.menu-nav {
  margin-bottom: 242px;
}

.menu-nav .menu-item {
  text-align: center;
  display: block;
  color: #ffffff;
  font-size: 22px;
  font-family: "微软雅黑";
  padding-top: 10px;
  padding-bottom: 10px;
  border-right: 1px solid transparent;
  border-image: url(../i/zw_nav_line.png) 0 1 0 1 stretch;
}

.menu-nav .menu-item:first-child {
  border-left: 1px solid transparent;
}

.menu-item:hover {
  background-color: rgb(41 66 101 / 0.35);
}

.menu-item .menu-link {
  color: #ffffff;
  text-decoration: none;
}

.menu-item .submenu {
  position: absolute;
  width: 100%;
  left: 0;
  top: 100%;
  z-index: 1999;
  background-color: rgb(41 66 101 / 0.35);
}

.menu-item .icon {
  display: none;
}

.submenu .submenu-item {
  text-align: left;
  display: block;
  padding: 10px 15px;
  font-size: 20px;
  line-height: 27px;
  margin-top: 0;
  color: #fff;
  font-style: normal;
  font-weight: normal;
  text-transform: capitalize;
  border-top: 1px solid #285c94;
}

.modal {
  z-index: 2050;
}

@media (max-width: 768px) {
  .menu-nav {
    background: #fff;
    -webkit-box-shadow: 0 1px 9px -3px rgba(0, 0, 0, 0.75);
    box-shadow: 0 1px 9px -3px rgba(0, 0, 0, 0.75);
    z-index: 2001;
    position: fixed;
    top: 0;
    bottom: 0;
    -webkit-transition: left 0.3s ease, right 0.3s ease, bottom 0.3s ease,
      top 0.3s ease;
    transition: left 0.3s ease, right 0.3s ease, bottom 0.3s ease, top 0.3s ease;
    left: -295px;
    width: 275px !important;
    overflow: auto;
    padding: 1rem 0 2rem;
    margin-bottom: 0;
  }

  .menu-nav.on-show {
    -webkit-transition: left 0.3s ease, right 0.3s ease, bottom 0.3s ease,
      top 0.3s ease;
    transition: left 0.3s ease, right 0.3s ease, bottom 0.3s ease, top 0.3s ease;
    left: 0;
  }

  .menu-nav .row {
    margin: 0;
  }

  .menu-nav .menu-item {
    text-align: left;
    font-size: 17px;
    font-weight: bold;
    color: #285c94;
    border: 0;
    padding: 0;
  }

  .menu-nav .menu-item:hover {
    background-color: #f3f6f9;
  }

  .menu-item .menu-link {
    color: #285c94;
  }

  .menu-item .menu-head {
    width: 100%;
    padding: 10px 20px;
    display: flex;
    align-items: center;
  }

  .menu-item .icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    fill: #285c94;
    margin-right: 10px;
  }

  .menu-item .icon.arrow {
    width: 16px;
    height: 16px;
    position: absolute;
    right: 10px;
  }

  .menu-item .icon.arrow {
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }

  .menu-item .icon.arrow[aria-expanded="true"] {
    -webkit-transform: rotateZ(90deg);
    transform: rotateZ(90deg);
  }

  .menu-item .submenu {
    position: relative;
    width: 100%;
    top: auto;
    left: auto;
    z-index: 1;
    background-color: #fff;
  }

  .submenu .submenu-item {
    padding: 8px 20px 8px 55px;
    border: 0;
    font-size: 16px;
  }
}