To assist you in the best possible manner, I kindly ask that you please provide me temporary wp-admin info (wp-admin URL, username, password) to the Private Content area, this will allow me to thoroughly investigate and address your concerns more efficiently.
It comes from menufication plugin https://prnt.sc/R3VM3mBO8k0T Please add the below Custom CSS code to Theme Settings > Custom CSS > Custom CSS for Mobile section:
You should deactivate all plugins (except Required Plugins) and then reactivate them one by one. This makes it very easy to isolate the plugin causing problems.