v3.26.1
Parent Company Only Condensed Financial Information - Cash Flows (Details) - CNY (¥)
¥ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Parent Company Only Condensed Financial Information      
Net cash (used in)/provided by operating activities ¥ 1,495,138 ¥ 1,207,601 ¥ 441,972
Cash flows from investing activities:      
Cash received from maturity of time deposits 327,370 1,494,619 996,472
Net cash used in investing activities (2,722,879) (157,570) (45,255)
Cash flows from financing activities:      
Cash paid for initial public offering costs (8,062) (9,113)  
Proceeds from exercise of options 26   18,046
Proceeds from issuance of ordinary shares upon IPO, net of commissions 204,880    
Net cash provided by/(used in) financing activities 196,844 (9,113) 18,046
Effect of foreign exchange rate changes on cash and cash equivalents and restricted cash (4,797) 4,846 6,588
Net increase/(decrease) in cash and cash equivalents and restricted cash (1,035,694) 1,045,764 421,351
Cash and cash equivalents and restricted cash at beginning of the year 1,919,674 873,910 452,559
Cash and cash equivalents and restricted cash at end of the year 883,980 1,919,674 873,910
Parent company | Reportable legal entity      
Parent Company Only Condensed Financial Information      
Net cash (used in)/provided by operating activities (15,683) 926 (1,703)
Cash flows from investing activities:      
Cash paid for investments in subsidiaries (9,287)   (73)
Loans to subsidiaries (261,457)    
Purchase of time deposits   (1,039,231) (858,554)
Cash received from maturity of time deposits   1,241,203 861,102
Net cash used in investing activities (270,744) 201,972 2,475
Cash flows from financing activities:      
Cash paid for initial public offering costs (8,062) (9,113)  
Cash received from subsidiaries   70,074  
Proceeds from exercise of options 26    
Proceeds from issuance of ordinary shares upon IPO, net of commissions 204,880    
Net cash provided by/(used in) financing activities 196,844 60,961  
Effect of foreign exchange rate changes on cash and cash equivalents and restricted cash (8,902) 4,588 3,512
Net increase/(decrease) in cash and cash equivalents and restricted cash (98,485) 268,447 4,284
Cash and cash equivalents and restricted cash at beginning of the year 274,478 6,031 1,747
Cash and cash equivalents and restricted cash at end of the year ¥ 175,993 ¥ 274,478 ¥ 6,031