Leases - Schedule of Lease Items Recognized in Combined Statements of Financial Position (Details) ¥ in Thousands, $ in Thousands	Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 CNY (¥)
Right-of-use assets
Right-of-use assets	¥ 2,794	$ 400	¥ 4,804	¥ 14,026
Lease liabilities
Current	1,469	210	1,254
Non-current	1,121	$ 160	3,298
Lease liabilities	2,590		4,552	14,090
Office Building [Member]
Right-of-use assets
Right-of-use assets	2,443		250	12,231
Lease liabilities
Lease liabilities	2,195		0	12,413
Charging stations [Member]
Right-of-use assets
Right-of-use assets	351		4,554	1,795
Lease liabilities
Lease liabilities	¥ 395		¥ 4,552	¥ 1,677

The amount of current lease liabilities. [Refer: Lease liabilities]

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- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

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- Definition

The amount of non-current lease liabilities. [Refer: Lease liabilities]

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- Definition

The amount of assets that represent a lessee's right to use an underlying asset for the lease term that do not meet the definition of investment property. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee.

+ References

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