* {
            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, #1a2a6c, #b21f1f, #fdbb2d);
            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;
        }
        .search-box {
            display: flex;
            gap: 10px;
        }
        .search-box input {
            padding: 10px;
            border: none;
            border-radius: 5px;
            width: 300px;
        }
        .search-box button {
            padding: 10px 20px;
            background: #ffd700;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
        }
        nav {
            background: #2c3e50;
            margin-top: 1rem;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            justify-content: center;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            color: white;
            text-decoration: none;
            padding: 15px 25px;
            display: block;
            transition: background 0.3s;
        }
        .nav-menu a:hover {
            background: #34495e;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #ecf0f1;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #3498db;
            text-decoration: none;
        }
        .main-content {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
            margin: 2rem 0;
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .article-content h1 {
            color: #2c3e50;
            margin-bottom: 1.5rem;
            font-size: 2.2rem;
            border-bottom: 3px solid #ffd700;
            padding-bottom: 10px;
        }
        .article-content h2 {
            color: #34495e;
            margin: 1.5rem 0 1rem 0;
            font-size: 1.8rem;
        }
        .article-content h3 {
            color: #16a085;
            margin: 1.2rem 0 0.8rem 0;
            font-size: 1.4rem;
        }
        .article-content p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        .highlight {
            background: #fff3cd;
            padding: 15px;
            border-left: 4px solid #ffc107;
            margin: 1rem 0;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .download-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            margin-bottom: 2rem;
        }
        .download-btn {
            display: inline-block;
            background: #ffd700;
            color: #2c3e50;
            padding: 12px 30px;
            text-decoration: none;
            border-radius: 5px;
            font-weight: bold;
            margin-top: 1rem;
            transition: transform 0.3s;
        }
        .download-btn:hover {
            transform: translateY(-2px);
        }
        .comments-section {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            margin: 2rem 0;
        }
        .comment-form {
            display: grid;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            width: 100%;
        }
        .comment-form button {
            padding: 12px 30px;
            background: #3498db;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
        }
        .rating-section {
            text-align: center;
            margin: 2rem 0;
        }
        .stars {
            font-size: 2rem;
            color: #ffd700;
            cursor: pointer;
            margin: 1rem 0;
        }
        .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: #3498db;
            text-decoration: none;
        }
        footer {
            background: #2c3e50;
            color: white;
            text-align: center;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 1rem;
            }
            .search-box input {
                width: 200px;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #2c3e50;
                z-index: 1000;
            }
            .nav-menu.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .main-content {
                grid-template-columns: 1fr;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content, .sidebar, .comments-section {
            animation: fadeIn 0.6s ease-out;
        }
        .interactive-btn {
            transition: all 0.3s ease;
        }
        .interactive-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }