Customizing Blog by Categories

Hello, I am newbie to wordpress and I use the Adonis theme (free) to create and modify my posts and / or pages I use Elementor I created a menu with the name of a category as a link (Radio) (I am HamRadio) I would like to modify the page that is displayed following this category (widgets.php) obviously this is not possible with elementor is there a possibility to easily modify this page to create a more relevant layout ? My site test is here : https://f6flu.crx.cloud/blog/?cat=9 my first full page (created with Elementor) is here : https://f6flu.crx.cloud/blog/?p=1848 thank you in advance if you could advise me sorry for my poor English