电商主图 - 分屏产品广告海报

{
  "type": "分屏电商广告海报",
  "style": "高端照片级真实感零售营销图形，高对比度，精致的商业照明，简洁醒目的排版，现代直接响应式广告设计",
  "canvas": {
    "aspect_ratio": "4:3",
    "background": "黑色外边框，圆角海报设计"
  },
  "layout": {
    "orientation": "垂直分屏",
    "sections": [
      {
        "title": "左侧产品广告",
        "position": "左半部分",
        "count": 1,
        "product": "双肩包",
        "headline_lines_count": 2,
        "cta_count": 1,
        "footer_count": 1
      },
      {
        "title": "右侧产品广告",
        "position": "右半部分",
        "count": 1,
        "product": "智能手表",
        "headline_lines_count": 2,
        "cta_count": 1,
        "footer_count": 1
      }
    ],
    "divider": "居中硬分割线"
  },
  "text": {
    "left": {
      "eyebrow": "{argument name=\"left eyebrow text\" default=\"都市\"}",
      "headline": "{argument name=\"left headline text\" default=\"蓄势待发\"}",
      "features": "真皮材质 • 15 英寸笔记本电脑隔层 • 防水",
      "button": "立即购买",
      "footer": "免运费 • 库存有限"
    },
    "right": {
      "headline": "{argument name=\"right headline text\" default=\"追踪每一次心跳\"}",
      "features": "心率监测 • GPS • 14 天超长续航",
      "button": "立即购买",
      "footer": "免运费 • 库存有限"
    }
  },
  "left_panel": {
    "scene": "质朴的室内环境，温暖的自然光从侧面射入",
    "background_details_count": 3,
    "background_details": [
      "斑驳的墙面或木质室内表面",
      "可以看到窗外柔和绿植的窗户",
      "带有质感的地面"
    ],
    "product": {
      "type": "{argument name=\"left product\" default=\"棕色真皮双肩包\"}",
      "position": "左下中心位置，直立放置于地面",
      "material": "质感丰富的抛光皮革",
      "color": "深棕色",
      "details_count": 5,
      "details": [
        "顶部提手",
        "双拉链顶部开口",
        "大型前置拉链袋",
        "左侧可见侧袋",
        "结构化的长方形轮廓"
      ]
    },
    "supporting_props_count": 2,
    "supporting_props": [
      "一副深色太阳镜",
      "放置在双肩包旁的一本小棕色笔记本"
    ],
    "lighting": "来自左上方的温暖电影感阳光，营造出柔和的高光和大地色阴影",
    "button_style": "白色长方形按钮，位于左面板下方中间位置，配有黑色大写文字"
  },
  "right_panel": {
    "scene": "深色摄影棚产品拍摄，带有冷色调的情绪化聚光灯",
    "background": "深海军蓝至黑色的渐变",
    "product": {
      "type": "圆形黑色智能手表",
      "position": "右半部分垂直和水平居中",
      "details_count": 5,
      "details": [
        "圆形黑色表盘",
        "屏幕中心显示发光的白紫色心形图标",
        "深色金属表壳",
        "右侧边缘可见两个侧边按钮",
        "精细金属网状表带"
      ]
    },
    "surface": "光滑的摄影棚地面，手表下方有柔和的圆形阴影",
    "lighting": "来自上方和后侧方的冷色调聚光灯，营造出轮廓光和戏剧性的阴影",
    "button_style": "白色长方形按钮，位于右面板下方中间位置，配有黑色大写文字"
  },
  "typography": {
    "font": "粗体压缩无衬线大写字体",
    "color": "白色",
    "alignment": "在每个面板内居中",
    "feature_line_style": "较小的全大写副标题，带有项目符号分隔符"
  }
}