Top menu jumps to top on click

I’ve made a web which the Navbar is fixed on the top, everything looks fine, but when I check the web on my phone:
1: scroll down the page
2: Click the menu button on the Navbar
3:close the Navbar

Then the page will jumps to the top, this issue only happens on the phone.
and I have checked, apple has the same issue on their website. please use the phone to open this link:

and try to do the flow above.

PS: I did the research, and I found this code:
Don’t know if it helps because I don’t know how to make it right for Webflow.

Anyone could help me to fix this problem ?

Thank you very much

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