Nano Banana 2 提示词 - 红日光环前的银发绅士

A sophisticated studio portrait of a mature, silver-haired man with a neatly trimmed beard, wearing a sleek black tailored suit with a black turtleneck, standing confidently with one hand in his pocket, minimal pose, against a bold red gradient backdrop with a large glowing circular light behind him resembling a sun, dramatic lighting, high contrast, luxury fashion editorial style, sharp focus, ultra-detailed skin texture, cinematic color grading, modern minimalism, clean composition, premium magazine aesthetic, Camera: Medium format or full-frame (e.g., Hasselblad X2D / Sony A1) Lens: 85mm or 105mm prime (portrait compression) Aperture: f/4 (sharp subject with slight separation) Shutter Speed: 1/160 ISO: 100 White Balance: Warm (to enhance red tones) Focus: Eye autofocus, tack sharp, Key Light: Softbox from front-left at ~45° Medium softness for controlled shadows on face Fill Light: Very subtle or none (to keep contrast dramatic) Background Lighting: Strong red backdrop (gel or LED wall) Circular spotlight / projection behind subject (simulating a sun halo) Gradient falloff from bright orange-red to deep crimson Rim Light (Optional): Subtle edge light to separate subject from background, Wardrobe: Black suit (matte or satin lapel) Black turtleneck (adds modern luxury tone) Pose: Relaxed, confident stance One hand in pocket Slight lean or angle for depth Expression: Calm, dominant, self-assured Framing: Full or 3/4 body portrait Subject slightly off-center Circular light perfectly framing upper body.