戲劇性高對比編輯肖像提示

```json
{
"metadata": {
"image_type": "photograph",
"primary_purpose": "portrait"
},
"composition": {
"rule_applied": "三分法",
"aspect_ratio": "垂直人像格式 (約 2:3)",
"layout": "單一主體",
"focal_points": [
"主體的臉部和太陽眼鏡",
"黑色襯衫的開襟 V 領"
],
"visual_hierarchy": "視線從主體的臉部/太陽眼鏡開始，向下移動到未扣鈕襯衫露出的胸部，沿著手臂向下到披著的夾克，然後注意到對比鮮明的石柱。",
"balance": "不對稱"
},
"color_profile": {
"dominant_colors": [
{
"color": "深黑色",
"hex": "#111111",
"percentage": "40%",
"role": "主要主體"
},
{
"color": "暖棕褐色/膚色",
"hex": "#D29B7A",
"percentage": "15%",
"role": "點綴"
}
],
"color_palette": "中性色調搭配暖膚色點綴",
"temperature": "暖色調",
"saturation": "中等",
"contrast": "高對比"
},
"lighting": {
"type": "自然陽光與陰影環境光混合",
"source_count": "單一光源",
"direction": "45 度側面",
"quality": "硬光",
"intensity": "明亮",
"contrast_ratio": "高對比 (戲劇性陰影)",
"mood": "戲劇性"
},
"technical_specs": {
"medium": "數碼攝影",
"style": "寫實",
"texture": "銳利",
"sharpness": "極度銳利",
"grain": "無",
"depth_of_field": "中等",
"perspective": "正面直視"
},
"artistic_elements": {
"genre": "編輯類",
"mood": "自信",
"atmosphere": "大膽、精緻，由於硬陰影和太陽眼鏡而略帶神秘感"
},
"subject_analysis": {
"primary_subject": "穿著深開襟黑色正裝襯衫、黑色長褲和太陽眼鏡的運動型年輕成年男性",
"positioning": "中右",
"scale": "中等"
},
"hair": {
"length": "短",
"cut": "undercut"
}
}
```