4Prepayments and other current assets Prepayments and other current assets consist of the following: | | | | | | | | | As of | | | December 31, 2025 | | June 30, 2026 | | | RMB | | RMB | | US$ | | | (Audited) | | (Unaudited) | | (Unaudited) | Prepaid service fee | | 6,692 | | 7,719 | | 1,137 | VAT and other surcharges | | 2,590 | | 2,798 | | 412 | Deferred offering expenses | | 1,748 | | 1,424 | | 210 | Office rental deposit | | 467 | | 601 | | 89 | Other deposits | | 1,152 | | 1,450 | | 214 | Contract assets | | 479 | | 430 | | 63 | Prepaid media cost | | 972 | | 221 | | 33 | Receivables from sales of shares on behalf of employees | | 15 | | 168 | | 25 | Others | | 1,191 | | 1,275 | | 186 | Total prepayments and other current assets | | 15,306 | | 16,086 | | 2,369 |
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