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Commitments and contingencies (Tables) | 12 Months Ended
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Dec. 31, 2025
Commitments and contingencies. |
Schedule of future minimum payments under non-cancelable agreements | As of December 31, 2025, future minimum payments under non-cancelable agreements consist of the following, ​
​ | ​ | ​
​ | ​ ​ ​ | Operating commitments
​ | ​ | RMB
2026 |  | 7,808
2027 |  | 4,649
2028 | ​ | 4,457
2029 |  | 8,415
​ |  | 25,329
Schedule of capital and other commitments | ​
​ | ​ | ​
​ | ​ ​ ​ | Capital commitments
​ |  | RMB
Construction in progress |  | 208,134
Investment |  | 15,000
​ |  | 223,134

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- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 04 -Subparagraph (a) -Publisher SEC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3 + Details
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- Definition Tabular disclosure of information about obligations resulting from other commitments. + References No definition available. + Details
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