255, 0.4);
        }

        .fab-cyber:active {
            transform: scale(0.94);
        }

        .fab-cyber .fab-icon {
            font-size: 1.45rem;
            color: var(--accent-cyan);
            z-index: 2;
            pointer-events: none;
            transition: var(--transition);
        }

        .fab-cyber:hover .fab-icon {
            animation: fab-flicker 0.6s ease-in-out;
        }

        .fab-cyber .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid rgba(0, 0, 0, 0.8);
            animation: fab-blink 1.4s ease-in-out infinite;
            z-index: 3;
        }

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

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

        @keyframes fab-flicker {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            25% {
                opacity: 0.6;
                transform: scale(0.92);
            }
            50% {
                opacity: 1;
                transform: scale(1.06);
            }
            75% {
                opacity: 0.7;
                transform: scale(0.96);
            }
        }

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

        @media (max-width: 576px) {
            .fab-cyber {
                width: 50px;
                height: 50px;
                left: 12px;
                bottom: 86px;
            }

            .fab-cyber .fab-icon {
                font-size: 1.25rem;
            }
        }

        /* ============ RESPONSIVE HERO ============ */
        @media (max-width: 992px) {
            .hero-branch-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .section-hero-branch {
                padding: 130px 0 48px;
            }

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

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

            .hero-data-panel {
                padding: 24px 20px;
            }
        }

        @media (max-width: 576px) {
            .section-hero-branch {
                padding: 118px 0 40px;
            }

            .hero-branch-content h1 {
                font-size: 1.7rem;
            }

            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }

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

            .hero-meta-strip {
                flex-direction: column;
                gap: 10px;
            }

            .hero-data-panel {
                padding: 20px 16px;
            }

            .data-rank-item {
                padding: 10px 12px;
            }
        }

/* roulang page: category1 */
:root {
            --cyber-bg: #08090F;
            --cyber-navy: #0D111E;
            --cyber-navy-2: #111827;
            --electric-blue: #0052FF;
            --electric-blue-bright: #1a6bff;
            --neon-cyan: #00F0FF;
            --neon-cyan-soft: rgba(0, 240, 255, 0.35);
            --white: #FFFFFF;
            --silver: #CBD5E1;
            --silver-muted: #94A3B8;
            --dark-card: rgba(13, 17, 30, 0.85);
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.08);
            --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
            --border-electric: 1px solid rgba(0, 82, 255, 0.55);
            --border-cyan: 1px solid rgba(0, 240, 255, 0.55);
            --glow-blue: 0 0 20px rgba(0, 82, 255, 0.5);
            --glow-cyan: 0 0 18px rgba(0, 240, 255, 0.4);
            --font-primary: 'Be Vietnam Pro', sans-serif;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 4rem;
            --space-2xl: 6rem;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-med: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-slow: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        body {
            font-family: var(--font-primary);
            background-color: var(--cyber-bg);
            color: var(--white);
            line-height: 1.65;
            overflow-x: hidden;
            position: relative;
            min-height: 100vh;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        
        a:hover {
            opacity: 0.85;
        }
        
        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        
        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        
        @media (min-width: 1200px) {
            .container-custom {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }
        
        /* Header / Navbar */
        .site-header {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: background var(--transition-med), box-shadow var(--transition-med);
        }
        
        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.98);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.6);
            border-bottom: 1px solid rgba(0, 240, 255, 0.25);
        }
        
        .navbar-custom {
            padding: 0.75rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.625rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--white);
            letter-spacing: -0.01em;
        }
        
        .navbar-brand-custom .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1.1rem;
        }
        
        .navbar-toggler-custom {
            border: 1px solid var(--glass-border);
            background: var(--glass-bg);
            color: var(--white);
            padding: 0.5rem 0.75rem;
            font-size: 1.2rem;
            border-radius: 8px;
        }
        
        .navbar-toggler-custom:focus {
            box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.3);
        }
        
        .navbar-nav-custom .nav-item {
            margin: 0 0.25rem;
        }
        
        .nav-link-custom {
            position: relative;
            padding: 0.5rem 0.9rem !important;
            font-weight: 500;
            color: var(--silver) !important;
            border-radius: 8px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        
        .nav-link-custom:hover,
        .nav-link-custom:focus {
            color: var(--white) !important;
            background: rgba(0, 240, 255, 0.08);
        }
        
        .nav-link-custom.active {
            color: var(--neon-cyan) !important;
            background: rgba(0, 240, 255, 0.12);
            box-shadow: inset 0 -2px 0 rgba(0, 240, 255, 0.5);
        }
        
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-left: 1rem;
        }
        
        .btn-login,
        .btn-signup {
            padding: 0.5rem 1.1rem;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        
        .btn-login {
            color: var(--silver);
            background: transparent;
            border: 1px solid var(--glass-border);
        }
        
        .btn-login:hover {
            color: var(--white);
            border-color: rgba(0, 240, 255, 0.4);
            background: rgba(0, 240, 255, 0.05);
        }
        
        .btn-signup {
            color: var(--white);
            background: var(--electric-blue);
            border: 1px solid var(--electric-blue);
            box-shadow: 0 4px 14px rgba(0, 82, 255, 0.3);
        }
        
        .btn-signup:hover {
            background: var(--electric-blue-bright);
            border-color: var(--electric-blue-bright);
            box-shadow: 0 6px 18px rgba(0, 82, 255, 0.45);
            transform: translateY(-1px);
        }
        
        /* Mobile nav */
        @media (max-width: 992px) {
            .navbar-actions {
                margin-left: auto;
                margin-right: 0.75rem;
            }
            .navbar-collapse {
                padding-top: 1rem;
            }
            .navbar-nav-custom .nav-item {
                margin: 0.25rem 0;
            }
            .navbar-actions {
                flex-wrap: wrap;
                justify-content: flex-end;
            }
        }
        
        /* Hero / Banner */
        .category-hero {
            position: relative;
            padding: 5.5rem 0 4.5rem;
            background-image: linear-gradient(135deg, rgba(8,9,15,0.88) 0%, rgba(13,17,30,0.72) 50%, rgba(8,9,15,0.92) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            overflow: hidden;
        }
        
        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 30%, rgba(0,82,255,0.15), transparent 60%), radial-gradient(circle at 80% 70%, rgba(0,240,255,0.08), transparent 50%);
            pointer-events: none;
        }
        
        .category-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--neon-cyan);
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 1.5rem;
        }
        
        .hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1.25rem;
            color: var(--white);
            max-width: 800px;
        }
        
        .hero-title span {
            color: var(--neon-cyan);
            text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
        }
        
        .hero-desc {
            font-size: 1.1rem;
            color: var(--silver);
            max-width: 700px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2.5rem;
        }
        
        .btn-glow-cyan {
            padding: 0.8rem 1.8rem;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            color: #0A0E1A;
            background: var(--neon-cyan);
            border: none;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        
        .btn-glow-cyan:hover {
            color: #0A0E1A;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.65);
            transform: translateY(-2px);
        }
        
        .btn-outline-glass {
            padding: 0.8rem 1.8rem;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--white);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(10px);
            transition: all var(--transition-fast);
        }
        
        .btn-outline-glass:hover {
            border-color: rgba(0, 240, 255, 0.5);
            background: rgba(0, 240, 255, 0.08);
            color: var(--white);
        }
        
        .hero-stats {
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
        }
        
        .hero-stat {
            text-align: left;
        }
        
        .hero-stat .stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: -0.02em;
        }
        
        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: var(--silver-muted);
        }
        
        @media (max-width: 768px) {
            .category-hero {
                padding: 3.5rem 0 3rem;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat .stat-value {
                font-size: 1.4rem;
            }
        }
        
        /* Section General */
        .section-padding {
            padding: 4.5rem 0;
        }
        
        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }
        }
        
        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 0.75rem;
        }
        
        .section-subtitle {
            font-size: 1rem;
            color: var(--silver-muted);
            max-width: 700px;
            margin-bottom: 2.5rem;
        }
        
        .section-title-left {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 0.75rem;
            text-align: left;
        }
        
        .section-subtitle-left {
            font-size: 1rem;
            color: var(--silver-muted);
            max-width: 700px;
            margin-bottom: 2.5rem;
            text-align: left;
        }
        
        /* Game quick link cards */
        .quick-link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.5rem;
        }
        
        .quick-link-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(12px);
        }
        
        .quick-link-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--electric-blue), var(--neon-cyan));
            opacity: 0;
            transition: opacity var(--transition-med);
        }
        
        .quick-link-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: var(--glass-shadow), 0 0 30px rgba(0, 240, 255, 0.1);
            transform: translateY(-4px);
        }
        
        .quick-link-card:hover::before {
            opacity: 1;
        }
        
        .quick-link-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1.4rem;
            margin-bottom: 1.25rem;
        }
        
        .quick-link-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        
        .quick-link-card p {
            font-size: 0.9rem;
            color: var(--silver-muted);
            margin-bottom: 1rem;
        }
        
        .quick-link-card .card-arrow {
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        /* Feature block */
        .feature-block {
            background: linear-gradient(145deg, rgba(13,17,30,0.9), rgba(8,9,15,0.95));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            transition: all var(--transition-med);
        }
        
        .feature-block:hover {
            border-color: rgba(0, 82, 255, 0.4);
            box-shadow: var(--glass-shadow);
        }
        
        .feature-block .feature-icon {
            font-size: 2rem;
            color: var(--electric-blue-bright);
            margin-bottom: 1rem;
        }
        
        .feature-block h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        
        .feature-block p {
            font-size: 0.95rem;
            color: var(--silver-muted);
            margin-bottom: 0;
        }
        
        /* Steps */
        .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .step-list li {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
            align-items: flex-start;
        }
        
        .step-list .step-number {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(0, 82, 255, 0.15);
            border: 1px solid var(--electric-blue);
            color: var(--neon-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
        }
        
        .step-list .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        
        .step-list .step-content p {
            font-size: 0.9rem;
            color: var(--silver-muted);
            margin-bottom: 0;
        }
        
        /* FAQ */
        .accordion-custom .accordion-item {
            background: transparent;
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 1rem;
            overflow: hidden;
        }
        
        .accordion-custom .accordion-button {
            background: rgba(13,17,30,0.6);
            color: var(--white);
            font-weight: 600;
            padding: 1.2rem 1.5rem;
            border: none;
            box-shadow: none;
        }
        
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(0, 82, 255, 0.15);
            color: var(--neon-cyan);
        }
        
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.3);
        }
        
        .accordion-custom .accordion-body {
            background: rgba(8,9,15,0.4);
            color: var(--silver);
            padding: 1.2rem 1.5rem;
        }
        
        /* Bottom CTA */
        .bottom-cta {
            position: relative;
            background: linear-gradient(135deg, rgba(0,82,255,0.15), rgba(0,240,255,0.05));
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            overflow: hidden;
        }
        
        .bottom-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(0,240,255,0.1), transparent 70%);
            pointer-events: none;
        }
        
        .bottom-cta .container-custom {
            position: relative;
            z-index: 2;
        }
        
        .bottom-cta h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        
        .bottom-cta p {
            color: var(--silver);
            margin-bottom: 1.5rem;
            max-width: 600px;
        }
        
        /* Floating Action Button (FAB) - Cyber & Neon Style */
        .fab-neon {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1050;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1rem;
            background: rgba(8, 9, 15, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            border-radius: 50px;
            color: var(--neon-cyan);
            font-size: 1.1rem;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            transition: all var(--transition-med);
            opacity: 0.6;
            animation: fabPulse 2s infinite;
            text-decoration: none;
        }
        
        .fab-neon:hover {
            opacity: 1;
            color: var(--neon-cyan);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
            transform: scale(1.08);
        }
        
        .fab-neon:active {
            transform: scale(0.95);
        }
        
        .fab-neon .fab-icon {
            font-size: 1.2rem;
        }
        
        .fab-neon .fab-text {
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
        }
        
        @keyframes fabPulse {
            0%, 100% { opacity: 0.6; box-shadow: 0 0 15px rgba(0, 240, 255, 0.5); }
            50% { opacity: 0.9; box-shadow: 0 0 20px rgba(0, 240, 255, 0.7); }
        }
        
        @media (max-width: 576px) {
            .fab-neon {
                left: 0.75rem;
                bottom: 5rem;
                padding: 0.6rem 0.8rem;
            }
            .fab-neon .fab-text {
                display: none;
            }
        }
        
        /* Footer styling is defined in shared block but we'll add minimal overrides if needed */
        .site-footer {
            background: rgba(8,9,15,0.95);
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            padding: 3.5rem 0 1.5rem;
        }
        
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 1rem;
        }
        
        .site-footer .footer-desc {
            font-size: 0.9rem;
            color: var(--silver-muted);
            line-height: 1.6;
        }
        
        .site-footer .footer-heading {
            font-weight: 700;
            color: var(--white);
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .site-footer .footer-links li {
            margin-bottom: 0.5rem;
        }
        
        .site-footer .footer-links a,
        .site-footer .footer-links li {
            color: var(--silver-muted);
            font-size: 0.9rem;
        }
        
        .site-footer .footer-links a:hover {
            color: var(--neon-cyan);
        }
        
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--glass-border);
            font-size: 0.85rem;
            color: var(--silver-muted);
        }
        
        @media (max-width: 768px) {
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        
        /* Image styling */
        .img-cover {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md);
            border: 1px solid var(--glass-border);
            transition: transform var(--transition-med);
        }
        
        .card-cover-wrapper:hover .img-cover {
            transform: scale(1.03);
        }