.zyit a {margin: 1%;}
.zyit img{width:100%;}
.widbig{width: 56.5%;}
.widsma{width: 39.5%;}
.fleft {
    float: left;
}
.widsma {
    width: 39.5%;
}
.zyit a {
    margin: 1%;
}
#Bot-nav{ background: #006ec3; position: fixed; bottom: 0; width: 100%;max-width: 640px; padding: 5px 0; overflow: hidden;}
	#Bot-nav ul li{  width: 24%; border-right: 1px dashed #33a2f7; float:left;}
	#Bot-nav ul li:last-child{ border: none; width:25%}
	#Bot-nav ul li a{ display: block; color: #fff;}
	#Bot-nav ul li a .nav-img{ width: 40%; margin: 0 auto;}
	#Bot-nav ul li a .nav-img img{ width: 100%;}
	#Bot-nav ul li a p{ font-size: 12px; text-align: center;}
@media only screen and (max-width: 640px) {
    
   #bottom_nav ul li{padding:30px 0px 0px 0px;}
}