詳細後台鏡子自拍分析提示

```json
{
"metadata": {
"confidence_score": "高",
"image_type": "照片",
"primary_purpose": "社群媒體/幕後花絮/隨拍"
},
"composition": {
"rule_applied": "置中構圖",
"aspect_ratio": "3:4 垂直",
"layout": "單一主體",
"focal_points": [
"主體的臉部和上半身",
"波點手機殼的智慧型手機"
],
"visual_hierarchy": "視線被主體的臉部吸引，然後移到手機殼，再沿著軀幹向下到服裝細節，最後掃視雜亂的後台環境。",
"balance": "不對稱 - 左側有大量黑色負空間，右側細節雜亂，主體置中"
},
"color_profile": {
"dominant_colors": [
{
"color": "鏽白色",
"hex": "#8A5A4A",
"percentage": "15%",
"role": "主體服裝（上衣）"
},
{
"color": "啞光黑",
"hex": "#151515",
"percentage": "45%",
"role": "背景窗簾/手機/裙子"
},
{
"color": "淺瓷膚色",
"hex": "#F3E2D5",
"percentage": "20%",
"role": "主要主體"
},
{
"color": "白金色",
"hex": "#E6D6B8",
"percentage": "15%",
"role": "頭髮"
},
{
"color": "膠合板米色",
"hex": "#A89F91",
"percentage": "5%",
"role": "天花板結構"
}
],
"color_palette": "中性色調帶暖色點綴（棕色/金色對比黑色）",
"temperature": "混合 - 冷黑色對比皮膚上的暖色人造光",
"saturation": "中等",
"contrast": "高對比度（明亮主體對比深色背景）"
},
"lighting": {
"type": "人造光/後台化妝燈",
"source_count": "多個光源（可能為化妝鏡陣列）",
"direction": "前方",
"directionality": "中等定向性",
"quality": "硬光",
"intensity": "明亮",
"contrast_ratio": "高對比度",
"mood": "原始/隨拍/後台/前衛",
"shadows": {
"type": "清晰分明的邊緣",
"density": "深黑色",
"placement": "主體後方的黑窗簾上",
"length": "短"
},
"highlights": {
"treatment": "鏡面反射",
"placement": "額頭、鼻樑、鎖骨、肩膀、顴骨"
},
"ambient_fill": "極少 - 衰減迅速",
"light_temperature": "中性/略帶冷白色"
},
"technical_specs": {
"medium": "數位相機（智慧型手機鏡面自拍）",
"style": "寫實/隨拍/快照",
"texture": "略帶顆粒感/可見數位噪點",
"sharpness": "中等銳利",
"grain": "數位噪點（暗部可見 ISO 顆粒）",
"depth_of_field": "深景深 - 由於廣角鏡頭和小感光元件，一切都相對清晰",
"perspective": "視線水平/鏡面反射"
},
"artistic_elements": {
"genre": "自拍/名人風格/幕後花絮",
"influences": [
"K-pop 偶像美學",
"Y2K 復古時尚",
"隨性 Instagram 限時動態"
],
"mood": "酷/漫不經心/自信/匆忙",
"atmosphere": "後台混亂、表演前準備、真實記錄",
"visual_style": "雜亂/真實/閃光燈美學"
},
"typography": {
"present": true,
"fonts": [
{
"type": "無襯線字體",
"wei"
```