v3.25.2
Convertible Redeemable Preferred Shares - Schedule of Convertible Redeemable Preferred Shares (Details) - USD ($)
 3 Months Ended 12 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Schedule of Convertible Redeemable Preferred Shares [Line Items]              
Convertible redeemable preferred shares, Amount at beginning   $ 2,861,748,733   $ 2,326,363,413 $ 2,326,363,413    
Convertible redeemable preferred shares, Amount at ending       $ 2,861,748,733 $ 2,326,363,413  
Series A-1 Preferred Shares [Member]              
Schedule of Convertible Redeemable Preferred Shares [Line Items]              
Convertible redeemable preferred shares at beginning (in Shares) 15,181,000 15,181,000 15,181,000 15,181,000 15,181,000 15,181,000 15,181,000
Convertible redeemable preferred shares, Amount at beginning $ 491,408,970 $ 485,488,380 $ 580,673,250 $ 352,502,820 $ 352,502,820 $ 302,101,880 $ 323,106,619
Issuance of Preferred Shares            
Preferred Shares redemption value accretion   $ 5,920,590 $ 910,860 $ 228,170,430      
Repurchase of preferred shares            
Conversion of preferred shares to ordinary shares (in Shares) (15,181,000)            
Conversion of preferred shares to ordinary shares $ (491,408,970)            
Convertible redeemable preferred shares at ending (in Shares)   15,181,000 15,181,000 15,181,000 15,181,000 15,181,000 15,181,000
Convertible redeemable preferred shares, Amount at ending $ 491,408,970 $ 581,584,110 $ 580,673,250 $ 485,488,380 $ 352,502,820 $ 302,101,880
Series A-2 Preferred Shares [Member]              
Schedule of Convertible Redeemable Preferred Shares [Line Items]              
Convertible redeemable preferred shares at beginning (in Shares) 14,244,000 14,244,000 14,244,000 14,244,000 14,244,000 14,244,000 14,244,000
Convertible redeemable preferred shares, Amount at beginning $ 461,505,600 $ 456,377,760 $ 546,969,600 $ 334,164,240 $ 334,164,240 $ 288,156,120 $ 304,421,139
Issuance of Preferred Shares            
Preferred Shares redemption value accretion   $ 5,127,840 $ 712,200 $ 212,805,360      
Repurchase of preferred shares            
Conversion of preferred shares to ordinary shares (in Shares) (14,244,000)            
Conversion of preferred shares to ordinary shares $ (461,505,600)            
Convertible redeemable preferred shares at ending (in Shares)   14,244,000 14,244,000 14,244,000 14,244,000 14,244,000 14,244,000
Convertible redeemable preferred shares, Amount at ending $ 461,505,600 $ 547,681,800 $ 546,969,600 $ 456,377,760 $ 334,164,240 $ 288,156,120
Series A-3 Preferred Shares [Member]              
Schedule of Convertible Redeemable Preferred Shares [Line Items]              
Convertible redeemable preferred shares at beginning (in Shares) 2,828,899 2,828,899 2,828,899 2,828,899 2,828,899 2,828,899 2,828,899
Convertible redeemable preferred shares, Amount at beginning $ 91,684,617 $ 90,666,213 $ 108,686,300 $ 66,479,127 $ 66,479,127 $ 57,426,649 $ 60,508,715
Issuance of Preferred Shares            
Preferred Shares redemption value accretion   $ 1,018,404 $ 169,734 $ 42,207,173      
Repurchase of preferred shares            
Conversion of preferred shares to ordinary shares (in Shares) (2,828,899)            
Conversion of preferred shares to ordinary shares $ (91,684,617)            
Convertible redeemable preferred shares at ending (in Shares)   2,828,899 2,828,899 2,828,899 2,828,899 2,828,899 2,828,899
Convertible redeemable preferred shares, Amount at ending $ 91,684,617 $ 108,856,034 $ 108,686,300 $ 90,666,213 $ 66,479,127 $ 57,426,649
Series B-1 Preferred Shares [Member]              
Schedule of Convertible Redeemable Preferred Shares [Line Items]              
Convertible redeemable preferred shares at beginning (in Shares) 13,111,999 13,111,999 13,111,999 13,111,999 13,111,999 13,111,999 13,111,999
Convertible redeemable preferred shares, Amount at beginning $ 426,402,207 $ 423,255,328 $ 510,450,121 $ 318,883,816 $ 318,883,816 $ 281,383,499 $ 284,731,410
Issuance of Preferred Shares            
Preferred Shares redemption value accretion   $ 3,146,879 $ 786,720 $ 191,566,305      
Repurchase of preferred shares            
Conversion of preferred shares to ordinary shares (in Shares) (13,111,999)            
Conversion of preferred shares to ordinary shares $ (426,402,207)            
Convertible redeemable preferred shares at ending (in Shares)   13,111,999 13,111,999 13,111,999 13,111,999 13,111,999 13,111,999
Convertible redeemable preferred shares, Amount at ending $ 426,402,207 $ 511,236,841 $ 510,450,121 $ 423,255,328 $ 318,883,816 $ 281,383,499
Series B-2 Preferred Shares [Member]              
Schedule of Convertible Redeemable Preferred Shares [Line Items]              
Convertible redeemable preferred shares at beginning (in Shares) 9,090,900 9,090,900 9,090,900 9,090,900 9,090,900 9,090,900 9,090,900
Convertible redeemable preferred shares, Amount at beginning $ 296,817,885 $ 295,908,795 $ 359,545,095 $ 230,272,497 $ 230,272,497 $ 208,363,428 $ 201,638,532
Issuance of Preferred Shares            
Preferred Shares redemption value accretion   $ 909,090 $ 4,545,450 $ 129,272,598      
Repurchase of preferred shares            
Conversion of preferred shares to ordinary shares (in Shares) (9,090,900)            
Conversion of preferred shares to ordinary shares $ (296,817,885)            
Convertible redeemable preferred shares at ending (in Shares)   9,090,900 9,090,900 9,090,900 9,090,900 9,090,900 9,090,900
Convertible redeemable preferred shares, Amount at ending $ 296,817,885 $ 364,090,545 $ 359,545,095 $ 295,908,795 $ 230,272,497 $ 208,363,428
Series B-3 Preferred Shares [Member]              
Schedule of Convertible Redeemable Preferred Shares [Line Items]              
Convertible redeemable preferred shares at beginning (in Shares) 2,100,000 2,100,000   2,100,000 2,100,000 2,100,000  
Convertible redeemable preferred shares, Amount at beginning $ 68,775,000 $ 68,775,000   $ 55,965,000 $ 55,965,000 $ 50,379,000
Issuance of Preferred Shares (in Shares)         2,100,000
Issuance of Preferred Shares         $ 10,000,000
Preferred Shares redemption value accretion            
Repurchase of preferred shares            
Conversion of preferred shares to ordinary shares (in Shares) (2,100,000)            
Conversion of preferred shares to ordinary shares $ (68,775,000)            
Convertible redeemable preferred shares at ending (in Shares)   2,100,000     2,100,000 2,100,000 2,100,000
Convertible redeemable preferred shares, Amount at ending $ 68,775,000     $ 68,775,000 $ 55,965,000 $ 50,379,000
Series C Preferred Shares [Member]              
Schedule of Convertible Redeemable Preferred Shares [Line Items]              
Convertible redeemable preferred shares at beginning (in Shares) 13,684,800 13,684,800 13,684,800 13,684,800 13,684,800 13,684,800 13,684,800
Convertible redeemable preferred shares, Amount at beginning $ 453,514,272 $ 458,577,648 $ 572,161,488 $ 395,627,568 $ 395,627,568 $ 371,816,016 $ 325,277,607
Issuance of Preferred Shares (in Shares)        
Issuance of Preferred Shares      
Preferred Shares redemption value accretion   $ (5,063,376) $ 1,231,632 $ 176,533,920      
Repurchase of preferred shares            
Conversion of preferred shares to ordinary shares (in Shares) (13,684,800)            
Conversion of preferred shares to ordinary shares $ (453,514,272)            
Convertible redeemable preferred shares at ending (in Shares)   13,684,800 13,684,800 13,684,800 13,684,800 13,684,800 13,684,800
Convertible redeemable preferred shares, Amount at ending $ 453,514,272 $ 573,393,120 $ 572,161,488 $ 458,577,648 $ 395,627,568 $ 371,816,016
Series D Preferred Shares [Member]              
Schedule of Convertible Redeemable Preferred Shares [Line Items]              
Convertible redeemable preferred shares at beginning (in Shares) 12,963,577 12,963,577 12,963,577 11,747,760 11,747,760 11,144,336 11,144,336
Convertible redeemable preferred shares, Amount at beginning $ 593,342,919 $ 582,699,609 $ 690,958,654 $ 572,468,345 $ 572,468,345 $ 406,656,821 $ 405,189,642
Issuance of Preferred Shares (in Shares)       1,215,817 1,215,817 603,424
Issuance of Preferred Shares       $ 40,297,282 $ 40,297,282 $ 20,000,000
Preferred Shares redemption value accretion   $ 10,643,310 $ 2,592,716 $ 78,193,027      
Repurchase of preferred shares (in Shares) (3,017,119)            
Repurchase of preferred shares $ (138,093,537)            
Conversion of preferred shares to ordinary shares (in Shares) (9,946,458)            
Conversion of preferred shares to ordinary shares $ (455,249,382)            
Convertible redeemable preferred shares at ending (in Shares)   12,963,577 12,963,577 12,963,577 12,963,577 11,747,760 11,144,336
Convertible redeemable preferred shares, Amount at ending $ 593,342,919 $ 693,551,370 $ 690,958,654 $ 582,699,609 $ 572,468,345 $ 406,656,821
Series B-3 Preferred Shares [Member]              
Schedule of Convertible Redeemable Preferred Shares [Line Items]              
Convertible redeemable preferred shares at beginning (in Shares)   2,100,000 2,100,000 2,100,000 2,100,000    
Convertible redeemable preferred shares, Amount at beginning     $ 84,924,000 $ 55,965,000 $ 55,965,000    
Issuance of Preferred Shares            
Preferred Shares redemption value accretion     $ 147,000 $ 28,959,000      
Convertible redeemable preferred shares at ending (in Shares)     2,100,000 2,100,000 2,100,000 2,100,000  
Convertible redeemable preferred shares, Amount at ending     $ 85,071,000 $ 84,924,000   $ 55,965,000  
Preferred Shares [Member]              
Schedule of Convertible Redeemable Preferred Shares [Line Items]              
Convertible redeemable preferred shares at beginning (in Shares) 83,205,175 83,205,175 83,205,175 81,989,358 81,989,358 81,385,934 79,285,934
Convertible redeemable preferred shares, Amount at beginning $ 2,883,451,470 $ 2,861,748,733 $ 3,454,368,508 $ 2,326,363,413 $ 2,326,363,413 $ 1,966,283,413 $ 1,831,149,850
Issuance of Preferred Shares (in Shares)       1,215,817 1,215,817 603,424 2,100,000
Issuance of Preferred Shares       $ 40,297,282 $ 40,297,282 $ 20,000,000 $ 10,000,000
Preferred Shares redemption value accretion   $ 21,702,737 $ 11,096,312 $ 1,087,707,813      
Repurchase of preferred shares (in Shares) (3,017,119)            
Repurchase of preferred shares $ (138,093,537)            
Conversion of preferred shares to ordinary shares (in Shares) (80,188,056)            
Conversion of preferred shares to ordinary shares $ (2,745,357,933)            
Convertible redeemable preferred shares at ending (in Shares)   83,205,175 83,205,175 83,205,175 83,205,175 81,989,358 81,385,934
Convertible redeemable preferred shares, Amount at ending $ 2,883,451,470 $ 3,465,464,820 $ 3,454,368,508 $ 2,861,748,733 $ 2,326,363,413 $ 1,966,283,413