修改ipad样式

src/components/study.vue

@@ -3639,11 +3639,12 @@ export default {
   .courseIndex {
     width: 43% !important;
   }
-  .courseIndex > div:first-child {
-    width: 600px !important;
+  .courseIndex > div:first-child(2) {
+    width: 50px !important;
   }
   .pb_left{
     position: unset !important;
+    height: auto !important;
   }
   .body_student{
     position: unset !important;
@@ -3652,6 +3653,9 @@ export default {
   .btnAll{
     width: 55% !important;
   }
+  .taskBox{
+    width: 550px !important;
+  }
 }
 .body_student {
   width: 77%;