*{margin:0;padding:0;}
body{
	font-family:Microsrft YaHei;
	color:#333;
	font-size:0.3rem;
}
a,a:hover{text-decoration: none;}

/*banner 样式代码*/
.banner {
/* 	height:3.75rem;
	background-image: url(../images/pr-nav-back.png);
	background-size: 100% 100%;
	padding-top: 1.5rem;
	box-sizing: border-box;
	color:white; */
}
.banner img{
	width:100%;
	display:block;
}
.banner .banner_content {
	width:1.3rem;height:1.6rem;
	margin:0 auto;
	font-size:.28rem;
	text-align: center;
}
.banner .banner_content>div {
	width:.4rem;height:.6rem;
	border:solid 1px white;
	border-radius:40%;
	margin:.15rem auto 0;
	position:relative;
}
.banner .banner_content>div .sj {
	width: 0;
	height: 0;
	border-width: .08rem;
	border-style: solid;
	border-color: white transparent transparent transparent;
	position: absolute;
	left: 0;right:0;top:0;bottom:0;
	margin:auto;
}

/*nav  样式代码*/
.nav {
	height:0.85rem;
	border-bottom:solid 0.01rem #999;
	margin-bottom: .6rem;
	font-size:.28rem;
}
.nav ul {
	list-style-type: none;
}
.nav ul  li {
	width:25%;
	float:left;
	text-align: center;
	line-height:.85rem;
}
.nav ul  li  a {
	color:#333;
	padding-bottom:.22rem;
	font-weight:bold;
}
.active {	
	border-bottom:solid 2px #333;
}

/*item 样式代码*/
.item {
	width:6.7rem;height:auto;
	margin:0 auto;
	margin-bottom:.2rem;
	border-bottom: solid 1px #ded;
	overflow:hidden;
	padding-bottom:.1rem;
}
.item .video_wraper {
	position: relative;
	height:3.3rem;
}
.item .video_wraper .play_info {
	width:100%;height:inherit;
	position: absolute;
	top:0;bottom: 0;left: 0;right: 0;
	margin:auto;
	color:white;
	text-align: center;
	background-color: rgba(0,0,0,0.4);
}
.item .video_wraper .play_info .play {
	width:.65rem;height:.65rem;
	background-image: url(../images/play.png);
	background-size: 100% 100%;
	border-radius: 50%;
	margin:1rem auto 0;
	z-index: 500;
}

.item .video_wraper .play_info>p:first-of-type {
	font-size:.16rem;
	margin:.2rem 0 .05rem;
}

.item video {
	width:100%;
}
/*video::-webkit-media-controls {
    display:none !important;
}*/
.item .item_message {
	width:5rem;height:auto;
	padding:0 0 0 .25rem;
	float:left;
	font-size:.2rem;
	margin-top:.2rem;
	box-sizing: border-box;
	font-size:.2rem;
	line-height: 0.4rem;
}
.item .advisory {
	width:1.1rem;height:0.4rem;
	border:solid 1px #01cced;
	color:#01cced;
	border-radius:.05rem;
	float:left;
	margin-top:.16rem;
	font-size:.2rem;
	text-align: center;
	line-height: .4rem;
}
/*copyright  样式代码*/
.copyright {
	height:.8rem;
	text-align: center;
	font-size:.16rem;
	border-top:solid 1px #f2f2f2;
	color:#999;	
	padding-top:.2rem;
}