.site-header {
  position: relative;
  top: 0;
  left: 0;
  z-index: 10;
  min-width: 1200px;
  background: url("../img/product/nav_bg1.png") repeat-X;
  height: 60px;
}
.site-header .header-content {
  width: 1200px;
  min-width: 1200px;
  margin: 0 auto;
}
.site-header .header-content .logo {
  float: left;
  position: relative;
  top: 12px;
}
.site-header .header-content .nav {
  float: right;
  height: 60px;
}
.site-header .header-content .nav .index,
.site-header .header-content .nav .product-service,
.site-header .header-content .nav .solution,
.site-header .header-content .nav .help,
.site-header .header-content .nav .about {
  position: relative;
  top: -4px;
  float: left;
  margin: 0 25px;
}
.site-header .header-content .nav .index a.first,
.site-header .header-content .nav .product-service a.first,
.site-header .header-content .nav .solution a.first,
.site-header .header-content .nav .help a.first,
.site-header .header-content .nav .about a.first {
  font: 0.2rem "Microsoft YaHei", "PingFang SC";
  color: #fff;
  text-align: right;
  position: relative;
  top: 4px;
  display: block;
  height: 60px;
  line-height: 60px;
}
.site-header .header-content .nav .index:hover,
.site-header .header-content .nav .product-service:hover,
.site-header .header-content .nav .solution:hover,
.site-header .header-content .nav .help:hover,
.site-header .header-content .nav .about:hover {
  border-bottom: 4px solid #fff;
}
.site-header .header-content .nav .about {
  text-align: left;
  margin-right: 0;
  border-bottom: 4px solid #fff;
}
.site-header .header-content .nav .product-service,
.site-header .header-content .nav .solution {
  position: relative;
}
.site-header .header-content .nav .product-service .dropdown-menu,
.site-header .header-content .nav .solution .dropdown-menu {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  background-color: rgba(0,0,0,0.5) !important;
  background: #000;
  filter: Alpha(opacity = 50);
  width: 150px;
}
.site-header .header-content .nav .product-service .dropdown-menu .dropdown-menu-item,
.site-header .header-content .nav .solution .dropdown-menu .dropdown-menu-item {
  float: none;
  width: 150px;
  line-height: normal;
}
.site-header .header-content .nav .product-service .dropdown-menu .dropdown-menu-item a,
.site-header .header-content .nav .solution .dropdown-menu .dropdown-menu-item a {
  display: block;
  color: #fff;
  font-size: 14px;
  padding-left: 20px;
}
.site-header .header-content .nav .product-service .dropdown-menu .dropdown-menu-item a:hover,
.site-header .header-content .nav .solution .dropdown-menu .dropdown-menu-item a:hover {
  color: #fcefef;
  font-size: 16px;
}
.site-header .header-content .nav .product-service .dropdown-menu-pro,
.site-header .header-content .nav .solution .dropdown-menu-pro {
  height: 90px;
}
.site-header .header-content .nav .product-service .dropdown-menu-pro .cloud,
.site-header .header-content .nav .solution .dropdown-menu-pro .cloud {
  margin: 17px 0;
}
.site-header .header-content .nav .product-service .dropdown-menu-sol,
.site-header .header-content .nav .solution .dropdown-menu-sol {
  height: 135px;
}
.site-header .header-content .nav .product-service .dropdown-menu-sol .ser,
.site-header .header-content .nav .solution .dropdown-menu-sol .ser {
  margin: 18px 0;
}
.site-header .header-content .nav .product-service .dropdown-menu-sol .ser+li,
.site-header .header-content .nav .solution .dropdown-menu-sol .ser+li {
  margin-bottom: 18px;
}
.site-header .header-content .nav .product-service:hover .dropdown-menu,
.site-header .header-content .nav .solution:hover .dropdown-menu {
  display: block;
}
.banner {
  margin-top: 0px;
  background: url("../img/about/banner9.jpg") no-repeat center center;
  height: 400px;
  min-width: 1200px;
}
.container {
  min-width: 1200px;
}
.container .introduce {
  width: 1200px;
  margin: 0 auto;
}
.container .introduce h3 {
  text-align: center;
  color: #1ca5fa;
  font-size: 34px;
  font-weight: bold;
  margin-top: 60px;
  margin-bottom: 40px;
}
.container .introduce p {
  line-height: 28px;
  color: #333;
  font-size: 16px;
}
.container .introduce .middle {
  margin: 10px 0;
}
.container .quali {
  width: 1200px;
  margin: 100px auto;
}
.container .quali h3 {
  text-align: center;
  color: #1ca5fa;
  font-size: 34px;
  font-weight: bold;
  margin-bottom: 50px;
}
.container .quali .quali-class {
  width: 1200px;
  height: 158px;
}
.container .quali .quali-class li {
  width: 130px;
  height: 158px;
  position: relative;
  float: left;
  color: #666;
  font-size: 30px;
  background-repeat: no-repeat;
  background-position: center 10px;
}
.container .quali .quali-class li span {
  position: absolute;
  bottom: 0px;
}
.container .quali .quali-class .qualification {
  margin-left: 10px;
  margin-right: 205px;
  background-image: url("../img/about/icon9_1.png");
}
.container .quali .quali-class .copyright {
  background-image: url("../img/about/icon9_2.png");
  width: 150px;
}
.container .quali .quali-class .dsoft {
  margin-left: 205px;
  margin-right: 205px;
  background-image: url("../img/about/icon9_3.png");
}
.container .quali .quali-class .iso {
  margin-right: 10px;
  background-image: url("../img/about/icon9_4.png");
}
.container .quali .quali-class .iso span {
  left: 14px;
}
.container .addr-con {
  width: 1200px;
  margin: 0 auto;
}
.container .addr-con h3 {
  text-align: center;
  color: #1ca5fa;
  font-size: 34px;
  font-weight: bold;
  margin-bottom: 50px;
}
.container .addr-con .content {
  width: 700px;
  margin: 0 auto;
}
.container .addr-con .content p {
  color: #333;
  font-size: 16px;
}
.container .addr-con .content p.mail {
  margin: 20px 0;
}