.banner-con{position: absolute;left:50%;transform: translate(-50%,0);overflow: hidden;width: 1920px;height: 855px}
.banner-con img{width: 100%;position: absolute;left: 0;top:0;z-index: 1;}
/*.banner-child{height: 914px;position: absolute;left: 0;top:0;z-index: 1}*/
/*.banner-btn-con{width: 200px;height: 50px;margin: 792px auto 0;z-index: 3;position: relative}*/
.banner-btn-con{position: absolute;left:50%;transform: translate(-50%,0);overflow: hidden;top: 792px}
.btn1 {width: 20px;height: 20px;background: #ffffff;-moz-border-radius: 10px;-webkit-border-radius: 10px;border-radius: 10px;margin: 0px 10px;float: left;cursor: pointer;z-index: 4}
.btn2 {width: 20px;height: 20px;background: #fa410f;-moz-border-radius: 10px;-webkit-border-radius: 10px;border-radius: 10px;margin: 0px 10px;float: left;cursor: pointer;z-index: 4}