3 "multiply":"色彩增值" 4 "screen":"屏幕" 5 "lighten":"变亮" 6 "darken":"变暗" 7 "difference":"差异" 8 "add":"增加" 9 "subtract":"减去" 10 "invert":"反转" 13 "overlay":"叠加" 14 "hardlight":"强光"