release: 4.0.0-rc.3

* types: add types of all theme vars

* types: export all theme vars

* types: add ConfigProviderThemeVars

* fix: repeat key

* docs: add doc

packages/vant-cli/site/common/style/vars.less

@@ -1,4 +1,4 @@
-body {
+:root {
   // colors
   --van-doc-black: #000;
   --van-doc-white: #fff;

packages/vant-cli/site/desktop/components/Header.vue

@@ -138,8 +138,8 @@ export default {
     currentTheme: {
       handler(newVal, oldVal) {
         window.localStorage.setItem('vantTheme', newVal);
-        document.body.classList.remove(`van-doc-theme-${oldVal}`);
+        document.documentElement.classList.remove(`van-doc-theme-${oldVal}`);
-        document.body.classList.add(`van-doc-theme-${newVal}`);
+        document.documentElement.classList.add(`van-doc-theme-${newVal}`);
         syncThemeToChild(newVal);
       },
       immediate: true,

packages/vant-cli/site/mobile/App.vue

@@ -24,12 +24,15 @@ export default {
     watch(
       theme,
       (newVal, oldVal) => {
-        document.body.classList.remove(`van-doc-theme-${oldVal}`);
+        document.documentElement.classList.remove(`van-doc-theme-${oldVal}`);
-        document.body.classList.add(`van-doc-theme-${newVal}`);
+        document.documentElement.classList.add(`van-doc-theme-${newVal}`);
 
         const { darkModeClass } = config.site;
         if (darkModeClass) {
-          document.body.classList.toggle(darkModeClass, newVal === 'dark');
+          document.documentElement.classList.toggle(
+            darkModeClass,
+            newVal === 'dark'
+          );
         }
       },
       { immediate: true }
@@ -43,6 +46,7 @@ export default {
 
 body {
   min-width: 100vw;
+  background-color: inherit;
 }
 
 .van-doc-theme-light {

packages/vant-popperjs/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vant/popperjs",
-  "version": "1.2.1",
+  "version": "1.3.0",
   "description": "Pre-compiled popperjs core",
   "main": "dist/index.cjs.js",
   "module": "dist/index.esm.mjs",
@@ -36,10 +36,8 @@
   "bugs": "https://github.com/vant-ui/vant/issues",
   "author": "chenjiahan",
   "license": "MIT",
-  "dependencies": {
-    "@popperjs/core": "^2.11.6"
-  },
   "devDependencies": {
+    "@popperjs/core": "^2.11.6",
     "esbuild": "^0.14.54",
     "release-it": "^15.4.1",
     "typescript": "^4.8.2"

packages/vant-popperjs/src/index.ts

@@ -1,6 +1,6 @@
 import { createPopper } from '@popperjs/core/lib/popper-lite';
 import offsetModifier from '@popperjs/core/lib/modifiers/offset';
-import type { Instance, Placement } from '@popperjs/core';
+import type { Instance } from '@popperjs/core';
 
 export { createPopper, offsetModifier };
-export type { Instance, Placement };
+export type { Instance };

packages/vant/.stylelintignore

@@ -1,4 +0,0 @@
-node_modules
-dist
-lib
-*.tsx

packages/vant/docs/markdown/changelog.en-US.md

@@ -19,6 +19,35 @@ Vant follows [Semantic Versioning 2.0.0](https://semver.org/lang/zh-CN/).
 
 ## Details
 
+### [v4.0.0-rc.2](https://github.com/vant-ui/vant/compare/v4.0.0-rc.1...v4.0.0-rc.2)
+
+`2022-09-11`
+
+**Breaking Changes**
+
+- attach css variables to :root element [#11026](https://github.com/vant-ui/vant/issues/11026)
+
+**Bug Fixes**
+
+- Dialog: incorrect transform behavior [#11028](https://github.com/vant-ui/vant/issues/11028)
+- Empty: fix opacity in dark mode [#11027](https://github.com/vant-ui/vant/issues/11027)
+
+### [v4.0.0-rc.1](https://github.com/vant-ui/vant/compare/v4.0.0-rc.0...v4.0.0-rc.1)
+
+`2022-09-10`
+
+**Feature**
+
+- export props of all components [#11024](https://github.com/vant-ui/vant/issues/11024)
+- Dialog: message-align can be justify [#11014](https://github.com/vant-ui/vant/issues/11014)
+- Image: add block prop [#11022](https://github.com/vant-ui/vant/issues/11022)
+- Toast: add message slot [#11018](https://github.com/vant-ui/vant/issues/11018)
+
+**Bug Fixes**
+
+- Picker: failed to update value in some cases [#11009](https://github.com/vant-ui/vant/issues/11009)
+- Locale: avoid getting unexpected value [#11010](https://github.com/vant-ui/vant/issues/11010)
+
 ### [v4.0.0-rc.0](https://github.com/vant-ui/vant/compare/v3.6.2...v4.0.0-rc.0)
 
 `2022-09-04`

packages/vant/docs/markdown/changelog.zh-CN.md

@@ -19,6 +19,35 @@ Vant 遵循 [Semver](https://semver.org/lang/zh-CN/) 语义化版本规范。
 
 ## 更新内容
 
+### [v4.0.0-rc.2](https://github.com/vant-ui/vant/compare/v4.0.0-rc.1...v4.0.0-rc.2)
+
+`2022-09-11`
+
+**Breaking Changes**
+
+- 调整了所有 CSS 变量的挂载位置，由 `body` 节点调整回 `:root` 节点，调整后与 Vant v3 版本保持一致，以便于 v3 项目更平滑地升级到 v4 版本。 [#11026](https://github.com/vant-ui/vant/issues/11026)
+
+**Bug Fixes**
+
+- Dialog: 修复过渡动画异常的问题 [#11028](https://github.com/vant-ui/vant/issues/11028)
+- Empty: 修复深色模式下亮度过高的问题 [#11027](https://github.com/vant-ui/vant/issues/11027)
+
+### [v4.0.0-rc.1](https://github.com/vant-ui/vant/compare/v4.0.0-rc.0...v4.0.0-rc.1)
+
+`2022-09-10`
+
+**Feature**
+
+- 导出所有组件的 props，方便进行二次封装 [#11024](https://github.com/vant-ui/vant/issues/11024)
+- Dialog: message-align 属性支持设置为 justify [#11014](https://github.com/vant-ui/vant/issues/11014)
+- Image: 新增 block 属性 [#11022](https://github.com/vant-ui/vant/issues/11022)
+- Toast: 新增 message 插槽 [#11018](https://github.com/vant-ui/vant/issues/11018)
+
+**Bug Fixes**
+
+- Picker: 修复部分情况下未正确更新选中值的问题 [#11009](https://github.com/vant-ui/vant/issues/11009)
+- Locale: 修复读取 i18n 文案时可能获取到 JS 原生方法的问题 [#11010](https://github.com/vant-ui/vant/issues/11010)
+
 ### [v4.0.0-rc.0](https://github.com/vant-ui/vant/compare/v3.6.2...v4.0.0-rc.0)
 
 `2022-09-04`

packages/vant/docs/markdown/contribution.zh-CN.md

@@ -38,9 +38,9 @@ pnpm dev
 
 仓库的不同分支对应不同的 Vant 版本，请切换到对应分支进行开发：
 
+- dev 分支对应 Vant 4 版本，适用于 Vue 3
+- 3.x 分支对应 Vant 3 版本 ，适用于 Vue 3
 - 2.x 分支对应 Vant 2 版本，适用于 Vue 2
-- dev 分支对应 Vant 3 版本 ，适用于 Vue 3
-- next 分支对应 Vant 4 版本，适用于 Vue 3
 
 ### 镜像仓库
 

packages/vant/package.json

@@ -1,6 +1,6 @@
 {
   "name": "vant",
-  "version": "4.0.0-rc.0",
+  "version": "4.0.0-rc.3",
   "description": "Mobile UI Components built on Vue",
   "main": "lib/vant.cjs.js",
   "module": "es/index.mjs",

packages/vant/src/action-bar-button/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-action-bar-button-height: 40px;
   --van-action-bar-button-warning-color: var(--van-gradient-orange);
   --van-action-bar-button-danger-color: var(--van-gradient-red);

packages/vant/src/action-bar-button/index.ts

@@ -5,6 +5,7 @@ export const ActionBarButton = withInstall(_ActionBarButton);
 export default ActionBarButton;
 export { actionBarButtonProps } from './ActionBarButton';
 export type { ActionBarButtonProps } from './ActionBarButton';
+export type { ActionBarButtonThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/action-bar-button/types.ts

@@ -0,0 +1,5 @@
+export type ActionBarButtonThemeVars = {
+  actionBarButtonHeight?: string;
+  actionBarButtonWarningColor?: string;
+  actionBarButtonDangerColor?: string;
+};

packages/vant/src/action-bar-icon/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-action-bar-icon-width: 48px;
   --van-action-bar-icon-height: 100%;
   --van-action-bar-icon-color: var(--van-text-color);

packages/vant/src/action-bar-icon/index.ts

@@ -5,6 +5,7 @@ export const ActionBarIcon = withInstall(_ActionBarIcon);
 export default ActionBarIcon;
 export { actionBarIconProps } from './ActionBarIcon';
 export type { ActionBarIconProps } from './ActionBarIcon';
+export type { ActionBarIconThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/action-bar-icon/types.ts

@@ -0,0 +1,10 @@
+export type ActionBarIconThemeVars = {
+  actionBarIconWidth?: string;
+  actionBarIconHeight?: string;
+  actionBarIconColor?: string;
+  actionBarIconSize?: string;
+  actionBarIconFontSize?: string;
+  actionBarIconActiveColor?: string;
+  actionBarIconTextColor?: string;
+  actionBarIconBackground?: string;
+};

packages/vant/src/action-bar/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-action-bar-background: var(--van-background-2);
   --van-action-bar-height: 50px;
 }

packages/vant/src/action-bar/index.ts

@@ -5,6 +5,7 @@ export const ActionBar = withInstall(_ActionBar);
 export default ActionBar;
 export { actionBarProps } from './ActionBar';
 export type { ActionBarProps } from './ActionBar';
+export type { ActionBarThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/action-bar/types.ts

@@ -0,0 +1,4 @@
+export type ActionBarThemeVars = {
+  actionBarBackground?: string;
+  actionBarHeight?: string;
+};

packages/vant/src/action-sheet/README.md

@@ -179,6 +179,7 @@ export default {
 | closeable | Whether to show close icon | _boolean_ | `true` |
 | close-icon | Close icon name | _string_ | `cross` |
 | duration | Transition duration, unit second | _number \| string_ | `0.3` |
+| z-index | Set the z-index to a fixed value | _number \| string_ | `2000+` |
 | round | Whether to show round corner | _boolean_ | `true` |
 | overlay | Whether to show overlay | _boolean_ | `true` |
 | overlay-class | Custom overlay class | _string \| Array \| object_ | - |

packages/vant/src/action-sheet/README.zh-CN.md

@@ -189,6 +189,7 @@ export default {
 | closeable | 是否显示关闭图标 | _boolean_ | `true` |
 | close-icon | 关闭图标名称或图片链接，等同于 Icon 组件的 [name 属性](#/zh-CN/icon#props) | _string_ | `cross` |
 | duration | 动画时长，单位秒，设置为 0 可以禁用动画 | _number \| string_ | `0.3` |
+| z-index | 将面板的 z-index 层级设置为一个固定值 | _number \| string_ | `2000+` |
 | round | 是否显示圆角 | _boolean_ | `true` |
 | overlay | 是否显示遮罩层 | _boolean_ | `true` |
 | overlay-class | 自定义遮罩层类名 | _string \| Array \| object_ | - |

packages/vant/src/action-sheet/index.less

@@ -1,6 +1,6 @@
 @import '../style/mixins/hairline';
 
-body {
+:root {
   --van-action-sheet-max-height: 80%;
   --van-action-sheet-header-height: 48px;
   --van-action-sheet-header-font-size: var(--van-font-size-lg);

packages/vant/src/action-sheet/index.ts

@@ -5,6 +5,7 @@ export const ActionSheet = withInstall(_ActionSheet);
 export default ActionSheet;
 export { actionSheetProps } from './ActionSheet';
 export type { ActionSheetProps, ActionSheetAction } from './ActionSheet';
+export type { ActionSheetThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/action-sheet/types.ts

@@ -0,0 +1,23 @@
+export type ActionSheetThemeVars = {
+  actionSheetMaxHeight?: string;
+  actionSheetHeaderHeight?: string;
+  actionSheetHeaderFontSize?: string;
+  actionSheetDescriptionColor?: string;
+  actionSheetDescriptionFontSize?: string;
+  actionSheetDescriptionLineHeight?: number | string;
+  actionSheetItemBackground?: string;
+  actionSheetItemFontSize?: string;
+  actionSheetItemLineHeight?: number | string;
+  actionSheetItemTextColor?: string;
+  actionSheetItemDisabledTextColor?: string;
+  actionSheetSubnameColor?: string;
+  actionSheetSubnameFontSize?: string;
+  actionSheetSubnameLineHeight?: number | string;
+  actionSheetCloseIconSize?: string;
+  actionSheetCloseIconColor?: string;
+  actionSheetCloseIconPadding?: string;
+  actionSheetCancelTextColor?: string;
+  actionSheetCancelPaddingTop?: string;
+  actionSheetCancelPaddingColor?: string;
+  actionSheetLoadingIconSize?: string;
+};

packages/vant/src/address-edit/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-address-edit-padding: var(--van-padding-sm);
   --van-address-edit-buttons-padding: var(--van-padding-xl)
     var(--van-padding-base);

packages/vant/src/address-edit/index.ts

@@ -8,6 +8,7 @@ export type { AddressEditProps };
 export type {
   AddressEditInfo,
   AddressEditInstance,
+  AddressEditThemeVars,
   AddressEditSearchItem,
 } from './types';
 

packages/vant/src/address-edit/types.ts

@@ -27,3 +27,10 @@ export type AddressEditInstance = ComponentPublicInstance<
   AddressEditProps,
   AddressEditExpose
 >;
+
+export type AddressEditThemeVars = {
+  addressEditPadding?: string;
+  addressEditButtonsPadding?: string;
+  addressEditButtonMarginBottom?: string;
+  addressEditButtonFontSize?: string;
+};

packages/vant/src/address-list/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-address-list-padding: var(--van-padding-sm) var(--van-padding-sm) 80px;
   --van-address-list-disabled-text-color: var(--van-text-color-2);
   --van-address-list-disabled-text-padding: calc(var(--van-padding-base) * 5) 0;

packages/vant/src/address-list/index.ts

@@ -6,6 +6,7 @@ export default AddressList;
 export { addressListProps } from './AddressList';
 export type { AddressListProps } from './AddressList';
 export type { AddressListAddress } from './AddressListItem';
+export type { AddressListThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/address-list/types.ts

@@ -0,0 +1,15 @@
+export type AddressListThemeVars = {
+  addressListPadding?: string;
+  addressListDisabledTextColor?: string;
+  addressListDisabledTextPadding?: string;
+  addressListDisabledTextFontSize?: string;
+  addressListDisabledTextLineHeight?: number | string;
+  addressListAddButtonZIndex?: number | string;
+  addressListItemPadding?: string;
+  addressListItemTextColor?: string;
+  addressListItemDisabledTextColor?: string;
+  addressListItemFontSize?: string;
+  addressListItemLineHeight?: number | string;
+  addressListRadioColor?: string;
+  addressListEditIconSize?: string;
+};

packages/vant/src/badge/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-badge-size: 16px;
   --van-badge-color: var(--van-white);
   --van-badge-padding: 0 3px;

packages/vant/src/badge/index.ts

@@ -5,6 +5,7 @@ export const Badge = withInstall(_Badge);
 export default Badge;
 export { badgeProps } from './Badge';
 export type { BadgeProps, BadgePosition } from './Badge';
+export type { BadgeThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/badge/types.ts

@@ -0,0 +1,12 @@
+export type BadgeThemeVars = {
+  badgeSize?: string;
+  badgeColor?: string;
+  badgePadding?: string;
+  badgeFontSize?: string;
+  badgeFontWeight?: string;
+  badgeBorderWidth?: string;
+  badgeBackground?: string;
+  badgeDotColor?: string;
+  badgeDotSize?: string;
+  badgeFont?: string;
+};

packages/vant/src/button/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-button-mini-height: 24px;
   --van-button-mini-padding: 0 var(--van-padding-base);
   --van-button-mini-font-size: var(--van-font-size-xs);

packages/vant/src/button/index.ts

@@ -8,6 +8,7 @@ export type { ButtonProps } from './Button';
 export type {
   ButtonType,
   ButtonSize,
+  ButtonThemeVars,
   ButtonNativeType,
   ButtonIconPosition,
 } from './types';

packages/vant/src/button/types.ts

@@ -12,3 +12,40 @@ export type ButtonSize = 'large' | 'normal' | 'small' | 'mini';
 export type ButtonNativeType = NonNullable<ButtonHTMLAttributes['type']>;
 
 export type ButtonIconPosition = 'left' | 'right';
+
+export type ButtonThemeVars = {
+  buttonMiniHeight?: string;
+  buttonMiniPadding?: string;
+  buttonMiniFontSize?: string;
+  buttonSmallHeight?: string;
+  buttonSmallPadding?: string;
+  buttonSmallFontSize?: string;
+  buttonNormalPadding?: string;
+  buttonNormalFontSize?: string;
+  buttonLargeHeight?: string;
+  buttonDefaultHeight?: string;
+  buttonDefaultLineHeight?: number | string;
+  buttonDefaultFontSize?: string;
+  buttonDefaultColor?: string;
+  buttonDefaultBackground?: string;
+  buttonDefaultBorderColor?: string;
+  buttonPrimaryColor?: string;
+  buttonPrimaryBackground?: string;
+  buttonPrimaryBorderColor?: string;
+  buttonSuccessColor?: string;
+  buttonSuccessBackground?: string;
+  buttonSuccessBorderColor?: string;
+  buttonDangerColor?: string;
+  buttonDangerBackground?: string;
+  buttonDangerBorderColor?: string;
+  buttonWarningColor?: string;
+  buttonWarningBackground?: string;
+  buttonWarningBorderColor?: string;
+  buttonBorderWidth?: string;
+  buttonRadius?: string;
+  buttonRoundRadius?: string;
+  buttonPlainBackground?: string;
+  buttonDisabledOpacity?: number | string;
+  buttonIconSize?: string;
+  buttonLoadingIconSize?: string;
+};

packages/vant/src/calendar/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-calendar-background: var(--van-background-2);
   --van-calendar-popup-height: 80%;
   --van-calendar-header-shadow: 0 2px 10px rgba(125, 126, 128, 0.16);

packages/vant/src/calendar/index.ts

@@ -10,6 +10,7 @@ export type {
   CalendarDayItem,
   CalendarDayType,
   CalendarInstance,
+  CalendarThemeVars,
 } from './types';
 
 declare module 'vue' {

packages/vant/src/calendar/types.ts

@@ -48,3 +48,32 @@ export type CalendarMonthInstance = ComponentPublicInstance<
     disabledDays: Ref<ComputedRef<CalendarDayItem[]>>;
   }
 >;
+
+export type CalendarThemeVars = {
+  calendarBackground?: string;
+  calendarPopupHeight?: string;
+  calendarHeaderShadow?: string;
+  calendarHeaderTitleHeight?: string;
+  calendarHeaderTitleFontSize?: string;
+  calendarHeaderSubtitleFontSize?: string;
+  calendarWeekdaysHeight?: string;
+  calendarWeekdaysFontSize?: string;
+  calendarMonthTitleFontSize?: string;
+  calendarMonthMarkColor?: string;
+  calendarMonthMarkFontSize?: string;
+  calendarDayHeight?: string;
+  calendarDayFontSize?: string;
+  calendarDayMarginBottom?: string;
+  calendarRangeEdgeColor?: string;
+  calendarRangeEdgeBackground?: string;
+  calendarRangeMiddleColor?: string;
+  calendarRangeMiddleBackgroundOpacity?: number | string;
+  calendarSelectedDaySize?: string;
+  calendarSelectedDayColor?: string;
+  calendarInfoFontSize?: string;
+  calendarInfoLineHeight?: number | string;
+  calendarSelectedDayBackground?: string;
+  calendarDayDisabledColor?: string;
+  calendarConfirmButtonHeight?: string;
+  calendarConfirmButtonMargin?: string;
+};

packages/vant/src/card/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-card-padding: var(--van-padding-xs) var(--van-padding-md);
   --van-card-font-size: var(--van-font-size-sm);
   --van-card-text-color: var(--van-text-color);

packages/vant/src/card/index.ts

@@ -5,6 +5,7 @@ export const Card = withInstall(_Card);
 export default Card;
 export { cardProps } from './Card';
 export type { CardProps } from './Card';
+export type { CardThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/card/types.ts

@@ -0,0 +1,18 @@
+export type CardThemeVars = {
+  cardPadding?: string;
+  cardFontSize?: string;
+  cardTextColor?: string;
+  cardBackground?: string;
+  cardThumbSize?: string;
+  cardThumbRadius?: string;
+  cardTitleLineHeight?: number | string;
+  cardDescColor?: string;
+  cardDescLineHeight?: number | string;
+  cardPriceColor?: string;
+  cardOriginPriceColor?: string;
+  cardNumColor?: string;
+  cardOriginPriceFontSize?: string;
+  cardPriceFontSize?: string;
+  cardPriceIntegerFontSize?: string;
+  cardPriceFont?: string;
+};

packages/vant/src/cascader/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-cascader-header-height: 48px;
   --van-cascader-header-padding: 0 var(--van-padding-md);
   --van-cascader-title-font-size: var(--van-font-size-lg);

packages/vant/src/cascader/index.ts

@@ -5,7 +5,11 @@ export const Cascader = withInstall(_Cascader);
 export default Cascader;
 export { cascaderProps } from './Cascader';
 export type { CascaderProps } from './Cascader';
-export type { CascaderOption, CascaderFieldNames } from './types';
+export type {
+  CascaderOption,
+  CascaderThemeVars,
+  CascaderFieldNames,
+} from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/cascader/types.ts

@@ -21,3 +21,19 @@ export type CascaderFieldNames = {
   value?: string;
   children?: string;
 };
+
+export type CascaderThemeVars = {
+  cascaderHeaderHeight?: string;
+  cascaderHeaderPadding?: string;
+  cascaderTitleFontSize?: string;
+  cascaderTitleLineHeight?: number | string;
+  cascaderCloseIconSize?: string;
+  cascaderCloseIconColor?: string;
+  cascaderSelectedIconSize?: string;
+  cascaderTabsHeight?: string;
+  cascaderActiveColor?: string;
+  cascaderOptionsHeight?: string;
+  cascaderOptionDisabledColor?: string;
+  cascaderTabColor?: string;
+  cascaderUnselectedTabColor?: string;
+};

packages/vant/src/cell-group/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-cell-group-background: var(--van-background-2);
   --van-cell-group-title-color: var(--van-text-color-2);
   --van-cell-group-title-padding: var(--van-padding-md) var(--van-padding-md);

packages/vant/src/cell-group/index.ts

@@ -5,6 +5,7 @@ export const CellGroup = withInstall(_CellGroup);
 export default CellGroup;
 export { cellGroupProps } from './CellGroup';
 export type { CellGroupProps } from './CellGroup';
+export type { CellGroupThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/cell-group/types.ts

@@ -0,0 +1,10 @@
+export type CellGroupThemeVars = {
+  cellGroupBackground?: string;
+  cellGroupTitleColor?: string;
+  cellGroupTitlePadding?: string;
+  cellGroupTitleFontSize?: string;
+  cellGroupTitleLineHeight?: number | string;
+  cellGroupInsetPadding?: string;
+  cellGroupInsetRadius?: string;
+  cellGroupInsetTitlePadding?: string;
+};

packages/vant/src/cell/index.less

@@ -1,6 +1,6 @@
 @import '../style/mixins/hairline';
 
-body {
+:root {
   --van-cell-font-size: var(--van-font-size-md);
   --van-cell-line-height: 24px;
   --van-cell-vertical-padding: 10px;

packages/vant/src/cell/index.ts

@@ -5,6 +5,7 @@ export const Cell = withInstall(_Cell);
 export default Cell;
 export { cellProps } from './Cell';
 export type { CellSize, CellProps, CellArrowDirection } from './Cell';
+export type { CellThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/cell/types.ts

@@ -0,0 +1,21 @@
+export type CellThemeVars = {
+  cellFontSize?: string;
+  cellLineHeight?: number | string;
+  cellVerticalPadding?: string;
+  cellHorizontalPadding?: string;
+  cellTextColor?: string;
+  cellBackground?: string;
+  cellBorderColor?: string;
+  cellActiveColor?: string;
+  cellRequiredColor?: string;
+  cellLabelColor?: string;
+  cellLabelFontSize?: string;
+  cellLabelLineHeight?: number | string;
+  cellLabelMarginTop?: string;
+  cellValueColor?: string;
+  cellIconSize?: string;
+  cellRightIconColor?: string;
+  cellLargeVerticalPadding?: string;
+  cellLargeTitleFontSize?: string;
+  cellLargeLabelFontSize?: string;
+};

packages/vant/src/checkbox/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-checkbox-size: 20px;
   --van-checkbox-border-color: var(--van-gray-5);
   --van-checkbox-duration: var(--van-duration-fast);

packages/vant/src/checkbox/index.ts

@@ -8,6 +8,7 @@ export type { CheckboxProps } from './Checkbox';
 export type {
   CheckboxShape,
   CheckboxInstance,
+  CheckboxThemeVars,
   CheckboxLabelPosition,
 } from './types';
 

packages/vant/src/checkbox/types.ts

@@ -17,3 +17,15 @@ export type CheckboxInstance = ComponentPublicInstance<
   CheckboxProps,
   CheckboxExpose
 >;
+
+export type CheckboxThemeVars = {
+  checkboxSize?: string;
+  checkboxBorderColor?: string;
+  checkboxDuration?: string;
+  checkboxLabelMargin?: string;
+  checkboxLabelColor?: string;
+  checkboxCheckedIconColor?: string;
+  checkboxDisabledIconColor?: string;
+  checkboxDisabledLabelColor?: string;
+  checkboxDisabledBackground?: string;
+};

packages/vant/src/circle/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-circle-size: 100px;
   --van-circle-color: var(--van-primary-color);
   --van-circle-layer-color: var(--van-white);

packages/vant/src/circle/index.ts

@@ -5,6 +5,7 @@ export const Circle = withInstall(_Circle);
 export default Circle;
 export { circleProps } from './Circle';
 export type { CircleProps, CircleStartPosition } from './Circle';
+export type { CircleThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/circle/types.ts

@@ -0,0 +1,9 @@
+export type CircleThemeVars = {
+  circleSize?: string;
+  circleColor?: string;
+  circleLayerColor?: string;
+  circleTextColor?: string;
+  circleTextFontWeight?: string;
+  circleTextFontSize?: string;
+  circleTextLineHeight?: number | string;
+};

packages/vant/src/collapse-item/index.less

@@ -1,6 +1,6 @@
 @import '../style/mixins/hairline';
 
-body {
+:root {
   --van-collapse-item-duration: var(--van-duration-base);
   --van-collapse-item-content-padding: var(--van-padding-sm)
     var(--van-padding-md);

packages/vant/src/collapse-item/index.ts

@@ -5,7 +5,7 @@ export const CollapseItem = withInstall(_CollapseItem);
 export default CollapseItem;
 export { collapseItemProps } from './CollapseItem';
 export type { CollapseItemProps } from './CollapseItem';
-export type { CollapseItemInstance } from './types';
+export type { CollapseItemInstance, CollapseItemThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/collapse-item/types.ts

@@ -9,3 +9,13 @@ export type CollapseItemInstance = ComponentPublicInstance<
   CollapseItemProps,
   CollapseItemExpose
 >;
+
+export type CollapseItemThemeVars = {
+  collapseItemDuration?: string;
+  collapseItemContentPadding?: string;
+  collapseItemContentFontSize?: string;
+  collapseItemContentLineHeight?: number | string;
+  collapseItemContentTextColor?: string;
+  collapseItemContentBackground?: string;
+  collapseItemTitleDisabledColor?: string;
+};

packages/vant/src/config-provider/ConfigProvider.tsx

@@ -73,10 +73,10 @@ export default defineComponent({
 
     if (inBrowser) {
       const addTheme = () => {
-        document.body.classList.add(`van-theme-${props.theme}`);
+        document.documentElement.classList.add(`van-theme-${props.theme}`);
       };
       const removeTheme = (theme = props.theme) => {
-        document.body.classList.remove(`van-theme-${theme}`);
+        document.documentElement.classList.remove(`van-theme-${theme}`);
       };
 
       watch(

packages/vant/src/config-provider/README.md

@@ -69,10 +69,10 @@ Looking at the style of the Button component, you can see that the following var
 }
 ```
 
-The default values of these variables are defined on the `body` node:
+The default values of these variables are defined on the `:root` node:
 
 ```css
-body {
+:root {
   --van-white: #fff;
   --van-blue: #1989fa;
   --van-button-primary-color: var(--van-white);
@@ -88,7 +88,7 @@ You can directly override these CSS variables in the code, and the style of the
 
 ```css
 /* the Primary Button will turn red */
-body {
+:root {
   --van-button-primary-background: red;
 }
 ```
@@ -150,6 +150,18 @@ export default {
 
 > Tips: ConfigProvider only affects its child components.
 
+#### Use In TypeScript
+
+Using `ConfigProviderThemeVars` type to get code intellisense.
+
+```ts
+import type { ConfigProviderThemeVars } from 'vant';
+
+const themeVars: ConfigProviderThemeVars = {
+  sliderBarHeight: '4px',
+};
+```
+
 ### Combining dark mode with CSS variables
 
 If you need to define CSS variables for dark mode or light mode separately, you can use the `theme-vars-dark` and `theme-vars-light` props.
@@ -197,8 +209,8 @@ CSS variables in Vant are divided into **basic variables** and **component varia
 
 #### Modify Basic Variables
 
-- The basic variables can only be modified through the `body` selector.
+- The basic variables can only be modified through the `:root` selector.
-- The component variables can be modified through the `body` selector and `ConfigProvider` component.
+- The component variables can be modified through the `:root` selector and `ConfigProvider` component.
 
 #### Variables List
 
@@ -299,5 +311,9 @@ There are all **Basic Variables** below, for component CSS Variables, please ref
 The component exports the following type definitions:
 
 ```ts
-import type { ConfigProviderProps, ConfigProviderTheme } from 'vant';
+import type {
+  ConfigProviderProps,
+  ConfigProviderTheme,
+  ConfigProviderThemeVars,
+} from 'vant';
 ```

packages/vant/src/config-provider/README.zh-CN.md

@@ -69,10 +69,10 @@ Vant 组件通过丰富的 [CSS 变量](https://developer.mozilla.org/zh-CN/docs
 }
 ```
 
-这些变量的默认值被定义在 `body` 节点上，body 下所有子节点都可以访问到这些变量：
+这些变量的默认值被定义在 `:root` 节点上，HTML 里的所有子节点都可以访问到这些变量：
 
 ```css
-body {
+:root {
   --van-white: #fff;
   --van-blue: #1989fa;
   --van-button-primary-color: var(--van-white);
@@ -88,7 +88,7 @@ body {
 
 ```css
 /* 添加这段样式后，Primary Button 会变成红色 */
-body {
+:root {
   --van-button-primary-background: red;
 }
 ```
@@ -148,7 +148,19 @@ export default {
 };
 ```
 
-> 注意：ConfigProvider 仅影响它的子组件的样式，不影响全局 body 节点。
+> 注意：ConfigProvider 仅影响它的子组件的样式，不影响全局 root 节点。
+
+#### 在 TypeScript 中使用
+
+在 TypeScript 中定义 themeVars 时，建议使用 Vant 提供的 `ConfigProviderThemeVars` 类型，可以提供完善的类型提示：
+
+```ts
+import type { ConfigProviderThemeVars } from 'vant';
+
+const themeVars: ConfigProviderThemeVars = {
+  sliderBarHeight: '4px',
+};
+```
 
 ### 结合深色模式与 CSS 变量
 
@@ -199,8 +211,8 @@ Vant 中的 CSS 变量分为 **基础变量** 和 **组件变量**。组件变
 
 由于 CSS 变量继承机制的原因，两者的修改方式有一定差异：
 
-- 基础变量只能通过 `body 选择器` 修改，不能通过 `ConfigProvider 组件` 修改。
+- 基础变量只能通过 `:root 选择器` 修改，不能通过 `ConfigProvider 组件` 修改。
-- 组件变量可以通过 `body 选择器` 和 `ConfigProvider 组件` 修改。
+- 组件变量可以通过 `:root 选择器` 和 `ConfigProvider 组件` 修改。
 
 #### 变量列表
 
@@ -303,5 +315,9 @@ Vant 中的 CSS 变量分为 **基础变量** 和 **组件变量**。组件变
 组件导出以下类型定义：
 
 ```ts
-import type { ConfigProviderProps, ConfigProviderTheme } from 'vant';
+import type {
+  ConfigProviderProps,
+  ConfigProviderTheme,
+  ConfigProviderThemeVars,
+} from 'vant';
 ```

packages/vant/src/config-provider/index.ts

@@ -8,6 +8,7 @@ export type {
   ConfigProviderProps,
   ConfigProviderTheme,
 } from './ConfigProvider';
+export type { ConfigProviderThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/config-provider/types.ts

@@ -0,0 +1,72 @@
+export type ConfigProviderThemeVars =
+  import('../action-bar').ActionBarThemeVars &
+    import('../action-bar-button').ActionBarButtonThemeVars &
+    import('../action-bar-icon').ActionBarIconThemeVars &
+    import('../action-sheet').ActionSheetThemeVars &
+    import('../address-edit').AddressEditThemeVars &
+    import('../address-list').AddressListThemeVars &
+    import('../badge').BadgeThemeVars &
+    import('../button').ButtonThemeVars &
+    import('../calendar').CalendarThemeVars &
+    import('../card').CardThemeVars &
+    import('../cascader').CascaderThemeVars &
+    import('../cell').CellThemeVars &
+    import('../cell-group').CellGroupThemeVars &
+    import('../checkbox').CheckboxThemeVars &
+    import('../circle').CircleThemeVars &
+    import('../collapse-item').CollapseItemThemeVars &
+    import('../contact-card').ContactCardThemeVars &
+    import('../contact-edit').ContactEditThemeVars &
+    import('../contact-list').ContactListThemeVars &
+    import('../count-down').CountDownThemeVars &
+    import('../coupon').CouponThemeVars &
+    import('../coupon-cell').CouponCellThemeVars &
+    import('../coupon-list').CouponListThemeVars &
+    import('../dialog').DialogThemeVars &
+    import('../divider').DividerThemeVars &
+    import('../dropdown-item').DropdownItemThemeVars &
+    import('../dropdown-menu').DropdownMenuThemeVars &
+    import('../empty').EmptyThemeVars &
+    import('../field').FieldThemeVars &
+    import('../grid-item').GridItemThemeVars &
+    import('../image').ImageThemeVars &
+    import('../image-preview').ImagePreviewThemeVars &
+    import('../index-anchor').IndexAnchorThemeVars &
+    import('../index-bar').IndexBarThemeVars &
+    import('../list').ListThemeVars &
+    import('../loading').LoadingThemeVars &
+    import('../nav-bar').NavBarThemeVars &
+    import('../notice-bar').NoticeBarThemeVars &
+    import('../notify').NotifyThemeVars &
+    import('../number-keyboard').NumberKeyboardThemeVars &
+    import('../overlay').OverlayThemeVars &
+    import('../pagination').PaginationThemeVars &
+    import('../password-input').PasswordInputThemeVars &
+    import('../picker').PickerThemeVars &
+    import('../picker-group').PickerGroupThemeVars &
+    import('../popover').PopoverThemeVars &
+    import('../popup').PopupThemeVars &
+    import('../progress').ProgressThemeVars &
+    import('../pull-refresh').PullRefreshThemeVars &
+    import('../radio').RadioThemeVars &
+    import('../rate').RateThemeVars &
+    import('../search').SearchThemeVars &
+    import('../share-sheet').ShareSheetThemeVars &
+    import('../sidebar').SidebarThemeVars &
+    import('../sidebar-item').SidebarItemThemeVars &
+    import('../skeleton').SkeletonThemeVars &
+    import('../slider').SliderThemeVars &
+    import('../step').StepThemeVars &
+    import('../stepper').StepperThemeVars &
+    import('../steps').StepsThemeVars &
+    import('../sticky').StickyThemeVars &
+    import('../submit-bar').SubmitBarThemeVars &
+    import('../swipe').SwipeThemeVars &
+    import('../switch').SwitchThemeVars &
+    import('../tabbar').TabbarThemeVars &
+    import('../tabbar-item').TabbarItemThemeVars &
+    import('../tabs').TabsThemeVars &
+    import('../tag').TagThemeVars &
+    import('../toast').ToastThemeVars &
+    import('../tree-select').TreeSelectThemeVars &
+    import('../uploader').UploaderThemeVars;

packages/vant/src/contact-card/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-contact-card-padding: var(--van-padding-md);
   --van-contact-card-add-icon-size: 40px;
   --van-contact-card-add-icon-color: var(--van-primary-color);

packages/vant/src/contact-card/index.ts

@@ -5,6 +5,7 @@ export const ContactCard = withInstall(_ContactCard);
 export default ContactCard;
 export { contactCardProps } from './ContactCard';
 export type { ContactCardType, ContactCardProps } from './ContactCard';
+export type { ContactCardThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/contact-card/types.ts

@@ -0,0 +1,6 @@
+export type ContactCardThemeVars = {
+  contactCardPadding?: string;
+  contactCardAddIconSize?: string;
+  contactCardAddIconColor?: string;
+  contactCardTitleLineHeight?: number | string;
+};

packages/vant/src/contact-edit/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-contact-edit-padding: var(--van-padding-md);
   --van-contact-edit-fields-radius: var(--van-radius-md);
   --van-contact-edit-buttons-padding: var(--van-padding-xl) 0;

packages/vant/src/contact-edit/index.ts

@@ -5,6 +5,7 @@ export const ContactEdit = withInstall(_ContactEdit);
 export default ContactEdit;
 export { contactEditProps } from './ContactEdit';
 export type { ContactEditInfo, ContactEditProps } from './ContactEdit';
+export type { ContactEditThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/contact-edit/types.ts

@@ -0,0 +1,8 @@
+export type ContactEditThemeVars = {
+  contactEditPadding?: string;
+  contactEditFieldsRadius?: string;
+  contactEditButtonsPadding?: string;
+  contactEditButtonMarginBottom?: string;
+  contactEditButtonFontSize?: string;
+  contactEditFieldLabelWidth?: string;
+};

packages/vant/src/contact-list/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-contact-list-edit-icon-size: 16px;
   --van-contact-list-add-button-z-index: 999;
   --van-contact-list-radio-color: var(--van-primary-color);

packages/vant/src/contact-list/index.ts

@@ -5,6 +5,7 @@ export const ContactList = withInstall(_ContactList);
 export default ContactList;
 export { contactListProps } from './ContactList';
 export type { ContactListItem, ContactListProps } from './ContactList';
+export type { ContactListThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/contact-list/types.ts

@@ -0,0 +1,6 @@
+export type ContactListThemeVars = {
+  contactListEditIconSize?: string;
+  contactListAddButtonZIndex?: number | string;
+  contactListRadioColor?: string;
+  contactListItemPadding?: string;
+};

packages/vant/src/count-down/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-count-down-text-color: var(--van-text-color);
   --van-count-down-font-size: var(--van-font-size-md);
   --van-count-down-line-height: var(--van-line-height-md);

packages/vant/src/count-down/index.ts

@@ -5,7 +5,11 @@ export const CountDown = withInstall(_CountDown);
 export default CountDown;
 export { countDownProps } from './CountDown';
 export type { CountDownProps } from './CountDown';
-export type { CountDownInstance, CountDownCurrentTime } from './types';
+export type {
+  CountDownInstance,
+  CountDownThemeVars,
+  CountDownCurrentTime,
+} from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/count-down/types.ts

@@ -14,3 +14,9 @@ export type CountDownInstance = ComponentPublicInstance<
 >;
 
 export type CountDownCurrentTime = CurrentTime;
+
+export type CountDownThemeVars = {
+  countDownTextColor?: string;
+  countDownFontSize?: string;
+  countDownLineHeight?: number | string;
+};

packages/vant/src/coupon-cell/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-coupon-cell-selected-text-color: var(--van-text-color);
 }
 

packages/vant/src/coupon-cell/index.ts

@@ -5,6 +5,7 @@ export const CouponCell = withInstall(_CouponCell);
 export default CouponCell;
 export { couponCellProps } from './CouponCell';
 export type { CouponCellProps } from './CouponCell';
+export type { CouponCellThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/coupon-cell/types.ts

@@ -0,0 +1,3 @@
+export type CouponCellThemeVars = {
+  couponCellSelectedTextColor?: string;
+};

packages/vant/src/coupon-list/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-coupon-list-background: var(--van-background);
   --van-coupon-list-field-padding: 5px 0 5px var(--van-padding-md);
   --van-coupon-list-exchange-button-height: 32px;
@@ -16,7 +16,7 @@ body {
   &__field {
     padding: var(--van-coupon-list-field-padding);
 
-    .van-field__body {
+    .van-field__:root {
       height: 34px;
       padding-left: var(--van-padding-sm);
       line-height: 34px;

packages/vant/src/coupon-list/index.ts

@@ -5,6 +5,7 @@ export const CouponList = withInstall(_CouponList);
 export default CouponList;
 export { couponListProps } from './CouponList';
 export type { CouponListProps } from './CouponList';
+export type { CouponListThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/coupon-list/types.ts

@@ -0,0 +1,9 @@
+export type CouponListThemeVars = {
+  couponListBackground?: string;
+  couponListFieldPadding?: string;
+  couponListExchangeButtonHeight?: string;
+  couponListCloseButtonHeight?: string;
+  couponListEmptyTipColor?: string;
+  couponListEmptyTipFontSize?: string;
+  couponListEmptyTipLineHeight?: number | string;
+};

packages/vant/src/coupon/index.less

@@ -1,6 +1,6 @@
 @import '../style/mixins/ellipsis';
 
-body {
+:root {
   --van-coupon-margin: 0 var(--van-padding-sm) var(--van-padding-sm);
   --van-coupon-content-height: 84px;
   --van-coupon-content-padding: 14px 0;
@@ -76,7 +76,7 @@ body {
     white-space: pre-wrap;
   }
 
-  &__body {
+  &__:root {
     position: relative;
     flex: 1;
     border-radius: 0 var(--van-coupon-radius) var(--van-coupon-radius) 0;

packages/vant/src/coupon/index.ts

@@ -4,6 +4,7 @@ import _Coupon from './Coupon';
 export const Coupon = withInstall(_Coupon);
 export default Coupon;
 export type { CouponInfo } from './Coupon';
+export type { CouponThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/coupon/types.ts

@@ -0,0 +1,19 @@
+export type CouponThemeVars = {
+  couponMargin?: string;
+  couponContentHeight?: string;
+  couponContentPadding?: string;
+  couponContentTextColor?: string;
+  couponBackground?: string;
+  couponActiveBackground?: string;
+  couponRadius?: string;
+  couponShadow?: string;
+  couponHeadWidth?: string;
+  couponAmountColor?: string;
+  couponAmountFontSize?: string;
+  couponCurrencyFontSize?: string;
+  couponNameFontSize?: string;
+  couponDisabledTextColor?: string;
+  couponDescriptionPadding?: string;
+  couponDescriptionBorderColor?: string;
+  couponCheckboxColor?: string;
+};

packages/vant/src/dialog/README.md

@@ -186,6 +186,7 @@ Vant exports following Dialog utility functions:
 | confirm-button-text | Confirm button text | _string_ | `Confirm` |
 | confirm-button-color | Confirm button color | _string_ | `#ee0a24` |
 | confirm-button-disabled `v3.5.0` | Whether to disable confirm button | _boolean_ | `false` |
+| z-index | Set the z-index to a fixed value | _number \| string_ | `2000+` |
 | overlay | Whether to show overlay | _boolean_ | `true` |
 | overlay-class | Custom overlay class | _string_ | - |
 | overlay-style | Custom overlay style | _object_ | - |

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

@@ -207,6 +207,7 @@ Vant 中导出了以下 Dialog 相关的辅助函数：
 | cancel-button-text | 取消按钮文案 | _string_ | `取消` |
 | cancel-button-color | 取消按钮颜色 | _string_ | `black` |
 | cancel-button-disabled `v3.5.0` | 是否禁用取消按钮 | _boolean_ | `false` |
+| z-index | 将弹窗的 z-index 层级设置为一个固定值 | _number \| string_ | `2000+` |
 | overlay | 是否展示遮罩层 | _boolean_ | `true` |
 | overlay-class | 自定义遮罩层类名 | _string_ | - |
 | overlay-style | 自定义遮罩层样式 | _object_ | - |

packages/vant/src/dialog/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-dialog-width: 320px;
   --van-dialog-small-screen-width: 90%;
   --van-dialog-font-size: var(--van-font-size-lg);
@@ -132,12 +132,12 @@ body {
   }
 
   &-bounce-enter-from {
-    transform: translate3d(-50%, -50%, 0) scale(0.7);
+    transform: translate3d(0, -50%, 0) scale(0.7);
     opacity: 0;
   }
 
   &-bounce-leave-active {
-    transform: translate3d(-50%, -50%, 0) scale(0.9);
+    transform: translate3d(0, -50%, 0) scale(0.9);
     opacity: 0;
   }
 }

packages/vant/src/dialog/index.ts

@@ -17,6 +17,7 @@ export type {
   DialogTheme,
   DialogMessage,
   DialogOptions,
+  DialogThemeVars,
   DialogMessageAlign,
 } from './types';
 

packages/vant/src/dialog/types.ts

@@ -32,3 +32,25 @@ export type DialogOptions = {
   confirmButtonDisabled?: boolean;
   closeOnClickOverlay?: boolean;
 };
+
+export type DialogThemeVars = {
+  dialogWidth?: string;
+  dialogSmallScreenWidth?: string;
+  dialogFontSize?: string;
+  dialogTransition?: string;
+  dialogRadius?: string;
+  dialogBackground?: string;
+  dialogHeaderFontWeight?: string;
+  dialogHeaderLineHeight?: number | string;
+  dialogHeaderPaddingTop?: string;
+  dialogHeaderIsolatedPadding?: string;
+  dialogMessagePadding?: string;
+  dialogMessageFontSize?: string;
+  dialogMessageLineHeight?: number | string;
+  dialogMessageMaxHeight?: string;
+  dialogHasTitleMessageTextColor?: string;
+  dialogHasTitleMessagePaddingTop?: string;
+  dialogButtonHeight?: string;
+  dialogRoundButtonHeight?: string;
+  dialogConfirmButtonTextColor?: string;
+};

packages/vant/src/divider/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-divider-margin: var(--van-padding-md) 0;
   --van-divider-text-color: var(--van-text-color-2);
   --van-divider-font-size: var(--van-font-size-md);

packages/vant/src/divider/index.ts

@@ -5,6 +5,7 @@ export const Divider = withInstall(_Divider);
 export default Divider;
 export { dividerProps } from './Divider';
 export type { DividerProps, DividerContentPosition } from './Divider';
+export type { DividerThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/divider/types.ts

@@ -0,0 +1,10 @@
+export type DividerThemeVars = {
+  dividerMargin?: string;
+  dividerTextColor?: string;
+  dividerFontSize?: string;
+  dividerLineHeight?: number | string;
+  dividerBorderColor?: string;
+  dividerContentPadding?: string;
+  dividerContentLeftWidth?: string;
+  dividerContentRightWidth?: string;
+};

packages/vant/src/dropdown-item/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-dropdown-item-z-index: 10;
 }
 

packages/vant/src/dropdown-item/index.ts

@@ -5,7 +5,11 @@ export const DropdownItem = withInstall(_DropdownItem);
 export default DropdownItem;
 export { dropdownItemProps } from './DropdownItem';
 export type { DropdownItemProps };
-export type { DropdownItemInstance, DropdownItemOption } from './types';
+export type {
+  DropdownItemOption,
+  DropdownItemInstance,
+  DropdownItemThemeVars,
+} from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/dropdown-item/types.ts

@@ -29,3 +29,7 @@ export type DropdownItemInstance = ComponentPublicInstance<
   DropdownItemProps,
   DropdownItemExpose
 >;
+
+export type DropdownItemThemeVars = {
+  dropdownItemZIndex?: number | string;
+};

packages/vant/src/dropdown-menu/index.less

@@ -1,4 +1,4 @@
-body {
+:root {
   --van-dropdown-menu-height: 48px;
   --van-dropdown-menu-background: var(--van-background-2);
   --van-dropdown-menu-shadow: 0 2px 12px rgba(100, 101, 102, 0.12);

packages/vant/src/dropdown-menu/index.ts

@@ -5,7 +5,7 @@ export const DropdownMenu = withInstall(_DropdownMenu);
 export default DropdownMenu;
 export { dropdownMenuProps } from './DropdownMenu';
 export type { DropdownMenuProps };
-export type { DropdownMenuDirection } from './types';
+export type { DropdownMenuDirection, DropdownMenuThemeVars } from './types';
 
 declare module 'vue' {
   export interface GlobalComponents {

packages/vant/src/dropdown-menu/types.ts

@@ -8,3 +8,17 @@ export type DropdownMenuProvide = {
   props: DropdownMenuProps;
   offset: Ref<number>;
 };
+
+export type DropdownMenuThemeVars = {
+  dropdownMenuHeight?: string;
+  dropdownMenuBackground?: string;
+  dropdownMenuShadow?: string;
+  dropdownMenuTitleFontSize?: string;
+  dropdownMenuTitleTextColor?: string;
+  dropdownMenuTitleActiveTextColor?: string;
+  dropdownMenuTitleDisabledTextColor?: string;
+  dropdownMenuTitlePadding?: string;
+  dropdownMenuTitleLineHeight?: number | string;
+  dropdownMenuOptionActiveColor?: string;
+  dropdownMenuContentMaxHeight?: string;
+};