v3.26.1
PRINCIPAL ACTIVITIES AND ORGANIZATION - Summary Of Financial Information Of Consolidated VIE (Details)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Current assets          
Cash and cash equivalents ¥ 4,104,917   ¥ 2,553,090   $ 586,995
Short-term time deposits 6,390,158   5,488,631   913,780
Short-term investments 9,450,244   6,639,389   1,351,367
Accounts and notes receivable, net 33,137   40,713   4,739
Inventories 2,395   3,042   342
Amounts due from related parties ¥ 9,241   ¥ 7,258   $ 1,321
Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration] us-gaap:RelatedPartyMember   us-gaap:RelatedPartyMember   us-gaap:RelatedPartyMember
Prepayments and other current assets ¥ 365,205   ¥ 368,260   $ 52,224
Total current assets 20,355,297   15,100,383   2,910,768
Non-current assets          
Long-term time deposits 782,460       111,890
Long-term investments 1,898,178   1,914,530   271,436
Property, equipment and software, net 1,245,022   1,733,786   178,036
Right-of-use assets, net 161,452   302,856   23,087
Intangible assets, net 100,909   252,589   14,430
Total non-current assets 4,212,717   4,210,289   602,411
Total assets 24,568,014   19,310,672   3,513,179
Current liabilities          
Accounts payable 119,966   110,668   17,155
Deferred revenue 3,235,959   3,084,839   462,736
Other payables and accrued liabilities 921,319   815,767   131,747
Operating lease liabilities, current 94,016   180,782   13,444
Total current liabilities 4,371,260   4,192,056   625,082
Non-current liabilities          
Operating lease liabilities, non-current 64,027   121,345   9,156
Deferred tax liabilities 51,689   34,451   7,391
Total non-current liabilities 115,716   155,796   16,547
Total liabilities 4,486,976   4,347,852   $ 641,629
Total revenues 8,267,518 $ 1,182,240 7,355,677 ¥ 5,952,028  
Cost of revenues (1,235,153) (176,625) (1,239,712) (1,059,861)  
Net income 2,690,467 384,731 1,567,026 1,099,218  
Net cash provided by operating activities 4,552,371 650,980 3,542,495 3,047,009  
Net cash used in investing activities (4,608,212) (658,966) (2,016,899) (9,938,645)  
Net cash (used in)/provided by financing activities 1,654,508 236,592 (1,460,539) (417,022)  
Net increase/(decrease) in cash and cash equivalents 1,551,827 221,908 80,131 (7,278,865)  
Cash and cash equivalents at beginning of the year 2,553,090 365,087 2,472,959 9,751,824  
Cash and cash equivalents at end of the year 4,104,917 $ 586,995 2,553,090 2,472,959  
Consolidated VIE          
Current assets          
Cash and cash equivalents 1,284,631   1,414,184    
Short-term time deposits 64,098        
Short-term investments 7,958,835   4,445,982    
Accounts and notes receivable, net 11,643   24,988    
Inventories 2,395   3,042    
Amounts due from Group companies 299,254   379,885    
Amounts due from related parties ¥ 8,723   ¥ 6,585    
Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration] us-gaap:RelatedPartyMember   us-gaap:RelatedPartyMember   us-gaap:RelatedPartyMember
Prepayments and other current assets ¥ 315,028   ¥ 276,936    
Total current assets 9,944,607   6,551,602    
Non-current assets          
Long-term time deposits 51,799        
Long-term investments 188,901   252,492    
Property, equipment and software, net 1,127,522   1,469,151    
Right-of-use assets, net 106,685   207,835    
Intangible assets, net 102   189    
Total non-current assets 1,475,009   1,929,667    
Total assets 11,419,616   8,481,269    
Current liabilities          
Accounts payable 112,843   71,692    
Deferred revenue 2,920,916   2,790,780    
Other payables and accrued liabilities 540,787   493,032    
Amounts due to Group companies 268,998   228,135    
Operating lease liabilities, current 66,527   143,588    
Total current liabilities 3,910,071   3,727,227    
Non-current liabilities          
Operating lease liabilities, non-current 29,938   61,002    
Deferred tax liabilities 36,024   21,861    
Total non-current liabilities 65,962   82,863    
Total liabilities 3,976,033   3,810,090    
Total revenues 7,785,097   7,051,500 5,867,883  
Cost of revenues (1,134,165)   (1,138,098) (1,057,018)  
Net income 2,170,984   1,368,323 697,038  
Net cash provided by operating activities 3,418,058   2,747,052 2,717,909  
Net cash used in investing activities (3,547,611)   (2,476,836) (2,594,184)  
Net increase/(decrease) in cash and cash equivalents (129,553)   270,216 123,725  
Cash and cash equivalents at beginning of the year 1,414,184   1,143,968 1,020,243  
Cash and cash equivalents at end of the year ¥ 1,284,631   ¥ 1,414,184 ¥ 1,143,968