v3.26.1
INCOME TAXES - Net (loss) income before income tax (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
INCOME TAXES      
Net (loss) income before income tax from Chinese Mainland operations ¥ 237,462 ¥ (25,325) ¥ (480,479)
Net income (loss) before income tax from operations in other tax jurisdictions 229,253 (75,921) 5,169
Total net (loss) income before income tax ¥ 466,715 ¥ (101,246) ¥ (475,310)