text formatting – Create space AFTER each section in Libreoffice Writer

I want to leave some blank space at the end of each subsection of a document.

 +-----------------------1/2-+     +-----------------------2/2-+
 | 1. SECTION                |     | text text text            |
 | 1.1. SUBSECTION           |     |                           |
 | text text text text text  |     |                           |
 | text text text text text  |     |                           |
 |                           |     |                           |
 | text text text text text  |     | 1.3. SUBSECTION           |
 | text text text text text  |     | text text text text text  |
 |                           |     | text text text            |
 |                           |     |                           |
 |                           |     | text                      |
 |                           |     |                           |
 | 1.2. SUBSECTION           |     |                           |
 | text text text text text  |     |                           |
 | text text text text text  |     |                           |
 +---------------------------+     +---------------------------+

What I tried

Alignment > Intends & Spacing > Spacing Above Paragraph. Using this setting creates the wanted space between subsections. However, it will also add the same space right after 1. SECTION or at the top of a page. Both are unwanted.

Manually adding a “spacing” paragraph after each section. Define a layout type “spacing”, that is inserted after each section. Better than adding newlines manually, but still awkward. Also, it can still go wrong if it ends up as the first paragraph on a page.