/* roulang page: index */
:root {
            --bg-deep: #080C16;
            --bg-card: rgba(18, 25, 45, 0.75);
            --glass-border: rgba(0, 82, 255, 0.25);
            --electric-blue: #0052FF;
            --neon-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --accent-glow: 0 0 18px rgba(0, 240, 255, 0.4);
            --btn-glow: 0 0 25px rgba(0, 82, 255, 0.55);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --backdrop-blur: blur(16px);
        }

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

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            background-image: radial-gradient(ellipse at 20% 10%, rgba(0, 82, 255, 0.08) 0%, transparent 55%),
                              radial-gradient(ellipse at 80% 85%, rgba(0, 240, 255, 0.06) 0%, transparent 55%);
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Navbar */
        .navbar {
            background: rgba(8, 12, 22, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            padding: 14px 0;
            transition: var(--transition-smooth);
            z-index: 1050;
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--neon-cyan), var(--electric-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            margin: 0 6px;
            padding: 8px 16px !important;
            border-radius: 30px;
            transition: var(--transition-smooth);
            font-size: 0.95rem;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: #fff !important;
            background: rgba(0, 82, 255, 0.2);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--neon-cyan);
            color: var(--neon-cyan);
            border-radius: 30px;
            font-weight: 600;
            padding: 8px 22px;
            transition: var(--transition-smooth);
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            color: #fff;
        }

        .btn-signup {
            background: var(--electric-blue);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 30px;
            padding: 9px 26px;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
            font-size: 0.9rem;
        }

        .btn-signup:hover {
            background: #003fca;
            box-shadow: 0 0 30px rgba(0, 82, 255, 0.8);
            transform: translateY(-1px);
            color: #fff;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            padding: 100px 0 70px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,12,22,0.7) 0%, rgba(8,12,22,0.92) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid var(--neon-cyan);
            color: var(--neon-cyan);
            padding: 6px 20px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            backdrop-filter: blur(10px);
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 0 0 30px rgba(0, 82, 255, 0.4);
        }

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

        .hero-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-form input {
            flex: 1 1 280px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 30px;
            padding: 14px 24px;
            color: #fff;
            font-size: 1rem;
            backdrop-filter: blur(8px);
            transition: var(--transition-smooth);
        }

        .hero-form input:focus {
            outline: none;
            border-color: var(--neon-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
        }

        .btn-hero-cta {
            background: var(--electric-blue);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 30px;
            padding: 14px 32px;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-hero-cta:hover {
            background: #003fca;
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.9);
            transform: translateY(-2px);
        }

        /* Section title */
        .section-label {
            color: var(--neon-cyan);
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 700px;
        }

        /* Glass cards */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: var(--backdrop-blur);
            -webkit-backdrop-filter: var(--backdrop-blur);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition-smooth);
            height: 100%;
        }

        .glass-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.2);
            transform: translateY(-3px);
        }

        .icon-circle {
            width: 50px;
            height: 50px;
            background: rgba(0, 82, 255, 0.18);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1.4rem;
            margin-bottom: 16px;
        }

        /* News list */
        .news-list-item {
            background: rgba(255,255,255,0.03);
            border-left: 3px solid var(--electric-blue);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-bottom: 12px;
            transition: var(--transition-smooth);
        }

        .news-list-item:hover {
            background: rgba(0, 82, 255, 0.08);
            border-left-color: var(--neon-cyan);
        }

        .news-list-item a {
            color: var(--text-primary);
            font-weight: 600;
            text-decoration: none;
            font-size: 0.95rem;
        }

        .news-list-item a:hover {
            color: var(--neon-cyan);
        }

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

        /* FAQ */
        .faq-item {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            margin-bottom: 12px;
            transition: var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.04);
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .faq-answer {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* App download section */
        .app-download-card {
            background: linear-gradient(135deg, rgba(0,82,255,0.15), rgba(0,240,255,0.08));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 36px;
            backdrop-filter: blur(16px);
        }

        .btn-download {
            background: #fff;
            color: #000;
            border-radius: 30px;
            font-weight: 700;
            padding: 12px 28px;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-download:hover {
            background: var(--neon-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
            transform: translateY(-1px);
        }

        /* Footer */
        footer {
            background: rgba(10, 14, 26, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 40px 0 24px;
            backdrop-filter: blur(12px);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        footer a {
            color: var(--neon-cyan);
            text-decoration: none;
        }

        footer a:hover {
            text-decoration: underline;
        }

        .badge-age {
            background: rgba(220, 20, 60, 0.2);
            border: 1px solid #dc143c;
            color: #ff6b81;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .navbar-nav {
                margin-top: 10px;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-section {
                padding: 70px 0 50px;
                min-height: auto;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #080C16;
            --bg-card: rgba(18, 25, 45, 0.75);
            --glass-border: rgba(0, 82, 255, 0.25);
            --electric-blue: #0052FF;
            --neon-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --accent-glow: 0 0 18px rgba(0, 240, 255, 0.4);
            --btn-glow: 0 0 25px rgba(0, 82, 255, 0.55);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --backdrop-blur: blur(16px);
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            background-image: radial-gradient(ellipse at 20% 10%, rgba(0, 82, 255, 0.08) 0%, transparent 55%), radial-gradient(ellipse at 80% 85%, rgba(0, 240, 255, 0.06) 0%, transparent 55%);
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

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

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

        /* Navbar */
        .navbar {
            background: rgba(8, 12, 22, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            padding: 14px 0;
            transition: var(--transition-smooth);
            z-index: 1050;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--neon-cyan), var(--electric-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            margin: 0 6px;
            padding: 8px 16px !important;
            border-radius: 30px;
            transition: var(--transition-smooth);
            font-size: 0.95rem;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: #fff !important;
            background: rgba(0, 82, 255, 0.2);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--neon-cyan);
            color: var(--neon-cyan);
            border-radius: 30px;
            font-weight: 600;
            padding: 8px 22px;
            transition: var(--transition-smooth);
            font-size: 0.9rem;
        }
        .btn-login:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            color: #fff;
        }
        .btn-signup {
            background: var(--electric-blue);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 30px;
            padding: 9px 26px;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
            font-size: 0.9rem;
        }
        .btn-signup:hover {
            background: #003fca;
            box-shadow: 0 0 30px rgba(0, 82, 255, 0.8);
            transform: translateY(-1px);
            color: #fff;
        }

        /* Article Header Banner */
        .article-banner {
            position: relative;
            padding: 120px 0 60px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            z-index: 1;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 12, 22, 0.8) 0%, rgba(8, 12, 22, 0.95) 100%);
            z-index: 2;
        }
        .article-banner-content {
            position: relative;
            z-index: 3;
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
        }
        .article-category-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid var(--neon-cyan);
            color: var(--neon-cyan);
            padding: 5px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 16px;
            backdrop-filter: blur(8px);
        }
        .article-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            text-shadow: 0 0 25px rgba(0, 82, 255, 0.4);
        }
        .article-meta {
            color: var(--text-muted);
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .article-meta span i {
            color: var(--neon-cyan);
            margin-right: 6px;
        }

        /* Article Body Section */
        .article-body-section {
            padding: 50px 0 60px;
            position: relative;
        }
        .article-content-wrapper {
            background: var(--bg-card);
            backdrop-filter: var(--backdrop-blur);
            -webkit-backdrop-filter: var(--backdrop-blur);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            max-width: 900px;
            margin: 0 auto;
        }
        .article-content-wrapper h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-top: 32px;
            margin-bottom: 16px;
            color: #fff;
            line-height: 1.3;
            border-left: 4px solid var(--electric-blue);
            padding-left: 18px;
        }
        .article-content-wrapper h3 {
            font-size: 1.45rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 12px;
            color: var(--neon-cyan);
        }
        .article-content-wrapper p {
            color: var(--text-secondary);
            margin-bottom: 18px;
            line-height: 1.7;
            font-size: 1.05rem;
        }
        .article-content-wrapper ul,
        .article-content-wrapper ol {
            margin-bottom: 20px;
            padding-left: 24px;
            color: var(--text-secondary);
        }
        .article-content-wrapper li {
            margin-bottom: 8px;
            line-height: 1.6;
        }
        .article-content-wrapper strong {
            color: var(--neon-cyan);
            font-weight: 700;
        }
        .article-content-wrapper blockquote {
            background: rgba(0, 82, 255, 0.08);
            border-left: 5px solid var(--electric-blue);
            padding: 20px 28px;
            border-radius: var(--radius-sm);
            margin: 28px 0;
            color: var(--text-secondary);
            font-style: italic;
            font-size: 1.1rem;
            backdrop-filter: blur(10px);
        }
        .article-content-wrapper img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }
        .article-not-found {
            text-align: center;
            padding: 80px 24px;
            color: var(--text-muted);
        }
        .article-not-found i {
            font-size: 3.5rem;
            color: var(--neon-cyan);
            margin-bottom: 20px;
            display: block;
        }
        .btn-back-home {
            background: var(--electric-blue);
            color: #fff;
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 30px;
            box-shadow: var(--btn-glow);
            display: inline-block;
            margin-top: 16px;
            transition: var(--transition-smooth);
            border: none;
            text-decoration: none;
        }
        .btn-back-home:hover {
            background: #003fca;
            box-shadow: 0 0 30px rgba(0, 82, 255, 0.9);
            transform: translateY(-2px);
            color: #fff;
        }

        /* CTA Section */
        .article-cta {
            padding: 60px 0;
            text-align: center;
            background: linear-gradient(180deg, rgba(0, 82, 255, 0.05) 0%, transparent 100%);
            border-top: 1px solid rgba(0, 240, 255, 0.08);
            margin-top: 20px;
        }
        .cta-glass-card {
            background: var(--bg-card);
            backdrop-filter: var(--backdrop-blur);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 44px 32px;
            max-width: 700px;
            margin: 0 auto;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
        }
        .cta-glass-card h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-glass-card p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .btn-cta-large {
            background: var(--electric-blue);
            border: none;
            color: #fff;
            font-weight: 700;
            padding: 14px 38px;
            border-radius: 30px;
            font-size: 1.1rem;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
        }
        .btn-cta-large:hover {
            background: #003fca;
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.9);
            transform: translateY(-2px);
        }

        /* Footer */
        footer {
            background: rgba(8, 12, 22, 0.7);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 50px 0 30px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        footer h5,
        footer h6 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 16px;
        }
        footer a {
            color: var(--text-secondary);
            transition: var(--transition-smooth);
        }
        footer a:hover {
            color: var(--neon-cyan);
            text-shadow: 0 0 6px rgba(0, 240, 255, 0.5);
        }
        footer ul {
            padding-left: 0;
        }
        footer ul li {
            margin-bottom: 8px;
            list-style: none;
        }
        .badge-age {
            display: inline-block;
            background: rgba(255, 0, 0, 0.15);
            border: 1px solid #ff4d4d;
            color: #ff4d4d;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-top: 8px;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 24px;
            bottom: 100px;
            z-index: 1050;
            width: 55px;
            height: 55px;
            border-radius: 50px;
            background: rgba(8, 12, 22, 0.7);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1.5rem;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.5);
            transition: var(--transition-smooth);
            cursor: pointer;
            text-decoration: none;
            animation: fab-float 3s ease-in-out infinite;
        }
        .fab-left::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--neon-cyan), var(--electric-blue));
            z-index: -1;
        }
        .fab-left:hover {
            transform: scale(1.12);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.8);
            color: #fff;
        }
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @media (max-width: 992px) {
            .article-banner h1 {
                font-size: 2.2rem;
            }
            .article-content-wrapper {
                padding: 28px 24px;
            }
            .article-content-wrapper h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 576px) {
            .article-banner {
                padding: 100px 0 40px;
            }
            .article-banner h1 {
                font-size: 1.7rem;
            }
            .article-content-wrapper {
                padding: 20px 16px;
                border-radius: var(--radius-md);
            }
            .cta-glass-card {
                padding: 28px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #080C16;
            --bg-card: rgba(18, 25, 45, 0.75);
            --glass-border: rgba(0, 82, 255, 0.25);
            --electric-blue: #0052FF;
            --neon-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --accent-glow: 0 0 18px rgba(0, 240, 255, 0.4);
            --btn-glow: 0 0 25px rgba(0, 82, 255, 0.55);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --backdrop-blur: blur(16px);
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            background-image: radial-gradient(ellipse at 20% 10%, rgba(0, 82, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 85%, rgba(0, 240, 255, 0.06) 0%, transparent 55%);
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Navbar */
        .navbar {
            background: rgba(8, 12, 22, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            padding: 14px 0;
            transition: var(--transition-smooth);
            z-index: 1050;
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--neon-cyan), var(--electric-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            margin: 0 6px;
            padding: 8px 16px !important;
            border-radius: 30px;
            transition: var(--transition-smooth);
            font-size: 0.95rem;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: #fff !important;
            background: rgba(0, 82, 255, 0.2);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--neon-cyan);
            color: var(--neon-cyan);
            border-radius: 30px;
            font-weight: 600;
            padding: 8px 22px;
            transition: var(--transition-smooth);
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            color: #fff;
        }

        .btn-signup {
            background: var(--electric-blue);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 30px;
            padding: 9px 26px;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
            font-size: 0.9rem;
        }

        .btn-signup:hover {
            background: #003fca;
            box-shadow: 0 0 30px rgba(0, 82, 255, 0.8);
            transform: translateY(-1px);
            color: #fff;
        }

        /* Hero Section - Livestream Countdown Style */
        .hero-section {
            position: relative;
            padding: 120px 0 80px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 650px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 12, 22, 0.65) 0%, rgba(8, 12, 22, 0.9) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
        }

        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 0, 76, 0.18);
            border: 1px solid rgba(255, 0, 76, 0.6);
            color: #FF477E;
            padding: 6px 20px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
            backdrop-filter: blur(10px);
            animation: pulse-live 2s infinite;
        }

        .live-dot {
            width: 10px;
            height: 10px;
            background: #FF004C;
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 10px #FF004C;
        }

        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.75;
            }
        }

        .hero-title {
            font-size: 3.35rem;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 22px;
            text-shadow: 0 0 30px rgba(0, 82, 255, 0.5);
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 36px;
            line-height: 1.7;
            max-width: 600px;
        }

        .countdown-row {
            display: flex;
            gap: 18px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .countdown-item {
            background: var(--bg-card);
            backdrop-filter: var(--backdrop-blur);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            min-width: 80px;
            text-align: center;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
        }

        .countdown-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--neon-cyan);
            line-height: 1;
            margin-bottom: 4px;
            text-shadow: 0 0 15px rgba(0, 240, 255, 0.6);
        }

        .countdown-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 600;
        }

        .btn-hero-cta {
            background: linear-gradient(135deg, var(--electric-blue), #0038CC);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 40px;
            padding: 16px 36px;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .btn-hero-cta:hover {
            background: #003fca;
            box-shadow: 0 0 35px rgba(0, 82, 255, 0.95);
            transform: translateY(-3px);
            color: #fff;
        }

        .btn-hero-cta i {
            font-size: 1.1rem;
        }

        /* Section titles */
        .section-label {
            color: var(--neon-cyan);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: block;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.25;
            color: var(--text-primary);
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 48px;
            max-width: 650px;
        }

        /* Pain Point Box */
        .pain-point-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            margin-bottom: 20px;
        }

        .pain-card {
            background: rgba(18, 25, 45, 0.55);
            backdrop-filter: var(--backdrop-blur);
            border: 1px solid rgba(255, 77, 77, 0.2);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .pain-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #FF4D4D, #FF8080);
            opacity: 0.7;
        }

        .pain-card:hover {
            border-color: rgba(255, 77, 77, 0.5);
            box-shadow: 0 8px 28px rgba(255, 77, 77, 0.15);
            transform: translateY(-3px);
        }

        .pain-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 77, 77, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: #FF6B6B;
            font-size: 1.4rem;
        }

        .pain-title {
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: #fff;
        }

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

        /* Solution Section */
        .solution-card {
            background: var(--bg-card);
            backdrop-filter: var(--backdrop-blur);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 40px;
            margin-bottom: 28px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
            transition: var(--transition-smooth);
            position: relative;
        }

        .solution-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: 0 14px 40px rgba(0, 240, 255, 0.15);
        }

        .solution-number {
            font-size: 3.5rem;
            font-weight: 900;
            color: rgba(0, 240, 255, 0.15);
            position: absolute;
            top: 20px;
            right: 30px;
            line-height: 1;
            pointer-events: none;
        }

        .solution-title {
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 12px;
            color: #fff;
        }

        .solution-text {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Game Card Grid */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .game-card {
            background: rgba(18, 25, 45, 0.6);
            backdrop-filter: var(--backdrop-blur);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .game-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--accent-glow);
            transform: translateY(-6px);
        }

        .game-thumb {
            width: 100%;
            aspect-ratio: 3/2;
            object-fit: cover;
            display: block;
        }

        .game-info {
            padding: 16px;
        }

        .game-name {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 6px;
            color: #fff;
        }

        .game-provider {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .game-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.12);
            color: var(--neon-cyan);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 20px;
            margin-bottom: 8px;
        }

        /* Feature list */
        .feature-list {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }

        .feature-list li {
            padding: 10px 0 10px 36px;
            position: relative;
            color: var(--text-secondary);
            font-size: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .feature-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 12px;
            color: var(--neon-cyan);
            font-size: 0.85rem;
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            backdrop-filter: var(--backdrop-blur);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.4);
        }

        .faq-question {
            padding: 22px 28px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #fff;
        }

        .faq-question i {
            color: var(--neon-cyan);
            transition: transform 0.25s ease;
        }

        .faq-answer {
            padding: 0 28px 22px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2), rgba(0, 240, 255, 0.12));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            backdrop-filter: var(--backdrop-blur);
        }

        .btn-cta-large {
            background: var(--electric-blue);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 40px;
            padding: 16px 42px;
            font-size: 1.15rem;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-cta-large:hover {
            background: #003fca;
            box-shadow: 0 0 40px rgba(0, 82, 255, 0.95);
            transform: translateY(-3px);
            color: #fff;
        }

        /* Footer */
        footer {
            background: rgba(8, 12, 22, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 60px 0 30px;
            margin-top: 70px;
            backdrop-filter: blur(10px);
        }

        footer a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-smooth);
        }

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

        .badge-age {
            background: #D32F2F;
            color: #fff;
            font-weight: 800;
            padding: 5px 12px;
            border-radius: 6px;
            font-size: 0.85rem;
            display: inline-block;
            margin-top: 10px;
        }

        /* FAB */
        .fab-float {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1055;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: rgba(8, 12, 22, 0.85);
            backdrop-filter: blur(14px);
            border: 2px solid var(--neon-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.5);
            transition: var(--transition-smooth);
            animation: float-fab 3s ease-in-out infinite;
        }

        .fab-float:hover {
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            transform: scale(1.15);
            background: rgba(0, 82, 255, 0.35);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .game-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .pain-point-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-section {
                padding: 100px 0 60px;
                min-height: auto;
            }
            .hero-title {
                font-size: 2.1rem;
            }
            .countdown-row {
                gap: 10px;
            }
            .countdown-item {
                padding: 12px 18px;
                min-width: 65px;
            }
            .countdown-value {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .solution-card {
                padding: 28px;
            }
            .solution-number {
                font-size: 2.5rem;
                top: 15px;
                right: 20px;
            }
        }

        @media (max-width: 520px) {
            .game-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .countdown-item {
                min-width: 55px;
                padding: 10px 14px;
            }
            .countdown-value {
                font-size: 1.3rem;
            }
            .hero-form {
                flex-direction: column;
            }
            .btn-hero-cta {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #080C16;
            --bg-card: rgba(18, 25, 45, 0.75);
            --glass-border: rgba(0, 82, 255, 0.25);
            --electric-blue: #0052FF;
            --neon-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --accent-glow: 0 0 18px rgba(0, 240, 255, 0.4);
            --btn-glow: 0 0 25px rgba(0, 82, 255, 0.55);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --backdrop-blur: blur(16px);
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            background-image: radial-gradient(ellipse at 30% 15%, rgba(0, 82, 255, 0.07) 0%, transparent 55%),
                              radial-gradient(ellipse at 75% 80%, rgba(0, 240, 255, 0.05) 0%, transparent 55%);
        }

        .container {
            max-width: 1260px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Navbar - Shared from index */
        .navbar {
            background: rgba(8, 12, 22, 0.84);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            padding: 14px 0;
            transition: var(--transition-smooth);
            z-index: 1050;
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--neon-cyan), var(--electric-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            margin: 0 6px;
            padding: 8px 16px !important;
            border-radius: 30px;
            transition: var(--transition-smooth);
            font-size: 0.95rem;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: #fff !important;
            background: rgba(0, 82, 255, 0.2);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--neon-cyan);
            color: var(--neon-cyan);
            border-radius: 30px;
            font-weight: 600;
            padding: 8px 22px;
            transition: var(--transition-smooth);
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            color: #fff;
        }

        .btn-signup {
            background: var(--electric-blue);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 30px;
            padding: 9px 26px;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
            font-size: 0.9rem;
        }

        .btn-signup:hover {
            background: #003fca;
            box-shadow: 0 0 30px rgba(0, 82, 255, 0.8);
            transform: translateY(-1px);
            color: #fff;
        }

        /* Category Hero - KV Style with Countdown */
        .cat-hero {
            position: relative;
            padding: 110px 0 70px;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(0, 240, 255, 0.18);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,12,22,0.75) 0%, rgba(8,12,22,0.94) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.14);
            border: 1px solid rgba(0, 240, 255, 0.5);
            color: var(--neon-cyan);
            padding: 7px 22px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.8px;
            margin-bottom: 20px;
            backdrop-filter: blur(10px);
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 0 0 20px rgba(0, 82, 255, 0.5);
        }

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

        .countdown-bar {
            background: rgba(18, 25, 45, 0.7);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 40px;
            padding: 12px 28px;
            display: inline-flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 24px;
        }

        .countdown-bar span {
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .countdown-bar .timer {
            color: var(--neon-cyan);
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: 1px;
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }

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

        .btn-hero-primary {
            background: var(--electric-blue);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 30px;
            padding: 15px 34px;
            font-size: 1.05rem;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
            letter-spacing: 0.5px;
        }

        .btn-hero-primary:hover {
            background: #003fca;
            box-shadow: 0 0 30px rgba(0, 82, 255, 0.9);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-hero-outline {
            background: transparent;
            border: 2px solid rgba(0, 240, 255, 0.6);
            color: var(--neon-cyan);
            font-weight: 700;
            border-radius: 30px;
            padding: 15px 34px;
            font-size: 1.05rem;
            transition: var(--transition-smooth);
        }

        .btn-hero-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.45);
            color: #fff;
        }

        /* Sections */
        .section-block {
            padding: 70px 0;
        }

        .section-label {
            color: var(--neon-cyan);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: block;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 30px;
        }

        /* Glass Card */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: var(--backdrop-blur);
            -webkit-backdrop-filter: var(--backdrop-blur);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition-smooth);
            height: 100%;
        }

        .glass-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: var(--accent-glow);
            transform: translateY(-4px);
        }

        .glass-card .card-icon {
            width: 48px;
            height: 48px;
            background: rgba(0, 82, 255, 0.2);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1.5rem;
            margin-bottom: 18px;
        }

        .glass-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* Step Flow */
        .step-list {
            list-style: none;
            padding: 0;
        }

        .step-item {
            display: flex;
            gap: 20px;
            margin-bottom: 32px;
            padding: 24px;
            background: rgba(18, 25, 45, 0.45);
            border-radius: var(--radius-lg);
            border-left: 4px solid var(--electric-blue);
            transition: var(--transition-smooth);
        }

        .step-item:hover {
            border-left-color: var(--neon-cyan);
            background: rgba(18, 25, 45, 0.68);
            box-shadow: 0 4px 18px rgba(0, 82, 255, 0.15);
        }

        .step-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--electric-blue);
            min-width: 50px;
            line-height: 1;
        }

        .step-content h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 6px;
        }

        .step-content p {
            color: var(--text-secondary);
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        /* Table */
        .table-glass {
            background: rgba(18, 25, 45, 0.6);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.18);
        }

        .table-glass th {
            background: rgba(0, 82, 255, 0.15);
            color: var(--neon-cyan);
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border-bottom: 2px solid rgba(0, 240, 255, 0.25);
            padding: 14px 18px;
        }

        .table-glass td {
            color: var(--text-secondary);
            padding: 14px 18px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            vertical-align: middle;
        }

        .badge-tip {
            background: rgba(0, 240, 255, 0.15);
            color: var(--neon-cyan);
            border-radius: 20px;
            padding: 4px 14px;
            font-weight: 600;
            font-size: 0.8rem;
        }

        /* FAQ Accordion */
        .accordion-glass .accordion-item {
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }

        .accordion-glass .accordion-button {
            background: rgba(18, 25, 45, 0.5);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            padding: 18px 22px;
        }

        .accordion-glass .accordion-button:not(.collapsed) {
            background: rgba(0, 82, 255, 0.18);
            color: var(--neon-cyan);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
        }

        .accordion-glass .accordion-button::after {
            filter: brightness(0) invert(1);
        }

        .accordion-glass .accordion-body {
            background: rgba(8, 12, 22, 0.5);
            color: var(--text-secondary);
            line-height: 1.7;
            padding: 18px 22px;
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15) 0%, rgba(0, 240, 255, 0.08) 100%);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
        }

        .cta-block h2 {
            font-weight: 800;
            font-size: 2rem;
            margin-bottom: 14px;
        }

        .cta-block p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }

        .btn-cta-main {
            background: var(--electric-blue);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 40px;
            padding: 15px 40px;
            font-size: 1.1rem;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
            display: inline-block;
        }

        .btn-cta-main:hover {
            background: #003fca;
            box-shadow: 0 0 35px rgba(0, 82, 255, 0.9);
            transform: translateY(-3px);
            color: #fff;
        }

        /* Footer - Shared */
        footer {
            background: rgba(8, 12, 22, 0.9);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            padding: 50px 0 25px;
            margin-top: 40px;
        }

        footer h5, footer h6 {
            color: #fff;
        }

        footer a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-smooth);
        }

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

        .badge-age {
            background: #D32F2F;
            color: #fff;
            border-radius: 20px;
            padding: 4px 14px;
            font-weight: 700;
            font-size: 0.8rem;
            display: inline-block;
            margin-top: 8px;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1040;
            width: 52px;
            height: 52px;
            background: rgba(8, 12, 22, 0.7);
            backdrop-filter: blur(14px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, #00F0FF, #0052FF) 1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1.4rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.45);
        }

        .fab-left:hover {
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.75);
            transform: scale(1.1);
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hero-title { font-size: 2.3rem; }
            .section-title { font-size: 1.8rem; }
            .countdown-bar { flex-wrap: wrap; justify-content: center; }
        }

        @media (max-width: 768px) {
            .hero-title { font-size: 1.9rem; }
            .section-block { padding: 45px 0; }
            .glass-card { padding: 20px; }
            .step-item { flex-direction: column; gap: 10px; padding: 18px; }
            .cta-block { padding: 30px 20px; }
            .btn-hero-group { flex-direction: column; width: 100%; }
            .btn-hero-group .btn { width: 100%; text-align: center; }
        }

        @media (max-width: 520px) {
            .hero-title { font-size: 1.6rem; }
            .navbar-brand { font-size: 1.1rem; }
            .countdown-bar { padding: 10px 18px; }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #080C16;
            --bg-card: rgba(18, 25, 45, 0.75);
            --glass-border: rgba(0, 82, 255, 0.25);
            --electric-blue: #0052FF;
            --neon-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --accent-glow: 0 0 18px rgba(0, 240, 255, 0.4);
            --btn-glow: 0 0 25px rgba(0, 82, 255, 0.55);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --backdrop-blur: blur(16px);
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            background-image: radial-gradient(ellipse at 20% 10%, rgba(0, 82, 255, 0.08) 0%, transparent 55%),
                              radial-gradient(ellipse at 80% 85%, rgba(0, 240, 255, 0.06) 0%, transparent 55%);
        }
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* Navbar */
        .navbar {
            background: rgba(8, 12, 22, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            padding: 14px 0;
            transition: var(--transition-smooth);
            z-index: 1050;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--neon-cyan), var(--electric-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            margin: 0 6px;
            padding: 8px 16px !important;
            border-radius: 30px;
            transition: var(--transition-smooth);
            font-size: 0.95rem;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: #fff !important;
            background: rgba(0, 82, 255, 0.2);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--neon-cyan);
            color: var(--neon-cyan);
            border-radius: 30px;
            font-weight: 600;
            padding: 8px 22px;
            transition: var(--transition-smooth);
            font-size: 0.9rem;
        }
        .btn-login:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            color: #fff;
        }
        .btn-signup {
            background: var(--electric-blue);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 30px;
            padding: 9px 26px;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
            font-size: 0.9rem;
        }
        .btn-signup:hover {
            background: #003fca;
            box-shadow: 0 0 30px rgba(0, 82, 255, 0.8);
            transform: translateY(-1px);
            color: #fff;
        }
        /* Page Header */
        .page-header {
            position: relative;
            padding: 130px 0 80px;
            background: linear-gradient(180deg, rgba(8,12,22,0.5) 0%, var(--bg-deep) 100%), url('/assets/images/coverpic/cover-3.jpg') center/cover no-repeat;
            text-align: left;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }
        .page-header .section-label {
            color: var(--neon-cyan);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 0.85rem;
            margin-bottom: 12px;
        }
        .page-header h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            text-shadow: 0 0 25px rgba(0, 82, 255, 0.5);
        }
        .page-header .lead {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
        }
        /* Glass Card */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: var(--backdrop-blur);
            -webkit-backdrop-filter: var(--backdrop-blur);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: var(--transition-smooth);
            height: 100%;
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
        }
        .glass-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--accent-glow), 0 12px 28px rgba(0,0,0,0.4);
            transform: translateY(-4px);
        }
        .glass-card .icon-promo {
            font-size: 2.5rem;
            color: var(--neon-cyan);
            margin-bottom: 1rem;
        }
        .glass-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .glass-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .badge-promo {
            background: rgba(255, 0, 127, 0.2);
            border: 1px solid #FF007F;
            color: #FF79C6;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
            display: inline-block;
            margin-bottom: 0.8rem;
        }
        .btn-outline-glow {
            background: transparent;
            border: 1px solid var(--neon-cyan);
            color: var(--neon-cyan);
            border-radius: 30px;
            padding: 10px 28px;
            font-weight: 600;
            transition: var(--transition-smooth);
        }
        .btn-outline-glow:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            color: #fff;
        }
        .btn-cyan-glow {
            background: var(--electric-blue);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 30px;
            padding: 12px 32px;
            box-shadow: var(--btn-glow);
            transition: var(--transition-smooth);
        }
        .btn-cyan-glow:hover {
            background: #003fca;
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.9);
            color: #fff;
            transform: translateY(-2px);
        }
        /* Countdown Style */
        .countdown-item {
            background: rgba(0,0,0,0.25);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 12px;
            padding: 12px 16px;
            text-align: center;
            min-width: 70px;
        }
        .countdown-item span {
            display: block;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--neon-cyan);
            line-height: 1.2;
        }
        .countdown-item small {
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        /* Step visual */
        .step-line {
            position: relative;
            padding-left: 30px;
            border-left: 2px dashed var(--glass-border);
            margin-left: 20px;
            margin-bottom: 2rem;
        }
        .step-dot {
            position: absolute;
            left: -10px;
            top: 0;
            width: 18px;
            height: 18px;
            background: var(--electric-blue);
            border-radius: 50%;
            box-shadow: 0 0 12px var(--electric-blue);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            text-shadow: 0 0 15px rgba(0, 82, 255, 0.3);
        }
        .text-cyan {
            color: var(--neon-cyan);
        }
        /* Footer */
        footer {
            background: rgba(10, 15, 28, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        footer h5, footer h6 {
            color: #fff;
        }
        footer a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-smooth);
        }
        footer a:hover {
            color: var(--neon-cyan);
        }
        .badge-age {
            background: #D32F2F;
            color: #fff;
            border-radius: 50%;
            padding: 8px 10px;
            font-weight: 800;
            font-size: 0.8rem;
            display: inline-block;
            margin-top: 8px;
        }
        /* Responsive */
        @media (max-width: 768px) {
            .page-header h1 {
                font-size: 2rem;
            }
            .glass-card {
                padding: 1.5rem;
            }
            .countdown-item {
                min-width: 55px;
                padding: 8px 10px;
            }
            .countdown-item span {
                font-size: 1.3rem;
            }
        }