:root {
            --primary: #5865F2;
            --secondary: #EB459E;
            --accent: #57F287;
            --dark: #0f0f1a;
            --darker: #080810;
            --light: #f5f5fa;
            --gray: #a0a0b4;
            --card-bg: #16162a;
            --text: #e4e4f0;
            --border: rgba(88, 101, 242, 0.2);
            --radius: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: var(--dark);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            padding: 0;
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 900;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -1px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: var(--transition);
        }
        .my-logo span {
            font-size: 14px;
            font-weight: 400;
            color: var(--gray);
            display: block;
            letter-spacing: 1px;
            -webkit-text-fill-color: var(--gray);
            margin-top: -4px;
        }
        .main-nav {
            display: flex;
            gap: 4px;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--gray);
            text-decoration: none;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--light);
            background: rgba(88, 101, 242, 0.15);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
        }
        .breadcrumb {
            padding: 12px 0;
            font-size: 13px;
            color: var(--gray);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .breadcrumb-wrap {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb i {
            font-size: 12px;
            margin: 0 6px;
            opacity: 0.6;
        }
        .hero {
            position: relative;
            padding: 80px 24px 60px;
            background: radial-gradient(ellipse at top, rgba(88,101,242,0.15), transparent 50%),
                        radial-gradient(ellipse at bottom right, rgba(235,69,158,0.1), transparent 50%);
            text-align: center;
        }
        .hero-content {
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(88, 101, 242, 0.15);
            border: 1px solid var(--border);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 50px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 56px;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 0%, #b8b8f0 50%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 18px;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .stat-item {
            text-align: center;
        }
        .stat-item .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--light);
            display: block;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--gray);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 40px 24px;
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 40px;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            height: fit-content;
            border-radius: var(--radius);
            background: var(--card-bg);
            padding: 24px;
            border: 1px solid var(--border);
        }
        .sidebar h3 {
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--gray);
            margin-bottom: 16px;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar ul li {
            margin: 4px 0;
        }
        .sidebar ul li a {
            color: var(--text);
            text-decoration: none;
            font-size: 14px;
            padding: 8px 12px;
            display: block;
            border-radius: 8px;
            transition: var(--transition);
            border-left: 2px solid transparent;
        }
        .sidebar ul li a:hover {
            background: rgba(88, 101, 242, 0.1);
            border-left-color: var(--primary);
        }
        .content {
            min-width: 0;
        }
        .content-section {
            margin-bottom: 60px;
        }
        .content-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--light);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid rgba(88, 101, 242, 0.3);
        }
        .content-section h3 {
            font-size: 24px;
            font-weight: 700;
            color: #d4d4e8;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .content-section h4 {
            font-size: 19px;
            font-weight: 600;
            color: #b8b8d0;
            margin-top: 24px;
            margin-bottom: 10px;
        }
        .content-section p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .content-section ul,
        .content-section ol {
            margin: 0 0 16px 20px;
            color: var(--text);
        }
        .content-section li {
            margin-bottom: 8px;
        }
        .highlight-box {
            background: linear-gradient(135deg, rgba(88,101,242,0.1), rgba(235,69,158,0.05));
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: var(--accent);
        }
        .tip-box {
            background: rgba(87, 242, 135, 0.08);
            border: 1px solid rgba(87, 242, 135, 0.2);
            border-radius: var(--radius);
            padding: 20px;
            margin: 20px 0;
        }
        .tip-box strong {
            color: var(--accent);
        }
        .world-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
            margin: 24px 0;
        }
        .world-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            transition: var(--transition);
        }
        .world-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: 0 8px 30px rgba(88, 101, 242, 0.15);
        }
        .world-card h4 {
            color: var(--light);
            margin-bottom: 8px;
        }
        .world-card p {
            font-size: 14px;
            color: var(--gray);
            margin-bottom: 12px;
        }
        .world-card .card-tag {
            display: inline-block;
            background: rgba(88, 101, 242, 0.1);
            color: var(--primary);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 50px;
            margin-right: 4px;
            font-weight: 600;
        }
        .image-container {
            margin: 32px 0;
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            box-shadow: 0 12px 40px rgba(0,0,0,0.3);
        }
        .image-container img {
            width: 100%;
            height: auto;
            display: block;
        }
        .image-caption {
            background: rgba(0,0,0,0.6);
            padding: 12px 20px;
            font-size: 14px;
            color: var(--gray);
            text-align: center;
        }
        .data-table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--card-bg);
        }
        .data-table th,
        .data-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .data-table th {
            background: rgba(88, 101, 242, 0.1);
            font-weight: 700;
            color: var(--light);
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .data-table tr:hover {
            background: rgba(255,255,255,0.02);
        }
        .interactive-section {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            margin: 32px 0;
        }
        .interactive-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--gray);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            background: rgba(0,0,0,0.3);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text);
            font-size: 14px;
            outline: none;
            transition: var(--transition);
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(88, 101, 242, 0.2);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(88, 101, 242, 0.3);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 28px;
            cursor: pointer;
            margin: 12px 0;
        }
        .rating-stars i {
            color: var(--gray);
            transition: var(--transition);
        }
        .rating-stars i.active,
        .rating-stars i:hover {
            color: #FFD700;
        }
        .site-footer {
            background: var(--darker);
            border-top: 1px solid var(--border);
            padding: 40px 24px 20px;
            margin-top: 60px;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            color: var(--light);
            font-size: 16px;
            margin-bottom: 16px;
        }
        .footer-grid ul {
            list-style: none;
        }
        .footer-grid ul li {
            margin: 8px 0;
        }
        .footer-grid ul li a {
            color: var(--gray);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-grid ul li a:hover {
            color: var(--primary);
        }
        .footer-copyright {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
            text-align: center;
            font-size: 14px;
            color: var(--gray);
        }
        .footer-copyright a {
            color: var(--primary);
            text-decoration: none;
        }
        friend-link {
            display: block;
            margin-top: 8px;
            font-size: 13px;
            color: var(--gray);
        }
        friend-link a {
            color: var(--gray);
            text-decoration: none;
            margin-right: 12px;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: var(--primary);
        }
        .search-bar {
            display: flex;
            margin: 16px 0;
            border-radius: 50px;
            background: rgba(0,0,0,0.3);
            border: 1px solid var(--border);
            overflow: hidden;
            max-width: 500px;
        }
        .search-bar input {
            flex: 1;
            padding: 12px 20px;
            background: none;
            border: none;
            color: var(--text);
            font-size: 14px;
            outline: none;
        }
        .search-bar button {
            background: var(--primary);
            border: none;
            color: #fff;
            padding: 0 24px;
            cursor: pointer;
            transition: var(--transition);
            font-size: 15px;
        }
        .search-bar button:hover {
            background: var(--secondary);
        }
        @media (max-width: 1024px) {
            .container {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: -1;
                display: none;
            }
            .sidebar.open {
                display: block;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 16px;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0;
            }
            .main-nav.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero p {
                font-size: 16px;
            }
            .hero-stats {
                gap: 16px;
            }
            .stat-item .stat-num {
                font-size: 24px;
            }
            .breadcrumb-wrap {
                font-size: 12px;
            }
            .content-section h2 {
                font-size: 26px;
            }
            .content-section h3 {
                font-size: 20px;
            }
            .content-section h4 {
                font-size: 17px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 24px 16px;
            }
            .hero {
                padding: 48px 16px 40px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .world-grid {
                grid-template-columns: 1fr;
            }
        }