/* roulang page: index */
:root {
            --bg-deep: #031A12;
            --bg-forest: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-subtle: rgba(16, 185, 129, 0.25);
            --card-bg: rgba(6, 46, 32, 0.7);
            --shadow-glow: 0 8px 32px rgba(245, 158, 11, 0.2);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(3, 26, 18, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(16, 185, 129, 0.2);
            transition: all 0.3s ease;
        }
        .navbar.scrolled {
            background: rgba(3, 26, 18, 0.95);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-amber);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: opacity 0.2s;
        }
        .logo:hover {
            opacity: 0.85;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-mint);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
            padding: 0.35rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
            border-bottom-color: var(--accent-amber);
        }
        .nav-buttons {
            display: flex;
            gap: 0.875rem;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.55rem 1.35rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
        }
        .btn-signup {
            background: linear-gradient(135deg, #F59E0B, #D97706);
            border: none;
            color: #031A12;
            padding: 0.55rem 1.5rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-mint);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Hero */
        .hero-section {
            padding: 9rem 0 5rem;
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3,26,18,0.75) 0%, rgba(3,26,18,0.92) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .hero-text h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.15;
            color: #FFFFFF;
            margin-bottom: 1.5rem;
        }
        .hero-text h1 span {
            color: var(--accent-amber);
        }
        .hero-text p {
            font-size: 1.15rem;
            color: var(--text-mint);
            max-width: 520px;
            margin-bottom: 2rem;
        }
        .hero-cta-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--accent-amber);
            color: #031A12;
            padding: 0.8rem 2.2rem;
            border-radius: 2.5rem;
            font-weight: 700;
            font-size: 1.05rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s;
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:hover {
            background: #FBBF24;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(245, 158, 11, 0.4);
        }
        .btn-secondary {
            background: transparent;
            border: 2px solid var(--text-mint);
            color: var(--text-mint);
            padding: 0.75rem 2rem;
            border-radius: 2.5rem;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.3s;
        }
        .btn-secondary:hover {
            background: rgba(167, 243, 208, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        .hero-visual {
            background: rgba(6, 46, 32, 0.55);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            border: 1px solid var(--border-subtle);
            aspect-ratio: 9/16;
            max-width: 320px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-card);
        }
        .hero-visual img {
            width: 100%;
            height: auto;
            border-radius: 0.75rem;
        }
        .hero-visual .video-tag {
            color: var(--text-sand);
            font-size: 0.85rem;
            margin-top: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        /* Section shared */
        .section {
            padding: 5rem 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--accent-amber);
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.4rem);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
            line-height: 1.25;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 720px;
            line-height: 1.7;
        }
        /* Category Grid */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.75rem;
            margin-top: 2.5rem;
        }
        .category-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 2rem;
            text-decoration: none;
            color: var(--text-white);
            transition: all 0.35s;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .category-card:hover {
            border-color: var(--accent-amber);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.15);
            transform: translateY(-3px);
        }
        .category-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .category-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
        }
        .category-card p {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.55;
        }
        /* Featured List */
        .featured-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        .featured-item {
            background: rgba(0,0,0,0.3);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(255,255,255,0.06);
            transition: 0.3s;
        }
        .featured-item:hover {
            border-color: var(--accent-green);
        }
        .featured-item img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .featured-item .info {
            padding: 1.25rem;
        }
        .featured-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }
        .featured-item .meta {
            font-size: 0.85rem;
            color: var(--accent-amber);
            display: flex;
            gap: 0.75rem;
        }
        /* Reputation list */
        .rep-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 2rem;
        }
        .rep-item {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            background: var(--card-bg);
            padding: 1.15rem 1.5rem;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.05);
        }
        .rep-rank {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-amber);
            min-width: 50px;
            text-align: center;
        }
        .rep-info h5 {
            font-weight: 700;
            font-size: 1.1rem;
        }
        .rep-info span {
            font-size: 0.85rem;
            color: var(--text-mint);
        }
        /* Promise strip */
        .promise-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
            margin-top: 2.5rem;
        }
        .promise-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: var(--text-mint);
            font-weight: 500;
        }
        .promise-item i {
            font-size: 1.6rem;
            color: var(--accent-green);
        }
        /* Process steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-top: 2.5rem;
        }
        .step-card {
            text-align: left;
            background: var(--card-bg);
            padding: 2rem 1.5rem;
            border-radius: var(--radius-md);
            border-top: 3px solid var(--accent-amber);
        }
        .step-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-amber);
        }
        /* CMS news area */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 2.5rem;
            margin-top: 2rem;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .news-item {
            display: flex;
            gap: 1rem;
            background: var(--card-bg);
            padding: 1rem;
            border-radius: var(--radius-md);
            text-decoration: none;
            color: inherit;
            transition: 0.2s;
        }
        .news-item:hover {
            background: rgba(16, 185, 129, 0.08);
        }
        .news-item .thumb {
            width: 100px;
            height: 70px;
            object-fit: cover;
            border-radius: 0.5rem;
            flex-shrink: 0;
        }
        .news-item h5 {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 0.25rem;
        }
        .news-item .date {
            font-size: 0.8rem;
            color: var(--accent-amber);
        }
        .news-sidebar {
            background: var(--card-bg);
            padding: 1.5rem;
            border-radius: var(--radius-md);
            height: fit-content;
        }
        .news-sidebar h4 {
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--accent-amber);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag {
            background: rgba(16,185,129,0.15);
            color: var(--text-mint);
            padding: 0.4rem 0.9rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            text-decoration: none;
            transition: 0.2s;
        }
        .tag:hover {
            background: var(--accent-green);
            color: #031A12;
        }
        /* CTA strip */
        .cta-strip {
            background: linear-gradient(135deg, #062E20, #031A12);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            margin-top: 2rem;
        }
        /* Footer */
        .footer {
            background: #020F0A;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(16,185,129,0.2);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: var(--accent-amber);
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-mint);
            text-decoration: none;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
        }
        .footer-col a:hover {
            color: #FFFFFF;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: rgba(167,243,208,0.6);
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 1.5rem;
        }
        /* FAB */
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 60;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #F59E0B);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 28px rgba(245,158,11,0.35);
            cursor: pointer;
            transition: 0.3s;
            border: 2px solid #F59E0B;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 36px rgba(245,158,11,0.55);
        }
        .fab-left i {
            color: #031A12;
            font-size: 1.5rem;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
            }
            .hero-visual {
                max-width: 240px;
                margin: 2rem auto 0;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(3,26,18,0.98);
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .hero-section {
                padding: 7rem 0 3rem;
            }
            .hero-text h1 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 520px) {
            .nav-buttons .btn-login {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
            .nav-buttons .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #031A12;
            --bg-forest: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-subtle: rgba(16, 185, 129, 0.25);
            --card-bg: rgba(6, 46, 32, 0.7);
            --shadow-glow: 0 8px 32px rgba(245, 158, 11, 0.2);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(3, 26, 18, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(16, 185, 129, 0.2);
            transition: all 0.3s ease;
        }
        .navbar.scrolled {
            background: rgba(3, 26, 18, 0.95);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-amber);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: opacity 0.2s;
        }
        .logo:hover {
            opacity: 0.85;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-mint);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
            padding: 0.35rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
            border-bottom-color: var(--accent-amber);
        }
        .nav-buttons {
            display: flex;
            gap: 0.875rem;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.55rem 1.35rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
        }
        .btn-signup {
            background: linear-gradient(135deg, #F59E0B, #D97706);
            border: none;
            color: #031A12;
            padding: 0.55rem 1.5rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-mint);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Page Banner */
        .page-banner {
            padding: 8rem 0 4rem;
            position: relative;
            background-image: url('/assets/images/backpic/back-5.jpg');
            background-size: cover;
            background-position: center;
            min-height: 55vh;
            display: flex;
            align-items: center;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3,26,18,0.8) 0%, rgba(3,26,18,0.94) 100%);
        }
        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .banner-content h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }
        .banner-content h1 span {
            color: var(--accent-amber);
        }
        .banner-content p {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 1.5rem;
        }
        .badge-hot {
            display: inline-block;
            background: #DC2626;
            color: #FFF;
            padding: 0.25rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        /* Section Styles */
        .section {
            padding: 4rem 0;
        }
        .section-muted {
            background: var(--bg-forest);
        }
        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.2rem);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
            text-align: left;
        }
        .section-subtitle {
            color: var(--text-mint);
            margin-bottom: 2.5rem;
            text-align: left;
            max-width: 600px;
        }
        /* Event Cards */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 2rem;
        }
        .event-card {
            background: var(--card-bg);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s;
            box-shadow: var(--shadow-card);
        }
        .event-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent-amber);
            box-shadow: 0 12px 32px rgba(245, 158, 11, 0.25);
        }
        .event-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .event-card-body {
            padding: 1.5rem;
        }
        .event-tag {
            display: inline-block;
            background: var(--accent-amber);
            color: #031A12;
            padding: 0.2rem 0.8rem;
            border-radius: 1rem;
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .event-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
        }
        .event-card-body p {
            font-size: 0.9rem;
            color: var(--text-mint);
            margin-bottom: 1rem;
            line-height: 1.6;
        }
        .event-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--accent-amber);
            font-size: 0.85rem;
            font-weight: 600;
        }
        /* Steps */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 1.75rem;
            max-width: 800px;
        }
        .step-item {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--accent-amber);
            color: #031A12;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
        }
        .step-text h4 {
            font-weight: 700;
            margin-bottom: 0.25rem;
            color: #FFFFFF;
        }
        .step-text p {
            color: var(--text-mint);
            font-size: 0.95rem;
        }
        /* Promo Banner */
        .promo-banner {
            background: linear-gradient(135deg, #F59E0B, #EA580C);
            border-radius: var(--radius-lg);
            padding: 3rem 2.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            box-shadow: 0 8px 40px rgba(245, 158, 11, 0.3);
        }
        .promo-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #031A12;
            margin-bottom: 0.5rem;
        }
        .promo-banner p {
            color: #3F1D00;
            font-weight: 600;
        }
        /* Info List */
        .info-list {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .info-list li {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }
        .info-list i {
            color: var(--accent-amber);
            font-size: 1.5rem;
            margin-top: 0.2rem;
        }
        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
        }
        /* CTA Section */
        .cta-section {
            text-align: center;
            padding: 5rem 0;
        }
        .btn-primary {
            background: var(--accent-amber);
            color: #031A12;
            padding: 0.9rem 2.5rem;
            border-radius: 2.5rem;
            font-weight: 700;
            font-size: 1.1rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s;
            box-shadow: var(--shadow-glow);
            cursor: pointer;
            border: none;
        }
        .btn-primary:hover {
            background: #FBBF24;
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(245, 158, 11, 0.5);
        }
        .btn-outline-light {
            background: transparent;
            border: 2px solid var(--text-mint);
            color: var(--text-mint);
            padding: 0.85rem 2.2rem;
            border-radius: 2.5rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
        }
        .btn-outline-light:hover {
            border-color: #FFF;
            color: #FFF;
            background: rgba(255,255,255,0.05);
        }
        /* Footer */
        .footer {
            background: var(--bg-forest);
            padding: 4rem 0 2rem;
            border-top: 1px solid var(--border-subtle);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        .footer-col h4 {
            color: var(--accent-amber);
            margin-bottom: 1rem;
            font-weight: 700;
        }
        .footer-col a,
        .footer-col p {
            display: block;
            color: var(--text-mint);
            text-decoration: none;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: #FFF;
        }
        .copyright {
            text-align: center;
            color: var(--text-mint);
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 2rem;
            font-size: 0.85rem;
        }
        /* FAB */
        .fab-custom {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #031A12;
            font-size: 1.6rem;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.4);
            cursor: pointer;
            transition: all 0.25s;
            border: 2px solid #F59E0B;
            animation: float 3s infinite ease-in-out;
        }
        .fab-custom:hover {
            transform: scale(1.1);
            box-shadow: 0 10px 35px rgba(245, 158, 11, 0.55);
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 1.2rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(3, 26, 18, 0.98);
                flex-direction: column;
                padding: 2rem;
                gap: 1.5rem;
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                backdrop-filter: blur(20px);
            }
            .nav-links.open {
                transform: translateX(0);
            }
            .nav-buttons {
                gap: 0.5rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
            .promo-banner {
                flex-direction: column;
                text-align: center;
            }
            .page-banner {
                min-height: 45vh;
                padding-top: 7rem;
            }
        }
        @media (max-width: 520px) {
            .event-grid,
            .news-grid {
                grid-template-columns: 1fr;
            }
            .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #031A12;
            --bg-forest: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-subtle: rgba(16, 185, 129, 0.25);
            --card-bg: rgba(6, 46, 32, 0.7);
            --shadow-glow: 0 8px 32px rgba(245, 158, 11, 0.2);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: inherit;
            text-decoration: none;
        }
        
        button {
            cursor: pointer;
            font-family: inherit;
        }
        
        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(3, 26, 18, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(16, 185, 129, 0.2);
            transition: all 0.3s ease;
        }
        
        .navbar.scrolled {
            background: rgba(3, 26, 18, 0.95);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-amber);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: opacity 0.2s;
        }
        
        .logo:hover {
            opacity: 0.85;
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        
        .nav-links a {
            color: var(--text-mint);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
            padding: 0.35rem 0;
            border-bottom: 2px solid transparent;
        }
        
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
            border-bottom-color: var(--accent-amber);
        }
        
        .nav-buttons {
            display: flex;
            gap: 0.875rem;
        }
        
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.55rem 1.35rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
        }
        
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, #F59E0B, #D97706);
            border: none;
            color: #031A12;
            padding: 0.55rem 1.5rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
        }
        
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
        }
        
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-mint);
            font-size: 1.8rem;
            cursor: pointer;
        }
        
        /* Article Page Specific Styles */
        .article-page {
            padding-top: 72px;
            min-height: 100vh;
        }
        
        /* Article Banner */
        .article-banner {
            position: relative;
            padding: 6rem 0 3rem;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
        }
        
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3, 26, 18, 0.8) 0%, rgba(3, 26, 18, 0.95) 100%);
        }
        
        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        
        .article-category {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(16, 185, 129, 0.2);
            color: var(--accent-green);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(16, 185, 129, 0.3);
        }
        
        .article-date {
            color: var(--text-mint);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        
        .article-banner h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 1.25rem;
        }
        
        .article-excerpt {
            font-size: 1.1rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 680px;
        }
        
        /* Main Content Area */
        .article-main {
            padding: 3rem 0 5rem;
        }
        
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 3rem;
            align-items: start;
        }
        
        /* Content Body */
        .article-content {
            background: rgba(6, 46, 32, 0.45);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            border: 1px solid var(--border-subtle);
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-white);
        }
        
        .article-content h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin: 2rem 0 1rem;
            line-height: 1.3;
        }
        
        .article-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-sand);
            margin: 1.75rem 0 0.875rem;
            line-height: 1.35;
        }
        
        .article-content p {
            margin-bottom: 1.25rem;
            color: var(--text-white);
        }
        
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }
        
        .article-content li {
            margin-bottom: 0.5rem;
            color: var(--text-mint);
        }
        
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
        }
        
        .article-content strong {
            color: var(--accent-amber);
            font-weight: 700;
        }
        
        .article-content a {
            color: var(--accent-green);
            text-decoration: underline;
            transition: color 0.2s;
        }
        
        .article-content a:hover {
            color: var(--accent-amber);
        }
        
        .article-content blockquote {
            border-left: 4px solid var(--accent-amber);
            background: rgba(245, 158, 11, 0.08);
            padding: 1.25rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-sand);
        }
        
        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }
        
        .sidebar-card {
            background: rgba(6, 46, 32, 0.6);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            border: 1px solid var(--border-subtle);
            margin-bottom: 1.5rem;
        }
        
        .sidebar-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--border-subtle);
        }
        
        .sidebar-card ul {
            list-style: none;
        }
        
        .sidebar-card ul li {
            margin-bottom: 0.75rem;
        }
        
        .sidebar-card ul li a {
            color: var(--text-mint);
            font-size: 0.95rem;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .sidebar-card ul li a:hover {
            color: var(--accent-amber);
            transform: translateX(4px);
        }
        
        .sidebar-card ul li a i {
            font-size: 0.75rem;
            color: var(--accent-green);
        }
        
        .sidebar-cta {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(16, 185, 129, 0.1));
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            border: 1px solid var(--accent-amber);
            text-align: center;
        }
        
        .sidebar-cta h4 {
            color: var(--accent-amber);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
        }
        
        .sidebar-cta p {
            color: var(--text-mint);
            font-size: 0.9rem;
            margin-bottom: 1.25rem;
        }
        
        .sidebar-cta .btn-primary {
            width: 100%;
            justify-content: center;
        }
        
        /* Related Articles Section */
        .related-section {
            padding: 3rem 0 5rem;
            background: rgba(6, 46, 32, 0.3);
        }
        
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 2rem;
            position: relative;
            display: inline-block;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 3px;
        }
        
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        
        .related-card {
            background: var(--card-bg);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all 0.3s ease;
        }
        
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-glow);
        }
        
        .related-card-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        
        .related-card-body {
            padding: 1.25rem;
        }
        
        .related-card-body h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        
        .related-card-body h5 a {
            transition: color 0.2s;
        }
        
        .related-card-body h5 a:hover {
            color: var(--accent-amber);
        }
        
        .related-card-body .meta {
            font-size: 0.8rem;
            color: var(--text-mint);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        
        /* CTA Section */
        .article-cta-section {
            padding: 4rem 0;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(16, 185, 129, 0.05));
            border-top: 1px solid rgba(245, 158, 11, 0.2);
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
        }
        
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 3rem;
            flex-wrap: wrap;
        }
        
        .cta-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
        }
        
        .cta-text p {
            color: var(--text-mint);
            font-size: 1.05rem;
        }
        
        .cta-buttons {
            display: flex;
            gap: 1rem;
            flex-shrink: 0;
        }
        
        /* Not Found */
        .not-found {
            text-align: center;
            padding: 6rem 2rem;
        }
        
        .not-found i {
            font-size: 4rem;
            color: var(--accent-amber);
            margin-bottom: 1.5rem;
            display: block;
        }
        
        .not-found h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
        }
        
        .not-found p {
            color: var(--text-mint);
            margin-bottom: 2rem;
        }
        
        /* Footer */
        .footer {
            background: rgba(6, 46, 32, 0.7);
            padding: 3rem 0 1.5rem;
            border-top: 1px solid var(--border-subtle);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .footer-col h4 {
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        
        .footer-col a {
            display: block;
            color: var(--text-mint);
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            transition: color 0.2s;
        }
        
        .footer-col a:hover {
            color: var(--accent-amber);
        }
        
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-mint);
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-subtle);
        }
        
        /* FAB */
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #F59E0B, #B45309);
            border: 2px solid rgba(245, 158, 11, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.35);
            transition: all 0.3s ease;
            opacity: 0.85;
            animation: fabBreathe 2.5s ease-in-out infinite;
        }
        
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 10px 32px rgba(245, 158, 11, 0.5);
        }
        
        .fab-left i {
            font-size: 1.5rem;
            color: #031A12;
        }
        
        .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #FFFFFF;
        }
        
        @keyframes fabBreathe {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-4px);
            }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-buttons {
                justify-content: center;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(3, 26, 18, 0.95);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-buttons {
                display: flex;
                gap: 0.5rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.85rem;
            }
            .mobile-toggle {
                display: block;
            }
            .article-content {
                padding: 1.5rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .article-banner {
                padding: 4rem 0 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 520px) {
            .logo {
                font-size: 1.2rem;
            }
            .nav-buttons .btn-login {
                padding: 0.4rem 0.75rem;
                font-size: 0.8rem;
            }
            .nav-buttons .btn-signup {
                padding: 0.4rem 0.75rem;
                font-size: 0.8rem;
            }
            .article-content {
                padding: 1.25rem;
                font-size: 0.95rem;
            }
            .article-content h2 {
                font-size: 1.35rem;
            }
            .article-content h3 {
                font-size: 1.15rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #031A12;
            --bg-forest: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-subtle: rgba(16, 185, 129, 0.25);
            --card-bg: rgba(6, 46, 32, 0.7);
            --shadow-glow: 0 8px 32px rgba(245, 158, 11, 0.2);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(3, 26, 18, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(16, 185, 129, 0.2);
            transition: all 0.3s ease;
        }
        .navbar.scrolled {
            background: rgba(3, 26, 18, 0.95);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-amber);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: opacity 0.2s;
        }
        .logo:hover {
            opacity: 0.85;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-mint);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
            padding: 0.35rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
            border-bottom-color: var(--accent-amber);
        }
        .nav-buttons {
            display: flex;
            gap: 0.875rem;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.55rem 1.35rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
        }
        .btn-signup {
            background: linear-gradient(135deg, #F59E0B, #D97706);
            border: none;
            color: #031A12;
            padding: 0.55rem 1.5rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-mint);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .page-header {
            padding: 8rem 0 3rem;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .page-header-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3,26,18,0.8) 0%, rgba(3,26,18,0.95) 100%);
        }
        .page-header-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .page-header-content h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }
        .page-header-content h1 span {
            color: var(--accent-amber);
        }
        .page-header-content p {
            font-size: 1.1rem;
            color: var(--text-mint);
            line-height: 1.7;
        }
        .breadcrumb {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-mint);
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 2;
        }
        .breadcrumb a {
            color: var(--accent-amber);
            text-decoration: none;
            transition: opacity 0.2s;
        }
        .breadcrumb a:hover {
            opacity: 0.8;
        }
        .section {
            padding: 4rem 0;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-mint);
            margin-bottom: 2.5rem;
            max-width: 700px;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        .tip-card {
            background: var(--card-bg);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .tip-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
            border-color: rgba(245, 158, 11, 0.4);
        }
        .tip-card-icon {
            font-size: 2rem;
            color: var(--accent-amber);
            margin-bottom: 1rem;
            display: block;
        }
        .tip-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
        }
        .tip-card p {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.6;
        }
        .tactic-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            max-width: 900px;
            margin: 0 auto;
        }
        .tactic-item {
            display: flex;
            gap: 1.5rem;
            background: rgba(6, 46, 32, 0.5);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            border-left: 4px solid var(--accent-amber);
            transition: all 0.3s;
        }
        .tactic-item:hover {
            border-left-color: var(--accent-green);
            background: rgba(6, 46, 32, 0.75);
        }
        .tactic-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-amber);
            min-width: 3rem;
            text-align: center;
            line-height: 1;
        }
        .tactic-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.4rem;
        }
        .tactic-body p {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.6;
        }
        .content-feed {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .article-card {
            background: var(--card-bg);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s;
        }
        .article-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
            border-color: rgba(245, 158, 11, 0.3);
        }
        .article-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-subtle);
        }
        .article-card-body {
            padding: 1.25rem;
        }
        .article-card-body .article-category {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            color: var(--accent-amber);
            background: rgba(245, 158, 11, 0.15);
            padding: 0.25rem 0.75rem;
            border-radius: 1rem;
            margin-bottom: 0.5rem;
        }
        .article-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.4;
            margin: 0.5rem 0;
        }
        .article-card-body h3 a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s;
        }
        .article-card-body h3 a:hover {
            color: var(--accent-amber);
        }
        .article-card-body .article-excerpt {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.5;
        }
        .article-card-body .article-meta {
            font-size: 0.8rem;
            color: #94A3B8;
            margin-top: 0.5rem;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            border: 2px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.7rem 1.8rem;
            border-radius: 2.5rem;
            font-weight: 700;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all 0.3s;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--accent-amber);
            color: #031A12;
        }
        .cta-section {
            background: var(--bg-forest);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            border: 1px solid var(--border-subtle);
            margin: 2rem 0;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }
        .cta-section p {
            color: var(--text-mint);
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .footer {
            background: #020E0A;
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
            color: var(--text-mint);
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-mint);
            text-decoration: none;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--accent-amber);
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: #6B7280;
            border-top: 1px solid rgba(16, 185, 129, 0.15);
            padding-top: 1.5rem;
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(3, 26, 18, 0.98);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1.25rem;
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.active {
                transform: translateY(0);
            }
            .mobile-toggle {
                display: block;
            }
            .nav-buttons {
                display: none;
            }
            .tips-grid,
            .content-feed {
                grid-template-columns: 1fr;
            }
            .tactic-item {
                flex-direction: column;
            }
            .page-header {
                padding: 7rem 0 2rem;
            }
        }
        @media (max-width: 520px) {
            .hero-cta-group,
            .cta-buttons {
                flex-direction: column;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #031A12;
            --bg-forest: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-subtle: rgba(16, 185, 129, 0.25);
            --card-bg: rgba(6, 46, 32, 0.7);
            --shadow-glow: 0 8px 32px rgba(245, 158, 11, 0.2);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
        }
        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(3, 26, 18, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(16, 185, 129, 0.2);
            transition: all 0.3s ease;
        }
        .navbar.scrolled {
            background: rgba(3, 26, 18, 0.95);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-amber);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: opacity 0.2s;
        }
        .logo:hover {
            opacity: 0.85;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-mint);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
            padding: 0.35rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
            border-bottom-color: var(--accent-amber);
        }
        .nav-buttons {
            display: flex;
            gap: 0.875rem;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.55rem 1.35rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
        }
        .btn-signup {
            background: linear-gradient(135deg, #F59E0B, #D97706);
            border: none;
            color: #031A12;
            padding: 0.55rem 1.5rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-mint);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Buttons */
        .btn-primary {
            background: var(--accent-amber);
            color: #031A12;
            padding: 0.8rem 2.2rem;
            border-radius: 2.5rem;
            font-weight: 700;
            font-size: 1.05rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s;
            box-shadow: var(--shadow-glow);
            cursor: pointer;
            border: none;
        }
        .btn-primary:hover {
            background: #FBBF24;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(245, 158, 11, 0.4);
        }
        .btn-secondary {
            background: transparent;
            border: 2px solid var(--text-mint);
            color: var(--text-mint);
            padding: 0.75rem 2rem;
            border-radius: 2.5rem;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.3s;
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: rgba(167, 243, 208, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        /* Hero */
        .hero-section {
            padding: 9rem 0 5rem;
            position: relative;
            background-image: url('/assets/images/backpic/back-4.jpg');
            background-size: cover;
            background-position: center;
            min-height: 75vh;
            display: flex;
            align-items: center;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3,26,18,0.8) 0%, rgba(3,26,18,0.94) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-text h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.15;
            color: #FFFFFF;
            margin-bottom: 1.5rem;
        }
        .hero-text h1 span {
            color: var(--accent-amber);
        }
        .hero-text p {
            font-size: 1.15rem;
            color: var(--text-mint);
            max-width: 650px;
            margin-bottom: 2rem;
        }
        .hero-stats {
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
            margin-bottom: 2.5rem;
        }
        .stat-item {
            text-align: left;
        }
        .stat-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-amber);
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-mint);
            font-weight: 500;
        }
        /* Section */
        .section {
            padding: 4.5rem 0;
        }
        .section-header {
            margin-bottom: 3rem;
        }
        .section-header h2 {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
        }
        .section-header p {
            color: var(--text-mint);
            font-size: 1.05rem;
            max-width: 700px;
        }
        /* Feature Grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            align-items: start;
        }
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 2rem;
            border: 1px solid var(--border-subtle);
            transition: all 0.3s ease;
            backdrop-filter: blur(8px);
        }
        .feature-card:hover {
            border-color: var(--accent-amber);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.15);
            transform: translateY(-3px);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            background: rgba(245, 158, 11, 0.15);
            border-radius: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-amber);
            margin-bottom: 1.25rem;
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.6rem;
        }
        .feature-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        /* Step Cards */
        .step-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .step-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 2rem;
            border: 1px solid var(--border-subtle);
            position: relative;
            backdrop-filter: blur(6px);
        }
        .step-number {
            font-size: 3rem;
            font-weight: 800;
            color: rgba(245, 158, 11, 0.25);
            line-height: 1;
            margin-bottom: 0.75rem;
        }
        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.6rem;
        }
        .step-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
        }
        /* Info Panel */
        .info-panel {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 3rem;
            border: 1px solid var(--border-subtle);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .info-panel img {
            border-radius: var(--radius-md);
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
        }
        .info-panel-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }
        .info-panel-content p {
            color: var(--text-mint);
            margin-bottom: 1.5rem;
        }
        .badge-row {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }
        .badge {
            background: rgba(16, 185, 129, 0.2);
            color: var(--accent-green);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(16, 185, 129, 0.3);
        }
        /* Content List */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .news-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all 0.3s ease;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
            border-color: var(--accent-amber);
        }
        .news-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            background: var(--bg-forest);
        }
        .news-card-body {
            padding: 1.25rem;
        }
        .news-card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .news-card-body p {
            color: var(--text-mint);
            font-size: 0.85rem;
            margin-bottom: 0.75rem;
        }
        .news-meta {
            font-size: 0.8rem;
            color: rgba(167, 243, 208, 0.6);
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            max-width: 850px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.05rem;
            font-weight: 600;
            padding: 1.25rem 1.5rem;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color 0.2s;
        }
        .faq-question:hover {
            color: var(--accent-amber);
        }
        .faq-question i {
            transition: transform 0.3s;
            font-size: 0.9rem;
            color: var(--accent-amber);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.65;
            background: rgba(6, 46, 32, 0.4);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.25rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-forest), var(--bg-deep));
            border-radius: var(--radius-lg);
            padding: 4rem 3rem;
            text-align: center;
            border: 1px solid var(--border-subtle);
            margin: 2rem 0;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }
        .cta-section p {
            color: var(--text-mint);
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        /* Footer */
        .footer {
            background: rgba(3, 26, 18, 0.95);
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: var(--accent-amber);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer-col a,
        .footer-col p {
            color: var(--text-mint);
            font-size: 0.9rem;
            display: block;
            margin-bottom: 0.6rem;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: #FFFFFF;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: rgba(167, 243, 208, 0.5);
            padding-top: 1.5rem;
            border-top: 1px solid rgba(16, 185, 129, 0.15);
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 7rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #F59E0B, #B45309);
            border: 2px solid #FCD34D;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #031A12;
            cursor: pointer;
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.35);
            transition: all 0.3s ease;
            opacity: 0.8;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 10px 32px rgba(245, 158, 11, 0.55);
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #FFFFFF;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .feature-grid { grid-template-columns: 1fr; }
            .step-grid { grid-template-columns: 1fr 1fr; }
            .info-panel { grid-template-columns: 1fr; padding: 2rem; gap: 2rem; }
            .news-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links, .nav-buttons { display: none; }
            .mobile-toggle { display: block; }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(3, 26, 18, 0.98);
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid var(--border-subtle);
            }
            .hero-stats { gap: 1.5rem; }
            .hero-section { min-height: auto; padding: 7rem 0 3rem; }
            .step-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .cta-section { padding: 2.5rem 1.5rem; }
        }
        @media (max-width: 520px) {
            .hero-stats { flex-direction: column; gap: 1rem; }
            .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
            .badge-row { gap: 0.5rem; }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #031A12;
            --bg-forest: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-subtle: rgba(16, 185, 129, 0.25);
            --card-bg: rgba(6, 46, 32, 0.7);
            --shadow-glow: 0 8px 32px rgba(245, 158, 11, 0.2);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(3, 26, 18, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(16, 185, 129, 0.2);
            transition: all 0.3s ease;
        }
        .navbar.scrolled {
            background: rgba(3, 26, 18, 0.95);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-amber);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: opacity 0.2s;
        }
        .logo:hover {
            opacity: 0.85;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-mint);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
            padding: 0.35rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
            border-bottom-color: var(--accent-amber);
        }
        .nav-buttons {
            display: flex;
            gap: 0.875rem;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.55rem 1.35rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
        }
        .btn-signup {
            background: linear-gradient(135deg, #F59E0B, #D97706);
            border: none;
            color: #031A12;
            padding: 0.55rem 1.5rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-mint);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .page-hero {
            padding: 9rem 0 4rem;
            position: relative;
            background-image: url('/assets/images/backpic/back-4.jpg');
            background-size: cover;
            background-position: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3,26,18,0.85) 0%, rgba(3,26,18,0.95) 100%);
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .page-hero-text h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.15;
            color: #FFFFFF;
            margin-bottom: 1.25rem;
        }
        .page-hero-text h1 span {
            color: var(--accent-amber);
        }
        .page-hero-text p {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 540px;
            margin-bottom: 2rem;
        }
        .hero-stats {
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-amber);
        }
        .hero-stat-label {
            font-size: 0.9rem;
            color: var(--text-mint);
            margin-top: 0.25rem;
        }
        .hero-visual-card {
            background: rgba(6, 46, 32, 0.45);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 2rem;
            border: 1px solid var(--border-subtle);
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .tip-preview-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(16, 185, 129, 0.15);
        }
        .tip-preview-item:last-child {
            border-bottom: none;
        }
        .tip-preview-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-amber);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .tip-preview-text {
            font-size: 0.9rem;
            color: var(--text-sand);
        }
        .section {
            padding: 4.5rem 0;
        }
        .section-label {
            display: inline-block;
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-amber);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.35rem 1rem;
            border-radius: 2rem;
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 680px;
            margin-bottom: 2.5rem;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 2rem;
        }
        .tip-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: all 0.3s;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .tip-card:hover {
            border-color: var(--accent-amber);
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(245, 158, 11, 0.25);
        }
        .tip-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-amber);
            margin-bottom: 1.25rem;
            flex-shrink: 0;
        }
        .tip-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
        }
        .tip-card p {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.6;
            flex-grow: 1;
        }
        .tip-card-tag {
            display: inline-block;
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 1rem;
            margin-top: 1rem;
            align-self: flex-start;
        }
        .strategy-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .strategy-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }
        .strategy-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .strategy-content h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1.25rem;
        }
        .strategy-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .strategy-list li {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }
        .strategy-list-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-green);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #031A12;
            font-size: 0.85rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .strategy-list-text {
            font-size: 1rem;
            color: var(--text-mint);
        }
        .strategy-list-text strong {
            color: var(--text-sand);
        }
        .video-tutorial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .video-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s;
            box-shadow: var(--shadow-card);
        }
        .video-card:hover {
            border-color: var(--accent-amber);
            transform: translateY(-3px);
        }
        .video-thumb {
            aspect-ratio: 16 / 9;
            background-size: cover;
            background-position: center;
            position: relative;
            cursor: pointer;
        }
        .video-play-btn {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0,0,0,0.4);
            transition: background 0.3s;
        }
        .video-play-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--accent-amber);
            color: #031A12;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            transition: transform 0.3s;
        }
        .video-card:hover .video-play-icon {
            transform: scale(1.1);
        }
        .video-info {
            padding: 1.25rem;
        }
        .video-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
        }
        .video-info p {
            font-size: 0.85rem;
            color: var(--text-mint);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.75rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        .faq-item:hover {
            border-color: var(--accent-amber);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-sand);
        }
        .faq-answer {
            margin-top: 1rem;
            font-size: 0.95rem;
            color: var(--text-mint);
            display: none;
            line-height: 1.6;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .cta-section {
            padding: 5rem 0;
            background: linear-gradient(135deg, rgba(6,46,32,0.9) 0%, rgba(3,26,18,0.95) 100%);
            border-top: 1px solid var(--border-subtle);
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 580px;
            margin: 0 auto 2rem;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
        }
        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--accent-amber);
            transform: translateY(-3px);
        }
        .news-card-img {
            aspect-ratio: 16 / 9;
            background-size: cover;
            background-position: center;
        }
        .news-card-body {
            padding: 1.5rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
        }
        .news-card-body .news-excerpt {
            font-size: 0.9rem;
            color: var(--text-mint);
            flex-grow: 1;
            margin-bottom: 1rem;
        }
        .news-card-body .news-meta {
            font-size: 0.8rem;
            color: var(--accent-amber);
            font-weight: 500;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            border: 1px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.6rem 1.6rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            transition: all 0.3s;
        }
        .btn-outline:hover {
            background: rgba(245, 158, 11, 0.12);
        }
        .footer {
            background: rgba(6, 46, 32, 0.8);
            border-top: 1px solid rgba(16, 185, 129, 0.2);
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-mint);
            text-decoration: none;
            font-size: 0.9rem;
            margin-bottom: 0.6rem;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--accent-amber);
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-mint);
            border-top: 1px solid rgba(16, 185, 129, 0.15);
            padding-top: 1.5rem;
        }
        .fab-btn {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #F59E0B, #D97706);
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.4);
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #031A12;
            transition: all 0.3s;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-btn:hover {
            transform: scale(1.12);
            box-shadow: 0 10px 32px rgba(245, 158, 11, 0.55);
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @media (max-width: 1024px) {
            .page-hero-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .strategy-row {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(3, 26, 18, 0.95);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                border-top: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-buttons {
                gap: 0.5rem;
            }
            .btn-login, .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .video-tutorial-grid {
                grid-template-columns: 1fr;
            }
            .page-hero {
                padding: 7rem 0 2.5rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .logo {
                font-size: 1.2rem;
            }
            .btn-login {
                padding: 0.4rem 0.9rem;
                font-size: 0.75rem;
            }
            .btn-signup {
                padding: 0.4rem 0.9rem;
                font-size: 0.75rem;
            }
            .nav-buttons {
                gap: 0.35rem;
            }
            .page-hero-text h1 {
                font-size: 1.7rem;
            }
            .tip-card {
                padding: 1.5rem;
            }
            .strategy-content h2 {
                font-size: 1.5rem;
            }
        }