#100 008

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
  $('.header-nav-folder-title').on('click', function(e) {
    e.preventDefault();
    
    const firstItemLink = $(this)
      .siblings('.header-nav-folder-content')
      .find('.header-nav-folder-item:first-child a');
    
    if (firstItemLink.length > 0) {
      window.location.href = firstItemLink.attr('href');
    }
  });
});
</script>