.navbar .navbar-collapse {
  justify-content: center;
}
.navbar .navbar-collapse .navbar-nav li {
  margin: 0 20px;
}
.bjt {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  background: url(../assets/uploads/about/bj.png) no-repeat center center / cover;
}
.bjt .gywm {
  text-align: center;
}
.bjt .gywm img {
  margin: 100px 0;
  width: 30%;
}
.bjt .intro {
  width: 80%;
  padding: 20px 50px;
  margin-bottom: 50px;
  text-align: center;
  background-color: #fff;
}
.bjt .intro div {
  margin-bottom: 20px;
  font-size: 24px;
  font-weight: 700;
}
.bjt .intro span {
  font-weight: 700;
}
.bjt .contact {
  width: 80%;
  padding: 20px 50px;
  margin-bottom: 50px;
  text-align: center;
  background-color: #fff;
  font-weight: 700;
}
.bjt .contact .lxwm {
  margin-bottom: 20px;
  font-size: 24px;
}
.bjt .contact .address {
  margin: 0 auto;
}
.bjt .contact .address div {
  margin-top: 10px;
}