v3.25.3
Expenses By Nature - Summary of Expenses By Nature (Details) - CNY (¥)
¥ in Thousands
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Disclosure of expenses by nature [Line Items]    
Payroll and employee benefits ¥ 693,153 ¥ 614,013
Cost of goods sold 35,461 17,157
Depreciation and amortization 73,027 48,883
Professional services fee 73,656 13,563
Service fee from a related party 32,379 65,557
Outsourcing service fee 61,734 26,189
Utilities and property management fee 24,823 14,042
Listing expense related to public offering on Nasdaq   3,634
Listing expense related to Hong Kong public offering 29,068  
Others 66,612 40,758
Total cost of revenue, research and development expenses, administrative expenses and selling expenses 1,089,913 843,796
Payroll and employee benefits:    
Salaries, allowances, bonus and benefits in kind 445,452 307,892
Contributions to defined contribution retirement plan 28,179 14,221
Share-based compensation expenses 219,522 291,900
Employee benefits 693,153 614,013
Property and equipment [member]    
Disclosure of expenses by nature [Line Items]    
Depreciation and amortization 45,372 28,912
Right-of-use assets [member]    
Disclosure of expenses by nature [Line Items]    
Depreciation and amortization 25,417 17,810
Intangible assets [member]    
Disclosure of expenses by nature [Line Items]    
Depreciation and amortization ¥ 2,238 ¥ 2,161