v3.25.1
Fair value measurements - Summary of Financial Instruments Measured or Disclosed at Fair Value on Recurring Basis (Details) - CNY (¥)
¥ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Assets    
Available-for-sale debt investments ¥ 283,054 ¥ 428,512
Recurring    
Assets    
Available-for-sale debt investments 283,054 428,512
Level 3 | Recurring    
Assets    
Available-for-sale debt investments ¥ 283,054 ¥ 428,512