Take the third page without a header (or a different header) as an example. How to operate:
1, the cursor is positioned in front of the third page, and the page layout-separator-continuous section break;
2. Enter the header on the third page, and click "Same as the previous section" on the header and footer toolbar to disconnect two sections;
3. The cursor is positioned in front of the fourth page, and the page layout-separator-continuous section break;
4. Enter the header on the third page, and click "Same as above" on the header and footer toolbar;
5. Edit the third header and other headers separately. (Each paragraph can be set once. )