调整底部样式

src/App.vue

@@ -61,6 +61,7 @@ body {
   background-size: 100%;
   background-repeat: no-repeat;
 
+  // 顶部信息
   .topnav {
     width: 100%;
     height: 20%;
@@ -142,11 +143,12 @@ body {
   }
   //底部信息
   .footer {
-    // width: 100%;
-    height: 120vh;
+    width: 100%;
+    height: 120px;
     background-image: url("assets/g_footbg.png");
     background-repeat: no-repeat;
     background-size: 100% 100%;
+    z-index: 999;
     position: absolute;
     bottom: 0;
     left: 0;