v3.26.1
Preferred Shares - Share activities (Details) - CNY (¥)
¥ in Thousands
 1 Months Ended 12 Months Ended
Apr. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Preferred shares activities        
Beginning balance   ¥ 3,420,882 ¥ 2,990,951 ¥ 2,454,892
Beginning balance (in shares)   151,086,581 151,086,581 151,086,581
Accretion to Preferred Shares redemption value     ¥ 429,931 ¥ 536,059
Accretion to Preferred Shares redemption value   ¥ (700,795) 429,931  
Converted into ordinary shares value   ¥ (2,720,087)    
Converted into ordinary shares (in shares) 151,086,581 (151,086,581)    
Ending balance     ¥ 3,420,882 ¥ 2,990,951
Ending balance (in shares)     151,086,581 151,086,581
Series Seed Preferred Shares        
Preferred shares activities        
Beginning balance   ¥ 692,051 ¥ 563,088 ¥ 430,851
Beginning balance (in shares)   30,769,231 30,769,231 30,769,231
Accretion to Preferred Shares redemption value     ¥ 128,963 ¥ 132,237
Accretion to Preferred Shares redemption value   ¥ (138,097)    
Converted into ordinary shares value   ¥ (553,954)    
Converted into ordinary shares (in shares)   (30,769,231)    
Ending balance     ¥ 692,051 ¥ 563,088
Ending balance (in shares)   30,769,231 30,769,231
Series Angel Preferred Shares        
Preferred shares activities        
Beginning balance   ¥ 495,921 ¥ 406,113 ¥ 312,510
Beginning balance (in shares)   21,978,022 21,978,022 21,978,022
Accretion to Preferred Shares redemption value     ¥ 89,808 ¥ 93,603
Accretion to Preferred Shares redemption value   ¥ (100,240)    
Converted into ordinary shares value   ¥ (395,681)    
Converted into ordinary shares (in shares)   (21,978,022)    
Ending balance     ¥ 495,921 ¥ 406,113
Ending balance (in shares)   21,978,022 21,978,022
Series B Preferred Shares        
Preferred shares activities        
Beginning balance   ¥ 1,028,888 ¥ 867,956 ¥ 685,325
Beginning balance (in shares)   45,315,510 45,315,510 45,315,510
Accretion to Preferred Shares redemption value     ¥ 160,932 ¥ 182,631
Accretion to Preferred Shares redemption value   ¥ (213,050)    
Converted into ordinary shares value   ¥ (815,838)    
Converted into ordinary shares (in shares)   (45,315,510)    
Ending balance     ¥ 1,028,888 ¥ 867,956
Ending balance (in shares)   45,315,510 45,315,510
Series C1 Preferred Shares        
Preferred shares activities        
Beginning balance   ¥ 851,362 ¥ 816,130 ¥ 726,861
Beginning balance (in shares)   37,373,616 37,373,616 37,373,616
Accretion to Preferred Shares redemption value     ¥ 35,232 ¥ 89,269
Accretion to Preferred Shares redemption value   ¥ (178,506)    
Converted into ordinary shares value   ¥ (672,856)    
Converted into ordinary shares (in shares)   (37,373,616)    
Ending balance     ¥ 851,362 ¥ 816,130
Ending balance (in shares)   37,373,616 37,373,616
Series C2 Preferred Shares        
Preferred shares activities        
Beginning balance   ¥ 352,660 ¥ 337,664 ¥ 299,345
Beginning balance (in shares)   15,650,202 15,650,202 15,650,202
Accretion to Preferred Shares redemption value     ¥ 14,996 ¥ 38,319
Accretion to Preferred Shares redemption value   ¥ (70,902)    
Converted into ordinary shares value   ¥ (281,758)    
Converted into ordinary shares (in shares)   (15,650,202)    
Ending balance     ¥ 352,660 ¥ 337,664
Ending balance (in shares)   15,650,202 15,650,202