* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            text-decoration: none;
            color: white;
        }
        .logo span {
            color: #ffd700;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-desktop a:hover {
            color: #ffd700;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #764ba2;
            padding: 1rem;
            margin-top: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background: #f1f3f4;
            padding: 0.5rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #667eea;
            text-decoration: none;
        }
        .search-section {
            background: white;
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #667eea;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-btn {
            background: #667eea;
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #5a6fd8;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 968px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .article-header {
            margin-bottom: 2rem;
        }
        .article-title {
            font-size: 2.2rem;
            color: #333;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .article-meta {
            display: flex;
            gap: 1rem;
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .article-image {
            width: 100%;
            height: 400px;
            background: #e9ecef;
            border-radius: 8px;
            margin: 2rem 0;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .content-section {
            margin-bottom: 2rem;
        }
        .content-section h2 {
            color: #667eea;
            margin-bottom: 1rem;
            font-size: 1.8rem;
        }
        .content-section h3 {
            color: #555;
            margin: 1.5rem 0 1rem 0;
            font-size: 1.4rem;
        }
        .content-section p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        .highlight {
            background: #fff3cd;
            padding: 1rem;
            border-left: 4px solid #ffc107;
            margin: 1.5rem 0;
            border-radius: 0 4px 4px 0;
        }
        .tip-box {
            background: #d1ecf1;
            padding: 1rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            border-left: 4px solid #0dcaf0;
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-title {
            font-size: 1.3rem;
            color: #667eea;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f1f3f4;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid #f1f3f4;
        }
        .related-links a {
            color: #333;
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            align-items: center;
        }
        .related-links a:hover {
            color: #667eea;
        }
        .related-links i {
            margin-right: 0.5rem;
            color: #667eea;
        }
        .rating-section {
            background: white;
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            text-align: center;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .rating-form {
            max-width: 500px;
            margin: 0 auto;
        }
        .rating-btn {
            background: #667eea;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .rating-btn:hover {
            background: #5a6fd8;
        }
        .comments-section {
            background: white;
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .comment-form {
            margin-bottom: 2rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-input {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: #667eea;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: #5a6fd8;
        }
        .comment {
            padding: 1.5rem;
            border: 1px solid #f1f3f4;
            border-radius: 8px;
            margin-bottom: 1.5rem;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
        }
        .comment-author {
            font-weight: bold;
            color: #667eea;
        }
        .comment-date {
            color: #666;
            font-size: 0.9rem;
        }
        .footer-links {
            background: #2c3e50;
            padding: 3rem 0;
            color: white;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 768px) {
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        .web-link {
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .web-link:hover {
            background: rgba(255,255,255,0.2);
        }
        .web-link a {
            color: white;
            text-decoration: none;
        }
        footer {
            background: #1a252f;
            color: white;
            text-align: center;
            padding: 2rem 0;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .footer-content {
                flex-direction: column;
                gap: 1rem;
            }
        }
        .social-links {
            display: flex;
            gap: 1rem;
        }
        .social-links a {
            color: white;
            font-size: 1.2rem;
            transition: color 0.3s;
        }
        .social-links a:hover {
            color: #667eea;
        }