refactor(ui): [UI8] 补齐全局异常卡片边距并统一剩余下拉表单样式

client/src/pages/DepartmentsPage.tsx

@@ -135,7 +135,7 @@ export function DepartmentsPage() {
             <select
               id="deptParent"
               data-testid="departments-create-parent"
-              className="h-11 w-full rounded-lg border border-zinc-300 bg-white px-3 py-2 text-sm"
+              className="select-std"
               value={parentId}
               onChange={(event) => setParentId(event.target.value)}
             >