* {
            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, #1a237e 0%, #283593 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            text-decoration: none;
            color: white;
        }
        .logo span {
            color: #ffd600;
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        .desktop-nav a:hover {
            color: #ffd600;
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-nav-toggle {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #1a237e;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 1000;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            padding: 1rem 2rem;
            border-bottom: 1px solid #283593;
            transition: background 0.3s;
        }
        .mobile-nav a:hover {
            background: #283593;
        }
        .breadcrumb {
            background: #e3f2fd;
            padding: 1rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #1a237e;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-section {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        .search-form {
            display: flex;
            gap: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-btn {
            background: #1a237e;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #283593;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .article-content h1 {
            color: #1a237e;
            margin-bottom: 1rem;
            font-size: 2.5rem;
        }
        .article-content h2 {
            color: #283593;
            margin: 2rem 0 1rem 0;
            font-size: 1.8rem;
        }
        .article-content h3 {
            color: #3949ab;
            margin: 1.5rem 0 1rem 0;
            font-size: 1.4rem;
        }
        .article-content p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        .highlight {
            background: #fff9c4;
            padding: 1rem;
            border-left: 4px solid #ffd600;
            margin: 1rem 0;
        }
        .feature-image {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 1rem 0;
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: #1a237e;
            margin-bottom: 1rem;
            border-bottom: 2px solid #ffd600;
            padding-bottom: 0.5rem;
        }
        .rating-system {
            background: #f5f5f5;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            color: #ddd;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.3s;
        }
        .star:hover,
        .star.active {
            color: #ffd600;
        }
        .rating-form {
            margin-top: 1rem;
        }
        .rating-btn {
            background: #1a237e;
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            cursor: pointer;
        }
        .comments-section {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin: 2rem 0;
        }
        .comment-form {
            display: grid;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-input {
            padding: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 100px;
            resize: vertical;
        }
        .submit-btn {
            background: #1a237e;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: #283593;
        }
        .web-links {
            background: #e3f2fd;
            padding: 2rem 0;
            margin-top: 2rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: 5px;
            text-align: center;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: #1a237e;
            text-decoration: none;
            font-weight: 500;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background: #1a237e;
            color: white;
            text-align: center;
            padding: 2rem 0;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        @media (max-width: 768px) {
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
        }
        .social-links {
            display: flex;
            gap: 1rem;
        }
        .social-links a {
            color: white;
            font-size: 1.5rem;
            transition: color 0.3s;
        }
        .social-links a:hover {
            color: #ffd600;
        }
        .text-center {
            text-align: center;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.5rem;
        }