v3.26.1
Income taxes - Profit (loss) before income taxes (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income taxes      
Income (loss) before income taxes ¥ (611,269) ¥ 1,254,658 ¥ (4,662,680)
Overseas entities      
Income taxes      
Income (loss) before income taxes (9,877,152) (2,289,601) (2,496,802)
PRC entities      
Income taxes      
Income (loss) before income taxes ¥ 9,265,883 ¥ 3,544,259 ¥ (2,165,878)