v3.26.1
Prepayments and Other Current Assets - Summary of Prepayments and Other Current Assets (Detail)
¥ in Thousands, $ in Thousands
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Prepaid Expense and Other Assets, Current [Abstract]      
Value-added tax ¥ 45,741 $ 6,541 ¥ 22,706
Prepayment for acquisition of inventories 32,726 4,680 20,048
Right to recover inventories 30,326 4,337 [1]  
Prepayment for services 24,716 3,534 6,733
Insurance claims receivable 2,230 319 0
Loans and interest receivable from a related party (Note 18(5)) 2,070 296 0
Prepayment for an equity investment 2,000 286 2,000
Foreign exchange forward contract 314 45 8
Deposits 308 44 16,082
Others 491 69 721
Total Prepayments ¥ 140,922 $ 20,151 ¥ 68,298
[1] For contracts with certain customers where collectability is not probable to support the establishment of contract at contract inception, and no revenue was recognized, the Group recorded the right to recover the transferred inventories as stipulated in the contracts or by relevant laws. As of December 31, 2024 and 2025, right to recover inventories were nil and RMB30,326 (US$4,337), respectively.