Help with iQyi extras video

[InfinitiX2]

yt-dlp works well with iqyi until it comes to the extras/specials/bts episodes. Can someone show me how to find the m3u8 for this?

https://www.iq.com/play/mysterious-lotus-casebook-1lr3qf5g294?lang=en_us

[lomero]

https://cache.m.iqiyi.com/mus/1758046726077401/5e1362f18076233312a59c9d5ae25a0c/afbe8fd3d73448c9/1023108576/20230808/57/98/c08d8c12885ed278d4669f0300518b00.m3u8?vt=0&pt=360&previewTime=360&qd_originate=h5&k_uid=edc26b66420e0e3e49d22ec16a797d14&_lnt=0&previewType=3&bossStatus=2&qd_p=55a6eec&bid=200&code=2&ff=ts&src=02020031010011000000&tm=1704048524084&qd_vip=0&tvid=5809786424522500&qd_uri=dash&prv=1&qd_time=1704048524589&sgti=48_edc26b66420e0e3e49d22ec16a797d14_1704048524084&vf=c4513d694c4394283d67775f1a4615d0

but this m3u8 is for preview only. need login to watch full video