body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 28px; font-weight: bold; color: #FF9800; text-shadow: 1px 1px 2px #000; }
        nav { background: #1A237E; padding: 15px; margin-bottom: 20px; }
        nav a { color: white; margin: 0 10px; text-decoration: none; }
        .mobile-menu { display: none; background: #1A237E; color: white; padding: 10px; text-align: center; cursor: pointer; }
        h1 { color: #1A237E; border-bottom: 2px solid #FF9800; padding-bottom: 10px; }
        h2 { color: #FF9800; margin-top: 30px; }
        h3 { color: #1A237E; margin-top: 25px; }
        .btn { display: inline-block; padding: 10px 20px; background: #FF9800; color: white; border-radius: 5px; margin: 10px 0; text-decoration: none; }
        .gallery { display: flex; flex-wrap: wrap; gap: 15px; margin: 20px 0; }
        .gallery img { width: 100%; max-width: 300px; height: auto; border: 2px solid #ddd; }
        table { width: 100%; border-collapse: collapse; margin: 20px 0; }
        table, th, td { border: 1px solid #ddd; }
        th, td { padding: 12px; text-align: left; }
        th { background-color: #1A237E; color: white; }
        tr:nth-child(even) { background-color: #f2f2f2; }
        @media (max-width: 768px) {
            nav { display: none; }
            .mobile-menu { display: block; }
            .nav-active { display: block; }
            .gallery img { max-width: 100%; }
        }