v3.26.1
Condensed Financial Information of the Parent Company - Schedule of Condensed Balance Sheets (Detail)
¥ in Thousands, $ in Thousands
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Current assets:          
Cash and cash equivalents ¥ 478,392 $ 68,409 ¥ 519,849 ¥ 615,096  
Restricted cash 2,696 386 2,313 120  
Total current assets 738,586 105,616 776,618    
Non-current assets:          
Property and equipment, net 31,099 4,447 47,152    
Total non-current assets 81,789 11,696 108,687    
TOTAL ASSETS 820,375 117,312 885,305    
Current liabilities:          
Accrued liabilities and other current liabilities 80,861 11,563 89,498    
Total current liabilities 246,978 35,318 266,299    
TOTAL LIABILITIES 285,111 40,770 304,478    
Shareholders' equity:          
Treasury stock (57,193) (8,178) (63,264)    
Additional paid-in capital 5,010,060 716,429 5,002,255    
Accumulated deficits (4,255,607) (608,544) (4,200,261)    
Accumulated other comprehensive loss (162,137) (23,185) (158,048)    
Total shareholders' equity 535,264 76,542 580,827 ¥ 768,410 ¥ 1,158,341
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY 820,375 117,312 885,305    
Common Class A [Member]          
Shareholders' equity:          
Ordinary shares 120 17 124    
Common Class B [Member]          
Shareholders' equity:          
Ordinary shares 21 3 21    
Parent Company [Member]          
Current assets:          
Cash and cash equivalents 9,571 1,369 9,328    
Restricted cash 919 131 224    
Inter-company receivables 3,122,220 446,472 3,198,215    
Prepayments and other current assets 111 16 297    
Total current assets 3,132,821 447,988 3,208,064    
Non-current assets:          
Property and equipment, net 75 10 77    
Total non-current assets 75 10 77    
TOTAL ASSETS 3,132,896 447,998 3,208,141    
Current liabilities:          
Inter-company payables 2,596,203 371,252 2,626,851    
Accrued liabilities and other current liabilities 1,429 204 463    
Total current liabilities 2,597,632 371,456 2,627,314    
TOTAL LIABILITIES 2,597,632 371,456 2,627,314    
Shareholders' equity:          
Treasury stock (57,193) (8,178) (63,264)    
Additional paid-in capital 5,010,060 716,429 5,002,255    
Accumulated deficits (4,255,607) (608,544) (4,200,261)    
Accumulated other comprehensive loss (162,137) (23,185) (158,048)    
Total shareholders' equity 535,264 76,542 580,827    
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY 3,132,896 447,998 3,208,141    
Parent Company [Member] | Common Class A [Member]          
Shareholders' equity:          
Ordinary shares 120 17 124    
Parent Company [Member] | Common Class B [Member]          
Shareholders' equity:          
Ordinary shares ¥ 21 $ 3 ¥ 21