Version of antd-mobile

5.35.0

Operating system and its version

Android

Browser and its version

Edg/124.0.0.0

Sandbox to reproduce

https://codesandbox.io/p/sandbox/dropdown-n9q72c?file=%2Fsrc%2FApp.js%3A36%2C33

What happened?

Dropdown在滚动容器内，展开后再滚动时，标题跟随滚动，但面板固定，导致标题和面板分离。

Relevant log output

No response