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.

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 280
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
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-Section S99
-Paragraph 1
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Topic 280
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 606
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+ Details

Other Revenues - Summary of Other Revenues by Type of Service (Detail) ¥ in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2025 CNY (¥)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 CNY (¥)	Mar. 31, 2023 CNY (¥)
Disaggregation of Revenue [Line Items]
Revenues	¥ 141,233	$ 19,463	¥ 160,344	¥ 232,076
Other Revenues
Disaggregation of Revenue [Line Items]
Revenues	7,424		7,047	12,748
Other Revenues \| Marketing Services Revenue
Disaggregation of Revenue [Line Items]
Revenues	2,100		961	4,416
Other Revenues \| Logistic Services Revenue
Disaggregation of Revenue [Line Items]
Revenues	1,640		1,752	1,813
Other Revenues \| Promotion services revenue
Disaggregation of Revenue [Line Items]
Revenues	90		167	926
Other Revenues \| Service, Others
Disaggregation of Revenue [Line Items]
Revenues	¥ 3,594		¥ 4,167	¥ 5,593