* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            color: #fff;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid #00ffff;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            color: #00ffff;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .logo:hover {
            color: #ff00ff;
            transition: color 0.3s ease;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        nav a:hover {
            color: #00ffff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.1);
            padding: 1rem 0;
            margin-top: 80px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: #00ffff;
            text-decoration: none;
        }
        .search-section {
            background: rgba(255, 255, 255, 0.05);
            padding: 3rem 0;
            text-align: center;
            margin: 2rem 0;
            border-radius: 15px;
            border: 1px solid rgba(0, 255, 255, 0.3);
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #00ffff;
            border-radius: 25px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1rem;
        }
        .search-input::placeholder {
            color: #ccc;
        }
        .search-btn {
            padding: 1rem 2rem;
            background: linear-gradient(45deg, #00ffff, #ff00ff);
            border: none;
            border-radius: 25px;
            color: #fff;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s ease;
        }
        .search-btn:hover {
            transform: scale(1.05);
        }
        main {
            padding: 2rem 0;
        }
        .article-content {
            background: rgba(255, 255, 255, 0.05);
            padding: 3rem;
            border-radius: 15px;
            margin-bottom: 2rem;
            border: 1px solid rgba(0, 255, 255, 0.2);
        }
        h1 {
            font-size: 3rem;
            color: #00ffff;
            margin-bottom: 2rem;
            text-align: center;
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
        }
        h2 {
            font-size: 2rem;
            color: #ff00ff;
            margin: 2rem 0 1rem 0;
            border-left: 4px solid #ff00ff;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #00ff00;
            margin: 1.5rem 0 1rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background: linear-gradient(45deg, #ff00ff, #00ffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: bold;
        }
        .feature-box {
            background: rgba(0, 255, 255, 0.1);
            border: 1px solid #00ffff;
            border-radius: 10px;
            padding: 2rem;
            margin: 2rem 0;
        }
        .download-section {
            text-align: center;
            background: linear-gradient(135deg, #ff00ff, #00ffff);
            padding: 3rem;
            border-radius: 15px;
            margin: 3rem 0;
        }
        .download-btn {
            display: inline-block;
            background: #000;
            color: #fff;
            padding: 1.5rem 3rem;
            text-decoration: none;
            border-radius: 50px;
            font-size: 1.2rem;
            font-weight: bold;
            margin: 1rem 0;
            transition: transform 0.3s ease;
        }
        .download-btn:hover {
            transform: scale(1.1);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            border: 3px solid #00ffff;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .interactive-card {
            background: rgba(255, 255, 255, 0.1);
            padding: 2rem;
            border-radius: 10px;
            text-align: center;
            transition: transform 0.3s ease;
            border: 1px solid transparent;
        }
        .interactive-card:hover {
            transform: translateY(-10px);
            border-color: #00ffff;
        }
        .rating-system {
            background: rgba(255, 255, 255, 0.05);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ffd700;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .star:hover {
            color: #ffed4e;
        }
        .comment-system {
            background: rgba(255, 255, 255, 0.05);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .comment-form {
            display: grid;
            gap: 1rem;
            margin-top: 1rem;
        }
        .comment-input, .comment-textarea {
            padding: 1rem;
            border: 2px solid #00ffff;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1rem;
        }
        .comment-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(45deg, #00ffff, #ff00ff);
            border: none;
            padding: 1rem 2rem;
            border-radius: 25px;
            color: #fff;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s ease;
        }
        .submit-btn:hover {
            transform: scale(1.05);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
        }
        .web-link a {
            color: #00ffff;
            text-decoration: none;
            font-weight: 500;
        }
        .web-link a:hover {
            color: #ff00ff;
        }
        footer {
            background: rgba(0, 0, 0, 0.9);
            padding: 3rem 0 1rem 0;
            text-align: center;
            border-top: 2px solid #00ffff;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 2rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(0, 0, 0, 0.95);
                padding: 1rem;
            }
            nav ul.active {
                display: flex;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .article-content {
                padding: 1.5rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out;
        }
        .schema-data {
            display: none;
        }