v3.26.1
Parent Company Only Condensed Financial Information - Balance Sheet (Details)
¥ in Thousands
Dec. 31, 2025
CNY (¥)
shares
Dec. 31, 2025
$ / shares
May 01, 2025
$ / shares
shares
Dec. 31, 2024
CNY (¥)
shares
Dec. 31, 2024
$ / shares
Dec. 31, 2023
CNY (¥)
shares
Dec. 31, 2022
CNY (¥)
shares
Current assets:              
Cash and cash equivalents | ¥ ¥ 860,455     ¥ 1,904,674   ¥ 863,118  
Prepayments and other current assets, net | ¥ 29,768     75,964      
Total current assets | ¥ 4,458,040     2,672,813      
Non-current assets:              
Total non-current assets | ¥ 197,528     106,827      
TOTAL ASSETS | ¥ 4,655,568     2,779,640      
Current liabilities              
Accrued expenses and other current liabilities | ¥ 777,416     586,990      
Total current liabilities | ¥ 1,138,726     940,811      
TOTAL LIABILITIES | ¥ 1,309,273     992,555      
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       3,420,882   2,990,951 ¥ 2,454,892
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Ordinary shares | ¥       71      
Additional paid in capital | ¥ 3,179,602     198,664      
Accumulated deficit | ¥ (72,851)     (1,932,128)      
Statutory reserves | ¥ 230,033     80,975   0  
Accumulated other comprehensive income | ¥ 9,321     18,621      
TOTAL SHAREHOLDERS' (DEFICIT)/EQUITY: | ¥ 3,346,295     (1,633,797)   ¥ (2,137,385) ¥ (1,880,347)
TOTAL LIABILITIES, MEZZANINE EQUITY AND SHAREHOLDERS' (DEFICIT)/EQUITY | ¥ ¥ 4,655,568     ¥ 2,779,640      
Convertible redeemable preferred shares, shares outstanding (in shares) | shares       151,086,581   151,086,581 151,086,581
Ordinary shares, par value (in dollars per share) | $ / shares         $ 0.0001    
Ordinary shares, shares authorized (in shares) | shares     500,000,000 348,913,419      
Ordinary shares, shares issued (in shares) | shares       106,994,625      
Ordinary shares, shares outstanding (in shares) | shares       106,994,625      
Series Seed convertible redeemable preferred shares              
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       ¥ 692,051   ¥ 563,088 ¥ 430,851
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Convertible redeemable preferred stock, par value (in dollars per share) | $ / shares   $ 0.0001     0.0001    
Convertible redeemable preferred shares, shares authorized (in shares) | shares     30,769,231      
Convertible redeemable preferred shares, shares issued (in shares) | shares     30,769,231      
Convertible redeemable preferred shares, shares outstanding (in shares) | shares     30,769,231   30,769,231 30,769,231
Series Angel convertible redeemable preferred shares              
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       ¥ 495,921   ¥ 406,113 ¥ 312,510
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Convertible redeemable preferred stock, par value (in dollars per share) | $ / shares   0.0001     0.0001    
Convertible redeemable preferred shares, shares authorized (in shares) | shares     21,978,022      
Convertible redeemable preferred shares, shares issued (in shares) | shares     21,978,022      
Convertible redeemable preferred shares, shares outstanding (in shares) | shares     21,978,022   21,978,022 21,978,022
Series B convertible redeemable preferred shares              
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       ¥ 1,028,888   ¥ 867,956 ¥ 685,325
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Convertible redeemable preferred stock, par value (in dollars per share) | $ / shares   0.0001     0.0001    
Convertible redeemable preferred shares, shares authorized (in shares) | shares     45,315,510      
Convertible redeemable preferred shares, shares issued (in shares) | shares     45,315,510      
Convertible redeemable preferred shares, shares outstanding (in shares) | shares     45,315,510   45,315,510 45,315,510
Series C1 convertible redeemable preferred shares              
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       ¥ 851,362   ¥ 816,130 ¥ 726,861
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Convertible redeemable preferred stock, par value (in dollars per share) | $ / shares   0.0001     0.0001    
Convertible redeemable preferred shares, shares authorized (in shares) | shares     37,373,616      
Convertible redeemable preferred shares, shares issued (in shares) | shares     37,373,616      
Convertible redeemable preferred shares, shares outstanding (in shares) | shares     37,373,616   37,373,616 37,373,616
Series C2 convertible redeemable preferred shares              
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       ¥ 352,660   ¥ 337,664 ¥ 299,345
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Convertible redeemable preferred stock, par value (in dollars per share) | $ / shares   0.0001     0.0001    
Convertible redeemable preferred shares, shares authorized (in shares) | shares     15,650,202      
Convertible redeemable preferred shares, shares issued (in shares) | shares     15,650,202      
Convertible redeemable preferred shares, shares outstanding (in shares) | shares     15,650,202   15,650,202 15,650,202
Class A ordinary shares              
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Ordinary shares | ¥ ¥ 135            
Ordinary shares, par value (in dollars per share) | $ / shares   0.0001 $ 0.0001   0.0001    
Ordinary shares, shares authorized (in shares) | shares 300,000,000   300,000,000      
Ordinary shares, shares issued (in shares) | shares 194,348,706          
Ordinary shares, shares outstanding (in shares) | shares 194,348,706          
Class B ordinary shares              
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Ordinary shares | ¥ ¥ 55            
Ordinary shares, par value (in dollars per share) | $ / shares   0.0001 $ 0.0001   0.0001    
Ordinary shares, shares authorized (in shares) | shares 100,000,000   100,000,000      
Ordinary shares, shares issued (in shares) | shares 82,132,500          
Ordinary shares, shares outstanding (in shares) | shares 82,132,500          
Parent company | Reportable legal entity              
Current assets:              
Cash and cash equivalents | ¥ ¥ 175,993     ¥ 274,478      
Prepayments and other current assets, net | ¥ 451     11,556      
Amounts due from subsidiaries | ¥ 310,097     18,101      
Total current assets | ¥ 486,541     304,135      
Non-current assets:              
Investment in subsidiaries and the VIE | ¥ 2,971,039     1,571,061      
Total non-current assets | ¥ 2,971,039     1,571,061      
TOTAL ASSETS | ¥ 3,457,580     1,875,196      
Current liabilities              
Accrued expenses and other current liabilities | ¥ 5,780     16,227      
Amounts due to subsidiaries | ¥ 105,505     71,884      
Total current liabilities | ¥ 111,285     88,111      
TOTAL LIABILITIES | ¥ 111,285     88,111      
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       3,420,882      
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Ordinary shares | ¥       71      
Additional paid in capital | ¥ 3,179,602     198,664      
Accumulated deficit | ¥ (72,851)     (1,932,128)      
Statutory reserves | ¥ 230,033     80,975      
Accumulated other comprehensive income | ¥ 9,321     18,621      
TOTAL SHAREHOLDERS' (DEFICIT)/EQUITY: | ¥ 3,346,295     (1,633,797)      
TOTAL LIABILITIES, MEZZANINE EQUITY AND SHAREHOLDERS' (DEFICIT)/EQUITY | ¥ ¥ 3,457,580     ¥ 1,875,196      
Ordinary shares, par value (in dollars per share) | $ / shares         0.0001    
Ordinary shares, shares authorized (in shares) | shares       348,913,419      
Ordinary shares, shares issued (in shares) | shares       106,994,625      
Ordinary shares, shares outstanding (in shares) | shares       106,994,625      
Parent company | Reportable legal entity | Series Seed convertible redeemable preferred shares              
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       ¥ 692,051      
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Convertible redeemable preferred stock, par value (in dollars per share) | $ / shares   0.0001     0.0001    
Convertible redeemable preferred shares, shares authorized (in shares) | shares     30,769,231      
Convertible redeemable preferred shares, shares issued (in shares) | shares     30,769,231      
Convertible redeemable preferred shares, shares outstanding (in shares) | shares     30,769,231      
Parent company | Reportable legal entity | Series Angel convertible redeemable preferred shares              
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       ¥ 495,921      
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Convertible redeemable preferred stock, par value (in dollars per share) | $ / shares   0.0001     0.0001    
Convertible redeemable preferred shares, shares authorized (in shares) | shares     21,978,022      
Convertible redeemable preferred shares, shares issued (in shares) | shares     21,978,022      
Convertible redeemable preferred shares, shares outstanding (in shares) | shares     21,978,022      
Parent company | Reportable legal entity | Series B convertible redeemable preferred shares              
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       ¥ 1,028,888      
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Convertible redeemable preferred stock, par value (in dollars per share) | $ / shares   0.0001     0.0001    
Convertible redeemable preferred shares, shares authorized (in shares) | shares     45,315,510      
Convertible redeemable preferred shares, shares issued (in shares) | shares     45,315,510      
Convertible redeemable preferred shares, shares outstanding (in shares) | shares     45,315,510      
Parent company | Reportable legal entity | Series C1 convertible redeemable preferred shares              
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       ¥ 851,362      
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Convertible redeemable preferred stock, par value (in dollars per share) | $ / shares   0.0001     0.0001    
Convertible redeemable preferred shares, shares authorized (in shares) | shares     37,373,616      
Convertible redeemable preferred shares, shares issued (in shares) | shares     37,373,616      
Convertible redeemable preferred shares, shares outstanding (in shares) | shares     37,373,616      
Parent company | Reportable legal entity | Series C2 convertible redeemable preferred shares              
MEZZANINE EQUITY:              
TOTAL MEZZANINE EQUITY | ¥       ¥ 352,660      
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Convertible redeemable preferred stock, par value (in dollars per share) | $ / shares   0.0001     0.0001    
Convertible redeemable preferred shares, shares authorized (in shares) | shares     15,650,202      
Convertible redeemable preferred shares, shares issued (in shares) | shares     15,650,202      
Convertible redeemable preferred shares, shares outstanding (in shares) | shares     15,650,202      
Parent company | Reportable legal entity | Class A ordinary shares              
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Ordinary shares | ¥ ¥ 135            
Ordinary shares, par value (in dollars per share) | $ / shares   0.0001     0.0001    
Ordinary shares, shares authorized (in shares) | shares 300,000,000     0      
Ordinary shares, shares issued (in shares) | shares 194,348,706     0      
Ordinary shares, shares outstanding (in shares) | shares 194,348,706     0      
Parent company | Reportable legal entity | Class B ordinary shares              
SHAREHOLDERS' (DEFICIT)/EQUITY:              
Ordinary shares | ¥ ¥ 55            
Ordinary shares, par value (in dollars per share) | $ / shares   $ 0.0001     $ 0.0001    
Ordinary shares, shares authorized (in shares) | shares 100,000,000     0      
Ordinary shares, shares issued (in shares) | shares 82,132,500     0      
Ordinary shares, shares outstanding (in shares) | shares 82,132,500     0