body{
    background: #fff;
}
.first-banner{
    position: absolute;
    left: 120px;
    width: calc(1200px/100*80);
    z-index: 0;
    top: 0;
}
.first-banner a{
    width: 100%;
    display: block;
    height: 400px;
}
.nav-index{
    width: 20%;
    position: absolute;
    z-index: 1;
    height: 400px;
    overflow: hidden;
    border: 2px solid #d6efe3;
    box-sizing: border-box;
}
.nav-show1{
    background: #fff;
}
.nav-index a{
    display: flex;
    height: 50px;
    justify-content: space-between;
    align-items: center;
}
.nav-index a:hover{
    background: #d6efe3;
}
.nav-index a span{
    margin-left: 30px;
    color: #007d42;
    font-size: 17px;
}
.nav-index a p{
    font-size: 17px;
    margin-right: 30px;
    color: #007d42;
}
.top-adv a{
    height: 120px;
}
.top{
    position: relative;
    background: url(../img/top2.png)no-repeat;
    background-size: calc(100% - 15px) 33px;
    height: 50px;
    background-position-y: 10px;
    background-position-x: 15px;
}
.top div{
    display: flex;
}
.top div i{
    display: block;
    width: 200px;
    height: 50px;
    line-height: 35px;
    background: url(../img/topl.png)no-repeat;
    background-size: 200px 50px;
    text-align: center;
    font-size: 20px;
    color: #fff;
    font-weight: bold;
}
.top div span{
    display: block;
    height: 50px;
    line-height: 50px;
    margin-left: 10px;
    letter-spacing: 5px;
}
.top a{
    display: block;
    width: 30px;
    height: 25px;
    position: absolute;
    bottom: 0;
    right: 30px;
}
.art-banner a{
    display: block;
    height: 350px;
}
.art-banner-span{
    display: flex;
    position: absolute;
    z-index: 9;
    justify-content: flex-end;
}
.art-banner-span span{
    border: 1px solid #fff;
    opacity: 1;
}
.art-banner-span span.swiper-pagination-bullet-active{
    background: #fff;
}
.top2{
    display: block;
    height: 50px;
    line-height: 50px;
    display: flex;
}
.top2 p{
    font-size: 18px;
    color: #444444;
}
.top2 span{
    font-size: 16px;
    color: #8c8c8c;
    margin-left: 10px;
}
.art-fa-ul a{
    margin-top: 0;
}
.art-fa-ul a div{
    display: block;
    height: 150px;
    overflow: hidden;
}
.art-fa-ul a span{
    display: block;
    height: 50px;
    line-height: 25px;
    overflow: hidden;
    color: #3a3a3a;
}
.art-dev-ul{
    overflow: hidden;
}
.art-dev-ul .name{
    transition: all 0.5s;
    opacity: 0;
    height: 0;
}
.art-dev-ul .hk-a .name{
    opacity: 1;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.art-dev-ul .hk-a .name img{
    width: 24%;
    height: 90px;
}
.art-dev-ul .hk-a .name div{
    width: 74%;
}
.art-dev-ul .hk-a .name div p{
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 16px;
    color: #444444;
}
.art-dev-ul .hk-a .name div span{
    display: block;
    height: 50px;
    line-height: 25px;
    color: #444444;
    overflow: hidden;
}
.art-dev-ul .art-dev-ul-p{
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 16px;
    color: #444444;
}
.art-dev-ul .hk-a .art-dev-ul-p{
    display: none;
}
.xt{
    margin: calc((40px - 2px)/2) 0;
    position: relative;
    height: 2px;
    width: 95% !important;
    background: #77adfe;
}
.xt::after{
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    left: 0;
    background: #77adfe;
    border-radius: 8px;
    top: calc((100% - 8px)/2);
}
.art-pol-ul a{
    margin-top: 0;
    height: 160px;
    position: relative;
}
.art-pol-ul a span{
    display: block;
    height: 30px;
    line-height: 30px;
    position: absolute;
    bottom: 0;
    width: 100%;
    text-align: center;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-indent: 0.3em;
}
.art-adv a{
    width: calc((1200px - 20px)/3);
    height: 120px;
}
.sell-adv1 a{
    height: 570px;
}
.sell-img a{
    margin-top: 0;
    height: 250px;
    position: relative;
}
.sell-img a span{
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.6);
    width: 100%;
    bottom: 0;
    color: #fff;
    position: absolute;
    text-indent: 0.3em;
}
.mtop2{
    margin-top: 20px;
}
.sell-ul a{
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
}
.sell-adv2 a{
    margin-top: 10px;
    display: block;
    height: calc(290px/2);
}
.sell-adv2 a:nth-child(1){
    margin-top: 0;
}
.art-adv a{
    margin-top: 0;
}
.buy-adv1 a{
    height: 570px;
}
.buy-img a{
    height: calc((570px - 10px)/2);
}
.buy-img a:nth-child(-n+3){
    margin-top: 0;
}
.buy-img a div{
    height: calc(100% - 30px);
    overflow: hidden;
}
.buy-img a span{
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 16px;
}
.exh-img a img{
    height: 410px;
}
.exh-img a p{
    display: block;
    height: 40px;
    line-height: 40px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 17px;
}
.exh-img a span{
    display: block;
    height: 75px;
    line-height: 25px;
    overflow: hidden;
}
.exh-ul1 a{
    margin-top: 10px;
    display: flex;
    background: #f5f5f5;
    padding: 20px;
    justify-content: space-between;
}
.exh-ul1 a .exh-time{
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    width: 80px;
    padding-right: 20px;
}
.exh-ul1 a .exh-time p{
    text-align: center;
    display: block;
    height: 40px;
    line-height: 40px;
    width: 40px;
    font-size: 30px;
    color: #4e8ff9;
}
.exh-ul1 a .exh-time span{
    display: block;
    height: 25px;
    line-height: 25px;
    color:#4e8ff9;
}
.exh-ul1 a:nth-child(1){
    margin-top: 0;
}
.w55{
    width: 54%;
}
.exh-time{
    border-right: 1px solid #cfcfcf;
}
.exh-text{
    display: block;
    height: 65px;
    line-height: 65px;
    width: calc(100% - 120px);
    font-size: 18px;
    white-space: nowrap;
    overflow: hidden;
}
.exh-ul2 a{
    height: 35px;
    line-height: 35px;
}
.exh-ul2 a p{
    text-indent: 0;
}
.com-img a{
    border: 1px solid #77adfe;
    box-sizing: border-box;
    width: calc((1200px - 40px)/5);
    height: calc((1200px - 40px)/5);
}
.com-adv a{
    height: 120px;
    overflow: hidden;
    display: block;
}