* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #4a90e2;
            --secondary-color: #f39c12;
            --accent-color: #e74c3c;
            --text-color: #333;
            --light-bg: #f8f9fa;
            --dark-bg: #2c3e50;
            --shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary-color);
            text-decoration: none;
        }
        .logo span {
            color: var(--secondary-color);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            transition: color 0.3s;
        }
        .desktop-nav a:hover {
            color: var(--primary-color);
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-color);
        }
        .mobile-nav {
            display: none;
            background-color: white;
            padding: 20px;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
        }
        .breadcrumb {
            padding: 10px 0;
            background-color: var(--light-bg);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            text-decoration: none;
            color: var(--primary-color);
        }
        .search-section {
            background-color: var(--primary-color);
            padding: 40px 0;
            text-align: center;
            color: white;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .search-button:hover {
            background-color: #e67e22;
        }
        main {
            padding: 40px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--dark-bg);
            margin-bottom: 15px;
        }
        .article-meta {
            color: #666;
            font-size: 0.9rem;
        }
        .content-section {
            margin-bottom: 40px;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-bg);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--secondary-color);
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 15px;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 20px;
            border-left: 4px solid var(--secondary-color);
            margin: 20px 0;
        }
        .feature-image {
            width: 100%;
            max-width: 800px;
            margin: 30px auto;
            display: block;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .interactive-section {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin: 40px 0;
        }
        .rating-section {
            text-align: center;
            margin: 30px 0;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: var(--secondary-color);
        }
        .comment-form {
            margin-top: 30px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }
        input, textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s;
        }
        .submit-button:hover {
            background-color: #357abd;
        }
        .footer-links {
            background-color: var(--dark-bg);
            padding: 40px 0;
            color: white;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-bottom: 30px;
        }
        .web-link {
            background-color: rgba(255,255,255,0.1);
            padding: 15px;
            border-radius: 4px;
            transition: background-color 0.3s;
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .web-link a {
            color: white;
            text-decoration: none;
        }
        footer {
            background-color: #1a252f;
            color: #aaa;
            padding: 30px 0;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .social-links {
            display: flex;
            gap: 15px;
        }
        .social-links a {
            color: #aaa;
            font-size: 1.2rem;
            transition: color 0.3s;
        }
        .social-links a:hover {
            color: white;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 4px;
                margin-bottom: 10px;
            }
            .search-button {
                border-radius: 4px;
                padding: 12px;
            }
        }