v3.25.2
Leases - Additional Information (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Lessee, Lease, Description [Line Items]      
Total lease costs ¥ 2,138 ¥ 6,803 ¥ 10,951
Short-term Lease, Cost ¥ 244 ¥ 2,718 ¥ 2,341
Maximum      
Lessee, Lease, Description [Line Items]      
Lease term 3 years    
Minimum      
Lessee, Lease, Description [Line Items]      
Lease term 1 year