.whatBox .common-title {text-align: center;}
.whatBox .exhiblist {margin-top: 20px;}
.whatBox .exhiblist .item {display: flex;border-bottom: 1px #666 dashed;margin-bottom: 15px;}
.whatBox .exhiblist .item > div {margin-right: 10px;}
.whatBox .exhiblist .title {width: 40%;}
.whatBox .exhiblist .address {width: 35%;}
.whatBox .exhiblist .booth {width: calc(25% - 30px);text-align: center;}
.exhibtitle>div{font-weight:bold;font-size:20px}
.whatBox .common-title{font-size:24px;font-weight:bold}
@media (max-width:400px) {
.whatBox .exhiblist .item{flex-wrap: wrap;}
.whatBox .exhiblist .item > div {width: 100%;margin-bottom: 5px;}
.whatBox .exhiblist .title,.whatBox .exhiblist .address{border-bottom: 1px #eee dashed;}}
.whatBox .common-title{font-size: 30px; }