在Qt中，如何通过qss定制如下QTabWidget？

#include <QApplication>
#include <QTabWidget>
#include <QWidget>
#include <QVBoxLayout>

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    // 创建一个QTabWidget实例
    QTabWidget tabWidget;

    // 添加两个标签页
    QWidget *tab1 = new QWidget();
    QWidget *tab2 = new QWidget();
    tabWidget.addTab(tab1, "Tab 1");
    tabWidget.addTab(tab2, "Tab 2");

    // 编写QSS样式表字符串
    QString qss = R"(
        QTabWidget::pane {
            border: 1px solid #C2C7CB;
            top: -1px;
        }
        QTabWidget::tab-bar {
            alignment: center;
        }
        QTabBar::tab {
            background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                stop: 0 #E1E1E1, stop: 0.4 #DDDDDD,
                stop: 0.5 #D8D8D8, stop: 1.0 #D3D3D3);
            border: 1px solid #C4C4C3;
            border-bottom-color: #C2C7CB;
            padding: 0 15px;
            margin-right: -1px;
        }
        QTabBar::tab:selected, QTabBar::tab:hover {
            background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                stop: 0 #FFFFFF, stop: 0.4 #F4F4F4,
                stop: 0.5 #E7E7E7, stop: 1.0 #DEDEDE);
        }
        QTabBar::tab:selected {
            border-color: #9B9B9B;
            border-bottom-color: #C2C7CB;
        }
        QTabBar::tab:!selected {
            margin-top: 2px;
        }
    )";

    // 应用QSS样式表到QTabWidget
    tabWidget.setStyleSheet(qss);

    // 显示QTabWidget
    tabWidget.show();

    return app.exec();
}