2.头部层级压住了遮罩

3.pc头部太宽了

src/styles/index.scss

@@ -16,18 +16,22 @@ html {
       margin: 0 auto;
       overflow: hidden;
       width: 100%;
+      .header{
+        max-width: 420px!important;
+        left:calc(50% - 210px)!important;
+      }
     }
+
   }
 
   .AI-Design-container {
     position: relative;
-
     .header {
       position: fixed;
       top: 0;
       left: 0;
       width: 100%;
-      z-index: 9999999;
+      z-index: 99;
     }
 
     .header+div {