.fl{
  float:left
}
.fr{
  float:right
}
.ov{
  overflow: hidden;
}
.w50{
  width:50%;
}
.m1200{
  width:1200px;
  overflow: hidden;
  height: auto;
  margin:0 auto;
}
.pore{
  position: relative;
}
.active{
  border-bottom: 3px solid #94e1e4;
  color: #000000;
}
.m_header{
  position: relative;
  top: 0px;
  height: 80px;
  width: 100%;
  background: #ffffff;
}
.m_header_botttom{
  background: #15297d;
  position: relative;
  width: 100%;
  z-index:1;
}
.m_header .m1200 .u_logo{
  position: relative;
  z-index: 10;
}
.m_header .m1200 .u_logo img{
  width: 122px;
  height: 126px;
}
.m_header .m1200 .u_logo_text{
  margin-left: 10px;
  margin-top: 21px;
}
.m_header .m1200 .u_logo_text .u_chain_text{
  font-size: 26px;
  line-height: 30px;
  color: #15297d;
  font-family: 微软雅黑;
}
.m_header .m1200 .u_logo_text .u_engligh_text{
  font-size: 12px;
  color: #15297d;
}
.m_header .m1200 .m_sign_box{
  overflow: hidden;
  padding:21px 0px;
}
.m_header .m1200 .m_sign_box .zhong ,.m_header .m1200 .m_sign_box .ying{
  font-size:16px;
  color: #757575;
  line-height: 37px;
  vertical-align: middle;
  cursor: pointer;
}
.m_header .m1200 .m_sign_box .zhong{
  margin-right: 3px;
}
.m_header .m1200 .m_sign_box .m_search_topic{
  width:268px;
  vertical-align: top;
  height:37px;
  border:1px solid #c5bfbf;
  margin-left:15px;
  display: inline-block;
}
.m_header .m1200 .m_sign_box .m_search_topic .u_all{
  width: 67px;
  border-right: 1px solid #c5bfbf;
  color: #000000;
  text-align: left;
  font-size: 18px;
  background: url(arrow_bottom_1.png) 45px 10px no-repeat;
  display: block;
  float: left;
  line-height: 37px;
  margin-left: 8px;
  position: relative;
}
.m_header .m1200 .m_sign_box .m_search_topic .u_all .show{
  background: #3f85fa;
  position: fixed;
  z-index: 200;
  width: 75px;
  margin-left: -8px;
  display: none;
}
.m_header .m1200 .m_sign_box .m_search_topic .u_all .show ul li{
  text-align: center;
  font-size: 14px;
  border-bottom: 1px solid #ffffff;
}
.m_header .m1200 .m_sign_box .m_search_topic .u_all .show ul li a{
  color: #fff;
}
.m_header .m1200 .m_sign_box .m_search_topic input{
  width: 146px;
  padding-left: 10px;
  height: 37px;
  border: 0px;
}
.m_header .m1200 .m_sign_box .loginbotton{
  width: 118px;
  height: 35px;
  float: right;
  margin-left: 20px;
  margin-top: 2px;
}
.m_header_botttom .m1200 .m_nav{
  float: right;
  overflow: hidden;
}
.m_header_botttom .m_nav li{
  padding: 16px 17px;
  color: #ffffff;
  text-align: center;
  font-size:16px;
  float: left;
}
.m_header_botttom .m_nav li:hover{
  background: #071965;;
}
.m_header_botttom .m_nav li a{
  color: #ffffff;
}
.thisname{
  background: #071965
}