body,html{min-height: 100%;}

ul,li{ padding:0;margin:0;list-style:none}
.clearfix:after{
  content:"";
  height:0;
  line-height:0;
  display:block;
  visibility:hidden;
  clear:both
  }
  .clearfix{
  zoom:1;
  }
.dh_16{position: relative;z-index: 2;min-height: 40px;}
.dh_16 .headBox {
  width: 100%;
}
.dh_16 .nav {
  height: 100%;position: relative;
}
.dh_16 .nav ul.submenu{
  height: 100%;
  position: absolute;
  top: 40px;
}


.dh_16 .nav ul .active>.cont .i_top{display: block;}
.dh_16 .nav ul .menu:hover ul.submenu{display: block;}
.dh_16 .nav ul li .cont:hover .i_top{display: block;}










.dh_16 .nav ul{background: #143c94;text-align: center;}
.dh_16 .nav ul li{width: 180px;text-align: center;}
.dh_16 .nav ul .menu {
  float: left;
  /* display: inline-block; */
  position: relative;
}
.dh_16 .nav a {
  display: inline-block;
  color: #fff;
  line-height: 24px;
  text-align: center;
  margin: 8px 0;border-bottom: 2px solid #fff;
}
.dh_16 .nav ul li ul li{float: none;}
.dh_16 .nav ul li ul{display: none;}

/* 谈层 */
.tanceng{display: none;}
.medu{display: none;}


@media only screen and (min-width: 100px) and (max-width: 1000px) {
  /*media*/
  
  .dh_16 .headBox{width: 100%;display: none}
  .dh_16 .headBox .nav{position: fixed;z-index: 999;top: 0;left: 0;bottom: 0;width: 70%;background: #343434;min-height: 100%;}
  .dh_16 .nav ul .menu{float: none;text-align: center;background: none;border: none;border-radius: 0;margin: 0;width: 100%;}
  .dh_16 .nav ul li a{display: block;width: 100%;padding: 0;color: #fff !important;}
  .dh_16 .nav ul.submenu{position: relative;top: 0 !important;}
  .dh_16 .nav ul li .sanjiao{display: none;}
  .dh_16 .nav ul li .i_right{display: none;}
/*endmedia*/
}