refactor(ui): [UI8] 彻底移除遗留Card并补充下拉框中文化

client/src/pages/invoice-pool/InvoiceUploadCard.tsx

@@ -22,7 +22,7 @@ export function InvoiceUploadCard({
   setUploadOwnerEmployeeId,
 }: InvoiceUploadCardProps) {
   return (
-    <div className="card-std space-y-4">
+    <div className="card-std p-6 space-y-4">
       <h3 className="card-title">上传票据（VAT OCR）</h3>
       {showProxyOwnerSelector ? (
         <select