It is best not to import, create a new one in cpc, and then copy and paste it. When copying and pasting, it is best to create a text document first, paste it from word into the text document, and then paste from the text document into cpc, like this Format effects can be eliminated. The format will be automatically modified when cpc is saved.
As for the watermark issue, your word document contains a watermark and needs to be removed. It is best to copy and paste to edit as mentioned above. Importing files is more likely to cause problems.