Shekou port to HK Airport via Ferry- vistara Airlines (to India)

Hey there!

I'm planning a trip from Mainland (Shenzhen) to HK airport. I'm flying with Vistara airlines (to India), but I can't seem to find it listed when booking the ferry ticket (online).
From above Q&A I’m cleared I don’t need visa for HK.
My question - Can I still take ferry to HK airport from Shekou port? How my luggage will be transferred from Shekou port to HK airport ? Is that ferry staff will collect luggage at Shekou port and handover at HK airport terminal ? Does I need to confirm anything with Vistara airlines ?

Thanks in advance!