رده:موسسه غدیرستان

<script> function toggleTree(el) {

   var children = el.parentElement.querySelector('.tree-children');
   if (children) {
       if (children.style.display === 'none') {
           children.style.display = 'block';
           el.textContent = '▼';
       } else {
           children.style.display = 'none';
           el.textContent = '▶';
       }
   }

} </script>

<style> .treeview { font-family: sans-serif; margin: 10px 0; } .tree-item { margin: 8px 0; } .tree-toggle { cursor: pointer; color: #0645ad; margin-right: 8px; font-size: 14px; font-weight: bold; } .tree-children { margin-left: 30px; padding-left: 15px; border-left: 2px solid #ccc; } .tree-children li { margin: 5px 0; list-style: none; } .tree-children a { color: #0645ad; text-decoration: none; } .tree-children a:hover { text-decoration: underline; } </style>