Pyqt5 Python3 QPushButton默认StrongFocus颜色或选项卡选定颜色

from PyQt5.QtWidgets import QApplication, QMainWindow, QPushButton
from PyQt5.QtGui import QPalette, QColor

if __name__ == '__main__':
    app = QApplication([])
    window = QMainWindow()
    
    button = QPushButton("Button", window)
    button.setAutoFillBackground(True)
    
    palette = button.palette()
    palette.setColor(QPalette.Button, QColor(255, 0, 0))  # 设置按钮的背景颜色
    palette.setColor(QPalette.ButtonText, QColor(255, 255, 255))  # 设置按钮的文本颜色
    button.setPalette(palette)
    
    window.setCentralWidget(button)
    window.show()
    
    app.exec_()