Why does my submenu disappear when I hover on my website?

[LongLe]

My main header item is still visible when I hover, but when I move to the submenu, it disappears. Can anyone help me fix it? Thank you

 my website https://sahudemo1.myshopify.com/en

[StoreWatchers]

@LongLe 
Greetings from the Store Watchers Support Team! Happy to help you today.

Your store is password protected, can you please share the password?

Let me know if need further assistance.
Regards,
Store Watchers Support Team

[LongLe]

oh,  the web's password:sahudemo123456