#深色主题

{
  "chartType": "column",
  "theme": "dark",
  "backgroundColor": "rgb(25, 29, 36)",
  "dataset": [
    { "date": "2019", "profit": 10, "sales": 20 },
    { "date": "2020", "profit": 30, "sales": 60 },
    { "date": "2021", "profit": 30, "sales": 60 },
    { "date": "2022", "profit": 50, "sales": 100 },
    { "date": "2023", "profit": 40, "sales": 80 }
  ],
}