.exhibition_hall {text-align:center;position: relative;overflow:hidden;width: 100%;}
.roundabout_box img {width:100%;border-radius: 4px;}
/**********roundabout**********/
.roundabout_box {height:30rem;width:100%;margin:auto;}
.roundabout-holder{list-style:none;width:680px;height:auto;margin:0px auto;top: 49%;}
.roundabout-moveable-item{font-size:12px!important;height:auto;width:680px;cursor:pointer;}
.roundabout-moveable-item img{height:auto;width:100%;margin:0;}
.roundabout li{margin:0}
@media (max-width:992px){
    .roundabout_box {
        height: 400px;
    }
    .roundabout-holder{list-style:none;width:300px;margin:0px auto;}
    .roundabout-moveable-item{font-size:12px!important;width:350px;cursor:pointer;}
}
@media (max-width:768px){
    .exhibition_hall {padding-top: 3.5rem;}
    .roundabout_box {
        height: 258px;
    }
    .roundabout-holder{list-style:none;width:170px;margin:0px auto;}
    .roundabout-moveable-item{font-size:12px!important;width:220px;cursor:pointer;}
}
.roundabout_box .mask{
    display: none;
    border-radius: 4px;
}
.roundabout_box .roundabout-holder .roundabout-in-focus .mask{
    display: block;
    border-radius: 4px;
}
.roundabout-moveable-item {
    opacity: 1!important;
}
.pro-title{
   position: relative;
font-size: 20px;
width: auto;
height: auto;
/* background-color: aqua; */
font-weight: 700;
text-align: left;
color: var(--white);
line-height: 28px;
margin-top:-60px;
border-left: 2px solid var(--white);
margin-left: 30px;
padding-left: 20px;
}


.roundabout_box .pro-title{
    display: none;
}
.roundabout_box .roundabout-holder .roundabout-in-focus .pro-title{
    display: block;
}

.web-goodsBtn-prev:hover{
    cursor: pointer;
}
.web-goodsBtn-next:hover{
    cursor: pointer;
}


.web-goodsBtn-prev{
    position: absolute;
    top: 55%;
    left: 0;
    width: 50px;
    height: 50px;
    margin-top: -25px;
    z-index: 999;
}
.web-goodsBtn-next{
    position: absolute;
    top: 55%;
    right: 0;
    width: 50px;
    height: 50px;
    margin-top: -25px;
    z-index: 999;
}