Literature Reference: 宿酲和别思，目眩心忽忽。—— 《和微之诗二十三首 和寄乐天》 The lingering hangover and thoughts of farewell make my mind dizzy and confused. Source from 'He Wei Zhi Shi Er Shi San Shou He Ji Le Tian'.
宿: Celestial Mansions.
酲: Intoxicated to the point of muddled consciousness.
Meaning: Sucheng refers to the lingering effects of a night of drinking, symbolizing reflection and depth with a touch of introspection.