[播放页面，这个样式怎么修改，我一直没找到修改位置。]

I also want to change this part, because it seriously affects SEO (CLS).
I hope technicians can optimize this part. For detailed questions, please refer to the link.
https://support.google.com/webmasters/answer/9205520?hl=en&sjid=15396442436269727041-AP#cls_description

[is Cloudflare Stream and R2 good for KVS?]

https://www.cloudflare.com/products/r2/

This is cheap plan for storage and serve streaming.

We hope this feature can be added soon.