feat(教师端): 更新任务主页样式和资源路径

- 调整进度条宽度和勾选图标尺寸
- 更新勾选图标资源路径并添加新图片资源
- 为详情区域添加左侧边框和内边距

 <!--
  * @Date: 2025-11-19 21:00:00
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-11-19 22:10:07
+ * @LastEditTime: 2025-11-20 11:31:17
  * @FilePath: /mlaj/src/views/teacher/taskHomePage.vue
  * @Description: 教师端作业主页（头部介绍、统计、日历与学生完成情况；数据Mock）
 -->
@@ -32,7 +32,7 @@
                     <div class="text-center">
                         <div class="relative w-16 h-16 mx-auto mb-2">
                             <van-circle v-model:current-rate="checkin_count" :rate="checkin_count" :text="checkin_text"
-                                stroke-width="70" color="#10b981" size="64" layer-color="#eee" />
+                                stroke-width="100" color="#10b981" size="64" layer-color="#eee" />
                         </div>
                         <div class="text-sm text-gray-600">出勤率</div>
                     </div>
@@ -42,7 +42,7 @@
                     <div class="text-center">
                         <div class="relative w-16 h-16 mx-auto mb-2">
                             <van-circle v-model:current-rate="upload_count" :rate="upload_count" :text="upload_text"
-                                stroke-width="70" color="#3b82f6" size="64" layer-color="#eee" />
+                                stroke-width="100" color="#3b82f6" size="64" layer-color="#eee" />
                         </div>
                         <div class="text-sm text-gray-600">任务完成</div>
                     </div>
@@ -82,7 +82,7 @@ import { ref, computed } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { useTitle } from '@vueuse/core'
 import TaskCalendar from '@/components/ui/TaskCalendar.vue'
-import checkCorner from '@/assets/check_corner.svg'
+import checkCorner from '@/assets/images/dui.png'
 
 const $route = useRoute()
 const $router = useRouter()
@@ -224,6 +224,8 @@ function go_student_record(stu) {
         }
 
         .details {
+            border-left: 0.15rem solid #10b981;
+            padding-left: 0.75rem;
             .detailItem {
                 margin-bottom: 0.25rem;
             }
@@ -250,8 +252,8 @@ function go_student_record(stu) {
             position: absolute;
             top: -1px;
             right: -1px;
-            width: 28px;
-            height: 28px;
+            width: 18px;
+            height: 18px;
         }
     }
 }