v3.26.1
Consolidated Balance Sheets (Parentheticals)
¥ in Thousands
Dec. 31, 2025
CNY (¥)
shares
Dec. 31, 2025
$ / shares
May 12, 2025
¥ / shares
shares
Dec. 31, 2024
CNY (¥)
shares
Dec. 31, 2024
$ / shares
Ordinary shares, par value | ¥ / shares     ¥ 0.00001    
Ordinary shares, shares authorized     20,000,000,000    
Board of Directors          
Ordinary shares, shares authorized     3,200,000,000    
Class A Ordinary Shares [Member]          
Ordinary shares, par value | $ / shares [1]   $ 0.00001     $ 0.00001
Ordinary shares, shares authorized 16,000,000,000 [1]   16,000,000,000 16,000,000,000 [1]  
Ordinary shares, shares issued [1] 2,516,653,606     460,147,059  
Ordinary shares, shares outstanding [1] 2,516,653,606     460,147,059  
Class B Ordinary Shares [Member]          
Ordinary shares, par value | $ / shares [1]   0.00001     $ 0.00001
Ordinary shares, shares authorized 800,000,000 [1]   800,000,000 800,000,000 [1]  
Ordinary shares, shares issued [1] 342,773,160      
Ordinary shares, shares outstanding [1] 342,773,160      
Series A Redeemable Convertible Preferred Shares          
Temporary Equity, Shares Authorized [1] 387,781,378     387,781,378  
Temporary Equity, Par or Stated Value Per Share | $ / shares [1]   0.00001      
Temporary Equity, Redemption value | ¥ [1]     ¥ 56,098  
Series B Redeemable Convertible Preferred Shares          
Temporary Equity, Shares Authorized [1] 703,901,412     703,901,412  
Temporary Equity, Par or Stated Value Per Share | $ / shares [1]   0.00001      
Temporary Equity, Redemption value | ¥ [1]     ¥ 787,739  
Series C Redeemable Convertible Preferred Shares          
Temporary Equity, Shares Authorized [1] 517,022,352     517,022,352  
Temporary Equity, Par or Stated Value Per Share | $ / shares [1]   0.00001      
Temporary Equity, Redemption value | ¥ [1]     ¥ 181,992  
Series C-1 Redeemable Convertible Preferred Shares          
Temporary Equity, Shares Authorized [1] 357,323,044     357,323,044  
Temporary Equity, Par or Stated Value Per Share | $ / shares [1]   0.00001      
Temporary Equity, Redemption value | ¥ [1]     ¥ 153,660  
Series C-2 Redeemable Convertible Preferred Shares          
Temporary Equity, Shares Authorized [1] 220,757,061     220,757,061  
Temporary Equity, Par or Stated Value Per Share | $ / shares [1]   0.00001      
Temporary Equity, Redemption value | ¥ [1]     ¥ 189,973  
Series D Redeemable Convertible Preferred Shares          
Temporary Equity, Shares Authorized [1] 95,320,147     95,320,147  
Temporary Equity, Par or Stated Value Per Share | $ / shares [1]   $ 0.00001      
Temporary Equity, Redemption value | ¥ [1]     ¥ 136,115  
[1] On May 12, 2025, the Company amended its memorandum and articles of association to increase the authorized share capital to 20,000,000,000 shares, comprising 16,000,000,000 Class A ordinary shares and 800,000,000 Class B ordinary shares, with the remaining 3,200,000,000 shares to be designated by the Board of Directors, with a par value of US$0.00001 each. On August 19, 2025, the Company completed its initial public offering (IPO) and was listed on Nasdaq, all preferred shares were converted into Class A ordinary shares.