Lease - Schedule of Lease Cost (Details) |
6 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2026
CNY (¥)
|
Jun. 30, 2025
CNY (¥)
|
Dec. 31, 2025
CNY (¥)
|
Jun. 30, 2026
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2024
CNY (¥)
|
|
| ASSETS | ||||||||
| Right-of-use assets | $ 679,874 | ¥ 3,597,572 | ¥ 4,613,011 | $ 624,314 | ¥ 4,236,029 | ¥ 3,818,363 | ||
| Less: impairment | 679,874 | ¥ 4,613,011 | ¥ 4,236,029 | |||||
| Right-of-use assets, net | ||||||||
| LIABILITIES | ||||||||
| Operating lease liabilities – current | 277,586 | 1,883,447 | 1,545,002 | |||||
| Operating lease liabilities – non-current | 118,510 | ¥ 804,099 | ¥ 1,294,510 | |||||
| Operating cash payments for operating leases | $ 64,096 | ¥ 434,897 | ¥ 776,055 | |||||