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code/base-project/base-vue/packages/ao-design/src/popup/index.scss

@@ -23,14 +23,16 @@ $popup-prefix: '#{$prefix}-popup';
       content: '';
       position: absolute;
       inset: 0;
-      background: $bg-color-container;
+      background-color: $bg-color-container;
       transform: rotate(45deg);
       transform-origin: center;
     }
   }
+
   &-content {
     padding: 4px 8px;
   }
+
   // 上方弹出，箭头在底部
   &[data-popup-placement^='top'] > &-arrow {
     bottom: -4px;