高对比度夜景人像，闪光灯与城市灯光

提示词

{ "metadata": { "image_type": "照片", "primary_purpose": "社交媒体/肖像/生活方式" }, "composition": { "rule_applied": "居中构图", "aspect_ratio": "4:5", "layout": "前景单一主体，背景深远开阔", "focal_points": [ "主体被明亮照亮的脸部和清晰的白衬衫", "展示奢华腕表的双手交握", "背景中发光的城市灯光带" ], "visual_hierarchy": "观者的视线首先落在微笑的脸上，随后沿着敞开白衬衫明亮的V形向下移动到摆出的双手和腕表，然后再移向水平延伸的发光城市灯带与山脉剪影。", "balance": "主体居中对称摆放，与略显不对称的背景景观形成对比（右侧有山）" }, "color_profile": { "dominant_colors": [ { "color": "深黑/海军蓝", "hex": "#0D1117", "percentage": "55%", "role": "背景夜空和西装外套" }, { "color": "纯白", "hex": "#FFFFFF", "percentage": "15%", "role": "主体上衣" }, { "color": "暖肤色", "hex": "#C68767", "percentage": "15%", "role": "主体脸部和双手" }, { "color": "金黄色", "hex": "#F4C430", "percentage": "10%", "role": "城市灯光点缀" } ], "color_palette": "互补色（温暖的金色/橙色灯光 vs 清冷的深蓝/黑色阴影）", "temperature": "温暖前景对比冷色/中性深色背景", "saturation": "中等（肤色和灯光鲜明，阴影去饱和程度很高）", "contrast": "高对比" }, "lighting": { "type": "混合光（主体上为直接人造闪光，背景为环境实景灯光）", "source_count": "多个光源——前景一个主闪光，背景有成千上万个点状环境光", "direction": "正面/略微抬高", "directionality": "高度定向的闪光", "quality": "硬光（在下巴、衣领和双手下方形成清晰阴影）", "intensity": "主体明亮/整体低调", "contrast_ratio": "高对比（戏剧性的前景分离感）", "mood": "充满活力/精致/华丽", "shadows": { "type": "边缘尖锐清晰的硬阴影", "density": "深黑", "placement": "下巴下方、衬衫领子后方、双手下方、翻领下方", "length": "短" }, "highlights": { "treatment": "高光反射", "placement": "鼻尖、额头、发丝纹理和腕表表盘上" }, "ambient_fill": "前景中没有", "light_temperature": "中性/略偏暖的闪光" }, "technical_specs": { "medium": "数码摄影", "style": "写实/生活方式", "texture": "光泽感（头发、腕表）与平滑的织物和皮肤形成对比", "sharpness": "主体极其清晰", "grain": "深色背景天空中可见数字噪点", "depth_of_field": "中等（主体清晰，背景遥远但结构可见，几乎没有散景）", "per