*{ padding:0px; margin:0}
body{ 
	color:#fff; 
}

.menu{ 
	height:80px;
	line-height: 80px;
	position:fixed;
	/*background:rgba(0,0,0,0.2);*/
	top:0px; 
	left:0; 
	z-index:998; 
	width:100%; 
}

.menu_center{
	width: 65%;
	height: 80px;
	margin: 0 auto;
}

.sitename{
	width: 40%;
	font-size: 26px;
	font-weight: 700;
	letter-spacing: 5px;
	color: #fff;
}

.menu li{
	height: 80px;
	line-height: 80px;
	list-style:none; 
	float:left; 
	display:inline-block; 
	font:16px/42px "Microsoft Yahei";
}
.menu li a{
	width: 150px;
	color:#fff; 
	text-decoration:none; 
	text-align:center; 
	display:block; 
	padding:0px 15px;
	height: 80px;
	line-height: 80px;
	font-size: 17px;
}

.section1{
	background: url(./bg1.png) no-repeat;
	background-size: s;
	width: 100%;
	height: 100%;
	
}
.section1_left{
	width: 100%;
	height: 100%;
}

.section1_left{
	margin-top: 250px;
}

@media screen and (min-width: 1366px) {
	.section1_left{
		margin-top: 80px;
	}
}

@media screen and (min-width: 1440px) {
	.section1_left{
		margin-top: 160px;
	}
}

@media screen and (min-width: 1920px) {
	.section1_left{
		margin-top: 300px;
	}
}

@media screen and (min-width: 1921px) {
	.section1_left{
		margin-top: 300px;
	}
}
.logo_img{
	text-align:center;
}
.logo_img img{

	max-width: 24%;
}

.desc_img{
	margin-top: 40px;
    margin-bottom: 60px;
	text-align: center;
}

.desc_img img{
	max-width: 74%;
	height: auto;
}

.download{
    width: 50%;
    text-align: center;
    margin: 0 auto;
    margin-top: 30px;
}


.download .ewm_area{
    width: 45%;
    height: auto;
}
.download{
    width: 50%;
    text-align: center;
    margin: 0 auto;
    margin-top: 30px;
}


.download .ewm_area{
    width: 45%;
    height: auto;
}




.download .ewm .ewm_img{
	width: 76%;
    padding: 2%;
    background: #fff;
	margin: 0 auto;
}
.download .ewm .ewm_img img{
	width: 100%;
	height: 100%;
}

.download .ewm_area{
    width: 45%;
    height: auto;
}

}
.download .ewm_area .ewm_img img{
	width: 70%;
	height: 70%;
}

.download .ewm_download{
    margin-bottom: 12%;
}

.ewm_download img{
	width: 90%;
    height: auto;
}



.section1_right{
	padding-top: 225px;
	text-align: left;
}

.section1_right img{
	width: 100%;
	height: auto;
}


.section2{
	background: url(./bg2.png) no-repeat;
	width: 100%;
	height: 100%;
}

.section2 .section2_left,.section2 .section2_right{
	width: 50%;
	height: 100%;
	color: #fff;
}

.section2 .section2_left{
	position: relative;
	left: 16%;
	
}

.section2 .section2_left .company_name{
	margin-top: 55%;
	width: 70%;
	height: 60px;
	font-weight: 500;
	font-size: 2.6rem;
	overflow: hidden;
}



.section2 .section2_left .company_desc{
	width: 70%;
	font-size: 1.6rem;
}

.section2 .section2_right{
	position: relative;
}

.section2 .section2_right img{
	width: 55%;
	height: auto;
	position: absolute;
	right: 30%;
	top: 12%;
}



.section2 .copyright{
	width: 100%;
    height: 30px;
    position: absolute;
    bottom: 0;
    left: 0;
    font-size: 1.6rem;
    text-align: center;
    color: #fff;
}

.section2 .copyright a{
	color: #FFF;
	text-decoration: none;
}




.section3{
	background: url(./bg2.png) no-repeat;
	width: 100%;
	height: 100%;
}

.section3 .section3_left,.section3 .section3_right{
	width: 50%;
	height: 100%;
	color: #fff;
}

.section3 .section3_left{
	position: relative;
	left: 16%;
	
}

.section3 .section3_left .company_name{
	margin-top: 55%;
	width: 70%;
	height: 60px;
	font-weight: 500;
	font-size: 2.6rem;
	overflow: hidden;
}



.section3 .section3_left .company_desc{
	width: 70%;
	font-size: 1.6rem;
}

.section3 .section3_right{
	position: relative;
}

.section3 .section3_right img{
	width: 55%;
	height: auto;
	position: absolute;
	right: 30%;
	top: 12%;
}



.section3 .copyright{
	width: 100%;
    height: 30px;
    position: absolute;
    bottom: 0;
    left: 0;
    font-size: 1.6rem;
    text-align: center;
    color: #fff;
}

.section3 .copyright a{
	color: #FFF;
	text-decoration: none;
}

.section_center{
	width: 65%;
	height: 100%;
	margin: 0 auto;
}

.fl{
	float: left;
}

.fr{
	float: right;
}
.clearboth{
	clear: both;
}