US passport on Celebrity Millenium Cruise stay 2 nts pre-cruise in Shanghai

I have US passport and will be on Celebrity Millenium cruise from Shanghai to Hong Kong in January 2017. Will be arriving from US to Shanghai airport, stay in hotel 2 nts pre-cruise in Shanghai then board the Celebrity Millenium at Shanghai Port. The cruise then stay in Shanghai for another 2 nts at port. Can I use the 72 hr or 144 hr free transit for my pre-cruise stay hotel in Shanghai? Please advise.