.wap_video_nav ul{width:90%;margin: 0 auto;padding-top: 0.4em;}
.wap_video_nav ul li{float: left;width: 25%; text-align: left;}
.wap_video_nav ul li a{color:#bfbfbf;font-size:0.8em;}
.bd2{display:none;}

@media all and (max-width:480px) {
.wap_video_nav ul li{width:15%;padding-right:3%;}
.wap_video_nav ul li a{font-size:0.9em;}
.vis{width: 180px;}
.bd1{display:none;}
.bd2{display:none;}
.wap_video_nav ul li.bd5{padding-right:0;width:10%;}
.wbd{display:none;}
.tits h1{bottom: 40px;}
.tits p{bottom: 30px;}
.slider-focus .hd{bottom: 22px;}
.bottom p{padding-bottom: 4px;}
.bottom_con{padding:18px 0px 12px;}
}

@media all and (min-width:375px) and (max-width:414px) {
.wap_video_nav ul li{width: 20%;padding-right:0;}
.bd1{display:none;}
.bd2{display: inline-block;}
.bd4{display:none;}
.bd5{display:none;}
.wbd{display:none;}
.tits h1{bottom: 22px;}
.tits p{bottom:18px;}
.slider-focus .hd{bottom: 2%;}
}

@media all and (min-width:320px) and (max-width:365px) {
.wap_video_nav ul li{width: 25%;padding-right:0;}
.bd1{display:inline-block;}
.bd2{display:none; }
.bd3{display:none;}
.bd4{display:none;}
.bd5{display:none;}
.wbd{display:block;}
.tits h1{bottom: 22px;}
.tits p{bottom:18px;}
.slider-focus .hd{bottom: 2%;}
}