Steam will send us a red message
https://gtm.you1.cn/sharedfiles/filedetails/?id=3127171801
Steam will provide hints, but not answer
https://gtm.you1.cn/sharedfiles/filedetails/?id=3127173864
Steam will not allow access to edit our Steam profile
https://gtm.you1.cn/sharedfiles/filedetails/?id=3127175033
Steam account locked means there many things we cannot access anymore:
* Not allow steam chat
* Not allow write comment
* All comments made in the past 7 days will be deleted
* All discuss topic made in the past 7 days will be disable
* Profile become not viewable from others
* Not allow edit profile
* Not allow review game
* Steam Curator Authority will be disable
* Online status will be always offline

All we can do is calm down, contemplate the situation, and message Steam Support, clarifying that it is a mistake.
https://gtm.you1.cn/sharedfiles/filedetails/?id=3127178624

Finally, they will respond within 20-40 hours, including public holidays
https://gtm.you1.cn/sharedfiles/filedetails/?id=3127186487

Steam unlock my steam account