.nav.navbar-nav > li:first-child > a,
.nav.navbar-nav > li:first-child > a:hover{
  color: #007AFF;
}
.banner{
  margin-top: 80px;
  padding: 40px 0;
  height: 290px;
  background: url("/build/images/introduction/banner.min.png") repeat-x center ;
}

.banner-title{
  max-width: 928px;
  margin: 0 auto;
  color: #fff;
}

.banner-title h1{
  font-size: 35px;
  margin-top: 0;
  margin-bottom: 45px;
}

.banner-title small{
  font-size: 24px;
  color: #fff;
  font-weight: 300;
}

.a-wrap {
  border: 1px solid #fff;
  height: 50px;
  border-radius: 5px;
  margin-top: 54px;
}
.a-wrap a{
    font-size: 16px;
  display: inline-block;
  float: left;
  width: 20%;
  height: 48px;
  color: #fff;
  text-align: center;
  padding: 13px 0;
  border-right: 1px solid #fff;
}

.a-wrap a:last-child{
  border-right: 0;
}

.a-wrap a:after{
  clear: both;
}

.a-wrap a:focus, .a-wrap a:hover{
  background: #fff;
  text-decoration: none;
  color: #003D89;
}

.son-wrap {
  max-width: 928px;
  margin: 0 auto;
}

.title-warp{
  padding: 90px 0 50px 0;
}

p.bold{
  font-size: 24px;
}

.txt-indent p{
  text-indent: 2em;
  line-height: 33px;
  font-size: 24px;
}

.txt-indent p.en{
  text-indent: 0;
}

hr{
  border-top: 1px solid #CACACA;
  margin-top: 60px;
  margin-bottom: 0;
}

.address-wrap{
  padding: 30px 0;
  margin-bottom: 100px;
}

.address-wrap div p{
  color: #0054A8;
  margin-bottom: 0;
}

.address-wrap>div{
  min-height: 65px;
}

.address-wrap>div>div{
  margin-bottom: 16px;
  font-size: 12px;
}
.tab{
  width: 100%;
  margin-top: 25px;
  position: relative;
  overflow: hidden;
}
.label{
  font-size: 14px;
    line-height: 25px;
    color: #5f6464 !important;
    padding: 0 40px;
    padding-bottom: 15px;
    font-weight: normal;
}
.tab .tab_menu{
  border-top: 2px solid #f2f3f5;
  overflow: hidden;
 }
 .tab .tab_menu .clear{
   clear: both;
 }

 .tab .tab_menu ul{
  height: 47px;
  width: 1245px;
 }

 .inleft{
   position: relative;
   left: 0;
 }

 .inright{
  position: relative;
  right: 317px;
}
 .tab .tab_menu ul li{
  float: left;
  margin-right: 43px;
  text-align: center;
  line-height: 30px;
  padding-top: 8px;
 }
 .tab .tab_menu ul li p{
  cursor: pointer;
  font-size: 16px;
  line-height: 29px;
 }
 .tab .tab_menu ul li:last-child{
  /* border-right:none;
  width: 100px; */
  margin-right: 63px;
 }
 .tab .tab_menu ul li.on{
  border-top: 2px solid #0052d9;
 }

 .tab .tab_box{
 margin-left: 40px;
 width: 1245px;
 font-size: 14px;
line-height: 25px;
color: #5f6464;
 }
 .tab .tab_box > div{
   height: 300px;
   width: 250px;

  display: none;
  /* 将三个内容框架全隐藏，通过下面的:first-child属性只将第一个框架内容显示出来 */
 }
 .tab .tab_box > div:first-child{
  display: block;
 }
.imgleft{
  width: 143px;
  height: 47px;
  left: 0;
  top: 0;
  position: absolute;
  z-index: 2;
  cursor: pointer;
  display: none;
 }
 .imgleft img{
   width: 100%;
 }

 .imgright{
  width: 143px;
  height: 47px;
  right: 0;
  top: 0;
  position: absolute;
  z-index: 2;
  cursor: pointer;

 }
 .imgright img{
   width: 100%;
 }