High definition, (above the waist: 1.5), (long-sleeved white shirt: 1.5,) elegant, elegant, artistic, super confident and elegant expression smile, (blurred American dark gray smudged mottled background paper: 1), (background blur: 0.5), vignetting, strong light , high contrast, contour light, studio shooting, blocked light and shadow effects, strong shadows, backlighting, back facing