* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1a365d;
            --secondary-color: #e53e3e;
            --accent-color: #dd6b20;
            --text-dark: #2d3748;
            --text-light: #f7fafc;
            --bg-light: #edf2f7;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: #f9f9f9;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2d3748 100%);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            text-decoration: none;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .logo:hover {
            color: var(--accent-color);
            transform: scale(1.02);
            transition: var(--transition);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--primary-color);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-top: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: var(--text-light);
            text-decoration: none;
            padding: 0.75rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background-color: var(--bg-light);
            padding: 0.75rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-container {
            max-width: 800px;
            margin: 2rem auto;
            padding: 0 20px;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #e2e8f0;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background-color: #2d3748;
            transform: translateY(-2px);
        }
        main {
            padding: 2rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .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;
            gap: 2rem;
            color: #718096;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .content-section {
            background-color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        h2 {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent-color);
        }
        h3 {
            color: var(--secondary-color);
            font-size: 1.4rem;
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffaf0;
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip-box {
            background-color: #ebf8ff;
            border: 1px solid #4299e1;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
        }
        .tip-box i {
            color: #4299e1;
            margin-right: 10px;
        }
        .rating-section {
            background-color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1rem 0;
            cursor: pointer;
        }
        .star {
            font-size: 2rem;
            color: #e2e8f0;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #f6ad55;
        }
        .rating-form {
            max-width: 500px;
            margin: 0 auto;
        }
        .rating-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            margin-top: 1rem;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: #2d3748;
            transform: translateY(-2px);
        }
        .comments-section {
            background-color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .comment-form {
            margin-bottom: 2rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e2e8f0;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            min-height: 120px;
            margin-bottom: 1rem;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
        }
        .comment-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #2d3748;
            transform: translateY(-2px);
        }
        .footer-links {
            background-color: var(--bg-light);
            padding: 3rem 0;
        }
        .web-link {
            background-color: white;
            padding: 1rem;
            margin-bottom: 1rem;
            border-radius: var(--border-radius);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        .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(--text-light);
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: var(--text-light);
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        .footer-links-list {
            list-style: none;
        }
        .footer-links-list li {
            margin-bottom: 0.75rem;
        }
        .footer-links-list a {
            color: #cbd5e0;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links-list a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .content-section {
                padding: 1.5rem;
            }
            .footer-content {
                flex-direction: column;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.5s ease-out;
        }
        @media print {
            .no-print {
                display: none;
            }
            body {
                color: black;
                background: white;
            }
            .content-section {
                box-shadow: none;
                border: 1px solid #ddd;
            }
        }