For the selected light source, you can then choose a colour and intensity from the list box just below the eight buttons. The brightness values of all lights are added, so use dark colours when you enable multiple lights.
对于选定的光源，您可以在这八个按钮下方的列表框中选择颜色和亮度。已经添加了所有光线的亮度值，所以当您启用多个光线时，请使用深色。