v3.26.1
Related party transactions (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Related party transactions      
Purchase of goods ¥ 278,988 ¥ 294,963 ¥ 373,864
Purchase of services 920,193 823,372 838,609
Provision of services 44,572 30,952 17,689
Related Party      
Related party transactions      
Sales of product 383 295 73,608
Interest income ¥ 12,919 ¥ 17,460 ¥ 24,011