QMainWindow {
    background-color: #f0f0f0;
    font-family: "Microsoft YaHei", Arial, sans-serif;
}

QGroupBox {
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-top: 1ex;
    font-weight: bold;
}

QGroupBox::title {
    subcontrol-origin: margin;
    subcontrol-position: top center;
    padding: 0 5px;
}

QTextEdit {
    background-color: white;
    border: 1px solid #ccc;
    border-radius: 3px;
    font-size: 10pt;
}

QPushButton {
    background-color: #4a86e8;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    min-height: 30px;
}

QPushButton:hover {
    background-color: #3a76d8;
}

QPushButton:disabled {
    background-color: #cccccc;
}

QLabel {
    font-size: 9pt;
}

QProgressBar {
    border: 1px solid #ccc;
    border-radius: 3px;
    text-align: center;
    background-color: #f8f8f8;
}

QProgressBar::chunk {
    background-color: #4a86e8;
    width: 10px;
}