箭头fixed 隐藏

@@ -23,6 +23,10 @@ $pxConvertRem : 40;
             position: fixed;
             position: fixed;
             left: 0;
             left: 0;
             right: 0;
             right: 0;
+
+            .thumb.focus .arrow {
+                display: none;
+            }
         }
         }
 
 
 
 
@@ -44,6 +48,7 @@ $pxConvertRem : 40;
                 }
                 }
 
 
                 .arrow {
                 .arrow {
+                    display: block;
                     position: absolute;
                     position: absolute;
                     width: 32rem / $pxConvertRem;
                     width: 32rem / $pxConvertRem;
                     height: 19rem / $pxConvertRem;
                     height: 19rem / $pxConvertRem;