hover is a native DOM event which we cannot trigger by JS. So some styles relative to the :hover selector will be broken when replay.

We can use an alternative approach to simulate the hover event with the following steps:

1. record mousemove event target node id in the mousemove observer.
2. add an extra \:hover class name selector to the CSS rules which contains the :hover selector during rebuilding.
3. toggle \:hover class name when applying mousemove event.