Income Taxes - Schedule of Loss Before Income Taxes (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)
Schedule of Loss Before Income Taxes [Line Items]
Loss before income taxes	¥ (80,478)	$ (11,449)	¥ (56,362)
Non-PRC [Member]
Schedule of Loss Before Income Taxes [Line Items]
Loss before income taxes	(8,058)	(1,146)	(14,742)
PRC [Member]
Schedule of Loss Before Income Taxes [Line Items]
Loss before income taxes	¥ (72,420)	$ (10,303)	¥ (41,620)

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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+ Details