body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background-color: #FF9933; color: white; padding: 15px; text-align: center; font-size: 24px; font-weight: bold; }
        nav { background-color: #138808; display: flex; justify-content: space-between; padding: 10px; }
        nav a { color: white; text-decoration: none; margin: 0 10px; }
        .mobile-nav-toggle { display: none; background: #FF9933; color: white; border: none; padding: 10px; }
        h1 { color: #FF9933; font-size: 32px; margin-bottom: 20px; }
        h2 { color: #138808; font-size: 24px; margin-top: 30px; }
        h3 { color: #87CEFA; font-size: 20px; margin-top: 25px; }
        .download-btn, .login-btn { display: inline-block; background-color: #FF9933; color: white; padding: 12px 25px; margin: 15px 0; text-decoration: none; border-radius: 5px; font-weight: bold; }
        .download-btn:hover, .login-btn:hover { background-color: #138808; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        footer { background-color: #333; color: white; text-align: center; padding: 20px; margin-top: 30px; }
        @media (max-width: 768px) {
            nav { flex-direction: column; }
            .mobile-nav-toggle { display: block; }
            nav.hidden { display: none; }
        }