Error setting qtablewidget style

[training]

I set the header effect of qtablewidget on Linux. There is no way to set it here

QTableView  QHeaderView::section
{
    font-size:14px;
    font-family:"Microsoft YaHei";
    color:#FFFFFF;
    background:#60669B;
    border:none;
    text-align:left;
    min-height:49px;
    max-height:49px;
    margin-left:0px;
    padding-left:0px;
}

help me

[JonB]

@training
From https://doc.qt.io/qt-5/stylesheet-reference.html

The corner widget in a QTableView is implemented as a QAbstractButton and can be styled using the "QTableView QTableCornerButton::section" selector.

https://doc.qt.io/qt-5/stylesheet-examples.html#customizing-qtableview

QTableView QTableCornerButton::section {
    background: red;
    border: 2px outset red;
}