调整颜色

widgets/recorderwidget.cpp

@@ -81,13 +81,15 @@ void RecorderWidget::initUI()
     // 上部分：空白区域，占据主要空间
     QWidget* blankWidget = new QWidget(this);
     blankWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
-    blankWidget->setStyleSheet("background-color: #2b2b2b; border: 1px solid #555;");
+    // blankWidget->setStyleSheet("background-color: #2b2b2b; border: 1px solid #555;");
+    //blankWidget->setVisible(false);  // 隐藏但仍占据布局空间
     
     // 可以在空白区域添加一些提示信息
     QVBoxLayout* blankLayout = new QVBoxLayout(blankWidget);
     QLabel* hintLabel = new QLabel("录制预览区域", this);
     hintLabel->setAlignment(Qt::AlignCenter);
-    hintLabel->setStyleSheet("color: #888; font-size: 14px; border: none;");
+    hintLabel->setText("");
+    // hintLabel->setStyleSheet("color: #888; font-size: 14px; border: none;");
     blankLayout->addWidget(hintLabel);
     
     // 状态栏