v3.26.1
Concentration - Schedules of Concentrations of Continuing Operations (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Feb. 28, 2026
CNY (¥)
Feb. 28, 2026
USD ($)
Feb. 28, 2025
CNY (¥)
Feb. 29, 2024
CNY (¥)
Feb. 28, 2026
USD ($)
Concentration Risk [Line Items]          
Cost of revenue from customer ¥ 188,791 $ 27,529 ¥ 203,941 ¥ 79,951  
Accounts payable 3,014   3,746   $ 439
Accounts Receivable | Customer Concentration Risk | Customer A          
Concentration Risk [Line Items]          
Accounts Receivable from customer ¥ 611       89
Concentration Risk, Percentage 20.00% 20.00%      
Accounts Receivable | Customer Concentration Risk | Customer B          
Concentration Risk [Line Items]          
Accounts Receivable from customer ¥ 457       67
Concentration Risk, Percentage 14.00% 14.00%      
Accounts Receivable | Customer Concentration Risk | Customer C          
Concentration Risk [Line Items]          
Accounts Receivable from customer ¥ 386       56
Concentration Risk, Percentage 12.00% 12.00%      
Accounts Receivable | Customer Concentration Risk | Customer D          
Concentration Risk [Line Items]          
Accounts Receivable from customer     ¥ 438    
Concentration Risk, Percentage     22.00%    
Accounts Receivable | Customer Concentration Risk | Customer E          
Concentration Risk [Line Items]          
Accounts Receivable from customer     ¥ 274    
Concentration Risk, Percentage     13.00%    
Accounts Receivable | Customer Concentration Risk | Major Customers          
Concentration Risk [Line Items]          
Accounts Receivable from customer ¥ 1,454   ¥ 712   212
Concentration Risk, Percentage 46.00% 46.00% 35.00%    
Cost of revenue | Supplier Concentration Risk | Supplier G          
Concentration Risk [Line Items]          
Cost of revenue from customer ¥ 33,694 $ 4,913 ¥ 33,845    
Concentration Risk, Percentage 18.00% 18.00% 17.00%    
Cost of revenue | Supplier Concentration Risk | Major Suppliers          
Concentration Risk [Line Items]          
Cost of revenue from customer ¥ 33,694 $ 4,913 ¥ 33,845    
Concentration Risk, Percentage 18.00% 18.00% 17.00%    
Accounts Payable | Supplier Concentration Risk | Supplier G          
Concentration Risk [Line Items]          
Accounts payable ¥ 945   ¥ 2,136   138
Concentration Risk, Percentage 31.00% 31.00% 57.00%    
Accounts Payable | Supplier Concentration Risk | Supplier H          
Concentration Risk [Line Items]          
Accounts payable     ¥ 796    
Concentration Risk, Percentage     21.00%    
Accounts Payable | Supplier Concentration Risk | Supplier I          
Concentration Risk [Line Items]          
Accounts payable ¥ 844       123
Concentration Risk, Percentage 28.00% 28.00%      
Accounts Payable | Supplier Concentration Risk | Major Suppliers          
Concentration Risk [Line Items]          
Accounts payable ¥ 1,789   ¥ 2,932   $ 261
Concentration Risk, Percentage 59.00% 59.00% 78.00%