body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .mobile-nav { display: none; background: #ff6b35; color: white; padding: 10px; text-align: center; cursor: pointer; }
        nav { background: #ff6b35; padding: 15px 0; display: flex; justify-content: space-around; }
        nav a { color: white; text-decoration: none; font-weight: bold; }
        h1 { color: #ff6b35; text-align: center; }
        h2, h3 { color: #e84a5f; }
        .download-btn, .login-btn { background: #2a363b; color: white; padding: 10px 20px; text-decoration: none; display: inline-block; margin: 10px 0; border-radius: 5px; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        footer { background: #2a363b; color: white; text-align: center; padding: 20px; margin-top: 30px; }
        @media (max-width: 768px) {
            nav { flex-direction: column; display: none; }
            .mobile-nav { display: block; }
            .nav-active { display: flex; }
        }