简约现代3D渲染风格健身房跑步机运动场景商业照片

modern minimalist style, grayscale with white and black, green and blue accents, three adults using treadmills, focused expressions, natural movements, man in gray t-shirt and black shorts, woman in sports tank top and shorts, independent usage, clean bac，中国人像，人像摄影图，浅色，柔和的光线，干净背景