/* roulang page: index */
:root {
            --primary-bg: #0B0C0E;
            --secondary-bg: #14161B;
            --surface-card: #1B1D23;
            --border-subtle: rgba(212, 175, 55, 0.15);
            --border-medium: rgba(212, 175, 55, 0.3);
            --accent-gold: #D4AF37;
            --accent-gold-light: #F0D060;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --font-sans: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-glow: 0 8px 32px rgba(212, 175, 55, 0.08);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --transition-smooth: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container-custom {
            width: 100%;
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Navigation */
        .navbar-custom {
            background: rgba(11, 12, 14, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar-custom .logo {
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.4px;
        }

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

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold-light);
            background: rgba(212, 175, 55, 0.08);
        }

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

        .btn-nav-login:hover {
            background: rgba(212, 175, 55, 0.1);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
        }

        .btn-nav-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #0B0C0E;
            border: none;
            border-radius: 30px;
            padding: 9px 26px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
            margin-left: 8px;
        }

        .btn-nav-signup:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: #000;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.4);
        }

        .navbar-toggler {
            border: 1px solid var(--border-medium);
            color: var(--accent-gold);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(212, 175, 55, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991px) {
            .navbar-custom .nav-link {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
            .navbar-custom .d-flex {
                flex-direction: column;
                align-items: center;
                gap: 8px;
                margin-top: 10px;
            }
            .btn-nav-login, .btn-nav-signup {
                width: 80%;
                text-align: center;
                margin-left: 0;
            }
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(180deg, rgba(20, 22, 27, 0.9) 0%, var(--primary-bg) 100%), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            padding: 80px 0 70px;
            text-align: left;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-badge {
            display: inline-block;
            background: rgba(212, 175, 55, 0.12);
            color: var(--accent-gold-light);
            border: 1px solid var(--border-medium);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 22px;
        }

        .hero-section h1 {
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 18px;
        }

        .hero-section .subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 700px;
        }

        .hero-compliance-list {
            list-style: none;
            margin-bottom: 30px;
        }

        .hero-compliance-list li {
            color: var(--text-muted);
            margin-bottom: 10px;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-compliance-list i {
            color: var(--accent-gold-light);
            font-size: 1.1rem;
        }

        .btn-hero-cta {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #0B0C0E;
            padding: 14px 38px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            transition: var(--transition-smooth);
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
            display: inline-block;
        }

        .btn-hero-cta:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: #000;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(212, 175, 55, 0.45);
        }

        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .hero-section .subtitle {
                font-size: 1rem;
            }
        }

        /* Section common */
        .section-padding {
            padding: 65px 0;
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            position: relative;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 700px;
            margin-bottom: 35px;
        }

        .bg-secondary-theme {
            background-color: var(--secondary-bg);
        }

        /* Cards */
        .capability-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            transition: var(--transition-smooth);
            height: 100%;
        }

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

        .capability-card .icon-wrap {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 18px;
        }

        .capability-card h4 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .capability-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        /* Timeline cards */
        .timeline-item {
            background: var(--surface-card);
            border-left: 4px solid var(--accent-gold);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 20px 24px;
            margin-bottom: 18px;
        }

        .timeline-item .date {
            color: var(--accent-gold-light);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .timeline-item h5 {
            font-weight: 600;
            margin: 5px 0 6px;
        }

        .timeline-item p {
            color: var(--text-muted);
            font-size: 0.92rem;
        }

        /* Mat bang card */
        .roadmap-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: left;
        }

        .roadmap-card .status {
            font-size: 0.8rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 12px;
        }

        .status-live {
            background: rgba(16, 185, 129, 0.15);
            color: #10B981;
            border: 1px solid rgba(16,185,129,0.3);
        }

        .status-dev {
            background: rgba(245, 158, 11, 0.15);
            color: #F59E0B;
            border: 1px solid rgba(245,158,11,0.3);
        }

        .roadmap-card h4 {
            font-weight: 600;
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        /* article list */
        .article-item {
            display: flex;
            gap: 20px;
            background: var(--surface-card);
            border-radius: var(--radius-md);
            padding: 16px;
            margin-bottom: 16px;
            border: 1px solid transparent;
            transition: var(--transition-smooth);
        }

        .article-item:hover {
            border-color: var(--accent-gold);
        }

        .article-item img {
            width: 110px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        .article-content h5 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .article-content .meta {
            font-size: 0.8rem;
            color: var(--accent-gold-light);
        }

        @media (max-width: 600px) {
            .article-item {
                flex-direction: column;
            }
            .article-item img {
                width: 100%;
                height: 160px;
            }
        }

        /* Footer */
        .footer-custom {
            background: #0A0A0C;
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 25px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-custom .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .footer-custom a {
            color: var(--text-secondary);
        }

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

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #D4AF37, #B45309);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 25px rgba(212, 175, 55, 0.35);
            color: #0B0C0E;
            font-size: 1.5rem;
            transition: var(--transition-smooth);
            border: 2px solid #F59E0B;
        }

        .fab-left:hover {
            transform: scale(1.1);
            color: #000;
        }

/* roulang page: article */
:root {
            --primary-bg: #0B0C0E;
            --secondary-bg: #14161B;
            --surface-card: #1B1D23;
            --border-subtle: rgba(212, 175, 55, 0.15);
            --border-medium: rgba(212, 175, 55, 0.3);
            --accent-gold: #D4AF37;
            --accent-gold-light: #F0D060;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --font-sans: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-glow: 0 8px 32px rgba(212, 175, 55, 0.08);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --transition-smooth: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container-custom {
            width: 100%;
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Navigation */
        .navbar-custom {
            background: rgba(11, 12, 14, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar-custom .logo {
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.4px;
        }

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

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold-light);
            background: rgba(212, 175, 55, 0.08);
        }

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

        .btn-nav-login:hover {
            background: rgba(212, 175, 55, 0.1);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
        }

        .btn-nav-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #0B0C0E;
            border: none;
            border-radius: 30px;
            padding: 9px 26px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
            margin-left: 8px;
        }

        .btn-nav-signup:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: #000;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.4);
        }

        .navbar-toggler {
            border: 1px solid var(--border-medium);
            color: var(--accent-gold);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(212, 175, 55, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            .navbar-custom .nav-link {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }

            .navbar-custom .d-flex {
                flex-direction: column;
                align-items: center;
                gap: 8px;
                margin-top: 10px;
            }

            .btn-nav-login,
            .btn-nav-signup {
                width: 80%;
                text-align: center;
                margin-left: 0;
            }
        }

        /* Article Banner */
        .article-banner {
            background: linear-gradient(135deg, rgba(20, 22, 27, 0.95) 0%, rgba(11, 12, 14, 0.98) 100%), url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            padding: 60px 0 50px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .article-badge {
            display: inline-block;
            background: rgba(212, 175, 55, 0.12);
            color: var(--accent-gold-light);
            border: 1px solid var(--border-medium);
            padding: 5px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .article-banner h1 {
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.3;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

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

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

        .article-meta i {
            color: var(--accent-gold);
            font-size: 0.95rem;
        }

        @media (max-width: 768px) {
            .article-banner h1 {
                font-size: 2rem;
            }
        }

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

            .article-meta {
                font-size: 0.85rem;
                gap: 12px;
            }
        }

        /* Content Section */
        .content-section {
            padding: 60px 0;
        }

        .content-body {
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px;
            color: var(--text-secondary);
            line-height: 1.75;
            font-size: 1.05rem;
        }

        .content-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-top: 36px;
            margin-bottom: 18px;
            border-left: 4px solid var(--accent-gold);
            padding-left: 16px;
        }

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

        .content-body p {
            margin-bottom: 18px;
        }

        .content-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
        }

        .content-body ul,
        .content-body ol {
            margin-bottom: 18px;
            padding-left: 24px;
        }

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

        .content-body a {
            color: var(--accent-gold-light);
            text-decoration: underline;
            font-weight: 500;
        }

        .content-body a:hover {
            color: var(--accent-gold);
        }

        .article-notfound {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
        }

        .article-notfound h3 {
            font-size: 1.6rem;
            color: var(--accent-gold-light);
            margin-bottom: 12px;
        }

        .article-notfound a {
            color: var(--accent-gold);
            text-decoration: underline;
            font-weight: 600;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

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

        .sidebar-block h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-bottom: 16px;
            border-left: 3px solid var(--accent-gold);
            padding-left: 12px;
        }

        /* Related Articles Card */
        .related-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition-smooth);
        }

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

        .related-item:hover {
            transform: translateX(4px);
        }

        .related-thumb {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            border: 1px solid var(--border-medium);
        }

        .related-info h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .related-info h5:hover {
            color: var(--accent-gold-light);
        }

        .related-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* App Profile Widget Sidebar */
        .app-profile-mini {
            text-align: center;
        }

        .app-profile-mini img {
            width: 80px;
            height: 80px;
            border-radius: 20px;
            margin: 0 auto 14px auto;
            border: 2px solid var(--border-medium);
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.15);
        }

        .app-profile-mini .star-rating {
            color: var(--accent-gold);
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

        .app-profile-mini .download-badge {
            background: rgba(212, 175, 55, 0.12);
            border: 1px solid var(--border-medium);
            color: var(--accent-gold-light);
            border-radius: 30px;
            padding: 4px 16px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-block;
            margin: 8px 0;
        }

        .btn-download-app {
            display: block;
            width: 100%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #0B0C0E;
            border: none;
            border-radius: 30px;
            padding: 10px;
            font-weight: 700;
            font-size: 0.95rem;
            text-align: center;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
        }

        .btn-download-app:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: #000;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.4);
        }

        /* CTA Newsletter Block */
        .cta-newsletter {
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(180, 83, 9, 0.1));
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
        }

        .cta-newsletter h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-bottom: 8px;
            border: none;
            padding: 0;
        }

        .cta-newsletter p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .cta-newsletter .input-group {
            border-radius: 30px;
            overflow: hidden;
            border: 1px solid var(--border-medium);
        }

        .cta-newsletter input {
            background: var(--surface-card);
            border: none;
            color: var(--text-primary);
            padding: 10px 16px;
        }

        .cta-newsletter input::placeholder {
            color: var(--text-muted);
        }

        .cta-newsletter .btn-subscribe {
            background: var(--accent-gold);
            color: #0B0C0E;
            border: none;
            font-weight: 700;
            padding: 10px 20px;
            transition: var(--transition-smooth);
        }

        .cta-newsletter .btn-subscribe:hover {
            background: var(--accent-gold-light);
        }

        /* Author & Trust Badges */
        .trust-badges-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 16px;
        }

        .trust-badge-mini {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: 30px;
            padding: 6px 14px;
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .trust-badge-mini i {
            color: var(--accent-gold);
            font-size: 0.8rem;
        }

        @media (max-width: 991.98px) {
            .content-body {
                padding: 24px;
            }
        }

        @media (max-width: 768px) {
            .content-body h2 {
                font-size: 1.5rem;
            }

            .content-body h3 {
                font-size: 1.25rem;
            }
        }

        /* Footer */
        .footer-custom {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 14px;
        }

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

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

        .footer-custom ul li a {
            color: var(--text-muted);
            transition: var(--transition-smooth);
        }

        .footer-custom ul li a:hover {
            color: var(--accent-gold-light);
            padding-left: 4px;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 96px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.9), rgba(180, 83, 9, 0.9));
            backdrop-filter: blur(10px);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0C0E;
            font-size: 1.5rem;
            z-index: 50;
            transition: var(--transition-smooth);
            animation: fabPulse 2s infinite ease-in-out;
        }

        @keyframes fabPulse {
            0%,
            100% {
                transform: translateY(0);
                opacity: 0.9;
            }
            50% {
                transform: translateY(-6px);
                opacity: 1;
            }
        }

        .fab-floating:hover {
            transform: scale(1.1);
            animation: none;
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
            color: #000;
        }

        .fab-notification {
            position: absolute;
            top: 0px;
            right: 0px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border: 2px solid #FFFFFF;
            border-radius: 50%;
        }

        @media (max-width: 768px) {
            .fab-floating {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0B0C0E;
            --secondary-bg: #14161B;
            --surface-card: #1B1D23;
            --border-subtle: rgba(212, 175, 55, 0.15);
            --border-medium: rgba(212, 175, 55, 0.3);
            --accent-gold: #D4AF37;
            --accent-gold-light: #F0D060;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --font-sans: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-glow: 0 8px 32px rgba(212, 175, 55, 0.08);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --transition-smooth: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-smooth);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }
        .container-custom {
            width: 100%;
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* Header & Navigation */
        .navbar-custom {
            background: rgba(11, 12, 14, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .navbar-custom .logo {
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.3px;
        }
        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            margin-left: 6px;
            padding: 8px 18px !important;
            border-radius: 30px;
            transition: var(--transition-smooth);
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold-light);
            background: rgba(212, 175, 55, 0.08);
        }
        .btn-nav {
            text-decoration: none;
            border-radius: 30px;
            padding: 9px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
            display: inline-block;
            text-align: center;
        }
        .btn-nav-outline {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
        }
        .btn-nav-outline:hover {
            background: rgba(212, 175, 55, 0.12);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
        }
        .btn-nav-solid {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #0B0C0E;
            border: none;
            box-shadow: 0 4px 14px rgba(212, 175, 55, 0.25);
            margin-left: 10px;
        }
        .btn-nav-solid:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: #000;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.45);
        }
        .navbar-toggler {
            border: 1px solid var(--border-medium);
            padding: 4px 10px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(212, 175, 55, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        /* Hero */
        .hero-category {
            background: linear-gradient(180deg, rgba(20, 22, 27, 0.95) 0%, var(--primary-bg) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: 70px 0 60px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-badge {
            display: inline-block;
            background: rgba(212, 175, 55, 0.15);
            color: var(--accent-gold-light);
            border: 1px solid var(--border-medium);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 24px;
        }
        .hero-category h1 {
            font-size: 2.9rem;
            font-weight: 700;
            line-height: 1.3;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 28px;
        }
        .hero-points i {
            color: var(--accent-gold);
            margin-right: 8px;
        }
        .btn-hero {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: #0B0C0E;
            font-weight: 700;
            padding: 14px 36px;
            border-radius: 40px;
            font-size: 1rem;
            box-shadow: 0 8px 22px rgba(212, 175, 55, 0.3);
            transition: var(--transition-smooth);
            border: none;
        }
        .btn-hero:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), #E5B830);
            transform: translateY(-2px);
            color: #000;
            box-shadow: 0 12px 30px rgba(212, 175, 55, 0.5);
        }
        .hero-stats {
            display: flex;
            gap: 30px;
            margin-top: 25px;
        }
        .hero-stat {
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-md);
            padding: 12px 24px;
            border: 1px solid var(--border-subtle);
        }
        .hero-stat .num {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-gold-light);
        }
        .hero-stat .label {
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        /* Sections */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #FFFFFF;
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 35px;
        }
        .card-custom {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition-smooth);
            height: 100%;
        }
        .card-custom:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .card-icon {
            width: 50px;
            height: 50px;
            background: rgba(212,175,55,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-gold-light);
            margin-bottom: 18px;
        }
        .badge-gold {
            background: rgba(212, 175, 55, 0.12);
            color: var(--accent-gold-light);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .list-check li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }
        .list-check li i {
            color: var(--accent-gold);
            margin-right: 10px;
        }
        .btn-outline-gold {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            border-radius: 30px;
            padding: 10px 28px;
            background: transparent;
            font-weight: 600;
        }
        .btn-outline-gold:hover {
            background: rgba(212,175,55,0.1);
            color: var(--accent-gold-light);
        }
        .faq-item {
            background: var(--surface-card);
            border-radius: var(--radius-md);
            padding: 22px;
            margin-bottom: 16px;
            border: 1px solid var(--border-subtle);
        }
        .faq-item h5 {
            font-weight: 600;
            margin-bottom: 8px;
        }
        .faq-item p {
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .cta-strip {
            background: linear-gradient(135deg, #1B1D23, #101114);
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-lg);
            padding: 45px;
            text-align: center;
        }
        /* Footer */
        .footer-custom {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
            margin-top: 70px;
            color: var(--text-muted);
        }
        .footer-custom a {
            color: var(--text-secondary);
        }
        .footer-custom a:hover {
            color: var(--accent-gold-light);
        }
        .footer-logo {
            font-size: 1.7rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }
        /* Responsive */
        @media (max-width: 992px) {
            .navbar-custom .nav-link { margin-left: 0; margin-top: 6px; }
            .hero-category h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .container-custom { padding: 0 16px; }
            .hero-category { padding: 50px 0 40px; }
            .hero-stats { flex-wrap: wrap; gap: 15px; }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0B0C0E;
            --secondary-bg: #14161B;
            --surface-card: #1B1D23;
            --border-subtle: rgba(212, 175, 55, 0.15);
            --border-medium: rgba(212, 175, 55, 0.3);
            --accent-gold: #D4AF37;
            --accent-gold-light: #F0D060;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --font-sans: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-glow: 0 8px 32px rgba(212, 175, 55, 0.08);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --transition-smooth: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-smooth);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            width: 100%;
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .navbar-custom {
            background: rgba(11, 12, 14, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .navbar-custom .logo {
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.4px;
        }
        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            margin-left: 8px;
            padding: 8px 16px !important;
            border-radius: 30px;
            transition: var(--transition-smooth);
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold-light);
            background: rgba(212, 175, 55, 0.08);
        }
        .btn-nav-login {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            border-radius: 30px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
        }
        .btn-nav-login:hover {
            background: rgba(212, 175, 55, 0.1);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
        }
        .btn-nav-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #0B0C0E;
            border: none;
            border-radius: 30px;
            padding: 9px 26px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
            margin-left: 8px;
        }
        .btn-nav-signup:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: #000;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.4);
        }
        .navbar-toggler {
            border: 1px solid var(--border-medium);
            color: var(--accent-gold);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(212, 175, 55, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .navbar-custom .nav-link {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
            .navbar-custom .d-flex {
                flex-direction: column;
                align-items: center;
                gap: 8px;
                margin-top: 10px;
            }
            .btn-nav-login, .btn-nav-signup {
                width: 80%;
                text-align: center;
                margin-left: 0;
            }
        }
        .page-hero {
            background: linear-gradient(180deg, rgba(20, 22, 27, 0.95) 0%, var(--primary-bg) 100%), url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            padding: 70px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .page-hero .lead {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.7;
        }
        .section-panel {
            padding: 60px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            line-height: 1.65;
        }
        .card-premium {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition-smooth);
            height: 100%;
        }
        .card-premium:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .card-premium .icon-wrap {
            width: 52px;
            height: 52px;
            background: rgba(212, 175, 55, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--accent-gold-light);
            font-size: 1.4rem;
        }
        .card-premium h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .card-premium p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .feature-checklist {
            list-style: none;
            padding-left: 0;
        }
        .feature-checklist li {
            padding: 10px 0 10px 32px;
            position: relative;
            color: var(--text-secondary);
            font-size: 0.98rem;
            border-bottom: 1px solid var(--border-subtle);
        }
        .feature-checklist li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 11px;
            color: var(--accent-gold-light);
            font-size: 0.85rem;
        }
        .app-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
            height: 100%;
        }
        .app-card:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-glow);
        }
        .app-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .app-card .card-body {
            padding: 20px;
        }
        .app-card .badge-comm {
            background: rgba(212, 175, 55, 0.15);
            color: var(--accent-gold-light);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            display: inline-block;
        }
        .app-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 8px;
        }
        .app-card .rate {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold-light);
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #0B0C0E;
            border: none;
            border-radius: 30px;
            padding: 12px 32px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
        }
        .btn-gold:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: #000;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.45);
        }
        .btn-outline-gold {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            border-radius: 30px;
            padding: 11px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
        }
        .btn-outline-gold:hover {
            background: rgba(212, 175, 55, 0.1);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
        }
        .stats-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition-smooth);
        }
        .stats-card:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-glow);
        }
        .stats-card .number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-gold-light);
        }
        .stats-card .label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .testimonial-card {
            background: var(--surface-card);
            border-left: 3px solid var(--accent-gold);
            border-radius: var(--radius-sm);
            padding: 24px;
            margin-bottom: 20px;
        }
        .testimonial-card .quote {
            font-style: italic;
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }
        .testimonial-card .author {
            font-weight: 600;
            color: var(--accent-gold-light);
            margin-top: 12px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-subtle);
            align-items: flex-start;
        }
        .news-item img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .news-item h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .news-item h5 a {
            color: #FFFFFF;
            transition: var(--transition-smooth);
        }
        .news-item h5 a:hover {
            color: var(--accent-gold-light);
        }
        .news-item .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .cta-section {
            background: linear-gradient(135deg, rgba(20, 22, 27, 0.98), rgba(11, 12, 14, 0.98)), url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-custom {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .footer-custom .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }
        .footer-custom h5 {
            font-weight: 600;
            margin-bottom: 12px;
            font-size: 1rem;
        }
        .footer-custom a {
            color: var(--text-muted);
            transition: var(--transition-smooth);
        }
        .footer-custom a:hover {
            color: var(--accent-gold-light);
        }
        @media (max-width: 768px) {
            .page-hero h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item img {
                width: 100%;
                height: 160px;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0B0C0E;
            --secondary-bg: #14161B;
            --surface-card: #1B1D23;
            --border-subtle: rgba(212, 175, 55, 0.15);
            --border-medium: rgba(212, 175, 55, 0.3);
            --accent-gold: #D4AF37;
            --accent-gold-light: #F0D060;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --font-sans: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-glow: 0 8px 32px rgba(212, 175, 55, 0.08);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --transition-smooth: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
        }

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

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

        .container-custom {
            width: 100%;
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Navigation */
        .navbar-custom {
            background: rgba(11, 12, 14, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar-custom .logo {
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.4px;
        }

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

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold-light);
            background: rgba(212, 175, 55, 0.08);
        }

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

        .btn-nav-login:hover {
            background: rgba(212, 175, 55, 0.1);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
        }

        .btn-nav-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #0B0C0E;
            border: none;
            border-radius: 30px;
            padding: 9px 26px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
            margin-left: 8px;
        }

        .btn-nav-signup:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: #000;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.4);
        }

        .navbar-toggler {
            border: 1px solid var(--border-medium);
            color: var(--accent-gold);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(212, 175, 55, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            padding: 80px 0 70px;
            text-align: left;
            background: linear-gradient(180deg, rgba(20, 22, 27, 0.7) 0%, var(--primary-bg) 100%), url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-play-btn {
            position: absolute;
            top: 50%;
            right: 10%;
            transform: translateY(-50%);
            width: 80px;
            height: 80px;
            background: rgba(212, 175, 55, 0.8);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: #0B0C0E;
            box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
            cursor: pointer;
            transition: var(--transition-smooth);
            z-index: 10;
            backdrop-filter: blur(4px);
        }
        .hero-play-btn:hover {
            background: var(--accent-gold-light);
            box-shadow: 0 12px 30px rgba(212, 175, 55, 0.6);
            transform: translateY(-50%) scale(1.08);
        }
        .hero-badge {
            display: inline-block;
            background: rgba(212, 175, 55, 0.12);
            color: var(--accent-gold-light);
            border: 1px solid var(--border-medium);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 22px;
        }

        .hero-section h1 {
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 18px;
            max-width: 600px;
        }

        .hero-section .subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 550px;
        }

        .btn-cta-hero {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #0B0C0E;
            border: none;
            border-radius: 30px;
            padding: 12px 32px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
            display: inline-block;
        }

        .btn-cta-hero:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(212, 175, 55, 0.5);
            color: #000;
        }

        /* Sections General */
        .section-padding {
            padding: 60px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            text-align: left;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.6;
            text-align: left;
        }

        /* Cards */
        .card-feature {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition-smooth);
            height: 100%;
            box-shadow: var(--shadow-card);
        }

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

        .card-feature .icon-wrap {
            width: 48px;
            height: 48px;
            background: rgba(212, 175, 55, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }

        .card-feature h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

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

        /* Stats */
        .stat-badge {
            display: inline-block;
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: 40px;
            padding: 6px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-right: 8px;
            margin-bottom: 8px;
        }
        .stat-number {
            font-weight: 700;
            color: var(--accent-gold-light);
            font-size: 2.2rem;
            line-height: 1.2;
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* Testimonials */
        .testimonial-card {
            background: var(--secondary-bg);
            border-left: 3px solid var(--accent-gold);
            padding: 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
        }
        .testimonial-card p {
            font-style: italic;
            color: var(--text-secondary);
            margin-bottom: 12px;
            font-size: 1rem;
        }
        .testimonial-card .author {
            font-weight: 700;
            color: var(--accent-gold-light);
        }

        /* FAQ */
        .accordion-faq .accordion-item {
            background: transparent;
            border: 1px solid var(--border-subtle);
            margin-bottom: 12px;
            border-radius: var(--radius-sm) !important;
            overflow: hidden;
        }
        .accordion-faq .accordion-button {
            background: var(--secondary-bg);
            color: #FFFFFF;
            font-weight: 600;
            box-shadow: none;
            padding: 18px 24px;
            font-size: 1rem;
        }
        .accordion-faq .accordion-button:not(.collapsed) {
            background: var(--surface-card);
            color: var(--accent-gold-light);
            box-shadow: none;
        }
        .accordion-faq .accordion-body {
            background: var(--primary-bg);
            color: var(--text-secondary);
            padding: 18px 24px;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* Content List */
        .news-card {
            background: var(--surface-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--border-medium);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }
        .news-card img {
            height: 180px;
            object-fit: cover;
        }
        .news-card .news-body {
            padding: 20px;
            flex-grow: 1;
        }
        .news-card .news-body h5 {
            font-weight: 700;
            font-size: 1.1rem;
            color: #FFFFFF;
            margin-bottom: 8px;
        }
        .news-card .news-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* Footer */
        .footer-custom {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
            margin-top: 60px;
            color: var(--text-secondary);
        }
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .footer-custom a {
            color: var(--text-muted);
        }
        .footer-custom a:hover {
            color: var(--accent-gold-light);
        }
        .footer-custom h5 {
            margin-bottom: 16px;
            font-weight: 700;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-custom .nav-link {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
            .navbar-custom .d-flex {
                flex-direction: column;
                align-items: center;
                gap: 8px;
                margin-top: 10px;
            }
            .btn-nav-login, .btn-nav-signup {
                width: 80%;
                text-align: center;
                margin-left: 0;
            }
            .hero-section h1 {
                font-size: 2.4rem;
            }
            .hero-play-btn {
                right: 5%;
                width: 60px;
                height: 60px;
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0 50px;
                text-align: center;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-section .subtitle {
                font-size: 1rem;
            }
            .hero-play-btn {
                position: static;
                transform: none;
                margin: 20px auto 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary-bg: #0B0C0E;
            --secondary-bg: #14161B;
            --surface-card: #1B1D23;
            --border-subtle: rgba(212, 175, 55, 0.15);
            --border-medium: rgba(212, 175, 55, 0.3);
            --accent-gold: #D4AF37;
            --accent-gold-light: #F0D060;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --font-sans: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-glow: 0 8px 32px rgba(212, 175, 55, 0.08);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --transition-smooth: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-smooth);
        }
        a:hover {
            color: var(--accent-gold-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            width: 100%;
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* Navigation */
        .navbar-custom {
            background: rgba(11, 12, 14, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .navbar-custom .logo {
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.4px;
        }
        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            margin-left: 8px;
            padding: 8px 16px !important;
            border-radius: 30px;
            transition: var(--transition-smooth);
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold-light);
            background: rgba(212, 175, 55, 0.08);
        }
        .btn-nav-login {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            border-radius: 30px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
            display: inline-block;
            text-align: center;
        }
        .btn-nav-login:hover {
            background: rgba(212, 175, 55, 0.1);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
        }
        .btn-nav-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #0B0C0E;
            border: none;
            border-radius: 30px;
            padding: 9px 26px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
            margin-left: 8px;
            display: inline-block;
            text-align: center;
        }
        .btn-nav-signup:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: #000;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.4);
        }
        .navbar-toggler {
            border: 1px solid var(--border-medium);
            color: var(--accent-gold);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(212, 175, 55, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        /* Hero */
        .hero-section {
            background: linear-gradient(180deg, rgba(11, 12, 14, 0.95), var(--primary-bg) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: 70px 0 60px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-badge {
            display: inline-block;
            background: rgba(212, 175, 55, 0.12);
            color: var(--accent-gold-light);
            border: 1px solid var(--border-medium);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 20px;
        }
        .hero-section h1 {
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .hero-section .subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.7;
            max-width: 680px;
        }
        .hero-group-card {
            background: var(--surface-card);
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-lg);
            padding: 28px;
            display: inline-block;
            text-align: center;
            box-shadow: var(--shadow-glow);
            max-width: 380px;
            width: 100%;
        }
        .hero-group-card .member-count {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        .hero-group-card p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }
        .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: #000;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 30px;
            display: block;
            width: 100%;
            margin-bottom: 12px;
            transition: var(--transition-smooth);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.3);
            text-align: center;
        }
        .btn-hero-primary:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            transform: translateY(-2px);
            color: #000;
        }
        .btn-hero-outline {
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            font-weight: 600;
            padding: 10px 28px;
            border-radius: 30px;
            display: block;
            width: 100%;
            transition: var(--transition-smooth);
            text-align: center;
        }
        .btn-hero-outline:hover {
            background: rgba(212, 175, 55, 0.08);
            border-color: var(--accent-gold-light);
            color: var(--accent-gold-light);
        }
        /* Section common */
        .section-padding {
            padding: 65px 0;
        }
        .section-label {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent-gold);
            font-weight: 600;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 760px;
            margin-bottom: 28px;
        }
        /* Cards */
        .card-custom {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-card);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-custom:hover {
            border-color: var(--border-medium);
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0,0,0,0.6);
        }
        .card-custom h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .card-custom p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .badge-gold {
            background: rgba(212, 175, 55, 0.15);
            color: var(--accent-gold-light);
            border-radius: 30px;
            padding: 4px 14px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 12px;
            border: 1px solid var(--border-medium);
        }
        /* Payment List */
        .payment-icon-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            margin-top: 10px;
        }
        .payment-badge {
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-subtle);
            border-radius: 40px;
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition-smooth);
        }
        .payment-badge i {
            color: var(--accent-gold);
            font-size: 1.1rem;
        }
        .payment-badge:hover {
            border-color: var(--accent-gold);
            background: rgba(212,175,55,0.05);
        }
        /* Stats */
        .stat-item {
            text-align: left;
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--accent-gold);
            line-height: 1.2;
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 4px;
        }
        /* FAQ */
        .accordion-custom .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 0;
        }
        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 20px 0;
            box-shadow: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--accent-gold-light);
            background: transparent;
            box-shadow: none;
        }
        .accordion-custom .accordion-button::after {
            filter: brightness(0) invert(1);
        }
        .accordion-custom .accordion-body {
            color: var(--text-muted);
            padding: 0 0 22px 0;
            font-size: 0.95rem;
            line-height: 1.7;
        }
        /* CTA Block */
        .cta-block {
            background: linear-gradient(135deg, rgba(20,22,27,0.98), rgba(27,29,35,0.95));
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-lg);
            padding: 45px 40px;
            text-align: left;
        }
        .btn-cta {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            color: #000;
            font-weight: 700;
            padding: 14px 36px;
            border-radius: 40px;
            font-size: 1rem;
            transition: var(--transition-smooth);
            box-shadow: 0 8px 22px rgba(212,175,55,0.35);
            display: inline-block;
        }
        .btn-cta:hover {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            transform: translateY(-2px);
            color: #000;
        }
        /* News list */
        .news-item {
            display: flex;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-subtle);
            align-items: flex-start;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--secondary-bg);
        }
        .news-content h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 4px;
        }
        .news-content .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        /* Footer */
        .footer-custom {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 45px 0 25px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }
        .footer-custom h5 {
            color: #FFFFFF;
            font-weight: 600;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-custom ul li {
            margin-bottom: 8px;
        }
        .footer-custom ul li a {
            color: var(--text-muted);
            transition: var(--transition-smooth);
        }
        .footer-custom ul li a:hover {
            color: var(--accent-gold-light);
        }
        hr {
            border-color: var(--border-subtle);
        }
        @media (max-width: 768px) {
            .navbar-custom .nav-link {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
            .navbar-custom .d-flex {
                flex-direction: column;
                align-items: center;
                gap: 8px;
                margin-top: 10px;
            }
            .btn-nav-login, .btn-nav-signup {
                width: 80%;
                text-align: center;
                margin-left: 0;
            }
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero-group-card {
                max-width: 100%;
            }
            .news-item {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
        }

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