立秋秋天旅行外出工作生活日常插画

watercolor painting, center composition, Chinese ink wash style:: A traveler sitting by window on high-speed train, gazing out at autumn scenery::1.4 Character details: smiling man in casual sweater, holding small crab-shaped snack, reflection in train window showing falling maple leaves::1.2 Window view: blurred landscape with flying red-yellow leaves, distant mountains, misty atmosphere::0.9 Interior: minimalist train seats, luggage rack with autumn-themed suitcase::0.3 -