v3.26.3
Cryptocurrencies (Details) - CNY (¥)
Jun. 30, 2026
Dec. 31, 2025
Cryptocurrencies [Abstract]
Collateral for borrowings
¥ 24,593,343
X
- Definition
Amount of collateral for borrowings.
+ References
No definition available.
+ Details
Name:
na_CryptoAssetCollateralForBorrowings
Namespace Prefix:
na_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_CryptoAssetCostAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration