.control-box {
	width: 1920px;
	height: 280px;
	margin-left: auto;
	margin-right: auto;
	margin-bottom: 80px;
}

.control-box ul {
	list-style: none;
	position: relative;
}

.control-box ul li {
	position: absolute;
	top: 50px;
	cursor: pointer;
}

.prev {
	left: 0;
}

.next {
	right: 0;
}

.bigbox {
	overflow: hidden;
	width: 1920px;
	height: 280px;
}

#switcher {
	height: 280px;
	left: 0px;
}

.content_1.content_2 {
	width: 100%;
	float: left;
}

.box {
	transition: all .7s ease 0s;
	width: 300px;
	float: left;
	border-left: 3px white solid;
}

.box:hover {
	opacity: 0.5;
}

.tit {
	font-size: 46px;
	line-height: 54px;
	font-weight: 700;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	text-align: center;
	margin-top: 84px;
	margin-bottom: 50px;
	color: #333;
}

.tit span {
	font-size: 30px;
	line-height: 54px;
	font-weight: 100;
	position: relative;
	top: -6px;
	color: #333;
}

.choos {
	width: 1920px;
	overflow: hidden;
	position: relative;
	height: 770px;
}

.choos ul {
	width: 1200px;
	margin: 52px auto 0;
	position: relative;
}

.choos ul li {
	width: 370px;
	height: 240px;
	overflow: hidden;
	float: left;
	margin-bottom: 40px;
	margin-right: 45px;
	position: relative;
	-webkit-transition: 1.2s
}

.choos ul li:nth-child(3) {
	margin-right: 0;
}

.choos ul li:nth-child(4) {
	margin-left: 196px;
}

.choos ul li .tu {
	position: relative;
	width: 50px;
	height: 50px;
	display: block;
	margin: 0 auto;
	overflow: hidden;
}

.choos ul li .cname {
	font-size: 22px;
	line-height: 24px;
	font-weight: 700;
	color: #FFFFFF;
	margin-top: 20px;
	text-align: center;
	position: relative;
	font: arial;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: normal;
}

.choos ul li .dian {
	width: 55px;
	height: 5px;
	margin: 12px auto 0;
	display: block;
}

.choos ul li .desc {
	font-size: 16px;
	line-height: 26px;
	font-weight: 400;
	color: #fff;
	margin-top: 8px;
	text-align: center;
	position: relative;
	font-family: arial;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	word-wrap: break-word;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
}

.choos ul li:hover .tu {
	transform: rotateY(1turn);
	-ms-transform: rotateY(1turn);
	-moz-transform: rotateY(1turn);
	-webkit-transform: rotateY(1turn);
	-o-transform: rotateY(1turn);
	transition: 1.2s;
	-moz-transition: 1.2s;
	-webkit-transition: 1.2s;
	-o-transition: 1.2s
}
.honor {
	width: 1920px;
	overflow: hidden;
	position: relative;
	height: 632px;
}
.honor .a1{
	width: 1200px;
	height: 392px;
	margin: 42px auto 0;
	position: relative;
}
.honor .a1 li:first-child{
	width: 233px;
	height: 328px;
	position: absolute;
	left: 0;
	bottom: 31px;
}
.honor .a1 li:first-child .tu{
	width: 233px;
	height: 328px;
}
.honor .a1 li .tu1{
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	top: 0;
	transition: 1s;
	-webkit-transition: 1s;
}
.honor .a1 li:nth-child(2){
	width: 250px;
	height: 350px;
	position: absolute;
	left: 300px;
	bottom: 21px;
}
.honor .a1 li:nth-child(2) .tu{
	width: 250px;
	height: 350px;
}
.honor .a1 li:nth-child(3){
	width: 250px;
	height: 350px;
	position: absolute;
	right: 300px;
	bottom: 21px;
}
.honor .a1 li:nth-child(3) .tu{
	width: 250px;
	height: 350px;
}
.honor .a1 li:nth-child(4){
	width: 233px;
	height: 328px;
	position: absolute;
	right: 0;
	bottom: 31px;
}
.honor .a1 li:nth-child(4) .tu{
	width: 233px;
	height: 328px;
}
.honor .a1 li:hover .tu1{
	animation-name: big;
    -webkit-animation-name: big;
    -webkit-animation-duration: .7s;
    animation-duration: .7s;
}