body {
  background: #F5F6FA;
}
.mb-nav {
  background: #fff;
  padding: 13px 15px;
  overflow-x: scroll;
}
.mb-nav li {
  margin-right: 17px;
  font-size: 15px;
  flex: none;
}
.mb-nav li a {
  color: #000;
}
.mb-nav li.on {
  background: #E1F0FF;
  border-radius: 5px;
  padding: 10px 14px;
}
.mb-nav li.on a {
  color: #0649A5;
}
.nav {
  width: 272px;
  background: #fff;
  min-height: 577px;
  height: max-content;
}
.nav .nav-title {
  background: #0855B3;
  padding: 15px 0;
  color: #fff;
  font-size: 20px;
  text-align: center;
}
.nav ul {
  padding: 12px 18px;
}
.nav ul li {
  background: #F5F6FA;
  padding: 13px 0;
  border-radius: 3px;
  margin-bottom: 10px;
  text-align: center;
  cursor: pointer;
  transition: all ease-in-out 0.3s;
}
.nav ul li a {
  color: #090909;
}
.nav ul li.on,
.nav ul li:hover {
  background: #E1F0FF;
}
.nav ul li.on a,
.nav ul li:hover a {
  color: #306DCA;
}
#contact .main {
  padding-bottom: 70px;
}
#contact .main .message {
  width: 1135px;
  background: #fff;
  padding: 0 30px;
}
#contact .main .message .list .item {
  padding: 32px 15px 35px;
  border-bottom: 1px solid #E2E2E2;
}
#contact .main .message .list .item .img-div {
  width: 250px;
  text-align: center;
}
#contact .main .message .list .item .img-div img {
  max-width: 100%;
}
#contact .main .message .list .item .text {
  width: 760px;
}
#contact .main .message .list .item .text h2 {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}
#contact .main .message .list .item .text p {
  line-height: 30px;
}
#contact .main .message .font18 {
  padding: 27px 0 49px;
}
@media screen and (max-width: 1024px) {
  #contact .nav {
    display: none;
  }
  #contact .navigation .page-link {
    margin-bottom: 8px;
  }
  #contact .main .message {
    padding: 0 15px;
  }
  #contact .main .message .list .item {
    padding: 25px 0;
    flex-direction: column;
    justify-content: flex-start;
  }
  #contact .main .message .list .item .img-div {
    width: 100%;
    text-align: left;
    margin-bottom: 18px;
  }
  #contact .main .message .list .item .text {
    width: 100%;
  }
  #contact .main .message .list .item .text h2 {
    font-size: 15px;
    margin-bottom: 5px;
  }
  #contact .main .message .list .item .text p {
    font-size: 14px;
    line-height: 25px;
  }
  #contact .main .message > .font18 {
    padding: 18px 0 22px;
    font-size: 14px;
  }
}