.narshelpCenterdetail-app .nhlpapp-search

public/static/index/mobile/css/topic_nas_help-detail.css

@@ -25,6 +25,7 @@
     flex-direction: row;
     justify-content: space-between;
     background: #fff;
+    z-index: 10;
 }
 
 .narshelpCenterdetail-app .headtop .logoicoimg {
@@ -51,7 +52,7 @@
 
 .narshelpCenterdetail-app .nhlpapp-search {
     position: fixed;
-    z-index: 2;
+    z-index: 12;
     top: 0;
     height: 100vh;
     display: flex;