diff --git a/src/components/CommentSection.vue b/src/components/CommentSection.vue
index 0929ba4..637bb2c 100644
--- a/src/components/CommentSection.vue
+++ b/src/components/CommentSection.vue
@@ -391,7 +391,7 @@ onMounted(() => {
   color: var(--ac-primary-ink);
 }
 
-.comment-ref-tag {
+:deep(.comment-ref-tag) {
   display: inline-block;
   padding: 0 6px;
   margin-right: 4px;