diff --git a/components/_util/type.ts b/components/_util/type.ts
index 266c85398..86b366fe4 100644
--- a/components/_util/type.ts
+++ b/components/_util/type.ts
@@ -51,8 +51,8 @@ export function objectType<T>(defaultVal?: any) {
   return { type: Object as PropType<T>, default: defaultVal as T };
 }
 
-export function booleanType<T>(defaultVal?: any) {
-  return { type: Boolean as PropType<T>, default: defaultVal as T };
+export function booleanType(defaultVal?: any) {
+  return { type: Boolean, default: defaultVal as boolean };
 }
 
 export function someType<T>(types: any[], defaultVal?: any) {
diff --git a/components/dropdown/dropdown-button.tsx b/components/dropdown/dropdown-button.tsx
index fbfae9745..baa418647 100644
--- a/components/dropdown/dropdown-button.tsx
+++ b/components/dropdown/dropdown-button.tsx
@@ -1,12 +1,13 @@
 import type { ExtractPropTypes, HTMLAttributes } from 'vue';
-import { defineComponent } from 'vue';
+import { computed, defineComponent } from 'vue';
 import Button from '../button';
-import classNames from '../_util/classNames';
 import Dropdown from './dropdown';
+import classNames from '../_util/classNames';
 import { initDefaultProps } from '../_util/props-util';
 import { dropdownButtonProps } from './props';
 import EllipsisOutlined from '@ant-design/icons-vue/EllipsisOutlined';
 import useConfigInject from '../config-provider/hooks/useConfigInject';
+import useStyle from './style';
 const ButtonGroup = Button.Group;
 
 export type DropdownButtonProps = Partial<ExtractPropTypes<ReturnType<typeof dropdownButtonProps>>>;
@@ -27,20 +28,25 @@ export default defineComponent({
     const handleVisibleChange = (val: boolean) => {
       emit('update:visible', val);
       emit('visibleChange', val);
+      emit('update:open', val);
+      emit('openChange', val);
     };
 
-    const { prefixCls, direction, getPopupContainer } = useConfigInject('dropdown-button', props);
-
+    const { prefixCls, direction, getPopupContainer } = useConfigInject('dropdown', props);
+    const buttonPrefixCls = computed(() => `${prefixCls.value}-button`);
+    const [wrapSSR, hashId] = useStyle(prefixCls);
     return () => {
       const {
         type = 'default',
         disabled,
+        danger,
         loading,
         htmlType,
         class: className = '',
         overlay = slots.overlay?.(),
         trigger,
         align,
+        open,
         visible,
         onVisibleChange: _onVisibleChange,
         placement = direction.value === 'rtl' ? 'bottomLeft' : 'bottomRight',
@@ -53,7 +59,7 @@ export default defineComponent({
         overlayStyle,
         destroyPopupOnHide,
         onClick,
-        'onUpdate:visible': _updateVisible,
+        'onUpdate:open': _updateVisible,
         ...restProps
       } = { ...props, ...attrs } as DropdownButtonProps & HTMLAttributes;
 
@@ -63,10 +69,10 @@ export default defineComponent({
         trigger: disabled ? [] : trigger,
         placement,
         getPopupContainer: getPopupContainer?.value,
-        onVisibleChange: handleVisibleChange,
+        onOpenChange: handleVisibleChange,
         mouseEnterDelay,
         mouseLeaveDelay,
-        visible,
+        open: open ?? visible,
         overlayClassName,
         overlayStyle,
         destroyPopupOnHide,
@@ -74,6 +80,7 @@ export default defineComponent({
 
       const leftButton = (
         <Button
+          danger={danger}
           type={type}
           disabled={disabled}
           loading={loading}
@@ -85,15 +92,18 @@ export default defineComponent({
         ></Button>
       );
 
-      const rightButton = <Button type={type} icon={icon} />;
+      const rightButton = <Button danger={danger} type={type} icon={icon} />;
 
-      return (
-        <ButtonGroup {...restProps} class={classNames(prefixCls.value, className)}>
+      return wrapSSR(
+        <ButtonGroup
+          {...restProps}
+          class={classNames(buttonPrefixCls.value, className, hashId.value)}
+        >
           {slots.leftButton ? slots.leftButton({ button: leftButton }) : leftButton}
           <Dropdown {...dropdownProps} v-slots={{ overlay: () => overlay }}>
             {slots.rightButton ? slots.rightButton({ button: rightButton }) : rightButton}
           </Dropdown>
-        </ButtonGroup>
+        </ButtonGroup>,
       );
     };
   },
diff --git a/components/dropdown/dropdown.tsx b/components/dropdown/dropdown.tsx
index f7a27657c..5e0b463b9 100644
--- a/components/dropdown/dropdown.tsx
+++ b/components/dropdown/dropdown.tsx
@@ -11,6 +11,9 @@ import useConfigInject from '../config-provider/hooks/useConfigInject';
 import devWarning from '../vc-util/devWarning';
 import omit from '../_util/omit';
 import getPlacements from '../_util/placements';
+import warning from '../_util/warning';
+import useStyle from './style';
+import { useProvideOverride } from '../menu/src/OverrideContext';
 
 export type DropdownProps = Partial<ExtractPropTypes<ReturnType<typeof dropdownProps>>>;
 
@@ -31,18 +34,53 @@ const Dropdown = defineComponent({
       'dropdown',
       props,
     );
+    const [wrapSSR, hashId] = useStyle(prefixCls);
+    // Warning for deprecated usage
+    if (process.env.NODE_ENV !== 'production') {
+      [
+        ['visible', 'open'],
+        ['onVisibleChange', 'onOpenChange'],
+        ['onUpdate:visible', 'onUpdate:open'],
+      ].forEach(([deprecatedName, newName]) => {
+        warning(
+          props[deprecatedName] === undefined,
+          'Dropdown',
+          `\`${deprecatedName}\` is deprecated which will be removed in next major version, please use \`${newName}\` instead.`,
+        );
+      });
+    }
 
     const transitionName = computed(() => {
       const { placement = '', transitionName } = props;
       if (transitionName !== undefined) {
         return transitionName;
       }
-      if (placement.indexOf('top') >= 0) {
+      if (placement.includes('top')) {
         return `${rootPrefixCls.value}-slide-down`;
       }
       return `${rootPrefixCls.value}-slide-up`;
     });
-
+    useProvideOverride({
+      prefixCls: computed(() => `${prefixCls.value}-menu`),
+      expandIcon: computed(() => {
+        return (
+          <span class={`${prefixCls.value}-menu-submenu-arrow`}>
+            <RightOutlined class={`${prefixCls.value}-menu-submenu-arrow-icon`} />
+          </span>
+        );
+      }),
+      mode: computed(() => 'vertical'),
+      selectable: computed(() => false),
+      onClick: () => {},
+      validator: ({ mode }) => {
+        // Warning if use other mode
+        warning(
+          !mode || mode === 'vertical',
+          'Dropdown',
+          `mode="${mode}" is not supported for Dropdown's Menu.`,
+        );
+      },
+    });
     const renderOverlay = () => {
       // rc-dropdown already can process the function of overlay, but we have check logic here.
       // So we need render the element to check and pass back to rc-dropdown.
@@ -104,6 +142,8 @@ const Dropdown = defineComponent({
     const handleVisibleChange = (val: boolean) => {
       emit('update:visible', val);
       emit('visibleChange', val);
+      emit('update:open', val);
+      emit('openChange', val);
     };
 
     return () => {
@@ -125,13 +165,13 @@ const Dropdown = defineComponent({
         ),
       );
 
-      const overlayClassNameCustomized = classNames(overlayClassName, {
+      const overlayClassNameCustomized = classNames(overlayClassName, hashId.value, {
         [`${prefixCls.value}-rtl`]: direction.value === 'rtl',
       });
 
       const triggerActions = disabled ? [] : trigger;
       let alignPoint: boolean;
-      if (triggerActions && triggerActions.indexOf('contextmenu') !== -1) {
+      if (triggerActions && triggerActions.includes('contextmenu')) {
         alignPoint = true;
       }
 
@@ -156,14 +196,13 @@ const Dropdown = defineComponent({
         },
         ['overlay', 'onUpdate:visible'],
       );
-      return (
+      return wrapSSR(
         <RcDropdown {...dropdownProps} v-slots={{ overlay: renderOverlay }}>
           {dropdownTrigger}
-        </RcDropdown>
+        </RcDropdown>,
       );
     };
   },
 });
-
 Dropdown.Button = DropdownButton;
 export default Dropdown;
diff --git a/components/dropdown/index.en-US.md b/components/dropdown/index.en-US.md
index 4d5c089e5..12f6b8623 100644
--- a/components/dropdown/index.en-US.md
+++ b/components/dropdown/index.en-US.md
@@ -17,7 +17,7 @@ When there are more than a few options to choose from, you can wrap them in a `D
 
 | Property | Description | Type | Default |  |
 | --- | --- | --- | --- | --- |
-| arrow | Whether the dropdown arrow should be visible | boolean \| { pointAtCenter: boolean } | false | 3.3.0 |
+| arrow | Whether the dropdown arrow should be open | boolean \| { pointAtCenter: boolean } | false | 3.3.0 |
 | destroyPopupOnHide | Whether destroy dropdown when hidden | boolean | false |  |
 | disabled | whether the dropdown menu is disabled | boolean | - |  |
 | getPopupContainer | to set the container of the dropdown menu. The default is to create a `div` element in `body`, you can reset it to the scrolling area and make a relative reposition. [example](https://codepen.io/afc163/pen/zEjNOy?editors=0010) | Function(triggerNode) | `() => document.body` |  |
@@ -26,13 +26,13 @@ When there are more than a few options to choose from, you can wrap them in a `D
 | overlayStyle | Style of the dropdown root element | object | - |  |
 | placement | placement of pop menu: `bottomLeft` `bottom` `bottomRight` `topLeft` `top` `topRight` | String | `bottomLeft` |  |
 | trigger | the trigger mode which executes the drop-down action, hover doesn't work on mobile device | Array&lt;`click`\|`hover`\|`contextmenu`> | `['hover']` |  |
-| visible(v-model) | whether the dropdown menu is visible | boolean | - |  |
+| open(v-model) | whether the dropdown menu is open | boolean | - | 4.0 |
 
 ### events
 
-| Events Name | Description | Arguments |
-| --- | --- | --- |
-| visibleChange | a callback function takes an argument: `visible`, is executed when the visible state is changed. Not trigger when hidden by click item | function(visible) |
+| Events Name | Description | Arguments | Version |
+| --- | --- | --- | --- |
+| openChange | a callback function takes an argument: `open`, is executed when the open state is changed. Not trigger when hidden by click item | function(open) | 4.0 |
 
 You should use [Menu](/components/menu/) as `overlay`. The menu items and dividers are also available by using `Menu.Item` and `Menu.Divider`.
 
@@ -52,11 +52,11 @@ You should use [Menu](/components/menu/) as `overlay`. The menu items and divide
 | size | size of the button, the same as [Button](/components/button) | string | `default` |  |
 | trigger | the trigger mode which executes the drop-down action | Array&lt;`click`\|`hover`\|`contextmenu`> | `['hover']` |  |
 | type | type of the button, the same as [Button](/components/button) | string | `default` |  |
-| visible(v-model) | whether the dropdown menu is visible | boolean | - |  |
+| open(v-model) | whether the dropdown menu is open | boolean | - |  |
 
 ### Dropdown.Button events
 
-| Events Name | Description | Arguments |
-| --- | --- | --- |
-| click | a callback function, the same as [Button](/components/button), which will be executed when you click the button on the left | Function |
-| visibleChange | a callback function takes an argument: `visible`, is executed when the visible state is changed. Not trigger when hidden by click item | Function |
+| Events Name | Description | Arguments | Version |
+| --- | --- | --- | --- |
+| click | a callback function, the same as [Button](/components/button), which will be executed when you click the button on the left | Function |  |
+| openChange | a callback function takes an argument: `open`, is executed when the open state is changed. Not trigger when hidden by click item | Function | 4.0 |
diff --git a/components/dropdown/index.zh-CN.md b/components/dropdown/index.zh-CN.md
index 8393df3ce..bbe120af1 100644
--- a/components/dropdown/index.zh-CN.md
+++ b/components/dropdown/index.zh-CN.md
@@ -30,7 +30,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/eedWN59yJ/Dropdown.svg
 | overlayStyle | 下拉根元素的样式 | object | - |  |
 | placement | 菜单弹出位置 | `bottomLeft` \| `bottom` \| `bottomRight` \| `topLeft` \| `top` \| `topRight` | `bottomLeft` |  |
 | trigger | 触发下拉的行为, 移动端不支持 hover | Array&lt;`click`\|`hover`\|`contextmenu`> | `['hover']` |  |
-| visible(v-model) | 菜单是否显示 | boolean | - |  |
+| open(v-model) | 菜单是否显示 | boolean | - |  |
 
 `overlay` 菜单使用 [Menu](/components/menu-cn/)，还包括菜单项 `Menu.Item`，分割线 `Menu.Divider`。
 
@@ -40,9 +40,9 @@ cover: https://gw.alipayobjects.com/zos/alicdn/eedWN59yJ/Dropdown.svg
 
 ### 事件
 
-| 事件名称 | 说明 | 回调参数 |
-| --- | --- | --- |
-| visibleChange | 菜单显示状态改变时调用，参数为 visible。点击菜单按钮导致的消失不会触发 | function(visible) |
+| 事件名称 | 说明 | 回调参数 | 版本 |
+| --- | --- | --- | --- |
+| openChange | 菜单显示状态改变时调用，参数为 visible。点击菜单按钮导致的消失不会触发 | function(open) | 4.0 |
 
 ### Dropdown.Button
 
@@ -56,11 +56,11 @@ cover: https://gw.alipayobjects.com/zos/alicdn/eedWN59yJ/Dropdown.svg
 | size | 按钮大小，和 [Button](/components/button-cn/) 一致 | string | 'default' |  |
 | trigger | 触发下拉的行为 | Array&lt;`click`\|`hover`\|`contextmenu`> | `['hover']` |  |
 | type | 按钮类型，和 [Button](/components/button-cn/) 一致 | string | 'default' |  |
-| visible(v-model) | 菜单是否显示 | boolean | - |  |
+| open(v-model) | 菜单是否显示 | boolean | - |  |
 
 ### Dropdown.Button 事件
 
-| 事件名称 | 说明 | 回调参数 |
-| --- | --- | --- |
+| 事件名称 | 说明 | 回调参数 | 版本 |
+| --- | --- | --- | --- |
 | click | 点击左侧按钮的回调，和 [Button](/components/button-cn/) 一致 | Function |
-| visibleChange | 菜单显示状态改变时调用，参数为 visible。点击菜单按钮导致的消失不会触发 | function(visible) |
+| openChange | 菜单显示状态改变时调用，参数为 visible。点击菜单按钮导致的消失不会触发 | function(open) | 4.0 |
diff --git a/components/dropdown/props.ts b/components/dropdown/props.ts
index 7cccba769..6b93e4dc1 100644
--- a/components/dropdown/props.ts
+++ b/components/dropdown/props.ts
@@ -4,7 +4,7 @@ import PropTypes from '../_util/vue-types';
 import buttonTypes from '../button/buttonTypes';
 import type { MouseEventHandler } from '../_util/EventInterface';
 import type { MenuProps } from '../menu';
-import { objectType } from '../_util/type';
+import { booleanType, eventType, objectType, someType } from '../_util/type';
 
 export type Align = {
   points?: [string, string];
@@ -25,18 +25,19 @@ export type DropdownArrowOptions = {
   pointAtCenter?: boolean;
 };
 const dropdownProps = () => ({
-  arrow: {
-    type: [Boolean, Object] as PropType<boolean | DropdownArrowOptions>,
-    default: undefined,
-  },
+  arrow: someType<boolean | DropdownArrowOptions>([Boolean, Object]),
   trigger: {
     type: [Array, String] as PropType<Trigger[] | Trigger>,
   },
   menu: objectType<MenuProps>(),
   overlay: PropTypes.any,
-  visible: { type: Boolean, default: undefined },
-  disabled: { type: Boolean, default: undefined },
-  align: { type: Object as PropType<Align> },
+  /** @deprecated Please use `open` instead */
+  visible: booleanType(),
+  open: booleanType(),
+  disabled: booleanType(),
+  danger: booleanType(),
+  autofocus: booleanType(),
+  align: objectType<Align>(),
   getPopupContainer: Function as PropType<(triggerNode: HTMLElement) => HTMLElement>,
   prefixCls: String,
   transitionName: String,
@@ -51,19 +52,27 @@ const dropdownProps = () => ({
     | 'bottomRight'
   >,
   overlayClassName: String,
-  overlayStyle: { type: Object as PropType<CSSProperties>, default: undefined as CSSProperties },
-  forceRender: { type: Boolean, default: undefined },
+  overlayStyle: objectType<CSSProperties>(),
+  forceRender: booleanType(),
   mouseEnterDelay: Number,
   mouseLeaveDelay: Number,
   openClassName: String,
-  minOverlayWidthMatchTrigger: { type: Boolean, default: undefined },
-  destroyPopupOnHide: { type: Boolean, default: undefined },
+  minOverlayWidthMatchTrigger: booleanType(),
+  destroyPopupOnHide: booleanType(),
+  /** @deprecated Please use `onOpenChange` instead */
   onVisibleChange: {
     type: Function as PropType<(val: boolean) => void>,
   },
+  /** @deprecated Please use `onUpdate:open` instead */
   'onUpdate:visible': {
     type: Function as PropType<(val: boolean) => void>,
   },
+  onOpenChange: {
+    type: Function as PropType<(val: boolean) => void>,
+  },
+  'onUpdate:open': {
+    type: Function as PropType<(val: boolean) => void>,
+  },
 });
 
 const buttonTypesProps = buttonTypes();
@@ -73,14 +82,12 @@ const dropdownButtonProps = () => ({
   size: String as PropType<'small' | 'large'>,
   htmlType: buttonTypesProps.htmlType,
   href: String,
-  disabled: { type: Boolean, default: undefined },
+  disabled: booleanType(),
   prefixCls: String,
   icon: PropTypes.any,
   title: String,
   loading: buttonTypesProps.loading,
-  onClick: {
-    type: Function as PropType<MouseEventHandler>,
-  },
+  onClick: eventType<MouseEventHandler>(),
 });
 
 export { dropdownProps, dropdownButtonProps };
diff --git a/components/dropdown/style/button.ts b/components/dropdown/style/button.ts
new file mode 100644
index 000000000..fb7abb9fd
--- /dev/null
+++ b/components/dropdown/style/button.ts
@@ -0,0 +1,26 @@
+import type { DropdownToken } from '.';
+import type { GenerateStyle } from '../../theme/internal';
+
+const genButtonStyle: GenerateStyle<DropdownToken> = token => {
+  const { componentCls, antCls, paddingXS, opacityLoading } = token;
+
+  return {
+    [`${componentCls}-button`]: {
+      whiteSpace: 'nowrap',
+
+      [`&${antCls}-btn-group > ${antCls}-btn`]: {
+        [`&-loading, &-loading + ${antCls}-btn`]: {
+          cursor: 'default',
+          pointerEvents: 'none',
+          opacity: opacityLoading,
+        },
+
+        [`&:last-child:not(:first-child):not(${antCls}-btn-icon-only)`]: {
+          paddingInline: paddingXS,
+        },
+      },
+    },
+  };
+};
+
+export default genButtonStyle;
diff --git a/components/dropdown/style/index.less b/components/dropdown/style/index.less
deleted file mode 100644
index 9c68d032d..000000000
--- a/components/dropdown/style/index.less
+++ /dev/null
@@ -1,394 +0,0 @@
-@import '../../style/themes/index';
-@import '../../style/mixins/index';
-@import './status';
-
-@dropdown-prefix-cls: ~'@{ant-prefix}-dropdown';
-
-.@{dropdown-prefix-cls} {
-  .reset-component();
-
-  position: absolute;
-  top: -9999px;
-  left: -9999px;
-  z-index: @zindex-dropdown;
-  display: block;
-
-  &::before {
-    position: absolute;
-    top: -@popover-distance + @popover-arrow-width;
-    right: 0;
-    bottom: -@popover-distance + @popover-arrow-width;
-    left: -7px;
-    z-index: -9999;
-    opacity: 0.0001;
-    content: ' ';
-  }
-
-  &-wrap {
-    position: relative;
-
-    .@{ant-prefix}-btn > .@{iconfont-css-prefix}-down {
-      font-size: 10px;
-    }
-
-    .@{iconfont-css-prefix}-down::before {
-      transition: transform @animation-duration-base;
-    }
-  }
-
-  &-wrap-open {
-    .@{iconfont-css-prefix}-down::before {
-      transform: rotate(180deg);
-    }
-  }
-
-  &-hidden,
-  &-menu-hidden,
-  &-menu-submenu-hidden {
-    display: none;
-  }
-
-  // Offset the popover to account for the dropdown arrow
-  &-show-arrow&-placement-topLeft,
-  &-show-arrow&-placement-top,
-  &-show-arrow&-placement-topRight {
-    padding-bottom: @popover-distance;
-  }
-
-  &-show-arrow&-placement-bottomLeft,
-  &-show-arrow&-placement-bottom,
-  &-show-arrow&-placement-bottomRight {
-    padding-top: @popover-distance;
-  }
-
-  // Arrows
-  // .popover-arrow is outer, .popover-arrow:after is inner
-
-  &-arrow {
-    position: absolute;
-    z-index: 1; // lift it up so the menu wouldn't cask shadow on it
-    display: block;
-    width: @popover-arrow-width;
-    height: @popover-arrow-width;
-    background: linear-gradient(
-      135deg,
-      transparent 40%,
-      @popover-bg 40%
-    ); // Use linear-gradient to prevent arrow from covering text
-    .roundedArrow(@popover-arrow-width, 5px, @popover-bg);
-  }
-
-  &-placement-top > &-arrow,
-  &-placement-topLeft > &-arrow,
-  &-placement-topRight > &-arrow {
-    bottom: @popover-arrow-width * sqrt((1 / 2)) + 2px;
-    box-shadow: 3px 3px 7px -3px fade(@black, 10%);
-    transform: rotate(45deg);
-  }
-
-  &-placement-top > &-arrow {
-    left: 50%;
-    transform: translateX(-50%) rotate(45deg);
-  }
-
-  &-placement-topLeft > &-arrow {
-    left: 16px;
-  }
-
-  &-placement-topRight > &-arrow {
-    right: 16px;
-  }
-
-  &-placement-bottom > &-arrow,
-  &-placement-bottomLeft > &-arrow,
-  &-placement-bottomRight > &-arrow {
-    top: (@popover-arrow-width + 2px) * sqrt((1 / 2));
-    box-shadow: 2px 2px 5px -2px fade(@black, 10%);
-    transform: rotate(-135deg) translateY(-0.5px);
-  }
-
-  &-placement-bottom > &-arrow {
-    left: 50%;
-    transform: translateX(-50%) rotate(-135deg) translateY(-0.5px);
-  }
-
-  &-placement-bottomLeft > &-arrow {
-    left: 16px;
-  }
-
-  &-placement-bottomRight > &-arrow {
-    right: 16px;
-  }
-
-  &-menu {
-    position: relative;
-    margin: 0;
-    padding: @dropdown-edge-child-vertical-padding 0;
-    text-align: left;
-    list-style-type: none;
-    background-color: @dropdown-menu-bg;
-    background-clip: padding-box;
-    border-radius: @border-radius-base;
-    outline: none;
-    box-shadow: @box-shadow-base;
-
-    &-item-group-title {
-      padding: 5px @control-padding-horizontal;
-      color: @text-color-secondary;
-      transition: all @animation-duration-slow;
-    }
-
-    &-submenu-popup {
-      position: absolute;
-      z-index: @zindex-dropdown;
-      background: transparent;
-      box-shadow: none;
-      transform-origin: 0 0;
-
-      ul,
-      li {
-        list-style: none;
-      }
-
-      ul {
-        margin-right: 0.3em;
-        margin-left: 0.3em;
-      }
-    }
-
-    // ======================= Item Content =======================
-    &-item {
-      position: relative;
-      display: flex;
-      align-items: center;
-    }
-
-    &-item-icon {
-      min-width: 12px;
-      margin-right: 8px;
-      font-size: @font-size-sm;
-    }
-
-    &-title-content {
-      flex: auto;
-      white-space: nowrap;
-      > a {
-        color: inherit;
-        transition: all @animation-duration-slow;
-
-        &:hover {
-          color: inherit;
-        }
-
-        &::after {
-          position: absolute;
-          top: 0;
-          right: 0;
-          bottom: 0;
-          left: 0;
-          content: '';
-        }
-      }
-    }
-
-    // =========================== Item ===========================
-    &-item,
-    &-submenu-title {
-      clear: both;
-      margin: 0;
-      padding: @dropdown-vertical-padding @control-padding-horizontal;
-      color: @text-color;
-      font-weight: normal;
-      font-size: @dropdown-font-size;
-      line-height: @dropdown-line-height;
-      cursor: pointer;
-      transition: all @animation-duration-slow;
-
-      &:first-child {
-        & when (@dropdown-edge-child-vertical-padding = 0) {
-          border-radius: @border-radius-base @border-radius-base 0 0;
-        }
-      }
-
-      &:last-child {
-        & when (@dropdown-edge-child-vertical-padding = 0) {
-          border-radius: 0 0 @border-radius-base @border-radius-base;
-        }
-      }
-
-      &-selected {
-        color: @dropdown-selected-color;
-        background-color: @dropdown-selected-bg;
-      }
-
-      &:hover,
-      &&-active {
-        background-color: @item-hover-bg;
-      }
-
-      &-disabled {
-        color: @disabled-color;
-        cursor: not-allowed;
-
-        &:hover {
-          color: @disabled-color;
-          background-color: @dropdown-menu-submenu-disabled-bg;
-          cursor: not-allowed;
-        }
-
-        a {
-          pointer-events: none;
-        }
-      }
-
-      &-divider {
-        height: 1px;
-        margin: 4px 0;
-        overflow: hidden;
-        line-height: 0;
-        background-color: @border-color-split;
-      }
-
-      .@{dropdown-prefix-cls}-menu-submenu-expand-icon {
-        position: absolute;
-        right: @padding-xs;
-
-        .@{dropdown-prefix-cls}-menu-submenu-arrow-icon {
-          margin-right: 0 !important;
-          color: @text-color-secondary;
-          font-size: 10px;
-          font-style: normal;
-        }
-      }
-    }
-
-    &-item-group-list {
-      margin: 0 8px;
-      padding: 0;
-      list-style: none;
-    }
-
-    &-submenu-title {
-      padding-right: @control-padding-horizontal + @font-size-sm;
-    }
-
-    &-submenu-vertical {
-      position: relative;
-    }
-
-    &-submenu-vertical > & {
-      position: absolute;
-      top: 0;
-      left: 100%;
-      min-width: 100%;
-      margin-left: 4px;
-      transform-origin: 0 0;
-    }
-
-    &-submenu&-submenu-disabled .@{dropdown-prefix-cls}-menu-submenu-title {
-      &,
-      .@{dropdown-prefix-cls}-menu-submenu-arrow-icon {
-        color: @disabled-color;
-        background-color: @dropdown-menu-submenu-disabled-bg;
-        cursor: not-allowed;
-      }
-    }
-
-    // https://github.com/ant-design/ant-design/issues/19264
-    &-submenu-selected &-submenu-title {
-      color: @primary-color;
-    }
-  }
-
-  &.@{ant-prefix}-slide-down-enter.@{ant-prefix}-slide-down-enter-active&-placement-bottomLeft,
-  &.@{ant-prefix}-slide-down-appear.@{ant-prefix}-slide-down-appear-active&-placement-bottomLeft,
-  &.@{ant-prefix}-slide-down-enter.@{ant-prefix}-slide-down-enter-active&-placement-bottom,
-  &.@{ant-prefix}-slide-down-appear.@{ant-prefix}-slide-down-appear-active&-placement-bottom,
-  &.@{ant-prefix}-slide-down-enter.@{ant-prefix}-slide-down-enter-active&-placement-bottomRight,
-  &.@{ant-prefix}-slide-down-appear.@{ant-prefix}-slide-down-appear-active&-placement-bottomRight {
-    animation-name: antSlideUpIn;
-  }
-
-  &.@{ant-prefix}-slide-up-enter.@{ant-prefix}-slide-up-enter-active&-placement-topLeft,
-  &.@{ant-prefix}-slide-up-appear.@{ant-prefix}-slide-up-appear-active&-placement-topLeft,
-  &.@{ant-prefix}-slide-up-enter.@{ant-prefix}-slide-up-enter-active&-placement-top,
-  &.@{ant-prefix}-slide-up-appear.@{ant-prefix}-slide-up-appear-active&-placement-top,
-  &.@{ant-prefix}-slide-up-enter.@{ant-prefix}-slide-up-enter-active&-placement-topRight,
-  &.@{ant-prefix}-slide-up-appear.@{ant-prefix}-slide-up-appear-active&-placement-topRight {
-    animation-name: antSlideDownIn;
-  }
-
-  &.@{ant-prefix}-slide-down-leave.@{ant-prefix}-slide-down-leave-active&-placement-bottomLeft,
-  &.@{ant-prefix}-slide-down-leave.@{ant-prefix}-slide-down-leave-active&-placement-bottom,
-  &.@{ant-prefix}-slide-down-leave.@{ant-prefix}-slide-down-leave-active&-placement-bottomRight {
-    animation-name: antSlideUpOut;
-  }
-
-  &.@{ant-prefix}-slide-up-leave.@{ant-prefix}-slide-up-leave-active&-placement-topLeft,
-  &.@{ant-prefix}-slide-up-leave.@{ant-prefix}-slide-up-leave-active&-placement-top,
-  &.@{ant-prefix}-slide-up-leave.@{ant-prefix}-slide-up-leave-active&-placement-topRight {
-    animation-name: antSlideDownOut;
-  }
-}
-
-.@{dropdown-prefix-cls}-trigger,
-.@{dropdown-prefix-cls}-link,
-.@{dropdown-prefix-cls}-button {
-  > .@{iconfont-css-prefix}.@{iconfont-css-prefix}-down {
-    font-size: 10px;
-    vertical-align: baseline;
-  }
-}
-
-.@{dropdown-prefix-cls}-button {
-  white-space: nowrap;
-
-  &.@{ant-prefix}-btn-group > .@{ant-prefix}-btn {
-    &-loading,
-    &-loading + .@{ant-prefix}-btn {
-      cursor: default;
-      pointer-events: none;
-    }
-
-    &-loading + .@{ant-prefix}-btn::before {
-      display: block;
-    }
-
-    &:last-child:not(:first-child):not(.@{ant-prefix}-btn-icon-only) {
-      padding-right: @padding-xs;
-      padding-left: @padding-xs;
-    }
-  }
-}
-
-// https://github.com/ant-design/ant-design/issues/4903
-.@{dropdown-prefix-cls}-menu-dark {
-  &,
-  .@{dropdown-prefix-cls}-menu {
-    background: @menu-dark-bg;
-  }
-  .@{dropdown-prefix-cls}-menu-item,
-  .@{dropdown-prefix-cls}-menu-submenu-title,
-  .@{dropdown-prefix-cls}-menu-item > a,
-  .@{dropdown-prefix-cls}-menu-item > .@{iconfont-css-prefix} + span > a {
-    color: @text-color-secondary-dark;
-    .@{dropdown-prefix-cls}-menu-submenu-arrow::after {
-      color: @text-color-secondary-dark;
-    }
-
-    &:hover {
-      color: @text-color-inverse;
-      background: transparent;
-    }
-  }
-  .@{dropdown-prefix-cls}-menu-item-selected {
-    &,
-    &:hover,
-    > a {
-      color: @text-color-inverse;
-      background: @primary-color;
-    }
-  }
-}
-
-@import './rtl';
diff --git a/components/dropdown/style/index.ts b/components/dropdown/style/index.ts
new file mode 100644
index 000000000..5ea57e6f7
--- /dev/null
+++ b/components/dropdown/style/index.ts
@@ -0,0 +1,458 @@
+import { getArrowOffset } from '../../_style/placementArrow';
+import {
+  initMoveMotion,
+  initSlideMotion,
+  initZoomMotion,
+  slideDownIn,
+  slideDownOut,
+  slideUpIn,
+  slideUpOut,
+} from '../../_style/motion';
+import type { FullToken, GenerateStyle } from '../../theme/internal';
+import { genComponentStyleHook, mergeToken } from '../../theme/internal';
+import genButtonStyle from './button';
+import genStatusStyle from './status';
+import { genFocusStyle, resetComponent, roundedArrow } from '../../_style';
+
+export interface ComponentToken {
+  zIndexPopup: number;
+}
+
+export interface DropdownToken extends FullToken<'Dropdown'> {
+  rootPrefixCls: string;
+  dropdownArrowDistance: number;
+  dropdownArrowOffset: number;
+  dropdownPaddingVertical: number;
+  dropdownEdgeChildPadding: number;
+  menuCls: string;
+}
+
+// =============================== Base ===============================
+const genBaseStyle: GenerateStyle<DropdownToken> = token => {
+  const {
+    componentCls,
+    menuCls,
+    zIndexPopup,
+    dropdownArrowDistance,
+    dropdownArrowOffset,
+    sizePopupArrow,
+    antCls,
+    iconCls,
+    motionDurationMid,
+    dropdownPaddingVertical,
+    fontSize,
+    dropdownEdgeChildPadding,
+    colorTextDisabled,
+    fontSizeIcon,
+    controlPaddingHorizontal,
+    colorBgElevated,
+    boxShadowPopoverArrow,
+  } = token;
+
+  return [
+    {
+      [componentCls]: {
+        ...resetComponent(token),
+
+        position: 'absolute',
+        top: -9999,
+        left: {
+          _skip_check_: true,
+          value: -9999,
+        },
+        zIndex: zIndexPopup,
+        display: 'block',
+
+        // A placeholder out of dropdown visible range to avoid close when user moving
+        '&::before': {
+          position: 'absolute',
+          insetBlock: -dropdownArrowDistance + sizePopupArrow / 2,
+          // insetInlineStart: -7, // FIXME: Seems not work for hidden element
+          zIndex: -9999,
+          opacity: 0.0001,
+          content: '""',
+        },
+
+        [`${componentCls}-wrap`]: {
+          position: 'relative',
+
+          [`${antCls}-btn > ${iconCls}-down`]: {
+            fontSize: fontSizeIcon,
+          },
+
+          [`${iconCls}-down::before`]: {
+            transition: `transform ${motionDurationMid}`,
+          },
+        },
+
+        [`${componentCls}-wrap-open`]: {
+          [`${iconCls}-down::before`]: {
+            transform: `rotate(180deg)`,
+          },
+        },
+
+        [`
+        &-hidden,
+        &-menu-hidden,
+        &-menu-submenu-hidden
+      `]: {
+          display: 'none',
+        },
+
+        // =============================================================
+        // ==                          Arrow                          ==
+        // =============================================================
+        // Offset the popover to account for the dropdown arrow
+        [`
+        &-show-arrow${componentCls}-placement-topLeft,
+        &-show-arrow${componentCls}-placement-top,
+        &-show-arrow${componentCls}-placement-topRight
+      `]: {
+          paddingBottom: dropdownArrowDistance,
+        },
+
+        [`
+        &-show-arrow${componentCls}-placement-bottomLeft,
+        &-show-arrow${componentCls}-placement-bottom,
+        &-show-arrow${componentCls}-placement-bottomRight
+      `]: {
+          paddingTop: dropdownArrowDistance,
+        },
+
+        // Note: .popover-arrow is outer, .popover-arrow:after is inner
+        [`${componentCls}-arrow`]: {
+          position: 'absolute',
+          zIndex: 1, // lift it up so the menu wouldn't cask shadow on it
+          display: 'block',
+
+          ...roundedArrow(
+            sizePopupArrow,
+            token.borderRadiusXS,
+            token.borderRadiusOuter,
+            colorBgElevated,
+            boxShadowPopoverArrow,
+          ),
+        },
+
+        [`
+        &-placement-top > ${componentCls}-arrow,
+        &-placement-topLeft > ${componentCls}-arrow,
+        &-placement-topRight > ${componentCls}-arrow
+      `]: {
+          bottom: dropdownArrowDistance,
+          transform: 'translateY(100%) rotate(180deg)',
+        },
+
+        [`&-placement-top > ${componentCls}-arrow`]: {
+          left: {
+            _skip_check_: true,
+            value: '50%',
+          },
+          transform: 'translateX(-50%) translateY(100%) rotate(180deg)',
+        },
+
+        [`&-placement-topLeft > ${componentCls}-arrow`]: {
+          left: {
+            _skip_check_: true,
+            value: dropdownArrowOffset,
+          },
+        },
+
+        [`&-placement-topRight > ${componentCls}-arrow`]: {
+          right: {
+            _skip_check_: true,
+            value: dropdownArrowOffset,
+          },
+        },
+
+        [`
+          &-placement-bottom > ${componentCls}-arrow,
+          &-placement-bottomLeft > ${componentCls}-arrow,
+          &-placement-bottomRight > ${componentCls}-arrow
+        `]: {
+          top: dropdownArrowDistance,
+          transform: `translateY(-100%)`,
+        },
+
+        [`&-placement-bottom > ${componentCls}-arrow`]: {
+          left: {
+            _skip_check_: true,
+            value: '50%',
+          },
+          transform: `translateY(-100%) translateX(-50%)`,
+        },
+
+        [`&-placement-bottomLeft > ${componentCls}-arrow`]: {
+          left: {
+            _skip_check_: true,
+            value: dropdownArrowOffset,
+          },
+        },
+
+        [`&-placement-bottomRight > ${componentCls}-arrow`]: {
+          right: {
+            _skip_check_: true,
+            value: dropdownArrowOffset,
+          },
+        },
+
+        // =============================================================
+        // ==                         Motion                          ==
+        // =============================================================
+        // When position is not enough for dropdown, the placement will revert.
+        // We will handle this with revert motion name.
+        [`&${antCls}-slide-down-enter${antCls}-slide-down-enter-active${componentCls}-placement-bottomLeft,
+          &${antCls}-slide-down-appear${antCls}-slide-down-appear-active${componentCls}-placement-bottomLeft,
+          &${antCls}-slide-down-enter${antCls}-slide-down-enter-active${componentCls}-placement-bottom,
+          &${antCls}-slide-down-appear${antCls}-slide-down-appear-active${componentCls}-placement-bottom,
+          &${antCls}-slide-down-enter${antCls}-slide-down-enter-active${componentCls}-placement-bottomRight,
+          &${antCls}-slide-down-appear${antCls}-slide-down-appear-active${componentCls}-placement-bottomRight`]:
+          {
+            animationName: slideUpIn,
+          },
+
+        [`&${antCls}-slide-up-enter${antCls}-slide-up-enter-active${componentCls}-placement-topLeft,
+          &${antCls}-slide-up-appear${antCls}-slide-up-appear-active${componentCls}-placement-topLeft,
+          &${antCls}-slide-up-enter${antCls}-slide-up-enter-active${componentCls}-placement-top,
+          &${antCls}-slide-up-appear${antCls}-slide-up-appear-active${componentCls}-placement-top,
+          &${antCls}-slide-up-enter${antCls}-slide-up-enter-active${componentCls}-placement-topRight,
+          &${antCls}-slide-up-appear${antCls}-slide-up-appear-active${componentCls}-placement-topRight`]:
+          {
+            animationName: slideDownIn,
+          },
+
+        [`&${antCls}-slide-down-leave${antCls}-slide-down-leave-active${componentCls}-placement-bottomLeft,
+          &${antCls}-slide-down-leave${antCls}-slide-down-leave-active${componentCls}-placement-bottom,
+          &${antCls}-slide-down-leave${antCls}-slide-down-leave-active${componentCls}-placement-bottomRight`]:
+          {
+            animationName: slideUpOut,
+          },
+
+        [`&${antCls}-slide-up-leave${antCls}-slide-up-leave-active${componentCls}-placement-topLeft,
+          &${antCls}-slide-up-leave${antCls}-slide-up-leave-active${componentCls}-placement-top,
+          &${antCls}-slide-up-leave${antCls}-slide-up-leave-active${componentCls}-placement-topRight`]:
+          {
+            animationName: slideDownOut,
+          },
+      },
+    },
+
+    {
+      // =============================================================
+      // ==                          Menu                           ==
+      // =============================================================
+      [`${componentCls} ${menuCls}`]: {
+        position: 'relative',
+        margin: 0,
+      },
+
+      [`${menuCls}-submenu-popup`]: {
+        position: 'absolute',
+        zIndex: zIndexPopup,
+        background: 'transparent',
+        boxShadow: 'none',
+        transformOrigin: '0 0',
+
+        'ul,li': {
+          listStyle: 'none',
+        },
+
+        ul: {
+          marginInline: '0.3em',
+        },
+      },
+
+      [`${componentCls}, ${componentCls}-menu-submenu`]: {
+        [menuCls]: {
+          padding: dropdownEdgeChildPadding,
+          listStyleType: 'none',
+          backgroundColor: colorBgElevated,
+          backgroundClip: 'padding-box',
+          borderRadius: token.borderRadiusLG,
+          outline: 'none',
+          boxShadow: token.boxShadowSecondary,
+          ...genFocusStyle(token),
+
+          [`${menuCls}-item-group-title`]: {
+            padding: `${dropdownPaddingVertical}px ${controlPaddingHorizontal}px`,
+            color: token.colorTextDescription,
+            transition: `all ${motionDurationMid}`,
+          },
+
+          // ======================= Item Content =======================
+          [`${menuCls}-item`]: {
+            position: 'relative',
+            display: 'flex',
+            alignItems: 'center',
+            borderRadius: token.borderRadiusSM,
+          },
+
+          [`${menuCls}-item-icon`]: {
+            minWidth: fontSize,
+            marginInlineEnd: token.marginXS,
+            fontSize: token.fontSizeSM,
+          },
+
+          [`${menuCls}-title-content`]: {
+            flex: 'auto',
+
+            '> a': {
+              color: 'inherit',
+              transition: `all ${motionDurationMid}`,
+
+              '&:hover': {
+                color: 'inherit',
+              },
+
+              '&::after': {
+                position: 'absolute',
+                inset: 0,
+                content: '""',
+              },
+            },
+          },
+
+          // =========================== Item ===========================
+          [`${menuCls}-item, ${menuCls}-submenu-title`]: {
+            clear: 'both',
+            margin: 0,
+            padding: `${dropdownPaddingVertical}px ${controlPaddingHorizontal}px`,
+            color: token.colorText,
+            fontWeight: 'normal',
+            fontSize,
+            lineHeight: token.lineHeight,
+            cursor: 'pointer',
+            transition: `all ${motionDurationMid}`,
+
+            [`&:hover, &-active`]: {
+              backgroundColor: token.controlItemBgHover,
+            },
+
+            ...genFocusStyle(token),
+
+            '&-selected': {
+              color: token.colorPrimary,
+              backgroundColor: token.controlItemBgActive,
+              '&:hover, &-active': {
+                backgroundColor: token.controlItemBgActiveHover,
+              },
+            },
+
+            '&-disabled': {
+              color: colorTextDisabled,
+              cursor: 'not-allowed',
+
+              '&:hover': {
+                color: colorTextDisabled,
+                backgroundColor: colorBgElevated,
+                cursor: 'not-allowed',
+              },
+
+              a: {
+                pointerEvents: 'none',
+              },
+            },
+
+            '&-divider': {
+              height: 1, // By design
+              margin: `${token.marginXXS}px 0`,
+              overflow: 'hidden',
+              lineHeight: 0,
+              backgroundColor: token.colorSplit,
+            },
+
+            [`${componentCls}-menu-submenu-expand-icon`]: {
+              position: 'absolute',
+              insetInlineEnd: token.paddingXS,
+
+              [`${componentCls}-menu-submenu-arrow-icon`]: {
+                marginInlineEnd: '0 !important',
+                color: token.colorTextDescription,
+                fontSize: fontSizeIcon,
+                fontStyle: 'normal',
+              },
+            },
+          },
+
+          [`${menuCls}-item-group-list`]: {
+            margin: `0 ${token.marginXS}px`,
+            padding: 0,
+            listStyle: 'none',
+          },
+
+          [`${menuCls}-submenu-title`]: {
+            paddingInlineEnd: controlPaddingHorizontal + token.fontSizeSM,
+          },
+
+          [`${menuCls}-submenu-vertical`]: {
+            position: 'relative',
+          },
+
+          [`${menuCls}-submenu${menuCls}-submenu-disabled ${componentCls}-menu-submenu-title`]: {
+            [`&, ${componentCls}-menu-submenu-arrow-icon`]: {
+              color: colorTextDisabled,
+              backgroundColor: colorBgElevated,
+              cursor: 'not-allowed',
+            },
+          },
+
+          // https://github.com/ant-design/ant-design/issues/19264
+          [`${menuCls}-submenu-selected ${componentCls}-menu-submenu-title`]: {
+            color: token.colorPrimary,
+          },
+        },
+      },
+    },
+
+    // Follow code may reuse in other components
+    [
+      initSlideMotion(token, 'slide-up'),
+      initSlideMotion(token, 'slide-down'),
+      initMoveMotion(token, 'move-up'),
+      initMoveMotion(token, 'move-down'),
+      initZoomMotion(token, 'zoom-big'),
+    ],
+  ];
+};
+
+// ============================== Export ==============================
+export default genComponentStyleHook(
+  'Dropdown',
+  (token, { rootPrefixCls }) => {
+    const {
+      marginXXS,
+      sizePopupArrow,
+      controlHeight,
+      fontSize,
+      lineHeight,
+      paddingXXS,
+      componentCls,
+      borderRadiusOuter,
+      borderRadiusLG,
+    } = token;
+
+    const dropdownPaddingVertical = (controlHeight - fontSize * lineHeight) / 2;
+    const { dropdownArrowOffset } = getArrowOffset({
+      sizePopupArrow,
+      contentRadius: borderRadiusLG,
+      borderRadiusOuter,
+    });
+
+    const dropdownToken = mergeToken<DropdownToken>(token, {
+      menuCls: `${componentCls}-menu`,
+      rootPrefixCls,
+      dropdownArrowDistance: sizePopupArrow / 2 + marginXXS,
+      dropdownArrowOffset,
+      dropdownPaddingVertical,
+      dropdownEdgeChildPadding: paddingXXS,
+    });
+    return [
+      genBaseStyle(dropdownToken),
+      genButtonStyle(dropdownToken),
+      genStatusStyle(dropdownToken),
+    ];
+  },
+  token => ({
+    zIndexPopup: token.zIndexPopupBase + 50,
+  }),
+);
diff --git a/components/dropdown/style/index.tsx b/components/dropdown/style/index.tsx
deleted file mode 100644
index 416ec0177..000000000
--- a/components/dropdown/style/index.tsx
+++ /dev/null
@@ -1,5 +0,0 @@
-import '../../style/index.less';
-import './index.less';
-
-// style dependencies
-import '../../button/style';
diff --git a/components/dropdown/style/rtl.less b/components/dropdown/style/rtl.less
deleted file mode 100644
index 8d77d8301..000000000
--- a/components/dropdown/style/rtl.less
+++ /dev/null
@@ -1,90 +0,0 @@
-@import '../../style/themes/index';
-@import '../../style/mixins/index';
-
-@dropdown-prefix-cls: ~'@{ant-prefix}-dropdown';
-
-.@{dropdown-prefix-cls} {
-  &-rtl {
-    direction: rtl;
-  }
-
-  &::before {
-    .@{dropdown-prefix-cls}-rtl& {
-      right: -7px;
-      left: 0;
-    }
-  }
-
-  &-menu {
-    &&-rtl {
-      direction: rtl;
-      text-align: right;
-    }
-
-    &-item-group-title {
-      .@{dropdown-prefix-cls}-rtl &,
-      .@{dropdown-prefix-cls}-menu-submenu-rtl & {
-        direction: rtl;
-        text-align: right;
-      }
-    }
-
-    &-submenu-popup {
-      &.@{dropdown-prefix-cls}-menu-submenu-rtl {
-        transform-origin: 100% 0;
-      }
-
-      ul,
-      li {
-        .@{dropdown-prefix-cls}-rtl & {
-          text-align: right;
-        }
-      }
-    }
-
-    &-item,
-    &-submenu-title {
-      .@{dropdown-prefix-cls}-rtl & {
-        text-align: right;
-      }
-
-      > .@{iconfont-css-prefix}:first-child,
-      > span > .@{iconfont-css-prefix}:first-child {
-        .@{dropdown-prefix-cls}-rtl & {
-          margin-right: 0;
-          margin-left: 8px;
-        }
-      }
-
-      .@{dropdown-prefix-cls}-menu-submenu-expand-icon {
-        .@{dropdown-prefix-cls}-rtl & {
-          right: auto;
-          left: @padding-xs;
-        }
-
-        .@{dropdown-prefix-cls}-menu-submenu-arrow-icon {
-          .@{dropdown-prefix-cls}-rtl & {
-            margin-left: 0 !important;
-            transform: scaleX(-1);
-          }
-        }
-      }
-    }
-
-    &-submenu-title {
-      .@{dropdown-prefix-cls}-rtl & {
-        padding-right: @control-padding-horizontal;
-        padding-left: @control-padding-horizontal + @font-size-sm;
-      }
-    }
-
-    &-submenu-vertical > & {
-      .@{dropdown-prefix-cls}-rtl & {
-        right: 100%;
-        left: 0;
-        margin-right: 4px;
-        margin-left: 0;
-      }
-    }
-  }
-}
diff --git a/components/dropdown/style/status.less b/components/dropdown/style/status.less
deleted file mode 100644
index e370a8722..000000000
--- a/components/dropdown/style/status.less
+++ /dev/null
@@ -1,14 +0,0 @@
-@import (reference) '../../style/themes/index';
-
-@dropdown-prefix-cls: ~'@{ant-prefix}-dropdown';
-
-.@{dropdown-prefix-cls}-menu-item {
-  &&-danger {
-    color: @error-color;
-
-    &:hover {
-      color: @text-color-inverse;
-      background-color: @error-color;
-    }
-  }
-}
diff --git a/components/dropdown/style/status.ts b/components/dropdown/style/status.ts
new file mode 100644
index 000000000..8035b953f
--- /dev/null
+++ b/components/dropdown/style/status.ts
@@ -0,0 +1,25 @@
+import type { DropdownToken } from '.';
+import type { GenerateStyle } from '../../theme/internal';
+
+const genStatusStyle: GenerateStyle<DropdownToken> = token => {
+  const { componentCls, menuCls, colorError, colorTextLightSolid } = token;
+
+  const itemCls = `${menuCls}-item`;
+
+  return {
+    [`${componentCls}, ${componentCls}-menu-submenu`]: {
+      [`${menuCls} ${itemCls}`]: {
+        [`&${itemCls}-danger:not(${itemCls}-disabled)`]: {
+          color: colorError,
+
+          '&:hover': {
+            color: colorTextLightSolid,
+            backgroundColor: colorError,
+          },
+        },
+      },
+    },
+  };
+};
+
+export default genStatusStyle;
diff --git a/components/menu/src/Menu.tsx b/components/menu/src/Menu.tsx
index 6395a0541..9f260d10f 100644
--- a/components/menu/src/Menu.tsx
+++ b/components/menu/src/Menu.tsx
@@ -392,7 +392,7 @@ export default defineComponent({
 
     const lastVisibleIndex = ref(0);
     const expandIcon = computed<MenuProps['expandIcon']>(() =>
-      props.expandIcon || slots.expandIcon
+      props.expandIcon || slots.expandIcon || override?.expandIcon?.value
         ? opt => {
             let icon = props.expandIcon || slots.expandIcon;
             icon = typeof icon === 'function' ? icon(opt) : icon;
diff --git a/components/menu/src/OverrideContext.ts b/components/menu/src/OverrideContext.ts
index 8a4eb064f..92c158799 100644
--- a/components/menu/src/OverrideContext.ts
+++ b/components/menu/src/OverrideContext.ts
@@ -9,6 +9,7 @@ export interface OverrideContextProps {
   selectable?: ComputedRef<boolean>;
   validator?: (menuProps: Pick<MenuProps, 'mode'>) => void;
   onClick?: () => void;
+  expandIcon?: ComputedRef<any>;
 }
 export const OverrideContextKey: InjectionKey<OverrideContextProps> = Symbol('OverrideContextKey');
 export const useInjectOverride = () => {
@@ -16,12 +17,13 @@ export const useInjectOverride = () => {
 };
 
 export const useProvideOverride = (props: OverrideContextProps) => {
-  const { prefixCls, mode, selectable, validator, onClick } = useInjectOverride() || {};
+  const { prefixCls, mode, selectable, validator, onClick, expandIcon } = useInjectOverride() || {};
   provide(OverrideContextKey, {
     prefixCls: computed(() => (props.prefixCls?.value ?? prefixCls?.value) as string),
     mode: computed(() => props.mode?.value ?? mode?.value),
     selectable: computed(() => (props.selectable?.value ?? selectable?.value) as boolean),
     validator: props.validator ?? validator,
     onClick: props.onClick ?? onClick,
+    expandIcon: props.expandIcon ?? expandIcon?.value,
   });
 };
diff --git a/components/popconfirm/style/index.less b/components/popconfirm/style/index.less
deleted file mode 100644
index b753bc432..000000000
--- a/components/popconfirm/style/index.less
+++ /dev/null
@@ -1,8 +0,0 @@
-@import '../../style/themes/index';
-@import '../../style/mixins/index';
-
-@popconfirm-prefix-cls: ~'@{ant-prefix}-popconfirm';
-
-.@{popconfirm-prefix-cls} {
-  z-index: @zindex-popoconfirm;
-}
diff --git a/components/popconfirm/style/index.ts b/components/popconfirm/style/index.ts
new file mode 100644
index 000000000..39b4f32cf
--- /dev/null
+++ b/components/popconfirm/style/index.ts
@@ -0,0 +1,89 @@
+import type { FullToken, GenerateStyle } from '../../theme/internal';
+import { genComponentStyleHook } from '../../theme/internal';
+
+export interface ComponentToken {
+  zIndexPopup: number;
+}
+
+export interface PopconfirmToken extends FullToken<'Popconfirm'> {}
+
+// =============================== Base ===============================
+const genBaseStyle: GenerateStyle<PopconfirmToken> = token => {
+  const {
+    componentCls,
+    iconCls,
+    zIndexPopup,
+    colorText,
+    colorWarning,
+    marginXS,
+    fontSize,
+    fontWeightStrong,
+    lineHeight,
+  } = token;
+
+  return {
+    [componentCls]: {
+      zIndex: zIndexPopup,
+
+      [`${componentCls}-inner-content`]: {
+        color: colorText,
+      },
+
+      [`${componentCls}-message`]: {
+        position: 'relative',
+        marginBottom: marginXS,
+        color: colorText,
+        fontSize,
+        display: 'flex',
+        flexWrap: 'nowrap',
+        alignItems: 'start',
+
+        [`> ${componentCls}-message-icon ${iconCls}`]: {
+          color: colorWarning,
+          fontSize,
+          flex: 'none',
+          lineHeight: 1,
+          paddingTop: (Math.round(fontSize * lineHeight) - fontSize) / 2,
+        },
+
+        '&-title': {
+          flex: 'auto',
+          marginInlineStart: marginXS,
+        },
+
+        '&-title-only': {
+          fontWeight: fontWeightStrong,
+        },
+      },
+
+      [`${componentCls}-description`]: {
+        position: 'relative',
+        marginInlineStart: fontSize + marginXS,
+        marginBottom: marginXS,
+        color: colorText,
+        fontSize,
+      },
+
+      [`${componentCls}-buttons`]: {
+        textAlign: 'end',
+
+        button: {
+          marginInlineStart: marginXS,
+        },
+      },
+    },
+  };
+};
+
+// ============================== Export ==============================
+export default genComponentStyleHook(
+  'Popconfirm',
+  token => genBaseStyle(token),
+  token => {
+    const { zIndexPopupBase } = token;
+
+    return {
+      zIndexPopup: zIndexPopupBase + 60,
+    };
+  },
+);
diff --git a/components/popconfirm/style/index.tsx b/components/popconfirm/style/index.tsx
deleted file mode 100644
index f0c7bbe6d..000000000
--- a/components/popconfirm/style/index.tsx
+++ /dev/null
@@ -1,8 +0,0 @@
-import '../../style/index.less';
-
-// style dependencies
-// deps-lint-skip: tooltip, popover
-import '../../popover/style';
-import '../../button/style';
-
-import './index.less';
diff --git a/components/popover/style/index.less b/components/popover/style/index.less
deleted file mode 100644
index bc053f6bc..000000000
--- a/components/popover/style/index.less
+++ /dev/null
@@ -1,258 +0,0 @@
-@import '../../style/themes/index';
-@import '../../style/mixins/index';
-
-@popover-prefix-cls: ~'@{ant-prefix}-popover';
-
-@popover-arrow-rotate-width: sqrt(@popover-arrow-width * @popover-arrow-width * 2);
-
-@popover-arrow-offset-vertical: 12px;
-@popover-arrow-offset-horizontal: 16px;
-
-.@{popover-prefix-cls} {
-  .reset-component();
-
-  position: absolute;
-  top: 0;
-  left: 0;
-  z-index: @zindex-popover;
-  font-weight: normal;
-  white-space: normal;
-  text-align: left;
-  cursor: auto;
-  user-select: text;
-
-  &::after {
-    position: absolute;
-    background: fade(@white, 1%);
-    content: '';
-  }
-
-  &-hidden {
-    display: none;
-  }
-
-  // Offset the popover to account for the popover arrow
-  &-placement-top,
-  &-placement-topLeft,
-  &-placement-topRight {
-    padding-bottom: @popover-distance;
-  }
-
-  &-placement-right,
-  &-placement-rightTop,
-  &-placement-rightBottom {
-    padding-left: @popover-distance;
-  }
-
-  &-placement-bottom,
-  &-placement-bottomLeft,
-  &-placement-bottomRight {
-    padding-top: @popover-distance;
-  }
-
-  &-placement-left,
-  &-placement-leftTop,
-  &-placement-leftBottom {
-    padding-right: @popover-distance;
-  }
-
-  &-inner {
-    background-color: @popover-bg;
-    background-clip: padding-box;
-    border-radius: @border-radius-base;
-    box-shadow: @box-shadow-base;
-    box-shadow: ~'0 0 8px @{shadow-color} \9';
-  }
-
-  @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
-    /* IE10+ */
-    &-inner {
-      box-shadow: @box-shadow-base;
-    }
-  }
-
-  &-title {
-    min-width: @popover-min-width;
-    min-height: @popover-min-height;
-    margin: 0; // reset heading margin
-    padding: 5px @popover-padding-horizontal 4px;
-    color: @heading-color;
-    font-weight: 500;
-    border-bottom: 1px solid @border-color-split;
-  }
-
-  &-inner-content {
-    padding: @padding-sm @popover-padding-horizontal;
-    color: @popover-color;
-  }
-
-  &-message {
-    position: relative;
-    padding: 4px 0 12px;
-    color: @popover-color;
-    font-size: @font-size-base;
-    > .@{iconfont-css-prefix} {
-      position: absolute;
-      top: (
-        4px + ((@line-height-base * @font-size-base - @font-size-base) / 2)
-      ); // 4px for padding-top, 4px for vertical middle
-      color: @warning-color;
-      font-size: @font-size-base;
-    }
-
-    &-title {
-      padding-left: @font-size-base + 8px;
-    }
-  }
-
-  &-buttons {
-    margin-bottom: 4px;
-    text-align: right;
-
-    button:not(:first-child) {
-      margin-left: 8px;
-    }
-  }
-
-  // Arrows
-  &-arrow {
-    position: absolute;
-    display: block;
-    width: @popover-arrow-rotate-width;
-    height: @popover-arrow-rotate-width;
-    overflow: hidden;
-    background: transparent;
-    pointer-events: none;
-
-    &-content {
-      position: absolute;
-      top: 0;
-      right: 0;
-      bottom: 0;
-      left: 0;
-      display: block;
-      width: @popover-arrow-width;
-      height: @popover-arrow-width;
-      margin: auto;
-      background-color: @popover-bg;
-      content: '';
-      pointer-events: auto;
-      .roundedArrow(@popover-arrow-width, 5px, @popover-bg);
-    }
-  }
-
-  &-placement-top &-arrow,
-  &-placement-topLeft &-arrow,
-  &-placement-topRight &-arrow {
-    bottom: @popover-distance - @popover-arrow-rotate-width;
-
-    &-content {
-      box-shadow: 3px 3px 7px fade(@black, 7%);
-      transform: translateY((-@popover-arrow-rotate-width / 2)) rotate(45deg);
-    }
-  }
-
-  &-placement-top &-arrow {
-    left: 50%;
-    transform: translateX(-50%);
-  }
-
-  &-placement-topLeft &-arrow {
-    left: @popover-arrow-offset-horizontal;
-  }
-
-  &-placement-topRight &-arrow {
-    right: @popover-arrow-offset-horizontal;
-  }
-
-  &-placement-right &-arrow,
-  &-placement-rightTop &-arrow,
-  &-placement-rightBottom &-arrow {
-    left: @popover-distance - @popover-arrow-rotate-width;
-
-    &-content {
-      box-shadow: 3px 3px 7px fade(@black, 7%);
-      transform: translateX((@popover-arrow-rotate-width / 2)) rotate(135deg);
-    }
-  }
-
-  &-placement-right &-arrow {
-    top: 50%;
-    transform: translateY(-50%);
-  }
-
-  &-placement-rightTop &-arrow {
-    top: @popover-arrow-offset-vertical;
-  }
-
-  &-placement-rightBottom &-arrow {
-    bottom: @popover-arrow-offset-vertical;
-  }
-
-  &-placement-bottom &-arrow,
-  &-placement-bottomLeft &-arrow,
-  &-placement-bottomRight &-arrow {
-    top: @popover-distance - @popover-arrow-rotate-width;
-
-    &-content {
-      box-shadow: 2px 2px 5px fade(@black, 6%);
-      transform: translateY((@popover-arrow-rotate-width / 2)) rotate(-135deg);
-    }
-  }
-
-  &-placement-bottom &-arrow {
-    left: 50%;
-    transform: translateX(-50%);
-  }
-
-  &-placement-bottomLeft &-arrow {
-    left: @popover-arrow-offset-horizontal;
-  }
-
-  &-placement-bottomRight &-arrow {
-    right: @popover-arrow-offset-horizontal;
-  }
-
-  &-placement-left &-arrow,
-  &-placement-leftTop &-arrow,
-  &-placement-leftBottom &-arrow {
-    right: @popover-distance - @popover-arrow-rotate-width;
-
-    &-content {
-      box-shadow: 3px 3px 7px fade(@black, 7%);
-      transform: translateX((-@popover-arrow-rotate-width / 2)) rotate(-45deg);
-    }
-  }
-
-  &-placement-left &-arrow {
-    top: 50%;
-    transform: translateY(-50%);
-  }
-
-  &-placement-leftTop &-arrow {
-    top: @popover-arrow-offset-vertical;
-  }
-
-  &-placement-leftBottom &-arrow {
-    bottom: @popover-arrow-offset-vertical;
-  }
-}
-
-.generator-popover-preset-color(@i: length(@preset-colors)) when (@i > 0) {
-  .generator-popover-preset-color(@i - 1);
-  @color: extract(@preset-colors, @i);
-  @lightColor: '@{color}-6';
-  .@{popover-prefix-cls}-@{color} {
-    .@{popover-prefix-cls}-inner {
-      background-color: @@lightColor;
-    }
-    .@{popover-prefix-cls}-arrow {
-      &-content {
-        background-color: @@lightColor;
-      }
-    }
-  }
-}
-.generator-popover-preset-color();
-
-@import './rtl';
diff --git a/components/popover/style/index.ts b/components/popover/style/index.ts
new file mode 100644
index 000000000..40a41953f
--- /dev/null
+++ b/components/popover/style/index.ts
@@ -0,0 +1,183 @@
+import { initZoomMotion } from '../../_style/motion';
+import type { FullToken, GenerateStyle, PresetColorType } from '../../theme/internal';
+import { genComponentStyleHook, mergeToken, PresetColors } from '../../theme/internal';
+import { resetComponent } from '../../_style';
+import getArrowStyle from '../../_style/placementArrow';
+
+export interface ComponentToken {
+  zIndexPopup: number;
+  width: number;
+}
+
+export type PopoverToken = FullToken<'Popover'> & {
+  popoverBg: string;
+  popoverColor: string;
+  popoverPadding: number | string;
+};
+
+const genBaseStyle: GenerateStyle<PopoverToken> = token => {
+  const {
+    componentCls,
+    popoverBg,
+    popoverColor,
+    width,
+    fontWeightStrong,
+    popoverPadding,
+    boxShadowSecondary,
+    colorTextHeading,
+    borderRadiusLG: borderRadius,
+    zIndexPopup,
+    marginXS,
+    colorBgElevated,
+  } = token;
+
+  return [
+    {
+      [componentCls]: {
+        ...resetComponent(token),
+        position: 'absolute',
+        top: 0,
+        // use `left` to fix https://github.com/ant-design/ant-design/issues/39195
+        left: {
+          _skip_check_: true,
+          value: 0,
+        },
+        zIndex: zIndexPopup,
+        fontWeight: 'normal',
+        whiteSpace: 'normal',
+        textAlign: 'start',
+        cursor: 'auto',
+        userSelect: 'text',
+        '--antd-arrow-background-color': colorBgElevated,
+
+        '&-rtl': {
+          direction: 'rtl',
+        },
+
+        '&-hidden': {
+          display: 'none',
+        },
+
+        [`${componentCls}-content`]: {
+          position: 'relative',
+        },
+
+        [`${componentCls}-inner`]: {
+          backgroundColor: popoverBg,
+          backgroundClip: 'padding-box',
+          borderRadius,
+          boxShadow: boxShadowSecondary,
+          padding: popoverPadding,
+        },
+
+        [`${componentCls}-title`]: {
+          minWidth: width,
+          marginBottom: marginXS,
+          color: colorTextHeading,
+          fontWeight: fontWeightStrong,
+        },
+
+        [`${componentCls}-inner-content`]: {
+          color: popoverColor,
+        },
+      },
+    },
+
+    // Arrow Style
+    getArrowStyle(token, { colorBg: 'var(--antd-arrow-background-color)' }),
+
+    // Pure Render
+    {
+      [`${componentCls}-pure`]: {
+        position: 'relative',
+        maxWidth: 'none',
+
+        [`${componentCls}-content`]: {
+          display: 'inline-block',
+        },
+      },
+    },
+  ];
+};
+
+const genColorStyle: GenerateStyle<PopoverToken> = token => {
+  const { componentCls } = token;
+
+  return {
+    [componentCls]: PresetColors.map((colorKey: keyof PresetColorType) => {
+      const lightColor = token[`${colorKey}-6`];
+      return {
+        [`&${componentCls}-${colorKey}`]: {
+          '--antd-arrow-background-color': lightColor,
+          [`${componentCls}-inner`]: {
+            backgroundColor: lightColor,
+          },
+          [`${componentCls}-arrow`]: {
+            background: 'transparent',
+          },
+        },
+      };
+    }),
+  };
+};
+
+const genWireframeStyle: GenerateStyle<PopoverToken> = token => {
+  const {
+    componentCls,
+    lineWidth,
+    lineType,
+    colorSplit,
+    paddingSM,
+    controlHeight,
+    fontSize,
+    lineHeight,
+    padding,
+  } = token;
+
+  const titlePaddingBlockDist = controlHeight - Math.round(fontSize * lineHeight);
+  const popoverTitlePaddingBlockTop = titlePaddingBlockDist / 2;
+  const popoverTitlePaddingBlockBottom = titlePaddingBlockDist / 2 - lineWidth;
+  const popoverPaddingHorizontal = padding;
+
+  return {
+    [componentCls]: {
+      [`${componentCls}-inner`]: {
+        padding: 0,
+      },
+
+      [`${componentCls}-title`]: {
+        margin: 0,
+        padding: `${popoverTitlePaddingBlockTop}px ${popoverPaddingHorizontal}px ${popoverTitlePaddingBlockBottom}px`,
+        borderBottom: `${lineWidth}px ${lineType} ${colorSplit}`,
+      },
+
+      [`${componentCls}-inner-content`]: {
+        padding: `${paddingSM}px ${popoverPaddingHorizontal}px`,
+      },
+    },
+  };
+};
+
+export default genComponentStyleHook(
+  'Popover',
+  token => {
+    const { colorBgElevated, colorText, wireframe } = token;
+
+    const popoverToken = mergeToken<PopoverToken>(token, {
+      popoverBg: colorBgElevated,
+      popoverColor: colorText,
+      popoverPadding: 12, // Fixed Value
+    });
+
+    return [
+      genBaseStyle(popoverToken),
+      genColorStyle(popoverToken),
+      wireframe && genWireframeStyle(popoverToken),
+      initZoomMotion(popoverToken, 'zoom-big'),
+    ];
+  },
+  ({ zIndexPopupBase }) => ({
+    zIndexPopup: zIndexPopupBase + 30,
+    width: 177,
+  }),
+);
diff --git a/components/popover/style/index.tsx b/components/popover/style/index.tsx
deleted file mode 100644
index 9f2a34a79..000000000
--- a/components/popover/style/index.tsx
+++ /dev/null
@@ -1,5 +0,0 @@
-import '../../style/index.less';
-import './index.less';
-
-// style dependencies
-// deps-lint-skip: tooltip
diff --git a/components/popover/style/rtl.less b/components/popover/style/rtl.less
deleted file mode 100644
index dece824b8..000000000
--- a/components/popover/style/rtl.less
+++ /dev/null
@@ -1,33 +0,0 @@
-@import '../../style/themes/index';
-@import '../../style/mixins/index';
-
-@popover-prefix-cls: ~'@{ant-prefix}-popover';
-
-.@{popover-prefix-cls} {
-  &-rtl {
-    direction: rtl;
-    text-align: right;
-  }
-
-  &-message {
-    &-title {
-      .@{popover-prefix-cls}-rtl & {
-        padding-right: @font-size-base + 8px;
-        padding-left: @padding-md;
-      }
-    }
-  }
-
-  &-buttons {
-    .@{popover-prefix-cls}-rtl & {
-      text-align: left;
-    }
-
-    button {
-      .@{popover-prefix-cls}-rtl & {
-        margin-right: 8px;
-        margin-left: 0;
-      }
-    }
-  }
-}
diff --git a/components/style.ts b/components/style.ts
index eb1179207..a360f5f65 100644
--- a/components/style.ts
+++ b/components/style.ts
@@ -11,11 +11,11 @@ import './pagination/style';
 import './tabs/style';
 import './input/style';
 // import './tooltip/style';
-import './popover/style';
-import './popconfirm/style';
+// import './popover/style';
+// import './popconfirm/style';
 // import './menu/style';
 import './mentions/style';
-import './dropdown/style';
+// import './dropdown/style';
 // import './divider/style';
 import './card/style';
 import './collapse/style';
diff --git a/components/theme/interface/components.ts b/components/theme/interface/components.ts
index d58511a5b..997061b13 100644
--- a/components/theme/interface/components.ts
+++ b/components/theme/interface/components.ts
@@ -12,7 +12,7 @@ import type { ComponentToken as ButtonComponentToken } from '../../button/style'
 // import type { ComponentToken as CollapseComponentToken } from '../../collapse/style';
 // import type { ComponentToken as DatePickerComponentToken } from '../../date-picker/style';
 import type { ComponentToken as DividerComponentToken } from '../../divider/style';
-// import type { ComponentToken as DropdownComponentToken } from '../../dropdown/style';
+import type { ComponentToken as DropdownComponentToken } from '../../dropdown/style';
 // import type { ComponentToken as DrawerComponentToken } from '../../drawer/style';
 // import type { ComponentToken as EmptyComponentToken } from '../../empty/style';
 // import type { ComponentToken as ImageComponentToken } from '../../image/style';
@@ -24,8 +24,8 @@ import type { ComponentToken as MenuComponentToken } from '../../menu/style';
 import type { ComponentToken as MessageComponentToken } from '../../message/style';
 import type { ComponentToken as ModalComponentToken } from '../../modal/style';
 import type { ComponentToken as NotificationComponentToken } from '../../notification/style';
-// import type { ComponentToken as PopconfirmComponentToken } from '../../popconfirm/style';
-// import type { ComponentToken as PopoverComponentToken } from '../../popover/style';
+import type { ComponentToken as PopconfirmComponentToken } from '../../popconfirm/style';
+import type { ComponentToken as PopoverComponentToken } from '../../popover/style';
 // import type { ComponentToken as ProgressComponentToken } from '../../progress/style';
 // import type { ComponentToken as RadioComponentToken } from '../../radio/style';
 // import type { ComponentToken as RateComponentToken } from '../../rate/style';
@@ -68,7 +68,7 @@ export interface ComponentTokenMap {
   Descriptions?: {};
   Divider?: DividerComponentToken;
   //   Drawer?: DrawerComponentToken;
-  //   Dropdown?: DropdownComponentToken;
+  Dropdown?: DropdownComponentToken;
   //   Empty?: EmptyComponentToken;
   //   FloatButton?: FloatButtonComponentToken;
   Form?: {};
@@ -81,8 +81,8 @@ export interface ComponentTokenMap {
   //   Mentions?: MentionsComponentToken;
   Notification?: NotificationComponentToken;
   Pagination?: {};
-  //   Popover?: PopoverComponentToken;
-  //   Popconfirm?: PopconfirmComponentToken;
+  Popover?: PopoverComponentToken;
+  Popconfirm?: PopconfirmComponentToken;
   //   Rate?: RateComponentToken;
   //   Radio?: RadioComponentToken;
   //   Result?: ResultComponentToken;