* {
            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;
        }
        header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo:hover {
            color: #ffd700;
            transform: scale(1.05);
            transition: all 0.3s ease;
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .nav-link {
            color: white;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .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;
            background: #2a5298;
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 1000;
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav .nav-link {
            display: block;
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb a {
            color: #6c757d;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #495057;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        @media (max-width: 1024px) {
            .container {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .search-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 2rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            text-align: center;
            color: white;
        }
        .search-form {
            display: flex;
            max-width: 500px;
            margin: 1rem auto 0;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: none;
            border-radius: 25px 0 0 25px;
            font-size: 1rem;
        }
        .search-btn {
            background: #ff6b6b;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 0 25px 25px 0;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-btn:hover {
            background: #ff5252;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .article-header h1 {
            font-size: 2.5rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.9rem;
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 1rem;
        }
        .featured-image {
            width: 100%;
            height: 400px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 10px;
            margin: 2rem 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .content-section h2 {
            color: #2c3e50;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #3498db;
            display: inline-block;
        }
        .content-section p {
            margin-bottom: 1rem;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight-box {
            background: #e8f4fc;
            border-left: 4px solid #3498db;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 5px 5px 0;
        }
        .tip-box {
            background: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 5px 5px 0;
        }
        .rating-section {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            text-align: center;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .rating-form {
            max-width: 500px;
            margin: 0 auto;
        }
        .form-group {
            margin-bottom: 1rem;
            text-align: left;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: bold;
        }
        .form-control {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        .submit-btn {
            background: #28a745;
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 25px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s ease;
        }
        .submit-btn:hover {
            background: #218838;
        }
        .comments-section {
            margin-top: 3rem;
        }
        .comment {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1rem;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            border-left: 4px solid #3498db;
        }
        .comment-header {
            display: flex;
            justify-content: between;
            align-items: center;
            margin-bottom: 1rem;
        }
        .comment-author {
            font-weight: bold;
            color: #2c3e50;
        }
        .comment-date {
            color: #6c757d;
            font-size: 0.9rem;
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            height: fit-content;
            position: sticky;
            top: 20px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: #2c3e50;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e9ecef;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.5rem;
        }
        .related-links a {
            color: #495057;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0.5rem;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .related-links a:hover {
            background: #e9ecef;
            color: #007bff;
            transform: translateX(5px);
        }
        .web-links {
            background: #2c3e50;
            padding: 2rem 0;
        }
        .web-links-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
        }
        .web-link {
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            border-radius: 5px;
            text-align: center;
        }
        .web-link a {
            color: white;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .web-link a:hover {
            color: #ffd700;
        }
        footer {
            background: #1a252f;
            color: white;
            text-align: center;
            padding: 2rem 0;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 2rem;
            }
            .container {
                padding: 0 15px;
            }
            .main-content {
                padding: 1rem;
            }
            .featured-image {
                height: 250px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 25px;
                margin-bottom: 10px;
            }
            .search-btn {
                border-radius: 25px;
            }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-in;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .hover-lift {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .hover-lift:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }