v3.26.1
Income Taxes - Tax rates (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
Dec. 31, 2023
Income Taxes        
Withholding tax rate (as a percent) 10.00% 10.00%    
Statutory income tax rate 25.00% 25.00% 25.00% 25.00%
Income tax expenses in PRC ¥ 21,430 $ 3,064    
Income tax expenses outside PRC ¥ 303 $ 44    
HONG KONG        
Income Taxes        
Statutory income tax rate 16.50% 16.50%    
Shanghai Xunmeng        
Income Taxes        
Preferential tax rate (as a percent) 15.00% 15.00%    
Walnut Shanghai        
Income Taxes        
Preferential tax rate (as a percent) 15.00% 15.00%