/* roulang page: index */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #9A9A9E;
            --border-subtle: rgba(197, 160, 89, 0.15);
            --border-active: rgba(197, 160, 89, 0.5);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 40px rgba(197, 160, 89, 0.2);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .navbar-custom {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all var(--transition-smooth);
        }

        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text i {
            font-size: 1.6rem;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: var(--text-muted);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.08);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(197, 160, 89, 0.12);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: var(--bg-primary);
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 700;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.35);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 191, 0, 0.5);
            color: var(--bg-primary);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }

        @media (max-width: 992px) {
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--bg-secondary);
                border-radius: var(--radius-md);
                margin-top: 14px;
                padding: 14px;
                gap: 4px;
            }

            .nav-links.open {
                display: flex;
            }

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

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

        .hero-section {
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 70px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 70%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(197, 160, 89, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .hero-main-block {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-subtle);
        }

        .hero-main-block h1 {
            font-size: 2.7rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 18px;
        }

        .hero-main-block h1 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-main-block .hero-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 28px;
            line-height: 1.65;
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-gold {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: var(--bg-primary);
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
        }

        .btn-primary-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(255, 191, 0, 0.55);
        }

        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .btn-outline-gold:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }

        .hero-side-blocks {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .hero-feature-card {
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            gap: 18px;
            transition: all var(--transition-smooth);
        }

        .hero-feature-card:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-hover);
        }

        .hero-feature-icon {
            width: 52px;
            height: 52px;
            background: rgba(197, 160, 89, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
        }

        .hero-feature-text h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

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

        .hero-cta-strip {
            background: linear-gradient(90deg, rgba(197, 160, 89, 0.08) 0%, rgba(255, 191, 0, 0.04) 100%);
            border-radius: var(--radius-md);
            padding: 16px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border: 1px solid var(--border-subtle);
        }

        .hero-cta-strip span {
            font-weight: 700;
            color: var(--accent-gold);
        }

        @media (max-width: 768px) {
            .hero-bento {
                grid-template-columns: 1fr;
            }

            .hero-main-block h1 {
                font-size: 2rem;
            }

            .hero-cta-strip {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            text-align: left;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 40px;
            text-align: left;
            max-width: 700px;
            line-height: 1.6;
        }

        .live-stream-section {
            background: var(--bg-secondary);
            padding: 60px 0;
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .stream-cover-card {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            border: 1px solid var(--border-subtle);
        }

        .stream-cover-img {
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 280px;
            position: relative;
        }

        .stream-cover-img .live-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: #D32F2F;
            color: #fff;
            padding: 6px 16px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .stream-cover-img .live-badge::before {
            content: '';
            width: 10px;
            height: 10px;
            background: #fff;
            border-radius: 50%;
            animation: pulse 1.5s infinite;
        }

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

        .stream-info {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .stream-info h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .stream-info .countdown {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: 14px;
        }

        .stream-info p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        @media (max-width: 768px) {
            .stream-cover-card {
                grid-template-columns: 1fr;
            }
        }

        .highlights-section {
            padding: 60px 0;
            background: var(--bg-primary);
        }

        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }

        .highlight-item {
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .highlight-item:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-hover);
        }

        .highlight-icon {
            font-size: 1.8rem;
            color: var(--accent-gold);
            flex-shrink: 0;
        }

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

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

        .news-section {
            padding: 60px 0;
            background: var(--bg-secondary);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-list a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            background: var(--bg-tertiary);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
        }

        .news-list a:hover {
            border-color: var(--border-active);
            background: var(--bg-secondary);
        }

        .news-list .news-title {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
        }

        .news-list .news-date {
            color: var(--text-muted);
            font-size: 0.8rem;
            white-space: nowrap;
            margin-left: 14px;
        }

        .news-recommend {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-subtle);
        }

        .news-recommend h4 {
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .recommend-card {
            background: var(--bg-primary);
            border-radius: var(--radius-sm);
            padding: 18px;
            margin-bottom: 14px;
        }

        .recommend-card h5 {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
        }

        .recommend-card p {
            color: var(--text-muted);
            font-size: 0.8rem;
            margin: 0;
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }

        .subscribe-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
            text-align: left;
        }

        .subscribe-card {
            background: rgba(197, 160, 89, 0.06);
            border-radius: var(--radius-lg);
            padding: 48px;
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }

        .subscribe-text {
            flex: 1;
            min-width: 260px;
        }

        .subscribe-text h3 {
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .subscribe-text p {
            color: var(--text-muted);
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            background: var(--bg-primary);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 12px 20px;
            border-radius: 50px;
            min-width: 240px;
            outline: none;
        }

        .subscribe-form input:focus {
            border-color: var(--accent-gold);
        }

        .faq-section {
            padding: 60px 0;
            background: var(--bg-primary);
        }

        .faq-item {
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 14px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

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

        .faq-question {
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            color: var(--text-muted);
            margin-top: 12px;
            display: none;
            line-height: 1.6;
        }

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

        .faq-icon {
            color: var(--accent-gold);
            transition: transform var(--transition-fast);
        }

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

        .footer-section {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 28px;
            margin-bottom: 30px;
        }

        .footer-col h5 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            margin-bottom: 8px;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

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

        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(28, 28, 30, 0.96);
            backdrop-filter: blur(18px);
            border-top: 1px solid var(--border-subtle);
            padding: 12px 0;
            z-index: 999;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .floating-cta-bar span {
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
        }

        .security-section {
            padding: 60px 0;
            background: var(--bg-secondary);
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }

        .security-card {
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-subtle);
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .security-card i {
            font-size: 1.8rem;
            color: var(--accent-gold);
        }

        .security-card h4 {
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

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

        .milestone-section {
            padding: 60px 0;
            background: var(--bg-primary);
        }

        .milestone-timeline {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            position: relative;
        }

        .milestone-timeline::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--border-subtle);
            z-index: 0;
        }

        .milestone-node {
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 130px;
        }

        .milestone-node .dot {
            width: 14px;
            height: 14px;
            background: var(--accent-gold);
            border-radius: 50%;
            margin: 0 auto 10px;
            border: 3px solid var(--bg-primary);
        }

        .milestone-node h5 {
            font-weight: 700;
            color: var(--accent-gold);
        }

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

        @media (max-width: 520px) {
            .hero-main-block h1 { font-size: 1.6rem; }
            .section-title { font-size: 1.5rem; }
            .subscribe-card { padding: 24px; }
            .floating-cta-bar { flex-direction: column; gap: 8px; }
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--bg-primary);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
            transition: all var(--transition-smooth);
            cursor: pointer;
            animation: float-slow 3s ease-in-out infinite;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 191, 0, 0.6);
        }
        @keyframes float-slow {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

/* roulang page: article */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #9A9A9E;
            --border-subtle: rgba(197, 160, 89, 0.15);
            --border-active: rgba(197, 160, 89, 0.5);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 40px rgba(197, 160, 89, 0.2);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .navbar-custom {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all var(--transition-smooth);
        }

        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text i {
            font-size: 1.6rem;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: var(--text-muted);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.08);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(197, 160, 89, 0.12);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: var(--bg-primary);
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 700;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.35);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 191, 0, 0.5);
            color: var(--bg-primary);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }

        .article-hero {
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 60px 0 40px;
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -10%;
            width: 60%;
            height: 160%;
            background: radial-gradient(circle at center, rgba(197, 160, 89, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .breadcrumb-custom a {
            color: var(--accent-gold);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-custom i {
            font-size: 0.7rem;
        }

        .article-hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .article-hero-content h1 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

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

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

        .category-badge {
            background: rgba(197, 160, 89, 0.12);
            color: var(--accent-gold);
            padding: 6px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            border: 1px solid var(--border-active);
        }

        .featured-image-container {
            margin-top: 32px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
        }

        .featured-image-container img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .article-body-section {
            padding: 50px 0;
            background: var(--bg-primary);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        .article-content {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-subtle);
        }

        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 36px;
            margin-bottom: 16px;
            line-height: 1.3;
        }

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

        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 28px;
            margin-bottom: 12px;
        }

        .article-content p {
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 18px;
            font-size: 1.02rem;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 20px;
            margin-bottom: 18px;
            color: var(--text-muted);
        }

        .article-content li {
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .article-content strong {
            color: var(--accent-gold);
            font-weight: 600;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(197, 160, 89, 0.05);
            padding: 20px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-primary);
            font-style: italic;
            font-size: 1.05rem;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }

        .article-content .pull-quote {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--accent-gold);
            line-height: 1.5;
            padding: 20px 0;
            border-top: 2px solid var(--border-active);
            border-bottom: 2px solid var(--border-active);
            margin: 30px 0;
            text-align: center;
        }

        .sidebar {
            position: sticky;
            top: 100px;
        }

        .sidebar-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            margin-bottom: 24px;
        }

        .sidebar-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            font-size: 0.9rem;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
            border: 2px solid var(--border-active);
            text-align: center;
        }

        .cta-box h4 {
            color: var(--accent-amber);
            justify-content: center;
        }

        .cta-box p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .btn-cta-sidebar {
            display: block;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary);
            padding: 12px 24px;
            border-radius: 50px;
            font-weight: 700;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.35);
        }

        .btn-cta-sidebar:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 191, 0, 0.5);
            color: var(--bg-primary);
        }

        .related-list .related-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }

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

        .related-list .related-item:hover {
            color: var(--accent-gold);
            padding-left: 6px;
        }

        .related-list .related-item i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

        .article-cta-section {
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 50px 0;
            border-top: 1px solid var(--border-subtle);
        }

        .cta-card {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 2px solid var(--border-active);
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-card h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-card h2 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .cta-card p {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 24px;
        }

        .btn-cta-large {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary);
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
        }

        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(255, 191, 0, 0.55);
            color: var(--bg-primary);
        }

        .footer-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
        }

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

        .footer-col h5 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 18px;
            font-size: 1.05rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            margin-bottom: 10px;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

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

        .not-found-section {
            padding: 80px 0;
            text-align: center;
        }

        .not-found-section h2 {
            font-size: 2rem;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

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

        .btn-back-home {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary);
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 700;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.35);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 191, 0, 0.5);
            color: var(--bg-primary);
        }

        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(14px);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-left:hover {
            transform: scale(1.12);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
            box-shadow: 0 8px 32px rgba(197, 160, 89, 0.55);
        }

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

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

            .sidebar {
                position: static;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--bg-secondary);
                border-radius: var(--radius-md);
                margin-top: 14px;
                padding: 14px;
                gap: 4px;
            }

            .nav-links.open {
                display: flex;
            }

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

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

            .article-hero-content h1 {
                font-size: 2rem;
            }

            .article-content {
                padding: 24px;
            }

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

        @media (max-width: 520px) {
            .article-hero-content h1 {
                font-size: 1.6rem;
            }

            .article-content {
                padding: 18px;
            }

            .cta-card {
                padding: 24px;
            }

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

            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #9A9A9E;
            --border-subtle: rgba(197, 160, 89, 0.15);
            --border-active: rgba(197, 160, 89, 0.5);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 40px rgba(197, 160, 89, 0.2);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Navigation */
        .navbar-custom {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all var(--transition-smooth);
        }
        
        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        
        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .logo-text i {
            font-size: 1.6rem;
            color: var(--accent-amber);
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        
        .nav-links a {
            color: var(--text-muted);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.08);
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }
        
        .btn-login:hover {
            background: rgba(197, 160, 89, 0.12);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: var(--bg-primary);
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 700;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.35);
            white-space: nowrap;
            cursor: pointer;
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 191, 0, 0.5);
            color: var(--bg-primary);
        }
        
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }
        
        /* Page Header */
        .page-header {
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }
        
        .page-header::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 60%;
            height: 160%;
            background: radial-gradient(circle at center, rgba(197, 160, 89, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .page-header-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }
        
        .page-header h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 16px;
        }
        
        .page-header h1 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .page-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        
        /* Compare Section */
        .compare-section {
            padding: 70px 0;
            background: var(--bg-primary);
        }
        
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 20px;
        }
        
        .compare-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 35px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        
        .compare-card.featured {
            border-color: var(--border-active);
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.08) 0%, var(--bg-secondary) 100%);
        }
        
        .compare-card.featured::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber));
        }
        
        .compare-card .card-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .compare-card h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .compare-card h3 i {
            color: var(--accent-gold);
            font-size: 1.8rem;
        }
        
        .compare-card .card-desc {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px 0;
        }
        
        .feature-list li {
            padding: 10px 0;
            color: var(--text-primary);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid var(--border-subtle);
        }
        
        .feature-list li:last-child {
            border-bottom: none;
        }
        
        .feature-list li i {
            color: var(--accent-amber);
            font-size: 1rem;
            flex-shrink: 0;
        }
        
        .btn-compare {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.35);
            cursor: pointer;
        }
        
        .btn-compare:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 191, 0, 0.5);
            color: var(--bg-primary);
        }
        
        /* Steps Section */
        .steps-section {
            padding: 70px 0;
            background: var(--bg-secondary);
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            text-align: left;
        }
        
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 40px;
            text-align: left;
        }
        
        .steps-timeline {
            position: relative;
            padding-left: 40px;
        }
        
        .steps-timeline::before {
            content: '';
            position: absolute;
            left: 15px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-subtle);
        }
        
        .step-item {
            position: relative;
            margin-bottom: 40px;
            padding-left: 40px;
        }
        
        .step-item:last-child {
            margin-bottom: 0;
        }
        
        .step-number {
            position: absolute;
            left: -40px;
            top: 0;
            width: 32px;
            height: 32px;
            background: var(--bg-tertiary);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent-gold);
            z-index: 1;
        }
        
        .step-content {
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        
        .step-content:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-hover);
        }
        
        .step-content h4 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        
        .step-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }
        
        .step-content .step-image {
            margin-top: 16px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }
        
        /* Benefits */
        .benefits-section {
            padding: 70px 0;
            background: var(--bg-primary);
        }
        
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 20px;
        }
        
        .benefit-item {
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            padding: 30px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            text-align: left;
        }
        
        .benefit-item:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        
        .benefit-icon {
            width: 56px;
            height: 56px;
            background: rgba(197, 160, 89, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.8rem;
            color: var(--accent-gold);
        }
        
        .benefit-item h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        
        .benefit-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }
        
        /* Stats */
        .stats-banner {
            padding: 50px 0;
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.06) 0%, var(--bg-secondary) 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: left;
        }
        
        .stat-item .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        
        .stat-item .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        
        /* FAQ */
        .faq-section {
            padding: 70px 0;
            background: var(--bg-primary);
        }
        
        .faq-list {
            max-width: 900px;
            margin: 0;
        }
        
        .faq-item {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 16px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        
        .faq-item:hover {
            border-color: var(--border-active);
        }
        
        .faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        
        .faq-item h4 i {
            color: var(--accent-gold);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        
        .faq-item.active h4 i {
            transform: rotate(180deg);
        }
        
        .faq-item .faq-answer {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-top: 14px;
            display: none;
        }
        
        .faq-item.active .faq-answer {
            display: block;
        }
        
        /* CTA Section */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            text-align: center;
        }
        
        .cta-box {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            border: 1px solid var(--border-active);
            position: relative;
            overflow: hidden;
        }
        
        .cta-box::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 50%;
            height: 140%;
            background: radial-gradient(circle at center, rgba(197, 160, 89, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        
        .cta-box p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 30px;
            position: relative;
            z-index: 1;
        }
        
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary);
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(197, 160, 89, 0.4);
            position: relative;
            z-index: 1;
            cursor: pointer;
        }
        
        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 191, 0, 0.55);
            color: var(--bg-primary);
        }
        
        /* Footer */
        .footer-section {
            background: var(--bg-secondary);
            padding: 50px 0 30px;
            border-top: 1px solid var(--border-subtle);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }
        
        .footer-col h5 {
            color: var(--accent-gold);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }
        
        .footer-col a:hover {
            color: var(--accent-amber);
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 24px;
            text-align: center;
        }
        
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin: 0;
        }
        
        /* FAB */
        .fab-float {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: var(--bg-tertiary);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
            opacity: 0.85;
            animation: fabFloat 3s ease-in-out infinite;
        }
        
        .fab-float i {
            font-size: 1.5rem;
            color: var(--accent-gold);
            transition: transform var(--transition-smooth);
        }
        
        .fab-float:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(197, 160, 89, 0.5);
        }
        
        .fab-float:hover i {
            transform: rotate(360deg);
        }
        
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            
            .page-header h1 {
                font-size: 2rem;
            }
            
            .section-title {
                font-size: 1.7rem;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .nav-links.open {
                display: flex;
                width: 100%;
                flex-direction: column;
                background: var(--bg-secondary);
                border-radius: var(--radius-md);
                margin-top: 14px;
                padding: 14px;
                gap: 4px;
            }
            
            .mobile-menu-toggle {
                display: block;
            }
            
            .nav-actions {
                margin-left: auto;
            }
            
            .compare-grid {
                grid-template-columns: 1fr;
            }
            
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            
            .page-header h1 {
                font-size: 1.7rem;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .cta-box {
                padding: 35px 24px;
            }
            
            .cta-box h2 {
                font-size: 1.5rem;
            }
            
            .steps-timeline {
                padding-left: 30px;
            }
            
            .step-item {
                padding-left: 30px;
            }
            
            .step-number {
                left: -30px;
                width: 26px;
                height: 26px;
                font-size: 0.8rem;
            }
        }
        
        @media (max-width: 520px) {
            .navbar-custom .container {
                flex-wrap: wrap;
            }
            
            .logo-text {
                font-size: 1.1rem;
            }
            
            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            
            .page-header {
                padding: 40px 0 35px;
            }
            
            .page-header h1 {
                font-size: 1.4rem;
            }
            
            .compare-card,
            .step-content,
            .benefit-item {
                padding: 20px;
            }
            
            .stats-row {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .cta-box h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #9A9A9E;
            --border-subtle: rgba(197, 160, 89, 0.15);
            --border-active: rgba(197, 160, 89, 0.5);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 40px rgba(197, 160, 89, 0.2);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .navbar-custom {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all var(--transition-smooth);
        }

        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text i {
            font-size: 1.6rem;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: var(--text-muted);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.08);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(197, 160, 89, 0.12);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: var(--bg-primary);
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 700;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.35);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 191, 0, 0.5);
            color: var(--bg-primary);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }

        .hero-section {
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 50px 0 40px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -15%;
            width: 60%;
            height: 160%;
            background: radial-gradient(circle at center, rgba(197, 160, 89, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 900px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(197, 160, 89, 0.1);
            border: 1px solid var(--border-active);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            width: fit-content;
        }

        .hero-content h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            margin: 0;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content .hero-desc {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.7;
            margin: 0;
        }

        .section-block {
            padding: 60px 0;
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 750px;
        }

        .download-device-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 32px;
        }

        .device-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .device-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber));
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

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

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

        .device-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.15), rgba(255, 191, 0, 0.1));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 2rem;
            color: var(--accent-gold);
        }

        .device-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .device-card .device-specs {
            list-style: none;
            padding: 0;
            margin: 0 0 20px 0;
        }

        .device-card .device-specs li {
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 5px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .device-card .device-specs li i {
            color: var(--accent-amber);
            font-size: 0.8rem;
        }

        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.35);
            border: none;
            cursor: pointer;
        }

        .btn-download:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(255, 191, 0, 0.5);
            color: var(--bg-primary);
        }

        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .step-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: left;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .step-number {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--bg-primary);
            margin-bottom: 16px;
        }

        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

        .feature-highlight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 32px;
        }

        .feature-highlight {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
        }

        .feature-highlight:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-card);
        }

        .feature-icon-box {
            width: 52px;
            height: 52px;
            min-width: 52px;
            background: rgba(197, 160, 89, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
        }

        .feature-highlight h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .feature-highlight p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.5;
            margin: 0;
        }

        .faq-list {
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

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

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            user-select: none;
        }

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

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

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

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

        .cta-section {
            background: linear-gradient(160deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 180%;
            background: radial-gradient(circle at center, rgba(197, 160, 89, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: var(--text-muted);
            margin-bottom: 28px;
            font-size: 1rem;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-download {
            position: relative;
            z-index: 1;
            font-size: 1.1rem;
            padding: 16px 40px;
        }

        .footer-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
            margin-top: 0;
        }

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

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

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 1050;
            width: 52px;
            height: 52px;
            background: var(--bg-secondary);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
            opacity: 0.7;
            animation: floatFAB 3s ease-in-out infinite;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 191, 0, 0.5);
            color: var(--accent-amber);
        }

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

        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid var(--bg-secondary);
            animation: blink 1.4s infinite;
        }

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

        @media (max-width: 1024px) {
            .download-device-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .steps-container {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-highlight-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--bg-secondary);
                border-radius: var(--radius-md);
                margin-top: 14px;
                padding: 14px;
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions {
                margin-left: auto;
            }
            .steps-container {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .device-card {
                padding: 24px 18px;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-section {
                padding: 36px 0 30px;
            }
            .section-block {
                padding: 40px 0;
            }
            .device-card h3 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #9A9A9E;
            --border-subtle: rgba(197, 160, 89, 0.15);
            --border-active: rgba(197, 160, 89, 0.5);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 40px rgba(197, 160, 89, 0.2);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .navbar-custom {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all var(--transition-smooth);
        }

        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text i {
            font-size: 1.6rem;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: var(--text-muted);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.08);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(197, 160, 89, 0.12);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: var(--bg-primary);
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 700;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.35);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 191, 0, 0.5);
            color: var(--bg-primary);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }

        .hero-section {
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 70px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 70%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(197, 160, 89, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .hero-main-block {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-subtle);
        }

        .hero-main-block h1 {
            font-size: 2.7rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 18px;
        }

        .hero-main-block h1 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-main-block .hero-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            margin-bottom: 28px;
        }

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

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-amber);
            display: block;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: var(--bg-primary);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.4);
            display: inline-block;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(255, 191, 0, 0.55);
            color: var(--bg-primary);
        }

        .hero-leaderboard {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-subtle);
        }

        .hero-leaderboard h4 {
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 20px;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .leader-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-muted);
            font-size: 0.95rem;
        }

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

        .leader-name i {
            color: var(--accent-amber);
            margin-right: 10px;
        }

        .leader-win {
            color: var(--accent-gold);
            font-weight: 600;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

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

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

        .trust-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            padding: 32px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            text-align: left;
        }

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

        .trust-icon {
            font-size: 2.4rem;
            color: var(--accent-amber);
            margin-bottom: 18px;
        }

        .trust-card h4 {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

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

        .comparison-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 50px;
            border: 1px solid var(--border-subtle);
            margin: 0 20px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 30px;
        }

        .comparison-table th {
            background: var(--bg-tertiary);
            color: var(--accent-gold);
            font-weight: 700;
            padding: 16px;
            text-align: left;
            border-bottom: 2px solid var(--border-active);
        }

        .comparison-table td {
            padding: 16px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-muted);
        }

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

        .comparison-table .highlight-row {
            background: rgba(197, 160, 89, 0.05);
        }

        .badge-secure {
            background: rgba(197, 160, 89, 0.15);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-block;
        }

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

        .faq-item {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            padding: 28px;
            margin-bottom: 16px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

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

        .faq-item h5 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .faq-item h5 i {
            color: var(--accent-amber);
            font-size: 1.2rem;
        }

        .faq-item p {
            color: var(--text-muted);
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        .cta-section {
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            border-radius: var(--radius-lg);
            padding: 60px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            margin: 0 20px;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: var(--text-muted);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }

        .footer-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            margin-top: 80px;
        }

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

        .footer-col h5 {
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 18px;
            font-size: 1.05rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 30px;
        }

        .flow-step {
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-subtle);
            position: relative;
            text-align: left;
        }

        .step-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-amber);
            opacity: 0.4;
            position: absolute;
            top: 16px;
            right: 20px;
        }

        .flow-step h5 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

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

        @media (max-width: 1024px) {
            .hero-bento {
                grid-template-columns: 1fr;
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--bg-secondary);
                border-radius: var(--radius-md);
                margin-top: 14px;
                padding: 14px;
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions {
                margin-left: auto;
            }
            .hero-main-block h1 {
                font-size: 2rem;
            }
            .trust-grid {
                grid-template-columns: 1fr;
            }
            .comparison-section {
                padding: 30px 20px;
            }
            .comparison-table {
                font-size: 0.8rem;
            }
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #9A9A9E;
            --border-subtle: rgba(197, 160, 89, 0.15);
            --border-active: rgba(197, 160, 89, 0.5);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 40px rgba(197, 160, 89, 0.2);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .navbar-custom {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all var(--transition-smooth);
        }

        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text i {
            font-size: 1.6rem;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: var(--text-muted);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.08);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(197, 160, 89, 0.12);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: var(--bg-primary);
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 700;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.35);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 191, 0, 0.5);
            color: var(--bg-primary);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }

        .page-banner {
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 60%;
            height: 180%;
            background: radial-gradient(circle at center, rgba(197, 160, 89, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .banner-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .banner-content h1 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner-content p {
            color: var(--text-muted);
            font-size: 1.1rem;
            line-height: 1.7;
        }

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

        .section-label {
            display: inline-block;
            background: rgba(197, 160, 89, 0.1);
            color: var(--accent-gold);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            border: 1px solid var(--border-subtle);
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 40px;
        }

        .method-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .method-icon {
            width: 64px;
            height: 64px;
            background: var(--bg-tertiary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 2rem;
            color: var(--accent-gold);
            border: 1px solid var(--border-subtle);
        }

        .method-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

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

        .method-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .step-timeline {
            position: relative;
            padding-left: 40px;
        }

        .step-timeline::before {
            content: '';
            position: absolute;
            left: 15px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-subtle);
        }

        .step-item {
            position: relative;
            margin-bottom: 36px;
        }

        .step-item:last-child {
            margin-bottom: 0;
        }

        .step-number {
            position: absolute;
            left: -40px;
            top: 0;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            z-index: 2;
        }

        .step-content {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .step-content h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

        .info-panel {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 36px;
            display: flex;
            align-items: center;
            gap: 30px;
            flex-wrap: wrap;
        }

        .info-icon {
            font-size: 3rem;
            color: var(--accent-gold);
            flex-shrink: 0;
        }

        .info-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

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

        .faq-accordion .accordion-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-accordion .accordion-button {
            background: var(--bg-secondary);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 20px 24px;
            box-shadow: none;
            border: none;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--bg-tertiary);
            color: var(--accent-gold);
            box-shadow: none;
        }

        .faq-accordion .accordion-button::after {
            filter: invert(70%) sepia(40%) saturate(500%) hue-rotate(5deg);
        }

        .faq-accordion .accordion-body {
            background: var(--bg-secondary);
            color: var(--text-muted);
            padding: 20px 24px;
            font-size: 0.95rem;
            line-height: 1.7;
            border-top: 1px solid var(--border-subtle);
        }

        .cta-section {
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .cta-section p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: var(--bg-primary);
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(197, 160, 89, 0.4);
            display: inline-block;
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(255, 191, 0, 0.55);
            color: var(--bg-primary);
        }

        .footer-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 24px;
            margin-top: 40px;
        }

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

        .footer-col h5 {
            color: var(--accent-gold);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

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

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

        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            background: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(14px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, #00F0FF, #CCFF00) 1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #00F0FF;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            animation: fabPulse 2.8s ease-in-out infinite;
        }

        .fab-floating:hover {
            transform: scale(1.12);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.6);
            color: #CCFF00;
        }

        @keyframes fabPulse {
            0%,
            100% {
                box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            }
            50% {
                box-shadow: 0 0 30px rgba(0, 240, 255, 0.65);
            }
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .banner-content h1 {
                font-size: 2.1rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .info-panel {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--bg-secondary);
                border-radius: var(--radius-md);
                margin-top: 14px;
                padding: 14px;
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions {
                margin-left: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .banner-content h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .method-card {
                padding: 22px;
            }
            .cta-section {
                padding: 36px 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .step-timeline {
                padding-left: 34px;
            }
            .step-number {
                left: -34px;
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .banner-content h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .logo-text {
                font-size: 1.1rem;
            }
        }