jnpf-web-vue3/node_modules/ant-design-vue/es/menu/style/horizontal.js

const getHorizontalStyle = token => {
  const {
    componentCls,
    motionDurationSlow,
    menuHorizontalHeight,
    colorSplit,
    lineWidth,
    lineType,
    menuItemPaddingInline
  } = token;
  return {
    [`${componentCls}-horizontal`]: {
      lineHeight: `${menuHorizontalHeight}px`,
      border: 0,
      borderBottom: `${lineWidth}px ${lineType} ${colorSplit}`,
      boxShadow: 'none',
      '&::after': {
        display: 'block',
        clear: 'both',
        height: 0,
        content: '"\\20"'
      },
      // ======================= Item =======================
      [`${componentCls}-item, ${componentCls}-submenu`]: {
        position: 'relative',
        display: 'inline-block',
        verticalAlign: 'bottom',
        paddingInline: menuItemPaddingInline
      },
      [`> ${componentCls}-item:hover,
        > ${componentCls}-item-active,
        > ${componentCls}-submenu ${componentCls}-submenu-title:hover`]: {
        backgroundColor: 'transparent'
      },
      [`${componentCls}-item, ${componentCls}-submenu-title`]: {
        transition: [`border-color ${motionDurationSlow}`, `background ${motionDurationSlow}`].join(',')
      },
      // ===================== Sub Menu =====================
      [`${componentCls}-submenu-arrow`]: {
        display: 'none'
      }
    }
  };
};
export default getHorizontalStyle;