Dark mode sample it is not working

[ariannargesi]

Version of antd-mobile

5.32.1

Operating system and its version

Others

Browser and its version

No response

Sandbox to reproduce

https://codesandbox.io/s/nc7phs?file=/package.json&resolutionWidth=375&resolutionHeight=700

What happened?

I want to add dark mode to a website, but things didn't work well.
I checked the documentation and went to sand box linked to this page https://mobile.ant.design/guide/dark-mode) and noticed it is also broken there

Relevant log output

No response