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Leases - Summary of Lease Cost (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Leases
Operating lease expense	¥ 34,376	¥ 40,670	¥ 41,126
Short-term lease expense	12,815	13,884	12,730
Total lease expense	¥ 47,191	¥ 54,554	¥ 53,856
Cash paid for amounts included in the measurement of lease liabilities:
Weighted-average remaining lease term (in years) - operating leases	1 year 1 month 6 days
Weighted-average discount rate - operating leases	4.00%

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Amount of lease cost recognized by lessee for lease contract.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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