[Bug] Replace with title

### Prerequisites

- [X] I [searched for any existing report](https://github.com/darkreader/darkreader/issues?q=is%3Aissue) about this bug to avoid opening a duplicate.
- [X] I can reproduce this bug in a new, unmodified web browser profile with Dark Reader installed as the only extension.
- [X] I understand I need to use the [Broken Website Report template](https://github.com/darkreader/darkreader/issues/new?assignees=&labels=Broken+Website&template=broken-website-report.yml&title=%5BBroken+Website%5D+Replace+with+title) if this bug I am reporting occurs on a single website.

### Bug Description


### Website Address

https://www.kdocs.cn/

### Steps To Reproduce

打开wps的轻维表即可。
Open the WPS lightweight spreadsheet.

### Expected Behavior

not everywhere is dark mode as the pic shows.

### Actual Behavior

not everywhere is dark mode.

### Screenshots

_No response_

### Operating System

win10

### Web Browser name and version

chrome

### Dark Reader version

the newest

### Additional Context

_No response_