* { 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;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #f0f4f8 100%);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        h1, h2, h3, h4 { color: #2c3e50; margin-bottom: 1rem; font-weight: 700; }
        h1 { font-size: 2.8rem; line-height: 1.2; margin-top: 1.5rem; border-bottom: 4px solid #3498db; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; color: #2980b9; margin-top: 2.5rem; }
        h3 { font-size: 1.8rem; color: #16a085; margin-top: 2rem; }
        h4 { font-size: 1.4rem; color: #8e44ad; margin-top: 1.5rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; text-align: justify; }
        a { color: #2980b9; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e74c3c; text-decoration: underline; }
        strong { color: #2c3e50; }
        em { font-style: italic; color: #7f8c8d; }
        .container { display: grid; grid-template-columns: 1fr; gap: 2rem; }
        header { background: linear-gradient(to right, #1a2980, #26d0ce); color: white; padding: 1.5rem 0; border-radius: 0 0 12px 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.1); margin-bottom: 2rem; }
        .header-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
        .my-logo a { font-size: 2.2rem; font-weight: 900; color: white; display: flex; align-items: center; }
        .my-logo i { margin-right: 10px; color: #f1c40f; }
        .search-form { display: flex; max-width: 400px; width: 100%; }
        .search-form input { flex: 1; padding: 12px 15px; border: none; border-radius: 30px 0 0 30px; font-size: 1rem; }
        .search-form button { background: #f39c12; color: white; border: none; padding: 0 25px; border-radius: 0 30px 30px 0; cursor: pointer; font-weight: bold; transition: background 0.3s; }
        .search-form button:hover { background: #e67e22; }
        nav { background: #34495e; border-radius: 8px; margin-top: 1.5rem; }
        .nav-desktop { display: flex; flex-wrap: wrap; list-style: none; justify-content: center; }
        .nav-desktop li { margin: 0; }
        .nav-desktop a { color: #ecf0f1; padding: 15px 20px; display: block; font-weight: 600; }
        .nav-desktop a:hover { background: #3498db; color: white; border-radius: 4px; }
        .hamburger { display: none; background: none; border: none; color: white; font-size: 1.8rem; cursor: pointer; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-desktop { display: none; flex-direction: column; width: 100%; }
            .nav-desktop.active { display: flex; }
        }
        .breadcrumb { padding: 1rem 0; font-size: 0.9rem; color: #7f8c8d; }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb a:hover { color: #3498db; }
        main { background: white; padding: 2.5rem; border-radius: 12px; box-shadow: 0 5px 25px rgba(0,0,0,0.06); }
        .hero-image { width: 100%; height: auto; border-radius: 10px; margin: 2rem 0; box-shadow: 0 8px 20px rgba(0,0,0,0.15); }
        .related-links { background: #e8f4fc; border-left: 5px solid #3498db; padding: 1.5rem; margin: 2rem 0; border-radius: 0 8px 8px 0; }
        .related-links h4 { margin-top: 0; }
        .related-links ul { list-style: none; }
        .related-links li { margin-bottom: 0.8rem; }
        .highlight-box { background: #fffde7; border: 2px dashed #f1c40f; padding: 1.5rem; margin: 2rem 0; border-radius: 10px; }
        .comment-form, .rating-form { background: #f9f9f9; padding: 1.8rem; border-radius: 10px; margin: 3rem 0; border: 1px solid #ddd; }
        .form-group { margin-bottom: 1.2rem; }
        label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        input, textarea, select { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem; }
        button[type="submit"] { background: linear-gradient(to right, #27ae60, #2ecc71); color: white; border: none; padding: 14px 28px; border-radius: 30px; font-size: 1.1rem; font-weight: bold; cursor: pointer; transition: transform 0.3s, box-shadow 0.3s; }
        button[type="submit"]:hover { transform: translateY(-3px); box-shadow: 0 7px 15px rgba(46, 204, 113, 0.4); }
        .star-rating { display: flex; gap: 10px; font-size: 1.8rem; color: #f1c40f; margin: 1rem 0; }
        .star-rating i { cursor: pointer; transition: color 0.2s; }
        footer { background: #2c3e50; color: #bdc3c7; padding: 3rem 0 2rem; margin-top: 4rem; border-radius: 12px 12px 0 0; text-align: center; }
        .friend-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; margin: 2rem 0; }
        .friend-links a { color: #3498db; font-weight: 600; }
        .copyright { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid #34495e; font-size: 0.9rem; }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-top { flex-direction: column; align-items: flex-start; gap: 1rem; }
            .search-form { max-width: 100%; }
            main { padding: 1.5rem; }
        }