摄影棚写实肖像，琥珀色太阳镜

Vertical 4:5 photoreal studio portrait. Stylish man in a three-quarter back pose turning his head over his left shoulder toward camera, slight smirk. Short textured dark hair with volume, neat full beard and mustache. Rectangular amber-tinted sunglasses with brown frames. Wardrobe: oversized cream/ivory chunky-knit sweater with vertical forest-green stripes and a few bold red stripes on sleeve and body; ribbed cuffs and hem; light beige trousers. Seamless bold red backdrop with a vignette/gradient; strong key light from camera-left creating a crisp side shadow of the subject on the background to camera-right; soft rim on hair and shoulder; warm skin tones, detailed knit texture. Mid-torso framing, left arm slightly forward, simple dark ring on hand. High contrast, minimal grain, clean studio look, no text. signature " Negative prompt: watermarks, logos, brand names, extra people, messy background, motion blur, oversaturation, cartoon/CGI look, flat lighting, distorted hands. Settings: - ar 4:5; 85mm look, f/4; 1536×1920; CFG 6–8; 28–40 steps; fixed seed.