* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #2c3e50;
            --secondary-color: #e74c3c;
            --accent-color: #f39c12;
            --text-color: #333;
            --light-bg: #f8f9fa;
            --white: #ffffff;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            color: var(--text-color);
            line-height: 1.6;
            background-color: var(--light-bg);
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        header {
            background-color: var(--primary-color);
            color: var(--white);
            padding: 15px 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--white);
        }
        .logo span {
            color: var(--accent-color);
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 20px;
        }
        nav ul li a {
            padding: 8px 12px;
            border-radius: 4px;
            font-weight: 500;
        }
        nav ul li a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 10px 0;
            background-color: var(--white);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
        }
        .breadcrumb ul li {
            margin-right: 10px;
            font-size: 0.9rem;
        }
        .breadcrumb ul li:not(:last-child)::after {
            content: ">";
            margin-left: 10px;
            color: #999;
        }
        .search-container {
            background-color: var(--white);
            padding: 30px 0;
            margin: 20px 0;
            border-radius: 8px;
            box-shadow: var(--shadow);
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--secondary-color);
            color: var(--white);
            border: none;
            padding: 0 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #c0392b;
        }
        main {
            padding: 30px 0;
        }
        .article-header {
            margin-bottom: 30px;
            text-align: center;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .article-content {
            background-color: var(--white);
            padding: 40px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--secondary-color);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 15px;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 15px;
            border-left: 4px solid var(--accent-color);
            margin: 20px 0;
            border-radius: 0 4px 4px 0;
        }
        .feature-img {
            width: 100%;
            max-width: 800px;
            margin: 20px auto;
            display: block;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .rating-section {
            background-color: var(--white);
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        .rating-form, .comment-form {
            margin-top: 20px;
        }
        .star-rating {
            display: flex;
            margin-bottom: 15px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            margin-right: 5px;
            transition: var(--transition);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--accent-color);
        }
        .form-group {
            margin-bottom: 15px;
        }
        .form-control {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--secondary-color);
            color: var(--white);
            border: none;
            padding: 12px 25px;
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #c0392b;
        }
        .internal-links {
            background-color: var(--primary-color);
            color: var(--white);
            padding: 40px 0;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 15px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        footer {
            background-color: #1a252f;
            color: var(--white);
            padding: 20px 0;
            text-align: center;
        }
        .copyright {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav {
                width: 100%;
                margin-top: 15px;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
            }
            nav ul li {
                margin: 5px 0;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            .article-content {
                padding: 20px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 4px;
                margin-bottom: 10px;
            }
            .search-button {
                border-radius: 4px;
                padding: 12px;
            }
        }