將照片轉為柔和動漫婚禮插畫

```json
{
 "generation_request": {
 "meta_data": {
 "task_type": "photo_to_soft_anime_couple_illustration",
 "language": "zh-TW",
 "priority": "highest",
 "version": "v1.0_SOFT_ANIME_WEDDINGLIKE_COUPLE_RED_SATIN"
 },
 "input": {
 "mode": "image_to_image",
 "reference_image_usage": "high",
 "preserve_identity": true,
 "preserve_facial_features": true,
 "notes": "將上傳的情侶照片轉換為柔和的動漫/插畫風格，類似於參考圖中簡化的面部特徵。保持情侶可辨識。女士穿紅色緞面禮服並手持紅玫瑰。男士穿白色襯衫。背景極簡，呈現優雅的海報質感。"
 },
 "output": {
 "aspect_ratio": "4:5",
 "resolution": "ultra_high",
 "num_images": 2,
 "sharpness": "clean_illustration",
 "grain": "none"
 },
 "style": {
 "render_type": "soft_anime_illustration",
 "linework": "clean_thin_lines",
 "shading": "smooth_pastel_shading",
 "texture": "slight_paper_smooth",
 "palette": "warm_neutrals + vivid_red_accents"
 },
 "scene": {
 "background": "簡約的雙色或柔和純色背景（鼠尾草綠/灰米色），極簡且現代",
 "composition": "3/4 身情侶肖像，親密姿勢，溫柔微笑",
 "pose": "女士略微在前，男士在旁/在後，女士手持花束置中"
 },
 "wardrobe": {
 "woman": "{argument name=\"woman's dress\" default=\"red satin dress\"}，插畫式緞面光澤帶柔和高光",
 "man": "白色鈕扣襯衫，極少褶皺"
 },
 "props": {
 "bouquet": "{argument name=\"bouquet type\" default=\"red roses bouquet\"}，風格化花瓣但清晰可辨為玫瑰"
 },
 "quality_rules": {
 "must": [
 "動漫/插畫風格（非寫實照片）",
 "情侶身份可從參考照片中辨識",
 "紅色緞面禮服 + 紅玫瑰清晰可見",
 "手部和臉部乾淨，沒有多餘手指",
 "無文字/浮水印"
 ]
 },
 "negative_prompt": [
 "寫實照片",
 "超細緻毛孔",
 "3D 渲染",
 "濃重漫畫墨線",
 "凌亂草圖",
 "模糊",
 "多餘手指",
 "變形的手",
 "文字、浮水印、標誌"
 ]
 }
}
```