/* *{margin:0;padding:0;list-style:none;}
a{text-decoration:none;}
div{box-sizing:border-box;}
*/
.item-img {
    position: absolute;
    /* width: 100%; */
    height: 100%;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}
.slider-wrap{position:relative;width:100%;height:490px;}
@media screen and (max-width:1200px){.slider-wrap{height:380px;}
}
/* @media screen and (max-width:1600px){.slider-wrap{height:370px;}
}
*/
@media screen and (max-width:750px){.slider-wrap{height:300px;}
}
@media screen and (max-width:400px){.slider-wrap{height:200px;}
}
/* @media screen and (min-width:768px) and (max-width:992px){.slider-wrap{height:400px;}
}
*/
/* @media screen and (max-width:768px){.slider-wrap{max-height:300px;}
}
*/
/* @media screen and (max-width:375px){.slider-wrap{max-height:200px;}
}
*/
.slider{height:100%;}
.slider .slider-list{position:relative;height:100%;}
.slider .slider-list .item{
    /*display:none*/
                               ;position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;}
.slider .slider-list .item.cur{display:block;}
.yuan{position:absolute;left:50%;bottom:40px;transform:translateX(-50%);-webkit-transform:translateX(-50%);-moz-transform:translateX(-50%);}
.yuan .yuan-item{display:block;position:relative;float:left;width:18px;height:18px;margin-right:1px;cursor:pointer;}
.yuan .yuan-item::after{content:"";display:block;position:absolute;top:4px;left:4px;width:10px;height:10px;border:2px solid rgba(255,255,255,.4);border-radius:50%;box-sizing:border-box;}
.yuan .yuan-item.cur::after{background:#fff;}
.yuan .yuan-item::before{content:"";display:block;width:18px;height:18px;background-color:rgba(255,255,255,0);border-radius:50%;}
.yuan .yuan-item.cur::before{background-color:rgba(255,255,255,.2);}
.btn-group{width:100%;}
.btn-group .btn-left,.btn-group .btn-right{position:absolute;width:50px;height:50px;line-height:50px;font-size:30px;text-align:center;color:#fff;background:rgba(255,255,255,.5);border-radius:50%;cursor:pointer;font-family:"宋体";}
.btn-group .btn-left{left:15px;top:50%;margin-top:-25px;}
.btn-group .btn-right{right:15px;top:50%;margin-top:-25px;}
@media screen and (max-width: 500px) {
    .slider-wrap {
        height: 210px;
    }
}