style(teacher): 移除studentPage.vue中scoped样式限制

@@ -2,7 +2,7 @@
  * @Author: hookehuyr hookehuyr@gmail.com
  * @Date: 2025-06-19 17:12:19
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-06-26 11:22:56
+ * @LastEditTime: 2025-06-26 11:46:50
  * @FilePath: /mlaj/src/views/teacher/studentPage.vue
  * @Description: 学生详情页面
 -->
@@ -993,7 +993,7 @@ const formatData = (data) => {
 }
 </script>
 
-<style lang="less" scoped>
+<style lang="less">
 .van-back-top {
   background-color: #4caf50;
 }