Accrued Expenses and Other Liabilities - Schedule of Accrued Expenses and Other Liabilities (Details) ¥ in Thousands, $ in Thousands	Jun. 30, 2026 CNY (¥)	Jun. 30, 2026 USD ($)	Dec. 31, 2025 CNY (¥)
Schedule of Accrued Expenses and Other Liabilities [Abstract]
Payroll and welfare payables	¥ 3,106	$ 458	¥ 3,027
Others	2,786	410	1,785
Total accrued expenses and other liabilities	¥ 5,892	$ 868	¥ 4,812

No definition available.

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- Definition

Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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- Definition

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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+ Details

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