there is a problem when changing the pc side to the mobile end. The header is fixed and the middle content is loaded dynamically, but copyright information will be added at the bottom of the final page, but when the intermediate content is not enough, the bottom content should still be at the bottom of the app. Instead of fixed positioning, it is best to use css to complete it. For a moment, I didn"t think of how to deal with it, asking for ideas or related articles such as
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