body{margin:0;padding:0;}
.mask{width:10em;height:20em;background-color:#fff;background:url(../images/1536-2048/main_bg.jpg);background-repeat:no-repeat; background-size:cover;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;overflow:hidden;}
.logo{margin:0 auto;padding:0;padding-top:12.21%;padding-bottom:24.41%;width:28.78%;height:15.72%;text-align:center;}
.logoImg{width:100%;height:100%;}
.item{margin:0 auto;padding:0;width:100%;height:100%;/*width:21.9375em;height:11em;*/}
ul{margin:0 auto;padding:0;width:81.38%;height:16.6%;list-style:none;}
li.ico{float:left;margin:0 auto;padding:0;/*padding-bottom:1em;*/width:16.41%;height:16.11%;}
li.division{float:left;margin:0 auto;padding:0;/*padding-bottom:1em;*/width:5.25%;height:16.11%;}
.icoImg{width:290%;height:300%;}
.icoImgNoneHyperlink{width:100%;height:191%;}
.btnLink{border:0px #fff solid;display:block;}