v3.25.2
SHARE-BASED COMPENSATION - Assumptions used to Determine Fair Value of Share Options Granted (Details)
12 Months Ended
Dec. 31, 2024
¥ / shares
SHARE-BASED COMPENSATION  
Risk-free interest rate, minimum 3.90%
Risk-free interest rate, maximum 4.38%
Expected volatility, minimum 59.20%
Expected volatility, maximum 59.21%
Expected life of option (years) 20 years
Minimum  
SHARE-BASED COMPENSATION  
Fair value per ordinary share ¥ 0.13
Maximum  
SHARE-BASED COMPENSATION  
Fair value per ordinary share ¥ 0.53