原创两页教学报价，不含真实姓名、客户数据或证书签名。
Original two-page teaching quote, without a real person, client data or certificate signature.
输入为unsigned-training-two-pages.pdf；参考金额240.00在两页重复出现，不相加为480.00。
Input: unsigned-training-two-pages.pdf. The reference240.00 appears twice; do not add it into480.00.
第1页仅有蓝色折线审阅标记，第2页无笔迹。observed是真实工具导出的图片型PDF，不是证书签名文件。
Page1 has a blue review zigzag and page2 has no ink. observed files are actual image-only tool exports, not certificate-signed objects.
核对两页顺序、金额和笔迹，单独记录缺少证书签名；需要证书时采用接收方认可的流程。
Check page order, amount and ink separately from certificate validation. Use the recipient-approved process when a certificate is required.
