.slider{position:relative;height:640px;width:100%;margin-top:90px;overflow:hidden;text-align:center;}.slider .bd{z-index:0;position:relative;}.slider .bd ul{width:100% !important;}.slider .bd li{width:100% !important;height:640px;overflow:hidden;}.slider .bd li a{display:block;width:100%;height:400px;color:#fff;background:url(/images/sbg.png);overflow:hidden;padding-top:240px;}.slider .bd li span{display:block;text-transform:uppercase;padding-top:10px;}.slider .hd{display:none;}.slider a.prev,.slider a.next{position:absolute;top:43%;width:48px;height:82px;z-index:999;color:#fff;background:rgba(0,0,0,0.2);display:block;overflow:hidden;line-height:82px;border-radius:3px;}.slider a.prev{left:5px;padding-right:6px;}.slider a.next{right:5px;padding-left:6px;}.slider a:hover.prev,.slider a:hover.next{background:rgba(0,119,207,0.6);}.slider i{font-size:35px;}