.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;
}
.site-header .header-content .nav .solution {
  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;
}
.solution-nav {
  font-family: "Microsoft YaHei", "PingFang SC";
  height: 90px;
  width: 100%;
  min-width: 1200px;
}
.solution-nav .menu {
  width: 444px;
  margin: 0 auto;
}
.solution-nav .menu .client,
.solution-nav .menu .industry,
.solution-nav .menu .functional {
  width: 148px;
  height: 90px;
  line-height: 90px;
  color: #666;
  font-size: 16px;
  float: left;
  position: relative;
}
.solution-nav .menu .client span,
.solution-nav .menu .industry span,
.solution-nav .menu .functional span {
  position: absolute;
}
.solution-nav .menu .client,
.solution-nav .menu .industry {
  background: url("../img/product/nav2_line.png") no-repeat;
  background-position: center right;
}
.solution-nav .menu .client span {
  width: 32px;
  right: 0;
  padding: 0 26px;
}
.solution-nav .menu .client span:hover {
  color: #1ca5fa;
}
.solution-nav .menu .industry span,
.solution-nav .menu .functional span {
  left: 26px;
}
.solution-nav .menu .functional span,
.solution-nav .menu .industry:hover span {
  color: #1ca5fa;
}
.banner {
  width: 100%;
  min-width: 1200px;
  height: 400px;
  background: url("../img/functional/banner7.jpg") center center no-repeat;
}
.container {
  min-width: 1200px;
}
.container .defence,
.container .data-change {
  width: 1200px;
  margin: 0 auto 100px;
  position: relative;
}
.container .defence h3,
.container .data-change h3 {
  font-weight: bold;
  font-size: 34px;
  color: #1ca5fa;
  text-align: center;
  margin: 60px auto 40px;
}
.container .defence .item .icon,
.container .data-change .item .icon {
  float: left;
  width: 70px;
  margin-right: 70px;
  margin-left: 114px;
}
.container .defence .item .text,
.container .data-change .item .text {
  float: left;
  width: 830px;
}
.container .defence .item .text h4,
.container .data-change .item .text h4 {
  color: #333;
  font-size: 24px;
  margin-bottom: 30px;
}
.container .defence .item .text p,
.container .data-change .item .text p {
  line-height: 34px;
  font-size: 16px;
  color: #666;
}
.container .defence .setting,
.container .data-change .setting {
  margin-bottom: 37px;
}
.container .data-change {
  margin-bottom: 0;
}