v3.25.1
Restricted net assets - Additional Information (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Restricted net assets    
Percentage of after-tax income required to be transferred to statutory general reserve fund 10.00%  
Reserve level threshold for mandatory appropriation requirement (as a percent) 50.00%  
Restricted net assets ¥ 1,160,828 ¥ 782,614