Principal Accounting Policies - Schedule of Property Plant and Equipment Useful Lives (Details)	Mar. 31, 2026
Warehouse Equipment [Member] \| Minimum [Member]
Property, Plant, and Equipment [Line Items]
Property and equipment, estimated useful lives	3 years
Warehouse Equipment [Member] \| Maximum [Member]
Property, Plant, and Equipment [Line Items]
Property and equipment, estimated useful lives	5 years
Furniture, Computer and Office Equipment [Member] \| Minimum [Member]
Property, Plant, and Equipment [Line Items]
Property and equipment, estimated useful lives	3 years
Furniture, Computer and Office Equipment [Member] \| Maximum [Member]
Property, Plant, and Equipment [Line Items]
Property and equipment, estimated useful lives	5 years
Vehicles [Member]
Property, Plant, and Equipment [Line Items]
Property and equipment, estimated useful lives	5 years
Machinery and Equipment [Member]
Property, Plant, and Equipment [Line Items]
Property and equipment, estimated useful lives	5 years
Software [Member]
Property, Plant, and Equipment [Line Items]
Property and equipment, estimated useful lives	10 years
Leasehold Improvements [Member]
Property, Plant, and Equipment [Line Items]
Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration]	Over the shorter of the expected life of leasehold improvements or the lease term

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Useful life of property, plant, and equipment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

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