章节样式优化

src/pages/courseResourcesChapterList.vue

@@ -273,6 +273,12 @@ import { user } from "@/store/user.js";
     color: #ffffff;
     background-color: #01a3ff;
   }
+  .el-collapse-item__header {
+    margin-bottom: 10px;
+  }
+  .el-collapse{
+    border: 0px;
+  }
 }
 
 </style>