测试

css/index.css

@@ -720,7 +720,8 @@
   position: fixed;
   position: fixed;
   z-index: 500;
   z-index: 500;
   bottom: -0.24rem;
   bottom: -0.24rem;
-  left: -0.32rem;
+  left: 50%;
+  margin-left: -5.32rem;
 }
 }
 .bottom-nav-h1 {
 .bottom-nav-h1 {
   font-size: 0.3rem;
   font-size: 0.3rem;

css/index.less

@@ -735,7 +735,8 @@
   position: fixed;
   position: fixed;
   z-index: 500;
   z-index: 500;
   bottom: -0.24rem;
   bottom: -0.24rem;
-  left: -0.32rem;
+  left: 50%;
+  margin-left: -5.32rem;
 }
 }
 .bottom-nav-h1{
 .bottom-nav-h1{
   font-size: 0.3rem;
   font-size: 0.3rem;

download/css/index.css

@@ -65,7 +65,8 @@
   position: absolute;
   position: absolute;
   bottom: 0.2rem;
   bottom: 0.2rem;
   z-index: 5;
   z-index: 5;
-  left: 1.83rem;
+  left: 50%;
+  margin-left: -3.17rem;
 }
 }
 .video-bg {
 .video-bg {
   width: 9.76rem;
   width: 9.76rem;

download/css/index.less

@@ -66,8 +66,10 @@
     position: absolute;
     position: absolute;
     bottom: 0.2rem;
     bottom: 0.2rem;
     z-index: 5;
     z-index: 5;
-    left: 1.83rem;
+    left: 50%;
+    margin-left: -3.17rem;
 }
 }
+
 .video-bg{
 .video-bg{
     width: 9.76rem;
     width: 9.76rem;
     height: 15.13rem;
     height: 15.13rem;