.index-nav{
    width: 20%;
    background: #ff896e;
}
.index-nav a{
    height: calc(465px/7);
    line-height: calc(465px/7);
    text-align: center;
    color: #fff;
    font-size: 16px;
}
.first-banner{
    width: 79%;
    margin: 0;
    height: 465px;
}
.first-banner a{
    display: block;
    height: 100%;
}
.demo{
    height: 465px;
}
.top-adv1 a{
    height: 120px;
}
.top-adv2 a{
    height: 120px;
}
.top{
    margin-top: 30px;
}
.top .dn{
    display: flex;
    justify-content: center;
    position: relative;
}
.top .dn::after{
    content: '';
    position: absolute;
    width: calc((100% - 30px*6)/2);
    height: 40px;
    background: url(../img/top.png)no-repeat;
    background-size: 100% 100%;
    left: 0;
    top: 0;
}
.top .dn::before{
    content: '';
    position: absolute;
    width: calc((100% - 30px*6)/2);
    height: 40px;
    background: url(../img/top.png)no-repeat;
    background-size: 100% 100%;
    transform: rotateY(180deg);
    right: 0;
    top: 0;
}
.top .dn i{
    display: block;
    text-align: center;
    width: 6em;
    font-size: 30px;
    font-weight: bold;
    height: 40px;
    line-height: 40px;
}
.top .i1{
    display: block;
    text-align: center;
    font-size: 16px;
    height: 25px;
    line-height: 25px;
    letter-spacing:0.4em;
    font-weight: bold;
}
.new-a-img{
    width: 100%;
    height: 270px;
}
.new-a-img a{
    display: block;
    height: 100%;
    width: 100%;
    position: relative;
}
.new-a-img a span{
    position: absolute;
    height: 30px;
    line-height: 30px;
    bottom: 0;
    left: 0;
    color: #fff;
    background: rgba(0, 0, 0, 0.6);
    text-indent: 0.3em;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
}
.new-banner{
    height: 300px;
}
.new-a-span{
    bottom: 0!important;
}
.new-a-span span{
    background: #fff;
    border: 2px solid #d0d0d0;
    box-sizing: border-box;
    opacity: 1;
}
.new-a-span span.swiper-pagination-bullet-active{
    background: #ff896e;
    border: none;
    width: 30px;
    border-radius: 15px;
}
.new-adv1{
    margin-top: 10px;
    height: 120px;
}
.top2{
    position: relative;
    height: 15px;
    width: 100%;
    border-bottom: 1px solid #a3a3a3;
}
.top2 span{
    position: absolute;
    background: #ff896e;
    width: 5em;
    text-align: center;
    font-size: 15px;
    height: 30px;
    line-height: 30px;
    left: 0;
    top: 0;
    color: #fff;
}
.top2 a{
    font-size: 14px;
    height: 15px;
    line-height: 15px;
    width: 3em;
    text-align: right;
    color: #a3a3a3;
    margin-left: calc(100% - 3em);
}
.new-ul1{
    margin-top: 20px;
    border-bottom: 1px solid #e5e5e5;
    box-sizing: border-box;
}
.new-ul1 a p{
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 16px;
    color: #353535;
}
.new-ul1 a span{
    display: block;
    margin: 10px 0;
    font-size: 15px;
    color: #747474;
    height: 50px;
    line-height: 25px;
    overflow: hidden;
}
.new-ul2{
    margin-top: 13px;
}
.new-ul2 a{
    position: relative;
    display: block;
    height: 30px;
    line-height: 30px;
    text-indent: 30px;
    font-size: 15px;
    color: #343434;
    white-space: nowrap;
    overflow: hidden;
}
.new-ul2 a::after{
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    left: 0;
    top: calc((100% - 15px)/2);
    background: url(../img/yd.png)no-repeat;
    background-size: 100% 100%;
}
.new-hk{
    display: flex;
}
.new-hk span{
    width: 50%;
    height: 60px;
    line-height: 60px;
    background: #f4eaea;
    text-align: center;
    font-size: 20px;
}
.new-hk span.hk-a{
    background: #ff896e;
    color: #fff;
}
.new-ul3{
    height: calc(430px - 60px);
    border: 4px solid #ff896e;
    box-sizing: border-box;
}
.new-ul3 a{
    display: none;
}
.new-ul3 a{
    width: calc(100% - 20px);
    padding: 10px;
}
.new-ul3 a img{
    border-radius: 10px;
    overflow: hidden;
    height: 190px;
}
.new-ul3 a p{
    height: 40px;
    line-height: 40px;
    text-align: center;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    font-size: 18px;
    color: #353535;
    font-weight: bold;
}
.new-ul3 a span{
    height: calc(430px - 60px - 8px - 190px - 40px - 20px);
    line-height: calc((430px - 60px - 8px - 190px - 40px - 20px)/5);
    color: #585858;
    font-size: 15px;
    overflow: hidden;
}
.new-adv a{
    margin-top: 20px;
    height: 120px;
}
.top3{
    display: block;
    height: 30px;
    line-height: 30px;
    text-indent: 10px;
    font-size: 18px;
    color: #000;
    position: relative;
}
.top3::after{
    content: '';
    position: absolute;
    width: 2px;
    height: 18px;
    left: 0;
    top: calc((100% - 18px)/2);
    background: #ff896e;
}
.sell-img a{
    height: 160px;
    position: relative;
    border-radius: 10px;
}
.sell-img div{
    height: 160px;
    overflow: hidden;
}
.sell-img span{
    width: 100%;
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    text-indent: 0.5em;
    background: #f2f2f2;
    position: absolute;
    bottom: 0;
}
.sell-ul{
    display: grid;
    grid-template-columns: repeat(2,50%);
    grid-template-rows: repeat(5,calc(510px/5));
}
.sell-ul a{
    display: flex;
    width: 100%;
    padding: 10px 0;
    flex-wrap: wrap;
    align-items: center;
}
.sell-ul a p{
    text-indent: 10px;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 17px;
    width: 100%;
}
.sell-ul a .sell-a{
    display: flex;
    height: 30px;
    width: 100%;
    align-items: center;
}
.sell-ul a .sell-a div{
    width: 50%;
    text-indent: 10px;
}
.sell-ul a .sell-a div i{
    display: inline-block;
    font-style: normal;
    color: #ff6c4a;
}
.sell-ul a{
    border-top: 2px solid #e5e5e5;
    box-sizing: border-box;
}
.sell-ul a:nth-child(-n+2){
    border: none;
}
.sell-ul a:nth-child(2n){
    border-left: 2px solid #e5e5e5;
    box-sizing: border-box;
}
.top4{
    display: block;
    color: #ff6c4a;
    font-size: 18px;
    position: relative;
    height: 30px;
    line-height: 30px;
    border-top: 2px solid #e5e5e5;
    box-sizing: border-box;
}
.top4::after{
    width: 4em;
    height: 2px;
    left: 0;
    top: -2px;
    content: '';
    position: absolute;
    background: #ff6c4a;
}
.buy-img div{
    height: 130px;
    overflow: hidden;
}
.buy-img span{
    display: block;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    height: 30px;
    line-height: 30px;
    font-size: 15px;
}
.buy-ul a p{
    text-indent: 0;
    font-size: 16px;
}
.buy-ul a span{
    font-size: 16px;
}

.buy-ul2 a{
    display: block;
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 16px;

}

.buy-ul a{
    display: flex;
    height: 31px;
    line-height: 31px;

    
}

.buy-adv1{
    height: 130px;
    overflow: hidden;
}
.com-color{
    background: #ededed;
}
.top5{
    width: 40px;
    line-height: 40px;
    text-align: center;
    writing-mode:vertical-lr;
    color: #fff;
    background: #ff6c4a;
    font-size: 18px;
}
.com-img{
    width: calc(100% - 160px);
    margin: 0 auto;
}
.com-img a{
    margin: 20px 0;
    width: calc((1200px - 5px)/100*18);
    height: calc((1200px - 5px)/100*18);
}
.com-ul{
    row-gap: 20px;
    column-gap: 2%;
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(2,49%);
    grid-template-rows: repeat(3,130px);
}
.com-ul a p{
    height: 30px;
    line-height: 30px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 16px;
    color: #000;
}
.com-ul a span{
    display: block;
    height: 60px;
    line-height: 20px;
    color: #737373;
    overflow: hidden;
}
.com-ul a i{
    position: relative;
    display: block;
    width: 100%;
    height: 30px;
    line-height: 30px;
    font-style: normal;
    color: #ff6c4a;
    font-size: 15px;
}
.com-ul a i::after{
    content: '';
    width: 25px;
    height: 10px;
    background: url(../img/ic1.png)no-repeat;
    background-size: 100% 100%;
    position: absolute;
    left: 4.5em;
    top: calc((100% - 10px)/2);
}
.exh-show-a{
    width: 100%;
    border: 1px solid #ff6c4a;
    box-sizing: border-box;
    height: 330px!important;
}
.exh-ul a{
    height: 140px;
    border: 1px solid #ff6c4a;
    box-sizing: border-box;
}
.exh-ul-a{
    position: relative;
}
.exh-ul-a::after{
    content: '';
    position: absolute;
    width: 5px;
    left: 0;
    top: 0;
    background: #ff6c4a;
    height: 100%;
}
.exh-ul-a::before{
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    left: -10px;
    top: calc((100% - 10px)/2);
    background: url(../img/sj1.png)no-repeat;
    background-size: 100% 100%;
}
.exh-ul-a p{
    height: 40px;
    line-height: 40px;
    white-space: nowrap;
    overflow: hidden;
    text-indent: 15px;
    color: #343434;
    font-size: 18px;
}
.exh-ul-a span{
    height: 30px;
    line-height: 30px;
    color: #737373;
    text-indent: 30px;
    white-space: nowrap;
    overflow: hidden;
    position: relative;
}
.exh-ul-a span:nth-child(2)::after{
    content: '';
    position: absolute;
    width: 10px;
    height: 15px;
    left: 15px;
    top: calc((100% - 15px)/2);
    background: url(../img/dw.png)no-repeat;
    background-size: 100% 100%;
}
.exh-ul-a span:nth-child(3)::after{
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    left: 15px;
    top: calc((100% - 10px)/2);
    background: url(../img/sj.png)no-repeat;
    background-size: 100% 100%;
}
.exh-ul-a i{
    display: block;
    width: calc(100% - 15px);
    margin-left: 15px;
    font-style: normal;
    color: #737373;
    height: 60px;
    line-height: 20px;
}
.top6{
    margin-top: 20px;
    display: block;
    position: relative;
    border-bottom: 1px solid #cccccc;
    box-sizing: border-box;
    height: 30px;
    line-height: 30px;
    font-size: 16px;
    color: #ff6c4a;
    font-style: italic;
}
.top6::after{
    content: '';
    position: absolute;
    width: 4em;
    height: 1px;
    bottom: -1px;
    background: #ff6c4a;
    left: 0;
}
.exh-ul2 a{
    display: block;
    height: 40px;
    line-height: 40px;
    white-space: nowrap;
    overflow: hidden;
    text-indent: 20px;
    position: relative;
    font-size: 15px;
}
.exh-ul2 a::after{
    content: '';
    position: absolute;
    left: 0;
    height: 15px;
    width: 15px;
    background: url(../img/ic2.png)no-repeat;
    background-size: 100% 100%;
    top: calc((100% - 15px)/2);
}
.link a{
    font-size: 16px;
}