戏剧性高对比度编辑肖像提示

```json { "metadata": { "image_type": "photograph", "primary_purpose": "portrait" }, "composition": { "rule_applied": "三分法则", "aspect_ratio": "垂直肖像格式（约 2:3）", "layout": "单一主体", "focal_points": [ "主体的脸部和太阳镜", "黑色衬衫的 V 领开口" ], "visual_hierarchy": "视线从主体的脸部/太阳镜开始，向下移动到未扣扣子的衬衫露出的胸部，沿着手臂向下到披着的夹克，然后注意到对比鲜明的石柱。", "balance": "不对称" }, "color_profile": { "dominant_colors": [ { "color": "深黑色", "hex": "#111111", "percentage": "40%", "role": "主要主体" }, { "color": "暖棕色/肤色", "hex": "#D29B7A", "percentage": "15%", "role": "点缀色" } ], "color_palette": "中性色调，带有温暖的肤色点缀", "temperature": "暖色调", "saturation": "适中", "contrast": "高对比度" }, "lighting": { "type": "自然阳光与阴影环境光混合", "source_count": "单一光源", "direction": "45 度侧面", "quality": "硬光", "intensity": "明亮", "contrast_ratio": "高对比度（戏剧性阴影）", "mood": "戏剧性" }, "technical_specs": { "medium": "数码摄影", "style": "写实", "texture": "锐利", "sharpness": "极度锐利", "grain": "无", "depth_of_field": "中等", "perspective": "正面" }, "artistic_elements": { "genre": "编辑类", "mood": "自信", "atmosphere": "大胆、精致，由于硬朗的阴影和太阳镜，略带神秘感" }, "subject_analysis": { "primary_subject": "一位穿着深 V 领黑色正装衬衫、黑色长裤和太阳镜的运动型年轻成年男性", "positioning": "右中", "scale": "中等" }, "hair": { "length": "短", "cut": "" } } ```