身份锁定街头写实男性肖像

{ "prompt": "Ultra-realistic street portrait of a young man standing casually.\nBody facing forward.\nHead turned slightly to the side looking off-frame.\nOne hand in pocket, relaxed posture.\nWearing plain black oversized t-shirt.\nBlack cargo pants.\nMinimal chain necklace.\nWristwatch.\nCurly textured hair.\nLight beard.\nSoft natural daylight.\nBlurred urban background.\nShallow depth of field.\nDSLR photography.\nCinematic color grading.\nHigh realism.\nVertical 4:5 ratio.\nUse my uploaded image for face reference with 100% accuracy — preserve original facial identity and style." }