* {
            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 {
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        header {
            background-color: var(--primary-color);
            color: var(--white);
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            color: var(--white);
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: bold;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: var(--accent-color);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
        }
        .desktop-nav li {
            margin-left: 1.5rem;
        }
        .desktop-nav a {
            color: var(--white);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a:hover {
            color: var(--accent-color);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary-color);
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            padding: 1rem 0;
        }
        .mobile-nav li {
            margin: 0;
        }
        .mobile-nav a {
            display: block;
            color: var(--white);
            text-decoration: none;
            padding: 0.75rem 1.5rem;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent-color);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: var(--white);
            margin-bottom: 1rem;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 0.5rem;
            color: #666;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
        }
        .article-header {
            margin-bottom: 2rem;
            text-align: center;
        }
        .article-header h1 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: #666;
            font-size: 0.9rem;
        }
        .article-meta i {
            margin-right: 0.5rem;
            color: var(--accent-color);
        }
        .content-section {
            background-color: var(--white);
            border-radius: 8px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .content-section h2 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .content-section h3 {
            color: var(--secondary-color);
            margin: 1.5rem 0 1rem;
        }
        .content-section p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        .content-section ul, .content-section ol {
            margin-bottom: 1rem;
            padding-left: 1.5rem;
        }
        .content-section li {
            margin-bottom: 0.5rem;
        }
        .highlight {
            background-color: rgba(243, 156, 18, 0.1);
            border-left: 4px solid var(--accent-color);
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 4px 4px 0;
        }
        .feature-image {
            width: 100%;
            margin: 1.5rem 0;
            text-align: center;
        }
        .feature-image img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .image-caption {
            margin-top: 0.5rem;
            font-style: italic;
            color: #666;
            font-size: 0.9rem;
        }
        .search-section {
            background-color: var(--white);
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 2px solid #ddd;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--accent-color);
        }
        .search-button {
            background-color: var(--accent-color);
            color: var(--white);
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
            font-weight: bold;
        }
        .search-button:hover {
            background-color: #e67e22;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .comment-section, .rating-section {
            background-color: var(--white);
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 2px rgba(243, 156, 18, 0.2);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--secondary-color);
            color: var(--white);
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: bold;
            align-self: flex-start;
        }
        .submit-button:hover {
            background-color: #c0392b;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            margin-bottom: 1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
            margin-right: 0.25rem;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--accent-color);
        }
        .footer-links {
            background-color: var(--white);
            padding: 2rem 0;
            margin-bottom: 2rem;
        }
        .footer-links-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        .web-link {
            padding: 0.75rem 1rem;
            background-color: var(--light-bg);
            border-radius: 4px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: #e9ecef;
            transform: translateY(-2px);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            display: block;
        }
        .web-link a:hover {
            color: var(--secondary-color);
        }
        footer {
            background-color: var(--primary-color);
            color: var(--white);
            padding: 2rem 0;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .copyright {
            margin-top: 1rem;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }
        .social-links a {
            color: var(--white);
            font-size: 1.25rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--accent-color);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            .footer-links-container {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .article-header h1 {
                font-size: 1.75rem;
            }
            .content-section {
                padding: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 4px;
                margin-bottom: 0.5rem;
            }
            .search-button {
                border-radius: 4px;
                padding: 0.75rem;
            }
        }