/* roulang page: index */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --card-bg: rgba(5, 31, 20, 0.9);
            --card-border: rgba(245, 158, 11, 0.2);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card-hover: 0 12px 28px rgba(245, 158, 11, 0.25);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }

        * {
            box-sizing: border-box;
        }

        body {
            background: var(--primary-bg);
            color: var(--text-primary);
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.25rem;
        }

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

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

        button, .btn {
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        /* NAVIGATION */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0.75rem 0;
            transition: var(--transition-base);
        }

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

        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.35rem 0;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-gold-light);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 1px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--border-subtle);
            color: var(--accent-gold-light);
            padding: 0.5rem 1.25rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.08);
            border-color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.5rem 1.4rem;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.5);
            color: var(--primary-bg);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold-light);
            font-size: 1.5rem;
            border: none;
            padding: 0.25rem;
        }

        /* HERO */
        .hero {
            padding: 7rem 0 4rem;
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 50%, #051F14 100%);
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 1.25rem;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #F8FAFC, #FCD34D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.75rem;
            max-width: 540px;
        }

        .hero-cta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.8rem 2rem;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 8px;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(245, 158, 11, 0.55);
            color: var(--primary-bg);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold-light);
            padding: 0.8rem 1.8rem;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 8px;
        }

        .btn-outline:hover {
            background: rgba(245, 158, 11, 0.08);
            border-color: var(--accent-gold-light);
        }

        .hero-visual {
            background: rgba(11, 46, 30, 0.7);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            backdrop-filter: blur(8px);
        }

        .hero-visual img {
            border-radius: var(--radius-md);
            width: 100%;
        }

        .hero-stats {
            display: flex;
            gap: 2rem;
            margin-top: 1.5rem;
        }

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

        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #FCD34D, #F59E0B);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        /* SEARCH SECTION */
        .search-section {
            padding: 2rem 0;
        }

        .search-box {
            display: flex;
            gap: 0.5rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .search-box input {
            flex: 1;
            padding: 0.75rem 1.25rem;
            border-radius: 50px;
            border: 1.5px solid var(--border-subtle);
            background: rgba(11, 46, 30, 0.8);
            color: var(--text-primary);
            font-size: 1rem;
            outline: none;
            transition: var(--transition-base);
        }

        .search-box input:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
        }

        .search-box button {
            background: var(--accent-gold);
            color: var(--primary-bg);
            border-radius: 50px;
            padding: 0.75rem 1.5rem;
            font-weight: 700;
        }

        /* CATEGORY MATRIX */
        .category-matrix {
            padding: 3rem 0;
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            text-align: left;
            color: var(--accent-gold-light);
        }

        .section-subtitle {
            color: var(--text-secondary);
            margin-bottom: 2rem;
            font-size: 1.05rem;
            max-width: 700px;
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .matrix-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .matrix-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .matrix-card .tag {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
        }

        .matrix-card h4 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: #fff;
        }

        .matrix-card p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .matrix-link {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.95rem;
        }

        .matrix-link i {
            margin-left: 0.35rem;
            transition: transform 0.2s;
        }

        .matrix-card:hover .matrix-link i {
            transform: translateX(4px);
        }

        /* FEATURED LIST */
        .featured-list {
            padding: 3rem 0;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .featured-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
        }

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

        .featured-card img {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }

        .featured-card-body {
            padding: 1.25rem;
        }

        .featured-card-body h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
            color: #fff;
        }

        .featured-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0;
        }

        /* LATEST UPDATES */
        .latest-updates {
            padding: 3rem 0;
            background: var(--secondary-bg);
            border-radius: var(--radius-lg);
            margin: 2rem auto;
            max-width: var(--container-max);
        }

        .updates-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
            align-items: start;
        }

        .updates-list .update-item {
            display: flex;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .update-item h5 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0;
        }

        .update-item .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }

        .updates-sidebar {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
        }

        /* RANKING */
        .ranking {
            padding: 3rem 0;
        }

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

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.9rem 1.25rem;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            transition: var(--transition-base);
        }

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

        .rank-num {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--accent-gold);
            min-width: 35px;
        }

        .rank-info h5 {
            margin: 0;
            font-size: 1rem;
            font-weight: 700;
        }

        .rank-info span {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        /* RESOURCE CENTER */
        .resource-center {
            padding: 3rem 0;
        }

        .resource-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .resource-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.25rem;
            text-align: left;
            transition: var(--transition-base);
        }

        .resource-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .resource-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }

        .resource-card h5 {
            font-weight: 700;
            font-size: 1.05rem;
        }

        /* COLLECTION ENTRY */
        .collection-entry {
            padding: 3rem 0;
        }

        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .collection-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--card-border);
            transition: var(--transition-base);
        }

        .collection-card:hover {
            border-color: var(--accent-gold);
        }

        .collection-card img {
            height: 160px;
            object-fit: cover;
            width: 100%;
        }

        .collection-card-body {
            padding: 1.25rem;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1000;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border: 2px solid #F59E0B;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #051F14;
            opacity: 0.85;
            animation: gentle-float 3s ease-in-out infinite;
            transition: all 0.3s;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 10px 35px rgba(245, 158, 11, 0.55);
        }

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

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

        /* FOOTER */
        .footer {
            background: #020E0A;
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            color: var(--accent-gold-light);
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1.05rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
        }

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

        .footer-bottom {
            text-align: center;
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.5rem;
            font-size: 0.85rem;
        }

        .badge-18 {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            text-align: center;
            line-height: 36px;
            font-size: 0.75rem;
            margin-right: 0.5rem;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .featured-grid { grid-template-columns: repeat(2, 1fr); }
            .updates-grid { grid-template-columns: 1fr; }
            .resource-grid { grid-template-columns: repeat(2, 1fr); }
            .collection-grid { grid-template-columns: repeat(2, 1fr); }
            .matrix-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--primary-bg);
                padding: 1rem;
                border-radius: var(--radius-md);
                margin-top: 0.5rem;
            }
            .nav-links.active-mobile {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-actions { margin-left: auto; }
            .hero h1 { font-size: 2rem; }
            .featured-grid { grid-template-columns: 1fr; }
            .resource-grid { grid-template-columns: 1fr; }
            .collection-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 520px) {
            .hero-stats { flex-direction: column; gap: 1rem; }
        }

/* roulang page: article */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --card-bg: rgba(5, 31, 20, 0.9);
            --card-border: rgba(245, 158, 11, 0.2);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card-hover: 0 12px 28px rgba(245, 158, 11, 0.25);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }

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

        body {
            background: var(--primary-bg);
            color: var(--text-primary);
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            padding-top: 80px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.25rem;
        }

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

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

        button, .btn {
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            font-weight: 700;
        }

        /* NAVIGATION */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0.75rem 0;
            transition: var(--transition-base);
        }

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

        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.35rem 0;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-gold-light);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 1px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--border-subtle);
            color: var(--accent-gold-light);
            padding: 0.5rem 1.25rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.08);
            border-color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.5rem 1.4rem;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.5);
            color: var(--primary-bg);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold-light);
            font-size: 1.5rem;
            border: none;
            padding: 0.25rem;
        }

        /* ARTICLE CONTENT */
        .article-page {
            padding: 3rem 0 5rem;
            min-height: 60vh;
        }

        .article-header {
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            margin-bottom: 2.5rem;
            position: relative;
            overflow: hidden;
        }

        .article-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .article-category {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 1rem;
            position: relative;
            z-index: 2;
        }

        .article-header h1 {
            font-size: 2.4rem;
            line-height: 1.3;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #F8FAFC, #FCD34D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
            z-index: 2;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
            position: relative;
            z-index: 2;
        }

        .article-meta i {
            color: var(--accent-gold);
            margin-right: 0.35rem;
        }

        .article-body {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-body h2 {
            font-size: 1.75rem;
            color: var(--accent-gold-light);
            margin: 2rem 0 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--border-subtle);
        }

        .article-body h3 {
            font-size: 1.35rem;
            color: var(--accent-gold);
            margin: 1.75rem 0 0.75rem;
        }

        .article-body p {
            margin-bottom: 1.25rem;
        }

        .article-body ul, .article-body ol {
            margin: 1.25rem 0;
            padding-left: 1.5rem;
        }

        .article-body li {
            margin-bottom: 0.5rem;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            border: 1px solid var(--border-subtle);
        }

        .article-body strong {
            color: var(--accent-gold-light);
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(245, 158, 11, 0.05);
            padding: 1.25rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-secondary);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: rgba(5, 31, 20, 0.6);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .article-body th {
            background: var(--secondary-bg);
            color: var(--accent-gold-light);
            padding: 0.85rem 1rem;
            text-align: left;
            font-weight: 700;
            border-bottom: 2px solid var(--border-subtle);
        }

        .article-body td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid rgba(245, 158, 11, 0.1);
            color: var(--text-secondary);
        }

        .article-body tr:hover td {
            background: rgba(245, 158, 11, 0.05);
        }

        .not-found {
            text-align: center;
            padding: 5rem 2rem;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
        }

        .not-found i {
            font-size: 3.5rem;
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
            display: block;
        }

        .not-found h3 {
            font-size: 1.5rem;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .not-found p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

        .not-found .btn-back {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.75rem 2rem;
            border-radius: 8px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .not-found .btn-back:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(245, 158, 11, 0.45);
            color: var(--primary-bg);
        }

        /* RELATED SECTIONS */
        .related-section {
            margin-top: 3rem;
            padding: 2.5rem;
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
        }

        .related-section h3 {
            font-size: 1.5rem;
            color: var(--accent-gold-light);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .related-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
        }

        .related-link-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 1.25rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            transition: var(--transition-base);
        }

        .related-link-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .related-link-card i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }

        .related-link-card span {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
        }

        /* CTA SECTION */
        .cta-section {
            margin-top: 3rem;
            padding: 2.5rem;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(245, 158, 11, 0.02));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            text-align: left;
        }

        .cta-section h3 {
            font-size: 1.6rem;
            color: var(--accent-gold-light);
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            font-size: 1rem;
            line-height: 1.6;
        }

        .cta-btn {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.85rem 2rem;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
        }

        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(245, 158, 11, 0.45);
            color: var(--primary-bg);
        }

        /* FOOTER */
        .footer {
            background: rgba(5, 31, 20, 0.98);
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            font-size: 1.1rem;
            color: var(--accent-gold-light);
            margin-bottom: 1rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--accent-gold-light);
            padding-left: 0.35rem;
        }

        .badge-18 {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.25rem 0.6rem;
            border-radius: 4px;
            font-weight: 700;
            font-size: 0.8rem;
            margin-top: 0.75rem;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.25rem;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .article-header h1 {
                font-size: 2rem;
            }
            .article-body {
                padding: 1.75rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(5, 31, 20, 0.98);
                flex-direction: column;
                padding: 1.5rem;
                border-bottom: 1px solid var(--border-subtle);
                gap: 1rem;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-actions {
                display: flex;
            }
            .header .container {
                justify-content: space-between;
            }
            .article-header {
                padding: 1.5rem;
            }
            .article-header h1 {
                font-size: 1.6rem;
            }
            .article-body {
                padding: 1.25rem;
            }
            .article-body h2 {
                font-size: 1.35rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .related-section {
                padding: 1.5rem;
            }
            .cta-section {
                padding: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            body {
                padding-top: 70px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .article-header h1 {
                font-size: 1.35rem;
            }
            .article-body {
                padding: 1rem;
                font-size: 0.9rem;
            }
            .article-body h2 {
                font-size: 1.2rem;
            }
            .btn-login, .btn-signup {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --card-bg: rgba(5, 31, 20, 0.9);
            --card-border: rgba(245, 158, 11, 0.2);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card-hover: 0 12px 28px rgba(245, 158, 11, 0.25);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            background: var(--primary-bg);
            color: var(--text-primary);
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.25rem;
        }

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

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

        button,
        .btn {
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0.75rem 0;
            transition: var(--transition-base);
        }

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

        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.35rem 0;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold-light);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 1px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--border-subtle);
            color: var(--accent-gold-light);
            padding: 0.5rem 1.25rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.08);
            border-color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.5rem 1.4rem;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.5);
            color: var(--primary-bg);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold-light);
            font-size: 1.5rem;
            border: none;
            padding: 0.25rem;
        }

        .page-hero {
            padding: 7rem 0 4rem;
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 50%, #051F14 100%);
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }

        .page-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .page-hero-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 1.25rem;
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #F8FAFC, #FCD34D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 540px;
        }

        .btn-cta {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.85rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.45);
            gap: 0.75rem;
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(245, 158, 11, 0.6);
            color: var(--primary-bg);
        }

        .hero-stats-bar {
            display: flex;
            gap: 2rem;
            margin-top: 1.5rem;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            background: rgba(5, 31, 20, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 1rem 1.5rem;
            text-align: center;
            min-width: 120px;
        }

        .hero-stat-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }

        .page-hero-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-gold);
            border: 1px solid var(--card-border);
        }

        .page-hero-img img {
            width: 100%;
            object-fit: cover;
        }

        section {
            padding: 4rem 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
            text-align: left;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 2.5rem;
            max-width: 600px;
            text-align: left;
        }

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

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .card-strategy {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .card-strategy-tag {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .card-strategy h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--accent-gold-light);
        }

        .card-strategy p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 1.25rem;
        }

        .card-strategy-metric {
            display: flex;
            gap: 1.5rem;
            border-top: 1px solid var(--border-subtle);
            padding-top: 1rem;
            margin-top: 0.5rem;
        }

        .metric-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
        }

        .metric-label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .step-timeline {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .step-item {
            display: grid;
            grid-template-columns: 60px 1fr 180px;
            gap: 1.5rem;
            align-items: start;
        }

        .step-num {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .step-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-bottom: 0.5rem;
        }

        .step-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .step-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--card-border);
        }

        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 2rem;
        }

        .testimonial-card p {
            font-style: italic;
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        .testimonial-author {
            color: var(--accent-gold-light);
            font-weight: 700;
        }

        .cta-section {
            background: linear-gradient(135deg, #0B2E1E, #051F14);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 3rem;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }

        .posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .post-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .post-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card-hover);
        }

        .post-card-content {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .post-card-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--accent-gold-light);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .post-card-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
            flex: 1;
        }

        .post-card-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
        }

        .footer {
            background: #020E0A;
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

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

        .footer a,
        .footer p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: block;
            margin-bottom: 0.5rem;
            line-height: 1.6;
        }

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

        .badge-18 {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            border-radius: 50%;
            width: 38px;
            height: 38px;
            text-align: center;
            line-height: 38px;
            margin-top: 0.5rem;
        }

        .footer-bottom {
            text-align: center;
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 2rem;
            z-index: 90;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            border-radius: 50%;
            box-shadow: var(--shadow-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            transition: var(--transition-base);
            opacity: 0.85;
            border: 2px solid var(--accent-gold);
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.5);
        }

        .no-posts-message {
            color: var(--text-muted);
            font-style: italic;
            text-align: center;
            padding: 2rem;
        }

        @media (max-width: 1024px) {
            .grid-2,
            .page-hero-grid {
                grid-template-columns: 1fr;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .posts-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-item {
                grid-template-columns: 50px 1fr;
            }
            .step-img {
                display: none;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .grid-3,
            .grid-4,
            .posts-grid {
                grid-template-columns: 1fr;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(5, 31, 20, 0.98);
                flex-direction: column;
                gap: 0;
                padding: 1rem;
                border-top: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-actions {
                gap: 0.5rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
            .page-hero {
                padding: 6rem 0 3rem;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            section {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 2rem 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats-bar {
                gap: 0.75rem;
            }
            .hero-stat-item {
                min-width: 90px;
                padding: 0.75rem;
            }
            .hero-stat-value {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .btn-cta {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-bar {
                flex-direction: column;
            }
            .card-strategy {
                padding: 1.5rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --card-bg: rgba(5, 31, 20, 0.9);
            --card-border: rgba(245, 158, 11, 0.2);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card-hover: 0 12px 28px rgba(245, 158, 11, 0.25);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }
        * {
            box-sizing: border-box;
        }
        body {
            background: var(--primary-bg);
            color: var(--text-primary);
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        /* Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0.75rem 0;
            transition: var(--transition-base);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.35rem 0;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-gold-light);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 1px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-login {
            background: transparent;
            border: 1.5px solid var(--border-subtle);
            color: var(--accent-gold-light);
            padding: 0.5rem 1.25rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.08);
            border-color: var(--accent-gold);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.5rem 1.4rem;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.5);
            color: var(--primary-bg);
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold-light);
            font-size: 1.5rem;
            border: none;
            padding: 0.25rem;
        }
        /* Hero Banner */
        .hero {
            padding: 7rem 0 4rem;
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 50%, #051F14 100%);
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 1.25rem;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #F8FAFC, #FCD34D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        .hero-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-gold);
            border: 1px solid var(--card-border);
        }
        .hero-img-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        /* Sections */
        .section {
            padding: 4rem 0;
        }
        .section-dark {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--accent-gold-light);
            text-align: left;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 2.5rem;
            text-align: left;
            line-height: 1.7;
        }
        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.75rem;
        }
        .card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: var(--transition-base);
            box-shadow: var(--shadow-gold);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-subtle);
        }
        .card-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }
        .card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .card-tag {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }
        /* Strategy Flow */
        .strategy-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .strategy-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .strategy-list li {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .strategy-list li:last-child {
            border-bottom: none;
        }
        .strategy-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--primary-bg);
            flex-shrink: 0;
            font-size: 1.1rem;
        }
        .strategy-list .info h4 {
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.35rem;
            font-size: 1.1rem;
        }
        .strategy-list .info p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }
        /* Stats Row */
        .stats-row {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .stat-item {
            text-align: center;
        }
        .stat-item .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-item .stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 0.25rem;
        }
        /* Testimonial Card */
        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 2.5rem;
            box-shadow: var(--shadow-gold);
            position: relative;
            text-align: left;
        }
        .testimonial-card .quote-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .testimonial-card blockquote {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            border-left: none;
            padding: 0;
        }
        .testimonial-card .author {
            font-weight: 700;
            color: var(--accent-gold-light);
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0B2E1E 0%, #051F14 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 3.5rem 2.5rem;
            text-align: center;
            box-shadow: var(--shadow-gold);
        }
        .cta-section h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--accent-gold-light);
        }
        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 2rem;
        }
        .btn-cta {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.85rem 2.2rem;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
        }
        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(245, 158, 11, 0.55);
            color: var(--primary-bg);
        }
        /* News list */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.75rem;
        }
        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-gold);
        }
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-subtle);
        }
        .news-card img {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }
        .news-card-body {
            padding: 1.25rem;
        }
        .news-card-body h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .news-card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.5;
        }
        /* Footer */
        .footer {
            background: var(--secondary-bg);
            padding: 3.5rem 0 1.5rem;
            border-top: 1px solid var(--border-subtle);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .footer-col h5 {
            color: var(--accent-gold-light);
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .footer-col p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .footer-col a {
            display: block;
            color: var(--text-secondary);
            margin-bottom: 0.6rem;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--accent-gold-light);
        }
        .badge-18 {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.3rem 0.9rem;
            border-radius: 20px;
            font-weight: 800;
            font-size: 0.9rem;
            margin-top: 0.75rem;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-subtle);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 1.25rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #0B2E1E, #051F14);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold-light);
            font-size: 1.6rem;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: var(--transition-base);
            cursor: pointer;
            opacity: 0.85;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1) rotate(5deg);
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.5);
        }
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #fff;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid, .strategy-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(5, 31, 20, 0.98);
                backdrop-filter: blur(20px);
                padding: 1.5rem;
                border-bottom: 1px solid var(--border-subtle);
                gap: 1rem;
            }
            .nav-links.show {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --card-bg: rgba(5, 31, 20, 0.9);
            --card-border: rgba(245, 158, 11, 0.2);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card-hover: 0 12px 28px rgba(245, 158, 11, 0.25);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }

        body {
            background: var(--primary-bg);
            color: var(--text-primary);
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.25rem;
        }

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

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

        button,
        .btn {
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        /* NAVIGATION */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0.75rem 0;
            transition: var(--transition-base);
        }

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

        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.35rem 0;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold-light);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 1px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--border-subtle);
            color: var(--accent-gold-light);
            padding: 0.5rem 1.25rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.08);
            border-color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.5rem 1.4rem;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.5);
            color: var(--primary-bg);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold-light);
            font-size: 1.5rem;
            border: none;
            padding: 0.25rem;
        }

        /* PAGE BANNER */
        .page-banner {
            padding: 6.5rem 0 3rem;
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 50%, #051F14 100%);
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .page-banner h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #F8FAFC, #FCD34D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-banner .subtitle {
            color: var(--text-secondary);
            font-size: 1.15rem;
            line-height: 1.65;
        }

        .badge-tag {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.3rem 0.9rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 1rem;
        }

        /* COUPON HERO */
        .coupon-hero {
            padding: 3rem 0 2.5rem;
        }

        .coupon-big {
            background: linear-gradient(135deg, #0B2E1E, #0E3A28);
            border: 2px dashed var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            text-align: center;
            position: relative;
            max-width: 750px;
            margin: 0 auto;
            box-shadow: var(--shadow-gold);
        }

        .coupon-big::before,
        .coupon-big::after {
            content: '';
            position: absolute;
            top: 50%;
            width: 30px;
            height: 30px;
            background: var(--primary-bg);
            border-radius: 50%;
            border: 2px solid var(--accent-gold);
            transform: translateY(-50%);
        }

        .coupon-big::before {
            left: -16px;
        }

        .coupon-big::after {
            right: -16px;
        }

        .coupon-big h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            margin-bottom: 0.5rem;
        }

        .coupon-big .coupon-desc {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
        }

        .btn-coupon {
            background: linear-gradient(135deg, var(--accent-red), #EF4444);
            color: #fff;
            padding: 0.85rem 2.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-coupon:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(220, 38, 38, 0.55);
        }

        .coupon-meta {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-top: 1rem;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .coupon-meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        /* SECTION STYLES */
        .section {
            padding: 3.5rem 0;
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 2.25rem;
        }

        /* PAIN POINTS */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .pain-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            transition: var(--transition-base);
            text-align: left;
        }

        .pain-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .pain-card .icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold-light);
            margin-bottom: 1rem;
        }

        .pain-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--accent-gold-light);
        }

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

        /* STEPS */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }

        .step-item {
            text-align: left;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            transition: var(--transition-base);
            position: relative;
        }

        .step-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .step-num {
            display: inline-block;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-bottom: 0.4rem;
        }

        .step-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.55;
        }

        /* DATA BADGES */
        .data-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }

        .data-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 2rem 1rem;
            transition: var(--transition-base);
        }

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

        .data-number {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .data-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 0.4rem;
        }

        /* TESTIMONIALS */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: var(--transition-base);
            text-align: left;
        }

        .testimonial-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card-hover);
        }

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }

        .testimonial-card blockquote {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.65;
            margin: 0 0 1rem;
            font-style: italic;
        }

        .testimonial-card .author {
            color: var(--accent-gold-light);
            font-weight: 700;
            font-size: 0.95rem;
        }

        .testimonial-card .author-role {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* SCENARIO CARDS */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .scenario-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 0;
            overflow: hidden;
            transition: var(--transition-base);
            text-align: left;
            display: flex;
            flex-direction: column;
        }

        .scenario-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .scenario-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .scenario-card-body {
            padding: 1.5rem;
        }

        .scenario-card-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-bottom: 0.5rem;
        }

        .scenario-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.55;
        }

        /* CTA STRIP */
        .cta-strip {
            background: linear-gradient(135deg, #0B2E1E, #0E3A28);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            text-align: center;
        }

        .cta-strip h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            margin-bottom: 0.75rem;
        }

        .cta-strip p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 1.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* NEWS LIST */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            text-align: left;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-card-body {
            padding: 1.25rem;
        }

        .news-card-body .news-tag {
            display: inline-block;
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-gold-light);
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .news-card-body h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
            line-height: 1.35;
        }

        .news-card-body p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.5;
        }

        .news-card-body .news-date {
            color: var(--text-muted);
            font-size: 0.8rem;
            margin-top: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        /* FOOTER */
        .footer {
            background: #030F0B;
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
            color: var(--text-secondary);
        }

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

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

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            transition: var(--transition-base);
        }

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

        .badge-18 {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.25rem 0.65rem;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-top: 0.75rem;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--card-border);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* RESPONSIVE */
        @media screen and (max-width: 1024px) {
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

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

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

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

            .page-banner h1 {
                font-size: 2rem;
            }
        }

        @media screen and (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(5, 31, 20, 0.98);
                padding: 1rem 1.25rem;
                border-bottom: 1px solid var(--border-subtle);
                gap: 0.75rem;
            }

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

            .mobile-toggle {
                display: block;
            }

            .nav-actions {
                display: flex;
            }

            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                font-size: 0.8rem;
                padding: 0.4rem 1rem;
            }

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

            .steps-flow {
                grid-template-columns: 1fr;
            }

            .data-row {
                grid-template-columns: 1fr;
            }

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

            .coupon-big {
                padding: 1.75rem;
            }

            .coupon-big h2 {
                font-size: 1.5rem;
            }

            .page-banner h1 {
                font-size: 1.7rem;
            }

            .section-title {
                font-size: 1.55rem;
            }
        }

        @media screen and (max-width: 520px) {
            .header .container {
                flex-wrap: wrap;
            }

            .logo {
                font-size: 1.2rem;
            }

            .coupon-big h2 {
                font-size: 1.3rem;
            }

            .btn-coupon {
                padding: 0.7rem 1.75rem;
                font-size: 0.95rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --card-bg: rgba(5, 31, 20, 0.9);
            --card-border: rgba(245, 158, 11, 0.2);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card-hover: 0 12px 28px rgba(245, 158, 11, 0.25);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            background: var(--primary-bg);
            color: var(--text-primary);
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.25rem;
        }

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

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

        button,
        .btn {
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0.75rem 0;
            transition: var(--transition-base);
        }

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

        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.35rem 0;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold-light);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 1px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--border-subtle);
            color: var(--accent-gold-light);
            padding: 0.5rem 1.25rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.08);
            border-color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.5rem 1.4rem;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.5);
            color: var(--primary-bg);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold-light);
            font-size: 1.5rem;
            border: none;
            padding: 0.25rem;
        }

        .page-banner {
            padding: 7rem 0 3.5rem;
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 50%, #051F14 100%);
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.35rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 1rem;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.75rem;
            background: linear-gradient(135deg, #F8FAFC, #FCD34D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-banner p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section {
            padding: 3.5rem 0;
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--accent-gold-light);
            text-align: left;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            text-align: left;
            line-height: 1.6;
            max-width: 700px;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .faq-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            transition: var(--transition-base);
            position: relative;
        }

        .faq-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .faq-card .faq-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }

        .faq-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.65rem;
            line-height: 1.4;
        }

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

        .highlight-box {
            background: linear-gradient(135deg, #0B2E1E, #051F14);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
            margin-top: 1rem;
        }

        .highlight-box img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-gold);
        }

        .highlight-box h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-bottom: 1rem;
        }

        .highlight-box ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .highlight-box ul li {
            padding: 0.6rem 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            border-bottom: 1px solid rgba(245, 158, 11, 0.08);
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
        }

        .highlight-box ul li i {
            color: var(--accent-gold);
            font-size: 0.75rem;
            margin-top: 0.35rem;
        }

        .cta-strip {
            background: linear-gradient(135deg, #0B2E1E, #051F14);
            border: 2px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            text-align: center;
        }

        .cta-strip h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--accent-gold-light);
        }

        .cta-strip p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: var(--primary-bg);
            padding: 0.85rem 2.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(245, 158, 11, 0.45);
            color: var(--primary-bg);
        }

        .articles-mini {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }

        .mini-article {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            padding: 1.35rem;
            transition: var(--transition-base);
        }

        .mini-article:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .mini-article h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }

        .mini-article .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            display: flex;
            gap: 0.75rem;
            align-items: center;
        }

        .mini-article p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        .no-updates {
            text-align: center;
            color: var(--text-muted);
            padding: 2rem;
            font-size: 0.95rem;
            grid-column: 1 / -1;
        }

        .footer {
            background: linear-gradient(180deg, #031109, #020A06);
            border-top: 1px solid var(--border-subtle);
            padding: 2.5rem 0 1.5rem;
            margin-top: 1rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

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

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            transition: var(--transition-base);
        }

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

        .badge-18 {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.35rem 0.8rem;
            border-radius: 4px;
            font-weight: 800;
            font-size: 0.8rem;
            margin-top: 0.75rem;
            letter-spacing: 0.5px;
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(245, 158, 11, 0.1);
        }

        @media screen and (max-width: 1024px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }

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

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

        @media screen and (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--primary-bg);
                padding: 1rem;
                border-radius: var(--radius-sm);
                margin-top: 0.75rem;
                gap: 0.75rem;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                border: 1px solid var(--border-subtle);
            }

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

            .mobile-toggle {
                display: block;
            }

            .page-banner h1 {
                font-size: 1.8rem;
            }

            .highlight-box {
                grid-template-columns: 1fr;
            }

            .articles-mini {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 1.5rem;
            }
        }

        @media screen and (max-width: 520px) {
            .nav-actions {
                gap: 0.4rem;
            }

            .btn-login,
            .btn-signup {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }

            .page-banner h1 {
                font-size: 1.5rem;
            }

            .faq-card {
                padding: 1.25rem;
            }

            .cta-strip {
                padding: 1.5rem;
            }

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