v3.26.3
RESTRICTED CASH - Summary of restricted cash (Details) - CNY (¥)
¥ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Non-Current    
Deposits for renting office [1] ¥ 7,001  
Deposits for letter of guarantee 3,987 ¥ 6,487
Restricted cash 10,988 6,487
Current    
Deposits for renting office [1]   6,488
Deposits for letter of guarantee and credit cards 10,420 6,422
Restricted cash ¥ 10,420 ¥ 12,910
[1] Deposits for renting office represent cash held in collateral bank accounts in the U.S. with designated usage of deposits for renting office.