2. Set the spacing before the first paragraph to 2 lines, and set the spacing before and after the second paragraph to 1 line and align them in the center.
3. Select the year and month paragraphs of the theme at the same time, and click the center button in the paragraph group.
4. Select the paragraph where the topic of the paper is located, and the left and right indents are set to 4 characters, with a spacing of 0.5 before the paragraph and a multiple of 3.
5. Finally, add an outer border to the theme of the paper. Click Apply and the format will be locked.