v3.25.2
Long-term investments - Equity securities with and without readily determinable fair value (Details)
¥ in Thousands, $ in Thousands
6 Months Ended
Jun. 30, 2025
CNY (¥)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
CNY (¥)
Dec. 31, 2024
CNY (¥)
Jan. 31, 2024
CNY (¥)
Aug. 31, 2023
CNY (¥)
Equity method investments            
Purchase of equity investee ¥ 5,760 $ 804 ¥ 267,363      
Share of loss of equity investees (380,859) (53,166) (93,089)      
(iii) Equity securities without readily determinable fair value            
Initial cost 417,497     ¥ 417,497    
Net cumulative fair value adjustments 83,274     86,785    
Carrying value 500,771     504,282    
Invested in equity securities without readily determinable fair value 0   113,363      
Fair value loss 3,511   24,373      
Impairment charges 0   0      
(iv) Available-for-sale debt securities:            
Initial cost 175,407     173,918    
Carrying value 175,407     ¥ 173,918    
Purchase of available-for-sale debt investments 1,820 $ 254 52,842      
Impairment loss 0   0      
(v) Retained asset-backed securities            
Debt securities issued to investors         ¥ 2,450,000 ¥ 859,000
Private company            
(iv) Available-for-sale debt securities:            
Purchase of available-for-sale debt investments 1,489   53,208      
Private funds And entities            
Equity method investments            
Purchase of equity investee 5,760   154,000      
Private company            
Equity method investments            
Share of loss of equity investees ¥ 380,859   ¥ 93,089