anime, dark aesthetic, futurism，science-fiction ,bird's-eye view, exquisite detail, night, a young man with deep gray hair and purple eyes, seated on the edge of a tall building, handsome and romantic charming，sidelit, dark tones, illuminated by neon lights and chemical glow. 反乌托邦 未来都市 末日城市 荧光霓虹灯 化学发光