dropdown 样式同步

src/core/github.ts

@@ -338,6 +338,11 @@ export function defineGithubTheme(githubColor: GithubColor): Theme {
         },
       },
     },
+    shadow: {
+      floating: {
+        small: `0px 0px 0px 1px ${themeVars.color.light.border}, 0px 6px 12px -3px ${themeVars.color.shadow.self}, 0px 6px 18px 0px ${themeVars.color.shadow.self};`,
+      },
+    },
   };
   return defineTheme({
     isDarkTheme: githubColor.isDarkTheme,

src/core/theme.ts

@@ -14,6 +14,7 @@ function stringToBoolean(str: string, name: string): boolean {
 }
 
 export const overlayAppear = "overlay-appear";
+export const animation = `200ms cubic-bezier(0.33, 1, 0.68, 1) 0s 1 normal none running ${overlayAppear}`;
 
 const emoji = `
 .emoji[aria-label="check mark"],

src/types/color/github.ts

@@ -160,9 +160,19 @@ export const github = {
         /** 悬停色
          * @clone `clone` 克隆按钮下按钮组和面板操作列表的悬停背景颜色
          * @input `inputAction` 输入框动作按钮的悬停背景颜色
+         * @dropdown `dropdown` 下拉框子项的悬停背景颜色
          */
         hover: null,
-      }
-    }
-  }
+      },
+    },
+  },
+  shadow: {
+    floating: {
+      /** 悬浮阴影
+       * @tippy `tippyBox` 悬浮框阴影
+       * @dropdown `dropdown` 下拉框阴影
+       */
+      small: null,
+    },
+  },
 };