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NET REVENUES - Significant changes to the contract liabilities balances (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
NET REVENUES |  |  |
Beginning balance | ¥ 522,646 | ¥ 341,907 | ¥ 46,521
Revenue recognized that was included in unamortized upfront fees received from franchisees at the beginning of the year | (68,790) | (45,263) | (5,394)
Increase for upfront fees associated with contracts that became effective during the year, net of amounts recognized as revenue during the year | 17,735 | 164,398 | 161,121
Increase for payments received in advance of transferring control of goods to franchised stores and franchise related service fee, net of amounts recognized as revenue during the year | 8,111 | 61,604 | 139,659
Ending balance | ¥ 479,702 | ¥ 522,646 | ¥ 341,907

X
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