html,body{
	padding: 0;
	margin: 0;
}
body{
	min-width: 1200px;
	/*-webkit-text-size-adjust: 100%;
	line-height: normal;    		
	s-webkit-overflow-scrolling: touch;	*/
	background: #fff;
}
img{
	display: block;
	border: none;
}
*{
	box-sizing: border-box;
	padding: 0;
	margin: 0;
}
a{
	color: #666666;
}
.row{
	width: 1200px;
	height: auto;
	position: relative;
	margin: 0 auto;
	overflow: hidden;
}
.h-box{
	float: right;
	margin: 30px 15px 0 0;
	color: #666666;
	font-size: 12px;
}
.h-box a{
	color: rgb(240,2,21);
}
.line{
	width: 1px;
	height: 10px;
	background-color: rgb(240,2,21);
	display: inline-block;
	margin: 0 10px;
}
.banner{
	width: 100%;
	height: 400px;
	background: url(../images/banner.png) no-repeat;
	background-size:cover;
	background-position: center center;
}
.center{
	width: 1200px;
	height: auto;
	margin: auto;
}
.portion1{
	width: 100%;
	height: auto;
}
.title_img{
	width: 1200px;
	height: 94px;
	margin-top: 50px;
}
.icon_box{
	width: 100%;
	height: auto;
    margin-top: 60px;
    padding: 0 60px;
    overflow: hidden;
}
.icon_box div{
	float: left;
}
.icon{
	width: 152px;
	height: 152px;
	display: block;
	border: none;
	transition: all 1s;
	-webkit-transition: all 1s;
	-moz-transition: all 1s;
	-o-transition: all 1s;
	-ms-transition: all 1s;
	border-radius: 50%;
	margin: auto;
	cursor: pointer;
}
.icon:hover{
	transform: rotate(360deg);
	-webkit-transform: rotate(360deg);
	-moz-transform: rotate(360deg);
	-o-transform: rotate(360deg);
	-ms-transform: rotate(360deg);
}
.icon_text{
	width: 100%;
	text-align: center;
	font-size: 26px;
	color: #333333;
	line-height: 26px;
	margin-top: 15px;
}
.portion2{
	width: 100%;
	height: auto;
}
.img_box{
	width: 100%;
	height: auto;
    margin-top: 50px;
    overflow: hidden;
}
.img_box div{
	border-radius: 15px;
	cursor: pointer;
	position: relative;
	overflow: hidden;
}
.pro1,.pro2,.pro3{
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	top: 0;
	transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	-o-transition: all 0.5s;
	-ms-transition: all 0.5s;
}
.img1{
	width: 590px;
	height: 316px;
}
.img2{
	width: 590px;
	height: 316px;
}
.img3{
	width: 1200px;
	height: 343px;
	margin-top: 18px;
}
.text1_1{
	width: 294px;
	position: absolute;
	left: 50%;
	margin-left: -147px;
	top: 140px;
    transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	-o-transition: all 0.5s;
	-ms-transition: all 0.5s;
}
.text2_1{
	width: 414px;
	position: absolute;
	left: 50%;
	margin-left: -212px;
	top: 140px;
    transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	-o-transition: all 0.5s;
	-ms-transition: all 0.5s;
}
.text3_1{
	width: 412px;
	position: absolute;
	left: 50%;
	margin-left: -206px;
	top: 154px;
    transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	-o-transition: all 0.5s;
	-ms-transition: all 0.5s;
}

.text1_2{
	width: 560px;
	position: absolute;
	left: 50%;
	margin-left: -280px;
	top: 400px;
transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	-o-transition: all 0.5s;
	-ms-transition: all 0.5s;
}

.text2_2{
	width: 560px;
	position: absolute;
	left: 50%;
	margin-left: -280px;
	top: 400px;
transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	-o-transition: all 0.5s;
	-ms-transition: all 0.5s;
}
.text3_2{
	width: 1170px;
	position: absolute;
	left: 50%;
	margin-left: -585px;
	top: 400px;
	transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	-o-transition: all 0.5s;
	-ms-transition: all 0.5s;
}


.img1:hover .text1_2{
	top: 200px;
}
.img1:hover .text1_1{
	top: 120px;
}
.img1:hover .pro1{
     transform: scale(1.1);
     -webkit-transform: scale(1.1);
     -moz-transform: scale(1.1);
     -o-transform: scale(1.1);
     -ms-transform: scale(1.1);
}


.img2:hover .text2_2{
	top: 200px;
}
.img2:hover .text2_1{
	top: 120px;
}
.img2:hover .pro2{
     transform: scale(1.1);
     -webkit-transform: scale(1.1);
     -moz-transform: scale(1.1);
     -o-transform: scale(1.1);
     -ms-transform: scale(1.1);
}
.img3:hover .text3_2{
	top: 90px;
}
.img3:hover .text3_1{
	top: 15px;
}
.img3:hover .pro3{
     transform: scale(1.1);
     -webkit-transform: scale(1.1);
     -moz-transform: scale(1.1);
     -o-transform: scale(1.1);
     -ms-transform: scale(1.1);
}
.portion3{
	width: 100%;
	height: auto;
	margin-top: 50px;
}

.optimization{
	width: 100%;
  	height: 942px;
  	background: url(../images/img1.png) no-repeat;
  	background-size: 100% 100%;
  	position: relative;
}
.t{
	width: 1200px;
	height: 44px;
	position: relative;
	margin-top: 20px;
	margin-bottom: 30px;
}
.t1{
	background: url(../images/t1.jpg) no-repeat;
	background-size: 100% 100%;
}
.t2{
	background: url(../images/t2.jpg) no-repeat;
	background-size: 100% 100%;
}
.t3{
	background: url(../images/t3.jpg) no-repeat;
	background-size: 100% 100%;
}
.contents{
	width: 100%;
	height: auto;
}
.box{
	width: 100%;
	height: auto;
	overflow:hidden;
}
.box a{
	width: 366px;
	height: 167px;
	border-radius: 14px;
	margin-bottom: 30px;
	display: block;
	float: left;
	margin-left: 50px;
}
.list_img{
    width: 100%;
    height: 100%;
	border-radius: 14px;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	-o-transition: all 0.5s;
	-ms-transition: all 0.5s;
}
.list_img:hover{
	transform: scale(0.95);
	-webkit-transform: scale(0.95);
	-moz-transform: scale(0.95);
	-o-transform: scale(0.95);
	-ms-transform: scale(0.95);
	transform: scale(0.98);
	box-shadow: 0 0 10px 2px rgba(0,0,0,0.3);
}
.contents{
	display: none;
}
.open{
	width: 60px;
	height: 18px;
	position: absolute;
	right: 10px;
	top: 50%;
	margin-top: -9px;
	cursor: pointer;
}
.up{
    display: none;
}
.tips{
	width: 100%;
	height: 18px;
	display: block;
	margin-top: 60px;
	margin-bottom: 22px;
}
.text_box{
	font-size: 16px;
	line-height: 22px;
	color: #666;
}
.i{
	width: 62px;
	height: 62px;
	position: absolute;
	left: -74px;
	top: -20px;
}
.div1{
	width: 704px;
	height: auto;
	position: absolute;
	right: 0;
	top: 100px;
}
.div_title{
	font-size: 26px;
	color: #333333;
	line-height: 26px;
}
.div_content{
	font-size: 18px;
	color: #333;
	line-height: 30px;
	margin-top:10px;
	letter-spacing: 2px;
	
}
.div_content font{
	color: #cd0b14;
}

.div2{
	width: 690px;
	height: auto;
	position: absolute;
	left: 108px;
	top: 360px;
}
.div3{
	width: 620px;
	height: auto;
	position: absolute;
	right: 0;
	top: 627px;
}