Lease- Schedule of Supplemental Information Related to Operating Leases (Details) ¥ in Thousands, $ in Thousands |
Dec. 31, 2025
USD ($)
|
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2024
CNY (¥)
|
|---|---|---|---|
| Lessee Disclosure [Abstract] | |||
| Operating lease right-of-use assets | $ 520 | ¥ 3,635 | ¥ 9,589 |
| Operating lease liabilities, current | 332 | 2,319 | 4,961 |
| Operating lease liabilities, non-current | 52 | 364 | 4,042 |
| Present Value of future minimum lease payments | $ 384 | ¥ 2,683 | ¥ 9,003 |