@charset "utf-8";

.mg-t50{
  margin-top: 50px;
}
.pd-t50{
  padding-top: 50px;
}
.pd-b50{
  padding-bottom: 50px;
}
.bg-f9faff{
  background-color: #f9faff;
}
.banner-box{
  height: 340px;
  margin: 0 auto;
  background-color: #0129b9;
  overflow: hidden;
  background-size:cover;
  min-width: 1200px;
}
.banner-top, .banner-bottom{
  height: 170px;
  background-size:cover;
}
.banner-top{
  background: url("../images/banner1.jpg") no-repeat top center;
}
.banner-bottom{
  background: url("../images/banner2.jpg") no-repeat bottom center;
}
.core-box{
  display: flex;
}
.core-box li{
  flex: 1;
}
.footer{
  background: #172bc4 url("../images/bottom_bg.jpg") no-repeat bottom center;
  height: 99px;
  line-height: 99px;
}