Translate academic papers & monographs (PDF) into a single self-contained bilingual HTML — Chinese/original/side-by-side. Vendor-neutral, works with any file-capable AI agent. 把論文/專著 PDF 翻成單一自包含的中英對照 HTML（純中／對照／純原文三態切換）。廠商中立，任何能操作檔案的 AI agent 都能跑。