fix bug

assets/css/main.css

@@ -76,7 +76,7 @@ main {
 /* Table of Contents */
 
 .toc {
-    /* cursor: zoom-in; */
+    cursor: zoom-in;
     display: block;
     
     margin-top: 1em;
@@ -90,10 +90,10 @@ main {
     font-size: 14px;
     font-weight: bold;
 }
-/* 
+
 .toc.expanded {
     cursor: zoom-out;
-} */
+}
 
 .toc .inner {
     margin: 0px;

layouts/partials/toc.html

@@ -5,8 +5,9 @@
 </details>
 {{ end }}
 
-<!-- <script>
+<script>
   document.querySelector(".toc").addEventListener("click", function () {
+    if (event.target.tagName !== "A") {
       event.preventDefault();
       if (this.open) {
         this.open = false;
@@ -15,5 +16,6 @@
         this.open = true;
         this.classList.add("expanded");
       }
+    }
   });
-</script> -->
+</script>