Change design of the issue_toc.tpl file

Dears, good morning!

I have a layout to implement and found a barrier in code “issue_toc.tpl”

{foreach name=sections from=$publishedArticles item=section} {if $section.articles}
{if $section.title} {$section.title|escape} {/if}
{foreach from=$section.articles item=article} {include file="frontend/objects/article_summary.tpl"} {/foreach}
{/if} {/foreach}

What I want is for the first session to be separate from the others and I can’t do that, would I have to limit foreach only for the first session and then another foreach for the bottom session? See in the image the idea:

The result of my layout would be this: