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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

- Definition

Amount of increase in obligation to transfer good or service to customer for which consideration is received in advance for transferring control of goods to franchised stores and franchise related services fee net of revenue recognized.

+ References

No definition available.

+ Details

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X

- Definition

Amount of increase in obligation to transfer good or service to customer for which consideration received is recognized as upfront fees net of revenue recognized.

+ References

No definition available.

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X

- Definition

Amount of revenue recognized that was previously included in unamortized upfront fees received from franchisees.

+ References

No definition available.

+ Details

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X

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-2

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- References

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