.pic_wrapper{
    background:#27364b url("../images/quick-start-guide/bg-br.jpg") no-repeat center center;
    background-size: cover;
    padding-bottom: 0;
}
.center_head h1{
    color: #fff;
    font-size: 50px;
    font-size: 5.0rem;
    padding: 7% 0 4% 0;
}
.center_head p {
	font-size: 18px;
	font-size: 1.8rem;
	color: #FFFFFF;
	padding-bottom: 10%;
}
.explain{
    width:100%;
    height:400px;
    position: relative;

}
.explain  h1{
    height:140px;
    line-height: 140px;
    font-size:35px;
}
.content{
    border:1px solid #fff;
    height:160px;
    width:80%;
    position: absolute;
    left:27%;
    top:140px;
}
.content p{
    font-size: 16px;
    text-align: left;
    height: 30px;
    line-height: 30px;

}
.language_download{
    width:100%;
}
.button_one{margin:0 13%;}
.button_two{left:53%;}
.add-tab-show {
	width:322px;
    height:44px;
    display: inline-block;
    vertical-align: top;
    border: 1px solid #d2d7db;
    border-radius: 22px;
    text-align: center;
    line-height: 44px;
    font-size: 18px;
	background: #fff ;
	color: #21252a;
	cursor: pointer;
	transition: all 0.5s;
}
.add-tab-show:hover {
	border-color: #495b71;
	background-color: #495b71 ;
	color: #FFFFFF;
}
.add-tab-wrapper .color-show {
	border-color: #495b71;
	background-color: #495b71 ;
	color: #FFFFFF;
}
.details{margin-top: 6%}
.details h3{
    text-align: left;
    font-size: 20px\0;
    font-size: 2.0rem;
    color: #262626;
    font-family: "RobotoRegular";
    margin: 3% 0 1%;}
.matter{
    border-bottom:1px  #dbdbdb solid;
}
.matter.lastDiv{
    border:none;}
.matter>p{
    font-size: 14px;
    font-size: 1.4rem;
    text-align:left;
    line-height:1.875;
    color: #5b5b5b;
    font-family:Arial;
}
.matter>div>a {
    display: inline-block;
    width:200px;text-align: left;
    font-size: 14px;
    font-size: 1.4rem;
    color:#359eff;
    padding-right:4%;
    line-height:1.8;}
.matter>div>a:hover{
	text-decoration: underline;
	color: #359eff !important;
}
.matter>img{
    margin:3% auto;}
.matter.lastDiv img{margin-bottom: 0;}
.matter>div li{
    font-size:14px;
    line-height:2;
    position: relative;
    vertical-align: top;
}
.matter a{
    display: block;font-size: 16px;font-size: 1.6rem;
    color: #359EFF;text-align: left;}
.matter a:hover{text-decoration: underline;color: #359EFF !important;}
.matter div span{
    font-size:16px;font-size: 1.6rem;
    color: #5b5b5b;
}
.matter>div.inlineA>a{
    padding-right:0;
    display: inline;
    width:auto;}
.matter>div.floatList{
    overflow: hidden;
    padding-top:1.5%;}
.matter>div.floatList>p{
    font-size:16px;font-size: 1.6rem;
    color: #5b5b5b;
    float: left;
    width:14%;text-align: left;}
.matter>div.floatList ul{
    padding-left:14%;
    text-align: left;
    font-size:16px;
    font-size: 1.6rem;
    color: #5b5b5b;
    width:100%;}
.matter>div.floatList ul li{
    padding-left:10px;
    line-height:1.2;
    padding-top:1px;
    padding-bottom:1.2%;
    background: url("../images/icon/ic-serial-number-gray1.png")0 8px no-repeat;}
.center_foot{
    background-color: #e5ecf4;
}
.center_foot h1{
    font-size: 34px;
    color: #111;
}
.center_foot p{
    font-size: 14px;
    font-size: 1.4rem;
    color: #5b5b5b;
    margin: 3% 0;
}
.center_foot p.content_us{
    margin:3% 0 0 0;
    height:20px;}
.center_foot p a {
	color: #359EFF;
}
.link_address{
    width: 740px;
    height: 120px;
    margin: 0 auto;

    text-align: center;
}
.link_address div{
    width:246px;
    float: left;
}
.link_address a {
	color: #359EFF;
	font-size: 1.6rem;
}





.aomeileft{float:left}
.aomeiright{float:right}
.aomeiboth{clear:both}
.aomeiblock{display:block}
.aomeinone{display:none}
.textcenter{text-align:center}
.textleft{text-align:left}
.textright{text-align:right}
.aomei-hr{height: 0;width:100%;border-top: solid 1px #d9d9d9;}
.w980{width:100%;margin:0 auto}

.center_foot .row {
	width: 100%;
	margin: 0 auto;
	font-size: 0;
	word-spacing: -4px;	
}
.center_foot .row li {
    padding:3% 0;
    background-color: #fff;
	display: inline-block;
	width: 30%;
	vertical-align: top;
	word-spacing: normal;
	border: 1px #dbe4ee solid;
	text-align: center;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.center_foot .row li:hover{
    border-color:#cfd8e3;}
.center_foot .row li:nth-child(2) {
    margin:0 5%;
}
.center_foot .row li img {
	margin: 0 auto;
}
.center_foot .row li a {
	color: #359EFF;
	font-size: 1.6rem;
    line-height:2;
}
/*liukui 2017/04/13*/
@media (min-width: 1000px) {
    .center{
        padding:80px 0;}
    .banner_wrapper .center{
        padding: 0;}
    .language_download .center{
        padding:80px 0 60px;}
    .pic_wrapper{
        height:400px;}
}
@media (min-width:320px) and (max-width:767px){
    .center{
        padding:40px 0;}
    .banner_wrapper .center{
        padding: 0;}
    .add-tab-show {
    	display: block;
    	width: 90%;
    	margin: 10px auto;
    	font-size: 2.4rem;
    }
    .details {
    	margin-top: 40px;
    }
    .center_foot .row li {
    	height: 148px;
    }
    .center_foot p {
    	margin: 20px 0;
    }
    .at_web7_app>.center{
        padding:0;}
}
@media (min-width:768px) and (max-width:999px){
    .center{
        padding:60px 0;}
    .banner_wrapper .center{
        padding: 0;}
    .button_one{margin-left:7%;}
    .button_two{left:54%;}
}