.relation-banner-box{
    overflow: hidden;
    padding-left: 90px;
}
.relation-banner{
    width: 100%;
    overflow: hidden;
}
.relation-banner img{
    width: 100%;
    object-fit: cover;
}

.relation-nav-box{
    overflow: hidden;
    padding: 44px 0 20px 90px;
}
.relation-nav{
    width: 1440px;
    margin: 0 auto;
}
.relation-nav-words{
    width: 100%;
    border-top: 1px solid #e5e5e5;
    border-bottom: 1px solid #e5e5e5;
    position: relative;
    box-sizing: border-box;
}
.relation-nav-words:after{
    content: "";
    *zoom: 1;
    display: table;
    clear: both;
}

.relation-nav-words ul{
    font-size: 0;
    text-align: center;
}
.relation-nav-words ul li{
    display: inline-block;
    text-align: center;
    cursor: pointer;
    font-size: 16px;
    color: #333;
    padding: 24px 4px 0 4px;
    margin: 0 44px;
}
.relation-nav-words ul li span{
    position: relative;
    display: inline-block;
    padding-bottom: 24px;
}
.relation-nav-words ul li span i{
    width: 100%;
    height: 1px;
    background-color: #b5b4a9;
    display: block;
    position: absolute;
    bottom: -1px;
    left: 0;
    opacity: 0;
}

.relation-nav-words ul li:hover span i{
    opacity: 1;
}

.relation-nav-active span i{opacity: 1 !important;}
.relation-nav-active{color: #000 !important;}

.relation-words-box{
    overflow: hidden;
    padding-left: 90px;
    padding-bottom: 100px;
}
.relation-words{
    width: 1440px;
    margin: 0 auto;
    padding: 32px 0 72px 0;
    border-bottom: 1px solid #e5e5e5;
}
.relation-words-size{
    width: 100%;
    overflow: hidden;
    padding: 0 40px;
}
.relation-words-size ul li{
    float: left;
    overflow: hidden;
}
.relation-words-size ul li:nth-child(1){width: 20%;}
.relation-words-size ul li:nth-child(2){width: 40%;}
.relation-words-size ul li:nth-child(3){width: 20%;text-align: center;}
.relation-words-size ul li:nth-child(4){width: 20%;text-align: right;}


.relation-words-size ul li:nth-child(1) h4{font-size: 24px;color: #000;}
.relation-words-size ul li:nth-child(1) h4 img{max-width: 88%;}
.relation-words-size ul li:nth-child(2) p{
    display: block;
    font-size: 16px;
    color: #666;
    line-height: 26px;
}
.relation-words-size ul li:nth-child(2) p:nth-child(n+2){
    margin-top: 14px;
}
.relation-words-size ul li:nth-child(2) p:hover{
    text-decoration: underline;
    color: #000;
}


.relation-words-size ul li:nth-child(3) img{width: 140px;height: 140px;}
.relation-words-size ul li:nth-child(3) img.hide{opacity: 0;}
.relation-words-size ul li img.hide{opacity: 0;}
.relation-words-size ul li:nth-child(4) h6{
    width: 152px;
    height: 50px;
    background-color: #b2b2a8;
    display: inline-block;
    text-align: center;
    line-height: 50px;
    font-size: 16px;
    color: #fff;
}
.relation-words-size ul li:nth-child(4) h6 i{
    width: 16px;
    height: 16px;
    display: inline-block;
    background-image: url('../images/relation/arrto_web.png');
    vertical-align: middle;
    margin: -3px 10px 0 0;
    transition: all .6s;
}

.relation-words-size ul li:nth-child(4) h6:hover{
    text-decoration: underline;
}
.relation-words-size ul li:nth-child(4) h6:hover i{
    transform: translateX(-6px);
}


/* -------------------------PC端--------------------------- */

@media all and (max-width:1600px) {
    .relation-nav{width: 94%;}
    .relation-words{width: 94%;}
}

@media all and (max-width:1460px) {}

@media all and (max-width:1380px) {
    .relation-nav-words ul li{
        padding: 24px 4px 0 4px;
        margin: 0 30px;
    }
}

@media all and (max-width:1300px) {}

@media all and (max-width:1280px) {}

@media all and (max-width:1200px) {
    .relation-nav-words ul li{font-size: 14px;margin: 0 20px;}
}


/* ------------------------手机端-------------------------- */

@media all and (max-width:1000px) {
    .relation-banner-box{padding-left: 0;}
    .relation-nav-box {
        overflow: hidden;
        padding: 32px 0 14px 0;
    }
    .relation-nav-words ul li{width: 50%;margin: 0;padding: 14px 4px 14px 4px;}
    .relation-nav-words ul li span{padding-bottom: 14px;}
    .relation-nav-words ul li:hover span i{
        opacity: 0;
    }
    .relation-words-box {
        padding-left: 0;
        padding-bottom: 44px;
    }
    .relation-words {
        padding: 2px 0 32px 0;
    }
    .relation-words-size ul li:nth-child(1) {
        width: 100%;
        text-align: center;
    }
    .relation-words-size ul li:nth-child(2) {
        width: 100%;
    }
    .relation-words-size ul li:nth-child(3) {
        width: 100%;
    }
    .relation-words-size ul li:nth-child(4) {
        width: 100%;
        text-align: center;
    }
    .relation-words-size ul li{margin-top: 24px;}
    .relation-words-size{padding: 0;}

    .relation-words-size ul li:nth-child(3) img.hide{display: none;}
    .relation-words-size ul li img.hide{display: none;}
}