function setMarkQtrStyle (pivotTable) {
    let style = new GC.Spread.Sheets.Style();
    style.backColor = "#82bc00";
    style.foreColor = "white";
    let labelPivotArea = {
        labelOnly: true,
        references: [{
            fieldName: "Qt",
            subtotals: true,
            items: ["1사분기", "3사분기"]
        }]
    };
    pivotTable.setStyle(labelPivotArea, style);
    let dataPivotArea = {
        dataOnly: true,
        references: [{
            fieldName: "Qt",
            subtotals: true,
            items: ["1사분기", "3사분기"]
        }]
    };
    pivotTable.setStyle(dataPivotArea, style);
}