diff --git a/apps/web-antdv-next/src/components/ktTable/KtTable.tsx b/apps/web-antdv-next/src/components/ktTable/KtTable.tsx
index 146dcca..06ee632 100644
--- a/apps/web-antdv-next/src/components/ktTable/KtTable.tsx
+++ b/apps/web-antdv-next/src/components/ktTable/KtTable.tsx
@@ -136,6 +136,7 @@ export default defineComponent({
       scheduleTableLayout,
       tableBodyRef,
       tableScrollY,
+      tableViewportWidth,
     } = useKtTableLayout({ hasSummary });
 
     const context: KtTableContext = {
@@ -187,6 +188,7 @@ export default defineComponent({
       props,
       rowActions,
       scheduleTableLayout,
+      tableViewportWidth,
     });
 
     watch(
@@ -451,7 +453,7 @@ export default defineComponent({
       );
 
       return (
-        <ASpace class="kt-table__row-actions" size={1}>
+        <ASpace class="kt-table__row-actions" size={0}>
           {inlineActions.map((action) => renderRowAction(action, record))}
           {overflowActions.length > 0 ? (
             <APopover
@@ -555,6 +557,27 @@ export default defineComponent({
       );
     }
 
+    /**
+     * 生成表格布局监听签名，只收集会影响容器高度、横向滚动和列宽的轻量信号。
+     * 行内字段变化仍由 Vue/Antdv 正常渲染，不再触发布局重算，避免 deep watch 遍历整页数据。
+     */
+    function createLayoutWatchKey() {
+      return columns.value
+        .map((column) =>
+          [
+            column.key,
+            Array.isArray(column.dataIndex)
+              ? column.dataIndex.join('.')
+              : column.dataIndex,
+            column.width,
+            column.fixed,
+          ]
+            .map((value) => String(value ?? ''))
+            .join(':'),
+        )
+        .join('|');
+    }
+
     expose(registerApi);
 
     onMounted(() => {
@@ -569,13 +592,17 @@ export default defineComponent({
     });
 
     watch(
-      [columns, rows, searchVisible, fullscreen, tableSize],
+      () => [
+        createLayoutWatchKey(),
+        rows.value.length,
+        searchVisible.value,
+        fullscreen.value,
+        tableSize.value,
+        hasSummary.value,
+      ],
       () => {
         scheduleTableLayout();
       },
-      {
-        deep: true,
-      },
     );
 
     return () => (
diff --git a/apps/web-antdv-next/src/components/ktTable/components/KtTableResizableTitle.tsx b/apps/web-antdv-next/src/components/ktTable/components/KtTableResizableTitle.tsx
index 1e7fd2c..89a562c 100644
--- a/apps/web-antdv-next/src/components/ktTable/components/KtTableResizableTitle.tsx
+++ b/apps/web-antdv-next/src/components/ktTable/components/KtTableResizableTitle.tsx
@@ -186,6 +186,20 @@ export default defineComponent({
         return h('th', attrs, slots.default?.());
       }
 
+      if (!props.onResize) {
+        return h(
+          'th',
+          {
+            ...attrs,
+            style: {
+              ...(attrs.style as Record<string, unknown> | undefined),
+              width: `${props.width}px`,
+            },
+          },
+          slots.default?.(),
+        );
+      }
+
       return h(
         'th',
         {
diff --git a/apps/web-antdv-next/src/components/ktTable/config/constants.ts b/apps/web-antdv-next/src/components/ktTable/config/constants.ts
index b722d5f..e8a2d10 100644
--- a/apps/web-antdv-next/src/components/ktTable/config/constants.ts
+++ b/apps/web-antdv-next/src/components/ktTable/config/constants.ts
@@ -2,8 +2,12 @@ import type { KtTableFormGridOptions } from '../types';
 
 export const KT_TABLE_ACTION_COLUMN_KEY = '__kt_table_actions__';
 
+export const KT_TABLE_ACTION_COLUMN_WIDTH = 112;
+
 export const KT_TABLE_INDEX_COLUMN_KEY = '__kt_table_index__';
 
+export const KT_TABLE_INDEX_COLUMN_WIDTH = 40;
+
 export const KT_TABLE_ROW_ACTION_OVERFLOW_LIMIT = 3;
 
 export const KT_TABLE_ROW_ACTION_VISIBLE_COUNT = 2;
diff --git a/apps/web-antdv-next/src/components/ktTable/hooks/useKtTableColumns.ts b/apps/web-antdv-next/src/components/ktTable/hooks/useKtTableColumns.ts
index 2120700..5bbe067 100644
--- a/apps/web-antdv-next/src/components/ktTable/hooks/useKtTableColumns.ts
+++ b/apps/web-antdv-next/src/components/ktTable/hooks/useKtTableColumns.ts
@@ -1,6 +1,6 @@
 import type { TableColumnType } from 'antdv-next';
 
-import type { ComputedRef } from 'vue';
+import type { ComputedRef, Ref } from 'vue';
 
 import type {
   KtTableRecord,
@@ -12,8 +12,9 @@ import { computed, reactive, ref, watch } from 'vue';
 
 import {
   KT_TABLE_ACTION_COLUMN_KEY,
+  KT_TABLE_ACTION_COLUMN_WIDTH,
   KT_TABLE_INDEX_COLUMN_KEY,
-  KT_TABLE_ROW_ACTION_OVERFLOW_LIMIT,
+  KT_TABLE_INDEX_COLUMN_WIDTH,
 } from '../config/constants';
 import { getColumnKey } from '../utils/index';
 
@@ -21,8 +22,18 @@ interface UseKtTableColumnsOptions {
   props: KtTableResolvedProps;
   rowActions: ComputedRef<KtTableRowAction[]>;
   scheduleTableLayout: () => void;
+  tableViewportWidth: Ref<number>;
 }
 
+type ColumnResizeHandler = (
+  event: MouseEvent,
+  info: {
+    size: {
+      width: number;
+    };
+  },
+) => void;
+
 /**
  * 管理 KtTable 的列顺序、列显隐、列宽拖拽和横向滚动宽度。
  *
@@ -30,10 +41,12 @@ interface UseKtTableColumnsOptions {
  * @param options.props 表格最终合并后的配置。
  * @param options.rowActions 当前行操作按钮列表，用于决定是否追加操作列。
  * @param options.scheduleTableLayout 表格布局重算函数，用于列宽变更后同步滚动高度。
+ * @param options.tableViewportWidth 当前表格容器可视宽度，用于把宽屏剩余宽度分配给业务列。
  */
 export function useKtTableColumns(options: UseKtTableColumnsOptions) {
-  const { props, rowActions, scheduleTableLayout } = options;
-  // 列系统集中处理可见列、拖拽宽度和横向滚动宽度，避免主组件继续堆列计算细节。
+  const { props, rowActions, scheduleTableLayout, tableViewportWidth } =
+    options;
+  // 列系统集中处理可见列、拖拽宽度和横向滚动启停，避免主组件继续堆列计算细节。
   const columnWidths = reactive<Record<string, number>>({});
   const columnOrderKeys = ref<string[]>([]);
   const visibleColumnKeys = ref<string[]>([]);
@@ -60,12 +73,54 @@ export function useKtTableColumns(options: UseKtTableColumnsOptions) {
       .map((key) => columnMap.get(key))
       .filter(Boolean) as Array<TableColumnType<KtTableRecord>>;
   });
+  const visibleSourceColumns = computed(() =>
+    orderedSourceColumns.value.filter((column) =>
+      visibleColumnKeys.value.includes(getColumnKey(column)),
+    ),
+  );
+  const rawTableWidth = computed(() => {
+    const selectionWidth = props.showSelection ? 48 : 0;
+    const indexWidth = props.showIndex ? KT_TABLE_INDEX_COLUMN_WIDTH : 0;
+    const actionWidth =
+      rowActions.value.length > 0 ? KT_TABLE_ACTION_COLUMN_WIDTH : 0;
+    const businessWidth = visibleSourceColumns.value.reduce(
+      (total, column) => total + getColumnRenderWidth(column),
+      0,
+    );
+
+    return selectionWidth + indexWidth + businessWidth + actionWidth;
+  });
+  const tableRenderWidth = computed(() => {
+    const hasFlexibleColumns = visibleSourceColumns.value.length > 0;
+
+    if (!hasFlexibleColumns) {
+      return rawTableWidth.value;
+    }
+
+    return Math.max(rawTableWidth.value, tableViewportWidth.value, 720);
+  });
+  const tableScrollX = computed(() => {
+    const viewportWidth = tableViewportWidth.value;
+
+    if (viewportWidth <= 0) return rawTableWidth.value;
+
+    return rawTableWidth.value > viewportWidth + 1
+      ? rawTableWidth.value
+      : undefined;
+  });
+  const surplusWidthMap = computed(() =>
+    createFlexibleSurplusMap(
+      visibleSourceColumns.value,
+      Math.max(0, tableRenderWidth.value - rawTableWidth.value),
+    ),
+  );
   const visibleColumns = computed(() =>
-    orderedSourceColumns.value
-      .filter((column) =>
-        visibleColumnKeys.value.includes(getColumnKey(column)),
-      )
-      .map((column) => normalizeColumnWidth(column)),
+    visibleSourceColumns.value.map((column) =>
+      normalizeColumnWidth(
+        column,
+        surplusWidthMap.value.get(getColumnKey(column)) || 0,
+      ),
+    ),
   );
   const indexColumn = computed<null | TableColumnType<KtTableRecord>>(() => {
     if (!props.showIndex) return null;
@@ -75,22 +130,21 @@ export function useKtTableColumns(options: UseKtTableColumnsOptions) {
       align: 'center',
       fixed: 'left',
       key: KT_TABLE_INDEX_COLUMN_KEY,
-      minWidth: 40,
+      minWidth: KT_TABLE_INDEX_COLUMN_WIDTH,
       title: '序号',
-      width: 48,
+      width: KT_TABLE_INDEX_COLUMN_WIDTH,
     } as TableColumnType<KtTableRecord>);
   });
   const actionColumn = computed<null | TableColumnType<KtTableRecord>>(() => {
     if (rowActions.value.length === 0) return null;
-    const actionColumnWidth = resolveActionColumnWidth(rowActions.value.length);
 
     return normalizeColumnWidth({
       className: 'kt-table__action-column',
       fixed: 'right',
       key: KT_TABLE_ACTION_COLUMN_KEY,
-      minWidth: actionColumnWidth,
+      minWidth: KT_TABLE_ACTION_COLUMN_WIDTH,
       title: '操作',
-      width: actionColumnWidth,
+      width: KT_TABLE_ACTION_COLUMN_WIDTH,
     } as TableColumnType<KtTableRecord>);
   });
   const columns = computed(
@@ -99,16 +153,6 @@ export function useKtTableColumns(options: UseKtTableColumnsOptions) {
         Boolean,
       ) as Array<TableColumnType<KtTableRecord>>,
   );
-  const tableScrollX = computed(() =>
-    Math.max(
-      columns.value.reduce(
-        (total, column) => total + readColumnWidth(column.width, 140),
-        props.showSelection ? 48 : 0,
-      ),
-      720,
-    ),
-  );
-
   watch(
     sourceColumns,
     (nextColumns) => {
@@ -127,17 +171,6 @@ export function useKtTableColumns(options: UseKtTableColumnsOptions) {
     },
   );
 
-  /**
-   * 重置列顺序和可见列到源码配置的初始状态。
-   */
-  function resetColumns() {
-    const sourceKeys = sourceColumns.value
-      .map((column) => getColumnKey(column))
-      .filter(Boolean);
-    columnOrderKeys.value = [...sourceKeys];
-    visibleColumnKeys.value = [...sourceKeys];
-  }
-
   /**
    * 将现有列顺序和最新源码列 key 合并，保留用户排序并追加新增列。
    *
@@ -168,6 +201,28 @@ export function useKtTableColumns(options: UseKtTableColumnsOptions) {
     ];
   }
 
+  /**
+   * 清空所有业务列拖拽宽度，让列宽回到源码默认配置。
+   */
+  function resetColumnWidths() {
+    Object.keys(columnWidths).forEach((key) => {
+      Reflect.deleteProperty(columnWidths, key);
+    });
+  }
+
+  /**
+   * 重置列顺序、可见列和拖拽列宽到源码配置的初始状态。
+   */
+  function resetColumns() {
+    const sourceKeys = sourceColumns.value
+      .map((column) => getColumnKey(column))
+      .filter(Boolean);
+    columnOrderKeys.value = [...sourceKeys];
+    visibleColumnKeys.value = [...sourceKeys];
+    resetColumnWidths();
+    scheduleTableLayout();
+  }
+
   /**
    * 将列宽配置解析成数字宽度。
    *
@@ -195,43 +250,124 @@ export function useKtTableColumns(options: UseKtTableColumnsOptions) {
   function getColumnMinWidth(column: TableColumnType<KtTableRecord>) {
     const minWidth = Number((column as any).minWidth || 96);
     if (getColumnKey(column) === KT_TABLE_INDEX_COLUMN_KEY) {
-      return Number.isFinite(minWidth) ? Math.max(minWidth, 40) : 40;
+      return Number.isFinite(minWidth)
+        ? Math.max(minWidth, KT_TABLE_INDEX_COLUMN_WIDTH)
+        : KT_TABLE_INDEX_COLUMN_WIDTH;
     }
     if (getColumnKey(column) === KT_TABLE_ACTION_COLUMN_KEY) {
-      return Number.isFinite(minWidth) ? Math.max(minWidth, 96) : 112;
+      return Number.isFinite(minWidth)
+        ? Math.max(minWidth, KT_TABLE_ACTION_COLUMN_WIDTH)
+        : KT_TABLE_ACTION_COLUMN_WIDTH;
     }
 
     return Number.isFinite(minWidth) ? Math.max(minWidth, 80) : 96;
   }
 
   /**
-   * 根据行操作按钮数量计算操作列默认宽度。
+   * 读取列当前渲染宽度，业务列会叠加宽屏剩余宽度，系统列保持固定宽度。
    *
-   * @param actionCount 当前可见行操作按钮数量。
+   * @param column 当前表格列配置。
+   * @param extraWidth 宽屏下分配给当前业务列的额外宽度。
    */
-  function resolveActionColumnWidth(actionCount: number) {
-    if (actionCount > KT_TABLE_ROW_ACTION_OVERFLOW_LIMIT) return 112;
-    if (actionCount === KT_TABLE_ROW_ACTION_OVERFLOW_LIMIT) return 112;
-    if (actionCount === 2) return 96;
+  function getColumnRenderWidth(
+    column: TableColumnType<KtTableRecord>,
+    extraWidth = 0,
+  ) {
+    const key = getColumnKey(column);
+    const width =
+      key && columnWidths[key]
+        ? columnWidths[key]
+        : readColumnWidth(column.width, 160);
+    const minWidth = getColumnMinWidth(column);
 
-    return 80;
+    return Math.max(width + extraWidth, minWidth);
+  }
+
+  /**
+   * 把宽屏下 Antdv 可能平均分配的剩余宽度提前分摊给业务列，避免系统列被撑大。
+   * 这里的剩余宽度只影响业务列渲染，不直接开启 scroll.x，避免宽屏下常驻横向滚动条。
+   *
+   * @param sourceColumns 当前可见业务列。
+   * @param surplusWidth 表格容器剩余宽度。
+   */
+  function createFlexibleSurplusMap(
+    sourceColumns: Array<TableColumnType<KtTableRecord>>,
+    surplusWidth: number,
+  ) {
+    const map = new Map<string, number>();
+    if (surplusWidth <= 0) return map;
+
+    const entries = sourceColumns
+      .map((column) => ({
+        key: getColumnKey(column),
+        width: getColumnRenderWidth(column),
+      }))
+      .filter(
+        (entry): entry is { key: string; width: number } =>
+          !!entry.key && !isFixedSystemColumn(entry.key),
+      );
+    const totalWidth = entries.reduce((total, entry) => total + entry.width, 0);
+    if (totalWidth <= 0) return map;
+
+    entries.forEach((entry) => {
+      map.set(entry.key, (surplusWidth * entry.width) / totalWidth);
+    });
+
+    return map;
+  }
+
+  /**
+   * 判断当前列是否为 KtTable 内置系统列。
+   *
+   * @param key 当前列的唯一 key。
+   */
+  function isFixedSystemColumn(key?: string) {
+    return (
+      key === KT_TABLE_INDEX_COLUMN_KEY || key === KT_TABLE_ACTION_COLUMN_KEY
+    );
+  }
+
+  /**
+   * 创建业务列列宽拖拽处理器，系统列固定宽度所以不返回处理器。
+   *
+   * @param column 当前需要绑定拖拽行为的列配置。
+   * @param originalResize 业务侧原始表头 resize 回调。
+   */
+  function createColumnResizeHandler(
+    column: TableColumnType<KtTableRecord>,
+    originalResize?: ColumnResizeHandler,
+  ) {
+    if (isFixedSystemColumn(getColumnKey(column))) return undefined;
+
+    return (event: MouseEvent, info: Parameters<ColumnResizeHandler>[1]) => {
+      originalResize?.(event, info);
+      resizeColumnWidth(column, info.size.width);
+    };
   }
 
   /**
    * 为列注入可拖拽列宽配置并补齐默认 ellipsis。
    *
    * @param column 当前需要渲染的表格列配置。
+   * @param extraWidth 宽屏下分配给当前业务列的额外宽度。
    */
-  function normalizeColumnWidth(column: TableColumnType<KtTableRecord>) {
+  function normalizeColumnWidth(
+    column: TableColumnType<KtTableRecord>,
+    extraWidth = 0,
+  ) {
     const key = getColumnKey(column);
-    const width =
-      key && columnWidths[key]
-        ? columnWidths[key]
-        : readColumnWidth(column.width, 160);
     const originalHeaderCell = column.onHeaderCell;
     const originalCell = column.onCell;
     const minWidth = getColumnMinWidth(column);
-    const nextWidth = Math.max(width, minWidth);
+    const nextWidth = getColumnRenderWidth(column, extraWidth);
+    const isSystemColumn = isFixedSystemColumn(key);
+    const fixedWidthStyle = isSystemColumn
+      ? {
+          maxWidth: `${nextWidth}px`,
+          minWidth: `${nextWidth}px`,
+          width: `${nextWidth}px`,
+        }
+      : undefined;
 
     return {
       ...column,
@@ -244,24 +380,18 @@ export function useKtTableColumns(options: UseKtTableColumnsOptions) {
       onHeaderCell: (targetColumn: TableColumnType<KtTableRecord>) => {
         const originalProps = (originalHeaderCell?.(targetColumn) ||
           {}) as Record<string, any>;
+        const resizeHandler = createColumnResizeHandler(
+          column,
+          originalProps.onResize,
+        );
 
         return {
           ...originalProps,
-          /**
-           * 响应表头拖拽列宽事件。
-           *
-           * @param event 鼠标拖拽事件。
-           * @param info 拖拽组件返回的新尺寸信息。
-           * @param info.size 拖拽后的尺寸对象。
-           * @param info.size.width 拖拽后的列宽。
-           */
-          onResize: (event: MouseEvent, info: { size: { width: number } }) => {
-            originalProps.onResize?.(event, info);
-            resizeColumnWidth(column, info.size.width);
-          },
+          onResize: resizeHandler,
           style: {
             ...(originalProps.style as Record<string, unknown>),
             minWidth: `${minWidth}px`,
+            ...fixedWidthStyle,
           },
           width: nextWidth,
         };
@@ -283,6 +413,7 @@ export function useKtTableColumns(options: UseKtTableColumnsOptions) {
           style: {
             ...(originalProps.style as Record<string, unknown>),
             minWidth: `${minWidth}px`,
+            ...fixedWidthStyle,
           },
         };
       },
diff --git a/apps/web-antdv-next/src/components/ktTable/hooks/useKtTableLayout.ts b/apps/web-antdv-next/src/components/ktTable/hooks/useKtTableLayout.ts
index 8a09f49..a24f36e 100644
--- a/apps/web-antdv-next/src/components/ktTable/hooks/useKtTableLayout.ts
+++ b/apps/web-antdv-next/src/components/ktTable/hooks/useKtTableLayout.ts
@@ -17,6 +17,7 @@ export function useKtTableLayout(options: UseKtTableLayoutOptions) {
   // 搜索区动画期间冻结表格高度重算，等过渡结束后再同步一次，避免频繁重算导致动画卡顿。
   const tableBodyRef = ref<HTMLElement | null>(null);
   const tableScrollY = ref(260);
+  const tableViewportWidth = ref(0);
   const searchTransitioning = ref(false);
   let layoutFrame: number | undefined;
   let resizeObserver: ResizeObserver | undefined;
@@ -51,6 +52,8 @@ export function useKtTableLayout(options: UseKtTableLayoutOptions) {
     const wrapper = tableBodyRef.value;
     if (!wrapper) return;
 
+    tableViewportWidth.value = wrapper.clientWidth;
+
     const header = wrapper.querySelector(
       '.ant-table-header',
     ) as HTMLElement | null;
@@ -148,5 +151,6 @@ export function useKtTableLayout(options: UseKtTableLayoutOptions) {
     scheduleTableLayout,
     tableBodyRef,
     tableScrollY,
+    tableViewportWidth,
   };
 }
diff --git a/apps/web-antdv-next/src/components/ktTable/style.scss b/apps/web-antdv-next/src/components/ktTable/style.scss
index 794ec7e..60fe0ff 100644
--- a/apps/web-antdv-next/src/components/ktTable/style.scss
+++ b/apps/web-antdv-next/src/components/ktTable/style.scss
@@ -1,580 +1,9 @@
-.kt-table {
-  display: flex;
-  flex-direction: column;
-  height: 100%;
-  min-height: 0;
-  overflow: hidden;
-
-  &--fullscreen {
-    position: fixed;
-    inset: 0;
-    z-index: 1000;
-    padding: 16px;
-    background: hsl(var(--background));
-  }
-
-  &__main {
-    display: flex;
-    flex: 1 1 0;
-    flex-direction: column;
-    min-height: 0;
-    overflow: hidden;
-    background: hsl(var(--card));
-  }
-
-  &__main-content {
-    display: flex;
-    flex: 1 1 0;
-    flex-direction: column;
-    min-height: 0;
-    padding: 16px;
-  }
-
-  &__search {
-    --kt-table-form-action-fr: 6fr;
-    --kt-table-form-action-min-width: 180px;
-    --kt-table-form-content-fr: 18fr;
-    --kt-table-form-content-span: 18;
-    --kt-table-form-item-span: 4;
-    --kt-table-form-tablet-columns: 2;
-
-    flex-shrink: 0;
-    padding: 12px 16px 0;
-    background: hsl(var(--card));
-  }
-
-  &__search-content-shell {
-    overflow: hidden;
-  }
-
-  &__search-content-shell--transitioning {
-    transition: height 0.22s cubic-bezier(0.22, 1, 0.36, 1);
-    will-change: height;
-  }
-
-  &__search-content-motion {
-    min-height: 0;
-    overflow: hidden;
-  }
-
-  &__search-content {
-    display: grid;
-    grid-template-columns: 1fr;
-    gap: 12px;
-  }
-
-  &__search-form {
-    min-width: 0;
-  }
-
-  &__search-actions {
-    display: flex;
-    align-items: flex-start;
-    justify-content: flex-start;
-  }
-
-  &__search-action-stack {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 8px;
-    align-items: center;
-    justify-content: flex-start;
-    width: 100%;
-  }
-
-  &__search-toggle {
-    padding-inline: 8px;
-  }
-
-  &__search-toggle-icon {
-    width: 16px;
-    height: 16px;
-    transition: transform 0.2s ease;
-  }
-
-  &__search-toggle-icon--expanded {
-    transform: rotate(180deg);
-  }
-
-  &__search-split {
-    height: 1px;
-    margin-top: 12px;
-    background: hsl(var(--border));
-  }
-
-  &__form-grid {
-    display: grid;
-    grid-template-columns: 1fr;
-    gap: 8px;
-  }
-
-  &__form-item {
-    min-width: 0;
-    padding-bottom: 0;
-  }
-
-  &__form-control {
-    width: 100%;
-  }
-
-  &__header {
-    display: flex;
-    flex-shrink: 0;
-    gap: 12px;
-    align-items: center;
-    justify-content: space-between;
-    margin-bottom: 12px;
-  }
-
-  &__header-align {
-    display: flex;
-    flex: 1 1 0;
-    gap: 12px;
-    align-items: center;
-    justify-content: flex-start;
-    min-width: 0;
-  }
-
-  &__header-title {
-    min-width: 0;
-    font-size: 16px;
-    font-weight: 500;
-  }
-
-  &__header-button {
-    display: flex;
-    flex-shrink: 0;
-    flex-wrap: wrap;
-    gap: 8px;
-    align-items: center;
-    justify-content: flex-start;
-  }
-
-  &__header-toolbar {
-    display: flex;
-    flex-shrink: 0;
-    align-items: center;
-  }
-
-  &__header-divider {
-    margin-inline: 8px;
-  }
-
-  &__body {
-    --kt-table-scroll-y: 260px;
-
-    position: relative;
-    flex: 1 1 0;
-    min-height: 0;
-    overflow: hidden;
-    border: 1px solid hsl(var(--border));
-    border-radius: 6px;
-  }
-
-  &__ant,
-  &__ant .ant-spin-nested-loading,
-  &__ant .ant-spin-container {
-    height: 100%;
-    min-height: 0;
-  }
-
-  &__ant {
-    .ant-table,
-    .ant-table-container,
-    .ant-table-content,
-    .ant-table-header,
-    .ant-table-body {
-      overscroll-behavior: contain;
-    }
-
-    .ant-table table {
-      table-layout: fixed !important;
-    }
-
-    .ant-spin-container,
-    .ant-table {
-      display: flex;
-      flex: 1 1 0;
-      flex-direction: column;
-      min-height: 0;
-    }
-
-    .ant-table-container {
-      display: flex;
-      flex: 1 1 0;
-      flex-direction: column;
-      min-height: 0;
-    }
-
-    .ant-table-header {
-      position: relative;
-      z-index: 5;
-      flex: 0 0 auto;
-      contain: paint;
-      background: hsl(var(--card));
-    }
-
-    .ant-table-body {
-      position: relative;
-      z-index: 1;
-      min-height: 0;
-      max-height: var(--kt-table-scroll-y) !important;
-      contain: paint;
-      overflow: auto !important;
-      scrollbar-gutter: stable;
-      will-change: scroll-position;
-    }
-
-    .ant-table-summary {
-      flex-shrink: 0;
-      margin-top: auto;
-    }
-
-    .ant-table-cell {
-      border-bottom-color: hsl(var(--border)) !important;
-    }
-
-    .ant-table-cell-fix-left,
-    .ant-table-cell-fix-right,
-    .ant-table-cell-fix-start,
-    .ant-table-cell-fix-end {
-      background: hsl(var(--card)) !important;
-    }
-
-    .ant-table-thead > tr > th.ant-table-cell-fix-left,
-    .ant-table-thead > tr > th.ant-table-cell-fix-right,
-    .ant-table-thead > tr > th.ant-table-cell-fix-start,
-    .ant-table-thead > tr > th.ant-table-cell-fix-end {
-      z-index: 6;
-      background: hsl(var(--card)) !important;
-    }
-
-    .ant-table-tbody > tr:hover > td.ant-table-cell-fix-left,
-    .ant-table-tbody > tr:hover > td.ant-table-cell-fix-right,
-    .ant-table-tbody > tr:hover > td.ant-table-cell-fix-start,
-    .ant-table-tbody > tr:hover > td.ant-table-cell-fix-end {
-      background: hsl(var(--accent)) !important;
-    }
-
-    .ant-table-summary .ant-table-cell-fix-left,
-    .ant-table-summary .ant-table-cell-fix-right,
-    .ant-table-summary .ant-table-cell-fix-start,
-    .ant-table-summary .ant-table-cell-fix-end {
-      background: hsl(var(--card)) !important;
-    }
-
-    // 固定列阴影会在横向滚动时随 Antdv shadow class 反复重绘，KT 表格用边框区分固定列即可。
-    .ant-table-cell-fix-start-shadow::after,
-    .ant-table-cell-fix-end-shadow::after,
-    .ant-table-cell-fix-left-last::after,
-    .ant-table-cell-fix-right-first::after {
-      box-shadow: none !important;
-    }
-
-    .ant-table-thead > tr > th {
-      position: relative;
-      top: 0;
-      z-index: 5;
-      background: hsl(var(--card)) !important;
-    }
-
-    tfoot.ant-table-summary .ant-table-cell,
-    tfoot.ant-table-summary > tr > td {
-      height: 44px;
-      padding: 0 16px;
-      overflow: hidden;
-      text-overflow: ellipsis;
-      font-size: 13px;
-      line-height: 20px;
-      color: hsl(var(--foreground));
-      white-space: nowrap;
-      border-bottom: 0 !important;
-    }
-  }
-
-  &__body + &__footer {
-    margin-top: 10px;
-  }
-
-  &__footer {
-    display: flex;
-    flex-shrink: 0;
-    flex-wrap: wrap;
-    gap: 12px;
-    align-items: center;
-    min-height: 32px;
-  }
-
-  &__footer-settings {
-    display: flex;
-    flex: 1 1 0;
-    gap: 12px;
-    align-items: center;
-    font-size: 14px;
-  }
-
-  &__footer-selection {
-    color: hsl(var(--muted-foreground));
-  }
-
-  &__footer-selection-count {
-    margin-inline: 4px;
-    color: hsl(var(--foreground));
-  }
-
-  &__summary-value {
-    display: inline-flex;
-    gap: 4px;
-    align-items: center;
-  }
-
-  &__summary-label {
-    color: hsl(var(--muted-foreground));
-  }
-
-  &__summary-title {
-    font-weight: 500;
-  }
-
-  &__row-actions {
-    white-space: nowrap;
-
-    .ant-btn {
-      min-width: auto;
-      padding-inline: 0;
-    }
-  }
-
-  &__action-column {
-    min-width: 112px;
-  }
-
-  &__row-action-more {
-    min-width: 18px;
-    padding-inline: 2px;
-  }
-
-  &__row-actions &__row-action-more {
-    min-width: 18px;
-    padding-inline: 2px;
-  }
-
-  &__row-action-more-icon {
-    font-size: 14px;
-  }
-
-  &__button-icon,
-  &__toolbar-icon {
-    width: 16px;
-    height: 16px;
-  }
-
-  &__toolbar-button {
-    width: 32px;
-    height: 32px;
-  }
-
-  &__settings-popover {
-    width: 240px;
-  }
-
-  &__settings-popover-header {
-    display: flex;
-    align-items: center;
-    justify-content: space-between;
-    margin-bottom: 8px;
-  }
-
-  &__settings-popover-title {
-    font-weight: 500;
-  }
-
-  &__settings-popover-list {
-    display: flex;
-    flex-direction: column;
-    max-height: 260px;
-    overflow-y: auto;
-  }
-
-  &__settings-column-item {
-    position: relative;
-    display: flex;
-    gap: 6px;
-    align-items: center;
-    min-height: 32px;
-    padding: 4px 6px;
-    border-radius: 4px;
-    transition:
-      background 0.16s ease,
-      opacity 0.16s ease;
-  }
-
-  &__settings-column-item:hover {
-    background: hsl(var(--accent));
-  }
-
-  &__settings-column-item::before,
-  &__settings-column-item::after {
-    position: absolute;
-    right: 6px;
-    left: 6px;
-    height: 2px;
-    content: '';
-    background: transparent;
-    border-radius: 999px;
-  }
-
-  &__settings-column-item::before {
-    top: 0;
-  }
-
-  &__settings-column-item::after {
-    bottom: 0;
-  }
-
-  &__settings-column-item--dragging {
-    opacity: 0.45;
-  }
-
-  &__settings-column-item--drop-before::before,
-  &__settings-column-item--drop-after::after {
-    background: hsl(var(--primary));
-  }
-
-  &__settings-column-drag {
-    display: inline-flex;
-    flex: 0 0 auto;
-    align-items: center;
-    justify-content: center;
-    width: 20px;
-    height: 24px;
-    padding: 0;
-    color: hsl(var(--muted-foreground));
-    cursor: grab;
-    background: transparent;
-    border: 0;
-  }
-
-  &__settings-column-drag:active {
-    cursor: grabbing;
-  }
-
-  &__settings-column-drag-icon {
-    width: 16px;
-    height: 16px;
-  }
-
-  &__settings-column-checkbox {
-    flex: 1 1 0;
-    min-width: 0;
-  }
-
-  &__resizable-title {
-    position: relative;
-  }
-
-  &__resizable-handle {
-    position: absolute;
-    top: 0;
-    right: -4px;
-    bottom: 0;
-    z-index: 4;
-    width: 8px;
-    cursor: col-resize;
-    user-select: none;
-  }
-
-  &__resizable-handle:hover {
-    background: hsl(var(--primary) / 18%);
-  }
-}
-
-@media (min-width: 1280px) {
-  .kt-table {
-    &__search-content {
-      grid-template-columns:
-        minmax(0, var(--kt-table-form-content-fr))
-        minmax(
-          var(--kt-table-form-action-min-width),
-          var(--kt-table-form-action-fr)
-        );
-    }
-
-    &__search-actions,
-    &__search-action-stack {
-      justify-content: flex-end;
-    }
-
-    &__form-grid {
-      grid-template-columns: repeat(
-        var(--kt-table-form-content-span),
-        minmax(0, 1fr)
-      );
-    }
-
-    &__form-item {
-      grid-column: span var(--kt-table-form-item-span) / span
-        var(--kt-table-form-item-span);
-    }
-
-    &__form-item--collapsed-visible {
-      display: flex !important;
-    }
-  }
-}
-
-@media (min-width: 768px) and (max-width: 1279px) {
-  .kt-table {
-    &__form-grid {
-      grid-template-columns: repeat(
-        var(--kt-table-form-tablet-columns),
-        minmax(0, 1fr)
-      );
-    }
-
-    &__form-item {
-      grid-column: span 1 / span 1;
-    }
-
-    &__form-item--range {
-      grid-column: 1 / -1;
-    }
-  }
-}
-
-.kt-table--column-resizing,
-.kt-table--column-resizing * {
-  cursor: col-resize !important;
-  user-select: none !important;
-}
-
-.kt-table__resize-guide {
-  position: fixed;
-  left: 0;
-  z-index: 3000;
-  width: 1px;
-  pointer-events: none;
-  background: hsl(var(--primary));
-  box-shadow: 0 0 0 1px hsl(var(--primary) / 18%);
-  will-change: transform;
-}
-
-.kt-table__row-action-popover-content {
-  display: flex;
-  flex-direction: column;
-  gap: 4px;
-  min-width: 72px;
-
-  .ant-btn {
-    justify-content: flex-start;
-    padding-inline: 8px;
-  }
-}
-
-@media (prefers-reduced-motion: reduce) {
-  .kt-table {
-    &__search-content-shell--transitioning {
-      transition: none;
-    }
-  }
-}
+@use './styles/layout';
+@use './styles/search';
+@use './styles/header';
+@use './styles/table';
+@use './styles/footer';
+@use './styles/actions';
+@use './styles/settings';
+@use './styles/resizable';
+@use './styles/responsive';
diff --git a/apps/web-antdv-next/src/components/ktTable/styles/actions.scss b/apps/web-antdv-next/src/components/ktTable/styles/actions.scss
new file mode 100644
index 0000000..16fa462
--- /dev/null
+++ b/apps/web-antdv-next/src/components/ktTable/styles/actions.scss
@@ -0,0 +1,52 @@
+@use './tokens' as kt;
+
+@include kt.block {
+  &__row-actions {
+    white-space: nowrap;
+
+    .ant-space-item {
+      display: inline-flex;
+      align-items: center;
+    }
+
+    .ant-space-item + .ant-space-item::before {
+      display: inline-block;
+      width: 1px;
+      height: 14px;
+      margin: 0 4px;
+      content: '';
+      background: hsl(var(--border));
+    }
+
+    .ant-btn {
+      min-width: auto;
+      padding-inline: 0;
+    }
+  }
+
+  &__row-action-more {
+    min-width: 18px;
+    padding-inline: 2px;
+  }
+
+  &__row-actions &__row-action-more {
+    min-width: 18px;
+    padding-inline: 2px;
+  }
+
+  &__row-action-more-icon {
+    font-size: 14px;
+  }
+}
+
+#{kt.$block}__row-action-popover-content {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  min-width: 72px;
+
+  .ant-btn {
+    justify-content: flex-start;
+    padding-inline: 8px;
+  }
+}
diff --git a/apps/web-antdv-next/src/components/ktTable/styles/footer.scss b/apps/web-antdv-next/src/components/ktTable/styles/footer.scss
new file mode 100644
index 0000000..b123705
--- /dev/null
+++ b/apps/web-antdv-next/src/components/ktTable/styles/footer.scss
@@ -0,0 +1,47 @@
+@use './tokens' as kt;
+
+@include kt.block {
+  &__body + &__footer {
+    margin-top: 10px;
+  }
+
+  &__footer {
+    display: flex;
+    flex-shrink: 0;
+    flex-wrap: wrap;
+    gap: 12px;
+    align-items: center;
+    min-height: 32px;
+  }
+
+  &__footer-settings {
+    display: flex;
+    flex: 1 1 0;
+    gap: 12px;
+    align-items: center;
+    font-size: 14px;
+  }
+
+  &__footer-selection {
+    color: hsl(var(--muted-foreground));
+  }
+
+  &__footer-selection-count {
+    margin-inline: 4px;
+    color: hsl(var(--foreground));
+  }
+
+  &__summary-value {
+    display: inline-flex;
+    gap: 4px;
+    align-items: center;
+  }
+
+  &__summary-label {
+    color: hsl(var(--muted-foreground));
+  }
+
+  &__summary-title {
+    font-weight: 500;
+  }
+}
diff --git a/apps/web-antdv-next/src/components/ktTable/styles/header.scss b/apps/web-antdv-next/src/components/ktTable/styles/header.scss
new file mode 100644
index 0000000..59ee4ab
--- /dev/null
+++ b/apps/web-antdv-next/src/components/ktTable/styles/header.scss
@@ -0,0 +1,57 @@
+@use './tokens' as kt;
+
+@include kt.block {
+  &__header {
+    display: flex;
+    flex-shrink: 0;
+    gap: 12px;
+    align-items: center;
+    justify-content: space-between;
+    margin-bottom: 12px;
+  }
+
+  &__header-align {
+    display: flex;
+    flex: 1 1 0;
+    gap: 12px;
+    align-items: center;
+    justify-content: flex-start;
+    min-width: 0;
+  }
+
+  &__header-title {
+    min-width: 0;
+    font-size: 16px;
+    font-weight: 500;
+  }
+
+  &__header-button {
+    display: flex;
+    flex-shrink: 0;
+    flex-wrap: wrap;
+    gap: 8px;
+    align-items: center;
+    justify-content: flex-start;
+  }
+
+  &__header-toolbar {
+    display: flex;
+    flex-shrink: 0;
+    align-items: center;
+  }
+
+  &__header-divider {
+    margin-inline: 8px;
+  }
+
+  &__button-icon,
+  &__toolbar-icon {
+    width: 16px;
+    height: 16px;
+  }
+
+  &__toolbar-button {
+    width: 32px;
+    height: 32px;
+  }
+}
diff --git a/apps/web-antdv-next/src/components/ktTable/styles/layout.scss b/apps/web-antdv-next/src/components/ktTable/styles/layout.scss
new file mode 100644
index 0000000..eafffdf
--- /dev/null
+++ b/apps/web-antdv-next/src/components/ktTable/styles/layout.scss
@@ -0,0 +1,34 @@
+@use './tokens' as kt;
+
+@include kt.block {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  min-height: 0;
+  overflow: hidden;
+
+  &--fullscreen {
+    position: fixed;
+    inset: 0;
+    z-index: 1000;
+    padding: 16px;
+    background: hsl(var(--background));
+  }
+
+  &__main {
+    display: flex;
+    flex: 1 1 0;
+    flex-direction: column;
+    min-height: 0;
+    overflow: hidden;
+    background: hsl(var(--card));
+  }
+
+  &__main-content {
+    display: flex;
+    flex: 1 1 0;
+    flex-direction: column;
+    min-height: 0;
+    padding: 16px;
+  }
+}
diff --git a/apps/web-antdv-next/src/components/ktTable/styles/resizable.scss b/apps/web-antdv-next/src/components/ktTable/styles/resizable.scss
new file mode 100644
index 0000000..8fd518c
--- /dev/null
+++ b/apps/web-antdv-next/src/components/ktTable/styles/resizable.scss
@@ -0,0 +1,39 @@
+@use './tokens' as kt;
+
+@include kt.block {
+  &__resizable-title {
+    position: relative;
+  }
+
+  &__resizable-handle {
+    position: absolute;
+    top: 0;
+    right: -4px;
+    bottom: 0;
+    z-index: 4;
+    width: 8px;
+    cursor: col-resize;
+    user-select: none;
+  }
+
+  &__resizable-handle:hover {
+    background: hsl(var(--primary) / 18%);
+  }
+}
+
+#{kt.$block}--column-resizing,
+#{kt.$block}--column-resizing * {
+  cursor: col-resize !important;
+  user-select: none !important;
+}
+
+#{kt.$block}__resize-guide {
+  position: fixed;
+  left: 0;
+  z-index: 3000;
+  width: 1px;
+  pointer-events: none;
+  background: hsl(var(--primary));
+  box-shadow: 0 0 0 1px hsl(var(--primary) / 18%);
+  will-change: transform;
+}
diff --git a/apps/web-antdv-next/src/components/ktTable/styles/responsive.scss b/apps/web-antdv-next/src/components/ktTable/styles/responsive.scss
new file mode 100644
index 0000000..96319a9
--- /dev/null
+++ b/apps/web-antdv-next/src/components/ktTable/styles/responsive.scss
@@ -0,0 +1,62 @@
+@use './tokens' as kt;
+
+@media (min-width: 1280px) {
+  @include kt.block {
+    &__search-content {
+      grid-template-columns:
+        minmax(0, var(--kt-table-form-content-fr))
+        minmax(
+          var(--kt-table-form-action-min-width),
+          var(--kt-table-form-action-fr)
+        );
+    }
+
+    &__search-actions,
+    &__search-action-stack {
+      justify-content: flex-end;
+    }
+
+    &__form-grid {
+      grid-template-columns: repeat(
+        var(--kt-table-form-content-span),
+        minmax(0, 1fr)
+      );
+    }
+
+    &__form-item {
+      grid-column: span var(--kt-table-form-item-span) / span
+        var(--kt-table-form-item-span);
+    }
+
+    &__form-item--collapsed-visible {
+      display: flex !important;
+    }
+  }
+}
+
+@media (min-width: 768px) and (max-width: 1279px) {
+  @include kt.block {
+    &__form-grid {
+      grid-template-columns: repeat(
+        var(--kt-table-form-tablet-columns),
+        minmax(0, 1fr)
+      );
+    }
+
+    &__form-item {
+      grid-column: span 1 / span 1;
+    }
+
+    &__form-item--range {
+      grid-column: 1 / -1;
+    }
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  @include kt.block {
+    &__search-content-shell--transitioning {
+      transition: none;
+    }
+  }
+}
diff --git a/apps/web-antdv-next/src/components/ktTable/styles/search.scss b/apps/web-antdv-next/src/components/ktTable/styles/search.scss
new file mode 100644
index 0000000..adb96b6
--- /dev/null
+++ b/apps/web-antdv-next/src/components/ktTable/styles/search.scss
@@ -0,0 +1,90 @@
+@use './tokens' as kt;
+
+@include kt.block {
+  &__search {
+    --kt-table-form-action-fr: 6fr;
+    --kt-table-form-action-min-width: 180px;
+    --kt-table-form-content-fr: 18fr;
+    --kt-table-form-content-span: 18;
+    --kt-table-form-item-span: 4;
+    --kt-table-form-tablet-columns: 2;
+
+    flex-shrink: 0;
+    padding: 12px 16px 0;
+    background: hsl(var(--card));
+  }
+
+  &__search-content-shell {
+    overflow: hidden;
+  }
+
+  &__search-content-shell--transitioning {
+    transition: height 0.22s cubic-bezier(0.22, 1, 0.36, 1);
+    will-change: height;
+  }
+
+  &__search-content-motion {
+    min-height: 0;
+    overflow: hidden;
+  }
+
+  &__search-content {
+    display: grid;
+    grid-template-columns: 1fr;
+    gap: 12px;
+  }
+
+  &__search-form {
+    min-width: 0;
+  }
+
+  &__search-actions {
+    display: flex;
+    align-items: flex-start;
+    justify-content: flex-start;
+  }
+
+  &__search-action-stack {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 8px;
+    align-items: center;
+    justify-content: flex-start;
+    width: 100%;
+  }
+
+  &__search-toggle {
+    padding-inline: 8px;
+  }
+
+  &__search-toggle-icon {
+    width: 16px;
+    height: 16px;
+    transition: transform 0.2s ease;
+  }
+
+  &__search-toggle-icon--expanded {
+    transform: rotate(180deg);
+  }
+
+  &__search-split {
+    height: 1px;
+    margin-top: 12px;
+    background: hsl(var(--border));
+  }
+
+  &__form-grid {
+    display: grid;
+    grid-template-columns: 1fr;
+    gap: 8px;
+  }
+
+  &__form-item {
+    min-width: 0;
+    padding-bottom: 0;
+  }
+
+  &__form-control {
+    width: 100%;
+  }
+}
diff --git a/apps/web-antdv-next/src/components/ktTable/styles/settings.scss b/apps/web-antdv-next/src/components/ktTable/styles/settings.scss
new file mode 100644
index 0000000..95854a6
--- /dev/null
+++ b/apps/web-antdv-next/src/components/ktTable/styles/settings.scss
@@ -0,0 +1,98 @@
+@use './tokens' as kt;
+
+@include kt.block {
+  &__settings-popover {
+    width: 240px;
+  }
+
+  &__settings-popover-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    margin-bottom: 8px;
+  }
+
+  &__settings-popover-title {
+    font-weight: 500;
+  }
+
+  &__settings-popover-list {
+    display: flex;
+    flex-direction: column;
+    max-height: 260px;
+    overflow-y: auto;
+  }
+
+  &__settings-column-item {
+    position: relative;
+    display: flex;
+    gap: 6px;
+    align-items: center;
+    min-height: 32px;
+    padding: 4px 6px;
+    border-radius: 4px;
+    transition:
+      background 0.16s ease,
+      opacity 0.16s ease;
+  }
+
+  &__settings-column-item:hover {
+    background: hsl(var(--accent));
+  }
+
+  &__settings-column-item::before,
+  &__settings-column-item::after {
+    position: absolute;
+    right: 6px;
+    left: 6px;
+    height: 2px;
+    content: '';
+    background: transparent;
+    border-radius: 999px;
+  }
+
+  &__settings-column-item::before {
+    top: 0;
+  }
+
+  &__settings-column-item::after {
+    bottom: 0;
+  }
+
+  &__settings-column-item--dragging {
+    opacity: 0.45;
+  }
+
+  &__settings-column-item--drop-before::before,
+  &__settings-column-item--drop-after::after {
+    background: hsl(var(--primary));
+  }
+
+  &__settings-column-drag {
+    display: inline-flex;
+    flex: 0 0 auto;
+    align-items: center;
+    justify-content: center;
+    width: 20px;
+    height: 24px;
+    padding: 0;
+    color: hsl(var(--muted-foreground));
+    cursor: grab;
+    background: transparent;
+    border: 0;
+  }
+
+  &__settings-column-drag:active {
+    cursor: grabbing;
+  }
+
+  &__settings-column-drag-icon {
+    width: 16px;
+    height: 16px;
+  }
+
+  &__settings-column-checkbox {
+    flex: 1 1 0;
+    min-width: 0;
+  }
+}
diff --git a/apps/web-antdv-next/src/components/ktTable/styles/table.scss b/apps/web-antdv-next/src/components/ktTable/styles/table.scss
new file mode 100644
index 0000000..1533000
--- /dev/null
+++ b/apps/web-antdv-next/src/components/ktTable/styles/table.scss
@@ -0,0 +1,159 @@
+@use './tokens' as kt;
+
+@include kt.block {
+  &__body {
+    --kt-table-scroll-y: 260px;
+
+    position: relative;
+    flex: 1 1 0;
+    min-height: 0;
+    overflow: hidden;
+    border: 1px solid hsl(var(--border));
+    border-radius: 6px;
+  }
+
+  &__ant,
+  &__ant .ant-spin-nested-loading,
+  &__ant .ant-spin-container {
+    height: 100%;
+    min-height: 0;
+  }
+
+  &__ant {
+    .ant-table,
+    .ant-table-container,
+    .ant-table-content,
+    .ant-table-header,
+    .ant-table-body {
+      overscroll-behavior: contain;
+    }
+
+    .ant-table table {
+      table-layout: fixed !important;
+    }
+
+    .ant-spin-container,
+    .ant-table {
+      display: flex;
+      flex: 1 1 0;
+      flex-direction: column;
+      min-height: 0;
+    }
+
+    .ant-table-container {
+      display: flex;
+      flex: 1 1 0;
+      flex-direction: column;
+      min-height: 0;
+    }
+
+    .ant-table-header {
+      position: relative;
+      z-index: 5;
+      flex: 0 0 auto;
+      contain: paint;
+      background: hsl(var(--card));
+    }
+
+    .ant-table-body {
+      position: relative;
+      z-index: 1;
+      min-height: 0;
+      max-height: var(--kt-table-scroll-y) !important;
+      contain: paint;
+      overflow: auto !important;
+      scrollbar-gutter: stable;
+      will-change: scroll-position;
+    }
+
+    .ant-table-summary {
+      flex-shrink: 0;
+      margin-top: auto;
+    }
+
+    .ant-table-cell {
+      border-bottom-color: hsl(var(--border)) !important;
+    }
+
+    .ant-table-cell-fix-left,
+    .ant-table-cell-fix-right,
+    .ant-table-cell-fix-start,
+    .ant-table-cell-fix-end {
+      background: hsl(var(--card)) !important;
+    }
+
+    .ant-table-thead > tr > th.ant-table-cell-fix-left,
+    .ant-table-thead > tr > th.ant-table-cell-fix-right,
+    .ant-table-thead > tr > th.ant-table-cell-fix-start,
+    .ant-table-thead > tr > th.ant-table-cell-fix-end {
+      z-index: 6;
+      background: hsl(var(--card)) !important;
+    }
+
+    .ant-table-tbody > tr:hover > td.ant-table-cell-fix-left,
+    .ant-table-tbody > tr:hover > td.ant-table-cell-fix-right,
+    .ant-table-tbody > tr:hover > td.ant-table-cell-fix-start,
+    .ant-table-tbody > tr:hover > td.ant-table-cell-fix-end {
+      background: hsl(var(--accent)) !important;
+    }
+
+    .ant-table-summary .ant-table-cell-fix-left,
+    .ant-table-summary .ant-table-cell-fix-right,
+    .ant-table-summary .ant-table-cell-fix-start,
+    .ant-table-summary .ant-table-cell-fix-end {
+      background: hsl(var(--card)) !important;
+    }
+
+    // Fixed column shadows repaint while Antdv toggles shadow classes during horizontal scroll.
+    .ant-table-cell-fix-start-shadow::after,
+    .ant-table-cell-fix-end-shadow::after,
+    .ant-table-cell-fix-left-last::after,
+    .ant-table-cell-fix-right-first::after {
+      box-shadow: none !important;
+    }
+
+    .ant-table-thead > tr > th {
+      position: relative;
+      top: 0;
+      z-index: 5;
+      background: hsl(var(--card)) !important;
+    }
+
+    tfoot.ant-table-summary .ant-table-cell,
+    tfoot.ant-table-summary > tr > td {
+      height: 44px;
+      padding: 0 16px;
+      overflow: hidden;
+      text-overflow: ellipsis;
+      font-size: 13px;
+      line-height: 20px;
+      color: hsl(var(--foreground));
+      white-space: nowrap;
+      border-bottom: 0 !important;
+    }
+  }
+
+  &__index-column {
+    width: 40px;
+    min-width: 40px;
+    max-width: 40px;
+    padding-inline: 4px !important;
+    overflow: visible !important;
+    text-overflow: clip !important;
+    text-align: center;
+    white-space: nowrap;
+  }
+
+  &__index-column .ant-table-cell-content,
+  &__index-column .ant-table-column-title {
+    min-width: 0;
+    overflow: visible;
+    text-overflow: clip;
+  }
+
+  &__action-column {
+    width: 112px;
+    min-width: 112px;
+    max-width: 112px;
+  }
+}
diff --git a/apps/web-antdv-next/src/components/ktTable/styles/tokens.scss b/apps/web-antdv-next/src/components/ktTable/styles/tokens.scss
new file mode 100644
index 0000000..7988763
--- /dev/null
+++ b/apps/web-antdv-next/src/components/ktTable/styles/tokens.scss
@@ -0,0 +1,8 @@
+$block: '.kt-table';
+
+// Keep the block selector in one namespace so every partial shares the same BEM root.
+@mixin block {
+  #{$block} {
+    @content;
+  }
+}
diff --git a/apps/web-antdv-next/src/views/system/ktTableDemo/style.scss b/apps/web-antdv-next/src/views/system/ktTableDemo/style.scss
index 2e625d1..29613c0 100644
--- a/apps/web-antdv-next/src/views/system/ktTableDemo/style.scss
+++ b/apps/web-antdv-next/src/views/system/ktTableDemo/style.scss
@@ -9,6 +9,7 @@
     flex-direction: column;
     gap: 3px;
     min-width: 0;
+    contain: paint;
   }
 
   &__component-title {