更新二维码合集页面，移除导航栏的sticky定位，使导航栏不跟随滑动

qr-collection.html

@@ -45,9 +45,6 @@
       padding: 16px;
       background-color: #28a745;
       color: white;
-      position: sticky;
-      top: 0;
-      z-index: 100;
       margin: -20px -20px 20px;
     }