Literature Reference: 阁道步行月，美人愁烟空。—— 《鼓吹曲辞 上之回》 李白 Walking the moonlit corridor, the beauty grieves in the empty mist. Source from 'Gu Chui Qu Ci: Shang Zhi Hui' by Li Bai.
烟: Smoke, billowing clouds. Herbal essence.
空: The heavens, the expanse.
Meaning: Smoke and emptiness symbolize an ethereal, transcendent state beyond the mundane world.