Why does the layout effect of the same mobile phone open on the official account and Safari be different?

as shown in figure
this is the Safari layout, and the page is normal:

clipboard.png

:

clipboard.png

"..."""

clipboard.png

Css
Mar.23,2021

first of all, I haven't encountered it. I use rem + vh on my mobile phone. And viewport should pay attention to

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e84c2b-d04.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e84c2b-d04.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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