feat: 前端UI/UX全面优化 - CSS变量系统/交互动画/按下反馈/弹窗动画/输入框聚焦增强

src/views/admin/ExcelImportManagement.vue

@@ -217,35 +217,8 @@
 <script>
 import { lotteryApi } from '../../api/index.js'
 import { userStore } from '../../store/user.js'
-import {
-  ElCard,
-  ElRow,
-  ElCol,
-  ElButton,
-  ElIcon
-} from 'element-plus'
-import {
-  Document,
-  Warning,
-  Plus,
-  InfoFilled,
-  FolderOpened
-} from '@element-plus/icons-vue'
-
 export default {
   name: 'AdminExcelImportManagement',
-  components: {
-    ElCard,
-    ElRow,
-    ElCol,
-    ElButton,
-    ElIcon,
-    Document,
-    Warning,
-    Plus,
-    InfoFilled,
-    FolderOpened
-  },
   data() {
     return {
       // 权限验证
@@ -472,7 +445,7 @@ export default {
 <style scoped>
 .excel-import-management {
   min-height: 100vh;
-  background: #f5f5f5;
+  background: var(--color-bg-page, #f0f2f5);
   padding: 24px;
 }