主图视角下的Kpop 偶像周子瑜在城市人行道上行走

{
"prompt": "Kpop 偶像周子瑜在城市人行道上行走，并排图像。提着一个铆钉黑色包。她留着深棕色长发，戴着黑色太阳镜，穿着一件亮面黑色乙烯基长袖束腰连身短裤，黑色透明丝袜和黑色细高跟鞋。白天城市街道背景。--ar 3:4",
"subject": {
"hair": "深棕色长直发",
"skin": "白皙的东亚肤色",
"eyewear": "黑色猫眼太阳镜"
},
"outfit": {
"material": "亮面黑色乙烯基或乳胶",
"top": "高领荷叶边长袖，肩部有褶皱，正面有接缝",
"bottom": "配套的黑色乙烯基超短裤",
"waist": "带银色五金件的黑色腰带",
"legs": "黑色透明连裤袜",
"footwear": "黑色尖头细高跟鞋"
},
"pose": "自信地向前走，迈步中。左腿在前，左臂提包向下，右臂略微向后。",
"items": [
"带银色铆钉的小型黑色手提包",
"太阳镜"
],
"background": {
"setting": "城市白天人行道",
"details": "灰色混凝土路面，深色店面柱子，反光玻璃，模糊的行人和车辆。"
},
"color_grading": {
"tone": "冷色调，日光，高对比度",
"lighting": "漫射亮光，亮面服装上有强烈的白色高光"
},
"exact_colors": {
"glossy_black": "#0D0D0F",
"vinyl_highlights": "#E0E2E5",
"dark_brown_hair": "#3A2A22",
"skin_tone": "#F3D7CA",
"sheer_tights": "#453430",
"concrete_grey": "#929495",
"background_blue": "#3E576B"
}
}。细化：明确指定渲染引擎（Octane / Unreal / Redshift）可大幅提升画面质感。