/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-tertiary: #0B3C25;
            --forest-dark: #062315;
            --accent-gold: #FFD700;
            --accent-gold-soft: #F0E68C;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #9DB8AD;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::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-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        a:hover,
        a:focus {
            color: var(--accent-gold-soft);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(6, 35, 21, 0.97);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

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

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.1rem;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .logo-link:hover,
        .logo-link:focus {
            color: var(--text-white);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }

        .logo-text strong {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--text-white);
            white-space: nowrap;
        }

        .logo-text span {
            font-size: 0.68rem;
            font-weight: 500;
            color: var(--accent-gold);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-desktop a {
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.88rem;
            padding: 8px 14px;
            border-radius: 24px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-desktop a:hover,
        .nav-desktop a:focus {
            color: var(--text-white);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-desktop a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

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

        .btn-text {
            background: transparent;
            border: none;
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.88rem;
            padding: 8px 16px;
            border-radius: 24px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-text:hover,
        .btn-text:focus {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-solid {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-gold), #DAA520);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.88rem;
            padding: 10px 22px;
            border-radius: 24px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
        }

        .btn-solid:hover,
        .btn-solid:focus {
            background: linear-gradient(135deg, #FFE44D, var(--accent-gold));
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.45);
            transform: translateY(-1px);
            color: var(--bg-primary);
        }

        .btn-solid:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.25);
        }

        .btn-solid-lg {
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 28px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid var(--border-gold);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: 28px;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline:hover,
        .btn-outline:focus {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-white);
            font-size: 1.3rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-menu {
            display: none;
            background: rgba(10, 46, 28, 0.98);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            flex-direction: column;
            gap: 6px;
        }

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

        .mobile-menu a {
            color: var(--text-mint);
            font-weight: 500;
            padding: 10px 14px;
            border-radius: 8px;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        /* ===== Hero ===== */
        .hero-section {
            padding: 140px 0 60px;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            min-height: 600px;
            display: flex;
            align-items: center;
            isolation: isolate;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.85) 0%, rgba(10, 46, 28, 0.95) 60%, var(--bg-primary) 100%);
            z-index: -1;
        }

        .hero-bento {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: var(--spacing-md);
            align-items: stretch;
        }

        .hero-main {
            background: rgba(18, 62, 37, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 340px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(211, 47, 47, 0.2);
            color: #FF6B6B;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            width: fit-content;
        }

        .hero-main h1 {
            font-size: 2.3rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }

        .hero-main h1 .highlight {
            color: var(--accent-gold);
        }

        .hero-subtitle {
            font-size: 1rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            max-width: 560px;
        }

        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .hero-side-blocks {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-sm);
        }

        .hero-small-block {
            background: rgba(18, 62, 37, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            transition: all var(--transition-base);
            min-height: 80px;
        }

        .hero-small-block:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .hero-small-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .hero-small-text h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0 0 2px;
        }

        .hero-small-text p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.4;
        }

        .hero-cta-bar {
            grid-column: 1 / -1;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .hero-cta-bar p {
            margin: 0;
            font-size: 0.88rem;
            color: var(--text-mint);
            font-weight: 500;
        }

        .hero-cta-bar a {
            font-weight: 700;
            color: var(--accent-gold);
            white-space: nowrap;
        }

        /* ===== Section General ===== */
        .section {
            padding: var(--spacing-xl) 0;
            position: relative;
        }

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

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

        .section-header {
            margin-bottom: var(--spacing-lg);
            max-width: 680px;
        }

        .section-header h2 {
            font-size: 1.85rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.015em;
        }

        .section-header p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-xs);
        }

        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        /* ===== Affiliate / Partner Section ===== */
        .affiliate-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .affiliate-item {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .affiliate-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), #B8860B);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .affiliate-item:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .affiliate-item:hover::before {
            opacity: 1;
        }

        .affiliate-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            margin-bottom: var(--spacing-xs);
        }

        .affiliate-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .affiliate-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Popular / Game Cards ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .game-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
        }

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

        .game-card-image {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .game-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .game-card:hover .game-card-image img {
            transform: scale(1.05);
        }

        .game-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent-red);
            color: white;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            box-shadow: 0 2px 8px rgba(211, 47, 47, 0.4);
        }

        .game-card-body {
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
        }

        .game-card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .game-card-body p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin: 0 0 var(--spacing-xs);
        }

        .game-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-xs);
            flex-wrap: wrap;
        }

        .game-rating {
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 600;
        }

        .game-players {
            color: var(--text-mint);
            font-size: 0.75rem;
        }

        /* ===== News / CMS List ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: var(--spacing-lg);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .news-item {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            transition: all var(--transition-fast);
            display: block;
        }

        .news-item:hover {
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.04);
            transform: translateX(4px);
        }

        .news-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-item p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0 0 6px;
            line-height: 1.55;
        }

        .news-item-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: 0.72rem;
            color: var(--accent-gold);
            font-weight: 500;
        }

        .news-item-meta span {
            color: var(--text-muted);
        }

        .news-recommend {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
        }

        .news-recommend h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
        }

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

        .recommend-tag {
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 18px;
            transition: all var(--transition-fast);
        }

        .recommend-tag:hover {
            background: rgba(255, 215, 0, 0.15);
            color: var(--text-white);
        }

        .news-empty {
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: var(--spacing-md);
            text-align: center;
            border: 1px dashed var(--border-subtle);
            border-radius: var(--radius-md);
        }

        /* ===== Changelog ===== */
        .changelog-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 700px;
        }

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

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

        .changelog-version {
            flex-shrink: 0;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 8px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-gold);
            white-space: nowrap;
            min-width: 60px;
            text-align: center;
        }

        .changelog-content h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .changelog-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== Topic / Collection Section ===== */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .collection-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
        }

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

        .collection-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }

        .collection-card-body {
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
        }

        .collection-card-body h3 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .collection-card-body p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.25);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: var(--spacing-sm) var(--spacing-md);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.95rem;
            text-align: left;
            transition: all var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--accent-gold);
            font-size: 0.8rem;
            transition: transform var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 var(--spacing-md);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-md) var(--spacing-sm);
        }

        .faq-answer p {
            font-size: 0.87rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            text-align: center;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
            isolation: isolate;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 46, 28, 0.88);
            z-index: -1;
        }

        .cta-inner {
            max-width: 650px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }

        .cta-inner p {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }

        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--forest-dark);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-lg) 0 var(--spacing-sm);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .logo-link {
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--spacing-xs);
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.82rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--accent-gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

        .footer-bottom a:hover {
            color: var(--accent-gold);
        }

        /* ===== FAB ===== */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1C1C1E, #0A0A0A);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.7;
            transition: all var(--transition-base);
            animation: fabFloat 3s ease-in-out infinite;
            position: fixed;
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }

        .fab-royal:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #0A0A0A;
            animation: fabBlink 2s ease-in-out infinite;
        }

        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @keyframes fabBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-bento {
                grid-template-columns: 1fr 1fr;
            }
            .hero-main h1 {
                font-size: 2rem;
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .affiliate-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                padding: 10px 0;
            }
            .logo-text strong {
                font-size: 0.82rem;
            }
            .logo-text span {
                font-size: 0.6rem;
            }
            .hero-section {
                padding: 120px 0 40px;
                min-height: auto;
            }
            .hero-bento {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .hero-main {
                min-height: auto;
                padding: var(--spacing-md);
            }
            .hero-main h1 {
                font-size: 1.6rem;
            }
            .hero-cta-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .game-grid {
                grid-template-columns: 1fr;
            }
            .collection-grid {
                grid-template-columns: 1fr;
            }
            .affiliate-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-solid {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .btn-text {
                padding: 6px 12px;
                font-size: 0.82rem;
            }
            .fab-royal {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 72px;
            }
        }

        @media (max-width: 520px) {
            .container,
            .container-wide,
            .container-narrow {
                padding: 0 12px;
            }
            .hero-main h1 {
                font-size: 1.35rem;
            }
            .hero-subtitle {
                font-size: 0.88rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .btn-solid-lg {
                font-size: 0.9rem;
                padding: 12px 24px;
            }
            .btn-outline {
                font-size: 0.85rem;
                padding: 10px 20px;
            }
            .header-actions .btn-text {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
            .header-actions .btn-solid {
                padding: 8px 14px;
                font-size: 0.75rem;
            }
            .logo-link {
                font-size: 0.9rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .game-card-image {
                height: 150px;
            }
        }

        /* Foundation overrides */
        .row {
            max-width: 100%;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
        }
        a:focus {
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.82);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-blue-glow: rgba(0, 82, 255, 0.45);
            --accent-cyan-glow: rgba(0, 240, 255, 0.4);
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #8A96A8;
            --border-cyber: rgba(0, 240, 255, 0.18);
            --border-blue: rgba(0, 82, 255, 0.3);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 26px;
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.15), 0 0 50px rgba(0, 82, 255, 0.1);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.5);
            --spacing-xs: 0.4rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --font-primary: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

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

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

        a:hover {
            color: #fff;
            text-shadow: 0 0 12px var(--accent-cyan-glow);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-wide {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        .container {
            max-width: 1080px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-cyber);
            padding: 0.65rem 0;
            transition: box-shadow 0.3s ease;
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            text-decoration: none;
            color: #fff;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 0 18px var(--accent-blue-glow);
            transition: transform 0.3s ease;
        }

        .logo-link:hover .logo-icon {
            transform: rotate(15deg) scale(1.05);
        }

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

        .logo-text strong {
            font-size: 1.02rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .logo-text span {
            font-size: 0.75rem;
            color: var(--text-silver);
            letter-spacing: 0.03em;
        }

        .nav-desktop {
            display: flex;
            gap: 0.35rem;
            align-items: center;
        }

        .nav-desktop a {
            color: var(--text-silver);
            font-size: 0.88rem;
            font-weight: 500;
            padding: 0.45rem 0.9rem;
            border-radius: 30px;
            text-decoration: none;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: #fff;
            background: rgba(0, 240, 255, 0.08);
            box-shadow: inset 0 0 15px rgba(0, 240, 255, 0.08);
        }

        .nav-desktop a.active {
            background: rgba(0, 82, 255, 0.2);
            border: 1px solid var(--border-blue);
            box-shadow: 0 0 15px var(--accent-blue-glow);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .btn-text {
            background: transparent;
            border: 1px solid transparent;
            color: var(--text-silver);
            font-size: 0.88rem;
            font-weight: 600;
            padding: 0.5rem 1.1rem;
            border-radius: 30px;
            transition: all 0.3s ease;
        }

        .btn-text:hover {
            color: #fff;
            border-color: var(--border-cyber);
        }

        .btn-solid {
            background: linear-gradient(135deg, var(--accent-blue), #0066FF);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: #fff;
            font-size: 0.88rem;
            font-weight: 700;
            padding: 0.5rem 1.4rem;
            border-radius: 30px;
            box-shadow: 0 0 20px var(--accent-blue-glow);
            transition: all 0.3s ease;
            letter-spacing: 0.02em;
        }

        .btn-solid:hover {
            box-shadow: 0 0 35px var(--accent-cyan-glow);
            transform: translateY(-2px);
            border-color: var(--accent-cyan);
        }

        .mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-cyber);
            color: #fff;
            font-size: 1.2rem;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .mobile-toggle:hover {
            background: rgba(0, 240, 255, 0.1);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 1rem 1.25rem;
            gap: 0.4rem;
            background: rgba(8, 9, 15, 0.98);
            border-top: 1px solid var(--border-cyber);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }

        .mobile-menu.open {
            max-height: 420px;
            padding: 1rem 1.25rem;
        }

        .mobile-menu a {
            color: var(--text-silver);
            font-size: 0.95rem;
            padding: 0.7rem 1rem;
            border-radius: 12px;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #fff;
            background: rgba(0, 82, 255, 0.15);
        }

        /* ========== ARTICLE HERO ========== */
        .article-hero {
            padding: 7.5rem 0 2rem;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.95) 0%, rgba(13, 17, 30, 0.8) 60%, var(--bg-deep) 100%);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.18) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 1.2rem;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--accent-cyan);
            opacity: 0.6;
        }

        .article-category-badge {
            display: inline-block;
            background: rgba(0, 82, 255, 0.2);
            border: 1px solid var(--border-blue);
            color: var(--accent-cyan);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.35rem 1rem;
            border-radius: 30px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }

        .article-hero h1 {
            font-size: clamp(1.6rem, 4vw, 2.5rem);
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 1rem 0;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .article-hero .article-summary {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 780px;
            line-height: 1.7;
            margin-bottom: 1.2rem;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding-top: 1rem;
            border-top: 1px solid var(--border-cyber);
        }

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

        .article-meta i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
        }

        /* ========== ARTICLE BODY ========== */
        .article-body-section {
            padding: 2.5rem 0 3.5rem;
            background: var(--bg-deep);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            align-items: start;
        }

        .article-main-content {
            background: var(--bg-card);
            border: 1px solid var(--border-cyber);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .article-main-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin: 2rem 0 0.8rem;
            line-height: 1.35;
            padding-bottom: 0.4rem;
            border-bottom: 2px solid var(--border-cyber);
        }

        .article-main-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin: 1.8rem 0 0.7rem;
            line-height: 1.4;
        }

        .article-main-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-silver);
            margin: 1.4rem 0 0.5rem;
        }

        .article-main-content p {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin: 0 0 1.2rem;
        }

        .article-main-content ul,
        .article-main-content ol {
            margin: 0 0 1.5rem;
            padding-left: 1.5rem;
            color: var(--text-silver);
            line-height: 1.7;
        }

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

        .article-main-content ul li::marker {
            color: var(--accent-cyan);
        }

        .article-main-content ol li::marker {
            color: var(--accent-blue);
            font-weight: 700;
        }

        .article-main-content blockquote {
            margin: 1.8rem 0;
            padding: 1.2rem 1.8rem;
            background: rgba(0, 240, 255, 0.05);
            border-left: 4px solid var(--accent-cyan);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: #fff;
            font-size: 1.1rem;
            line-height: 1.6;
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.08);
        }

        .article-main-content img {
            border-radius: var(--radius-md);
            border: 1px solid var(--border-cyber);
            margin: 1.5rem auto;
            box-shadow: var(--shadow-neon);
        }

        .article-main-content a {
            color: var(--accent-cyan);
            border-bottom: 1px dashed var(--accent-cyan);
            transition: all 0.3s ease;
        }

        .article-main-content a:hover {
            color: #fff;
            border-bottom-color: #fff;
        }

        .article-main-content strong {
            color: #fff;
            font-weight: 700;
        }

        /* Article not found */
        .article-not-found {
            text-align: center;
            padding: 4rem 2rem;
            color: var(--text-silver);
        }

        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-cyan);
            margin-bottom: 1.2rem;
            opacity: 0.6;
        }

        .article-not-found h2 {
            font-size: 1.4rem;
            margin-bottom: 0.8rem;
            color: #fff;
        }

        .article-not-found a {
            display: inline-block;
            margin-top: 1.2rem;
            background: linear-gradient(135deg, var(--accent-blue), #0066FF);
            color: #fff;
            padding: 0.7rem 1.8rem;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 0 20px var(--accent-blue-glow);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 90px;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .sidebar-widget {
            background: var(--bg-card);
            border: 1px solid var(--border-cyber);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .sidebar-widget h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 1px solid var(--border-cyber);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar-widget h4 i {
            color: var(--accent-cyan);
            font-size: 0.85rem;
        }

        .sidebar-widget a {
            display: block;
            color: var(--text-silver);
            font-size: 0.88rem;
            padding: 0.55rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .sidebar-widget a:hover {
            color: var(--accent-cyan);
            padding-left: 0.4rem;
            text-shadow: 0 0 8px var(--accent-cyan-glow);
        }

        .sidebar-cta {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.25), rgba(0, 240, 255, 0.1));
            border: 1px solid var(--border-blue);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-neon);
        }

        .sidebar-cta p {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .sidebar-cta .btn-solid {
            width: 100%;
            display: block;
            text-align: center;
        }

        /* ========== CTA SECTION ========== */
        .article-cta-section {
            padding: 3rem 0 4rem;
            background: var(--bg-deep);
        }

        .article-cta-card {
            background: linear-gradient(135deg, rgba(13, 17, 30, 0.95), rgba(0, 82, 255, 0.12));
            border: 1px solid var(--border-blue);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            text-align: center;
            box-shadow: var(--shadow-neon);
            position: relative;
            overflow: hidden;
        }

        .article-cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 320px;
            height: 180px;
            background: radial-gradient(ellipse, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-cta-card h2 {
            font-size: clamp(1.4rem, 3vw, 1.9rem);
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.7rem;
            position: relative;
            z-index: 1;
        }

        .article-cta-card p {
            font-size: 1rem;
            color: var(--text-silver);
            margin: 0 auto 1.5rem;
            max-width: 600px;
            position: relative;
            z-index: 1;
        }

        .article-cta-card .btn-solid {
            font-size: 1rem;
            padding: 0.8rem 2.5rem;
            position: relative;
            z-index: 1;
        }

        /* ========== FAQ ========== */
        .article-faq-section {
            padding: 2.5rem 0 4rem;
            background: var(--bg-navy);
        }

        .section-heading {
            text-align: left;
            margin-bottom: 2rem;
        }

        .section-heading h2 {
            font-size: clamp(1.3rem, 2.5vw, 1.8rem);
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.5rem;
            line-height: 1.3;
        }

        .section-heading p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
        }

        .faq-list {
            max-width: 780px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-cyber);
            border-radius: var(--radius-sm);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: all 0.3s ease;
            backdrop-filter: blur(8px);
        }

        .faq-item:hover {
            border-color: var(--border-blue);
            box-shadow: 0 0 15px var(--accent-blue-glow);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            gap: 1rem;
            transition: all 0.3s ease;
            user-select: none;
            -webkit-user-select: none;
        }

        .faq-question i {
            color: var(--accent-cyan);
            transition: transform 0.3s ease;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.65;
        }

        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 1.5rem 1.2rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #05060A;
            border-top: 1px solid var(--border-cyber);
            padding: 3.5rem 0 1.5rem;
            position: relative;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand .logo-link {
            margin-bottom: 1rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin: 0 0 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.88rem;
            padding: 0.3rem 0;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .footer-col a:hover {
            color: #fff;
            padding-left: 0.4rem;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-bottom span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        /* ========== FAB ========== */
        .fab-neon {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 90;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-radius: 50px;
            padding: 0.65rem 1.2rem;
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35), 0 0 40px rgba(0, 82, 255, 0.25);
            opacity: 0.65;
            transition: all 0.35s ease;
            min-width: 52px;
            min-height: 52px;
            justify-content: center;
            letter-spacing: 0.03em;
            border-image: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan)) 1;
        }

        .fab-neon:hover {
            opacity: 1;
            transform: scale(1.06);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.6), 0 0 60px rgba(0, 82, 255, 0.4);
        }

        .fab-neon:active {
            transform: scale(0.96);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.8);
        }

        .fab-neon i {
            font-size: 1.1rem;
            color: var(--accent-cyan);
            animation: neon-flicker 2.2s ease-in-out infinite;
        }

        @keyframes neon-flicker {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.55; }
            70% { opacity: 0.85; }
            85% { opacity: 0.4; }
        }

        .fab-neon .fab-label {
            white-space: nowrap;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }

            .sidebar-cta {
                grid-column: span 2;
            }

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

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

            .mobile-toggle {
                display: flex;
            }

            .mobile-menu {
                display: flex;
            }

            .header-actions .btn-text {
                display: none;
            }

            .article-hero {
                padding-top: 6.5rem;
            }

            .article-main-content {
                padding: 1.25rem;
            }

            .article-cta-card {
                padding: 1.8rem 1.2rem;
            }

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

            .sidebar-cta {
                grid-column: span 1;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }

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

            .fab-neon {
                bottom: 5rem;
                padding: 0.55rem 1rem;
                font-size: 0.78rem;
            }

            .fab-neon .fab-label {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.35rem;
            }

            .article-main-content {
                padding: 1rem;
                border-radius: var(--radius-md);
            }

            .article-main-content h2 {
                font-size: 1.25rem;
            }

            .article-main-content blockquote {
                padding: 0.9rem 1.2rem;
                font-size: 0.95rem;
            }

            .article-cta-card {
                padding: 1.5rem 1rem;
                border-radius: var(--radius-md);
            }

            .article-cta-card h2 {
                font-size: 1.3rem;
            }

            .brewdcrumb {
                font-size: 0.75rem;
            }

            .article-meta {
                gap: 0.8rem;
                font-size: 0.78rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.74);
            --bg-glass: rgba(8, 9, 15, 0.6);
            --primary-blue: #0052FF;
            --neon-cyan: #00F0FF;
            --gold: #FFD700;
            --red-alert: #FF3B30;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glass: rgba(0, 240, 255, 0.18);
            --border-soft: rgba(148, 163, 184, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.25);
            --shadow-strong: 0 0 42px rgba(0, 240, 255, 0.38);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --transition: 0.25s ease;
        }
        
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Be Vietnam Pro', 'Segoe UI', Tahoma, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        
        a:focus-visible,
        button:focus-visible,
        .focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 2px;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        
        .container-wide {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        
        .container {
            width: 100%;
            max-width: 1120px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        
        .grid-container {
            max-width: 1120px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        
        /* ========== HEADER ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            padding: 0.85rem 0;
            transition: background var(--transition), box-shadow var(--transition);
        }
        
        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.96);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-shrink: 0;
        }
        
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--primary-blue), var(--neon-cyan));
            color: #fff;
            font-size: 1.25rem;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }
        
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }
        
        .logo-text strong {
            font-size: 1.05rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
        }
        
        .logo-text span {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--neon-cyan);
            letter-spacing: 0.04em;
        }
        
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        
        .nav-desktop a {
            position: relative;
            padding: 0.55rem 1rem;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-silver);
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition);
        }
        
        .nav-desktop a:hover {
            color: #fff;
            background: rgba(0, 240, 255, 0.08);
        }
        
        .nav-desktop a.active {
            color: #fff;
            background: rgba(0, 240, 255, 0.12);
            box-shadow: inset 0 -2px 0 var(--neon-cyan);
        }
        
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        
        .btn-text {
            padding: 0.6rem 1.1rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-silver);
            border: 1px solid transparent;
            border-radius: 50px;
            transition: all var(--transition);
        }
        
        .btn-text:hover {
            color: #fff;
            border-color: var(--border-glass);
            background: rgba(255, 255, 255, 0.04);
        }
        
        .btn-solid {
            padding: 0.6rem 1.5rem;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--primary-blue), #0066FF);
            border-radius: 50px;
            box-shadow: 0 0 18px rgba(0, 82, 255, 0.4);
            transition: all var(--transition);
        }
        
        .btn-solid:hover {
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.55);
            transform: translateY(-1px);
        }
        
        .mobile-toggle {
            display: none;
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 1.2rem;
            border: 1px solid var(--border-soft);
            transition: all var(--transition);
        }
        
        .mobile-toggle:hover {
            background: rgba(0, 240, 255, 0.12);
            border-color: var(--border-glass);
        }
        
        .mobile-menu {
            display: none;
            padding: 1rem 1.25rem 1.5rem;
            background: rgba(8, 9, 15, 0.97);
            border-top: 1px solid var(--border-soft);
        }
        
        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        
        .mobile-menu a {
            padding: 0.8rem 1rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-silver);
            border-radius: 8px;
            transition: all var(--transition);
        }
        
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(0, 240, 255, 0.1);
            color: #fff;
        }
        
        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 8.5rem 0 5rem;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            isolation: isolate;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            z-index: -2;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.7) 0%, rgba(8, 9, 15, 0.82) 50%, rgba(8, 9, 15, 0.95) 100%);
        }
        
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            z-index: -1;
            background-image: 
                linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
            background-size: 42px 42px;
            pointer-events: none;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1rem;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-glass);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--neon-cyan);
            letter-spacing: 0.04em;
            margin-bottom: 1.25rem;
        }
        
        .hero-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--neon-cyan);
            box-shadow: 0 0 8px var(--neon-cyan);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }
        
        .hero-section h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.22;
            margin-bottom: 1.5rem;
            color: #fff;
            letter-spacing: -0.01em;
        }
        
        .hero-section h1 .accent {
            background: linear-gradient(135deg, var(--neon-cyan), var(--gold));
            -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-silver);
            margin-bottom: 2rem;
            max-width: 540px;
        }
        
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        
        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.95rem 2.1rem;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--primary-blue), #0066FF);
            border-radius: 50px;
            box-shadow: 0 0 26px rgba(0, 82, 255, 0.5);
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }
        
        .btn-primary-glow:hover {
            box-shadow: 0 0 45px rgba(0, 240, 255, 0.65);
            transform: translateY(-2px);
        }
        
        .btn-outline-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.95rem 1.8rem;
            font-size: 1rem;
            font-weight: 700;
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: 50px;
            transition: all var(--transition);
        }
        
        .btn-outline-glow:hover {
            background: rgba(0, 240, 255, 0.12);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.35);
            transform: translateY(-2px);
        }
        
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        
        .trust-item {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-silver);
        }
        
        .trust-item i {
            color: var(--neon-cyan);
            font-size: 0.9rem;
        }
        
        .hero-visual-panel {
            position: relative;
            background: rgba(13, 17, 30, 0.65);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
        }
        
        .hero-visual-panel img {
            border-radius: var(--radius-md);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        
        .float-card {
            position: absolute;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 0.9rem 1.1rem;
            box-shadow: var(--shadow-card);
        }
        
        .float-card-top {
            top: 1rem;
            left: -0.8rem;
        }
        
        .float-card-bottom {
            bottom: 1.2rem;
            right: -0.6rem;
        }
        
        .float-card .label {
            display: block;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--text-muted);
            margin-bottom: 0.25rem;
        }
        
        .float-card .value {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--neon-cyan);
        }
        
        .float-card .symbols-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.35rem;
            margin-top: 0.4rem;
        }
        
        .float-card .symbols-grid span {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-silver);
            background: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            padding: 0.3rem 0.4rem;
            text-align: center;
        }
        
        /* ========== SECTION BASE ========== */
        .section {
            padding: 4.5rem 0;
            position: relative;
        }
        
        .section-alt {
            background: var(--bg-navy);
        }
        
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--neon-cyan);
            margin-bottom: 0.9rem;
        }
        
        .section-label::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--neon-cyan);
            border-radius: 1px;
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
            text-align: left;
        }
        
        .section-subtitle {
            font-size: 1.05rem;
            line-height: 1.7;
            color: var(--text-silver);
            margin-bottom: 2rem;
            text-align: left;
            max-width: 720px;
        }
        
        /* ========== PAIN POINTS ========== */
        .pain-points-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            list-style: none;
        }
        
        .pain-point {
            display: flex;
            align-items: flex-start;
            gap: 1.1rem;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1.3rem 1.4rem;
            transition: all var(--transition);
        }
        
        .pain-point:hover {
            border-color: var(--border-glass);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.12);
        }
        
        .pain-point .icon-circle {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 59, 48, 0.12);
            border: 1px solid rgba(255, 59, 48, 0.25);
            color: var(--red-alert);
            font-size: 1.2rem;
        }
        
        .pain-point-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.3rem;
        }
        
        .pain-point-content p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        
        /* ========== SOLUTION SECTION ========== */
        .solution-panel {
            display: flex;
            align-items: center;
            gap: 2.5rem;
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 2.2rem;
            box-shadow: var(--shadow-card);
        }
        
        .solution-panel .text-col {
            flex: 1.2;
        }
        
        .solution-panel .text-col h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.35;
        }
        
        .solution-panel .text-col p {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 1.2rem;
        }
        
        .solution-panel .text-col .btn-primary-glow {
            padding: 0.8rem 1.8rem;
            font-size: 0.95rem;
        }
        
        .solution-panel .img-col {
            flex: 1;
            position: relative;
        }
        
        .solution-panel .img-col img {
            border-radius: var(--radius-md);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.15);
        }
        
        /* ========== STEPS ========== */
        .steps-timeline {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            position: relative;
            list-style: none;
        }
        
        .steps-timeline::before {
            content: '';
            position: absolute;
            left: 29px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary-blue), var(--neon-cyan));
            opacity: 0.35;
            border-radius: 1px;
        }
        
        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 1.25rem;
            position: relative;
            z-index: 1;
        }
        
        .step-number {
            flex-shrink: 0;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--primary-blue), #0066FF);
            box-shadow: 0 0 20px rgba(0, 82, 255, 0.4);
            border: 2px solid rgba(0, 240, 255, 0.3);
        }
        
        .step-body {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.5rem;
            flex: 1;
            transition: all var(--transition);
        }
        
        .step-body:hover {
            border-color: var(--border-glass);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.12);
        }
        
        .step-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.3rem;
        }
        
        .step-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        
        .step-body .step-method {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--gold);
            margin-top: 0.55rem;
        }
        
        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.1rem;
        }
        
        .feature-item {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1.6rem 1.5rem;
            transition: all var(--transition);
        }
        
        .feature-item:hover {
            border-color: var(--border-glass);
            box-shadow: 0 0 26px rgba(0, 240, 255, 0.15);
            transform: translateY(-2px);
        }
        
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--border-glass);
            margin-bottom: 1rem;
        }
        
        .feature-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.45rem;
        }
        
        .feature-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        
        /* ========== STATS ========== */
        .stats-band {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.08), rgba(0, 240, 255, 0.04));
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }
        
        .stat-block {
            text-align: left;
        }
        
        .stat-block .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--neon-cyan);
            line-height: 1.1;
            margin-bottom: 0.3rem;
        }
        
        .stat-block .stat-label {
            font-size: 0.88rem;
            color: var(--text-silver);
            font-weight: 500;
        }
        
        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        
        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        
        .faq-item:hover {
            border-color: var(--border-glass);
        }
        
        .faq-item.open {
            border-color: var(--border-glass);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
        }
        
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.2rem 1.4rem;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            transition: color var(--transition);
        }
        
        .faq-question:hover {
            color: var(--neon-cyan);
        }
        
        .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--border-glass);
            color: var(--neon-cyan);
            font-size: 0.75rem;
            transition: transform var(--transition);
        }
        
        .faq-item.open .faq-question .faq-toggle-icon {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            display: none;
            padding: 0 1.4rem 1.25rem;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        
        .faq-item.open .faq-answer {
            display: block;
        }
        
        /* ========== CTA ========== */
        .cta-section {
            padding: 5rem 0;
            text-align: center;
        }
        
        .cta-panel {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.14), rgba(0, 240, 255, 0.06));
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-xl);
            padding: 3.5rem 2.5rem;
            position: relative;
            overflow: hidden;
        }
        
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.08);
            filter: blur(50px);
            pointer-events: none;
        }
        
        .cta-panel h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
            line-height: 1.3;
        }
        
        .cta-panel p {
            font-size: 1.05rem;
            color: var(--text-silver);
            margin-bottom: 2rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        
        .cta-panel .btn-primary-glow {
            padding: 1rem 2.4rem;
            font-size: 1.05rem;
            margin-bottom: 1.5rem;
        }
        
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem;
        }
        
        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.45rem 1.1rem;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-silver);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-soft);
            border-radius: 50px;
            transition: all var(--transition);
        }
        
        .payment-badge:hover {
            border-color: var(--border-glass);
            color: #fff;
        }
        
        .payment-badge i {
            color: var(--neon-cyan);
        }
        
        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-navy);
            border-top: 1px solid var(--border-glass);
            padding: 3.5rem 0 0;
            margin-top: 1rem;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
        }
        
        .footer-brand .logo-link {
            margin-bottom: 1rem;
        }
        
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 340px;
        }
        
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 0.32rem 0;
            transition: color var(--transition);
        }
        
        .footer-col a:hover {
            color: var(--neon-cyan);
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1rem;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        
        /* ========== FAB ========== */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            display: flex;
            align-items: center;
            gap: 0.65rem;
            background: rgba(8, 9, 15, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            border-radius: 50px;
            padding: 0.8rem 1.2rem;
            color: #fff;
            font-size: 1.1rem;
            background-clip: padding-box;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            opacity: 0.65;
            animation: fab-breathe 3s ease-in-out infinite;
            transition: all var(--transition);
        }
        
        .fab-support::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50px;
            background: linear-gradient(135deg, #CCFF00, var(--primary-blue));
            z-index: -1;
            opacity: 0.7;
        }
        
        .fab-support .fab-label {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        
        .fab-support .fab-notification {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--red-alert);
            box-shadow: 0 0 8px var(--red-alert);
            animation: pulse-dot 1.4s ease-in-out infinite;
        }
        
        @keyframes fab-breathe {
            0%, 100% { opacity: 0.65; }
            50% { opacity: 1; }
        }
        
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.06);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.65);
        }
        
        .fab-support:active {
            transform: scale(0.95);
        }
        
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-section h1 {
                font-size: 2.2rem;
            }
            
            .hero-section {
                padding: 7.5rem 0 4rem;
            }
            
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 2rem;
            }
            
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            
            .header-actions {
                margin-left: auto;
            }
            
            .header-actions .btn-text {
                padding: 0.5rem 0.8rem;
            }
            
            .header-actions .btn-solid {
                padding: 0.5rem 1.1rem;
            }
            
            .hero-section h1 {
                font-size: 1.8rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .solution-panel {
                flex-direction: column;
                gap: 1.8rem;
                padding: 1.5rem;
            }
            
            .solution-panel .img-col {
                order: -1;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                padding: 1.8rem 1.5rem;
            }
            
            .stat-block .stat-number {
                font-size: 1.7rem;
            }
            
            .section-title {
                font-size: 1.6rem;
            }
            
            .section {
                padding: 3rem 0;
            }
            
            .float-card-top {
                left: 0.5rem;
                top: 0.5rem;
            }
            
            .float-card-bottom {
                right: 0.5rem;
                bottom: 0.5rem;
            }
            
            .fab-support {
                left: 0.7rem;
                bottom: 4.5rem;
                padding: 0.65rem 1rem;
            }
            
            .fab-support .fab-label {
                display: none;
            }
            
            .cta-panel {
                padding: 2.5rem 1.5rem;
            }
            
            .cta-panel h2 {
                font-size: 1.6rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.8rem;
            }
            
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        
        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            
            .container-wide,
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            
            .grid-container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            
            .header-inner {
                gap: 0.5rem;
            }
            
            .logo-icon {
                width: 38px;
                height: 38px;
                border-radius: 10px;
                font-size: 1rem;
            }
            
            .logo-text strong {
                font-size: 0.88rem;
            }
            
            .logo-text span {
                font-size: 0.65rem;
            }
            
            .header-actions .btn-text {
                padding: 0.45rem 0.6rem;
                font-size: 0.8rem;
            }
            
            .header-actions .btn-solid {
                padding: 0.45rem 0.85rem;
                font-size: 0.8rem;
            }
            
            .hero-section {
                padding: 6.5rem 0 3rem;
            }
            
            .hero-section h1 {
                font-size: 1.55rem;
            }
            
            .hero-subtitle {
                font-size: 0.92rem;
            }
            
            .btn-primary-glow,
            .btn-outline-glow {
                padding: 0.8rem 1.4rem;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            
            .hero-cta-group {
                flex-direction: column;
                gap: 0.7rem;
            }
            
            .hero-trust {
                gap: 0.7rem;
            }
            
            .trust-item {
                font-size: 0.72rem;
            }
            
            .section-title {
                font-size: 1.4rem;
            }
            
            .section-subtitle {
                font-size: 0.92rem;
            }
            
            .pain-point {
                padding: 1rem 1.1rem;
                gap: 0.8rem;
            }
            
            .pain-point .icon-circle {
                width: 40px;
                height: 40px;
                font-size: 1rem;
                border-radius: 10px;
            }
            
            .pain-point-content h3 {
                font-size: 0.95rem;
            }
            
            .pain-point-content p {
                font-size: 0.82rem;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .step-number {
                width: 48px;
                height: 48px;
                font-size: 1rem;
            }
            
            .step-body {
                padding: 1rem 1.1rem;
            }
            
            .step-body h3 {
                font-size: 0.95rem;
            }
            
            .step-body p {
                font-size: 0.82rem;
            }
            
            .stats-band {
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
                padding: 1.5rem 1.2rem;
            }
            
            .stat-block .stat-number {
                font-size: 1.5rem;
            }
            
            .stat-block .stat-label {
                font-size: 0.78rem;
            }
            
            .faq-question {
                font-size: 0.9rem;
                padding: 1rem 1.1rem;
            }
            
            .faq-answer {
                font-size: 0.85rem;
                padding: 0 1.1rem 1rem;
            }
            
            .cta-panel h2 {
                font-size: 1.4rem;
            }
            
            .cta-panel p {
                font-size: 0.92rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }

/* roulang page: category2 */
:root{
            --color-bg:#08090F;
            --color-bg-2:#0D111E;
            --color-accent:#0052FF;
            --color-accent-2:#00F0FF;
            --color-text:#FFFFFF;
            --color-muted:#CBD5E1;
            --color-border:rgba(0,240,255,0.18);
            --color-border-strong:rgba(0,240,255,0.4);
            --radius-sm:8px;
            --radius-md:16px;
            --radius-lg:24px;
            --radius-xl:32px;
            --shadow-glass:0 16px 40px rgba(0,0,0,0.35);
            --shadow-glow:0 0 20px rgba(0,240,255,0.35);
            --font-body:'Be Vietnam Pro', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }
        *{box-sizing:border-box; -webkit-tap-highlight-color:transparent;}
        html{scroll-behavior:smooth;}
        body{
            margin:0;
            font-family:var(--font-body);
            background-color:var(--color-bg);
            color:var(--color-text);
            line-height:1.6;
            font-size:16px;
            -webkit-font-smoothing:antialiased;
        }
        img{max-width:100%; display:block; height:auto;}
        a{text-decoration:none; color:var(--color-accent-2); transition:color .25s ease;}
        a:hover{color:var(--color-accent);}
        h1,h2,h3,h4{line-height:1.25; margin-top:0; font-weight:700; color:var(--color-text); letter-spacing:-0.01em;}
        p{margin-top:0; color:var(--color-muted);}
        .container{max-width:1200px; margin:0 auto; padding:0 24px;}
        .container-wide{max-width:1360px; margin:0 auto; padding:0 24px;}
        .grid-container{max-width:1200px; margin:0 auto; padding:0 24px;}
        .grid-x{display:flex; flex-wrap:wrap;}
        .grid-margin-x{margin-left:-12px; margin-right:-12px;}
        .grid-margin-x > .cell{padding-left:12px; padding-right:12px;}
        .cell{flex:1 1 auto;}
        .medium-6{flex:0 0 50%; max-width:50%;}
        .medium-7{flex:0 0 58.33333%; max-width:58.33333%;}
        .medium-5{flex:0 0 41.66667%; max-width:41.66667%;}
        .medium-4{flex:0 0 33.33333%; max-width:33.33333%;}
        .medium-8{flex:0 0 66.66667%; max-width:66.66667%;}
        .align-middle{align-items:center;}
        .align-center{justify-content:center;}
        .text-center{text-align:center;}
        .align-left{text-align:left;}
        .mt-0{margin-top:0;}
        .mb-0{margin-bottom:0;}

        /* Header */
        .site-header{
            position:fixed;
            top:0; left:0; right:0;
            z-index:60;
            background:rgba(8,9,15,0.82);
            backdrop-filter:blur(18px);
            -webkit-backdrop-filter:blur(18px);
            border-bottom:1px solid rgba(0,240,255,0.15);
            transition:box-shadow .3s ease;
        }
        .site-header.scrolled{box-shadow:0 10px 30px rgba(0,0,0,0.35);}
        .header-inner{display:flex; align-items:center; justify-content:space-between; min-height:76px; gap:24px;}
        .logo-link{display:flex; align-items:center; gap:12px; color:#fff; flex-shrink:0;}
        .logo-link:hover{color:#fff;}
        .logo-icon{
            width:46px; height:46px;
            display:flex; align-items:center; justify-content:center;
            background:linear-gradient(135deg,var(--color-accent),var(--color-accent-2));
            border-radius:14px;
            font-size:1.4rem;
            color:#fff;
            box-shadow:0 0 18px rgba(0,82,255,0.4);
        }
        .logo-text{display:flex; flex-direction:column; line-height:1.2;}
        .logo-text strong{font-size:1.1rem; font-weight:800; color:#fff; letter-spacing:-0.01em; white-space:nowrap;}
        .logo-text span{font-size:0.85rem; color:var(--color-muted); font-weight:500; white-space:nowrap;}
        .nav-desktop{display:flex; align-items:center; gap:28px; margin-left:auto;}
        .nav-desktop a{
            color:var(--color-muted);
            font-weight:500; font-size:0.95rem;
            position:relative; padding:6px 0;
            transition:color .25s ease;
        }
        .nav-desktop a::after{
            content:'';
            position:absolute; left:0; right:0; bottom:-4px;
            height:2px;
            background:linear-gradient(90deg,var(--color-accent),var(--color-accent-2));
            border-radius:2px;
            transform:scaleX(0);
            transform-origin:left;
            transition:transform .25s ease;
        }
        .nav-desktop a:hover{color:#fff;}
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after{transform:scaleX(1);}
        .nav-desktop a.active{color:#fff; font-weight:700;}
        .header-actions{display:flex; gap:12px; align-items:center; margin-left:auto;}
        .btn-text{
            background:none;
            border:1px solid rgba(0,240,255,0.3);
            color:#fff;
            padding:10px 20px;
            border-radius:999px;
            cursor:pointer;
            font-weight:600;
            font-size:0.9rem;
            transition:border-color .25s ease, background .25s ease, color .25s ease;
        }
        .btn-text:hover{border-color:var(--color-accent-2); background:rgba(0,240,255,0.08); color:#fff;}
        .btn-solid{
            background:linear-gradient(135deg,var(--color-accent),var(--color-accent-2));
            color:#fff; border:none;
            padding:10px 22px;
            border-radius:999px;
            cursor:pointer;
            font-weight:700;
            font-size:0.9rem;
            box-shadow:0 8px 22px rgba(0,82,255,0.35);
            transition:transform .2s ease, box-shadow .25s ease;
        }
        .btn-solid:hover{transform:translateY(-2px); box-shadow:0 12px 28px rgba(0,82,255,0.5); color:#fff;}
        .btn-solid:active{transform:translateY(0) scale(0.98);}
        .mobile-toggle{
            display:none;
            background:none;
            border:1px solid rgba(0,240,255,0.3);
            color:#fff;
            width:42px; height:42px;
            align-items:center; justify-content:center;
            border-radius:12px;
            cursor:pointer;
            font-size:1.2rem;
            transition:background .25s ease;
        }
        .mobile-toggle:hover{background:rgba(0,240,255,0.08);}
        .mobile-menu{
            display:none;
            flex-direction:column;
            gap:0;
            background:rgba(8,9,15,0.96);
            backdrop-filter:blur(22px);
            -webkit-backdrop-filter:blur(22px);
            padding:12px 24px 24px;
            border-top:1px solid var(--color-border);
        }
        .mobile-menu a{
            color:var(--color-muted);
            padding:14px 0;
            border-bottom:1px solid rgba(0,240,255,0.1);
            font-weight:500;
            font-size:0.95rem;
        }
        .mobile-menu a.active{color:#fff; font-weight:700;}
        .mobile-menu a:last-child{border-bottom:none;}
        .mobile-menu.open{display:flex;}

        /* Hero */
        .hero{
            min-height:100vh;
            display:flex; align-items:center;
            padding:130px 0 80px;
            background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            position:relative;
            overflow:hidden;
        }
        .hero::before{
            content:'';
            position:absolute; inset:0;
            background:linear-gradient(135deg, rgba(8,9,15,0.92), rgba(13,17,30,0.78));
            pointer-events:none;
        }
        .hero::after{
            content:'';
            position:absolute; inset:0;
            background-image:radial-gradient(circle at 20% 30%, rgba(0,240,255,0.15), transparent 35%),
                             radial-gradient(circle at 80% 70%, rgba(0,82,255,0.22), transparent 40%);
            pointer-events:none;
        }
        .hero .grid-container{position:relative; z-index:2; width:100%;}
        .eyebrow{
            display:inline-flex; align-items:center; gap:8px;
            padding:6px 14px;
            border-radius:999px;
            background:rgba(0,240,255,0.1);
            border:1px solid rgba(0,240,255,0.35);
            color:var(--color-accent-2);
            font-weight:700; font-size:0.85rem;
            letter-spacing:0.04em;
            text-transform:uppercase;
            margin-bottom:20px;
        }
        .eyebrow .live-dot{
            width:8px; height:8px; border-radius:50%;
            background:#00F0FF;
            box-shadow:0 0 8px #00F0FF;
            animation:blink-dot 1.4s infinite;
        }
        @keyframes blink-dot{
            0%,100%{opacity:1;}
            50%{opacity:0.3;}
        }
        .hero h1{
            font-size:clamp(2.4rem, 5vw, 4.2rem);
            font-weight:800;
            max-width:700px;
            margin-bottom:20px;
            background:linear-gradient(135deg,#FFFFFF 0%, #D1F2EB 100%);
            -webkit-background-clip:text;
            background-clip:text;
            color:transparent;
        }
        .hero-sub{
            font-size:1.15rem;
            max-width:640px;
            color:var(--color-muted);
            margin-bottom:32px;
        }
        .countdown-panel{
            background:rgba(13,17,30,0.6);
            border:1px solid var(--color-border);
            border-radius:var(--radius-lg);
            padding:20px 24px;
            backdrop-filter:blur(14px);
            -webkit-backdrop-filter:blur(14px);
            max-width:520px;
        }
        .countdown-label{
            display:flex; align-items:center; gap:8px;
            color:var(--color-muted);
            font-weight:600; font-size:0.95rem;
            margin-bottom:12px;
        }
        .countdown-label i{color:var(--color-accent-2);}
        .countdown-timer{
            display:flex; gap:12px;
            font-weight:800; font-size:2rem;
            color:#fff;
            align-items:center;
        }
        .time-block{
            background:rgba(0,240,255,0.08);
            border:1px solid var(--color-border-strong);
            border-radius:var(--radius-md);
            padding:8px 16px;
            min-width:64px;
            text-align:center;
            line-height:1;
        }
        .time-block small{display:block; font-size:0.75rem; color:var(--color-muted); font-weight:500; margin-top:6px;}
        .countdown-sep{font-size:1.5rem; color:var(--color-accent-2);}
        .reminder-form{display:flex; gap:12px; margin-top:20px;}
        .reminder-form input{
            flex:1;
            background:rgba(255,255,255,0.06);
            border:1px solid var(--color-border);
            border-radius:999px;
            padding:12px 18px;
            color:#fff;
            outline:none;
            font-size:0.95rem;
        }
        .reminder-form input::placeholder{color:rgba(203,213,225,0.6);}
        .reminder-form input:focus{
            border-color:var(--color-accent-2);
            box-shadow:0 0 0 3px rgba(0,240,255,0.15);
        }
        .reminder-form button{
            background:linear-gradient(135deg,var(--color-accent),var(--color-accent-2));
            border:none; color:#fff;
            padding:12px 22px;
            border-radius:999px;
            font-weight:700;
            cursor:pointer;
            box-shadow:0 8px 22px rgba(0,82,255,0.35);
            transition:transform .2s ease, box-shadow .25s ease;
            white-space:nowrap;
        }
        .reminder-form button:hover{transform:translateY(-2px); box-shadow:0 12px 28px rgba(0,82,255,0.5);}
        .reminder-msg{display:block; margin-top:10px; font-size:0.9rem; color:var(--color-accent-2); min-height:20px;}
        .live-card{
            background:rgba(13,17,30,0.72);
            backdrop-filter:blur(18px);
            -webkit-backdrop-filter:blur(18px);
            border:1px solid rgba(0,240,255,0.25);
            border-radius:var(--radius-lg);
            overflow:hidden;
            box-shadow:var(--shadow-glass);
        }
        .live-cover{position:relative;}
        .live-cover img{width:100%; height:260px; object-fit:cover;}
        .live-cover::after{
            content:'';
            position:absolute; inset:0;
            background:linear-gradient(to top, rgba(8,9,15,0.8), transparent 45%);
            pointer-events:none;
        }
        .live-badge{
            position:absolute; top:16px; left:16px; z-index:2;
            background:#D32F2F;
            color:#fff;
            font-weight:800;
            font-size:0.8rem;
            letter-spacing:0.05em;
            padding:6px 14px;
            border-radius:999px;
            display:inline-flex; align-items:center; gap:6px;
            box-shadow:0 4px 14px rgba(211,47,47,0.4);
        }
        .live-badge i{font-size:0.7rem;}
        .live-info{padding:20px 24px 24px;}
        .live-info h3{margin-bottom:4px; font-size:1.25rem;}
        .live-info p{font-size:0.95rem; margin-bottom:16px;}
        .live-stats{
            display:flex; gap:16px;
            justify-content:space-between;
            padding-top:16px;
            border-top:1px solid var(--color-border);
        }
        .live-stat{text-align:center; flex:1;}
        .live-stat strong{display:block; font-size:1.3rem; color:#fff; font-weight:800;}
        .live-stat span{font-size:0.8rem; color:var(--color-muted);}

        /* Sections */
        .section{padding:84px 0;}
        .section.alt{background:var(--color-bg-2);}
        .section-label{
            display:inline-flex; align-items:center; gap:8px;
            padding:6px 14px;
            border-radius:999px;
            background:rgba(0,82,255,0.12);
            border:1px solid rgba(0,82,255,0.35);
            color:var(--color-accent-2);
            font-weight:700; font-size:0.85rem;
            letter-spacing:0.04em;
            text-transform:uppercase;
            margin-bottom:20px;
        }
        .section-heading{
            font-size:clamp(1.8rem, 3.4vw, 2.8rem);
            max-width:780px;
            margin-bottom:20px;
            color:#fff;
        }
        .section-sub{
            font-size:1.05rem;
            max-width:680px;
            color:var(--color-muted);
            margin-bottom:32px;
        }

        .pain-list{list-style:none; margin:0; padding:0;}
        .pain-list li{
            display:flex; align-items:flex-start; gap:14px;
            padding:16px 0;
            border-bottom:1px solid rgba(0,240,255,0.1);
        }
        .pain-list li:first-child{padding-top:0;}
        .pain-list li:last-child{border-bottom:none; padding-bottom:0;}
        .pain-list .icon-circle{
            flex-shrink:0;
            width:38px; height:38px;
            border-radius:12px;
            background:rgba(211,47,47,0.12);
            border:1px solid rgba(211,47,47,0.4);
            display:flex; align-items:center; justify-content:center;
            color:#ff6b6b;
            font-size:1rem;
        }
        .pain-list h4{margin-bottom:4px; font-size:1.05rem; color:#fff;}
        .pain-list p{margin:0; font-size:0.95rem;}

        .image-panel{
            background:rgba(13,17,30,0.6);
            border:1px solid var(--color-border);
            border-radius:var(--radius-lg);
            overflow:hidden;
            box-shadow:var(--shadow-glass);
            backdrop-filter:blur(14px);
        }
        .image-panel img{width:100%; height:280px; object-fit:cover;}
        .image-panel .caption{padding:16px 20px; font-size:0.9rem; color:var(--color-muted); border-top:1px solid var(--color-border);}

        .timeline{position:relative; padding-left:36px; margin-top:32px; list-style:none;}
        .timeline::before{
            content:'';
            position:absolute; left:13px; top:8px; bottom:8px;
            width:2px;
            background:linear-gradient(180deg, var(--color-accent), var(--color-accent-2));
            opacity:0.4;
            border-radius:1px;
        }
        .timeline-item{position:relative; padding-bottom:28px;}
        .timeline-item:last-child{padding-bottom:0;}
        .timeline-item::before{
            content:attr(data-step);
            position:absolute; left:-36px; top:0;
            width:28px; height:28px;
            border-radius:50%;
            background:linear-gradient(135deg,var(--color-accent),var(--color-accent-2));
            color:#fff;
            font-weight:700; font-size:0.85rem;
            display:flex; align-items:center; justify-content:center;
            box-shadow:0 0 0 4px rgba(0,82,255,0.15);
            z-index:1;
        }
        .timeline-item h3{margin-bottom:6px; font-size:1.25rem; color:#fff;}
        .timeline-item p{margin:0; font-size:0.95rem; max-width:760px;}

        .result-benefits{list-style:none; margin:0; padding:0;}
        .result-benefits li{
            display:flex; align-items:flex-start; gap:14px;
            padding:12px 0;
            color:var(--color-muted);
            font-size:0.98rem;
        }
        .result-benefits li i{color:var(--color-accent-2); margin-top:2px; font-size:1.1rem;}
        .result-benefits li strong{color:#fff;}

        .stats-band{
            display:flex; gap:24px; flex-wrap:wrap;
            background:rgba(13,17,30,0.7);
            border:1px solid var(--color-border);
            border-radius:var(--radius-lg);
            padding:28px 24px;
            margin-top:32px;
            backdrop-filter:blur(12px);
        }
        .stat-item{flex:1 1 140px; min-width:140px;}
        .stat-number{
            font-size:2.2rem; font-weight:800;
            background:linear-gradient(135deg,var(--color-accent-2),#fff);
            -webkit-background-clip:text;
            background-clip:text;
            color:transparent;
            line-height:1.1;
        }
        .stat-label{color:var(--color-muted); font-size:0.9rem; margin-top:6px;}

        .testimonial-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:24px;
            margin-top:32px;
        }
        .testimonial-card{
            background:rgba(13,17,30,0.6);
            border:1px solid var(--color-border);
            border-radius:var(--radius-lg);
            padding:28px;
            backdrop-filter:blur(10px);
            transition:border-color .25s ease, transform .25s ease;
        }
        .testimonial-card:hover{border-color:var(--color-border-strong); transform:translateY(-4px);}
        .quote-icon{
            font-size:1.8rem; color:var(--color-accent-2);
            margin-bottom:12px;
            opacity:0.8;
        }
        .testimonial-card blockquote{
            margin:0; color:var(--color-muted);
            font-size:1rem; line-height:1.7;
            font-style:italic;
        }
        .testimonial-card .user{
            display:flex; align-items:center; gap:12px;
            margin-top:20px;
        }
        .user-avatar{
            width:40px; height:40px; border-radius:50%;
            background:linear-gradient(135deg,var(--color-accent),var(--color-accent-2));
            display:flex; align-items:center; justify-content:center;
            font-weight:700; color:#fff;
            font-size:0.95rem;
        }
        .user-meta strong{display:block; color:#fff; font-size:0.9rem;}
        .user-meta span{color:var(--color-muted); font-size:0.8rem;}

        .faq-list{max-width:820px; margin-top:32px;}
        .faq-item{border-bottom:1px solid rgba(0,240,255,0.15);}
        .faq-item:first-child{border-top:1px solid rgba(0,240,255,0.15);}
        .faq-question{
            width:100%; text-align:left;
            background:none; border:none;
            color:#fff; font-size:1.05rem; font-weight:600;
            padding:18px 0;
            cursor:pointer;
            display:flex; justify-content:space-between; align-items:center;
            gap:16px;
            outline:none;
        }
        .faq-question .fa-chevron-down{
            color:var(--color-accent-2);
            transition:transform .3s ease;
            font-size:0.9rem;
        }
        .faq-item.open .fa-chevron-down{transform:rotate(180deg);}
        .faq-answer{max-height:0; overflow:hidden; transition:max-height .35s ease;}
        .faq-item.open .faq-answer{max-height:300px;}
        .faq-answer p{padding:0 0 18px; margin:0; color:var(--color-muted); font-size:0.95rem; line-height:1.7;}

        .cta-panel{
            background:linear-gradient(135deg, rgba(0,82,255,0.25), rgba(13,17,30,0.8));
            border:1px solid rgba(0,240,255,0.4);
            border-radius:var(--radius-xl);
            padding:56px 32px;
            text-align:center;
            position:relative;
            overflow:hidden;
        }
        .cta-panel::before{
            content:'';
            position:absolute; inset:0;
            background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity:0.15;
            pointer-events:none;
        }
        .cta-panel .grid-container{position:relative; z-index:2;}
        .cta-panel h2{color:#fff; font-size:clamp(1.8rem, 3vw, 2.6rem); max-width:700px; margin-left:auto; margin-right:auto; margin-bottom:16px;}
        .cta-panel p{max-width:580px; margin:0 auto 24px;}
        .cta-actions{display:flex; gap:14px; justify-content:center; flex-wrap:wrap;}

        .footer-link{color:var(--color-muted);}
        .footer-link:hover{color:var(--color-accent-2);}

        /* FAB */
        .fab-left{
            position:fixed; left:16px; bottom:96px; z-index:50;
            width:58px; height:58px;
            display:flex; align-items:center; justify-content:center;
            border-radius:999px;
            background:linear-gradient(135deg, #0052FF, #00F0FF);
            border:none;
            box-shadow:0 0 15px rgba(0,240,255,0.5);
            cursor:pointer;
            opacity:0.6;
            transition:opacity .3s ease, transform .3s ease, box-shadow .3s ease;
            padding:0;
        }
        .fab-left i{font-size:1.5rem; color:#fff; pointer-events:none;}
        .fab-left:hover{opacity:1; transform:scale(1.1); box-shadow:0 0 25px rgba(0,240,255,0.8);}
        .fab-left:active{transform:scale(0.95);}
        .fab-notify{
            position:absolute; top:6px; right:6px;
            width:13px; height:13px; border-radius:50%;
            background:#FF007F;
            border:2px solid #08090F;
            animation:blink-dot 1.2s infinite;
            z-index:3;
        }

        /* Footer */
        .site-footer{
            background:rgba(8,9,15,0.9);
            border-top:1px solid rgba(0,240,255,0.15);
            padding:64px 0 24px;
            margin-top:0;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.5fr 1fr 1fr 1fr;
            gap:40px;
        }
        .footer-brand .logo-link{margin-bottom:16px;}
        .footer-brand p{
            color:var(--color-muted);
            font-size:0.95rem;
            max-width:350px;
            line-height:1.7;
        }
        .footer-col h4{
            font-size:1rem;
            margin-bottom:16px;
            color:#fff;
            font-weight:700;
        }
        .footer-col a{
            display:block;
            color:var(--color-muted);
            padding:6px 0;
            font-size:0.9rem;
            transition:color .25s ease;
        }
        .footer-col a:hover{color:var(--color-accent-2);}
        .footer-bottom{
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:16px;
            flex-wrap:wrap;
            margin-top:40px;
            padding-top:24px;
            border-top:1px solid rgba(0,240,255,0.12);
            color:var(--color-muted);
            font-size:0.85rem;
        }

        @media (max-width:1024px){
            .nav-desktop{display:none;}
            .mobile-toggle{display:flex;}
            .header-actions{margin-left:auto;}
            .logo-text strong{font-size:0.98rem;}
            .logo-text span{display:none;}
            .mobile-menu{display:none;}
            .mobile-menu.open{display:flex;}
            .hero{padding:100px 0 60px;}
            .medium-7, .medium-5, .medium-4, .medium-8{flex:0 0 100%; max-width:100%;}
            .testimonial-grid{grid-template-columns:1fr;}
            .stats-band{justify-content:space-between;}
            .footer-grid{grid-template-columns:1fr 1fr;}
        }
        @media (max-width:768px){
            .section{padding:56px 0;}
            .hero h1{font-size:2.2rem;}
            .countdown-timer{font-size:1.5rem;}
            .time-block{min-width:54px; padding:6px 10px;}
            .reminder-form{flex-direction:column;}
            .footer-grid{grid-template-columns:1fr;}
            .footer-bottom{flex-direction:column; align-items:flex-start;}
            .cta-panel{padding:40px 20px;}
            .header-inner{min-height:64px;}
        }
        @media (max-width:520px){
            .hero h1{font-size:2rem;}
            .header-actions{gap:6px;}
            .btn-text{padding:8px 14px; font-size:0.85rem;}
            .btn-solid{padding:8px 16px; font-size:0.85rem;}
            .logo-icon{width:40px; height:40px; font-size:1.1rem; border-radius:11px;}
            .countdown-timer{gap:8px;}
            .time-block{min-width:48px; padding:5px 8px;}
            .live-cover img{height:200px;}
            .stats-band{flex-direction:column; gap:16px;}
        }

/* roulang page: category3 */
:root {
            --ng-bg-primary: #0A1628;
            --ng-bg-secondary: #0D2137;
            --ng-bg-tertiary: #122A45;
            --ng-card-glass: rgba(18, 42, 69, 0.62);
            --ng-card-border: rgba(255, 255, 255, 0.10);
            --ng-card-border-hover: rgba(255, 255, 255, 0.22);
            --ng-accent-gold: #FFD700;
            --ng-accent-gold-soft: #FFE566;
            --ng-accent-cyan: #00F0FF;
            --ng-accent-green: #2ECC71;
            --ng-accent-red: #FF4757;
            --ng-accent-orange: #FF9F43;
            --ng-text-white: #FFFFFF;
            --ng-text-secondary: #B0BEC5;
            --ng-text-muted: #78909C;
            --ng-text-gold: #FEF08A;
            --ng-font-heading: 'Be Vietnam Pro', 'Segoe UI', 'Helvetica Neue', sans-serif;
            --ng-font-body: 'Be Vietnam Pro', 'Segoe UI', 'Helvetica Neue', sans-serif;
            --ng-radius-sm: 8px;
            --ng-radius-md: 16px;
            --ng-radius-lg: 24px;
            --ng-radius-xl: 32px;
            --ng-shadow-glow-cyan: 0 0 20px rgba(0, 240, 255, 0.22);
            --ng-shadow-glow-gold: 0 0 18px rgba(255, 215, 0, 0.28);
            --ng-shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --ng-shadow-card-hover: 0 14px 40px rgba(0, 0, 0, 0.5);
            --ng-transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --ng-section-padding: 5rem 0;
            --ng-container-w: 1200px;
            --ng-gap-grid: 1.5rem;
        }

        /* Reset & Base */
        *, *::before, *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--ng-font-body);
            font-weight: 400;
            line-height: 1.65;
            color: var(--ng-text-secondary);
            background: var(--ng-bg-primary);
            background-image: radial-gradient(ellipse at 20% 0%, rgba(0, 240, 255, 0.06) 0%, transparent 55%),
                              radial-gradient(ellipse at 80% 100%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
            margin: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--ng-transition);
        }
        button {
            font-family: var(--ng-font-body);
            cursor: pointer;
            transition: var(--ng-transition);
        }
        button:focus-visible, a:focus-visible {
            outline: 2px solid var(--ng-accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--ng-font-heading);
            color: var(--ng-text-white);
            margin-top: 0;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.015em;
            margin-bottom: 1.25rem;
        }
        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1rem;
            max-width: 65ch;
        }
        ul, ol {
            padding-left: 1.25rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.35rem;
        }

        /* Container */
        .container-wide {
            max-width: var(--ng-container-w);
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .container {
            max-width: 1080px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 22, 40, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 1.5rem;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--ng-accent-gold), #E6A800);
            border-radius: 12px;
            color: #0A1628;
            font-size: 1.2rem;
            box-shadow: var(--ng-shadow-glow-gold);
            flex-shrink: 0;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-text strong {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ng-text-white);
            letter-spacing: -0.02em;
        }
        .logo-text span {
            font-size: 0.72rem;
            font-weight: 500;
            color: var(--ng-accent-gold);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-desktop a {
            display: block;
            padding: 0.5rem 1rem;
            color: var(--ng-text-secondary);
            font-weight: 500;
            font-size: 0.88rem;
            border-radius: 8px;
            transition: var(--ng-transition);
            white-space: nowrap;
        }
        .nav-desktop a:hover {
            color: var(--ng-text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-desktop a.active {
            color: var(--ng-accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .btn-text {
            background: transparent;
            border: none;
            color: var(--ng-text-secondary);
            font-weight: 600;
            font-size: 0.88rem;
            padding: 0.5rem 0.75rem;
            border-radius: 8px;
        }
        .btn-text:hover {
            color: var(--ng-text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .btn-solid {
            background: linear-gradient(135deg, var(--ng-accent-gold), #E6A800);
            border: none;
            color: #0A1628;
            font-weight: 700;
            font-size: 0.88rem;
            padding: 0.55rem 1.3rem;
            border-radius: 8px;
            box-shadow: var(--ng-shadow-glow-gold);
        }
        .btn-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
        }
        .btn-solid:active {
            transform: translateY(0);
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--ng-text-white);
            font-size: 1.4rem;
            padding: 0.5rem;
            border-radius: 8px;
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .mobile-menu {
            display: none;
            background: rgba(10, 22, 40, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 1rem 1.5rem 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a {
            display: block;
            padding: 0.8rem 0.5rem;
            color: var(--ng-text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .mobile-menu a.active {
            color: var(--ng-accent-gold);
        }
        .mobile-menu a:hover {
            color: var(--ng-text-white);
        }

        /* Hero */
        .hero-cat {
            padding: 8.5rem 0 4rem;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-color: var(--ng-bg-primary);
            overflow: hidden;
        }
        .hero-cat::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 22, 40, 0.88) 0%, rgba(10, 22, 40, 0.96) 100%);
            pointer-events: none;
        }
        .hero-cat .container-wide {
            position: relative;
            z-index: 1;
        }
        .hero-tag {
            display: inline-block;
            padding: 0.4rem 1rem;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--ng-accent-gold);
            background: rgba(255, 215, 0, 0.10);
            border: 1px solid rgba(255, 215, 0, 0.28);
            border-radius: 50px;
            letter-spacing: 0.04em;
            margin-bottom: 1.25rem;
        }
        .hero-cat h1 {
            color: var(--ng-text-white);
            max-width: 700px;
            margin-bottom: 1.25rem;
        }
        .hero-sub {
            font-size: 1.05rem;
            color: var(--ng-text-secondary);
            max-width: 620px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .hero-icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.65rem 1.1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--ng-card-border);
            border-radius: 12px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            font-size: 0.85rem;
            color: var(--ng-text-secondary);
            font-weight: 500;
        }
        .hero-icon-item i {
            color: var(--ng-accent-gold);
            font-size: 1rem;
        }
        .hero-status-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            padding: 1.1rem 1.5rem;
            background: rgba(13, 33, 55, 0.75);
            border: 1px solid var(--ng-card-border);
            border-radius: var(--ng-radius-md);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .status-item {
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--ng-accent-green);
            box-shadow: 0 0 8px rgba(46, 204, 113, 0.6);
            flex-shrink: 0;
        }
        .status-item span {
            font-size: 0.85rem;
            color: var(--ng-text-secondary);
            font-weight: 500;
        }
        .status-item strong {
            color: var(--ng-text-white);
            font-weight: 700;
        }

        /* Section Common */
        .section {
            padding: var(--ng-section-padding);
        }
        .section-alt {
            background: var(--ng-bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--ng-accent-cyan);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 0.6rem;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--ng-text-white);
            margin-bottom: 1rem;
            letter-spacing: -0.015em;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--ng-text-secondary);
            max-width: 650px;
        }

        /* Pain Points Layout (Asymmetric) */
        .pain-layout {
            display: grid;
            grid-template-columns: 0.95fr 1.15fr;
            gap: 3rem;
            align-items: start;
        }
        .pain-intro {
            position: sticky;
            top: 90px;
        }
        .pain-intro .section-title {
            margin-bottom: 1rem;
        }
        .pain-intro p {
            margin-bottom: 1rem;
        }
        .pain-intro .highlight {
            color: var(--ng-text-gold);
            font-weight: 600;
        }
        .pain-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .pain-item {
            display: flex;
            gap: 1.1rem;
            padding: 1.25rem 1.4rem;
            background: var(--ng-card-glass);
            border: 1px solid var(--ng-card-border);
            border-radius: var(--ng-radius-md);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: var(--ng-transition);
        }
        .pain-item:hover {
            border-color: rgba(255, 71, 87, 0.35);
            box-shadow: var(--ng-shadow-card);
            transform: translateX(4px);
        }
        .pain-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 71, 87, 0.12);
            border-radius: 10px;
            color: var(--ng-accent-red);
            font-size: 1.1rem;
        }
        .pain-item h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: var(--ng-text-white);
        }
        .pain-item p {
            font-size: 0.88rem;
            margin: 0;
            color: var(--ng-text-secondary);
        }

        /* Solution Section */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
            margin-top: 2rem;
        }
        .solution-card {
            padding: 1.5rem 1.4rem;
            background: var(--ng-card-glass);
            border: 1px solid var(--ng-card-border);
            border-radius: var(--ng-radius-md);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: var(--ng-transition);
        }
        .solution-card:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: var(--ng-shadow-glow-cyan);
            transform: translateY(-4px);
        }
        .solution-card .icon-wrap {
            width: 46px;
            height: 46px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 240, 255, 0.10);
            border-radius: 10px;
            color: var(--ng-accent-cyan);
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }
        .solution-card h3 {
            font-size: 1.05rem;
            margin-bottom: 0.5rem;
        }
        .solution-card p {
            font-size: 0.88rem;
            margin: 0;
            color: var(--ng-text-secondary);
            line-height: 1.6;
        }
        .solution-rating {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            margin-top: 0.75rem;
        }
        .solution-rating i {
            color: var(--ng-accent-gold);
            font-size: 0.75rem;
        }
        .solution-rating span {
            font-size: 0.78rem;
            color: var(--ng-text-muted);
            margin-left: 0.35rem;
        }

        /* Ranking Section */
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .ranking-card {
            display: flex;
            gap: 1.3rem;
            padding: 1.5rem;
            background: var(--ng-card-glass);
            border: 1px solid var(--ng-card-border);
            border-radius: var(--ng-radius-lg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: var(--ng-transition);
            align-items: center;
        }
        .ranking-card:hover {
            border-color: rgba(255, 215, 0, 0.35);
            box-shadow: var(--ng-shadow-card-hover);
            transform: translateY(-4px);
        }
        .ranking-img {
            width: 110px;
            height: 110px;
            flex-shrink: 0;
            border-radius: var(--ng-radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .ranking-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-top {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 0.5rem;
            flex-wrap: wrap;
        }
        .ranking-position {
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--ng-accent-gold), #E6A800);
            border-radius: 50%;
            color: #0A1628;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .ranking-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--ng-text-white);
        }
        .ranking-badge {
            display: inline-block;
            padding: 0.15rem 0.6rem;
            font-size: 0.7rem;
            font-weight: 600;
            border-radius: 50px;
            background: rgba(46, 204, 113, 0.15);
            color: var(--ng-accent-green);
            border: 1px solid rgba(46, 204, 113, 0.3);
        }
        .ranking-stars {
            display: flex;
            gap: 0.2rem;
            margin-bottom: 0.4rem;
        }
        .ranking-stars i {
            color: var(--ng-accent-gold);
            font-size: 0.85rem;
        }
        .ranking-points {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            margin-top: 0.5rem;
        }
        .ranking-points span {
            font-size: 0.8rem;
            color: var(--ng-text-muted);
        }
        .ranking-points strong {
            color: var(--ng-accent-cyan);
            font-weight: 600;
        }

        /* Process Section */
        .process-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 3rem;
            align-items: center;
            margin-top: 2rem;
        }
        .process-image {
            position: relative;
            border-radius: var(--ng-radius-lg);
            overflow: hidden;
            box-shadow: var(--ng-shadow-card);
            border: 1px solid var(--ng-card-border);
        }
        .process-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .process-image .overlay-badge {
            position: absolute;
            bottom: 1rem;
            left: 1rem;
            padding: 0.6rem 1rem;
            background: rgba(10, 22, 40, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 10px;
            color: var(--ng-text-gold);
            font-weight: 600;
            font-size: 0.8rem;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        .process-steps {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .process-step {
            display: flex;
            gap: 1.1rem;
            align-items: flex-start;
            padding: 1rem 1.2rem;
            background: var(--ng-card-glass);
            border: 1px solid var(--ng-card-border);
            border-radius: var(--ng-radius-md);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: var(--ng-transition);
        }
        .process-step:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: var(--ng-shadow-glow-cyan);
        }
        .step-number {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--ng-accent-cyan), #00B8CC);
            border-radius: 50%;
            color: #0A1628;
            font-weight: 800;
            font-size: 0.9rem;
        }
        .process-step h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        .process-step p {
            font-size: 0.85rem;
            margin: 0;
            color: var(--ng-text-secondary);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .testimonial-card {
            padding: 1.5rem 1.4rem;
            background: var(--ng-card-glass);
            border: 1px solid var(--ng-card-border);
            border-radius: var(--ng-radius-md);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: var(--ng-transition);
            display: flex;
            flex-direction: column;
        }
        .testimonial-card:hover {
            border-color: rgba(255, 215, 0, 0.3);
            box-shadow: var(--ng-shadow-card);
            transform: translateY(-4px);
        }
        .testimonial-quote {
            font-size: 0.9rem;
            color: var(--ng-text-secondary);
            font-style: italic;
            line-height: 1.65;
            flex: 1;
            margin-bottom: 1rem;
        }
        .testimonial-quote i {
            color: var(--ng-accent-gold);
            margin-right: 0.4rem;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .testimonial-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2ECC71, #27AE60);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .testimonial-author strong {
            display: block;
            font-size: 0.85rem;
            color: var(--ng-text-white);
            font-weight: 600;
        }
        .testimonial-author span {
            font-size: 0.75rem;
            color: var(--ng-text-muted);
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 2rem auto 0;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: var(--ng-card-glass);
            border: 1px solid var(--ng-card-border);
            border-radius: var(--ng-radius-md);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            overflow: hidden;
            transition: var(--ng-transition);
        }
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.25);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.4rem;
            background: transparent;
            border: none;
            color: var(--ng-text-white);
            font-weight: 600;
            font-size: 0.95rem;
            text-align: left;
            cursor: pointer;
        }
        .faq-question:hover {
            color: var(--ng-accent-cyan);
        }
        .faq-question i {
            color: var(--ng-accent-gold);
            font-size: 0.85rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.4rem;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 1.2rem;
        }
        .faq-answer p {
            font-size: 0.88rem;
            margin: 0;
            color: var(--ng-text-secondary);
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            padding: 4.5rem 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 22, 40, 0.93) 0%, rgba(13, 33, 55, 0.9) 60%, rgba(10, 22, 40, 0.95) 100%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            color: var(--ng-text-white);
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            color: var(--ng-text-secondary);
            max-width: 560px;
            margin: 0 auto 2rem;
        }
        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--ng-accent-gold), #E6A800);
            border: none;
            color: #0A1628;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.85rem 2rem;
            border-radius: 12px;
            box-shadow: var(--ng-shadow-glow-gold);
        }
        .btn-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 30px rgba(255, 215, 0, 0.45);
        }
        .btn-ghost {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: var(--ng-text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 0.85rem 2rem;
            border-radius: 12px;
        }
        .btn-ghost:hover {
            border-color: var(--ng-accent-cyan);
            color: var(--ng-accent-cyan);
            background: rgba(0, 240, 255, 0.06);
        }
        .cta-payment {
            margin-top: 1.5rem;
            display: flex;
            gap: 0.8rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-payment span {
            padding: 0.45rem 1rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--ng-card-border);
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--ng-text-secondary);
        }
        .cta-payment i {
            margin-right: 0.35rem;
            color: var(--ng-accent-green);
        }

        /* Footer */
        .site-footer {
            background: #070F1A;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3.5rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--ng-text-muted);
            margin-top: 0.9rem;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--ng-text-white);
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--ng-text-muted);
            margin-bottom: 0.55rem;
            transition: var(--ng-transition);
        }
        .footer-col a:hover {
            color: var(--ng-accent-gold);
            transform: translateX(3px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: var(--ng-text-muted);
        }
        .footer-bottom span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1C1C1E, #121212);
            border: 2px solid var(--ng-accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--ng-accent-gold);
            opacity: 0.7;
            animation: fabBreathe 3s ease-in-out infinite;
            transition: var(--ng-transition);
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }
        .fab-support:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-support .fab-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--ng-accent-red);
            border: 2px solid #0A1628;
            animation: fabBlink 1.4s ease-in-out infinite;
        }
        @keyframes fabBreathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes fabBlink {
            0%, 100% { opacity: 1; box-shadow: 0 0 8px rgba(255, 71, 87, 0.8); }
            50% { opacity: 0.4; box-shadow: 0 0 4px rgba(255, 71, 87, 0.4); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.55rem; }
            .section { padding: 3.5rem 0; }
            .solution-grid { grid-template-columns: repeat(2, 1fr); }
            .process-layout { grid-template-columns: 1fr; gap: 2rem; }
            .process-image img { min-height: 260px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.show {
                display: block;
            }
            .header-actions {
                margin-left: auto;
            }
            .header-inner {
                height: 62px;
            }
            .hero-cat {
                padding: 7rem 0 3rem;
            }
            h1 { font-size: 1.7rem; }
            h2 { font-size: 1.4rem; }
            .pain-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .pain-intro { position: static; }
            .solution-grid { grid-template-columns: 1fr; }
            .ranking-grid { grid-template-columns: 1fr; }
            .testimonial-grid { grid-template-columns: 1fr; }
            .ranking-card { flex-direction: column; align-items: flex-start; text-align: left; }
            .ranking-img { width: 100%; height: 180px; }
            .cta-section h2 { font-size: 1.5rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
            .footer-bottom { flex-direction: column; align-items: flex-start; }
            .hero-status-bar { gap: 0.8rem; padding: 0.9rem 1rem; }
            .hero-icon-matrix { gap: 0.7rem; }
            .hero-icon-item { padding: 0.5rem 0.85rem; font-size: 0.78rem; }
        }
        @media (max-width: 520px) {
            .container-wide, .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            h1 { font-size: 1.45rem; }
            .hero-sub { font-size: 0.95rem; }
            .section { padding: 2.75rem 0; }
            .btn-gold, .btn-ghost { padding: 0.75rem 1.5rem; font-size: 0.9rem; }
            .logo-text strong { font-size: 0.9rem; }
            .logo-text span { font-size: 0.65rem; }
            .logo-icon { width: 36px; height: 36px; font-size: 1rem; }
            .header-actions .btn-text { display: none; }
            .header-actions .btn-solid { padding: 0.45rem 1rem; font-size: 0.8rem; }
            .fab-support { width: 46px; height: 46px; font-size: 1.1rem; bottom: 5.5rem; }
        }