body { font-family: 'Arial', 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: #4CAF50; padding: 10px; margin-bottom: 20px; }
        nav a { color: white; margin: 0 10px; text-decoration: none; }
        .mobile-menu { display: none; }
        h1 { color: #2E7D32; border-bottom: 2px solid #FF9800; padding-bottom: 10px; }
        h2 { color: #388E3C; margin-top: 30px; }
        h3 { color: #43A047; }
        .download-btn, .login-btn { background: #FF9800; color: white; padding: 10px 20px; margin: 15px 0; display: inline-block; text-decoration: none; border-radius: 5px; }
        .feature-img { max-width: 100%; height: auto; margin: 20px 0; }
        footer { margin-top: 50px; padding: 20px; background: #f5f5f5; }
        .tag { background: #E0E0E0; padding: 3px 8px; margin: 5px; display: inline-block; border-radius: 3px; }
        @media (max-width: 768px) {
            .desktop-menu { display: none; }
            .mobile-menu { display: block; background: #4CAF50; color: white; padding: 10px; text-align: center; cursor: pointer; }
        }