v3.26.1
Summary of Significant Principal Accounting Policies (Narrative) (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
segment
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Summary of Significant Principal Accounting Policies        
Short-term loans ¥ 1,207,773 ¥ 1,220,957   $ 172,709
Notes payable 335,171 461,179   47,929
Amount of cash and cash equivalents, restricted cash and short-term investments denominated in currency subject to risk ¥ 2,149,288 2,064,158    
Foreign currency exchange rate weighted average translation rate 6.9931      
Short-term Investments ¥ 1,747,032 1,271,618   $ 249,822
Impairment of long-lived assets 0 0 ¥ 0  
Advertising expense 2,248,670 1,684,828 1,249,110  
Income from government subsidies ¥ 60,665 ¥ 63,463 ¥ 92,895  
Government Assistance, Operating Income, Increase (Decrease), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Operating Income (Expense), Net Other Operating Income (Expense), Net Other Operating Income (Expense), Net  
Amortization of Intangible Assets ¥ 70,839 ¥ 84,569 ¥ 83,799  
Number of operating segments | segment 2      
Exclusive Technology Service Agreement | Shanghai Zunyi        
Summary of Significant Principal Accounting Policies        
Agreement term (in years) 20 years      
Shanghai Zunyi Business Consulting Ltd. | Founder        
Summary of Significant Principal Accounting Policies        
Equity ownership percentage 80.00%      
Mr. Vincent Wenbin Qiu | Founder        
Summary of Significant Principal Accounting Policies        
Equity ownership percentage 20.00%      
Shanghai Baozun E-commerce Limited        
Summary of Significant Principal Accounting Policies        
Initial term 20 years      
VIE        
Summary of Significant Principal Accounting Policies        
Contribution percentage in consolidated net revenues 4.39% 5.62% 6.22%  
Contribution percentage in consolidated total assets 1.79% 1.80%   1.79%
Contribution percentage in consolidated total liabilities 3.50% 4.92%   3.50%
Short-term loans ¥ 77,000 ¥ 99,694    
Notes payable 35,077 82,817    
Asset Pledged as Collateral [Member] | Bank borrowings        
Summary of Significant Principal Accounting Policies        
Short-term Investments ¥ 245,000      
Land use right        
Summary of Significant Principal Accounting Policies        
Intangible asset, useful life 44 years     44 years
Amortization of Intangible Assets ¥ 1,026 ¥ 1,026 ¥ 1,026  
Remaining useful life 36 years     36 years