To anchor link an element to another element on the same page, without using ID you can use Name attribute.
give your section a name attribute, name="section-i-want-to-link" then for your link use href="#section-i-want-to-link"see:https://www.tagindex.net/html/link/a_name.html
How to create a name data attribute using oxygen builder https://oxygenbuilder.com/documen.../code/custom-attributes/