Organization and Principal Activities - Schedule of Consolidated Statements of Cash Flow Activities (Details) - VIE [Member] ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 CNY (¥)
Schedule of Consolidated Statements of Cash Flow Activities [Line Items]
Net cash provided by operating activities	¥ (104,573)	$ (14,954)	¥ 100,323	¥ 42,562
Net cash used in investing activities	(6,532)	(934)	(19,440)	(42,554)
Net cash (used in) provided by financing activities	¥ (100)	$ (14)	¥ 216	¥ 836

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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Amount of cash inflow (outflow) from financing activity, including, but not limited to, discontinued operation. Financing activity includes, but is not limited to, obtaining resource from owner and providing return on, and return of, their investment; borrowing money and repaying amount borrowed, or settling obligation; and obtaining and paying for other resource obtained from creditor on long-term credit.

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Amount of cash inflow (outflow) from investing activity, including, but not limited to, discontinued operation. Investing activity includes, but is not limited to, making and collecting loan, acquiring and disposing of debt and equity instruments, property, plant, and equipment, and other productive assets.

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Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity.

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