.item_gywm {
  width: 100%;
  display: flex;
  align-items: center;
  background: #F0F4FF;
  padding: 40px 0 40px;
}
.item_gywm a{
  display: block;
  width: 200px;
  height: 50px;
  background: #5DBCFF;
  border-radius: 25px;
  -webkit-border-radius: 25px;
  -moz-border-radius: 25px;
  -ms-border-radius: 25px;
  -o-border-radius: 25px;
  color: #fff;
  text-align: center;
  line-height: 50px;
  font-size: 18px;
  margin: 0 auto;
  box-shadow: 0 0 0 5px #D8E3FF;
}
.item_aboutus {
  width: 100%;
  height: auto;
  padding:60px 0;
  background: #F0F4FF;
}
.item_aboutus .main {
  width: auto;
  max-width: 1200px;
  margin: 0 auto;
}
.item_aboutus .main h4 {
  font-size: 20px;
  color: #056AF8;
  font-weight: bold;
  margin: 20px 0;
}
.item_aboutus .main div{
  line-height: 40px;
  text-indent: 2em;
  font-size: 16px;
}
.item_aboutus .main h5 {
  font-size: 16px;
  color: #333;
  font-weight: bold;
}