It is best not to import, just create a new one in cpc, and then copy and paste it. When copying and pasting, it is best to first create a text document, paste it from word into the text document, and then paste it from the text document into cpc, so as to eliminate the influence of format. When you save the cpc, the format will be automatically modified.
As for the watermark, there is a watermark in your word document, which needs to be removed. Most like the above, copy and paste for editing, and importing files is more prone to problems.