style(Cascader): using primary color by default

packages/vant/src/cascader/README.md

@@ -83,7 +83,7 @@ export default {
   v-model="cascaderValue"
   title="Select Area"
   :options="options"
-  active-color="#1989fa"
+  active-color="#ee0a24"
   @close="show = false"
   @finish="onFinish"
 />
@@ -250,7 +250,7 @@ export default {
 | value | Value of selected option | _string \| number_ | - |
 | options | Options | _CascaderOption[]_ | `[]` |
 | placeholder | Placeholder of unselected tab | _string_ | `Select` |
-| active-color | Active color | _string_ | `#ee0a24` |
+| active-color | Active color | _string_ | `#1989fa` |
 | swipeable `v3.0.11` | Whether to enable gestures to slide left and right | _boolean_ | `false` |
 | closeable | Whether to show close icon | _boolean_ | `true` |
 | show-header `v3.4.2` | Whether to show header | _boolean_ | `true` |

packages/vant/src/cascader/README.zh-CN.md

@@ -89,7 +89,7 @@ export default {
   v-model="cascaderValue"
   title="请选择所在地区"
   :options="options"
-  active-color="#1989fa"
+  active-color="#ee0a24"
   @close="show = false"
   @finish="onFinish"
 />
@@ -260,7 +260,7 @@ export default {
 | value | 选中项的值 | _string \| number_ | - |
 | options | 可选项数据源 | _CascaderOption[]_ | `[]` |
 | placeholder | 未选中时的提示文案 | _string_ | `请选择` |
-| active-color | 选中状态的高亮颜色 | _string_ | `#ee0a24` |
+| active-color | 选中状态的高亮颜色 | _string_ | `#1989fa` |
 | swipeable `v3.0.11` | 是否开启手势左右滑动切换 | _boolean_ | `false` |
 | closeable | 是否显示关闭图标 | _boolean_ | `true` |
 | show-header `v3.4.2` | 是否展示标题栏 | _boolean_ | `true` |

packages/vant/src/cascader/demo/index.vue

@@ -186,7 +186,7 @@ const onFinish = (
         v-model="customColorState.value"
         :title="t('selectArea')"
         :options="t('options')"
-        active-color="#1989fa"
+        active-color="#ee0a24"
         @close="customColorState.show = false"
         @finish="onFinish(customColorState, $event)"
       />