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Income Taxes - Summary of Reconciliations of Difference Between PRC Statutory Income Tax Rate and Group's Effective Income Tax Rate (Details)
12 Months Ended
Feb. 29, 2024
Feb. 28, 2023
Feb. 28, 2022
Income Tax Disclosure [Abstract]      
Statutory income tax rate 25.00% 25.00% 25.00%
Non-deductible expenses 21.00% 3.00% (26.00%)
Effect of preferential tax rate 41.00% (3.00%) (5.00%)
Effect of non-taxable income (28.00%) 1.00% 14.00%
Effect of different tax rate of subsidiary operation in other jurisdiction (18.00%) (13.00%) (6.00%)
Effect of tax rate change (15.00%) (6.00%)  
Effect of valuation allowance 121.00% (10.00%) (38.00%)
Effect of true-up on net operating loss (118.00%)    
Effective tax rate 29.00% (3.00%) (36.00%)