Fair Value Measurement - Schedule of Warrant Liability at Fair Value (Details) ¥ in Thousands, $ in Thousands |
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
|---|---|---|---|---|
| Schedule of Warrant Liability at Fair Value [Line Items] | ||||
| Warrant liability | ¥ 24,377 | $ 3,486 | ¥ 68,556 | |
| Level 1 Inputs [Member] | ||||
| Schedule of Warrant Liability at Fair Value [Line Items] | ||||
| Warrant liability | ||||
| Level 2 Inputs [Member] | ||||
| Schedule of Warrant Liability at Fair Value [Line Items] | ||||
| Warrant liability | ||||
| Level 3 Inputs [Member] | ||||
| Schedule of Warrant Liability at Fair Value [Line Items] | ||||
| Warrant liability | ¥ 24,377 | ¥ 68,556 | ¥ 3,952 |