分屏對比機械鍵盤宣傳海報

{
  "type": "高階產品廣告海報",
  "subject": {
    "product": "[X75] 機械鍵盤",
    "category": "75% 緊湊型無線機械鍵盤",
    "color": "深藏青色搭配深鴨青色點綴",
    "material": "啞光塑膠外殼搭配微圓角鍵帽",
    "branding": "鍵盤右上角小標牌",
    "layout badge": "貼在鍵盤右上邊緣附近的米白色方形銘牌，印有黑色X符號"
  },
  "scene": {
    "setting": "溫暖氛圍感桌面搭建",
    "surface": "淺色實木書桌上鋪著質感棕色皮革桌墊",
    "lighting": "來自右上方的電影感暖色定向光，柔和反光，奢華數碼廣告質感",
    "background": "暗部虛化的辦公或桌面環境，右上角隱約可見咖啡杯與少量桌面雜物"
  },
  "composition": {
    "format": "分屏式前後對比促銷構圖",
    "panels": [
      {
        "position": "左半部分",
        "style": "樸素日常隨手拍",
        "description": "鍵盤居中擺放在大張棕色桌墊上的俯拍微斜視角，明亮室內自然光，頂部露出淺色木桌邊緣與顯示器支架或銀色裝置區域性，寫實無修圖產品照"
      },
      {
        "position": "右半部分",
        "style": "高階精修廣告視覺",
        "description": "同一款鍵盤置於棕色皮革墊上，呈現更暗的曝光、更豐富的對比度、暖調高光、淺景深以及精細的商業修圖質感"
      }
    ]
  },
  "text elements": {
    "headline": "[X75]",
    "subheadline": "MECHANICAL KEYBOARD",
    "tagline": "[簡約而不簡單，高效每一天。]",
    "feature line count": 4,
    "feature line items": [
      "75% 緊湊佈局",
      "機械軸體",
      "多系統相容",
      "長效續航"
    ]
  },
  "bottom feature cards": {
    "count": 4,
    "cards": [
      {
        "title": "75% 緊湊佈局",
        "description": "保留高效區 節省桌面空間",
        "visual": "微傾斜鍵盤邊角特寫小圖"
      },
      {
        "title": "機械軸體",
        "description": "段落感清晰 敲擊反饋出色",
        "visual": "帶半透明軸殼的機械軸體特寫"
      },
      {
        "title": "多系統相容",
        "description": "支援 Windows / macOS / iOS / Android",
        "visual": "4個系統平臺圖示: Windows、Apple、iOS、Android"
      },
      {
        "title": "長效續航",
        "description": "低功耗設計 持久陪伴每一刻",
        "visual": "標註有 [3000 mAh] 的電池圖示"
      }
    ]
  },
  "style": {
    "design language": "高階電商主圖海報視覺",
    "color palette": "深藏青、炭黑、古銅棕、暖琥珀高光、米白文字",
    "typography": "加粗現代無襯線產品名字型、小號大寫英文副標題、清晰中文字型",
    "finish": "細膩商業精修、微暗角、高光質感、高階格調"
  }
}