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/OperationHistory.vue

@@ -141,23 +141,11 @@
 <script>
 import { ref, reactive, onMounted } from 'vue'
 import { ElMessage } from 'element-plus'
-import {
-  Clock,
-  Refresh,
-  Search,
-  Filter
-} from '@element-plus/icons-vue'
 import { lotteryApi } from '../../api/index.js'
 import { userStore } from '../../store/user.js'
 
 export default {
   name: 'OperationHistory',
-  components: {
-    Clock,
-    Refresh,
-    Search,
-    Filter
-  },
   setup() {
     // 筛选表单
     const filterForm = reactive({