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Intangible Assets, Net (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 15, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]        
Total cost   ¥ 103,378 ¥ 38,485  
Less: Accumulated amortization   (24,648) (17,885)  
Total   78,730 20,600  
Amortization expenses   7,704 7,914 ¥ 6,326
Software        
Finite-Lived Intangible Assets [Line Items]        
Total cost   38,143 30,095  
Technology        
Finite-Lived Intangible Assets [Line Items]        
Total cost   ¥ 65,235 ¥ 8,390  
Patents        
Finite-Lived Intangible Assets [Line Items]        
Group acquired patent rights ¥ 59,351      
Amortization period 8 years