查看源代码：
index.md

---
title: 流萤词条计算工具
pageLayout: page
footer: false
---

<div style="position: fixed;inset: 0; top: 64px">
<iframe src="https://www.desmos.com/calculator/jqm1nmlwqs?embed" width="100%" height="100%" frameborder=0></iframe>
</div>