.c_banner{
	height: 100vh;
	position: relative;
}
.c_banner ._banner{
	height: 100%;
	position: relative;
}
.c_banner .swiper-wrapper{
	height: 100%;
}
.c_banner .swiper-slide{
	display: flex;
	align-items: center;
	height: 100%;
	position: relative;
	overflow: hidden;
	pointer-events:none;
}
.c_banner ._background{
	background-size: cover;
	background-position: center 0;
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	z-index: 0;
}
.c_banner ._ad{
	color: #fff;
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: center;
	width: 100%;
	white-space:nowrap;
}
.c_banner ._ad ._subtitle{
	font-size: 55px;
	font-family: ikaros;
	letter-spacing: 4px;
	margin-bottom: 4px;
}
.c_banner ._ad ._title{
	font-size: 55px;
	font-weight: 600;
	letter-spacing: 10px;
	margin-bottom: 60px;
}
.c_banner ._nav{
	position: absolute;
	left: 0;
	right: 0;
	bottom: 2vh;
	z-index: 10;
	display: flex;
	align-items: flex-start;
	justify-content: center;
}
.c_banner ._nav a{
	font-size: 17px;
	color: #fff;
	text-align: center;
}
.c_banner ._nav a span{
	display: block;
	padding: 0 32px;
	line-height: 1;
	margin-bottom: 12px;
}
.c_banner ._nav ._vertical{
	height: 17px;
	width: 1;
	border-left: 1px solid rgba(255,255,255,.3);
}
.c_banner ._nav a i{
	display: block;
	width: 0;
	height: 1px;
	background-color: #fff;
	margin: 0 auto;
	transition: width .4s;
}
.c_banner ._nav a:hover i,.c_banner ._nav a._active i{
	width: 58%;
}
.c_marketing{
	padding: 3% 0 1%;
}
.c_marketing h2{
	display: block;
	font-size: 28px;
}
.c_marketing h2 span{
	display: block;
}
.c_marketing ul{
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
}
.c_marketing li{
	width: 30%;
	margin: 2.5% 0 2.5%;
}
.c_marketing li a{
	background-image: url(../../img/contact/marketing_marketing_1.png);
	background-size: cover;
	display: block;
	height: 100%;
	width: 100%;
	padding: 7% 8% 6%;
	transition: background-image 1s;
}
.c_marketing li._active a{
	background-image: url(../../img/contact/marketing_marketing_2.png);
}
.c_marketing li h3{
	color: #212121;
	font-size: 20px;
	margin-bottom: 15px;
	transition: color .6s;
}
.c_marketing li._active h3{
	color: #fff;
}
.c_marketing li p{
	color: #515151;
	font-size: 14px;
	line-height: 30px;
	transition: color .6s;
}
.c_marketing li._active p{
	color: #fff;
}
.c_department{
	background-color: #f7f7f7;
	padding: 3% 0 3%;
}
.c_department h2{
	display: block;
	font-size: 28px;
	margin-bottom: 1%;
}
.c_department h2 span{
	display: block;
}
.c_department ._ul{
	display: flex;
}
.c_department ._ul ._left{
	flex: 1;
}
.c_department ._ul ._right{
	height: 400px;
	width: 43%;
	margin-left: 5%;
}
.c_department ._nav{
	display: flex;
	justify-content: space-between;
	border-bottom: 1px solid #e5e5e5;
	margin-bottom: 4%;
}
.c_department ._nav li{
	
}
.c_department ._nav li._active{
	
}
.c_department ._nav li a{
	display: block;
	color: #8d8d8d;
}
.c_department ._nav li._active a{
	color: #000;
}
.c_department ._nav li a h3{
	line-height: 70px;
	transition: font-size .6s;
}
.c_department ._nav li._active a h3{
	font-size: 22px;
}
.c_department ._nav li:hover a h3{
	width: 100%;
}
.c_department ._nav li a span{
	display: block;
	height: 3px;
	background-color: #000;
	width: 0;
	transition: width .6s;
}
.c_department ._nav li._active a span{
	width: 100%;
}
.c_department ._nav li:hover a span{
	width: 100%;
}
.c_department ._info{
	
}
.c_department ._info li{
	display: none;
}
.c_department ._info li p{
	transform:translateX(20px);
	-webkit-transform:translateX(20px);
	transition: transform .3s;
}
.c_department ._info li._active{
	display: block;
}
.c_department ._info li._active p{
	transform:translateX(0);
	-webkit-transform:translateX(0);
}
.c_department ._info li p{
	margin-bottom: 2.5%;
}
.c_department ._map{
	width: 100%;
	height: 100%;
}
.anchorBL{display: none;}
/** 响应样式 **/
@media screen and (max-width: 1480px) {
	.c_department ._nav li a h3 {
	    font-size: 14px;
	}
	.c_department ._nav li._active a h3 {
	    font-size: 18px;
	}
}
@media screen and (max-width: 1300px) {
	.c_department ._nav li._active a h3 {
	    font-size: 16px;
	}
	.c_department ._ul ._right {
	    width: 43%;
	    margin-left: 2%;
	}
}
@media screen and (max-width: 1200px) {
	.c_department ._ul ._right {
	    width: 38%;
	    margin-left: 2%;
	}
}