fix: 修复添加学员启用开关布局

ai_knowledge_base_v2/apps/admin-web/src/App.vue

@@ -861,9 +861,14 @@ function formatRecordDateTime(value: string, boundary: "start" | "end") {
                   <span>有效期</span>
                   <input v-model="studentForm.expiredAt" type="date" aria-label="学员有效期" title="留空表示长期有效" />
                 </label>
-                <div class="form-switch-row">
+                <div class="student-status-field">
                   <span>启用</span>
-                  <el-switch v-model="studentForm.status" :active-value="1" :inactive-value="0" />
+                  <el-switch
+                    v-model="studentForm.status"
+                    :active-value="1"
+                    :inactive-value="0"
+                    aria-label="启用学员账号"
+                  />
                 </div>
               </div>
               <div class="actions compact">