上传汽车图片，输入提示词即可自动抠图换背景，生成汽车海报宣传图

提示词编写示例：

a car is displayed in the center of an abstract background,Photograph of a modern,minimalist building with smooth,white,curvilinear architecture. Large,floor-to-ceiling glass windows reflect the clear blue sky. The structure features rounded,organic shapes and a sleek,polished concrete floor. A solitary orange chair sits on a balcony. The scene is serene and futuristic,evoking a sense of calm and simplicity,