init

node_modules/ng-zorro-antd/cascader/style/entry.less

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+@import './index.less';
+@import './patch.less';
+// style dependencies
+@import '../../empty/style/entry.less';
+@import '../../input/style/entry.less';

node_modules/ng-zorro-antd/cascader/style/index.less

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+@import '../../style/themes/index';
+@import '../../style/mixins/index';
+@import '../../input/style/mixin';
+@import '../../checkbox/style/mixin';
+
+@cascader-prefix-cls: ~'@{ant-prefix}-cascader';
+
+.antCheckboxFn(@checkbox-prefix-cls: ~'@{cascader-prefix-cls}-checkbox');
+
+.@{cascader-prefix-cls} {
+  width: 184px;
+
+  &-checkbox {
+    top: 0;
+    margin-right: @padding-xs;
+  }
+
+  &-menus {
+    display: flex;
+    flex-wrap: nowrap;
+    align-items: flex-start;
+
+    &.@{cascader-prefix-cls}-menu-empty {
+      .@{cascader-prefix-cls}-menu {
+        width: 100%;
+        height: auto;
+      }
+    }
+  }
+
+  &-menu {
+    flex-grow: 1;
+    min-width: 111px;
+    height: 180px;
+    margin: 0;
+    padding: @cascader-dropdown-edge-child-vertical-padding 0;
+    overflow: auto;
+    vertical-align: top;
+    list-style: none;
+    -ms-overflow-style: -ms-autohiding-scrollbar; // https://github.com/ant-design/ant-design/issues/11857
+
+    &:not(:last-child) {
+      border-inline-end: @border-width-base @border-style-base @cascader-menu-border-color-split;
+    }
+
+    &-item {
+      display: flex;
+      flex-wrap: nowrap;
+      align-items: center;
+      padding: @cascader-dropdown-vertical-padding @control-padding-horizontal;
+      overflow: hidden;
+      line-height: @cascader-dropdown-line-height;
+      white-space: nowrap;
+      text-overflow: ellipsis;
+      cursor: pointer;
+      transition: all 0.3s;
+
+      &:hover {
+        background: @item-hover-bg;
+      }
+
+      &-disabled {
+        color: @disabled-color;
+        cursor: not-allowed;
+
+        &:hover {
+          background: transparent;
+        }
+      }
+
+      .@{cascader-prefix-cls}-menu-empty & {
+        color: @disabled-color;
+        cursor: default;
+        pointer-events: none;
+      }
+
+      &-active:not(&-disabled) {
+        &,
+        &:hover {
+          font-weight: @select-item-selected-font-weight;
+          background-color: @cascader-item-selected-bg;
+        }
+      }
+
+      &-content {
+        flex: auto;
+      }
+
+      &-expand &-expand-icon,
+      &-loading-icon {
+        margin-left: @padding-xss;
+        color: @text-color-secondary;
+        font-size: 10px;
+
+        .@{cascader-prefix-cls}-menu-item-disabled& {
+          color: @disabled-color;
+        }
+      }
+
+      &-keyword {
+        color: @highlight-color;
+      }
+    }
+  }
+
+  // ===================== Compact Item Styles =====================
+  .compact-item(@cascader-prefix-cls);
+}
+
+@import './rtl';

node_modules/ng-zorro-antd/cascader/style/patch.less

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+.ant-cascader-menus {
+  position: relative;
+  margin-top: 2px;
+  margin-bottom: 2px;
+}

node_modules/ng-zorro-antd/cascader/style/rtl.less

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+// We can not import reference of `./index` directly since it will make dead loop in less
+@import (reference) '../../style/themes/index';
+@cascader-prefix-cls: ~'@{ant-prefix}-cascader';
+
+.@{cascader-prefix-cls}-rtl {
+  .@{cascader-prefix-cls}-menu-item {
+    &-expand-icon,
+    &-loading-icon {
+      margin-right: @padding-xss;
+      margin-left: 0;
+    }
+  }
+
+  .@{cascader-prefix-cls}-checkbox {
+    top: 0;
+    margin-right: 0;
+    margin-left: @padding-xs;
+  }
+}