shuiwu/node_modules/ant-design-vue/es/menu/style/light.less

.@{menu-prefix-cls} {
  // light theme
  &-light {
    .@{menu-prefix-cls}-item:hover,
    .@{menu-prefix-cls}-item-active,
    .@{menu-prefix-cls}:not(.@{menu-prefix-cls}-inline) .@{menu-prefix-cls}-submenu-open,
    .@{menu-prefix-cls}-submenu-active,
    .@{menu-prefix-cls}-submenu-title:hover {
      color: @menu-highlight-color;
    }
  }
}