/* roulang page: index */
:root {
            --bg-deep: #08090F;
            --bg-card: rgba(13, 17, 30, 0.8);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-main: #FFFFFF;
            --text-muted: #CBD5E1;
            --border-glow: rgba(0, 240, 255, 0.3);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --radius-lg: 16px;
            --radius-md: 10px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 999;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
        }
        .nav-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.2s;
            white-space: nowrap;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-cyan);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(8, 9, 15, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(0,240,255,0.3);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
        }
        /* Hero */
        .hero {
            padding: 140px 0 80px;
            position: relative;
            background: linear-gradient(135deg, #0D111E 0%, #08090F 100%);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.2;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }
        .glass-card {
            background: rgba(13, 17, 30, 0.7);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }
        .btn-primary {
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            border: none;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 700;
            color: #000;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
            display: inline-block;
            text-decoration: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.6);
        }
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #FFFFFF, #CBD5E1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .grid-3 { grid-template-columns: 1fr; }
            .hero { padding: 120px 0 60px; }
        }

/* roulang page: article */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13,17,30,0.85);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-glow: rgba(0,240,255,0.5);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(0,240,255,0.15);
            --border-glow: rgba(0,240,255,0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 20px rgba(0,240,255,0.25);
            --shadow-glow-lg: 0 0 40px rgba(0,82,255,0.35);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8,9,15,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition-smooth);
        }

        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            height: 68px;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-decoration: none;
            letter-spacing: -0.02em;
            transition: var(--transition-fast);
            white-space: nowrap;
        }

        .logo:hover {
            color: #33F5FF;
            text-shadow: 0 0 18px rgba(0,240,255,0.5);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition-fast);
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            transition: var(--transition-fast);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-glow);
            color: var(--accent-cyan);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(0,240,255,0.08);
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), #0070FF);
            border: none;
            color: #fff;
            padding: 8px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-fast);
            box-shadow: var(--shadow-glow-lg);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 50px rgba(0,82,255,0.5);
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px;
        }

        /* Article Container */
        .article-wrapper {
            padding-top: 100px;
            padding-bottom: 60px;
            min-height: 60vh;
        }

        .article-container {
            max-width: 860px;
            margin: 0 auto;
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            box-shadow: var(--shadow-card);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .article-category {
            display: inline-block;
            background: rgba(0,82,255,0.18);
            color: var(--accent-cyan);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(0,240,255,0.25);
        }

        .article-date {
            color: var(--text-muted);
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-date i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
        }

        .article-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 28px;
            color: var(--text-primary);
            letter-spacing: -0.025em;
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .article-content {
            font-size: 1.08rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-content h2 {
            font-size: 1.65rem;
            font-weight: 700;
            margin-top: 36px;
            margin-bottom: 16px;
            color: var(--text-primary);
            border-left: 3px solid var(--accent-cyan);
            padding-left: 16px;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-top: 28px;
            margin-bottom: 12px;
            color: #E2E8F0;
        }

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

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

        .article-content li {
            margin-bottom: 10px;
        }

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

        .article-content img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 20px 0;
        }

        .article-content blockquote {
            border-left: 3px solid var(--accent-blue);
            padding: 16px 22px;
            margin: 24px 0;
            background: rgba(0,82,255,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .not-found-state {
            text-align: center;
            padding: 60px 30px;
        }

        .not-found-state i {
            font-size: 4rem;
            color: var(--accent-cyan);
            opacity: 0.5;
            margin-bottom: 20px;
        }

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

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

        .btn-back-home {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-blue), #0070FF);
            color: #fff;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition-fast);
            box-shadow: var(--shadow-glow-lg);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 45px rgba(0,240,255,0.5);
        }

        /* FAB */
        .fab-container {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 50;
        }

        .fab-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 30px;
            background: rgba(8,9,15,0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            position: relative;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 0 15px rgba(0,240,255,0.4);
            opacity: 0.7;
            animation: fabPulse 2.5s ease-in-out infinite;
        }

        .fab-btn::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 33px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            z-index: -1;
            opacity: 0.8;
            transition: var(--transition-smooth);
        }

        .fab-btn i {
            color: var(--accent-cyan);
            font-size: 1.3rem;
            transition: var(--transition-fast);
        }

        .fab-btn:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 0 30px rgba(0,240,255,0.7);
        }

        .fab-btn:hover i {
            color: #fff;
        }

        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: #FF0055;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: blink 1s ease-in-out infinite;
        }

        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 15px rgba(0,240,255,0.4); }
            50% { box-shadow: 0 0 28px rgba(0,240,255,0.65); }
        }

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

        /* Shared CTA Section */
        .cta-section {
            padding: 60px 24px;
            text-align: center;
            background: linear-gradient(180deg, rgba(13,17,30,0.6) 0%, rgba(8,9,15,0.95) 100%);
            border-top: 1px solid var(--border-subtle);
        }

        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-muted);
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            display: inline-block;
            background: linear-gradient(135deg, #0052FF, #0070FF);
            color: #fff;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: var(--transition-fast);
            box-shadow: var(--shadow-glow-lg);
            cursor: pointer;
            border: none;
        }

        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 55px rgba(0,240,255,0.55);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-container {
                padding: 36px 32px;
            }
            .article-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(8,9,15,0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 20px 24px;
                gap: 16px;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-cta-group {
                gap: 10px;
            }
            .btn-login,
            .btn-signup {
                padding: 7px 16px;
                font-size: 0.82rem;
            }
            .article-container {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .article-title {
                font-size: 1.6rem;
            }
            .article-content {
                font-size: 1rem;
            }
            .fab-container {
                left: 14px;
                bottom: 84px;
            }
            .fab-btn {
                width: 46px;
                height: 46px;
            }
        }

        @media (max-width: 520px) {
            nav {
                padding: 0 16px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .btn-login,
            .btn-signup {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-magenta: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glow: rgba(0, 240, 255, 0.3);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card-hover: 0 8px 30px rgba(0, 82, 255, 0.3);
            --border-radius-lg: 24px;
            --border-radius-md: 16px;
            --border-radius-sm: 10px;
            --glass-bg: rgba(13, 17, 30, 0.7);
            --glass-border: 1px solid rgba(0, 240, 255, 0.15);
            --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            background-image: radial-gradient(circle at 20% 20%, rgba(0, 82, 255, 0.05) 0%, transparent 50%),
                              radial-gradient(circle at 80% 80%, rgba(0, 240, 255, 0.04) 0%, transparent 50%);
            background-attachment: fixed;
        }

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

        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
            transition: var(--transition-smooth);
        }

        header nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 24px;
            max-width: 1280px;
            margin: 0 auto;
        }

        .logo {
            font-size: 1.4rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            letter-spacing: -0.5px;
            transition: var(--transition-smooth);
        }

        .logo:hover {
            filter: brightness(1.3);
            transform: scale(1.02);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.3s ease;
            box-shadow: var(--shadow-neon);
        }

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

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #FFF;
            border: none;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.4);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0, 240, 255, 0.5);
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .mobile-menu-btn:hover {
            color: var(--accent-cyan);
        }

        /* Responsive Navigation */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 20px;
            }
            .nav-links a {
                font-size: 0.85rem;
            }
            .logo {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
                order: 3;
            }

            .auth-buttons {
                order: 2;
                margin-right: 12px;
            }

            .btn-login, .btn-signup {
                padding: 7px 16px;
                font-size: 0.8rem;
            }

            .nav-links {
                position: fixed;
                top: 0;
                left: -100%;
                width: 75%;
                max-width: 320px;
                height: 100vh;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 90px 32px 40px;
                gap: 24px;
                transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                z-index: 999;
                border-right: 1px solid rgba(0, 240, 255, 0.15);
                box-shadow: 5px 0 30px rgba(0, 0, 0, 0.6);
            }

            .nav-links.mobile-active {
                left: 0;
            }

            .nav-links a {
                font-size: 1.1rem;
                font-weight: 600;
                width: 100%;
                padding: 8px 0;
            }
        }

        @media (max-width: 480px) {
            header nav {
                padding: 14px 16px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .btn-login {
                padding: 6px 14px;
                font-size: 0.75rem;
            }
            .btn-signup {
                padding: 8px 18px;
                font-size: 0.8rem;
            }
        }

        /* Footer */
        footer {
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 60px 0 30px;
            background: rgba(8, 9, 15, 0.95);
            backdrop-filter: blur(10px);
        }

        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
        }

        footer .footer-logo {
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 14px;
            display: inline-block;
        }

        footer h4 {
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 1rem;
            color: var(--text-primary);
            letter-spacing: 0.3px;
        }

        footer a {
            color: var(--text-muted);
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            transition: var(--transition-smooth);
            font-size: 0.9rem;
        }

        footer a:hover {
            color: var(--accent-cyan);
            transform: translateX(4px);
        }

        footer .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            color: #64748B;
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
                text-align: center;
            }
            footer a:hover {
                transform: none;
            }
            footer .footer-logo {
                font-size: 1.4rem;
            }
        }

        /* Specific Page Styles */
        .page-hero {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15) 0%, rgba(0, 240, 255, 0.05) 100%);
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 140px 24px 80px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero h1 {
            font-size: clamp(2.5rem, 6vw, 4rem);
            font-weight: 800;
            background: linear-gradient(to bottom, #FFFFFF, #CBD5E1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .page-hero .subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto 30px;
            opacity: 0.85;
        }

        .coupon-hero-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            border: var(--glass-border);
            border-radius: var(--border-radius-lg);
            padding: 36px 40px;
            max-width: 600px;
            margin: 30px auto 0;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 0 30px rgba(0, 240, 255, 0.05);
            position: relative;
            text-align: left;
        }

        .coupon-hero-card .tag {
            background: var(--accent-magenta);
            color: #FFF;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 50px;
            display: inline-block;
            margin-bottom: 16px;
            letter-spacing: 1px;
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.4);
        }

        .coupon-hero-card h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--accent-cyan);
        }

        .coupon-hero-card .desc {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1rem;
            line-height: 1.7;
        }

        .btn-coupon {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            color: #FFF;
            padding: 15px 32px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 50px;
            cursor: pointer;
            width: 100%;
            text-align: center;
            letter-spacing: 0.5px;
            box-shadow: 0 8px 25px rgba(0, 82, 255, 0.5);
            transition: var(--transition-smooth);
            display: block;
            text-transform: uppercase;
        }

        .btn-coupon:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(0, 240, 255, 0.6);
        }

        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
            margin: 60px 0;
        }

        .strategy-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: var(--glass-border);
            border-radius: var(--border-radius-md);
            padding: 32px;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .strategy-card:hover {
            background: rgba(13, 17, 30, 0.85);
            border-color: rgba(0, 240, 255, 0.35);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-8px);
        }

        .strategy-card .icon-box {
            width: 56px;
            height: 56px;
            background: rgba(0, 240, 255, 0.1);
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.8rem;
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .strategy-card h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .strategy-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .bullet-list {
            margin-top: 16px;
            padding-left: 20px;
            list-style: none;
        }

        .bullet-list li {
            color: var(--text-secondary);
            margin-bottom: 8px;
            font-size: 0.9rem;
            display: flex;
            align-items: baseline;
            gap: 8px;
        }

        .bullet-list li i {
            color: var(--accent-cyan);
            font-size: 0.7rem;
            margin-top: 5px;
        }

        .faq-section {
            max-width: 900px;
            margin: 70px auto;
        }

        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: var(--glass-border);
            border-radius: var(--border-radius-sm);
            padding: 22px 28px;
            margin-bottom: 16px;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.35);
            background: rgba(13, 17, 30, 0.8);
        }

        .faq-item h5 {
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-item p {
            color: var(--text-secondary);
            margin-top: 12px;
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

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

        .faq-item.active h5 i {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }

        .cta-panel {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2), rgba(0, 240, 255, 0.1));
            border-radius: var(--border-radius-lg);
            padding: 60px 40px;
            text-align: center;
            margin: 70px 0;
            border: 1px solid rgba(0, 240, 255, 0.3);
            box-shadow: 0 0 40px rgba(0, 82, 255, 0.2);
        }

        .cta-panel h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-panel .btn-glow {
            background: var(--accent-cyan);
            color: #08090F;
            font-weight: 800;
            padding: 16px 40px;
            font-size: 1.1rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            margin-top: 24px;
            letter-spacing: 1px;
            transition: var(--transition-smooth);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
        }

        .cta-panel .btn-glow:hover {
            background: #FFF;
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.9);
            transform: scale(1.05);
        }

        .floating-fab {
            position: fixed;
            left: 24px;
            bottom: 90px;
            z-index: 90;
            width: 52px;
            height: 52px;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(12px);
            border: 1.5px solid transparent;
            border-image: linear-gradient(135deg, #00F0FF, #0052FF) 1;
            border-radius: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.45);
            transition: var(--transition-smooth);
            animation: fabPulse 2.5s infinite;
        }

        .floating-fab:hover {
            transform: scale(1.12);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.75);
        }

        @keyframes fabPulse {
            0% { opacity: 0.7; box-shadow: 0 0 12px rgba(0, 240, 255, 0.3); }
            50% { opacity: 1; box-shadow: 0 0 28px rgba(0, 240, 255, 0.7); }
            100% { opacity: 0.7; box-shadow: 0 0 12px rgba(0, 240, 255, 0.3); }
        }

        @media (max-width: 640px) {
            .page-hero {
                padding: 120px 20px 60px;
            }
            .coupon-hero-card {
                padding: 28px 24px;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .floating-fab {
                left: 16px;
                bottom: 70px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.8);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-color: rgba(0, 82, 255, 0.3);
            --glow-cyan: 0 0 15px rgba(0, 240, 255, 0.5);
            --glow-blue: 0 0 20px rgba(0, 82, 255, 0.4);
            --radius: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

        /* Header & Navigation */
        header {
            background: rgba(8, 9, 15, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        header nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 24px;
            max-width: 1280px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 1.4rem;
            font-weight: 700;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            letter-spacing: -0.5px;
            transition: var(--transition);
        }

        .logo:hover {
            filter: brightness(1.2);
        }

        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
            padding: 4px 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: var(--transition);
            box-shadow: var(--glow-cyan);
        }

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

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .btn-nav-login {
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.4);
            color: var(--accent-cyan);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
        }

        .btn-nav-login:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--glow-cyan);
        }

        .btn-nav-signup {
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            border: none;
            color: var(--bg-primary);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
            box-shadow: var(--glow-blue);
        }

        .btn-nav-signup:hover {
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
            transform: translateY(-1px);
        }

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

        /* Hero Section */
        .hero-category {
            position: relative;
            padding: 80px 0 60px;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.7) 0%, rgba(8, 9, 15, 0.95) 100%);
            z-index: 1;
        }

        .hero-category .container {
            position: relative;
            z-index: 2;
        }

        .category-series-nav {
            display: flex;
            gap: 16px;
            margin-bottom: 40px;
            flex-wrap: wrap;
            padding: 20px;
            background: rgba(13, 17, 30, 0.7);
            backdrop-filter: blur(15px);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .series-tag {
            padding: 10px 24px;
            border-radius: 25px;
            background: rgba(0, 82, 255, 0.15);
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid transparent;
            font-size: 0.9rem;
        }

        .series-tag:hover,
        .series-tag.active {
            background: rgba(0, 240, 255, 0.2);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: var(--glow-cyan);
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #FFFFFF, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 700px;
            margin-bottom: 30px;
        }

        .btn-cta-hero {
            display: inline-block;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: var(--bg-primary);
            padding: 14px 36px;
            border-radius: 25px;
            font-weight: 700;
            text-decoration: none;
            font-size: 1.05rem;
            box-shadow: var(--glow-blue);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-cta-hero:hover {
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.7);
            transform: translateY(-2px);
        }

        /* Metric Dashboard */
        .metrics-dashboard {
            padding: 60px 0;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .metric-card {
            background: rgba(13, 17, 30, 0.7);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(0, 82, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            text-align: center;
            transition: var(--transition);
        }

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

        .metric-value {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }

        .metric-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* Review Matrix */
        .review-matrix {
            padding: 60px 0;
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

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

        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background: var(--bg-card);
            backdrop-filter: blur(15px);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 82, 255, 0.2);
            transition: var(--transition);
            position: relative;
        }

        .review-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--glow-cyan);
            transform: translateY(-6px);
        }

        .review-card-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .review-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: var(--bg-primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
            box-shadow: var(--glow-blue);
        }

        .review-card-body {
            padding: 24px;
        }

        .review-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .review-rating {
            color: #FFD700;
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .review-features {
            list-style: none;
            margin-bottom: 16px;
        }

        .review-features li {
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding: 4px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .review-features li i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
        }

        .btn-review-detail {
            display: inline-block;
            padding: 10px 24px;
            border-radius: 20px;
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            font-size: 0.9rem;
        }

        .btn-review-detail:hover {
            background: var(--accent-cyan);
            color: var(--bg-primary);
            box-shadow: var(--glow-cyan);
        }

        /* Comparison Table */
        .comparison-section {
            padding: 60px 0;
        }

        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 82, 255, 0.25);
            background: var(--bg-card);
            backdrop-filter: blur(15px);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 800px;
        }

        .comparison-table th {
            background: rgba(0, 82, 255, 0.2);
            padding: 16px 20px;
            text-align: left;
            font-weight: 700;
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

        .comparison-table td {
            padding: 14px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .comparison-table tr:hover td {
            background: rgba(0, 240, 255, 0.05);
        }

        .table-check {
            color: #10B981;
            font-weight: 700;
        }

        .table-cross {
            color: #EF4444;
        }

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

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

        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(0, 82, 255, 0.2);
            border-radius: var(--radius);
            padding: 24px 28px;
            transition: var(--transition);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--glow-cyan);
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-top: 8px;
        }

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            text-align: center;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            position: relative;
            border-radius: var(--radius-lg);
            margin: 40px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 9, 15, 0.85);
            border-radius: var(--radius-lg);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

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

        .cta-content p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }

        /* Footer */
        footer {
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 50px 0 30px;
            background: rgba(8, 9, 15, 0.95);
        }

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

        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-col h4 {
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .footer-col a {
            color: var(--text-muted);
            text-decoration: none;
            display: block;
            margin-bottom: 8px;
            transition: var(--transition);
            font-size: 0.9rem;
        }

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

        .footer-bottom {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            color: #666;
            font-size: 0.8rem;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.8);
            backdrop-filter: blur(15px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 9, 15, 0.8), rgba(8, 9, 15, 0.8)), linear-gradient(135deg, #00F0FF, #0052FF);
            background-origin: border-box;
            background-clip: content-box, border-box;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.6;
            animation: float 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.7);
            transform: scale(1.1);
        }

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .review-grid { grid-template-columns: repeat(2, 1fr); }
            .metrics-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero-title { font-size: 2.2rem; }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 16px;
                padding: 20px 0;
                background: var(--bg-secondary);
                border-radius: var(--radius);
                margin-top: 16px;
            }
            .nav-links.active { display: flex; }
            .mobile-menu-btn { display: block; }
            .review-grid { grid-template-columns: 1fr; }
            .metrics-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .hero-title { font-size: 1.8rem; }
            .category-series-nav { flex-direction: column; }
            .series-tag { text-align: center; }
            .nav-actions { width: 100%; justify-content: flex-end; }
            header nav { flex-wrap: wrap; }
            .nav-actions { order: 1; }
            .mobile-menu-btn { order: 2; }
            .nav-links { order: 3; }
        }