Going Concern (Details) ¥ in Thousands, $ in Thousands	6 Months Ended
Jun. 30, 2026 USD ($)	Jun. 30, 2026 CNY (¥)	Jun. 30, 2025 CNY (¥)	Jun. 30, 2026 CNY (¥)	Dec. 31, 2025 CNY (¥)
Going Concern [Abstract]
Accumulated deficit	$ (237,243)			¥ (1,609,713)	¥ (1,418,827)
Net loss	$ (28,134)	¥ (190,886)	¥ (675)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

- Definition

Amount of accumulated undistributed earnings (deficit).

+ References

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+ Details