v3.26.1
Long-Term Borrowings - Summary of Long-term Borrowings (Parenthetical) (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Feb. 28, 2026
CNY (¥)
Feb. 28, 2026
USD ($)
Feb. 28, 2025
CNY (¥)
Feb. 29, 2024
CNY (¥)
Feb. 28, 2026
USD ($)
Feb. 28, 2025
USD ($)
Debt Instrument [Line Items]            
Interest expense ¥ 6,006 $ 876 ¥ 16,200 ¥ 7,235    
Property and equipment, net 120,574   125,228   $ 17,582  
China Merchants Bank            
Debt Instrument [Line Items]            
Uncommitted credit facility 110,000          
Domestic fixed assets loan 90,000          
Line of credit, amount 90,000       13,123  
Restricted cash ¥ 129,478       18,880  
Line of credit, maturity date December, 2030 December, 2030        
Interest expense ¥ (2,906) $ (424) ¥ (2,155) (142)    
Interest income capitalized in property and equipment       ¥ 142 $ 0 $ 990
Repayment Amount 90,000 13,123        
China Merchants Bank | 3.60% Effective Interest Rate            
Debt Instrument [Line Items]            
Line of credit, amount ¥ 1,319         $ 191
Effective interest rate 3.60%       3.60%  
China Merchants Bank | 3.40% Effective Interest Rate            
Debt Instrument [Line Items]            
Line of credit, amount ¥ 61,280       $ 8,936  
Effective interest rate 3.40%       3.40%  
China Merchants Bank | 3.35% Effective Interest Rate            
Debt Instrument [Line Items]            
Line of credit, amount ¥ 19,535       $ 2,849  
Effective interest rate 3.35%       3.35%  
China Merchants Bank | 3.25% Effective Interest Rate            
Debt Instrument [Line Items]            
Line of credit, amount ¥ 7,866       $ 1,147  
Effective interest rate 3.25%       3.25%  
China Merchants Bank | June 25, 2026            
Debt Instrument [Line Items]            
Repayment Amount ¥ 2,500 365        
China Merchants Bank | July 25, 2026            
Debt Instrument [Line Items]            
Repayment Amount 2,000 292        
China Merchants Bank | December 25, 2026            
Debt Instrument [Line Items]            
Repayment Amount 2,500 365        
China Merchants Bank | January 25, 2027            
Debt Instrument [Line Items]            
Repayment Amount 2,000 292        
China Merchants Bank | June 25, 2027            
Debt Instrument [Line Items]            
Repayment Amount 2,500 365        
China Merchants Bank | July 25, 2027            
Debt Instrument [Line Items]            
Repayment Amount 2,000 292        
China Merchants Bank | December 25, 2027            
Debt Instrument [Line Items]            
Repayment Amount 2,500 365        
China Merchants Bank | January 25, 2028            
Debt Instrument [Line Items]            
Repayment Amount 2,000 292        
China Merchants Bank | June 25, 2028            
Debt Instrument [Line Items]            
Repayment Amount 2,500 365        
China Merchants Bank | July 25, 2028            
Debt Instrument [Line Items]            
Repayment Amount 2,000 292        
China Merchants Bank | December 25, 2028            
Debt Instrument [Line Items]            
Repayment Amount 2,500 365        
China Merchants Bank | January 25, 2029            
Debt Instrument [Line Items]            
Repayment Amount 2,000 292        
China Merchants Bank | June 25, 2029            
Debt Instrument [Line Items]            
Repayment Amount 2,500 365        
China Merchants Bank | July 25, 2029            
Debt Instrument [Line Items]            
Repayment Amount 2,000 292        
China Merchants Bank | December 25, 2029            
Debt Instrument [Line Items]            
Repayment Amount 2,500 365        
China Merchants Bank | January 25, 2030            
Debt Instrument [Line Items]            
Repayment Amount 2,000 292        
China Merchants Bank | June 25, 2030            
Debt Instrument [Line Items]            
Repayment Amount 2,500 365        
China Merchants Bank | July 25, 2030            
Debt Instrument [Line Items]            
Repayment Amount 2,000 292        
China Merchants Bank | December 15, 2030            
Debt Instrument [Line Items]            
Repayment Amount ¥ 49,500 $ 7,210