Unlike [USER=67375]@NSun[/USER]'s previous experience in 2018, both immigration and customs were a (summer) breeze. I proceeded to the T3 Arrivals exit 9 for the airport shuttle minibus and bought a ticket from the counter for RMB15.
The shuttle drops off across from the Xiamen (Lundu) Ferry Terminal, which is a short convenient walk to the pedestrianised mall of Zhongshan Road near the accommodation I booked. This is where the drama began to unfold...