body { font-family: 'Arial', sans-serif; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px; color: #333; }
        .logo { font-size: 2rem; font-weight: bold; color: #FF9900; text-shadow: 1px 1px 2px #000; margin: 20px 0; }
        nav { background: #FFD700; padding: 10px; display: flex; justify-content: space-between; align-items: center; }
        nav a { color: #333; text-decoration: none; margin: 0 10px; }
        .mobile-menu-btn { display: none; }
        h1 { color: #FF4500; border-bottom: 2px solid #FF9900; padding-bottom: 10px; }
        h2 { color: #FF6347; margin-top: 30px; }
        h3 { color: #FF8C00; }
        .download-btn, .login-btn { background: #4CAF50; color: white; padding: 10px 20px; border: none; border-radius: 5px; margin: 10px 0; cursor: pointer; }
        .download-btn:hover, .login-btn:hover { background: #45a049; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            nav { flex-direction: column; }
            .mobile-menu-btn { display: block; background: #4CAF50; color: white; border: none; padding: 10px; margin-bottom: 10px; }
            .nav-links { display: none; }
            .nav-links.active { display: flex; flex-direction: column; }
        }