* {
            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, #1a1a2e 0%, #16213e 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            color: #ffd700;
            text-decoration: none;
        }
        .logo:hover {
            color: #ffed4a;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        .nav-desktop a:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .nav-mobile {
            display: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background: white;
            margin: 3px 0;
            transition: 0.3s;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 1rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #6c757d;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #495057;
        }
        .search-container {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        .search-form {
            display: flex;
            gap: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #e9ecef;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-btn {
            background: #007bff;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .search-btn:hover {
            background: #0056b3;
        }
        .main-content {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
            margin-bottom: 3rem;
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .article-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        h1 {
            color: #1a1a2e;
            margin-bottom: 1.5rem;
            font-size: 2.5rem;
        }
        h2 {
            color: #16213e;
            margin: 2rem 0 1rem 0;
            font-size: 1.8rem;
        }
        h3 {
            color: #0f3460;
            margin: 1.5rem 0 1rem 0;
            font-size: 1.4rem;
        }
        p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        .highlight {
            background: #fff3cd;
            padding: 1rem;
            border-left: 4px solid #ffc107;
            margin: 1.5rem 0;
        }
        .download-section {
            background: #d4edda;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .download-btn {
            display: inline-block;
            background: #28a745;
            color: white;
            padding: 1rem 2rem;
            text-decoration: none;
            border-radius: 5px;
            margin-top: 1rem;
            transition: background-color 0.3s;
        }
        .download-btn:hover {
            background: #218838;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .rating-section {
            text-align: center;
            margin-bottom: 2rem;
        }
        .stars {
            color: #ffc107;
            font-size: 1.5rem;
            margin: 1rem 0;
        }
        .rating-btn {
            background: #17a2b8;
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            cursor: pointer;
            margin: 0.5rem;
        }
        .comments-section {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .comment-input {
            padding: 1rem;
            border: 2px solid #e9ecef;
            border-radius: 5px;
            font-size: 1rem;
        }
        .comment-submit {
            background: #6c757d;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            align-self: flex-start;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin: 2rem 0;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: 5px;
            box-shadow: 0 1px 5px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: #007bff;
            text-decoration: none;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        .footer {
            background: #1a1a2e;
            color: white;
            text-align: center;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .main-content {
                grid-template-columns: 1fr;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            .search-form {
                flex-direction: column;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-in;
        }
        .interactive:hover {
            transform: translateY(-2px);
            transition: transform 0.3s ease;
        }