调整Q Scheme暗色模式前景色和背景色的生成，以及颜色调整系数的使用。

color-module/src/schemes/q_style/mod.rs

@@ -58,8 +58,8 @@ impl QScheme {
                 &(success * setting.dark_convert),
                 &(warning * setting.dark_convert),
                 &(info * setting.dark_convert),
-                &(foreground * setting.dark_convert),
-                &(background * setting.dark_convert),
+                &(&background * setting.dark_convert),
+                &(&foreground * setting.dark_convert),
                 setting.clone(),
             ),
         })

color-module/src/schemes/q_style/scheme_setting.rs

@@ -30,13 +30,13 @@ impl Mul<ColorShifting> for Oklch<f32> {
                 + if rhs.lightness > 0.0 {
                     (1.0 - self.l) * rhs.lightness
                 } else {
-                    self.l * rhs.lightness * -1.0
+                    self.l * rhs.lightness
                 },
             self.chroma
                 + if rhs.chroma > 0.0 {
                     (100.0 - self.chroma) * rhs.chroma
                 } else {
-                    -(self.chroma * rhs.chroma)
+                    self.chroma * rhs.chroma
                 },
             self.hue,
         )
@@ -52,13 +52,13 @@ impl Mul<ColorShifting> for &Oklch<f32> {
                 + if rhs.lightness > 0.0 {
                     (1.0 - self.l) * rhs.lightness
                 } else {
-                    self.l * rhs.lightness * -1.0
+                    self.l * rhs.lightness
                 },
             self.chroma
                 + if rhs.chroma > 0.0 {
                     (100.0 - self.chroma) * rhs.chroma
                 } else {
-                    -(self.chroma * rhs.chroma)
+                    self.chroma * rhs.chroma
                 },
             self.hue,
         )