.banner4{height:795px;}
.videobox{width:880px;height: 500px;position: absolute;bottom:40px;background: #675d5b;margin: auto; left:0;right:0;padding:15px;}

.videobox video{width:880px;height: 500px;}
.flowplayer{width:100%;height: 100%;position: absolute;top:0;left:0;background: url(../img/join/videozz.png) center center no-repeat;background-size: cover;cursor:pointer;overflow:hidden;}
.banner_img1{width:100%;display: none}
.lb_all{width:100%;}
.lb_all img{width:100%;}
.br {width:100%;}
.br ul{width:600%;position: relative;}
.br ul li{width:24.5%;,margin-right: 0.5%;float: left}
.video_bg{width: 880px;
    height: 500px;position: absolute;left:0;bottom:0;}
.video_lg{position: relative;overflow:hidden;}

.boxdgll{display: none}

@media screen and (max-width:900px) {
	.banner4{height: auto;padding-bottom: 150px;}
	.videobox{width:96%;height: auto;position: relative;bottom:0px;top: 100px;padding:15px 2%;}
	.videobox video{width:100%;height: auto;}
	.videobox .video_bg{width:100%;height: 100%;}
}
@media screen and (min-width:640px) {
/*	.lb_ullist{background: #bf9f50	}*/
.lb_all{width:100%;position: relative;height: 6.667rem}
.lb_all .lb_allimg{width:100%;position: absolute;height: 6.667rem;top:0;left:0;display: none}
.lb_all .lb_allimg.lb_allimg1{display: block}
.lb_all .lb_allimg img{width:100%;height: 6.667rem;}
.lb_all .lb_allimg p{width:80%;height: 20px;font-size: 18px;color:#fff;position: absolute;bottom:2.5%;left:0;right: 0;margin:auto ;line-height: 20px;overflow: hidden;text-align: center}

		
	.lb_ul{width:100%;height:1.9166666rem;padding:8px 0;background: #bf9f50}
.lb_ullist ul{width:100%;position: relative}
	.lb_ullist ul li{width:25%;height:1.9166666rem;float:left;}
		.lb_ullist ul li a{padding-right:1%;display: block}
		.lb_ullist ul li img{width:100%;height:1.9166666rem;}
.lb_allss .next{display:block;height: 66px;width:24px;background: url(../img/right.png) center center no-repeat;
	right:  2%;z-index: 100;position:absolute;top:0;bottom:0;margin:auto;}
.lb_allss .prev{display:block;height: 66px;width:24px;background: url(../img/left.png) center center no-repeat;left: 2%;
	z-index: 100;position:absolute;top:0;bottom:0;margin:auto;}
.lb_allss{position: relative;}
}
@media screen and (max-width:640px) {
	.banner4{background: #fff;padding:0;}
	.banner_img1{width:100%;display: block}
	.videobox{width:10rem;height: 5.6rem;padding:0.2rem;position: absolute;bottom:3.5rem;overflow:hidden;}
	.video_lg{position: relative;height: 5.6rem;}
	.lb_allss{display: none}
	.lb_allimg p{line-height: 1rem;font-size: 0.6rem;width:93.75%;margin:0 auto;padding:15px 0;color:#575757; }
	.boxdgll{display: block;}
}