v3.26.1
Related party balances and transactions - Ownership Interest (Details) - Related Party
Apr. 27, 2026
Dec. 31, 2025
Riches Credit Insurance Brokerage Limited | Rui Wu (Company's director)    
Related party balances and transactions    
Equity method investment, ownership percentage   67.50%
Oriental Pearl (Shenzhen) Entry-Exit Service Co., Ltd. | Rui Wu (Company's director)    
Related party balances and transactions    
Equity method investment, ownership percentage   75.00%
Kwok Kai Kai Clara | Prime Ocean Holdings Limited    
Related party balances and transactions    
Equity method investment, ownership percentage   25.80%
Kwok Kai Kai Clara | Prime Ocean Holdings Limited | Subsequent event    
Related party balances and transactions    
Equity method investment, ownership percentage 9.00%