* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            text-decoration: none;
            color: #2c3e50;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #3498db;
        }
        ul {
            list-style: none;
        }
        header {
            background: #2c3e50;
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 700;
            color: #ecf0f1;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #3498db;
        }
        .logo a:hover {
            color: #3498db;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
        }
        .nav-links a {
            color: #ecf0f1;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background: #3498db;
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background: #34495e;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        .breadcrumb a {
            color: #ecf0f1;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            flex: 1;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            background: white;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            overflow: hidden;
        }
        .article-header {
            text-align: center;
            padding: 3rem 1rem;
            background: linear-gradient(90deg, #3498db, #2c3e50);
            color: white;
            border-radius: 12px 12px 0 0;
            margin-bottom: 2rem;
        }
        .article-header h1 {
            font-size: 2.8rem;
            margin-bottom: 1rem;
            text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            font-size: 0.9rem;
            opacity: 0.9;
        }
        .article-content {
            padding: 0 2rem 3rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-content h2 {
            color: #2c3e50;
            border-left: 5px solid #3498db;
            padding-left: 1rem;
            margin: 2.5rem 0 1.5rem;
            font-size: 2rem;
        }
        .article-content h3 {
            color: #34495e;
            margin: 2rem 0 1rem;
            font-size: 1.5rem;
        }
        .article-content strong {
            color: #e74c3c;
            font-weight: 700;
        }
        .article-content em {
            color: #27ae60;
            font-style: italic;
        }
        .highlight-box {
            background: #f8f9fa;
            border-left: 4px solid #3498db;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            text-align: center;
            margin: 2.5rem 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .search-box, .comment-form, .rating-form {
            background: #f1f8ff;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            border: 1px solid #d1e7ff;
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            margin-top: 0;
            color: #2980b9;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #bdc3c7;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #3498db;
            outline: none;
        }
        button {
            background: #3498db;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s, transform 0.2s;
            align-self: flex-start;
        }
        button:hover {
            background: #2980b9;
            transform: translateY(-2px);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star:hover,
        .star.active {
            color: #f39c12;
        }
        .footer-links {
            background: #2c3e50;
            padding: 3rem 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: #34495e;
            padding: 1rem;
            border-radius: 8px;
            transition: background 0.3s;
        }
        .web-link:hover {
            background: #3d566e;
        }
        .web-link a {
            color: #ecf0f1;
            display: block;
            font-weight: 500;
        }
        footer {
            background: #1a252f;
            color: #bdc3c7;
            text-align: center;
            padding: 2rem;
            font-size: 0.9rem;
        }
        .copyright {
            margin-top: 1rem;
            border-top: 1px solid #34495e;
            padding-top: 1rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #2c3e50;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-top: 1px solid #34495e;
                z-index: 999;
            }
            .nav-links.active {
                display: flex;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .article-content {
                padding: 0 1rem 2rem;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                padding: 0.8rem 1rem;
                font-size: 0.8rem;
            }
        }