body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; background-color: #f5f0ff; }
        .mobile-nav { display: none; background: #4b0082; color: white; padding: 10px; text-align: center; cursor: pointer; }
        nav { background: #4b0082; padding: 15px; margin-bottom: 30px; }
        nav ul { list-style: none; padding: 0; margin: 0; display: flex; justify-content: space-around; }
        nav a { color: white; text-decoration: none; font-weight: bold; font-size: 18px; }
        h1 { color: #4b0082; text-align: center; border-bottom: 3px solid #ff6b6b; padding-bottom: 10px; }
        h2 { color: #2c3e50; margin-top: 40px; }
        h3 { color: #34495e; }
        .download-btn, .login-btn { display: block; width: 200px; margin: 20px auto; padding: 15px; text-align: center; background: #ff6b6b; color: white; border-radius: 30px; text-decoration: none; font-weight: bold; }
        .img-container { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; border-radius: 10px; }
        .tag { background: #e0f7fa; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 20px; }
        footer { margin-top: 50px; padding: 20px; background: #2c3e50; color: white; text-align: center; }
        @media (max-width: 768px) {
            nav ul { flex-direction: column; align-items: center; }
            .mobile-nav { display: block; }
            nav { display: none; }
            .nav-active { display: block; }
        }