:root {
            --primary-purple: #7b2cbf;
            --secondary-blue: #4361ee;
            --dark-bg: #0f0f23;
            --card-bg: #1a1a2e;
            --text-light: #e6e6ff;
            --text-muted: #b8b8d1;
            --accent-green: #4cc9f0;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            background-color: var(--dark-bg);
            color: var(--text-light);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
            text-shadow: 0 0 8px rgba(76, 201, 240, 0.7);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        header {
            background: linear-gradient(135deg, var(--card-bg) 0%, #16213e 100%);
            padding: var(--spacing-sm) 0;
            border-bottom: 2px solid var(--primary-purple);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-purple), var(--accent-green));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        nav a {
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-weight: 600;
        }
        nav a:hover {
            background: rgba(123, 44, 191, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .breadcrumb {
            padding: var(--spacing-sm) 0;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--accent-green);
        }
        main {
            padding: var(--spacing-lg) 0;
        }
        article {
            background-color: var(--card-bg);
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: var(--spacing-lg);
        }
        h1 {
            font-size: 3rem;
            margin-bottom: var(--spacing-md);
            color: var(--accent-green);
            text-align: center;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            color: var(--primary-purple);
            border-left: 5px solid var(--accent-green);
            padding-left: var(--spacing-sm);
        }
        h3 {
            font-size: 1.8rem;
            margin: var(--spacing-md) 0 var(--spacing-xs);
            color: var(--text-light);
        }
        h4 {
            font-size: 1.4rem;
            margin: var(--spacing-sm) 0;
            color: var(--text-muted);
        }
        p {
            margin-bottom: var(--spacing-sm);
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: var(--spacing-md);
            font-weight: 300;
        }
        .highlight {
            background: linear-gradient(90deg, transparent, rgba(123, 44, 191, 0.15), transparent);
            padding: var(--spacing-sm);
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
            border-left: 4px solid var(--accent-green);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            display: block;
            margin: var(--spacing-md) auto;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        }
        .feature-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
            margin: var(--spacing-lg) 0;
        }
        .card {
            background: linear-gradient(145deg, #1f1f3a, #151528);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            border: 1px solid rgba(123, 44, 191, 0.3);
            transition: var(--transition);
        }
        .card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-green);
            box-shadow: 0 10px 20px rgba(76, 201, 240, 0.2);
        }
        .icon {
            font-size: 2.5rem;
            color: var(--accent-green);
            margin-bottom: var(--spacing-sm);
        }
        .interactive-module {
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            margin: var(--spacing-lg) 0;
            border: 2px solid var(--primary-purple);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        input, textarea, select {
            padding: 0.8rem;
            border-radius: 8px;
            border: 1px solid #333;
            background-color: #0f0f23;
            color: var(--text-light);
            font-size: 1rem;
        }
        button {
            background: linear-gradient(90deg, var(--primary-purple), var(--secondary-blue));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        button:hover {
            background: linear-gradient(90deg, var(--secondary-blue), var(--accent-green));
            transform: scale(1.05);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #444;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: gold;
            transform: scale(1.2);
        }
        footer {
            background-color: #0a0a15;
            padding: var(--spacing-lg) 0;
            border-top: 2px solid var(--primary-purple);
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            font-style: italic;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin: var(--spacing-md) 0;
        }
        .update-time {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: var(--spacing-md);
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--card-bg);
                padding: var(--spacing-sm);
                border-top: 1px solid var(--primary-purple);
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-content {
                flex-wrap: wrap;
            }
            .feature-box {
                grid-template-columns: 1fr;
            }
        }