body {
  
}
.domMob {
  display: none;
}

.domPc {
  display: block;
}
body {
	background: url(//www.news.cn/science/wlhtr/index/images/wlhtr_banner.jpg) 50% 0 no-repeat;
}
.banner {
	height:894px;
}
/* 头部导航 */
.topdh {
	width: 100%;
	height: 106px;
	border-bottom: 1px solid #fab3b4;
}
.nav {
	width: 1200px;
	margin: auto;
	height: 106px;
}
.nav ul {
	margin-left: 240px;
}
.nav li a {
	line-height: 106px;
	float: left;
	height: 106px;
	text-align: center;
	color: #fff;
	font-size: 22px;
	font-weight: bold;
	width: 108px;
	margin: 0 42px;
}
.nav li a:hover {
	background: #fff9e2;
	color: #fe5f4b;
	box-shadow: 0 0 10px 4px rgba(0, 0, 0, 0.1);
}
.nav li .on {
	background: #fff9e2;
	color: #fe5f4b;
	box-shadow: 0 0 10px 4px rgba(0, 0, 0, 0.1);
}

.title {
  position: relative;
  margin: 0 auto;
  font-size: 30px;
  line-height: 1.5;
  font-weight: 700;
  color: #ff675e;
  border-bottom: 1px solid #ccc;
}
.title:before {
  content: '';
  display: none;
  vertical-align: top;
  margin-top: 8px;
  margin-right: 5px;
  width: 6px;
  height: 30px;
  background: #ff675e;
}

.ej-list{ width: 1200px; margin: auto; margin-top: 40px;}

.list-txt {
  margin-top: 30px;
}
.list-txt li {
  position: relative;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  padding: 15px 0 15px 10px;
  line-height: 26px;
  border-bottom: 1px dotted #ccc;
}
.list-txt li .img{
  width: 200px;
  margin-right: 10px;
}
.list-txt li .img img{
  width:100%;
  height: 112px;
}
.list-txt li .tit {
  font-size: 20px;
  color: #333;
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -moz-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
}
.list-txt li .tit a {
  color: #333;
}
.list-txt li .time {
  margin-left: 10px;
  font-size: 14px;
  color: #999;
}
.list-txt li:before {
  content: '';
  margin-right: 10px;
  width: 6px;
  height: 6px;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  border-radius: 50%;
  background: #ac2317; display: none;
}
.list-txt li:last-child {
  border-bottom: 0;
}
.list-pic {
  margin-top: 30px;
}
.list-pic ul {
  font-size: 0;
  width: 1240px;
}
.list-pic ul li {
  vertical-align: top;
  display: inline-block;
  position: relative;
  width: 280px;
  margin-right: 27px;
  margin-bottom: 15px;
}
.list-pic ul li .img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 150px;
  overflow: hidden;
}
.list-pic ul li .img img {
  width: 100%;
  height: auto;
}
.list-pic ul li .tit {
  padding: 5px 10px;
  font-size: 18px;
  line-height: 26px;
  min-height: 62px;
  color: #333;
}
.list-pic ul li .tit a {
  color: #333;
}
.btn {
  width: 100px;
  text-align: center;
  margin-top: 30px;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid #bbb;
  background: #eee;
  line-height: 36px;
  font-size: 16px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  border-radius: 5px;
  cursor: pointer;
}

/* 版权 */
.footer {
	padding: 60px 0;
	background: #0d0e30;
	text-align: center;  margin-top: 60px;
	
}
.footer p {
	line-height: 30px;
	font-size: 16px;
	color: #fff;
}

@media screen and (max-width: 1200px) {
  .domMob {
    display: block;
  }

  .domPc {
    display: none;
  }

/* 导航 */
.nav_box {
  position: relative;
  z-index: 2;
  margin-top: 0px;
  width: 100%;
  height: 50px;
  background: url(//www.news.cn/science/index/2023new/kpmob_dhbg.jpg) 0 0 no-repeat;
  background-size: 100% 100%;
}

.nav_list_logo {
  float: left;
  width: 25%;
  margin-top: 10px;
  padding-left: 5%;
}

.nav_list_logo img {
  width: 75px;
  height: auto;
}
.nav_list .on{ background: url(//www.news.cn/science/index/2023new/kpzg_mdhbg.png) 0 0 no-repeat; background-size: 100% 100%;box-shadow: 0 0px 5px rgba(1, 79, 230, 0.5);
}
.nav_list li:first-child a{color: #fff;}
.nav_list li:first-child{margin-left: 5px;}

.nav_list {
  list-style: none;
  width: 68%;

  height: auto;
  overflow-x: scroll;
  font-size: 0;
  white-space: nowrap;
  float: left;
}

.nav_list li {
  display: inline-block;
  font-size: 16px;
  font-weight: bold;
  color: #117eff;
  line-height: 50px;
  padding: 0 10px;
}

.nav_list li a {
  color: #117eff;
}
.ej-list{ width: 96%; margin: auto;}
.title {
  font-size: 20px;
}
.title:before {
  width: 6px;
  margin-top: 7px;
  height: 26px;
}
.ej-list {
  margin-top: 10px;
  margin-bottom: 20px;
}
.list-txt {
  margin-top: 10px;
}
.list-txt li {
  padding: 10px 0 10px 5px;
  line-height: 1.5;
}
.list-txt li .img{
  width: 130px;
  margin-right: 5px;
}
.list-txt li .tit {
  font-size: 18px;
}
.list-txt li .time {
  display: none;
}
.list-txt li:before {
  -webkit-align-self: center;
  -ms-flex-item-align: center;
  align-self: start;
  margin-top: 12px;
  margin-right: 5px;
  width: 4px;
  height: 4px;
}
.list-pic {
  margin-top: 10px;
}
.list-pic ul {
  font-size: 0;
  width: 100%;
}
.list-pic ul li {
  vertical-align: top;
  display: inline-block;
  position: relative;
  width: 49%;
  margin-right: 2%;
  margin-bottom: 10px;
}
.list-pic ul li:nth-child(even) {
  margin-right: 0;
}
.list-pic ul li .img {
  height: auto;
}
.list-pic ul li .img img {
  width: 100%;
  height: auto;
}
.list-pic ul li .tit {
  padding: 5px;
  font-size: 18px;
  line-height: 1.5;
  min-height: 54px;
}
.xpage-more-btn {
  width: 100px;
  margin-top: 10px;
  line-height: 36px;
  font-size: 16px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  border-radius: 5px;
}

/* 版权 */
.footer {
  margin-top: 20px;
  background: #117eff;
  color: #fff;
  padding: 27px 10px;
  font-size: 12px;
  text-align: center;
}

.list-txt li .img img{
  width:100%;
  height: 5rem;
}
}