优化夜郎的疑问和教育史馆精品展加载体验

src/views/boutique/components/jysg/index.vue

@@ -252,14 +252,14 @@ img {
 }
 //common end
 .gysg {
-  background-image: url("@/assets/imgs/boutique/jysg/bg.png");
+  background-image: url("@/assets/imgs/boutique/jysg/bg-low.png");
   background-size: 100% 100%;
   height: 7720px;
   .part1 {
     position: relative;
     height: 1569px;
     width: 100%;
-    background-image: url("@/assets/imgs/boutique/jysg/part1/bg.png");
+    background-image: url("@/assets/imgs/boutique/jysg/part1/bg-low.png");
     background-size: 100% 100%;
     display: flex;
     justify-content: center;
@@ -296,7 +296,7 @@ img {
   .part2 {
     height: 3297px;
     width: 100%;
-    background-image: url("@/assets/imgs/boutique/jysg/part2/bg.png");
+    background-image: url("@/assets/imgs/boutique/jysg/part2/bg-low.png");
     background-size: 100% 100%;
     .hall1 {
       width: 100%;
@@ -531,7 +531,7 @@ img {
 
   .part5 {
     height: 1200px;
-    background-image: url("@/assets/imgs/boutique/jysg/part5/bg.png");
+    background-image: url("@/assets/imgs/boutique/jysg/part5/bg-low.png");
     background-size: 100% 100%;
     margin-top: 140px;
     display: flex;