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PRINCIPAL ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2025
PRINCIPAL ACCOUNTING POLICIES  
Schedule of estimated useful lives

Leasehold improvements

  ​ ​ ​

Shorter of respective lease term or estimated useful life

Computer and equipment

26 months to 4 years

 

  ​

Software

5 years

 

  ​

Office furniture and fixtures

3 years

 

  ​

Motor vehicles

5 years

 

  ​

Office buildings

10 to 20 years