戏剧性高对比度窗边人像
一个高度结构化、JSON 格式的 Gemini Nano Banana Pro 提示词，详细描述了一幅身穿深色外套的男性肖像，画面具有戏剧性、高对比度，强调了特定的构图规则、色彩配置文件和硬质窗户光线，以实现精致、电影般的秋日效果。
nano-banana-pro · 产品营销 · 人像 / 自拍 · 摄影 · 网红 / 模特
中文提示词
```json { "metadata": { "image_type": "照片", "primary_purpose": "肖像/专题" }, "composition": { "rule_applied": "居中构图", "aspect_ratio": "3:4", "layout": "单一主体", "focal_points": [ "主体的面部和玳瑁墨镜", "背景砖房的白色推拉窗" ], "visual_hierarchy": "视线从主体明亮的面部和墨镜开始，向下移动到深色外套的醒目翻领线条，然后转向背景纹理化的建筑和金黄色的秋树。", "balance": "不对称 - 主体居中，但右侧厚重的建筑元素与左侧明亮的黄色树木形成平衡" }, "color_profile": { "dominant_colors": [ { "color": "深海军蓝/黑色", "hex": "#0D1117", "percentage": "45%", "role": "主要主体" }, { "color": "暖棕色/灰色", "hex": "#73655D", "percentage": "35%", "role": "背景" }, { "color": "金黄色", "hex": "#D19C4C", "percentage": "10%", "role": "点缀" } ], "color_palette": "互补色", "temperature": "暖色调", "saturation": "适中", "contrast": "高对比度" }, "lighting": { "type": "自然窗光", "source_count": "单一光源", "direction": "45 度侧光", "directionality": "高度定向", "quality": "硬光", "intensity": "明亮", "contrast_ratio": "高对比度（戏剧性阴影）", "mood": "戏剧性", "shadows": { "type": "清晰分明的硬边", "density": "深黑色", "placement": "主体面部、颈部右侧和外套内部有浓重阴影；砖墙上可见建筑元素的投影", "length": "中等" }, "highlights": { "treatment": "保留", "placement": "在左脸颊、下颌线、鼻梁和头发左侧" }, "ambient_fill": "无", "light_temperature": "暖色调（金色）" }, "technical_specs": { "medium": "数码摄影", "style": "写实", "texture": "锐利", "sharpness": "极度锐利", "grain": "无", "depth_of_field": "中景深", "perspective": "正面直视" }, "artistic_elements": { "genre": "肖像", "influences": [ "街头时尚摄影", "男装专题" ], "mood": "精致", "atmosphere": "清爽秋日黄金时段，具有电影般的、结构化的都市感", "visual_style": "结构化" }, "typography": { "present": false, "fonts": [ { "type": "无衬线字体", "weight": "常规", "characteristics": "现代" } ], "placement": "无", "integration": "微妙" }, "subject_analysis": { "primary_subject": "30 多岁的白人男性，身穿厚重的深海军蓝羊毛大衣，内搭深色圆领毛衣，佩戴玳瑁墨镜。发型分析：顶部长度约 3-4 英寸，两侧逐渐变细至 1-1.5 英寸，采用经典的商务轮廓/侧分发型。分界线位于左侧深处，约 1.5 英寸" } } ```
原始提示词
{ "metadata": { "image_type": "photograph", "primary_purpose": "portrait/editorial" }, "composition": { "rule_applied": "center composition", "aspect_ratio": "3:4", "layout": "single subject", "focal_points": [ "Subject's face and tortoiseshell sunglasses", "The white sash windows in the background brick building" ], "visual_hierarchy": "Eye starts at the subject's brightly lit face and sunglasses, moves down the strong lapel lines of the dark coat, then out to the textured background building and yellow autumn tree.", "balance": "asymmetric - subject is centered, but heavy architectural elements on the right are balanced by the brightly lit yellow tree on the left" }, "color_profile": { "dominant_colors": [ { "color": "Dark Navy/Black", "hex": "#0D1117", "percentage": "45%", "role": "primary subject" }, { "color": "Warm Brown/Grey", "hex": "#73655D", "percentage": "35%", "role": "background" }, { "color": "Golden Yellow", "hex": "#D19C4C", "percentage": "10%", "role": "accent" } ], "color_palette": "complementary", "temperature": "warm", "saturation": "moderate", "contrast": "high contrast" }, "lighting": { "type": "natural window", "source_count": "single source", "direction": "45-degree side", "directionality": "highly directional", "quality": "hard light", "intensity": "bright", "contrast_ratio": "high contrast (dramatic shadows)", "mood": "dramatic", "shadows": { "type": "harsh defined edges", "density": "deep black", "placement": "heavy on the right side of the subject's face, neck, and inside the coat; cast shadows from building elements visible on the brick wall", "length": "medium" }, "highlights": { "treatment": "preserved", "placement": "on left cheek, jawline, nose bridge, and the left side of the hair" }, "ambient_fill": "absent", "light_temperature": "warm (golden)" }, "technical_specs": { "medium": "digital photography", "style": "realistic", "texture": "sharp", "sharpness": "tack sharp", "grain": "none", "depth_of_field": "medium", "perspective": "straight on" }, "artistic_elements": { "genre": "portrait", "influences": [ "Street style fashion photography", "Menswear editorial" ], "mood": "sophisticated", "atmosphere": "Crisp autumn golden hour with a cinematic, structured urban feel", "visual_style": "structured" }, "typography": { "present": false, "fonts": [ { "type": "sans-serif", "weight": "regular", "characteristics": "modern" } ], "placement": "none", "integration": "subtle" }, "subject_analysis": { "primary_subject": "Caucasian male in his 30s wearing a heavy dark navy wool overcoat over a dark crewneck sweater, accessorized with tortoiseshell sunglasses. Hair analysis: Length is approximately 3-4 inches on top, tapering to 1-1.5 inches on the sides, styled in a classic executive contour/side-part. The part is located deep on the left side, about 1.5 inche