[问题] - 低版本webview，课程包封面在亮色主题下，背景颜色未同步

[orangelckc]

Describe the bug

低版本webview，课程包封面在亮色主题下，背景颜色未同步

Reproduction

No response

Validations

• [X] Read the Contributing Guidelines.
• [X] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• [X] The provided reproduction is a minimal reproducible example of the bug.

[orangelckc]

补充一下，modal这里也会有同样的问题，主题不会同步

[orangelckc]

找到问题了，是系统主题的冲突导致的，解决方案还没找到

https://github.com/cuixueshe/earthworm/assets/48410934/ca1e5235-e730-4c05-9669-cf544b4789d3

[baboon-king]

看起来是我们暗黑模式的适配问题