@charset "utf-8";
/* CSS Document */
*{padding:0;margin:0;font-family:helvetica,arial,"华文细黑","微软雅黑",sans-serif;}
body{background-color:#eaeaea;}
img{border:0;display:block;}
.wrap{width:100%;margin-bottom: 4rem;}
.wrap img{
	display:block;
	max-width: 100%!important; height: auto!important;
	}

.nav{position:fixed; bottom:0; width:100%; border-top:1px solid #ccc;background-color:#dfdfdf;}
.nav a{display:block;float:left;width:25%;height:2rem;line-height:2rem;/* padding:8px 0; */text-decoration:none;color:#454545;}
.nav a:hover{background-color:#454545;color:#fff;}
.nav a span{display:block;font:1.5rem/40px;text-align:center;}