关于趋势图显示最大/最小值的进阶问题：如何在折线上自动打上...

想实现一个业务需求：一张全年的销售趋势折线图。
客户要求：折线上最高的一点和最低的一点，不仅要显示具体数值，还要在该点上显示一个红色的“向上箭头”和绿色的“向下箭头”图标（或者直接改变该数据点的颜色）。
我知道在“组件属性”里可以设置显示最大值和最小值，但那只显示数字。有没有办法让数据点本身根据 Max/Min 动态变色？或者通过宏代码去重写某个点的 marker 样式？

谢谢大家帮忙
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