body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 2.5em; font-weight: bold; color: #FF6B35; margin: 20px 0; text-align: center; }
        nav { background: #003366; padding: 15px; display: flex; justify-content: space-between; }
        nav a { color: white; text-decoration: none; margin: 0 10px; }
        .mobile-menu { display: none; background: #003366; color: white; padding: 10px; text-align: center; cursor: pointer; }
        h1 { color: #003366; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #FF6B35; margin-top: 30px; }
        h3 { color: #0066CC; }
        .download-btn { background: #4CAF50; color: white; padding: 12px 25px; text-align: center; display: inline-block; margin: 20px 0; border-radius: 5px; }
        .login-btn { background: #2196F3; color: white; padding: 12px 25px; text-align: center; display: inline-block; margin: 20px 10px; border-radius: 5px; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .gallery { display: flex; justify-content: space-between; flex-wrap: wrap; }
        .gallery img { width: 48%; }
        footer { background: #003366; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            nav { flex-direction: column; }
            .mobile-menu { display: block; }
            nav .desktop-links { display: none; }
            .gallery img { width: 100%; }
        }