v3.25.2
Summary of Significant Accounting Policies - Revenue (Details) - CNY (¥)
¥ in Thousands
6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Summary of Significant Accounting Policies      
Stand-alone fair value as a percentage of gross selling price 3.00%    
Revenue allocated to performance obligation ¥ 640,036 ¥ 708,482  
Amount charged to selling and marketing expenses 122,196 ¥ 122,704  
Liabilities related to unredeemed points 2,112,784   ¥ 2,017,516
Vehicle sales      
Summary of Significant Accounting Policies      
Contract liabilities ¥ 6,236,488   ¥ 6,349,012