How to remove the search output under the cat?

Question

1C-Bitrix

Good day.
There is a site that provides search results in one array, broken down exclusively into categories, like this: It is

required to leave only one sentence in each category (the most rational one), and hide the rest under the link, that is, like this: The

question is probably from the category of children, but even I've been breaking my head for half a day. What piece of code should be inserted into search/index.php to implement this?
Thank you in advance.

Answer 1

So you don’t need to climb into the backend at all, with js, transfer everything that is not the first in each of the sections into separate hidden divs and show it when you click on "Show N more offers"