/* roulang page: index */
:root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-elevated: rgba(8, 18, 41, 0.85);
            --bg-glass: rgba(3, 7, 18, 0.7);
            --accent: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-light: #60A5FA;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(56, 189, 248, 0.25);
            --border-glow: rgba(37, 99, 235, 0.6);
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 12px rgba(56, 189, 248, 0.15);
            --shadow-btn-glow: 0 0 18px rgba(37, 99, 235, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-2xl: 64px;
            --font-sans: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-sans);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-light);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover, a:focus {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }
        .navbar {
            background: var(--bg-elevated);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 10px 0;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand span {
            color: var(--accent-cyan);
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all 0.2s;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent-light);
            background: rgba(37, 99, 235, 0.2);
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
        }
        .btn-outline-login {
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            transition: all 0.2s;
        }
        .btn-outline-login:hover, .btn-outline-login:focus {
            background: rgba(56, 189, 248, 0.15);
            color: var(--text-primary);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
        }
        .btn-solid-signup {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border: none;
            padding: 8px 24px;
            border-radius: 20px;
            font-weight: 700;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.5);
        }
        .btn-solid-signup:hover, .btn-solid-signup:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.7);
            color: #fff;
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }
        .navbar-toggler {
            border: none;
            color: var(--text-primary);
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--bg-secondary);
                border-radius: 0 0 12px 12px;
                padding: 16px;
                border: 1px solid var(--border-subtle);
                border-top: none;
            }
            .navbar-nav {
                margin-bottom: 10px;
            }
        }
        .hero-section {
            position: relative;
            background: url('/assets/images/9860189e8f0a2b3b.jpg') center center / cover no-repeat;
            min-height: 80vh;
            display: flex;
            align-items: center;
            padding: 120px 0 60px;
            overflow: hidden;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, rgba(3,7,18,0.95) 30%, rgba(3,7,18,0.5) 70%, rgba(3,7,18,0.8) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 0 4px 15px rgba(0,0,0,0.6);
        }
        .hero-title span {
            color: var(--accent-cyan);
            display: inline-block;
            background: rgba(37, 99, 235, 0.2);
            padding: 0 8px;
            border-radius: 8px;
        }
        .hero-description {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn-cta-primary {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.6);
        }
        .btn-cta-primary:hover, .btn-cta-primary:focus {
            transform: translateY(-3px);
            box-shadow: 0 14px 35px rgba(37, 99, 235, 0.8);
            color: #fff;
        }
        .btn-cta-secondary {
            background: transparent;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-cta-secondary:hover, .btn-cta-secondary:focus {
            background: rgba(56, 189, 248, 0.1);
            color: var(--text-primary);
        }
        .hero-stats {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            margin-top: 40px;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
        }
        .hero-stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .promo-sticker {
            position: absolute;
            top: 20%;
            right: 5%;
            z-index: 2;
            width: 130px;
            height: 130px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.3);
            border: 2px solid var(--accent-cyan);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 30px rgba(56, 189, 248, 0.7);
            backdrop-filter: blur(5px);
            animation: float 3s infinite ease-in-out;
        }
        .promo-sticker strong {
            font-size: 2rem;
            color: #fff;
            text-shadow: 0 0 10px #38BDF8;
        }
        .promo-sticker small {
            color: var(--text-secondary);
            font-size: 0.8rem;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
        }
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 800px;
            margin-bottom: 40px;
        }
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all 0.3s;
            height: 100%;
        }
        .glass-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card);
            transform: translateY(-6px);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(37, 99, 235, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
            border: 1px solid var(--border-subtle);
        }
        .card-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .card-text {
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .highlight-text {
            color: var(--accent-cyan);
            font-weight: 600;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (max-width: 991.98px) {
            .grid-3, .grid-2 {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 575.98px) {
            .hero-section {
                min-height: auto;
                padding: 100px 0 40px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .promo-sticker {
                display: none;
            }
        }
        .badge-soft {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(37, 99, 235, 0.15);
            color: var(--accent-light);
            border: 1px solid var(--border-subtle);
            margin-bottom: 12px;
        }
        .list-check {
            list-style: none;
            padding: 0;
        }
        .list-check li {
            padding: 8px 0 8px 32px;
            position: relative;
            color: var(--text-secondary);
        }
        .list-check li::before {
            content: "\f00c";
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent-cyan);
        }
        .payment-methods {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .payment-badge {
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--border-subtle);
            padding: 10px 18px;
            border-radius: 8px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all 0.2s;
        }
        .payment-badge:hover {
            border-color: var(--accent-cyan);
            color: var(--text-primary);
        }
        .social-proof-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px;
            border-left: 3px solid var(--accent);
            background: rgba(37, 99, 235, 0.05);
            margin-bottom: 16px;
            border-radius: 0 8px 8px 0;
        }
        .social-proof-item .avatar {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-weight: 700;
        }
        .social-proof-item .content {
            flex: 1;
        }
        .social-proof-item .name {
            font-weight: 700;
            color: var(--text-primary);
        }
        .social-proof-item .text {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .cms-item {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            transition: all 0.3s;
            margin-bottom: 12px;
        }
        .cms-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-card);
            transform: translateX(5px);
        }
        .cms-item .thumb {
            width: 80px;
            height: 80px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .cms-item .body {
            flex: 1;
        }
        .cms-item .title {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 1.05rem;
        }
        .cms-item .summary {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 8px;
        }
        .cms-item .meta {
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .recommend-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 16px;
            transition: all 0.3s;
        }
        .recommend-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-card);
        }
        .recommend-card .title {
            font-weight: 700;
            color: var(--text-primary);
        }
        .recommend-card .summary {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .cta-section {
            background: linear-gradient(135deg, #081229, #030712);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-2xl) 0;
            text-align: left;
        }
        .cta-box {
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            border: 1px solid var(--accent-cyan);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-logo span {
            color: var(--accent-cyan);
        }
        .footer-desc {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .footer-link {
            color: var(--text-secondary);
            display: block;
            padding: 4px 0;
        }
        .footer-link:hover {
            color: var(--accent-cyan);
        }
        .copyright {
            border-top: 1px solid rgba(56,189,248,0.2);
            margin-top: 30px;
            padding-top: 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .fab-cyber {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            border: 2px solid var(--accent-cyan);
            box-shadow: 0 6px 25px rgba(6, 182, 212, 0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            transition: all 0.3s;
            animation: fabPulse 2s infinite;
        }
        .fab-cyber:hover, .fab-cyber:focus {
            transform: scale(1.1);
            box-shadow: 0 8px 35px rgba(6, 182, 212, 0.7);
            color: #fff;
            border-color: #fff;
        }
        .fab-cyber .badge-dot {
            position: absolute;
            top: 0;
            right: 0;
            width: 12px;
            height: 12px;
            background: #ef4444;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: blink 1.5s infinite;
        }
        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 6px 25px rgba(6, 182, 212, 0.45); }
            50% { box-shadow: 0 6px 40px rgba(6, 182, 212, 0.75); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-elevated: rgba(8, 18, 41, 0.85);
            --bg-glass: rgba(3, 7, 18, 0.7);
            --accent: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-light: #60A5FA;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(56, 189, 248, 0.25);
            --border-glow: rgba(37, 99, 235, 0.6);
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 12px rgba(56, 189, 248, 0.15);
            --shadow-btn-glow: 0 0 18px rgba(37, 99, 235, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-2xl: 64px;
            --font-sans: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
        }
        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-sans);
            line-height: 1.6;
            overflow-x: hidden;
            padding-bottom: 80px; /* for fixed bottom bar */
        }
        a {
            color: var(--accent-light);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover, a:focus {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }
        /* Navbar */
        .navbar {
            background: var(--bg-elevated);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 10px 0;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand span {
            color: var(--accent-cyan);
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all 0.2s;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent-light);
            background: rgba(37, 99, 235, 0.2);
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
        }
        .btn-outline-login {
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            transition: all 0.2s;
        }
        .btn-outline-login:hover, .btn-outline-login:focus {
            background: rgba(56, 189, 248, 0.15);
            color: var(--text-primary);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
        }
        .btn-solid-signup {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border: none;
            padding: 8px 24px;
            border-radius: 20px;
            font-weight: 700;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.5);
        }
        .btn-solid-signup:hover, .btn-solid-signup:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.7);
            color: #fff;
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }
        .navbar-toggler {
            border: none;
            color: var(--text-primary);
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--bg-secondary);
                border-radius: 0 0 12px 12px;
                padding: 16px;
                border: 1px solid var(--border-subtle);
                border-top: none;
            }
            .navbar-nav {
                margin-bottom: 10px;
            }
        }
        /* Hero */
        .hero-section {
            position: relative;
            background: url('/assets/images/9860189e8f0a2b3b.jpg') center center / cover no-repeat;
            min-height: 78vh;
            display: flex;
            align-items: center;
            padding: 120px 0 60px;
            overflow: hidden;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, rgba(3,7,18,0.95) 30%, rgba(3,7,18,0.6) 70%, rgba(3,7,18,0.85) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 0 4px 15px rgba(0,0,0,0.6);
        }
        .hero-title span {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.2);
            padding: 0 8px;
            border-radius: 8px;
        }
        .hero-description {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
        }
        .hero-actions .btn {
            margin-right: 12px;
            margin-bottom: 12px;
        }
        .btn-primary-cta {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 700;
            transition: all 0.3s;
            box-shadow: 0 4px 20px rgba(37, 99, 235, 0.6);
        }
        .btn-primary-cta:hover, .btn-primary-cta:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(37, 99, 235, 0.8);
            color: #fff;
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }
        .btn-outline-cta {
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-outline-cta:hover, .btn-outline-cta:focus {
            background: rgba(56, 189, 248, 0.1);
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
        }
        .progress-wrap {
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-top: 30px;
        }
        .progress-label {
            display: flex;
            justify-content: space-between;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }
        .progress {
            height: 12px;
            background-color: rgba(255,255,255,0.1);
            border-radius: 20px;
            overflow: hidden;
        }
        .progress-bar {
            background: linear-gradient(90deg, #2563EB, #38BDF8);
            border-radius: 20px;
            transition: width 0.5s ease;
        }
        /* Section general */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-alt {
            background-color: var(--bg-secondary);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .section-subtitle {
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 700px;
        }
        .text-gradient {
            background: linear-gradient(90deg, #60A5FA, #38BDF8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        /* Feature cards */
        .feature-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card);
            border-color: var(--border-glow);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feature-card p {
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        /* Game cards */
        .game-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
            height: 100%;
        }
        .game-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card);
            border-color: var(--border-glow);
        }
        .game-img {
            position: relative;
            overflow: hidden;
            height: 180px;
        }
        .game-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }
        .game-card:hover .game-img img {
            transform: scale(1.05);
        }
        .game-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(220, 38, 38, 0.9);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .game-body {
            padding: 18px;
        }
        .game-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .game-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        /* Social proof */
        .testimonial-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
        }
        .testimonial-text {
            color: var(--text-secondary);
            font-style: italic;
            margin-bottom: 16px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-author .avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .testimonial-author .info {
            font-weight: 600;
        }
        .testimonial-author .info small {
            color: var(--text-muted);
            font-weight: 400;
        }
        /* Comparison table */
        .comparison-table {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .comparison-table .table {
            margin-bottom: 0;
            color: var(--text-primary);
        }
        .comparison-table .table th,
        .comparison-table .table td {
            padding: 16px 20px;
            border-color: var(--border-subtle);
            vertical-align: middle;
        }
        .comparison-table .table thead th {
            background: rgba(37, 99, 235, 0.1);
            font-weight: 700;
            color: var(--accent-light);
        }
        .comparison-table .table tbody tr:hover {
            background: rgba(37, 99, 235, 0.05);
        }
        .fa-check-circle {
            color: #10B981;
        }
        .fa-times-circle {
            color: #EF4444;
        }
        /* News list */
        .news-item {
            display: flex;
            gap: 16px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px;
            margin-bottom: 16px;
            transition: all 0.3s;
            align-items: center;
        }
        .news-item:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .news-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-content {
            flex: 1;
        }
        .news-content h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .news-content p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            margin-bottom: 4px;
        }
        .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .news-meta i {
            margin-right: 4px;
        }
        /* FAQ */
        .accordion-item {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-button {
            background: var(--bg-elevated);
            color: var(--text-primary);
            font-weight: 600;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(37, 99, 235, 0.1);
            color: var(--accent-cyan);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-glow);
        }
        .accordion-button::after {
            filter: invert(1);
        }
        .accordion-body {
            padding: 18px 22px;
            color: var(--text-secondary);
        }
        /* Trust badges */
        .trust-item {
            text-align: center;
            padding: 20px;
        }
        .trust-icon {
            font-size: 2rem;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }
        .trust-item h5 {
            font-weight: 700;
            margin-bottom: 8px;
        }
        .trust-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, #1e3a8a, #0ea5e9);
            border-radius: var(--radius-lg);
            padding: 50px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.9);
            margin-bottom: 24px;
        }
        /* Fixed bottom bar */
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-elevated);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-subtle);
            padding: 10px 20px;
            z-index: 1050;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .fixed-bottom-bar .text {
            font-weight: 600;
            color: var(--text-primary);
        }
        .fixed-bottom-bar .text small {
            display: block;
            font-size: 0.8rem;
            color: var(--text-secondary);
            font-weight: 400;
        }
        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-description {
                font-size: 1rem;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .fixed-bottom-bar {
                flex-direction: column;
                text-align: center;
                padding: 10px;
            }
            .fixed-bottom-bar .btn {
                width: 100%;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .cta-section {
                padding: 30px 20px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-thumb {
                width: 100%;
                height: auto;
                max-height: 160px;
                margin-bottom: 10px;
            }
        }
        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-logo span {
            color: var(--accent-cyan);
        }
        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            max-width: 400px;
        }
        .footer-link {
            display: block;
            color: var(--text-secondary);
            margin-bottom: 8px;
            transition: color 0.2s;
        }
        .footer-link:hover {
            color: var(--accent-light);
        }
        .payment-methods {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .payment-badge {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
        }
        .copyright {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            margin-top: 30px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

/* roulang page: article */
:root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-elevated: rgba(8, 18, 41, 0.85);
            --bg-glass: rgba(3, 7, 18, 0.7);
            --accent: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-light: #60A5FA;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(56, 189, 248, 0.25);
            --border-glow: rgba(37, 99, 235, 0.6);
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 12px rgba(56, 189, 248, 0.15);
            --shadow-btn-glow: 0 0 18px rgba(37, 99, 235, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-2xl: 64px;
            --font-sans: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-sans);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent-light);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
        }
        a:hover,
        a:focus {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        /* Navbar */
        .navbar {
            background: var(--bg-elevated);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 10px 0;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1;
        }
        .navbar-brand span {
            color: var(--accent-cyan);
        }
        .navbar-brand i {
            color: #FCD34D;
            font-size: 1.25rem;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all 0.2s;
            font-size: 0.95rem;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent-light);
            background: rgba(37, 99, 235, 0.2);
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
        }
        .btn-outline-login {
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            transition: all 0.2s;
            font-size: 0.9rem;
        }
        .btn-outline-login:hover,
        .btn-outline-login:focus {
            background: rgba(56, 189, 248, 0.15);
            color: var(--text-primary);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
        }
        .btn-solid-signup {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border: none;
            padding: 8px 24px;
            border-radius: 20px;
            font-weight: 700;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.5);
            font-size: 0.9rem;
        }
        .btn-solid-signup:hover,
        .btn-solid-signup:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.7);
            color: #fff;
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }
        .navbar-toggler {
            border: none;
            color: var(--text-primary);
            padding: 4px 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--bg-secondary);
                border-radius: 0 0 12px 12px;
                padding: 16px;
                border: 1px solid var(--border-subtle);
                border-top: none;
            }
            .navbar-nav {
                margin-bottom: 10px;
            }
        }

        /* Article Hero */
        .article-hero {
            position: relative;
            background: url('/assets/images/0472f9fffca12243.jpg') center center / cover no-repeat;
            min-height: 480px;
            display: flex;
            align-items: center;
            padding: 140px 0 60px;
            overflow: hidden;
        }
        .article-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(3, 7, 18, 0.75) 0%, rgba(3, 7, 18, 0.9) 100%);
        }
        .article-hero-content {
            position: relative;
            z-index: 2;
            max-width: 850px;
        }
        .breadcrumb-article {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .breadcrumb-article a {
            color: var(--text-secondary);
            transition: color 0.2s;
        }
        .breadcrumb-article a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb-sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }
        .breadcrumb-current {
            color: var(--accent-light);
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 260px;
        }
        .article-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 16px;
        }
        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid var(--border-subtle);
            color: var(--accent-cyan);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }
        .tag-badge-date {
            background: rgba(3, 7, 18, 0.6);
            border-color: rgba(148, 163, 184, 0.3);
            color: var(--text-secondary);
        }
        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.65);
            color: var(--text-primary);
        }
        .article-hero-summary {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.65;
        }

        /* Main Content Layout */
        .article-main {
            padding: 40px 0 60px;
            background: var(--bg-primary);
        }
        .article-body {
            font-size: 1.02rem;
            color: #dbeafe;
            line-height: 1.7;
            max-width: 820px;
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 32px 0 14px;
            line-height: 1.3;
            scroll-margin-top: 90px;
        }
        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 650;
            color: var(--text-primary);
            margin: 24px 0 10px;
            line-height: 1.35;
        }
        .article-body p {
            margin-bottom: 18px;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: 18px;
            color: #dbeafe;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-card);
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent-cyan);
            background: rgba(37, 99, 235, 0.08);
            padding: 18px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .article-body th,
        .article-body td {
            padding: 12px 14px;
            border: 1px solid var(--border-subtle);
            text-align: left;
        }
        .article-body th {
            background: rgba(37, 99, 235, 0.15);
            color: var(--text-primary);
            font-weight: 600;
        }
        .article-body td {
            color: var(--text-secondary);
        }
        .article-body a {
            border-bottom: 1px dashed var(--accent-light);
            color: var(--accent-light);
        }
        .article-body a:hover {
            border-bottom-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        /* Pull Quote */
        .pull-quote-wrapper {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(56, 189, 248, 0.08));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            margin: 32px 0;
            position: relative;
        }
        .pull-quote-icon {
            font-size: 2.5rem;
            color: var(--accent-cyan);
            opacity: 0.35;
            position: absolute;
            top: 10px;
            left: 16px;
        }
        .pull-quote-text {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.55;
            margin: 0 0 8px 32px;
        }
        .pull-quote-source {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-left: 32px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .pull-quote-source i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
        }

        /* Section Header */
        .section-header {
            margin-bottom: 32px;
        }
        .section-kicker {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.15);
            border: 1px solid var(--border-subtle);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 750;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 10px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.65;
        }

        /* Category Entry Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 8px;
        }
        .category-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            text-decoration: none;
            color: var(--text-primary);
        }
        .category-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card);
            color: var(--text-primary);
        }
        .category-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-subtle);
        }
        .category-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .category-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.6;
            flex: 1;
        }
        .category-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.25s ease;
        }
        .category-card:hover .category-card-link {
            gap: 10px;
        }

        /* FAQ */
        .faq-section {
            padding: 50px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .accordion-item {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            padding: 16px 20px;
            font-size: 0.98rem;
            border: none;
            box-shadow: none;
            transition: all 0.2s;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(37, 99, 235, 0.12);
            color: var(--accent-cyan);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
            border-color: var(--accent-cyan);
        }
        .accordion-button::after {
            filter: invert(1) brightness(0.8);
        }
        .accordion-body {
            background: rgba(3, 7, 18, 0.5);
            color: var(--text-secondary);
            padding: 16px 20px;
            font-size: 0.92rem;
            line-height: 1.65;
        }

        /* CTA Section */
        .cta-section {
            padding: 60px 0;
            background: var(--bg-primary);
        }
        .cta-box {
            background: linear-gradient(135deg, #0B1E3F 0%, #0E2A56 50%, #081229 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: -60%;
            left: -20%;
            width: 60%;
            height: 220%;
            background: radial-gradient(ellipse, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
            transform: rotate(25deg);
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 580px;
            margin: 0 auto 24px;
            line-height: 1.65;
            position: relative;
            z-index: 1;
        }
        .btn-cta-primary {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all 0.3s;
            box-shadow: 0 6px 25px rgba(37, 99, 235, 0.55);
            position: relative;
            z-index: 1;
        }
        .btn-cta-primary:hover,
        .btn-cta-primary:focus {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(37, 99, 235, 0.75);
            color: #fff;
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }
        .btn-cta-secondary {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s;
            position: relative;
            z-index: 1;
        }
        .btn-cta-secondary:hover,
        .btn-cta-secondary:focus {
            background: rgba(56, 189, 248, 0.15);
            color: var(--text-primary);
            box-shadow: 0 6px 20px rgba(56, 189, 248, 0.35);
        }
        .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        /* Trust Bar */
        .trust-bar {
            padding: 32px 0;
            background: var(--bg-primary);
            border-top: 1px solid rgba(148, 163, 184, 0.12);
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 8px 0;
        }
        .trust-item i {
            color: var(--accent-cyan);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        /* Not Found */
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
        }
        .not-found-box i {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .not-found-box h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .not-found-box p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .footer-logo {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-logo span {
            color: var(--accent-cyan);
        }
        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.65;
            max-width: 400px;
        }
        .footer h5 {
            color: var(--text-primary);
            font-size: 1rem;
        }
        .footer-link {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 10px;
            transition: all 0.2s;
        }
        .footer-link:hover {
            color: var(--accent-cyan);
            transform: translateX(3px);
        }
        .payment-methods {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .payment-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(37, 99, 235, 0.12);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        .payment-badge i {
            color: var(--accent-cyan);
        }
        .copyright {
            border-top: 1px solid rgba(148, 163, 184, 0.15);
            margin-top: 32px;
            padding-top: 20px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .article-hero {
                min-height: 380px;
                padding: 120px 0 40px;
            }
            .article-hero h1 {
                font-size: 1.9rem;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-box {
                padding: 36px 24px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 767.98px) {
            .article-hero {
                min-height: auto;
                padding: 100px 0 32px;
            }
            .article-hero h1 {
                font-size: 1.55rem;
            }
            .article-hero-summary {
                font-size: 0.95rem;
            }
            .article-body {
                font-size: 0.96rem;
            }
            .article-body h2 {
                font-size: 1.35rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .breadcrumb-current {
                max-width: 160px;
            }
            .pull-quote-wrapper {
                padding: 20px 18px;
            }
            .pull-quote-text {
                font-size: 1.05rem;
                margin-left: 24px;
            }
            .pull-quote-source {
                margin-left: 24px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.35rem;
            }
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                width: 100%;
                text-align: center;
            }
            .cta-btn-group {
                flex-direction: column;
            }
            .tag-badge {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-elevated: rgba(8, 18, 41, 0.85);
            --bg-glass: rgba(3, 7, 18, 0.7);
            --accent: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-light: #60A5FA;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(56, 189, 248, 0.25);
            --border-glow: rgba(37, 99, 235, 0.6);
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 12px rgba(56, 189, 248, 0.15);
            --shadow-btn-glow: 0 0 18px rgba(37, 99, 235, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-2xl: 64px;
            --font-sans: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
        }

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

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-sans);
            line-height: 1.6;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

        a {
            color: var(--accent-light);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        .navbar {
            background: var(--bg-elevated);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 10px 0;
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all 0.2s;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }

        .navbar-nav .nav-link.active {
            color: var(--accent-light);
            background: rgba(37, 99, 235, 0.2);
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
        }

        .btn-outline-login {
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            transition: all 0.2s;
        }

        .btn-outline-login:hover,
        .btn-outline-login:focus {
            background: rgba(56, 189, 248, 0.15);
            color: var(--text-primary);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
        }

        .btn-solid-signup {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border: none;
            padding: 8px 24px;
            border-radius: 20px;
            font-weight: 700;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.5);
        }

        .btn-solid-signup:hover,
        .btn-solid-signup:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.7);
            color: #fff;
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }

        .navbar-toggler {
            border: none;
            color: var(--text-primary);
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--bg-secondary);
                border-radius: 0 0 12px 12px;
                padding: 16px;
                border: 1px solid var(--border-subtle);
                border-top: none;
            }
            .navbar-nav {
                margin-bottom: 10px;
            }
        }

        /* Category Page Specific Styles */
        .cat-hero {
            position: relative;
            background: url('/assets/images/cc8001238b98b05b.jpg') center center / cover no-repeat;
            min-height: 68vh;
            display: flex;
            align-items: center;
            padding: 130px 0 60px;
            overflow: hidden;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(100deg, rgba(3,7,18,0.95) 25%, rgba(3,7,18,0.55) 65%, rgba(3,7,18,0.85) 100%);
        }

        .cat-hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .cat-hero-badge {
            display: inline-block;
            background: rgba(37, 99, 235, 0.25);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 6px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.88rem;
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
            letter-spacing: 0.3px;
        }

        .cat-hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.22;
            margin-bottom: 22px;
            text-shadow: 0 4px 18px rgba(0,0,0,0.7);
        }

        .cat-hero-title span {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.22);
            padding: 0 10px;
            border-radius: 8px;
            display: inline-block;
        }

        .cat-hero-desc {
            font-size: 1.12rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            max-width: 580px;
            line-height: 1.7;
        }

        .cat-hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            margin-bottom: 22px;
        }

        .btn-primary-glow {
            background: linear-gradient(135deg, #1d4ed8, #38BDF8);
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all 0.35s;
            box-shadow: 0 6px 24px rgba(37, 99, 235, 0.55), 0 0 18px rgba(56, 189, 248, 0.3);
            letter-spacing: 0.3px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-glow:hover,
        .btn-primary-glow:focus {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(37, 99, 235, 0.75), 0 0 28px rgba(56, 189, 248, 0.5);
            color: #fff;
            background: linear-gradient(135deg, #1e40af, #0ea5e9);
        }

        .btn-secondary-outline {
            border: 1px solid rgba(56, 189, 248, 0.55);
            color: var(--accent-cyan);
            background: rgba(3, 7, 18, 0.6);
            padding: 14px 28px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s;
            backdrop-filter: blur(8px);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary-outline:hover,
        .btn-secondary-outline:focus {
            background: rgba(56, 189, 248, 0.18);
            color: #fff;
            border-color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
        }

        .cat-trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .cat-trust-strip span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cat-trust-strip i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
        }

        .cat-section {
            padding: var(--spacing-2xl) 0;
            position: relative;
        }

        .cat-section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(56, 189, 248, 0.1);
            border-bottom: 1px solid rgba(56, 189, 248, 0.1);
        }

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

        .cat-section-heading h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .cat-section-heading h2 span {
            color: var(--accent-cyan);
        }

        .cat-section-heading p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 700px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .benefit-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .benefit-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent), var(--accent-cyan));
            opacity: 0;
            transition: opacity 0.35s ease;
        }

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

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

        .benefit-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid rgba(56, 189, 248, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-cyan);
            margin-bottom: 18px;
            transition: all 0.3s;
        }

        .benefit-card:hover .benefit-icon {
            background: rgba(37, 99, 235, 0.35);
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.35);
        }

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

        .benefit-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .promo-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center;
        }

        .promo-detail-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            position: relative;
        }

        .promo-detail-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .promo-detail-image:hover img {
            transform: scale(1.03);
        }

        .promo-detail-content h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .promo-detail-content h3 span {
            color: var(--accent-cyan);
        }

        .promo-detail-content p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.7;
            font-size: 1rem;
        }

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

        .promo-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .promo-list li i {
            color: var(--accent-cyan);
            font-size: 1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .step-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 10px;
        }

        .step-item {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: left;
            position: relative;
            transition: all 0.3s ease;
        }

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

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1d4ed8, #38BDF8);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 14px;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.4);
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .step-item p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            margin-bottom: 0;
            line-height: 1.6;
        }

        .data-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 10px;
        }

        .data-stat-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: left;
            transition: all 0.3s;
        }

        .data-stat-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card);
        }

        .data-stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 6px;
            line-height: 1.2;
        }

        .data-stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
        }

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

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(56, 189, 248, 0.12);
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }

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

        .compare-list li i {
            color: var(--accent-cyan);
            font-size: 1.1rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

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

        .news-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .news-card-body {
            padding: 22px 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-card-category {
            font-size: 0.78rem;
            color: var(--accent-cyan);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 10px;
            display: inline-block;
        }

        .news-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .news-card-excerpt {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .news-card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-card-meta i {
            color: var(--accent-cyan);
        }

        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            color: var(--text-primary);
            font-size: 1rem;
            gap: 16px;
        }

        .faq-question i {
            color: var(--accent-cyan);
            transition: transform 0.3s;
            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;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px;
        }

        .guarantee-strip {
            background: linear-gradient(135deg, rgba(3,7,18,0.9), rgba(8,18,41,0.95));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .guarantee-left {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .guarantee-icon {
            width: 64px;
            height: 64px;
            border-radius: 20px;
            background: rgba(37, 99, 235, 0.25);
            border: 1px solid rgba(56, 189, 248, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 25px rgba(56, 189, 248, 0.25);
        }

        .guarantee-left h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .guarantee-left p {
            color: var(--text-secondary);
            margin-bottom: 0;
            font-size: 0.95rem;
            max-width: 450px;
            line-height: 1.6;
        }

        .guarantee-cta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: var(--bg-elevated);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-subtle);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.6);
        }

        .bottom-cta-bar .cta-text {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .bottom-cta-bar .btn-cta-small {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.3s;
            box-shadow: 0 4px 18px rgba(37, 99, 235, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .bottom-cta-bar .btn-cta-small:hover,
        .bottom-cta-bar .btn-cta-small:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(37, 99, 235, 0.7);
            color: #fff;
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }

        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 110px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: rgba(3, 7, 18, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-cyan);
            cursor: pointer;
            transition: all 0.35s ease;
            position: relative;
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.35), 0 8px 25px rgba(0, 0, 0, 0.5);
            animation: fabPulse 3s infinite ease-in-out;
        }

        .fab-support::before {
            content: "";
            position: absolute;
            inset: -2px;
            border-radius: 18px;
            background: linear-gradient(135deg, #38BDF8, #2563EB, #38BDF8);
            z-index: -1;
            opacity: 0.7;
            transition: opacity 0.3s;
        }

        .fab-support:hover {
            animation-play-state: paused;
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 0 35px rgba(56, 189, 248, 0.6), 0 10px 30px rgba(0, 0, 0, 0.6);
        }

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

        .fab-support .notification-dot {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: #F43F5E;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: dotBlink 1.8s infinite;
        }

        @keyframes fabPulse {
            0%, 100% {
                opacity: 0.78;
                transform: translateY(0);
            }
            50% {
                opacity: 0.95;
                transform: translateY(-6px);
            }
        }

        @keyframes dotBlink {
            0%, 100% {
                opacity: 1;
                box-shadow: 0 0 8px rgba(244, 63, 94, 0.8);
            }
            50% {
                opacity: 0.5;
                box-shadow: 0 0 2px rgba(244, 63, 94, 0.3);
            }
        }

        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(56, 189, 248, 0.15);
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .footer-logo {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-logo span {
            color: var(--accent-cyan);
        }

        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 400px;
        }

        .footer h5 {
            color: var(--text-primary);
            font-size: 1.05rem;
            margin-bottom: 16px;
        }

        .footer-link {
            display: block;
            color: var(--text-secondary);
            font-size: 0.92rem;
            padding: 6px 0;
            transition: all 0.2s;
        }

        .footer-link:hover {
            color: var(--accent-cyan);
            padding-left: 6px;
        }

        .payment-methods {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .payment-badge {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s;
        }

        .payment-badge:hover {
            border-color: var(--border-glow);
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.2);
        }

        .payment-badge i {
            color: var(--accent-cyan);
        }

        .copyright {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(56, 189, 248, 0.12);
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        @media (max-width: 991.98px) {
            .cat-hero-title {
                font-size: 2.2rem;
            }
            .cat-hero-desc {
                font-size: 1rem;
            }
            .promo-detail-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .step-flow {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .data-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .news-list-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 767.98px) {
            .cat-hero {
                min-height: 60vh;
                padding: 110px 0 48px;
            }
            .cat-hero-title {
                font-size: 1.8rem;
            }
            .cat-hero-badge {
                font-size: 0.8rem;
                padding: 5px 14px;
            }
            .btn-primary-glow {
                padding: 12px 26px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
            .btn-secondary-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .cat-section {
                padding: 48px 0;
            }
            .cat-section-heading h2 {
                font-size: 1.6rem;
            }
            .step-flow {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .data-stats {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .news-list-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .guarantee-strip {
                padding: 28px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .guarantee-cta {
                width: 100%;
            }
            .guarantee-cta .btn {
                flex: 1;
                text-align: center;
                justify-content: center;
            }
            .bottom-cta-bar {
                padding: 10px 14px;
                gap: 10px;
            }
            .bottom-cta-bar .cta-text {
                font-size: 0.85rem;
            }
            .bottom-cta-bar .btn-cta-small {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
            .fab-support {
                width: 48px;
                height: 48px;
                border-radius: 14px;
                font-size: 1.2rem;
                left: 10px;
                bottom: 100px;
            }
            .fab-support::before {
                border-radius: 14px;
            }
        }

        @media (max-width: 520px) {
            .cat-hero {
                min-height: 56vh;
                padding: 100px 0 40px;
            }
            .cat-hero-title {
                font-size: 1.5rem;
            }
            .cat-hero-desc {
                font-size: 0.92rem;
            }
            .cat-hero-cta {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary-glow,
            .btn-secondary-outline {
                width: 100%;
                justify-content: center;
            }
            .cat-trust-strip {
                gap: 10px;
                font-size: 0.78rem;
            }
            .cat-section-heading h2 {
                font-size: 1.4rem;
            }
            .data-stat-value {
                font-size: 1.6rem;
            }
            .bottom-cta-bar {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .bottom-cta-bar .btn-cta-small {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-elevated: rgba(8, 18, 41, 0.85);
            --bg-glass: rgba(3, 7, 18, 0.7);
            --accent: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-light: #60A5FA;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(56, 189, 248, 0.25);
            --border-glow: rgba(37, 99, 235, 0.6);
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 12px rgba(56, 189, 248, 0.15);
            --shadow-btn-glow: 0 0 18px rgba(37, 99, 235, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-2xl: 64px;
            --font-sans: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-sans);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1 0 auto;
            padding-bottom: 90px;
        }

        a {
            color: var(--accent-light);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease;
        }

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

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
        }

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

        .container {
            max-width: 1200px;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        /* Header / Nav */
        .navbar {
            background: var(--bg-elevated);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 10px 0;
            z-index: 1030;
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

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

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all 0.2s;
            font-size: 0.95rem;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }

        .navbar-nav .nav-link.active {
            color: var(--accent-light);
            background: rgba(37, 99, 235, 0.2);
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
        }

        .btn-outline-login {
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            transition: all 0.2s;
            white-space: nowrap;
        }

        .btn-outline-login:hover,
        .btn-outline-login:focus {
            background: rgba(56, 189, 248, 0.15);
            color: var(--text-primary);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
        }

        .btn-solid-signup {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border: none;
            padding: 8px 24px;
            border-radius: 20px;
            font-weight: 700;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.5);
            white-space: nowrap;
        }

        .btn-solid-signup:hover,
        .btn-solid-signup:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.7);
            color: #fff;
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }

        .navbar-toggler {
            border: none;
            color: var(--text-primary);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-toggler i {
            font-size: 1.3rem;
        }

        /* Hero */
        .hero-category-section {
            position: relative;
            background: url('/assets/images/9860189e8f0a2b3b.jpg') center center / cover no-repeat;
            min-height: 78vh;
            display: flex;
            align-items: center;
            padding: 130px 0 70px;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-category-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, rgba(3, 7, 18, 0.95) 25%, rgba(3, 7, 18, 0.68) 60%, rgba(3, 7, 18, 0.9) 100%);
            z-index: 1;
        }

        .hero-category-content {
            position: relative;
            z-index: 2;
            max-width: 660px;
        }

        .hero-category-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(37, 99, 235, 0.22);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 7px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-category-content .hero-badge i {
            font-size: 0.8rem;
        }

        .hero-category-content h1 {
            font-size: 2.9rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 0 4px 15px rgba(0, 0, 0, 0.65);
            letter-spacing: -0.5px;
        }

        .hero-category-content h1 .text-gradient {
            color: var(--accent-cyan);
            background: linear-gradient(90deg, #2563EB, #38BDF8);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-category-description {
            font-size: 1.12rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 600px;
        }

        .hero-category-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border: none;
            padding: 13px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.02rem;
            transition: all 0.3s;
            box-shadow: 0 6px 25px rgba(37, 99, 235, 0.55);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-hero-primary:hover,
        .btn-hero-primary:focus {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(37, 99, 235, 0.75);
            color: #fff;
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
        }

        .btn-hero-secondary {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            transition: all 0.3s;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-hero-secondary:hover,
        .btn-hero-secondary:focus {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(56, 189, 248, 0.35);
        }

        .hero-category-panel-container {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: flex-end;
        }

        .hero-category-panel {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            max-width: 370px;
            width: 100%;
            box-shadow: var(--shadow-card);
        }

        .hero-category-panel .panel-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
        }

        .hero-category-panel .panel-title i {
            color: var(--accent-cyan);
        }

        .hero-category-panel .panel-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(56, 189, 248, 0.12);
            font-size: 0.92rem;
        }

        .hero-category-panel .panel-item:last-child {
            border-bottom: none;
        }

        .hero-category-panel .panel-item-left {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
        }

        .hero-category-panel .panel-item-left i {
            color: var(--accent-cyan);
            width: 20px;
            text-align: center;
        }

        .hero-category-panel .panel-item-right {
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.88rem;
        }

        /* General section */
        .section-block {
            padding: var(--spacing-2xl) 0;
            position: relative;
        }

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

        .section-label {
            display: inline-block;
            background: rgba(37, 99, 235, 0.15);
            border: 1px solid var(--border-subtle);
            color: var(--accent-cyan);
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .section-heading {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .section-subheading {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 750px;
        }

        /* Glass cards */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
            height: 100%;
        }

        .glass-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-5px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(56, 189, 248, 0.25);
        }

        .glass-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            margin-bottom: 18px;
            transition: all 0.3s;
        }

        .glass-card:hover .card-icon {
            background: rgba(37, 99, 235, 0.35);
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
        }

        .glass-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .glass-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Steps flow */
        .steps-wrapper {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            align-items: start;
        }

        .step-item {
            position: relative;
            padding: var(--spacing-lg);
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all 0.3s;
            min-height: 180px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .step-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(56, 189, 248, 0.25);
        }

        .step-number {
            font-size: 0.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .step-number i {
            font-size: 1.2rem;
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }

        .step-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }

        .payment-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: var(--spacing-xl);
        }

        .payment-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(37, 99, 235, 0.15);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 10px 18px;
            border-radius: 28px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: all 0.3s;
        }

        .payment-pill i {
            color: var(--accent-cyan);
            font-size: 1.1rem;
        }

        .payment-pill:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.35);
            color: var(--text-primary);
        }

        /* Comparison */
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--bg-glass);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        .comparison-table thead th {
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-subtle);
            text-align: left;
        }

        .comparison-table tbody td {
            padding: 15px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(56, 189, 248, 0.1);
        }

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

        .comparison-table .col-highlight {
            background: rgba(37, 99, 235, 0.12);
            color: var(--text-primary);
            font-weight: 600;
        }

        .comparison-table thead th:first-child {
            width: 30%;
        }

        .comparison-table .fa-check {
            color: #10B981;
        }

        .comparison-table .fa-xmark {
            color: #EF4444;
        }

        /* Reviews */
        .review-card {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s;
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .review-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-3px);
        }

        .review-stars {
            display: flex;
            gap: 4px;
            color: #FACC15;
            font-size: 0.85rem;
        }

        .review-text {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.65;
            flex-grow: 1;
            margin: 0;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-primary);
            font-weight: 600;
        }

        .review-author i {
            color: var(--accent-cyan);
        }

        /* CMS list */
        .cms-article-card {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: all 0.3s;
            height: 100%;
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .cms-article-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-4px);
            box-shadow: 0 14px 35px rgba(0, 0, 0, 0.55), 0 0 18px rgba(56, 189, 248, 0.25);
        }

        .cms-article-card .stretched-link {
            display: flex;
            flex-direction: column;
            gap: 10px;
            color: inherit;
            text-decoration: none;
            flex-grow: 1;
        }

        .cms-article-card .stretched-link:hover,
        .cms-article-card .stretched-link:focus {
            color: inherit;
        }

        .cms-category {
            display: inline-block;
            background: rgba(37, 99, 235, 0.18);
            color: var(--accent-light);
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            width: fit-content;
        }

        .cms-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.4;
        }

        .cms-summary {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.6;
            margin: 0;
            flex-grow: 1;
        }

        .cms-date {
            color: var(--text-muted);
            font-size: 0.78rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* FAQ */
        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-button {
            background: transparent !important;
            color: var(--text-primary) !important;
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 20px;
            box-shadow: none !important;
            transition: all 0.2s;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(37, 99, 235, 0.12) !important;
            color: var(--accent-cyan) !important;
            box-shadow: none !important;
        }

        .accordion-button::after {
            filter: invert(0.7) sepia(1) saturate(3) hue-rotate(170deg);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.4) !important;
        }

        .accordion-body {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            padding: 16px 20px 20px;
        }

        /* Trust bar */
        .trust-bar {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 36px 0;
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px;
            background: var(--bg-glass);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            transition: all 0.3s;
        }

        .trust-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.25);
        }

        .trust-item i {
            font-size: 1.5rem;
            color: var(--accent-cyan);
            width: 40px;
            text-align: center;
        }

        .trust-item span {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        /* Sticky CTA */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(3, 7, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-glow);
            padding: 12px 0;
            box-shadow: 0 -6px 25px rgba(0, 0, 0, 0.6);
        }

        .sticky-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .sticky-cta-text {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.92rem;
            color: var(--text-secondary);
        }

        .sticky-cta-text i {
            color: #FACC15;
            font-size: 1.2rem;
        }

        .sticky-cta-buttons {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .btn-sticky-primary {
            background: linear-gradient(135deg, #2563EB, #38BDF8);
            color: #fff;
            border: none;
            padding: 10px 26px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 18px rgba(37, 99, 235, 0.55);
            transition: all 0.3s;
            white-space: nowrap;
        }

        .btn-sticky-primary:hover,
        .btn-sticky-primary:focus {
            transform: translateY(-2px);
            background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
            color: #fff;
            box-shadow: 0 8px 28px rgba(37, 99, 235, 0.7);
        }

        .btn-sticky-outline {
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s;
            white-space: nowrap;
        }

        .btn-sticky-outline:hover,
        .btn-sticky-outline:focus {
            background: rgba(56, 189, 248, 0.15);
            color: var(--text-primary);
            border-color: var(--accent-cyan);
        }

        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 28px;
            flex-shrink: 0;
        }

        .footer-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo span {
            color: var(--accent-cyan);
        }

        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 380px;
        }

        .footer h5 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-link {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: all 0.2s;
        }

        .footer-link:hover,
        .footer-link:focus {
            color: var(--accent-cyan);
            padding-left: 6px;
        }

        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(37, 99, 235, 0.12);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin: 4px 4px 4px 0;
            transition: all 0.2s;
        }

        .payment-badge i {
            color: var(--accent-cyan);
        }

        .payment-badge:hover {
            border-color: var(--accent-cyan);
        }

        .copyright {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(56, 189, 248, 0.15);
            color: var(--text-muted);
            font-size: 0.82rem;
            line-height: 1.6;
        }

        /* FAB */
        .fab-custom {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #07070D, #0E0E1E);
            border: 2px solid #06B6D4;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #A3E635;
            text-decoration: none;
            transition: all 0.3s;
            opacity: 0.8;
            animation: fabPulse 2.5s ease-in-out infinite;
        }

        .fab-custom:hover,
        .fab-custom:focus {
            opacity: 1;
            transform: scale(1.1);
            color: #A3E635;
            box-shadow: 0 0 35px rgba(6, 182, 212, 0.7);
        }

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

        @keyframes fabPulse {
            0%, 100% {
                box-shadow: 0 0 20px rgba(6, 182, 212, 0.35);
            }
            50% {
                box-shadow: 0 0 32px rgba(6, 182, 212, 0.65);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .steps-wrapper {
                grid-template-columns: repeat(2, 1fr);
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-category-content h1 {
                font-size: 2.4rem;
            }
            .hero-category-panel-container {
                justify-content: flex-start;
                margin-top: 32px;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--bg-secondary);
                border-radius: 0 0 12px 12px;
                padding: 16px;
                border: 1px solid var(--border-subtle);
                border-top: none;
                margin-top: 8px;
            }
            .navbar-nav {
                margin-bottom: 10px;
            }
            .hero-category-section {
                min-height: auto;
                padding: 110px 0 50px;
            }
            .hero-category-content h1 {
                font-size: 2.1rem;
            }
            .section-block {
                padding: 48px 0;
            }
            .section-heading {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .hero-category-content h1 {
                font-size: 1.85rem;
            }
            .hero-category-description {
                font-size: 1rem;
            }
            .hero-category-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                justify-content: center;
                width: 100%;
            }
            .steps-wrapper {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .trust-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .comparison-table {
                font-size: 0.78rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
            .sticky-cta-bar .container {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                padding: 8px 16px;
            }
            .sticky-cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-sticky-primary,
            .btn-sticky-outline {
                width: 100%;
                text-align: center;
            }
            .sticky-cta-text {
                font-size: 0.82rem;
                text-align: center;
                justify-content: center;
            }
            .fab-custom {
                left: 12px;
                bottom: 130px;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
            main {
                padding-bottom: 140px;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 1.2rem;
            }
            .hero-category-content h1 {
                font-size: 1.55rem;
            }
            .section-heading {
                font-size: 1.4rem;
            }
            .hero-category-panel {
                padding: 22px 18px;
            }
            .glass-card {
                padding: 22px 18px;
            }
            .review-card {
                padding: 18px 16px;
            }
            .cms-article-card {
                padding: 18px 16px;
            }
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .section-block {
                padding: 36px 0;
            }
            .payment-pill {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}