v3.26.1
Related party transactions - Schedule of Transactions Between Related Parties (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Related party transactions [Abstract]      
Short-term employee benefits ¥ 3,309 ¥ 4,488 ¥ 7,468
Share-based compensation 5,377 23,034 229,542
Total ¥ 8,686 ¥ 27,522 ¥ 237,010