.banner {
  display: block;
  width: 100%;
  min-width: 1200px;
  height: 600px;
  background: url(../images/service/bannner.png) top center no-repeat;
  background-size: 1920px 600px;
}
.box1 {
  padding: 100px 0 126px;
}
.box1 ul {
  width: 1140px;
  margin: 50px auto 0;
}
.box1 ul li {
  float: left;
  width: 290px;
  margin: 0 45px ;
  text-align: center;
}
.box1 ul img {
  height: 110px;
  margin-bottom: 10px;
}
.box1 ul h4 {
  font-size: 24px;
  line-height: 50px;
  color: #012A5E;
  text-align: center;
  margin-bottom: 10px;
}
.box1 ul p {
  font-size: 16px;
  line-height: 28px;
  color: #666666;
}
.box2 {
  min-width: 1200px;
  padding: 60px 0 0;
  height: 940px;
  background-image: url(../images/service/adv2.png), url(../images/service/gn-bg.png);
  background-repeat: no-repeat, no-repeat;
  background-position: center  463px, top center;
  background-size: 1060px 530px, 1920px 680px;
}
.box2 h2 {
  font-weight: normal;
}
.box2 ul {
  padding: 0 0.3rem;
  margin: 58px auto 0;
  width: 1030px;
}
.box2 ul li {
  width: 170px;
  height: 155px;
  padding-top: 45px;
  border: 1px solid #418BCA;
  float: left;
  text-align: center;
  border-right: none;
}
.box2 ul li:last-child {
  border-right: 1px solid #418BCA;
}
.box2 ul img {
  height: 50px;
}
.box2 ul p {
  font-size: 18px;
  color: #fff;
  line-height: 60px;
}
.box3 {
  padding: 60px 0 0;
}
.box3 .pk {
  background: url(../images/service/pk.png) top center no-repeat;
  background-size: 1920px 640px;
  min-width: 1200px;
  width: 100%;
  height: 640px;
  margin-top: 50px;
}