补充监查访视问题模块内容、翻页功能UI统一

frontend/src/views/admin/Users.vue

@@ -71,15 +71,18 @@
             </template>
           </el-table-column>
         </el-table>
-        <el-pagination
-          background
-          layout="prev, pager, next, total"
-          :page-size="pageSize"
-          :total="total"
-          v-model:current-page="page"
-          @current-change="loadUsers"
-          class="pagination"
-        />
+        <div class="pagination-wrap" v-if="total > 0">
+          <el-pagination
+            v-model:current-page="page"
+            v-model:page-size="pageSize"
+            :page-sizes="[5, 10, 20]"
+            :total="total"
+            layout="prev, pager, next, sizes, total"
+            small
+            @current-change="loadUsers"
+            @size-change="onPageSizeChange"
+          />
+        </div>
       </div>
     </el-card>
     <UserForm v-model:visible="formVisible" :user="editingUser" :admin-count="activeAdminCount" @saved="loadUsers" />
@@ -170,6 +173,12 @@ const loadUsers = async () => {
   }
 };
 
+const onPageSizeChange = (size: number) => {
+  pageSize.value = size;
+  page.value = 1;
+  loadUsers();
+};
+
 const openCreate = () => {
   editingUser.value = null;
   formVisible.value = true;
@@ -309,8 +318,8 @@ onMounted(() => {
   padding-bottom: 12px;
 }
 
-.pagination {
-  margin-top: 12px;
+.pagination-wrap {
+  margin-top: 14px;
   display: flex;
   justify-content: flex-end;
 }