/* roulang page: index */
:root {
            --bg-primary: #0A0A0A;
            --bg-secondary: #171717;
            --accent-primary: #EA580C;
            --accent-secondary: #EF4444;
            --text-primary: #FFFFFF;
            --text-secondary: #A3A3A3;
            --text-warm: #FDBA74;
            --border-subtle: rgba(234, 88, 12, 0.15);
            --border-active: rgba(234, 88, 12, 0.6);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 24px rgba(234, 88, 12, 0.08);
            --shadow-glow: 0 6px 30px rgba(234, 88, 12, 0.2);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: rgba(10, 10, 10, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-primary);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: 24px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
            background-color: rgba(234, 88, 12, 0.12);
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-login:hover {
            border-color: var(--accent-primary);
            background: rgba(234, 88, 12, 0.1);
        }

        .btn-signup {
            padding: 8px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            color: #000;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            border: none;
            box-shadow: 0 4px 16px rgba(234, 88, 12, 0.35);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(234, 88, 12, 0.55);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }

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

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(10, 10, 10, 0.98);
            backdrop-filter: blur(24px);
            z-index: 99;
            padding: 32px 24px;
            display: none;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }

        .mobile-drawer.active {
            display: flex;
        }

        .mobile-drawer a {
            font-size: 1.2rem;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 12px;
            color: var(--text-secondary);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--text-primary);
            background: rgba(234, 88, 12, 0.12);
        }

        .mobile-drawer .btn-login,
        .mobile-drawer .btn-signup {
            display: block;
            text-align: center;
            width: 100%;
            margin-top: 8px;
        }

        /* Hero */
        .hero-section {
            padding: 120px 0 80px;
            background: linear-gradient(180deg, rgba(234, 88, 12, 0.08) 0%, transparent 40%);
            position: relative;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, #EA580C, #FDBA74);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-buttons .btn-primary {
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            color: #000;
            box-shadow: var(--shadow-glow);
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-buttons .btn-primary:hover {
            box-shadow: 0 10px 36px rgba(234, 88, 12, 0.45);
            transform: translateY(-2px);
        }

        .hero-visual {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .hero-visual .stat-card {
            background: rgba(23, 23, 23, 0.8);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(8px);
        }

        .stat-card .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-primary);
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .hero-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--bg-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-content h1 {
                font-size: 2.2rem;
            }

            .hero-visual {
                order: -1;
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0 60px;
            }

            .hero-content h1 {
                font-size: 1.8rem;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-buttons .btn-primary {
                justify-content: center;
            }
        }

        /* Sections Generic */
        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-primary);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 700px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }

            .section {
                padding: 56px 0;
            }
        }

        /* Problem Statement */
        .problem-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .problem-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .problem-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #EA580C, #EF4444);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition-base);
        }

        .problem-card:hover::before {
            transform: scaleX(1);
        }

        .problem-icon {
            font-size: 1.8rem;
            color: var(--accent-primary);
            margin-bottom: 16px;
        }

        .problem-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .problem-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

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

        /* Demo / Steps */
        .steps-timeline {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .step-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #000;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

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

        /* Result Preview */
        .result-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .result-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

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

        .result-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .result-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .result-item i {
            color: var(--accent-primary);
            font-size: 1.3rem;
            margin-top: 2px;
        }

        .result-item h5 {
            font-weight: 700;
            margin-bottom: 4px;
        }

        .result-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

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

        /* Stuck Points */
        .stuck-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .stuck-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: var(--transition-base);
        }

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

        .stuck-card .stuck-icon {
            font-size: 1.5rem;
            color: #EF4444;
            flex-shrink: 0;
        }

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

        /* Success Path */
        .path-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .path-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            transition: var(--transition-base);
            position: relative;
        }

        .path-card .path-num {
            position: absolute;
            top: -16px;
            left: 50%;
            transform: translateX(-50%);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-primary);
            color: #000;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
        }

        .path-card h4 {
            font-weight: 700;
            margin: 8px 0 6px;
        }

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

        @media (max-width: 1024px) {
            .path-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        /* CMS News List */
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            transition: var(--transition-base);
        }

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

        .news-thumb {
            width: 100px;
            height: 80px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: #1a1a1a;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-info h5 {
            font-weight: 700;
            margin-bottom: 4px;
            font-size: 0.95rem;
            line-height: 1.4;
        }

        .news-info .news-date {
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        .news-info .news-excerpt {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-top: 4px;
            line-height: 1.4;
        }

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

        .sidebar-recommend h4 {
            font-weight: 800;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }

        .sidebar-recommend ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sidebar-recommend ul li a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition-base);
        }

        .sidebar-recommend ul li a:hover {
            color: var(--accent-primary);
        }

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

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(234, 88, 12, 0.12), rgba(239, 68, 68, 0.08));
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            margin-top: 40px;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1rem;
        }

        .cta-section .btn-primary {
            padding: 14px 40px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            color: #000;
            box-shadow: var(--shadow-glow);
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-section .btn-primary:hover {
            box-shadow: 0 10px 36px rgba(234, 88, 12, 0.5);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 32px;
            margin-top: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-weight: 800;
            margin-bottom: 16px;
            font-size: 1rem;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--accent-primary);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .footer-badges {
            display: flex;
            gap: 14px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .badge-icon {
            padding: 8px 16px;
            border-radius: 20px;
            background: rgba(234, 88, 12, 0.1);
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-primary);
            border: 1px solid var(--border-subtle);
        }

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

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAB (Volcanic Basalt & Magma Orange -> Cyber/Neon Style Pill) */
        .fab-float {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: rgba(10, 10, 10, 0.8);
            backdrop-filter: blur(14px);
            border: 1.5px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 20px rgba(234, 88, 12, 0.4);
            transition: var(--transition-base);
            cursor: pointer;
            color: #FDBA74;
            font-size: 1.5rem;
        }

        .fab-float::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 20px;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            z-index: -1;
            opacity: 0.8;
        }

        .fab-float:hover {
            box-shadow: 0 0 32px rgba(234, 88, 12, 0.65);
            transform: scale(1.05);
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: #EF4444;
            border: 2px solid #0A0A0A;
            animation: pulse-dot 1.8s infinite;
        }

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

/* roulang page: category1 */
:root {
            --bg-primary: #0A0A0A;
            --bg-secondary: #171717;
            --accent-primary: #EA580C;
            --accent-secondary: #EF4444;
            --text-primary: #FFFFFF;
            --text-secondary: #A3A3A3;
            --text-warm: #FDBA74;
            --border-subtle: rgba(234, 88, 12, 0.15);
            --border-active: rgba(234, 88, 12, 0.6);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 24px rgba(234, 88, 12, 0.08);
            --shadow-glow: 0 6px 30px rgba(234, 88, 12, 0.2);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: rgba(10, 10, 10, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-primary);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: 24px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
            background-color: rgba(234, 88, 12, 0.12);
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-login:hover {
            border-color: var(--accent-primary);
            background: rgba(234, 88, 12, 0.1);
        }

        .btn-signup {
            padding: 8px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            color: #000;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            border: none;
            box-shadow: 0 4px 16px rgba(234, 88, 12, 0.35);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(234, 88, 12, 0.55);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(10, 10, 10, 0.98);
            backdrop-filter: blur(24px);
            z-index: 99;
            padding: 32px 24px;
            display: none;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }

        .mobile-drawer.active {
            display: flex;
        }

        .mobile-drawer a {
            font-size: 1.2rem;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 12px;
            color: var(--text-secondary);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--text-primary);
            background: rgba(234, 88, 12, 0.12);
        }

        .mobile-drawer .btn-login,
        .mobile-drawer .btn-signup {
            display: block;
            text-align: center;
            width: 100%;
            margin-top: 8px;
        }

        /* Page Hero */
        .page-hero {
            padding: 120px 0 80px;
            background: linear-gradient(180deg, rgba(234, 88, 12, 0.08) 0%, transparent 40%);
            position: relative;
        }

        .page-hero-content {
            max-width: 720px;
            margin: 0 auto;
        }

        .page-hero-content .badge {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(234, 88, 12, 0.15);
            color: var(--text-warm);
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid var(--border-subtle);
        }

        .page-hero-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .page-hero-content h1 span {
            background: linear-gradient(135deg, #EA580C, #FDBA74);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero-content p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            color: #000;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 28px;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: var(--shadow-glow);
        }

        .btn-cta:hover {
            box-shadow: 0 8px 32px rgba(234, 88, 12, 0.45);
            transform: translateY(-2px);
        }

        /* Promo Cards Grid */
        .promo-grid-section {
            padding: 60px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .promo-cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-bottom: 32px;
        }

        .promo-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .promo-card:hover {
            border-color: var(--border-active);
            box-shadow: 0 8px 32px rgba(234, 88, 12, 0.18);
            transform: translateY(-4px);
        }

        .promo-card .promo-tag {
            display: inline-block;
            padding: 4px 14px;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 16px;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        .promo-card .promo-tag.vip {
            background: linear-gradient(135deg, #D4AF37, #F59E0B);
            color: #000;
        }

        .promo-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .promo-card .promo-value {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(135deg, #EA580C, #FDBA74);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }

        .promo-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 18px;
        }

        .promo-card .btn-outline {
            padding: 10px 22px;
            border: 1px solid var(--border-active);
            color: var(--text-warm);
            background: transparent;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            display: inline-block;
        }

        .promo-card .btn-outline:hover {
            background: rgba(234, 88, 12, 0.12);
        }

        /* Process Steps */
        .steps-section {
            padding: 60px 0;
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            margin: 40px 0;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            padding: 32px;
        }

        .step-item {
            padding: 20px;
            border-left: 2px solid var(--border-subtle);
            transition: var(--transition-base);
        }

        .step-item:hover {
            border-left-color: var(--accent-primary);
        }

        .step-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: rgba(234, 88, 12, 0.2);
            margin-bottom: 12px;
            line-height: 1;
        }

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

        .step-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* Payment Methods */
        .payment-section {
            padding: 60px 0;
        }

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

        .payment-method {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition-base);
        }

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

        .payment-method i {
            font-size: 2rem;
            color: var(--accent-primary);
            margin-bottom: 12px;
        }

        .payment-method h5 {
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .payment-method span {
            font-size: 0.8rem;
            color: var(--text-warm);
        }

        /* FAQ */
        .faq-section {
            padding: 60px 0;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            margin-bottom: 14px;
            transition: var(--transition-base);
            cursor: pointer;
        }

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

        .faq-item summary {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item p {
            color: var(--text-secondary);
            margin-top: 12px;
            line-height: 1.7;
            font-size: 0.95rem;
        }

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

        .content-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .content-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .content-card:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

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

        .content-card-body {
            padding: 20px;
        }

        .content-card-body .card-category {
            font-size: 0.8rem;
            color: var(--text-warm);
            font-weight: 600;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .content-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .content-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 28px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--text-warm);
        }

        .footer-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

        .badge-icon {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(234, 88, 12, 0.1);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-warm);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-bottom p {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(10, 10, 10, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-radius: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 1.4rem;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 20px rgba(234, 88, 12, 0.3);
            animation: fabPulse 2.5s ease-in-out infinite;
        }

        .fab-left:hover {
            box-shadow: 0 0 32px rgba(234, 88, 12, 0.55);
            transform: scale(1.1);
        }

        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 20px rgba(234, 88, 12, 0.3); }
            50% { box-shadow: 0 0 36px rgba(234, 88, 12, 0.6); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container { padding: 0 20px; }
            .promo-cards-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .content-grid { grid-template-columns: 1fr; }
            .page-hero-content h1 { font-size: 2.2rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-menu-toggle { display: block; }
            .footer-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .payment-grid { grid-template-columns: 1fr 1fr; }
            .page-hero-content h1 { font-size: 1.8rem; }
            .fab-left { left: 16px; bottom: 80px; width: 48px; height: 48px; font-size: 1.2rem; }
        }

        @media (max-width: 520px) {
            .page-hero { padding: 100px 0 60px; }
            .section-title { font-size: 1.5rem; }
            .promo-card { padding: 20px; }
            .promo-card .promo-value { font-size: 1.6rem; }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A0A0A;
            --bg-secondary: #171717;
            --accent-primary: #EA580C;
            --accent-secondary: #EF4444;
            --text-primary: #FFFFFF;
            --text-secondary: #A3A3A3;
            --text-warm: #FDBA74;
            --border-subtle: rgba(234, 88, 12, 0.15);
            --border-active: rgba(234, 88, 12, 0.6);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 24px rgba(234, 88, 12, 0.08);
            --shadow-glow: 0 6px 30px rgba(234, 88, 12, 0.2);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        * {
            box-sizing: border-box;
        }

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

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

        button, input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: rgba(10, 10, 10, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-primary);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: 24px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
            background-color: rgba(234, 88, 12, 0.12);
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-login:hover {
            border-color: var(--accent-primary);
            background: rgba(234, 88, 12, 0.1);
        }

        .btn-signup {
            padding: 8px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            color: #000;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            border: none;
            box-shadow: 0 4px 16px rgba(234, 88, 12, 0.35);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(234, 88, 12, 0.55);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(10, 10, 10, 0.98);
            backdrop-filter: blur(24px);
            z-index: 99;
            padding: 32px 24px;
            display: none;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }

        .mobile-drawer.active {
            display: flex;
        }

        .mobile-drawer a {
            font-size: 1.2rem;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 12px;
            color: var(--text-secondary);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--text-primary);
            background: rgba(234, 88, 12, 0.12);
        }

        .mobile-drawer .btn-login,
        .mobile-drawer .btn-signup {
            display: block;
            text-align: center;
            width: 100%;
            margin-top: 8px;
        }

        /* Article Page Layout */
        .article-page {
            padding-top: 100px;
            padding-bottom: 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

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

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: var(--text-warm);
            transition: var(--transition-base);
        }

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

        .breadcrumb .separator {
            color: var(--text-secondary);
        }

        /* Article Header */
        .article-header {
            margin-bottom: 32px;
        }

        .article-category-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            background: rgba(234, 88, 12, 0.2);
            color: var(--accent-primary);
            border: 1px solid var(--border-subtle);
            margin-bottom: 16px;
        }

        .article-header h1 {
            font-size: 2.4rem;
            font-weight: 900;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .article-meta i {
            color: var(--accent-primary);
            margin-right: 6px;
        }

        /* Featured Image */
        .article-featured-image {
            margin-bottom: 32px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .article-featured-image img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        /* Article Content */
        .article-body {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-top: 40px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border-subtle);
        }

        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-warm);
            margin-top: 32px;
            margin-bottom: 12px;
        }

        .article-body p {
            margin-bottom: 16px;
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }

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

        .article-body strong {
            color: var(--text-primary);
            font-weight: 700;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(234, 88, 12, 0.05);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-primary);
            font-style: italic;
        }

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

        /* Not Found */
        .not-found {
            text-align: center;
            padding: 80px 0;
        }

        .not-found i {
            font-size: 4rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            display: block;
        }

        .not-found h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .not-found p {
            color: var(--text-secondary);
            margin-bottom: 32px;
            font-size: 1.1rem;
        }

        .btn-return {
            display: inline-block;
            padding: 12px 32px;
            border-radius: 24px;
            font-weight: 700;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            color: #000;
            box-shadow: var(--shadow-glow);
            transition: var(--transition-base);
        }

        .btn-return:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(234, 88, 12, 0.4);
        }

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

        .sidebar-widget h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-subtle);
        }

        .sidebar-widget ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-widget ul li {
            margin-bottom: 12px;
        }

        .sidebar-widget ul li a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 8px 0;
            color: var(--text-secondary);
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition-base);
        }

        .sidebar-widget ul li a:hover {
            color: var(--accent-primary);
            padding-left: 4px;
        }

        .sidebar-widget ul li:last-child a {
            border-bottom: none;
        }

        .widget-cta {
            background: linear-gradient(135deg, rgba(234, 88, 12, 0.2), rgba(239, 68, 68, 0.2));
            border: 2px solid var(--border-active);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
        }

        .widget-cta i {
            font-size: 2.5rem;
            color: var(--accent-primary);
            margin-bottom: 12px;
            display: block;
        }

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

        .widget-cta .btn-signup {
            display: inline-block;
            width: auto;
            font-size: 0.9rem;
        }

        /* Related Articles Section */
        .related-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px solid var(--border-subtle);
        }

        .related-section h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 24px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            cursor: pointer;
        }

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

        .related-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .related-card-body {
            padding: 16px;
        }

        .related-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

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

        /* Footer */
        .site-footer {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

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

        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 12px;
        }

        .badge-icon {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }

        .badge-icon i {
            color: var(--accent-primary);
        }

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

        .footer-bottom p {
            margin: 0;
        }

        /* FAB */
        .fab-container {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
        }

        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            border: 2px solid var(--border-active);
            box-shadow: 0 6px 25px rgba(234, 88, 12, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
            opacity: 0.8;
            animation: fabBounce 2s infinite;
        }

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

        .fab-btn:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(234, 88, 12, 0.55);
            animation: none;
        }

        .fab-btn i {
            font-size: 1.5rem;
            color: #fff;
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            background: #EF4444;
            border-radius: 50%;
            border: 2px solid #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                position: static;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            .article-body {
                font-size: 1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .article-header h1 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A0A0A;
            --bg-secondary: #171717;
            --accent-primary: #EA580C;
            --accent-secondary: #EF4444;
            --text-primary: #FFFFFF;
            --text-secondary: #A3A3A3;
            --text-warm: #FDBA74;
            --border-subtle: rgba(234, 88, 12, 0.15);
            --border-active: rgba(234, 88, 12, 0.6);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 24px rgba(234, 88, 12, 0.08);
            --shadow-glow: 0 6px 30px rgba(234, 88, 12, 0.2);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: rgba(10, 10, 10, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-primary);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: 24px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
            background-color: rgba(234, 88, 12, 0.12);
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-login:hover {
            border-color: var(--accent-primary);
            background: rgba(234, 88, 12, 0.1);
        }

        .btn-signup {
            padding: 8px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            color: #000;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            border: none;
            box-shadow: 0 4px 16px rgba(234, 88, 12, 0.35);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(234, 88, 12, 0.55);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }

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

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(10, 10, 10, 0.98);
            backdrop-filter: blur(24px);
            z-index: 99;
            padding: 32px 24px;
            display: none;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }

        .mobile-drawer.active {
            display: flex;
        }

        .mobile-drawer a {
            font-size: 1.2rem;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 12px;
            color: var(--text-secondary);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--text-primary);
            background: rgba(234, 88, 12, 0.12);
        }

        .mobile-drawer .btn-login,
        .mobile-drawer .btn-signup {
            display: block;
            text-align: center;
            width: 100%;
            margin-top: 8px;
        }

        /* Page Hero */
        .page-hero {
            padding: 120px 0 64px;
            background: linear-gradient(180deg, rgba(234, 88, 12, 0.12) 0%, transparent 50%);
            position: relative;
        }

        .page-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .page-hero-content h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
        }

        .page-hero-content h1 span {
            background: linear-gradient(135deg, #EA580C, #FDBA74);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 540px;
        }

        .page-hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-glow);
            border: 1px solid var(--border-subtle);
        }

        @media (max-width: 768px) {
            .page-hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .page-hero-content p {
                font-size: 1rem;
            }

            .page-hero-visual {
                order: -1;
            }
        }

        /* Section Styles */
        .section {
            padding: 72px 0;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
        }

        .section-divider {
            height: 1px;
            background: var(--border-subtle);
            margin: 0;
        }

        /* Guide Steps */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .step-number {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(234, 88, 12, 0.15);
            position: absolute;
            top: 8px;
            right: 16px;
            line-height: 1;
        }

        .step-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            color: #000;
        }

        .step-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        @media (max-width: 768px) {
            .guide-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* Rules Table */
        .rules-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
        }

        .rules-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .rules-table th {
            background: rgba(234, 88, 12, 0.12);
            padding: 16px 20px;
            text-align: left;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-warm);
            border-bottom: 2px solid var(--border-active);
        }

        .rules-table td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.95rem;
            color: var(--text-secondary);
        }

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

        .rules-table .highlight-cell {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Tips Cards */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .tip-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: var(--transition-base);
        }

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

        .tip-number {
            width: 36px;
            height: 36px;
            background: var(--accent-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            color: #000;
            flex-shrink: 0;
        }

        .tip-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .tip-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

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

        /* CTA Block */
        .cta-block {
            background: linear-gradient(135deg, rgba(234, 88, 12, 0.1) 0%, rgba(239, 68, 68, 0.1) 100%);
            border: 1px solid var(--border-active);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: left;
        }

        .cta-block h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-block p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 500px;
        }

        .cta-block .btn-cta {
            display: inline-block;
            padding: 14px 36px;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            color: #000;
            font-weight: 800;
            font-size: 1.05rem;
            border-radius: 28px;
            box-shadow: 0 6px 24px rgba(234, 88, 12, 0.4);
            transition: var(--transition-base);
        }

        .cta-block .btn-cta:hover {
            box-shadow: 0 8px 32px rgba(234, 88, 12, 0.6);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-block {
                padding: 32px 20px;
                text-align: center;
            }

            .cta-block p {
                max-width: 100%;
            }
        }

        /* News List */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .news-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .news-card:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

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

        .news-card-body {
            padding: 16px;
        }

        .news-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

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

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--text-warm);
        }

        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 12px;
        }

        .badge-icon {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(234, 88, 12, 0.1);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-warm);
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAB */
        .fab-float {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #000;
            box-shadow: 0 6px 25px rgba(234, 88, 12, 0.35);
            cursor: pointer;
            transition: var(--transition-base);
            border: 2px solid rgba(253, 186, 116, 0.5);
        }

        .fab-float:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(234, 88, 12, 0.55);
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A0A0A;
            --bg-secondary: #171717;
            --accent-primary: #EA580C;
            --accent-secondary: #EF4444;
            --text-primary: #FFFFFF;
            --text-secondary: #A3A3A3;
            --text-warm: #FDBA74;
            --border-subtle: rgba(234, 88, 12, 0.15);
            --border-active: rgba(234, 88, 12, 0.6);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 24px rgba(234, 88, 12, 0.08);
            --shadow-glow: 0 6px 30px rgba(234, 88, 12, 0.2);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* roulang page: category3 */
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: rgba(10, 10, 10, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-primary);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: 24px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
            background-color: rgba(234, 88, 12, 0.12);
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-primary);
            background: rgba(234, 88, 12, 0.1);
        }

        .btn-signup {
            padding: 8px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            color: #000;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            border: none;
            box-shadow: 0 4px 16px rgba(234, 88, 12, 0.35);
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(234, 88, 12, 0.55);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(10, 10, 10, 0.98);
            backdrop-filter: blur(24px);
            z-index: 99;
            padding: 32px 24px;
            display: none;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }

        .mobile-drawer.active {
            display: flex;
        }

        .mobile-drawer a {
            font-size: 1.2rem;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 12px;
            color: var(--text-secondary);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--text-primary);
            background: rgba(234, 88, 12, 0.12);
        }

        .mobile-drawer .btn-login,
        .mobile-drawer .btn-signup {
            display: block;
            text-align: center;
            width: 100%;
            margin-top: 8px;
        }

        /* Hero Section */
        .hero-section {
            padding: 120px 0 80px;
            background: linear-gradient(180deg, rgba(234, 88, 12, 0.08) 0%, transparent 40%);
            position: relative;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, #EA580C, #FDBA74);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-glow);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 32px;
            font-weight: 700;
            font-size: 1.05rem;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            color: #000;
            border: none;
            cursor: pointer;
            box-shadow: 0 6px 24px rgba(234, 88, 12, 0.4);
            transition: var(--transition-base);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 36px rgba(234, 88, 12, 0.6);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 32px;
            font-weight: 700;
            font-size: 1.05rem;
            background: transparent;
            color: #fff;
            border: 2px solid var(--border-active);
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-outline:hover {
            background: rgba(234, 88, 12, 0.1);
            border-color: var(--accent-primary);
        }

        /* Section Common */
        .section-block {
            padding: 80px 0;
        }

        .section-label {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            background: rgba(234, 88, 12, 0.12);
            color: var(--text-warm);
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
        }

        /* Before After Comparison */
        .compare-strip {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 48px;
        }

        .compare-box {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            border: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .compare-box.negative {
            border-left: 4px solid #6B7280;
        }

        .compare-box.positive {
            border-left: 4px solid var(--accent-primary);
            background: linear-gradient(135deg, rgba(234, 88, 12, 0.06), var(--bg-secondary));
        }

        .compare-box h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        .compare-box ul li {
            padding: 8px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
        }

        .compare-box.positive ul li {
            color: var(--text-primary);
        }

        .compare-box ul li i {
            width: 20px;
        }

        .compare-box.negative ul li i {
            color: #9CA3AF;
        }

        .compare-box.positive ul li i {
            color: var(--accent-primary);
        }

        /* Promo Cards */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        .promo-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: 32px;
            border: 1px solid var(--border-subtle);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .promo-card .card-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            background: linear-gradient(135deg, #EF4444, #EA580C);
            color: #fff;
        }

        .promo-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(234, 88, 12, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-primary);
            margin-bottom: 20px;
        }

        .promo-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .promo-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .promo-value {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(135deg, #FDBA74, #EA580C);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin: 16px 0;
        }

        .btn-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: #fff;
            background: rgba(234, 88, 12, 0.15);
            border: 1px solid var(--border-active);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-card:hover {
            background: var(--accent-primary);
            color: #000;
            border-color: var(--accent-primary);
            box-shadow: 0 4px 18px rgba(234, 88, 12, 0.35);
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-subtle);
            counter-increment: step;
        }

        .step-item::before {
            content: counter(step);
            position: absolute;
            top: -18px;
            left: 20px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(234, 88, 12, 0.3);
        }

        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 16px 0 8px;
        }

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

        /* Events Timeline */
        .event-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 40px;
        }

        .event-item {
            display: flex;
            gap: 24px;
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            align-items: center;
            transition: var(--transition-base);
        }

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

        .event-date {
            min-width: 80px;
            text-align: center;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--accent-primary);
        }

        .event-date span {
            display: block;
            font-size: 0.8rem;
            color: var(--text-secondary);
            font-weight: 400;
        }

        .event-info h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .event-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* Testimonial */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .testimonial-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-subtle);
        }

        .testimonial-card .stars {
            color: #FBBF24;
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .testimonial-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .author {
            font-weight: 700;
            font-size: 0.9rem;
        }

        .testimonial-card .author span {
            display: block;
            font-weight: 400;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 48px auto 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            text-align: left;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

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

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

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, rgba(234, 88, 12, 0.15), rgba(239, 68, 68, 0.1));
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            border: 1px solid var(--border-subtle);
        }

        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-banner p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Posts List */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

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

        .post-card:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

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

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

        .post-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .post-card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        .post-meta {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-top: 12px;
            display: flex;
            gap: 16px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 32px;
            margin-top: 40px;
        }

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

        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--accent-primary);
        }

        .footer-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .badge-icon {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(234, 88, 12, 0.1);
            font-size: 0.8rem;
            color: var(--text-warm);
        }

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

        /* FAB */
        .fab-container {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
        }

        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #EF4444, #EA580C);
            border: 2px solid #FDBA74;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 6px 30px rgba(234, 88, 12, 0.35);
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            opacity: 0.8;
            animation: fabFloat 3s ease-in-out infinite;
        }

        .badge-notify {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #EF4444;
            border: 2px solid #fff;
        }

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

        .fab-btn:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 10px 40px rgba(234, 88, 12, 0.55);
            animation: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .promo-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-strip {
                grid-template-columns: 1fr;
            }
            .posts-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .event-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .container {
                padding: 0 16px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0A0A0A;
            --bg-secondary: #171717;
            --accent-primary: #EA580C;
            --accent-secondary: #EF4444;
            --text-primary: #FFFFFF;
            --text-secondary: #A3A3A3;
            --text-warm: #FDBA74;
            --border-subtle: rgba(234, 88, 12, 0.15);
            --border-active: rgba(234, 88, 12, 0.6);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 24px rgba(234, 88, 12, 0.08);
            --shadow-glow: 0 6px 30px rgba(234, 88, 12, 0.2);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button, input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: rgba(10, 10, 10, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-primary);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: 24px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
            background-color: rgba(234, 88, 12, 0.12);
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-login:hover {
            border-color: var(--accent-primary);
            background: rgba(234, 88, 12, 0.1);
        }

        .btn-signup {
            padding: 8px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            color: #000;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            border: none;
            box-shadow: 0 4px 16px rgba(234, 88, 12, 0.35);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(234, 88, 12, 0.55);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
        }

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(10, 10, 10, 0.98);
            backdrop-filter: blur(24px);
            z-index: 99;
            padding: 32px 24px;
            display: none;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }

        .mobile-drawer.active {
            display: flex;
        }

        .mobile-drawer a {
            font-size: 1.2rem;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 12px;
            color: var(--text-secondary);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--text-primary);
            background: rgba(234, 88, 12, 0.12);
        }

        .mobile-drawer .btn-login,
        .mobile-drawer .btn-signup {
            display: block;
            text-align: center;
            width: 100%;
            margin-top: 8px;
        }

        /* Hero */
        .hero-section {
            padding: 120px 0 80px;
            background: linear-gradient(180deg, rgba(234, 88, 12, 0.08) 0%, transparent 40%);
            position: relative;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, #EA580C, #FDBA74);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-glow);
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 640px) {
            .hero-content h1 {
                font-size: 1.8rem;
            }
        }

        /* Section */
        .section {
            padding: 70px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            text-align: left;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 48px;
            max-width: 640px;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .feature-card .card-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, rgba(234,88,12,0.2), rgba(239,68,68,0.15));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-primary);
            margin-bottom: 20px;
        }

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

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

        /* Leaderboard / Table */
        .leaderboard-table {
            width: 100%;
            border-collapse: collapse;
        }

        .leaderboard-table th,
        .leaderboard-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--border-subtle);
        }

        .leaderboard-table th {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .leaderboard-table td {
            font-size: 0.95rem;
        }

        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.85rem;
        }

        .rank-gold {
            background: linear-gradient(135deg, #F59E0B, #FCD34D);
            color: #000;
        }

        .rank-silver {
            background: linear-gradient(135deg, #9CA3AF, #E5E7EB);
            color: #000;
        }

        .rank-bronze {
            background: linear-gradient(135deg, #B45309, #D97706);
            color: #fff;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question i {
            color: var(--accent-primary);
            transition: var(--transition-base);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            line-height: 1.65;
            display: none;
        }

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

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

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(234,88,12,0.1), rgba(239,68,68,0.08));
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .btn-primary {
            padding: 14px 36px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            color: #000;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            border: none;
            box-shadow: 0 4px 20px rgba(234, 88, 12, 0.4);
            transition: var(--transition-base);
            cursor: pointer;
            display: inline-block;
            text-align: center;
        }

        .btn-primary:hover {
            box-shadow: 0 8px 30px rgba(234, 88, 12, 0.6);
            transform: translateY(-2px);
        }

        /* Testimonials */
        .testimonial-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .testimonial-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-style: italic;
            line-height: 1.65;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #EA580C, #EF4444);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: #000;
        }

        .testimonial-author strong {
            font-size: 0.95rem;
        }

        .testimonial-author span {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        /* Post Cards */
        .post-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

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

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

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

        .post-card-body {
            padding: 20px;
        }

        .post-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .post-card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .post-card-body .post-meta {
            font-size: 0.8rem;
            color: var(--text-warm);
            font-weight: 500;
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--accent-primary);
        }

        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 12px;
        }

        .badge-icon {
            font-size: 0.8rem;
            color: var(--text-warm);
            background: rgba(234,88,12,0.1);
            padding: 6px 12px;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

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

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }
        }