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LEASES (Tables) | 12 Months Ended
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Dec. 31, 2025
LEASES |
Schedule of operating lease | ​
​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | As of December 31,
​ | ​ ​ ​ | 2024 | ​ ​ ​ | 2025
​ |  | RMB |  | RMB
Right-of-use assets, net |  | 542,202 |  | 1,275,805
Operating lease liabilities, current |  | 195,438 |  | 424,363
Operating lease liabilities, non-current |  | 352,618 |  | 849,936
Schedule of operating lease expenses and short-term lease expenses | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | For the Years Ended
​ | ​ ​ ​ | December 31,
​ | ​ ​ ​ | 2023 | ​ ​ ​ | 2024 | ​ ​ ​ | 2025
​ |  | RMB |  | RMB |  | RMB
Operating lease expenses |  | 46,775 |  | 152,682 |  | 311,619
Short-term lease expenses |  | 5,734 |  | 14,697 |  | 23,290
Cash paid for amounts included in the measurement of lease liabilities |  | 50,871 |  | 144,651 |  | 323,239
Right-of-use assets obtained in exchange for new operating lease liabilities |  | 95,476 |  | 552,682 |  | 1,052,922
​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31, |
​ | ​ ​ ​ | 2024 | ​ ​ ​ | 2025 |
​ | ​ ​ ​ | RMB | ​ ​ ​ | RMB |
Weighted average remaining lease term (in years) | ​ | 3.32 | ​ | 3.61 |
Weighted average discount rate |  | 4.14 | % | 4.85 | %
Schedule of maturities of operating lease liabilities | Maturities of operating lease liabilities as of December 31, 2025 are as follows:
​ | ​ | ​
​ | ​ ​ ​ | RMB
For the year ending December 31, 2026 |  | 472,680
For the year ending December 31, 2027 |  | 402,880
For the year ending December 31, 2028 |  | 273,154
For the year ending December 31, 2029 |  | 121,321
For the year ending December 31, 2030 |  | 55,384
Thereafter |  | 78,173
Total remaining undiscounted lease payments |  | 1,403,592
Less: imputed interest |  | (129,293)
Present value of operating lease liabilities |  | 1,274,299

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- Definition Tabular disclosure of balance sheet components of lessee operating leases. + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
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