body {
	margin: 0;
	padding: 0;
	font-family: "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei UI", "Microsoft YaHei", SimHei, "\5B8B\4F53", simsun, sans-serif;
}

ul,
ol {
	list-style: outside none none;
	margin: 0;
	padding: 0;
	font-size: 0;
}
.tablist{
	display: none;
}
.showlist{
	display: block;
}
header{
	width: 100%;
	height: 150px;
	position: relative;
}
header>.head_bg{
	position: absolute;
	z-index: -1;
	width: 100%;
	height: 100%;
	margin: 0 auto;
}
header>.head_bg>img{
	width: 100%;
	height: 100%;
	max-width: 1920px;
}
header>.top{
	width: 100%;
	height: 35px;
	background: rgba(87, 130, 247, 0.05);
}
header>.top p{
	font-size: 12px;
	color: #666;
	line-height: 35px;
}
header .logo{
	max-height: 54px;
}
.menu{
	width: 100%;
	height: 55px;
	background-color: #5782F7;
}
.menu nav{
	width: 100%;
	height: 55px;
	font-size: 0;
}
.menu nav>a{
	height: 55px;
	padding: 0px 25px;
	font-size: 16px;
	color: #FFF;
	line-height: 55px;
	display: inline-block;
}
.menu nav>a.active,.menu nav>a:hover{
	background: #263CCB;
}
.register{
	position: relative;
	width: 240px;
	height: 300px;
	background: #F5F5F5;
	padding: 15px;
}
.register>.title{
	text-align: center;
	font-size: 16px;
	color: #5782F7;
	line-height: 20px;
	font-weight: bold;
}
.register>input{
	width: 100%;
	height: 40px;
	margin-top: 15px;
	background: #FFF;
	border: none;
	padding-left: 40px;
}
.register>img.user_icon{
	width: 20px;
	height: 20px;
	top: 60px;
	left: 25px;
}
.register>img.password_icon{
	width: 20px;
	height: 20px;
	top: 115px;
	left: 25px;
}
.register>img.code_icon{
	width: 20px;
	height: 20px;
	top: 170px;
	left: 25px;
}
.register>img.code_img{
	width: 87px;
	height: 40px;
	right: 15px;
	top: 160px;
}
.register>button{
	width: 100%;
	height: 40px;
	background: #5782F7;
	margin-top: 15px;
	border: none;
	font-size: 16px;
	color: #FFF;
	line-height: 40px;
}
.register>.register_btn{
	display: block;
	width: 100%;
	height: 30px;
	margin-top: 15px;
	background: #5782F7;
	text-align: center;
	line-height: 30px;
	font-size: 16px;
	color: #FFF;
}
.banner{
	width: 650px;
	height: 300px;
	border-radius: 10px;
	overflow: hidden;
}
.enterance{
	width: 270px;
	height: 300px;
}
.enterance>.item,.enterance>.item img{
	width: 100%;
	height: 140px;
}
.enterance>.item.item_h{
	width: 125px;
}
.enterance>.item>a{
	width: 100%;
	height: 100%;
	display: block;
}
.news{
	width: 100%;
	height: 100px;
	background: #F9FCFF;
	border-radius: 8px;
	overflow: hidden;
}
.news>.name{
	width: 100px;
	height: 100%;
	background: #5782F7;
	padding-top: 25px;
}
.news>.news_list{
	width: 1100px;
	height: 100%;
	padding: 20px;
	font-size: 0;
}
.news>.news_list>li{
	width: 48%;
	height: 20px;
	float: left;
	margin: 5px 0;
}
.news>.news_list>li:nth-child(2n){
	float: right;
}
.news>.news_list>li a{
	width: 100%;
	height: 100%;
	display: block;
}
.news>.news_list>li a .title{
	font-size: 14px;
	color: #333;
	line-height: 20px;
}
.news>.news_list>li a .time{
	font-size: 12px;
	color: #999;
	line-height: 20px;
}
.news>.news_list>li a:hover .title,.news>.news_list>li a:hover .time{
	color: #5782F7;
}
.news>.shu{
	position: absolute;
	width: 1px;
	height: 50px;
	left: 649px;
	top: 25px;
	background: #D8D8D8;
}
.node_part{
	width: 100%;
	height: 40px;
	border-bottom: 1px solid #E4E6E5;
}
.node_part>.shu{
	width: 6px;
	height: 26px;
	background: #5782F7;
}
.node_part>.name{
	font-size: 20px;
	font-weight: bold;
	color: #333;
	line-height: 26px;
}
.node_part>a.more{
	font-size: 14px;
	color: #5782F7;
	line-height: 26px;
}
.course_list{
	font-size: 0;
}
.course_list>li{
	width: 216px;
	height: 160px;
	margin: 30px 30px 0 0;
	display: inline-block;
}
.course_list>li:nth-child(5n){
	margin-right: 0;
}
.course_list>li>a{
	width: 100%;
	height: 100%;
	display: block;
}
.course_list>li>a .pic{
	width: 100%;
	height: 120px;
	overflow: hidden;
}
.course_list>li>a .pic>img{
	width: 100%;
	height: 100%;
	transition: all .3s;
}
.course_list>li>a .title{
	width: 100%;
	height: 20px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	font-size: 14px;
	color: #333;
	line-height: 20px;
}
.course_list>li>a:hover .pic>img{
	transform: scale(1.2);
}
.course_list>li>a:hover .title{
	color: #5782F7;
}
.propaganda{
	padding: 30px 0;
	background: #F7F9FF;
}
.news_part{
	width: 585px;
	min-height: 50px;
}
.news_part>.top{
	width: 100%;
	height: 50px;
	background: #F5F6F8;
	border-top: 4px solid #2789EE;
	padding: 0 20px;
}
.news_part>.top>.name{
	font-size: 20px;
	color: #333;
	line-height: 50px;
	font-weight: bold;
}
.news_part>.top>a .more{
	margin-top: 16px;
}

.news_part>.news_part_list>.item{
	width: 100%;
	height: 50px;
	padding: 15px 20px;
	border-bottom: 1px solid #eee;
	line-height: 20px;
}
.news_part>.news_part_list>.item:first-child{
	height: 95px;
}
.news_part>.news_part_list>.item>a{
	width: 100%;
	height: 100%;
	display: block;
	font-size: 14px;
	color: #333;
}
.news_part>.news_part_list>.item>a>.title{
	font-size: 16px;
	color: #333;
	font-weight: 700;
}
.news_part>.news_part_list>.item>a>.ms{
	font-size: 14px;
	color: #333;
}
.news_part>.news_part_list>.item>a>span{
	font-size: 12px;
	color: #999;
}
.news_part>.news_part_list>.item>a:hover,.news_part>.news_part_list>.item>a:hover .title,.news_part>.news_part_list>.item>a:hover>.ms,.news_part>.news_part_list>.item>a:hover>span{
	color: #2789EE;
}
.download_list{
	font-size: 0;
}
.download_list>.item{
	width: 175px;
	height: 220px;
	background: #F9FCFF;
	border-radius: 8px;
	border: 1px solid #F5F5F5;
	margin-right: 30px;
	display: inline-block;
	padding: 35px 20px 0;
}
.download_list>.item:nth-child(6n){
	margin-right: 0;
}
.friendlink_list{
	font-size: 0;
}
.friendlink_list>a{
	display: inline-block;
	font-size: 14px;
	color: #333;
	margin-right: 30px;
}
.foot{
	padding: 20px 0;
	background: #F5F5F5;
}
.foot>p,.foot>p a{
	font-size: 12px;
	color: #333;
	line-height: 20px;
	text-align: center;
}
.position-nav {
    line-height: 32px;
    color: #666;
    font-size: 16px;
    margin-top: 20px;
}

.position-nav a {
    color: #666;
    margin-bottom: ;
}

.col-head {
    margin-top: 10px;
    height: 45px;
    border-bottom: 1px solid #ccc;
}
.fl {
    float: left;
}

.col-h-tit {
    height: 38px;
    line-height: 36px;
    font-size: 20px;
    display: inline-block;
    color: #050505;
    padding: 3px 30px 5px 20px;
    border-left: 4px solid #317EE0;
}
.list-info li {
    background: url(../images/arrow.gif) no-repeat 0 20px;
    float: left;
    width: 100%;
}
.list-info-big li {
    line-height: 46px;
    border-bottom: 1px dashed #dcdcdc;
    background-position: 0 20px;
}

.list-info a {
    width: calc(100% - 100px);
    text-indent: 13px;
    display: inline-block;
    color: #333;
    float: left;
    font-size: 14px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.list-info span {
    display: inline-block;
    color: #999;
    float: right;
    font-size: 14px;
}


<!-- 危险化学品业 -->
.node_top{
	width: 100%;
	height: 40px;
        display: flex;
}
.node_top>img{
	max-height: 40px;
}
.node_top>.node_more{
	display: block;
	width: 69px;
	height: 19px;
	background: url(../images/MORE.png);
}
.course_fl{
	height: 100%;
}
.course_fl>li{
	display: inline-block;
	height: 100%;
	margin: 0 10px;
}
.course_fl>li>a{
	display: block;
	padding: 10px 15px;
	line-height: 20px;
	font-size: 14px;
	color: #2F374A;
}
.course_fl>li.active{
	background: #1658A0;
}

.course_fl>li.active>a{
	color: #FFF;
}

.node-title{
    width: 150px;
    height: 40px;
    line-height: 40px;
    font-size: 20px;
    font-weight: bold;
}