* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #2c3e50;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        h1, h2, h3, h4 { color: #1a5276; margin-bottom: 1rem; font-weight: 700; }
        h1 { font-size: 2.8rem; line-height: 1.2; margin-top: 2rem; }
        h2 { font-size: 2.2rem; border-left: 5px solid #e74c3c; padding-left: 15px; margin-top: 3rem; }
        h3 { font-size: 1.8rem; color: #2874a6; margin-top: 2.5rem; }
        p { margin-bottom: 1.5rem; text-align: justify; font-size: 1.1rem; }
        a { color: #2980b9; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #e74c3c; text-decoration: underline; }
        strong { color: #c0392b; font-weight: 700; }
        em { font-style: italic; color: #7d3c98; }
        header { background: linear-gradient(to right, #1a5276, #2e86c1); color: white; padding: 1.5rem 0; border-radius: 0 0 15px 15px; box-shadow: 0 5px 20px rgba(0,0,0,0.1); margin-bottom: 2rem; }
        .header-container { display: flex; justify-content: space-between; align-items: center; padding: 0 20px; }
        .logo { font-size: 2.5rem; font-weight: 900; font-family: 'Impact', sans-serif; letter-spacing: 1px; text-shadow: 3px 3px 0 #000; }
        .logo a { color: #f1c40f; }
        .logo span { color: #e74c3c; }
        .desktop-nav { display: flex; gap: 2rem; }
        .desktop-nav a { color: white; font-weight: 600; padding: 10px 15px; border-radius: 8px; }
        .desktop-nav a:hover { background: rgba(255,255,255,0.15); text-decoration: none; }
        .hamburger { display: none; font-size: 2rem; cursor: pointer; }
        .mobile-nav { display: none; flex-direction: column; background: #1a5276; position: absolute; top: 100%; left: 0; width: 100%; padding: 1rem; border-radius: 0 0 15px 15px; z-index: 1000; }
        .mobile-nav.active { display: flex; }
        .mobile-nav a { color: white; padding: 12px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); }
        .breadcrumb { padding: 1rem 20px; background: #e8f4fc; border-radius: 10px; margin: 1rem 20px; font-size: 0.95rem; }
        .breadcrumb a::after { content: " › "; margin: 0 8px; color: #7f8c8d; }
        .breadcrumb a:last-child::after { content: ""; }
        main { display: grid; grid-template-columns: 1fr 300px; gap: 2.5rem; padding: 0 20px; }
        .content { background: white; padding: 2.5rem; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
        .sidebar { background: #f8f9fa; padding: 1.8rem; border-radius: 20px; border: 2px dashed #3498db; height: fit-content; }
        .search-box { margin-bottom: 2rem; }
        .search-box input { width: 100%; padding: 14px 20px; border: 2px solid #3498db; border-radius: 50px; font-size: 1rem; outline: none; }
        .search-box button { width: 100%; margin-top: 10px; padding: 14px; background: linear-gradient(to right, #2ecc71, #27ae60); color: white; border: none; border-radius: 50px; font-weight: 700; cursor: pointer; transition: transform 0.3s; }
        .search-box button:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(46, 204, 113, 0.4); }
        .rating-widget, .comment-widget { background: white; padding: 1.5rem; border-radius: 15px; margin-bottom: 2rem; box-shadow: 0 5px 15px rgba(0,0,0,0.03); }
        .rating-stars { display: flex; gap: 10px; margin: 1rem 0; }
        .rating-stars span { font-size: 2rem; color: #f1c40f; cursor: pointer; transition: transform 0.2s; }
        .rating-stars span:hover { transform: scale(1.2); }
        .comment-widget textarea { width: 100%; padding: 15px; border: 2px solid #bdc3c7; border-radius: 10px; margin-bottom: 15px; resize: vertical; min-height: 120px; }
        .comment-widget button { padding: 12px 30px; background: #3498db; color: white; border: none; border-radius: 8px; cursor: pointer; font-weight: 600; }
        .comment-widget button:hover { background: #2980b9; }
        .article-img { width: 100%; border-radius: 15px; margin: 2rem 0; box-shadow: 0 10px 25px rgba(0,0,0,0.1); transition: transform 0.5s ease; }
        .article-img:hover { transform: scale(1.02); }
        .intro { font-size: 1.3rem; color: #2c3e50; background: linear-gradient(to right, #e3f2fd, #f3e5f5); padding: 2rem; border-radius: 15px; margin-bottom: 2.5rem; border-left: 8px solid #9b59b6; }
        .highlight-box { background: #fffde7; border: 2px solid #f1c40f; padding: 1.8rem; border-radius: 12px; margin: 2rem 0; }
        .tip { background: #e8f6f3; border-left: 5px solid #1abc9c; padding: 1rem 1.5rem; margin: 1.5rem 0; }
        .web-links { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; margin: 3rem 0; padding: 2rem; background: #2c3e50; border-radius: 15px; }
        .web-link { background: #34495e; padding: 1.2rem; border-radius: 10px; text-align: center; }
        .web-link a { color: #ecf0f1; font-weight: 600; }
        .web-link:hover { background: #3d566e; transform: translateY(-5px); transition: all 0.3s; }
        footer { text-align: center; padding: 2.5rem; background: #1a252f; color: #bdc3c7; border-radius: 15px 15px 0 0; margin-top: 4rem; }
        .copyright { margin-top: 1rem; font-size: 0.9rem; color: #95a5a6; }
        @media (max-width: 1024px) {
            main { grid-template-columns: 1fr; }
            .web-links { grid-template-columns: repeat(3, 1fr); }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .header-container { flex-direction: column; align-items: flex-start; }
            .desktop-nav { display: none; }
            .hamburger { display: block; align-self: flex-end; margin-top: -50px; }
            .breadcrumb { margin: 1rem 0; }
            .content { padding: 1.5rem; }
            .web-links { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 480px) {
            .web-links { grid-template-columns: 1fr; }
            .header-container { padding: 0 10px; }
            main { padding: 0 10px; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content, .sidebar { animation: fadeIn 1s ease-out; }