echarts折线图样式

tooltip: {
  trigger: "item",
  triggerOn: "'mousemove|click",
  showContent: true,
  transitionDuration: 0,
  formatter: "{b0}
{c0}"
},
xAxis: {
  type: "category",
  boundaryGap: false,
  data: ["", "学前测试", "知识点学习", "学后测试"],
  offset: 20,
  axisLine: {
    show: false,
    lineStyle: {
      color: "#ADB9C5"
    }
  },
  axisLabel: {
    fontSize: 14
  },
  axisTick: {
    show: false
  }
},
yAxis: {
  type: "value",
  name: "能力值变化",
  min: 0,
  max: 1,
  splitNumber: 10,
  offset: 10,
  nameTextStyle: {
    color: "#14112E",
    fontWeight: "bolder",
    fontSize: 17,
    lineHeight: 56,
    align: "right"
  },
  axisLine: {
    show: false,
    lineStyle: {
      color: "#ADB9C5"
    }
  },
  axisTick: {
    show: false
  }
},
series: [
  {
    type: "line",
    // symbol: "emptyCircle", 
    symbolSize: 20,//拐点大小
    data: [0, 0.7, 0.3, 0.8],//图片的值
    lineStyle: {
      normal: {
        color: "#166CC8",//线的颜色
        shadowColor: "#166CC8", //线阴影颜色
        shadowOffsetY: 5, //阴影大小
        shadowBlur: 10
      }
    },
    itemStyle: {
      normal: {
        color: "#166CC8", //拐点的颜色
        borderWidth: 1, //拐点边框
        borderColor: "white" //拐点边框颜色
      }
    }
  }
]```