v3.26.1
Property and Equipment, Net - Additional Information (Detail) - CNY (¥)
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Property, Plant and Equipment [Line Items]      
Depreciation and amortization expense ¥ 11,289,000 ¥ 11,450,000 ¥ 8,091,000
Impairment charges     ¥ 0
LVB Focused Online Business Asset Group      
Property, Plant and Equipment [Line Items]      
Impairment of goodwill and long-lived assets ¥ 17,953,000