body{ position: relative; overflow-x: hidden;
    }
.main-content{ width:100%;  position: absolute; left: 0; top: 0; }
.banner-kv{ width: 100%; }
.banner-kv img{width: 100vw;}
.join-us-box{ width: 100vw; margin:6vw 0 4vw;}
.join-us-box h3{font-size: 2.083vw; color: #333333; font-weight: bold; text-align: center;}
.join-us-box ul{width: 78vw; margin:0 auto; display: flex; justify-content: space-between; flex-wrap:wrap; }
.join-us-box ul li{width: 18.5vw; margin-top:1.5vw;}
.join-us-box ul li img{ width: 100%;}
.join-button{ margin:2.5vw auto 0; }
.join-button a{ font-size: 1.041vw; width: 38.5vw; margin:0 auto; color: #333333; display:block; border:1px solid #cd4248; padding:.8vw 0;  text-align: center;}
.line-us{ width: 100vw; }
.line-us img{ width:100% ;}
.line-us a{ width:100% ;}

@media screen and (max-width:1680px){
}