config(overlay): set default blur to 1.5px and card opacity to 80%

Author: matsuzaka-yuki

src/config/backgroundWallpaper.ts

@@ -26,9 +26,9 @@ export const fullscreenWallpaperConfig: FullscreenWallpaperConfig = {
 	blur: 1,
 	switchable: true,
 	overlay: {
-		opacity: 0.8,
-		blur: 10,
-		cardOpacity: 0.5,
+		opacity: 0.8, // 壁纸不透明度，0-1
+		blur: 1.5, // 背景模糊半径（px）
+		cardOpacity: 0.8, // 卡片不透明度，0-1
 		switchable: {
 			opacity: true,
 			blur: true,