[Question] How to make AreaStyle on fills between the series max-min.

orangeGradients := []string{
		"rgba(255, 165, 0, 0.3)", // Light orange for 1st year
		"rgba(255, 140, 0, 0.4)", // Slightly darker
		"rgba(255, 120, 0, 0.5)", // Darker
		"rgba(255, 100, 0, 0.6)", // Dark orange
		"rgba(255, 69, 0, 0.7)",  // Darkest orange for 5th year
	}

	// Add future support lines (starting from the highest year down to 1 year)
	for i := len(futureSupportLines) - 1; i >= 0; i-- {
		futureLine := futureSupportLines[i]
		line.AddSeries(fmt.Sprintf("%d-Yr Support", i+1), futureLine,
			echarts.WithLineChartOpts(
				echartOpts.LineChart{
					ShowSymbol: echartOpts.Bool(false),
					Smooth:     echartOpts.Bool(true),
				}),
			echarts.WithLineStyleOpts(echartOpts.LineStyle{
				Type:    "dashed",
				Color:   orangeGradients[i],
				Opacity: 0.8,
			}),
			echarts.WithAreaStyleOpts(echartOpts.AreaStyle{
				Color:   orangeGradients[i],
				Opacity: 0.2,
			}),
		)
	}

	line.AddSeries("Support", quantileLines[supportQuantile],
		echarts.WithLineChartOpts(
			echartOpts.LineChart{
				ShowSymbol: echartOpts.Bool(false),
				Smooth:     echartOpts.Bool(true),
			}),
		echarts.WithLineStyleOpts(echartOpts.LineStyle{
			Color: "blue",
		}),
	)

	// Add the historical price line with a distinct area color
	line.AddSeries("Price", priceLine,
		echarts.WithLineChartOpts(
			echartOpts.LineChart{
				ShowSymbol: echartOpts.Bool(false),
				Smooth:     echartOpts.Bool(true),
			}),
		echarts.WithItemStyleOpts(echartOpts.ItemStyle{
			Color:       types.BLACK,
			BorderColor: types.BLACK,
			BorderWidth: 3,
		}),
		echarts.WithLineStyleOpts(echartOpts.LineStyle{
			Color: types.BLACK,
		}),
		echarts.WithAreaStyleOpts(echartOpts.AreaStyle{
			Color:   "rgba(0, 128, 255, 0.5)",
			Opacity: 0.3,
		}),
	)