Hi @nsca,
Since it’s belong to customization task, I’m afraid that we cannot assist you any further but here’s something that you can have a look.
1. Please open file templatesja_directoryhtmlcom_k2directoryitem.php and look for this code (around line 140) :
<div class="col event-main col-sm-8 col-md-9">
change it to reduce main body width :
<div class="col event-main col-sm-6">
and look for this line (around line 588) :
<aside class="col t3-sidebar directory-aside col-sm-4 col-md-3">
then adjust it to increase sidebar width :
<aside class="col t3-sidebar directory-aside col-sm-6">
2. In case you want to move the intro and full text around, the declaration for that block begin from line 275 :
<?php if(!empty($this->item->fulltext)): ?>
<?php if($this->item->params->get('itemIntroText')): ?>
and end up at line 293 :
<div class="itemFullText">
<?php echo $this->item->introtext; ?>
</div>
<?php endif; ?>