@charset "utf-8";

body{min-width: 1200px;}





/*导航*/
/*nav*/

.nav_wrap{
	background-color:#072751 ;
}

.nav {
	height: 50px;
	line-height: 50px;
	position: relative;
	z-index: 9;
}


 .nav li {
	padding: 0 50px;
	float: left;
	transition: all 0.3s ease-in-out;
	-webkit-transition: all 0.3s ease-in-out;
	-moz-transition: all 0.3s ease-in-out;
	-ms-transition: all 0.3s ease-in-out;
	-o-transition: all 0.3s ease-in-out;
}


.nav li>a {
	font-size:16px;
	color: #fff;
	text-align: center;
	display: block;
	
}

.nav .v1 {
	display: block;
	height: 50px;
	line-height: 50px;
	font-size: 24px;
	text-align: center;
	color: #fff;
	position: relative
}

.nav .v1:hover .down {
	opacity: 1;
	visibility: visible;
	transition: opacity 0.5s ease;
	-webkit-transition: opacity 0.5s ease;
	-moz-transition: opacity 0.5s ease;
	-o-transition: opacity 0.5s ease;
}


.nav>li>a::before {
	content: "";
	background-color: #072751;
	position: absolute;
	bottom: 0px;
	width: 0px;
	height: 0px;
	left: 57%;
	-webkit-transition: all 0.2s ease-in-out;
	-moz-transition: all 0.2s ease-in-out;
	-ms-transition: all 0.2s ease-in-out;
	-o-transition: all 0.2s ease-in-out;
	transition: all 0.2s ease-in-out;
}


.nav>li.on>a::before {
	width: 100%;
	height: 3px;
	left: 0px;
}

.nav .down {
	position: absolute;
	width: 100%;
	min-width: 160px;
	z-index: 99;
	top: 100%;
	background: #ffffff;
	overflow: hidden;
	left: 50%;
	opacity: 0;
	visibility: hidden;
	/* margin-left:-70px; */
	transform: translate(-50%, 0);
	-webkit-transform: translate(-50%, 0);
	-moz-transform: translate(-50%, 0);
	-ms-transform: translate(-50%, 0);
	-o-transform: translate(-50%, 0);
}

.nav .down dl {
	position: relative;
}

.nav .down dd {
	margin-bottom: 0px;
	text-align: center;
	padding: 0px 10px;
	box-sizing: border-box;
}

.nav .down dd:hover {
	background: #072751;
}

.nav .down dd:hover a {
	color: #ffffff;
}

.nav .down dd a {
	font-size: 14px;
}

.nav .down .s1 {
	font-size:16px;
	color: #072751;
	/* font-weight: bold; */
	line-height: 1.5;
	display: block;
	padding-bottom: 8px;
	padding-top: 8px;
	position: relative
}



/* banner */
/**主页banner开始**/
.banner_wrap {
	position: relative;
}

.banner_wrap .picBtnTop .bd {
	position: relative;
	z-index: 0;
}

.picBtnTop .bd li {
	position: relative;
	zoom: 1;
	vertical-align: middle;
	list-style: none;
}

.picBtnTop .bd li .pic {
	position: relative;
	z-index: 0;
	overflow: hidden;

}

.picBtnTop .bd li .pic div {
	width: 100%;
	vertical-align: middle;
	height: 22vw;
}



.picBtnTop .hd {
	position: absolute;
	left: 50%;
	bottom: 30px;
	z-index: 2;
	transform: translate(-50%, 0);
	-webkit-transform: translate(-50%, 0);
	-moz-transform: translate(-50%, 0);
	-ms-transform: translate(-50%, 0);
	-o-transform: translate(-50%, 0);
	
}

.picBtnTop .hd ul li {
	width: 15px;
	float: left;
	height: 15px;
	margin: 0px 8px;
	list-style:none;
	color: transparent;
}

.picBtnTop .hd ul li img {
	width: 100%;
	height: 100%;
}

.banner_wrap .picBtnTop .hd ul li {
	background: #fff;
}

.picBtnTop .hd ul li.on {

	background: #ccc;
}

.picBtnTop .prev,
.picBtnTop .next {
	width: 80px;
	height: 60px;
	position: absolute;
	top: 38%;
	z-index: 2;
}






.roll-wrap:hover .control {
    display: block
}

.roll-wrap {
    position: relative;
    width: 97%;
    overflow: hidden;
    height: 170px;
	margin:0 15px;
	margin-bottom:20px;
	box-sizing:border-box;
}



.roll_row .roll__list::before,
.roll_row .roll__list::after {
    content: "";
    display: table;
    line-height: 0
}

.roll_row .roll__list::after {
    clear: both
}

.roll_row .roll__list {
    position: absolute;
    width: 9999px
}

.roll_row .roll__list li {
    float: left;
    display: block;
    margin-right: 20px;
    /* width: 100px; */
    /* height: 100px; */
    /* line-height: 100px; */
    font-weight: 700;
    /* font-size: 30px; */
    /* text-align: center; */
    /* color: #fff; */
    /* background-color: #f90; */
}
.roll_row .roll__list li img{height: 150px;border: 3px solid #CCC;}
.control {
    position: absolute;
    top: 30px;
    display: none;
    padding: 10px 5px;
    font-weight: 700;
    text-decoration: none;
    color: #fff;
    background-color: rgba(0, 0, 0, .3)
}

.control:hover {
    background-color: rgba(0, 0, 0, .5)
}

.control.pre {
    left: 5px
}

.control.next {
    right: 5px
}

.roll_col {
    width: 100%;
    height: 200px;
    overflow: hidden
}

.roll_col .roll__list {
    width: 100%
}

.h600 {
    height: 600px
}

.roll_col li {
    display: block;
   
    color: #fff;
}

.roll_col .li-2 {
    background-color: #09f
}

.roll_col .li-3 {
    background-color: #f09
}

.roll_col .li-4 {
    background-color: #0f9
}

.roll_col .control {
    top: 80px
}