Cost of Revenues
 12 Months Ended
Dec. 31, 2017
Cost of Revenue [Abstract]  
Cost of Revenues
14. COST OF REVENUES

 

     Year ended December 31,  
     2015      2016      2017  
     RMB      RMB      RMB      US$  

Content-related costs

      184,635        269,313        390,885        60,078  

Depreciation and amortization

      43,160        42,570        41,579        6,391  

Bandwidth and internet data center

      38,893        51,766        89,889        13,816  

VAT and surcharges

      269,491        349,373        484,811        74,513  

Cost of sales, including tax

      132,942        1,680,143        351,521        54,028  
  

 

 

     

 

 

     

 

 

     

 

 

  
     669,121        2,393,165        1,358,685        208,826  
  

 

 

     

 

 

     

 

 

     

 

 

  

Write-down of inventories and prepayment for vehicle purchase cost of nil, RMB50,190 and RMB1,483 (US$228) was included in cost of sales, including tax for the years ended December 31, 2015, 2016 and 2017, respectively.