v3.25.2
Income Taxes - Summary of reconciliation of unrecognized tax benefit (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Income Tax Uncertainties [Abstract]      
Balance at January 1 ¥ 54,212 $ 7,427 ¥ 55,263
Increase     5,245
Decrease (12,440) (1,704) (6,296)
Balance at December 31 ¥ 41,772 $ 5,723 ¥ 54,212