.beader_top {
  width: 100%;
  height: 2.75rem;
  position: relative;
  background-color: #fff;
}
.beader_top .header_logo {
  width: 7.9rem;
  height: 1.5rem;
  float: left;
  margin: .7rem 0 0 .7rem;
}
.beader_top .header_logo img {
  width: 7.9rem;
  height: 1.5rem;
}
.beader_top .header_nav {
  float: right;
  margin: .8rem .8rem 0 0;
}
.beader_top .header_nav .header_navdh {
  width: 2.35rem;
  height: 1.1rem;
  border-radius: .6rem;
  display: flex;
  align-items: center;
  position: relative;
  border: 1px solid #1a7af8;
  font-size: .65rem;
  color: #1a7af8;
  text-indent: .4rem;
  padding-left: .35rem;
}
.beader_top .header_nav .header_navdh::before {
  position: absolute;
  content: '';
  border: .3rem solid transparent;
  border-top-color: #1a7af8;
  top: .45rem;
  right: .4rem;
}
.beader_top .header_nav .header_navdh::after {
  position: absolute;
  content: '';
  border: .3rem solid transparent;
  border-top-color: #fff;
  top: .4rem;
  right: .4rem;
}
.beader_top .header_nav .top_gb {
  width: .9rem;
  height: .9rem;
  display: none;
}
.header_nav_xl {
  width: 94%;
  height: auto;
  padding: 0 3%;
  position: absolute;
  top: 2.75rem;
  z-index: 5;
  border-top: 1px solid #dadada;
  display: none;
  background-color: #fff;
  padding-bottom: 50px;
}
.header_nav_xl .header_nav_list {
  height: auto;
  position: relative;
  margin-top: .75rem;
  padding-bottom: .5rem;
  border-bottom: 1px dashed #dadada;
}
.header_nav_xl .header_nav_list h6 {
  display: block;
  font-size: .75rem;
  color: #333;
  line-height: .85rem;
  font-weight: normal;
}
.header_nav_xl .header_nav_list span {
  position: absolute;
  right: 3%;
  top: .15rem;
  width: .85rem;
  height: .5rem;
  background: url(../img/jiantou_b.png) no-repeat;
  background-size: 100% 100%;
}
.header_nav_xl .header_nav_list .header_item {
  display: none;
  flex-wrap: wrap;
 /* justify-content: space-between;*/
   justify-content: flex-start;
}
.header_nav_xl .header_nav_list .header_item a {
  width: 30%;
  height: 1.5rem;
  margin-top: .75rem;
  border-radius: .2rem;
  background-color: #eff1f6;
  font-size: .7rem;
  color: #555;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  margin-right: 5%;
}
.header_nav_xl .header_nav_list .header_item a:nth-child(3n){
  margin-right: 0;
}
.header_nav_xl .header_nav_listshow {
  border-bottom: 0;
}
.header_nav_xl .header_nav_listshow span {
  background: url(../img/jiantou_t.png) no-repeat;
  background-size: 100% 100%;
}
.header_nav_xl .header_nav_listshow .header_item {
  display: flex;
}
/*娣诲姞鐢佃瘽鍙风爜*/
.beader_top .phone_tel{
    float: left;
    margin: 1rem .8rem 0 1.2rem;
    color: #1a7af8;
    font-size: 0.65rem;
}
/* 鐣欏璁＄畻鍣� */
@keyframes mymove {
  0%{transform: scale(1);}
  25%{transform: scale(1.1);}
  50%{transform: scale(1);}
  75%{transform: scale(1.1);}
}
 .pub_lxjsq .main_jsq{
    width:100%;
    height: 6.5rem;
    position: relative;
    background: url(https://bj.xhd.cn/topic/lx/m/img/ydlxjsq_bg.jpg) 0 0 no-repeat;
    background-size: 100% 100%;
  }
  .pub_lxjsq .main_jsq a{
    display: block;
    position: absolute;
    width:3.65rem;
    height: 3.65rem;
    right:0.75rem;
    top: 1.4rem;
    border: 0;
    background: url(https://bj.xhd.cn/topic/lx/m/img/ydlxjsq_btn.png) 0 0 no-repeat;
    animation: mymove 3s infinite;
    background-size: 100% 100%;
  }