* {
            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: inherit;
            transition: color 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #2d3748;
            color: white;
            padding: 15px 0;
            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;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ff6b6b;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: #4ecdc4;
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            font-size: 1.1rem;
            padding: 8px 15px;
            border-radius: 5px;
            transition: background 0.3s ease, transform 0.2s ease;
        }
        .desktop-nav a:hover {
            background: #4a5568;
            transform: translateY(-2px);
        }
        .mobile-menu-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ff6b6b;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #2d3748;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 15px;
            border-top: 1px solid #4a5568;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px 20px;
            border-bottom: 1px solid #4a5568;
            transition: background 0.3s ease;
        }
        .mobile-nav a:hover {
            background: #4a5568;
        }
        .breadcrumb {
            background: #edf2f7;
            padding: 10px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: #718096;
        }
        .breadcrumb a:hover {
            color: #ff6b6b;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #2d3748;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-header p {
            font-size: 1.2rem;
            color: #718096;
            max-width: 800px;
            margin: 0 auto;
        }
        .article-content {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .section {
            margin-bottom: 50px;
        }
        h2 {
            font-size: 2.2rem;
            color: #2d3748;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #4ecdc4;
        }
        h3 {
            font-size: 1.8rem;
            color: #4a5568;
            margin: 25px 0 15px;
        }
        p {
            font-size: 1.15rem;
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background: #fff9db;
            padding: 25px;
            border-left: 5px solid #ffd43b;
            border-radius: 8px;
            margin: 25px 0;
        }
        .highlight strong {
            color: #e67700;
        }
        .code-block {
            background: #2d3748;
            color: #81e6d9;
            padding: 20px;
            border-radius: 10px;
            font-family: monospace;
            font-size: 1.1rem;
            margin: 20px 0;
            overflow-x: auto;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.4s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-style: italic;
            color: #718096;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .search-box {
            background: #f7fafc;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
            text-align: center;
        }
        .search-box h3 {
            color: #2d3748;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 20px auto;
        }
        .search-form input {
            flex: 1;
            padding: 15px;
            border: 2px solid #cbd5e0;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background: #ff6b6b;
            color: white;
            border: none;
            padding: 15px 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: #ff5252;
        }
        .comment-section, .rating-section {
            background: #f7fafc;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .comment-form, .rating-form {
            display: grid;
            gap: 20px;
            max-width: 800px;
            margin-top: 20px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            color: #4a5568;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 12px;
            border: 2px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
            border-color: #4ecdc4;
            outline: none;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: #4ecdc4;
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: background 0.3s ease, transform 0.2s ease;
            justify-self: start;
        }
        .submit-btn:hover {
            background: #3dbcb4;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ffd43b;
            margin: 10px 0;
        }
        .star-rating label {
            cursor: pointer;
            transition: transform 0.2s ease;
        }
        .star-rating label:hover {
            transform: scale(1.2);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .web-link {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: #2d3748;
            font-weight: 600;
            font-size: 1.1rem;
            display: block;
        }
        .web-link a:hover {
            color: #ff6b6b;
        }
        footer {
            background: #2d3748;
            color: #cbd5e0;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #4a5568;
            width: 100%;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 30px 20px;
            }
        }
        @media (max-width: 768px) {
            .search-form {
                flex-direction: column;
            }
            .search-form input, .search-form button {
                border-radius: 8px;
                margin-bottom: 10px;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .article-header h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            p {
                font-size: 1rem;
            }
        }