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SIGNIFICANT ACCOUNTING POLICIES - Property and equipment, net (Details)	Dec. 31, 2025
Electronic equipment
SIGNIFICANT ACCOUNTING POLICIES
Estimated useful lives	3 years
Teahouse operation equipment
SIGNIFICANT ACCOUNTING POLICIES
Estimated useful lives	3 years
Vehicles
SIGNIFICANT ACCOUNTING POLICIES
Estimated useful lives	4 years
Manufacturing equipment
SIGNIFICANT ACCOUNTING POLICIES
Estimated useful lives	10 years
Property
SIGNIFICANT ACCOUNTING POLICIES
Estimated useful lives	20 years
Leasehold improvements
SIGNIFICANT ACCOUNTING POLICIES
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

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- Definition

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+ References

No definition available.

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- Definition

Indicates description of term of useful life for property, plant, and equipment when not stated as numeric value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 35
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482190/360-10-35-3

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