调整部分样式单位

src/App.vue

@@ -93,7 +93,7 @@ body {
   // 顶部信息
   .topnav {
     width: 100%;
-    height: 14%;
+    height: 14vh;
     background-image: url("assets/index/topnav.png");
     background-size: 100% 100%;
     background-repeat: no-repeat;
@@ -107,7 +107,7 @@ body {
       .topImg {
         margin-top: 0.6%;
         width: 24%;
-        height: 12%;
+        height: 3vh;
         margin-left: auto;
         margin-right: auto;
       }
@@ -174,7 +174,7 @@ body {
   //底部信息
   .footer {
     width: 100%;
-    height: 60px;
+    height: 12vh;
     background-image: url("assets/g_footbg.png");
     background-repeat: no-repeat;
     background-size: 100% 100%;