Borrowings, Other Debts and Derivative Liabilities - Schedule of Short-Term Borrowings (Details) ¥ in Thousands, $ in Thousands	Mar. 31, 2026 CNY (¥)	Mar. 31, 2026 USD ($)	Mar. 31, 2025 CNY (¥)
Schedule of Short-Term Borrowings [Abstract]
Bank borrowings	¥ 16,000	$ 2,320	¥ 9,063

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Name:	us-gaap_ShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant