โปสเตอร์โปรโมตไลฟ์สตรีมอีคอมเมิร์ซแบบ 3D

{
  "type": "3D e-commerce livestream promotional poster",
  "style": "vibrant purple and gold color scheme, glossy 3D UI elements, neon lighting, soft-focus studio background",
  "typography": {
    "header_pill": "抖音直播",
    "main_title": "[直播中]",
    "subtitle": "[欢迎进直播间]",
    "promo_pill": "[好物推荐 不止5折]"
  },
  "layout": {
    "sections": [
      {
        "title": "feature_cards",
        "position": "middle",
        "count": 3,
        "items": [
          {
            "icon": "purple price tag",
            "text": "大牌好货 正品保障"
          },
          {
            "icon": "red envelope",
            "text": "直播专属 优惠多多"
          },
          {
            "icon": "purple gift box",
            "text": "互动抽奖 惊喜不停"
          }
        ]
      },
      {
        "title": "marquee_sign",
        "position": "lower middle",
        "style": "neon border with glowing dots, 3D red heart icon",
        "text": "[关注主播 不迷路]"
      },
      {
        "title": "footer_pill",
        "position": "bottom center",
        "style": "glowing neon border",
        "text": "[点关注 下单享优先发货]"
      }
    ]
  },
  "scene_elements": {
    "top_corners": "two studio spotlights angled inward",
    "bottom_left": "a ring light on a tripod holding a smartphone",
    "bottom_right": "three stacked cardboard delivery boxes labeled '极速发货' and '售后无忧', one miniature shopping cart, two purple gift boxes with gold ribbons",
    "background": "softly blurred broadcast studio with display shelves and ambient purple glow"
  }
}