V1-V6 收口移动视口与 PDF 发票上传

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

@@ -62,7 +62,7 @@ export function InvoiceUploadCard({
         <input
           id="file-upload"
           className="hidden"
-          accept="application/pdf,image/jpeg,image/png,image/webp"
+          accept="application/pdf"
           data-testid="invoice-upload-file"
           multiple
           onChange={(event) => setSelectedFiles(Array.from(event.target.files ?? []))}
@@ -90,6 +90,7 @@ export function InvoiceUploadCard({
           {selectedFiles.length > 4 ? <div>另有 {selectedFiles.length - 4} 个文件</div> : null}
         </div>
       ) : null}
+      <p className="text-xs text-zinc-500">发票上传仅支持 PDF；附件材料可在对应业务单据中上传图片或其他证明文件。</p>
     </div>
   );
 }