v3.26.1
Significant Accounting Policies - Statutory reserves (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Significant Accounting Policies      
Appropriations to general reserve funds and statutory surplus funds ¥ 6,463 ¥ 3,893 ¥ 8,576
Minimum      
Significant Accounting Policies      
After tax profit to be transferred to statutory surplus fund (as a percent) 10.00%    
After tax profit to be transferred to general reserve fund (as a percent) 10.00%    
Maximum      
Significant Accounting Policies      
Limit of surplus fund as a percentage of registered capital, beyond which no further appropriation is required 50.00%    
Limit of general reserve fund as a percentage of registered capital, beyond which no further appropriation is required 50.00%