v3.26.1
Related Party Balances and Transactions - Schedule of Sales to a Related Party (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Related Party Transaction [Line Items]      
Related Party Transaction Sales to Related Party ¥ 291 ¥ 0 ¥ 0
Related Party A [Member]      
Related Party Transaction [Line Items]      
Related Party Transaction Sales to Related Party ¥ 291 ¥ 0 ¥ 0