.ns-nav a img{
    width: 60px;
    height: 60px;
    padding: 0;
}
.ns-nav a span{
    display: block;
    height: 30px;
    line-height: 30px;
}
.top{
    position: relative;
    height: 35px;
    background: url(../img/topbg.png)no-repeat;
    background-size: 95% 25px;
    background-position-x: calc(94vw/100*5);
    background-position-y: 5px;
}
.top div{
    display: flex;
}
.top div span{
    text-align: center;
    display: block;
    width: 100px;
    height: 35px;
    line-height: 28px;
    background: url(../img/topl.png)no-repeat;
    background-size: 100% 100%;
    font-size: 16px;
    color: #fff;
    font-style: italic;
    font-weight: bold;
}
.top div p{
    margin-left: 5px;
    display: block;
    height: 35px;
    line-height: 35px;
}
.top a{
    position: absolute;
    width: 20px;
    height: 15px;
    right: 10px;
    top: 25px;
}
.art-img a img{
    height: 100px;
}
.art-img a span{
    display: block;
    height: 50px;
    line-height: 25px;
    overflow: hidden;
}
.xt1{
    position: relative;
    height: 2px;
    background: #77adfe;
}
.xt1::after{
    position: absolute;
    width: 8px;
    height: 8px;
    left: 0;
    top: -3px;
    background: #77adfe;
    content: '';
    border-radius: 8px;
}
.top2{
    margin-top: 20px;
    display: flex;
}
.top2 p{
    display: block;
    font-size: 16px;
    font-weight: bold;
    color: #444444;
    height: 30px;
    line-height: 30px;
}
.top2 span{
    margin-left: 5px;
    display: block;
    font-size: 16px;
    color: #9e9e9e;
    height: 30px;
    line-height: 30px;
}
.art-dev-img a{
    display: flex;
    justify-content: space-between;
}
.art-dev-img a img{
    width: 29%;
    height: 80px;
}
.art-dev-img a div{
    width: 69%;
}
.art-dev-img a p{
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 16px;
}
.art-dev-img a span{
    display: block;
    height: 50px;
    line-height: 25px;
    overflow: hidden;
}
.art-dev-ul a{
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    color: #444444;
}
.sell-img a{
    display: block;
    height: 180px;
    position: relative;
}
.sell-img a img{
    width: 100%;
    height: 100%;
}
.sell-img a span{
    position: absolute;
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    text-indent: 0.3em;
    width: 100%;
    color: #fff;
    background: rgba(0, 0, 0, 0.8);
    bottom: 0;
}
.sell-ul{
    margin-top: 0;
}
.sell-ul a{
    display: block;
    height: 30px;
    line-height: 30px;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    color: #444444;
}
.buy-img a img{
    display: block;
    height: 180px;
}
.buy-img a span{
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    color: #343434;
}
.exh-img a img{
    height: 180px;
}
.exh-img a p{
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 16px;
    color: #2d2d2d;
}
.exh-img a span{
    display: block;
    height: 50px;
    line-height: 25px;
    overflow: hidden;
    color: #444444;
}
.exh-ul a p{
    text-indent: 0;
}
.com-img a{
    width: 30vw;
    height: 30vw;
    border: 1px solid #77adfe;
    box-sizing: border-box;
}
.com-img a img{
    height: 100%;
}
.com-adv{
    margin-top: 0;
}
.com-adv a{
    height: 60px;
}