diff --git a/public/static/index/mobile/css/topic_nas_help-detail.css b/public/static/index/mobile/css/topic_nas_help-detail.css
index 19b74c06..16e6ee33 100644
--- a/public/static/index/mobile/css/topic_nas_help-detail.css
+++ b/public/static/index/mobile/css/topic_nas_help-detail.css
@@ -52,7 +52,7 @@
 
 .narshelpCenterdetail-app .nhlpapp-search {
     position: fixed;
-    z-index: 2;
+    z-index: 12;
     top: 0;
     height: 100vh;
     display: flex;