v3.26.1
Summary of Significant Accounting Policies (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2022
CNY (¥)
Summary of Significant Accounting Policies [Line Items]              
Accumulated deficit ¥ (4,703,305)   ¥ (4,618,595)   $ (672,564)    
Net loss (86,006) $ (12,299) 28,303 ¥ (93,104)      
Operating activities (60,194) (8,606) (60,370) (186,118)      
Cash and cash equivalents 29,328   75,351 121,733 $ 4,194    
Foreign currency transaction gain (Loss), before tax ¥ 5,345 $ 764 (8,419) 333      
Calculated at the rate 6.9931       6.9931    
Bank balance ¥ 659   10,548        
Restricted bank balance 2,672   3,585        
Accounts receivable ¥ 642,786   640,394 614,246     ¥ 557,073
Percentage of accounts receivable 6.00% 6.00%          
Accounts receivable ¥ 19,478   52,994 57,422      
Loans receivable 0   0        
Inventory net (in Dollars) | $          
Impairment loss 12,032 $ 1,721      
Impairment for right-of-use lease assets 0   0 0      
Impairment loss of equity method 44,435 6,354 4,029 15,279      
Impairment Loss For Long term Equity Investment ¥ 1,000 $ 143 1,000 3,000      
Appropriation general reserve fund minimum 10.00% 10.00%          
Appropriation general reserve fund maximum 50.00% 50.00%          
Surplus fund minimum 10.00% 10.00%          
Surplus fund maximum 50.00% 50.00%          
Appropriation general reserve        
Appropriation discretionary funds            
Comprehensive loss ¥ 8,742   ¥ 8,242 ¥ 8,130      
Segment description The Company’s CODM has been identified as the chief executive officer (the “CEO”), who reviews consolidated results when making decisions about allocating resources and assessing performance of the Company. The Company’s CODM has been identified as the chief executive officer (the “CEO”), who reviews consolidated results when making decisions about allocating resources and assessing performance of the Company.          
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Chief Executive Officer Chief Executive Officer          
Operating segment 1 1          
US [Member]              
Summary of Significant Accounting Policies [Line Items]              
Calculated at the rate 1       1    
Continuing Operations [Member]              
Summary of Significant Accounting Policies [Line Items]              
Operating activities ¥ (60,194)            
Minimum [Member]              
Summary of Significant Accounting Policies [Line Items]              
Loan receivable term     1 year        
Loans Receivable [Member] | Minimum [Member]              
Summary of Significant Accounting Policies [Line Items]              
Loan receivable term 30 days 30 days          
Loans Receivable [Member] | Maximum [Member]              
Summary of Significant Accounting Policies [Line Items]              
Loan receivable term 5 years 5 years