position:fixed has failed after using animate, and the positioning benchmark has become an element that uses animate. I probably know that it is because of the stacking context. I have also tried to add display:flex, but without effect. I want to solve this problem while keeping animate. Thank you very much!
add position:fixed to the required frame of the animate element. Such as 100% of the state. Because it seems that animation will change the positioning of the element, but transform will not.
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