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: #FF5722; text-align: center; margin: 20px 0; }
        nav { background: #FF9800; padding: 10px; display: flex; justify-content: space-around; }
        nav a { color: white; text-decoration: none; }
        .mobile-nav { display: none; }
        h1 { color: #E91E63; border-bottom: 2px solid #FFC107; padding-bottom: 10px; }
        h2 { color: #4CAF50; margin-top: 30px; }
        h3 { color: #2196F3; }
        .download-btn { background: #4CAF50; color: white; padding: 12px 25px; text-align: center; margin: 20px 0; display: inline-block; border-radius: 5px; }
        .login-btn { background: #2196F3; color: white; padding: 12px 25px; text-align: center; margin: 20px 0; display: inline-block; border-radius: 5px; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .highlight { background: #FFF8E1; padding: 15px; border-left: 4px solid #FFC107; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            nav { flex-direction: column; display: none; }
            .mobile-nav { display: block; text-align: center; background: #FF9800; color: white; padding: 10px; cursor: pointer; }
            .show { display: flex; }
        }