如何在highcharts中更改阴影区域的颜色

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>

<div id="chartContainer"></div>

var chartOptions = {
  chart: {
    type: 'area'
  },
  title: {
    text: 'Area Chart with Custom Shadow Color'
  },
  plotOptions: {
    area: {
      color: {
        linearGradient: { x1: 0, y1: 0, x2: 0, y2: 1 },
        stops: [
          [0, 'rgba(255, 255, 255, 0.1)'],
          [1, 'rgba(255, 255, 255, 0.5)']
        ]
      },
      marker: {
        radius: 2
      },
      lineWidth: 1,
      states: {
        hover: {
          lineWidth: 1
        }
      },
      threshold: null
    }
  },
  series: [{
    name: 'Data',
    data: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
  }]
};

// 创建图表
Highcharts.chart('chartContainer', chartOptions);