C端：radio组件样式优化

web/src/assets/theme/theme.less

@@ -394,8 +394,7 @@
     }
     &:hover,
     &.active {
-      &::before,
-      &::after {
+      &::before {
         content: "";
         display: inline-block;
         position: absolute;
@@ -404,15 +403,22 @@
         transform: translateY(-50%);
         width: @wh;
         height: @wh;
-        border: 1px solid @color!important;
+        border: 1px solid @backcolor !important;
         border-radius: 50%;
-        background: @color;
+        background: @backcolor;
       }
       &::after {
+        content: "";
+        display: inline-block;
+        position: absolute;
+        top: 50%;
+        transform: translateY(-50%);
+        border: 1px solid @backcolor !important;
+        border-radius: 50%;
         width: @wh*0.5;
         height: @wh*0.5;
         left: @wh * 0.25;
-        background: @backcolor;
+        background: #fff;
       }
     }
   }