卡通手绘风机场候机大厅蓝天白云飞机旅行出发插画

minimalist style illustration, main color scheme of blue and gray, cold tones, airport waiting area in foreground with neatly arranged seats, large glass windows in the middle, blue sky and clouds outside, airplane in background taking off or landing, modern and serene atmosphere, spacious and bright environment, clean and orderly visual effect