v3.25.1
Related party transactions - Schedule of Allowance for Credit Loss Provision Related to Amounts Due from Related Parties (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Expected Credit Loss Provision Related To Amounts Due From to Related Parties [Abstract]      
Balance at beginning of the year ¥ (217) ¥ (302) ¥ (393)
Current year provision (100) (219) (139)
Current year reversal 15 304 230
Balance at end of the year ¥ (302) ¥ (217) ¥ (302)