style: 演示功能引导页加载样式修改

src/pages/bootpage/demonstration/index.less

@@ -24,7 +24,7 @@
     justify-content: center;
     top: 0;
     left: 0;
-    z-index: 110;
+    z-index: 1080;
     background-color: rgba(255, 255, 255, 0.8);
 
   }
@@ -258,7 +258,7 @@
 }
 
 .loader {
-  animation: rotate 2s infinite;
+  animation: rotate 1s infinite;
   height: 50px;
   width: 50px;
 }
@@ -273,14 +273,14 @@
 }
 
 .loader:before {
-  animation: ball1 2s infinite;
+  animation: ball1 1s infinite;
   background-color: #fff;
   box-shadow: 30px 0 0 #1685FF;
   margin-bottom: 10px;
 }
 
 .loader:after {
-  animation: ball2 2s infinite;
+  animation: ball2 1s infinite;
   background-color: #1685FF;
   box-shadow: 30px 0 0 #fff;
 }