Automatic Numbering Issue

The automatic numbering for the outline in the sidebar works properly, but the automatic numbering within the document content keeps incrementing incorrectly.
<img width="1665" height="880" alt="Image" src="https://github.com/user-attachments/assets/efcd9045-1cf0-419d-9583-1d7f6faf253d" />