.m-menu {
  display: flex;
  padding-top: 124px;
  background: url(./assets/menu_line.png) 0 0 repeat-y;
  background-position-x: 8px;

  --m-menu-line-w: 27px;

}

.m-menu-main {
  display: inline-block;

  & .m-menu-item {
    margin: 2px 0;
    font-size: 14px;

    &:hover {

      & > span {
        font-weight: bold;
      }
    }
  }

  .m-menu-main-root-item {
    font-size: 20px;
    margin: 16px 0;
  }

  .m-menu-item-child {
    margin-left: 16px;
  }

  & > .m-menu-item {
    padding-left: 1px;
  }
}