/* roulang page: index */
:root {
            --bg-primary: #07071A;
            --bg-secondary: #0A0F2C;
            --bg-card: rgba(10, 20, 50, 0.65);
            --accent-cyan: #06B6D4;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #B0B8CC;
            --text-muted: #6A7290;
            --border-glow: rgba(6, 182, 212, 0.3);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-lime: 0 0 15px rgba(163, 230, 53, 0.4);
            --glass-bg: rgba(7, 7, 26, 0.75);
            --blur-amount: 16px;
            --radius-xl: 1.5rem;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-silver);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button, input, select, textarea {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-white);
            line-height: 1.3;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--glass-bg);
            backdrop-filter: blur(var(--blur-amount));
            -webkit-backdrop-filter: blur(var(--blur-amount));
            border-bottom: 1px solid rgba(6, 182, 212, 0.12);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-white);
            letter-spacing: -0.3px;
        }

        .logo i {
            color: var(--accent-cyan);
            font-size: 1.8rem;
            text-shadow: var(--shadow-neon);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .main-nav a {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.5rem 0;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(to right, var(--accent-cyan), var(--accent-lime));
            transition: width 0.3s ease;
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.55rem 1.2rem;
            border: 1px solid rgba(6, 182, 212, 0.5);
            border-radius: var(--radius-sm);
            background: transparent;
            transition: var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            border-color: var(--accent-cyan);
        }

        .btn-signup {
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.55rem 1.4rem;
            background: linear-gradient(135deg, #06B6D4, #0284C7);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-neon);
            transition: var(--transition-base);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.7);
            filter: brightness(1.1);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.8rem;
            cursor: pointer;
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 1.2rem;
            }
            .main-nav a {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 340px;
                height: 100vh;
                background: var(--bg-secondary);
                flex-direction: column;
                padding: 5rem 2rem;
                gap: 1.8rem;
                transition: right 0.35s ease;
                z-index: 999;
                border-left: 1px solid var(--border-glow);
                backdrop-filter: blur(20px);
            }
            .main-nav.open {
                right: 0;
            }
            .mobile-toggle {
                display: block;
                z-index: 1100;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                display: inline-flex;
            }
        }

        /* Hero Section */
        .hero-section {
            padding-top: 100px;
            padding-bottom: 4rem;
            background: radial-gradient(circle at 20% 30%, rgba(6, 182, 212, 0.08) 0%, transparent 55%),
                        radial-gradient(circle at 80% 70%, rgba(163, 230, 53, 0.05) 0%, transparent 55%);
            position: relative;
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(to right, #FFFFFF, #B0E6FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

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

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .btn-primary-glow {
            background: linear-gradient(135deg, #06B6D4, #A3E635);
            color: #07071A;
            font-weight: 700;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-md);
            font-size: 1.05rem;
            box-shadow: 0 0 25px rgba(6, 182, 212, 0.55);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            letter-spacing: 0.3px;
        }

        .btn-primary-glow:hover {
            transform: scale(1.05) translateY(-3px);
            box-shadow: 0 0 35px rgba(163, 230, 53, 0.7);
        }

        .hero-quick-stats {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .hero-quick-stats .stat-item {
            text-align: left;
        }

        .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-cyan);
            display: block;
        }

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

        .hero-visual {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-xl);
            padding: 2rem;
            border: 1px solid var(--border-glow);
            box-shadow: 0 0 40px rgba(6, 182, 212, 0.15);
            text-align: center;
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            margin-bottom: 1rem;
        }

        .hero-visual .quiz-prompt {
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.1rem;
        }

        .quiz-options {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 1rem;
        }

        .quiz-option {
            background: rgba(6, 182, 212, 0.12);
            border: 1px solid rgba(6, 182, 212, 0.25);
            color: var(--text-white);
            padding: 0.6rem 1.2rem;
            border-radius: 30px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .quiz-option:hover {
            background: var(--accent-cyan);
            color: #000;
            border-color: var(--accent-cyan);
        }

        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
        }

        /* Sections common */
        .section {
            padding: 4.5rem 0;
        }

        .section-header {
            margin-bottom: 3rem;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.75rem;
        }

        .section-header p {
            color: var(--text-silver);
            font-size: 1.05rem;
            max-width: 700px;
            line-height: 1.6;
        }

        /* Service Highlights */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.8rem;
        }

        .highlight-card {
            background: var(--bg-card);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(6, 182, 212, 0.1);
            border-radius: var(--radius-lg);
            padding: 2rem 1.8rem;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .highlight-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            opacity: 0;
            transition: opacity 0.3s;
        }

        .highlight-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 0 25px rgba(6, 182, 212, 0.2);
            transform: translateY(-4px);
        }

        .highlight-card:hover::before {
            opacity: 1;
        }

        .highlight-card i {
            font-size: 2.4rem;
            color: var(--accent-cyan);
            margin-bottom: 1.2rem;
        }

        .highlight-card h3 {
            font-size: 1.25rem;
            margin-bottom: 0.5rem;
        }

        /* Time Slots */
        .slots-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }

        .slot-card {
            background: var(--bg-card);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(163, 230, 53, 0.15);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.5rem;
            text-align: left;
            transition: var(--transition-base);
        }

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

        .slot-time {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--accent-lime);
        }

        .slot-detail {
            color: var(--text-silver);
            margin-top: 0.5rem;
        }

        /* Expert Section */
        .expert-panel {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .expert-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            border: 1px solid rgba(6, 182, 212, 0.1);
            display: flex;
            gap: 1.2rem;
            align-items: center;
        }

        .expert-card img {
            width: 75px;
            height: 75px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--accent-cyan);
        }

        /* Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.8rem;
        }

        .review-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 2rem;
            border: 1px solid rgba(255,255,255,0.04);
        }

        .stars {
            color: #FBBF24;
            margin-bottom: 0.8rem;
        }

        .review-text {
            font-style: italic;
            margin-bottom: 1rem;
            color: var(--text-silver);
        }

        .reviewer {
            font-weight: 600;
            color: var(--text-white);
        }

        /* Prediksi / Quiz visual block */
        .quiz-block {
            background: linear-gradient(135deg, rgba(6,182,212,0.08), rgba(163,230,53,0.05));
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            border: 1px solid var(--border-glow);
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

        /* CMS News */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255,255,255,0.03);
            transition: var(--transition-base);
        }

        .news-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
        }

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

        .news-content {
            padding: 1.5rem;
        }

        .news-content h3 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        /* Booking Form */
        .form-block {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            border: 1px solid var(--border-glow);
        }

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

        .form-group input, .form-group textarea {
            width: 100%;
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-sm);
            padding: 0.9rem 1.2rem;
            color: white;
            transition: var(--transition-base);
        }

        .form-group input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(6,182,212,0.3);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(6, 182, 212, 0.2);
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }

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

        .footer-col h4 {
            color: var(--text-white);
            margin-bottom: 1rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            margin-bottom: 0.4rem;
            font-size: 0.9rem;
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /*FAB*/
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(7,7,26,0.8);
            backdrop-filter: blur(10px);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid transparent;
            background-clip: padding-box;
            color: var(--accent-cyan);
            font-size: 1.8rem;
            box-shadow: 0 0 25px rgba(6,182,212,0.5);
            transition: var(--transition-base);
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(6,182,212,0.8);
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #07071A;
            --bg-secondary: #0A0F2C;
            --bg-card: rgba(10, 20, 50, 0.65);
            --accent-cyan: #06B6D4;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #B0B8CC;
            --text-muted: #6A7290;
            --border-glow: rgba(6, 182, 212, 0.3);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-lime: 0 0 15px rgba(163, 230, 53, 0.4);
            --glass-bg: rgba(7, 7, 26, 0.75);
            --blur-amount: 16px;
            --radius-xl: 1.5rem;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-silver);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--glass-bg);
            backdrop-filter: blur(var(--blur-amount));
            -webkit-backdrop-filter: blur(var(--blur-amount));
            border-bottom: 1px solid rgba(6, 182, 212, 0.12);
            transition: var(--transition-base);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-white);
            letter-spacing: -0.3px;
        }
        .logo i {
            color: var(--accent-cyan);
            font-size: 1.8rem;
            text-shadow: var(--shadow-neon);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.5rem 0;
            white-space: nowrap;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(to right, var(--accent-cyan), var(--accent-lime));
            transition: width 0.3s ease;
        }
        .main-nav a:hover, .main-nav a.active {
            color: var(--text-white);
        }
        .main-nav a:hover::after, .main-nav a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .btn-login {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.55rem 1.2rem;
            border: 1px solid rgba(6, 182, 212, 0.5);
            border-radius: var(--radius-sm);
            background: transparent;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            border-color: var(--accent-cyan);
        }
        .btn-signup {
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.55rem 1.4rem;
            background: linear-gradient(135deg, #06B6D4, #0284C7);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-neon);
            transition: var(--transition-base);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.7);
            filter: brightness(1.1);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.8rem;
            cursor: pointer;
            z-index: 1100;
        }
        .main-content {
            flex: 1;
            margin-top: 70px;
        }
        .article-hero {
            background: linear-gradient(135deg, #0A0F2C 0%, #07071A 100%);
            padding: 4rem 0 3rem;
            border-bottom: 1px solid var(--border-glow);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-hero-content {
            display: flex;
            gap: 2.5rem;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .article-hero-text {
            flex: 1;
            min-width: 280px;
        }
        .article-hero-text .category-tag {
            display: inline-block;
            background: rgba(6, 182, 212, 0.15);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            border: 1px solid rgba(6, 182, 212, 0.3);
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .article-hero-text h1 {
            color: var(--text-white);
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 0.75rem;
            letter-spacing: -0.5px;
        }
        .article-hero-text .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: var(--text-muted);
            font-size: 0.9rem;
            align-items: center;
            margin-top: 1rem;
        }
        .article-hero-text .meta span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .article-hero-text .meta i {
            color: var(--accent-cyan);
        }
        .article-hero-image {
            flex: 0 0 380px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(6, 182, 212, 0.2);
            box-shadow: var(--shadow-neon);
            max-width: 100%;
        }
        .article-hero-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            display: block;
        }
        .article-body-section {
            padding: 3rem 0;
        }
        .article-layout {
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
        }
        .article-main {
            flex: 1;
            min-width: 0;
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            border: 1px solid var(--border-glow);
        }
        .article-content {
            color: var(--text-silver);
            font-size: 1.05rem;
            line-height: 1.75;
        }
        .article-content h2 {
            color: var(--text-white);
            font-size: 1.7rem;
            font-weight: 700;
            margin-top: 2.2rem;
            margin-bottom: 0.8rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid rgba(6, 182, 212, 0.2);
        }
        .article-content h3 {
            color: var(--text-white);
            font-size: 1.35rem;
            font-weight: 700;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        .article-content p {
            margin-bottom: 1.2rem;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .article-content strong {
            color: var(--text-white);
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent-cyan);
            padding: 1rem 1.5rem;
            margin: 2rem 0;
            background: rgba(6, 182, 212, 0.05);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-silver);
        }
        .article-content img {
            border-radius: var(--radius-lg);
            margin: 1.5rem 0;
            border: 1px solid var(--border-glow);
        }
        .article-sidebar {
            flex: 0 0 320px;
            display: flex;
            flex-direction: column;
            gap: 2rem;
            max-width: 100%;
        }
        .sidebar-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            border: 1px solid var(--border-glow);
        }
        .sidebar-card h4 {
            color: var(--text-white);
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card h4 i {
            color: var(--accent-cyan);
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 0.6rem 0;
            border-bottom: 1px solid rgba(6, 182, 212, 0.08);
            font-size: 0.95rem;
            transition: var(--transition-base);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            color: var(--text-silver);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul li a:hover {
            color: var(--accent-cyan);
        }
        .sidebar-card ul li a i {
            font-size: 0.75rem;
            color: var(--accent-lime);
        }
        .cta-card {
            background: linear-gradient(135deg, #0A2A3F, #0A0F2C);
            border: 1px solid rgba(6, 182, 212, 0.4);
            text-align: center;
            padding: 2rem 1.5rem;
        }
        .cta-card h4 {
            color: var(--text-white);
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
        }
        .cta-card p {
            color: var(--text-silver);
            font-size: 0.9rem;
            margin-bottom: 1.2rem;
        }
        .btn-cta {
            display: inline-block;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.7rem 2rem;
            background: linear-gradient(135deg, #06B6D4, #0284C7);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-neon);
            transition: var(--transition-base);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
        }
        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.7);
        }
        .related-articles {
            padding: 3rem 0 4rem;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(6, 182, 212, 0.1);
        }
        .related-articles h3 {
            color: var(--text-white);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 2rem;
            text-align: left;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .related-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-glow);
            transition: var(--transition-base);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-neon);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card-body {
            padding: 1.2rem;
        }
        .related-card-body .tag {
            font-size: 0.75rem;
            color: var(--accent-cyan);
            font-weight: 600;
            margin-bottom: 0.5rem;
            display: block;
        }
        .related-card-body h5 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            line-height: 1.4;
        }
        .related-card-body p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin: 0;
        }
        .article-not-found {
            text-align: center;
            padding: 4rem 2rem;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-glow);
        }
        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-pink);
            margin-bottom: 1rem;
        }
        .article-not-found h2 {
            color: var(--text-white);
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }
        .site-footer {
            background: var(--bg-secondary);
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(6, 182, 212, 0.12);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 0.35rem 0;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(6, 182, 212, 0.1);
        }
        @media (max-width: 1024px) {
            .container {
                padding-left: 1.2rem;
                padding-right: 1.2rem;
            }
            .main-nav {
                gap: 1.2rem;
            }
            .main-nav a {
                font-size: 0.9rem;
            }
            .article-hero-image {
                flex: 0 0 300px;
            }
            .article-hero-text h1 {
                font-size: 2rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 340px;
                height: 100vh;
                background: var(--bg-secondary);
                flex-direction: column;
                padding: 5rem 2rem;
                gap: 1.8rem;
                transition: right 0.35s ease;
                z-index: 999;
                border-left: 1px solid var(--border-glow);
                backdrop-filter: blur(20px);
            }
            .main-nav.open {
                right: 0;
            }
            .mobile-toggle {
                display: block;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                display: inline-flex;
            }
            .article-hero {
                padding: 2.5rem 0 2rem;
            }
            .article-hero-content {
                flex-direction: column;
            }
            .article-hero-image {
                flex: 0 0 auto;
                width: 100%;
            }
            .article-hero-image img {
                height: 200px;
            }
            .article-hero-text h1 {
                font-size: 1.7rem;
            }
            .article-layout {
                flex-direction: column;
            }
            .article-sidebar {
                flex: 0 0 auto;
                width: 100%;
            }
            .article-main {
                padding: 1.5rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .article-hero-text h1 {
                font-size: 1.4rem;
            }
            .article-main {
                padding: 1.2rem;
            }
            .article-content {
                font-size: 0.95rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .header-actions {
                gap: 0.5rem;
            }
            .btn-login, .btn-signup {
                font-size: 0.8rem;
                padding: 0.45rem 0.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #07071A;
            --bg-secondary: #0A0F2C;
            --bg-card: rgba(10, 20, 50, 0.65);
            --accent-cyan: #06B6D4;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #B0B8CC;
            --text-muted: #6A7290;
            --border-glow: rgba(6, 182, 212, 0.3);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-lime: 0 0 15px rgba(163, 230, 53, 0.4);
            --glass-bg: rgba(7, 7, 26, 0.75);
            --blur-amount: 16px;
            --radius-xl: 1.5rem;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-silver);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--glass-bg);
            backdrop-filter: blur(var(--blur-amount));
            -webkit-backdrop-filter: blur(var(--blur-amount));
            border-bottom: 1px solid rgba(6, 182, 212, 0.12);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-white);
            letter-spacing: -0.3px;
        }

        .logo i {
            color: var(--accent-cyan);
            font-size: 1.8rem;
            text-shadow: var(--shadow-neon);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .main-nav a {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.5rem 0;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(to right, var(--accent-cyan), var(--accent-lime));
            transition: width 0.3s ease;
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.55rem 1.2rem;
            border: 1px solid rgba(6, 182, 212, 0.5);
            border-radius: var(--radius-sm);
            background: transparent;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            border-color: var(--accent-cyan);
        }

        .btn-signup {
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.55rem 1.4rem;
            background: linear-gradient(135deg, #06B6D4, #0284C7);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-neon);
            transition: var(--transition-base);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.7);
            filter: brightness(1.1);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.8rem;
            cursor: pointer;
        }

        .main-content {
            flex: 1;
            margin-top: 70px;
        }

        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #0A0F2C 0%, #07071A 50%, #120324 100%);
            padding: 5rem 0 4rem;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 60% 50%, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 1.25rem;
            letter-spacing: -0.5px;
        }

        .page-hero h1 span {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-silver);
            line-height: 1.65;
            max-width: 650px;
        }

        .section {
            padding: 4rem 0;
        }

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

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .tactics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 1.5rem;
        }

        .tactic-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(6, 182, 212, 0.15);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .tactic-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 8px 32px rgba(6, 182, 212, 0.12);
            transform: translateY(-4px);
        }

        .tactic-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(163, 230, 53, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        .tactic-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
        }

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

        .tactic-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .boss-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .boss-image {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(6, 182, 212, 0.25);
            box-shadow: 0 0 40px rgba(6, 182, 212, 0.1);
        }

        .boss-image img {
            width: 100%;
            height: auto;
        }

        .boss-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(0deg, rgba(7, 7, 26, 0.4) 0%, transparent 60%);
        }

        .boss-details h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 1rem;
        }

        .boss-details p {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .boss-tips {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .boss-tips li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            font-size: 0.98rem;
            color: var(--text-silver);
        }

        .boss-tips li i {
            color: var(--accent-lime);
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
            list-style: none;
            counter-reset: step-counter;
        }

        .steps-list li {
            display: flex;
            gap: 1.25rem;
            counter-increment: step-counter;
        }

        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), #0284C7);
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-neon);
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.35rem;
        }

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

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .tip-item {
            background: rgba(163, 230, 53, 0.04);
            border-left: 3px solid var(--accent-lime);
            padding: 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
        }

        .tip-item p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.65;
        }

        .tip-item strong {
            color: var(--accent-lime);
        }

        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.8rem;
        }

        .article-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(6, 182, 212, 0.12);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 36px rgba(6, 182, 212, 0.15);
            border-color: var(--border-glow);
        }

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

        .article-card-body {
            padding: 1.4rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            flex: 1;
        }

        .article-card-body h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.4;
        }

        .article-card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.55;
            flex: 1;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: var (--text-muted);
        }

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

        .cta-banner {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(163, 230, 53, 0.08));
            border: 1px solid rgba(6, 182, 212, 0.3);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: left;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-white);
        }

        .cta-banner p {
            color: var(--text-silver);
            font-size: 1.05rem;
            max-width: 600px;
            line-height: 1.6;
        }

        .cta-banner .btn-signup {
            align-self: flex-start;
            padding: 0.85rem 2.2rem;
            font-size: 1rem;
        }

        .no-results {
            text-align: center;
            padding: 3rem 1.5rem;
            color: var(--text-muted);
            font-size: 1rem;
            border: 1px dashed rgba(6, 182, 212, 0.2);
            border-radius: var(--radius-lg);
            background: rgba(10, 20, 50, 0.3);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
            gap: 1.5rem;
        }

        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(6, 182, 212, 0.12);
            border-radius: var(--radius-lg);
            padding: 1.6rem;
            transition: var(--transition-base);
        }

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

        .faq-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .faq-item h3 i {
            color: var(--accent-cyan);
            font-size: 1rem;
        }

        .faq-item p {
            font-size: 0.93rem;
            color: var(--text-silver);
            line-height: 1.6;
        }

        .site-footer {
            background: #040412;
            border-top: 1px solid rgba(6, 182, 212, 0.12);
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }

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

        .footer-col h4 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 1rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0.55rem;
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(6, 182, 212, 0.08);
        }

        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 5rem;
            z-index: 50;
        }

        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #06B6D4, #A3E635);
            border: 2px solid rgba(255, 255, 255, 0.25);
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            transition: var(--transition-base);
            animation: fab-glow 2.5s ease-in-out infinite;
        }

        @keyframes fab-glow {
            0%,
            100% {
                box-shadow: 0 0 28px rgba(6, 182, 212, 0.5);
            }
            50% {
                box-shadow: 0 0 45px rgba(163, 230, 53, 0.7);
            }
        }

        .fab-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 0 36px rgba(163, 230, 53, 0.8);
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--accent-pink);
            border: 2px solid var(--text-white);
            animation: blink-dot 1.2s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 1.2rem;
            }
            .main-nav a {
                font-size: 0.9rem;
            }
            .boss-section {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 340px;
                height: 100vh;
                background: var(--bg-secondary);
                flex-direction: column;
                padding: 5rem 2rem;
                gap: 1.8rem;
                transition: right 0.35s ease;
                z-index: 999;
                border-left: 1px solid var(--border-glow);
                backdrop-filter: blur(20px);
            }
            .main-nav.open {
                right: 0;
            }
            .mobile-toggle {
                display: block;
                z-index: 1100;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                display: inline-flex;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .tactics-grid {
                grid-template-columns: 1fr;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .articles-list {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                text-align: center;
                align-items: center;
            }
            .cta-banner .btn-signup {
                align-self: center;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 60px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .btn-login,
            .btn-signup {
                font-size: 0.8rem;
                padding: 0.45rem 0.9rem;
            }
            .section {
                padding: 2.5rem 0;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #07071A;
            --bg-secondary: #0A0F2C;
            --bg-card: rgba(10, 20, 50, 0.65);
            --accent-cyan: #06B6D4;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #B0B8CC;
            --text-muted: #6A7290;
            --border-glow: rgba(6, 182, 212, 0.3);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-lime: 0 0 15px rgba(163, 230, 53, 0.4);
            --glass-bg: rgba(7, 7, 26, 0.75);
            --blur-amount: 16px;
            --radius-xl: 1.5rem;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-silver);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--glass-bg);
            backdrop-filter: blur(var(--blur-amount));
            -webkit-backdrop-filter: blur(var(--blur-amount));
            border-bottom: 1px solid rgba(6, 182, 212, 0.12);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-white);
            letter-spacing: -0.3px;
        }

        .logo i {
            color: var(--accent-cyan);
            font-size: 1.8rem;
            text-shadow: var(--shadow-neon);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .main-nav a {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.5rem 0;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(to right, var(--accent-cyan), var(--accent-lime));
            transition: width 0.3s ease;
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.55rem 1.2rem;
            border: 1px solid rgba(6, 182, 212, 0.5);
            border-radius: var(--radius-sm);
            background: transparent;
            transition: var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            border-color: var(--accent-cyan);
        }

        .btn-signup {
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.55rem 1.4rem;
            background: linear-gradient(135deg, #06B6D4, #0284C7);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-neon);
            transition: var(--transition-base);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.7);
            filter: brightness(1.1);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Main Content */
        .main-content {
            margin-top: 70px;
            flex: 1;
        }

        /* Category Hero Section */
        .category-hero {
            position: relative;
            padding: 5rem 0 3rem;
            overflow: hidden;
            background: url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 7, 26, 0.92) 0%, rgba(10, 15, 44, 0.8) 100%);
            z-index: 1;
        }

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

        .category-hero-content {
            display: flex;
            align-items: center;
            gap: 3rem;
            flex-wrap: wrap;
        }

        .category-hero-text {
            flex: 1 1 auto;
        }

        .category-hero-text .badge {
            display: inline-block;
            background: var(--accent-pink);
            color: #fff;
            font-weight: 800;
            font-size: 0.75rem;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            margin-bottom: 1rem;
        }

        .category-hero-text h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 1.25rem;
            letter-spacing: -0.5px;
        }

        .category-hero-text h1 span {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero-text p {
            font-size: 1.1rem;
            color: var(--text-silver);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 2rem;
        }

        .category-hero-stats {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .stat-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .stat-item i {
            font-size: 2rem;
            color: var(--accent-cyan);
            text-shadow: var(--shadow-neon);
        }

        .stat-item strong {
            display: block;
            font-size: 1.5rem;
            color: var(--text-white);
            line-height: 1.1;
        }

        .stat-item span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .category-hero-image {
            flex: 0 0 340px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 2px solid var(--border-glow);
            box-shadow: 0 0 40px rgba(6, 182, 212, 0.25);
            position: relative;
        }

        .category-hero-image img {
            width: 100%;
            height: auto;
        }

        .category-hero-image .tag {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: var(--accent-pink);
            color: #fff;
            font-weight: 800;
            font-size: 0.75rem;
            padding: 0.4rem 0.9rem;
            border-radius: 999px;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            z-index: 3;
        }

        /* Section Styles */
        section {
            padding: 4rem 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 0.75rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 1rem;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 700px;
            line-height: 1.65;
            margin-bottom: 2.5rem;
        }

        /* Promo Cards */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 1.8rem;
            margin-top: 1rem;
        }

        .promo-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(6, 182, 212, 0.18);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .promo-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.25);
        }

        .promo-card .promo-tag {
            position: absolute;
            top: 1.2rem;
            right: 1.2rem;
            background: var(--accent-pink);
            color: #fff;
            font-weight: 800;
            font-size: 0.7rem;
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
            text-transform: uppercase;
        }

        .promo-card .promo-icon {
            font-size: 2.5rem;
            color: var(--accent-lime);
            margin-bottom: 1.2rem;
            text-shadow: var(--shadow-lime);
        }

        .promo-card h3 {
            font-size: 1.35rem;
            color: var(--text-white);
            font-weight: 750;
            margin-bottom: 0.6rem;
        }

        .promo-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 1.2rem;
        }

        .promo-card .promo-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        .promo-card .promo-meta i {
            color: var(--accent-cyan);
            margin-right: 0.25rem;
        }

        .promo-card .btn-outline-sm {
            font-weight: 600;
            font-size: 0.8rem;
            padding: 0.4rem 1rem;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            border-radius: 999px;
            background: transparent;
            transition: var(--transition-base);
        }

        .promo-card .btn-outline-sm:hover {
            background: var(--accent-cyan);
            color: #000;
            box-shadow: var(--shadow-neon);
        }

        /* VIP Banner */
        .vip-banner {
            background: linear-gradient(135deg, #1C0738, #0A0F2C);
            border: 1px solid rgba(6, 182, 212, 0.3);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 2rem 0;
        }

        .vip-banner-text h3 {
            font-size: 1.8rem;
            color: var(--text-white);
            font-weight: 800;
            margin-bottom: 0.5rem;
        }

        .vip-banner-text p {
            color: var(--text-silver);
            margin-bottom: 0;
        }

        .vip-banner .btn-cta {
            background: linear-gradient(135deg, #F59E0B, #F97316);
            color: #000;
            font-weight: 800;
            padding: 0.8rem 2rem;
            border-radius: 999px;
            font-size: 1rem;
            transition: var(--transition-base);
            box-shadow: 0 0 25px rgba(245, 158, 11, 0.45);
            text-transform: uppercase;
        }

        .vip-banner .btn-cta:hover {
            transform: scale(1.05);
            box-shadow: 0 0 35px rgba(245, 158, 11, 0.7);
        }

        /* Event Timeline */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .timeline-item {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
        }

        .timeline-icon {
            width: 54px;
            height: 54px;
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
            box-shadow: 0 0 12px rgba(6, 182, 212, 0.25);
        }

        .timeline-body h4 {
            font-size: 1.2rem;
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 0.3rem;
        }

        .timeline-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0.4rem;
        }

        .timeline-body .date {
            font-size: 0.8rem;
            color: var(--accent-lime);
            font-weight: 600;
        }

        /* Latest Posts */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.8rem;
        }

        .post-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(6, 182, 212, 0.12);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .post-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-4px);
            box-shadow: 0 0 22px rgba(6, 182, 212, 0.2);
        }

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

        .post-card-body {
            padding: 1.2rem;
        }

        .post-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .post-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
            line-height: 1.5;
        }

        .post-card-body .post-meta {
            font-size: 0.8rem;
            color: var(--accent-cyan);
            display: flex;
            justify-content: space-between;
        }

        /* FAQ Section */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(6, 182, 212, 0.15);
            border-radius: var(--radius-md);
            padding: 1.4rem 1.6rem;
            transition: var(--transition-base);
        }

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

        .faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .faq-item p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(6, 182, 212, 0.15);
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            color: var(--text-white);
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 0.25rem 0;
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(6, 182, 212, 0.12);
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-hero-content {
                flex-direction: column;
                text-align: center;
            }
            .category-hero-text p {
                max-width: 100%;
            }
            .category-hero-stats {
                justify-content: center;
            }
            .category-hero-image {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
            .main-nav {
                gap: 1.2rem;
            }
            .main-nav a {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 340px;
                height: 100vh;
                background: var(--bg-secondary);
                flex-direction: column;
                padding: 5rem 2rem;
                gap: 1.8rem;
                transition: right 0.35s ease;
                z-index: 999;
                border-left: 1px solid var(--border-glow);
                backdrop-filter: blur(20px);
            }
            .main-nav.open {
                right: 0;
            }
            .mobile-toggle {
                display: block;
                z-index: 1100;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                display: inline-flex;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .category-hero-text h1 {
                font-size: 2rem;
            }
            .vip-banner {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .posts-grid {
                grid-template-columns: 1fr;
            }
            .header-inner {
                height: 64px;
            }
            .btn-login,
            .btn-signup {
                padding: 0.45rem 0.8rem;
                font-size: 0.8rem;
            }
        }

        /* FAB */
        .fab-float {
            position: fixed;
            left: 1.2rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 26, 0.8);
            backdrop-filter: blur(10px);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            transition: var(--transition-base);
            animation: floatBreath 3s infinite ease-in-out;
        }

        .fab-float:hover {
            transform: scale(1.12);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.8);
        }

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

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            background: var(--accent-pink);
            border-radius: 50%;
            border: 2px solid white;
            animation: pulseBadge 1.8s infinite;
        }

        @keyframes pulseBadge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.25);
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #07071A;
            --bg-secondary: #0A0F2C;
            --bg-card: rgba(10, 20, 50, 0.65);
            --accent-cyan: #06B6D4;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #B0B8CC;
            --text-muted: #6A7290;
            --border-glow: rgba(6, 182, 212, 0.3);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-lime: 0 0 15px rgba(163, 230, 53, 0.4);
            --glass-bg: rgba(7, 7, 26, 0.75);
            --blur-amount: 16px;
            --radius-xl: 1.5rem;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-silver);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--glass-bg);
            backdrop-filter: blur(var(--blur-amount));
            -webkit-backdrop-filter: blur(var(--blur-amount));
            border-bottom: 1px solid rgba(6, 182, 212, 0.12);
            transition: var(--transition-base);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-white);
            letter-spacing: -0.3px;
        }
        .logo i {
            color: var(--accent-cyan);
            font-size: 1.8rem;
            text-shadow: var(--shadow-neon);
        }
        .logo span {
            background: linear-gradient(135deg, #06B6D4, #A3E635);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.5rem 0;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(to right, var(--accent-cyan), var(--accent-lime));
            transition: width 0.3s ease;
        }
        .main-nav a:hover, .main-nav a.active {
            color: var(--text-white);
        }
        .main-nav a:hover::after, .main-nav a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .btn-login {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.55rem 1.2rem;
            border: 1px solid rgba(6, 182, 212, 0.5);
            border-radius: var(--radius-sm);
            background: transparent;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            border-color: var(--accent-cyan);
        }
        .btn-signup {
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.55rem 1.4rem;
            background: linear-gradient(135deg, #06B6D4, #0284C7);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-neon);
            transition: var(--transition-base);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.7);
            filter: brightness(1.1);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.8rem;
            cursor: pointer;
            z-index: 1100;
        }
        .page-main {
            flex: 1;
            margin-top: 70px;
        }
        .page-hero {
            background: linear-gradient(180deg, rgba(6,182,212,0.08) 0%, rgba(7,7,26,0) 60%);
            padding: 4rem 0 3rem;
            border-bottom: 1px solid rgba(6,182,212,0.08);
        }
        .page-hero-content {
            display: flex;
            align-items: center;
            gap: 3rem;
            flex-wrap: wrap;
        }
        .page-hero-text {
            flex: 1;
            min-width: 280px;
        }
        .page-hero-text h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 1.25rem;
            background: linear-gradient(135deg, #FFFFFF 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero-text p {
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--text-silver);
            margin-bottom: 1.5rem;
        }
        .page-hero-visual {
            flex: 0 0 360px;
            min-width: 280px;
        }
        .page-hero-visual img {
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-glow);
            box-shadow: 0 0 40px rgba(6,182,212,0.15);
        }
        .section-block {
            padding: 4rem 0;
        }
        .section-block.alt {
            background: var(--bg-secondary);
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.75rem;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 720px;
            line-height: 1.6;
        }
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 2rem;
        }
        .review-card {
            background: var(--bg-card);
            backdrop-filter: blur(var(--blur-amount));
            -webkit-backdrop-filter: blur(var(--blur-amount));
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent-cyan);
            box-shadow: 0 20px 40px rgba(6,182,212,0.12);
        }
        .review-card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .review-card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .review-card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }
        .review-card-body .rating {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            margin-bottom: 0.75rem;
            color: #FBBF24;
            font-size: 0.95rem;
        }
        .review-card-body .rating span {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-left: 0.25rem;
        }
        .review-card-body p {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.65;
            margin-bottom: 1.2rem;
            flex: 1;
        }
        .review-card-body .review-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-top: 1px solid rgba(6,182,212,0.12);
            padding-top: 0.9rem;
        }
        .benefit-list {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.2rem;
        }
        .benefit-list li {
            background: var(--bg-card);
            border: 1px solid rgba(6,182,212,0.15);
            border-radius: var(--radius-lg);
            padding: 1.3rem 1.5rem;
            color: var(--text-silver);
            font-size: 0.98rem;
            display: flex;
            align-items: flex-start;
            gap: 0.9rem;
            backdrop-filter: blur(10px);
            transition: var(--transition-base);
        }
        .benefit-list li:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(6,182,212,0.1);
        }
        .benefit-list li i {
            color: var(--accent-lime);
            font-size: 1.3rem;
            flex-shrink: 0;
            margin-top: 0.15rem;
        }
        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1.5rem;
            text-align: center;
        }
        .stat-item {
            background: var(--bg-card);
            border: 1px solid rgba(6,182,212,0.15);
            border-radius: var(--radius-xl);
            padding: 2rem 1rem;
            backdrop-filter: blur(12px);
        }
        .stat-item .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-cyan);
            text-shadow: var(--shadow-neon);
        }
        .stat-item .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 0.4rem;
        }
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .content-item {
            display: flex;
            align-items: center;
            gap: 1.3rem;
            background: var(--bg-card);
            border: 1px solid rgba(6,182,212,0.08);
            border-radius: var(--radius-lg);
            padding: 1.2rem 1.5rem;
            backdrop-filter: blur(10px);
            transition: var(--transition-base);
        }
        .content-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 6px 24px rgba(6,182,212,0.08);
        }
        .content-item .content-thumb {
            width: 80px;
            height: 56px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .content-item .content-info {
            flex: 1;
        }
        .content-item .content-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 0.2rem;
        }
        .content-item .content-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .cta-block {
            background: linear-gradient(135deg, rgba(6,182,212,0.12) 0%, rgba(163,230,53,0.06) 100%);
            border: 1px solid rgba(6,182,212,0.25);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            text-align: center;
            backdrop-filter: blur(16px);
        }
        .cta-block h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        .cta-block p {
            color: var(--text-silver);
            font-size: 1rem;
            margin-bottom: 1.8rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-block .btn-primary {
            display: inline-block;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.8rem 2.2rem;
            background: linear-gradient(135deg, #06B6D4, #0284C7);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-neon);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: var(--transition-base);
        }
        .cta-block .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(6,182,212,0.7);
            filter: brightness(1.1);
        }
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(6,182,212,0.12);
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0.6rem;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            border-top: 1px solid rgba(6,182,212,0.08);
            padding-top: 1.5rem;
        }
        @media (max-width: 1024px) {
            .page-hero-content {
                flex-direction: column;
            }
            .page-hero-visual {
                flex: 0 0 auto;
                max-width: 400px;
                margin: 0 auto;
            }
            .page-hero-text h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 340px;
                height: 100vh;
                background: var(--bg-secondary);
                flex-direction: column;
                padding: 5rem 2rem;
                gap: 1.8rem;
                transition: right 0.35s ease;
                z-index: 999;
                border-left: 1px solid var(--border-glow);
                backdrop-filter: blur(20px);
            }
            .main-nav.open {
                right: 0;
            }
            .mobile-toggle {
                display: block;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                display: inline-flex;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .page-hero-text h1 {
                font-size: 1.8rem;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .cta-block h3 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 60px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .btn-login, .btn-signup {
                font-size: 0.8rem;
                padding: 0.4rem 1rem;
            }
            .page-hero-text h1 {
                font-size: 1.5rem;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #07071A;
            --bg-secondary: #0A0F2C;
            --bg-card: rgba(10, 20, 50, 0.65);
            --accent-cyan: #06B6D4;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #B0B8CC;
            --text-muted: #6A7290;
            --border-glow: rgba(6, 182, 212, 0.3);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-lime: 0 0 15px rgba(163, 230, 53, 0.4);
            --glass-bg: rgba(7, 7, 26, 0.75);
            --blur-amount: 16px;
            --radius-xl: 1.5rem;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-silver);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-top: 70px;
        }

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

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

        button, input, select, textarea {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--glass-bg);
            backdrop-filter: blur(var(--blur-amount));
            -webkit-backdrop-filter: blur(var(--blur-amount));
            border-bottom: 1px solid rgba(6, 182, 212, 0.12);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-white);
            letter-spacing: -0.3px;
        }

        .logo i {
            color: var(--accent-cyan);
            font-size: 1.8rem;
            text-shadow: var(--shadow-neon);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .main-nav a {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.5rem 0;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(to right, var(--accent-cyan), var(--accent-lime));
            transition: width 0.3s ease;
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.55rem 1.2rem;
            border: 1px solid rgba(6, 182, 212, 0.5);
            border-radius: var(--radius-sm);
            background: transparent;
            transition: var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            border-color: var(--accent-cyan);
        }

        .btn-signup {
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.55rem 1.4rem;
            background: linear-gradient(135deg, #06B6D4, #0284C7);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-neon);
            transition: var(--transition-base);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.7);
            filter: brightness(1.1);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.8rem;
            cursor: pointer;
            z-index: 1100;
        }

        @media (max-width: 992px) {
            .main-nav {
                gap: 1.2rem;
            }
            .main-nav a {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 340px;
                height: 100vh;
                background: var(--bg-secondary);
                flex-direction: column;
                padding: 5rem 2rem;
                gap: 1.8rem;
                transition: right 0.35s ease;
                z-index: 999;
                border-left: 1px solid var(--border-glow);
                backdrop-filter: blur(20px);
            }
            .main-nav.open {
                right: 0;
            }
            .mobile-toggle {
                display: block;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                display: inline-flex;
            }
        }

        /* Hero Banner */
        .hero-banner {
            background: linear-gradient(135deg, #0A0F2C 0%, #07071A 100%);
            border-bottom: 1px solid var(--border-glow);
            padding: 3.5rem 0 3rem;
            position: relative;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-banner h1 {
            color: var(--text-white);
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            position: relative;
        }
        .hero-banner p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 700px;
            position: relative;
        }

        /* Section Styles */
        .section {
            padding: 4rem 0;
        }
        .section-dark {
            background-color: var(--bg-secondary);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -8px;
            width: 60%;
            height: 3px;
            background: linear-gradient(to right, var(--accent-cyan), var(--accent-lime));
            border-radius: 2px;
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 2.5rem;
        }

        /* Glass Card */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: var(--transition-base);
            height: 100%;
        }
        .glass-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }
        .glass-card .icon-wrap {
            width: 56px;
            height: 56px;
            background: rgba(6, 182, 212, 0.15);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.25rem;
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }
        .glass-card h3 {
            color: var(--text-white);
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }
        .glass-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        /* Step Cards */
        .step-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.5rem 0;
            border-bottom: 1px solid rgba(6, 182, 212, 0.15);
            align-items: flex-start;
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-cyan), #0284C7);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--text-white);
            box-shadow: var(--shadow-neon);
        }
        .step-content h4 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 0.35rem;
        }
        .step-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Download Buttons */
        .download-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            text-align: center;
            transition: var(--transition-base);
            height: 100%;
        }
        .download-card:hover {
            border-color: var(--accent-lime);
            box-shadow: var(--shadow-lime);
            transform: translateY(-5px);
        }
        .download-card i {
            font-size: 3rem;
            color: var(--accent-lime);
            margin-bottom: 1rem;
            display: block;
        }
        .download-card h3 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .btn-download {
            display: inline-block;
            background: linear-gradient(135deg, #A3E635, #65A30D);
            color: #07071A;
            font-weight: 700;
            padding: 0.8rem 2.2rem;
            border-radius: var(--radius-md);
            margin-top: 1.2rem;
            box-shadow: var(--shadow-lime);
            transition: var(--transition-base);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .btn-download:hover {
            filter: brightness(1.15);
            transform: scale(1.05);
            color: #07071A;
        }

        /* Feature List */
        .feature-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(6, 182, 212, 0.12);
            color: var(--accent-cyan);
            padding: 0.45rem 1.1rem;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin: 0.25rem;
        }

        /* Article List */
        .article-list-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid rgba(6, 182, 212, 0.1);
            align-items: flex-start;
        }
        .article-list-item:last-child {
            border-bottom: none;
        }
        .article-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .article-info h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        .article-info h5 a {
            color: var(--text-white);
        }
        .article-info h5 a:hover {
            color: var(--accent-cyan);
        }
        .article-info .meta {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(6, 182, 212, 0.15);
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            margin-bottom: 0.6rem;
            font-size: 0.95rem;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.06);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero-banner h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .download-card {
                margin-bottom: 1.5rem;
            }
        }

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