原始文档： <img width="763" height="571" alt="Image" src="https://github.com/user-attachments/assets/73025605-3f59-416e-baa4-9a0f389e4247" /> pdfh5渲染效果： <img width="737" height="580" alt="Image" src="https://github.com/user-attachments/assets/77731408-95c0-4993-98b2-de676d4b5a1d" />