body{margin: 0;padding: 0}

.nav{background: white;width: 100%;min-width: 1200px;max-width: 1920px;margin: 0 auto;height: 80px;}
.nav-btns{float: right;padding-right: 50px;}
.nav-btns li{list-style: none;float: right;height: 50px;line-height: 50px;margin-right: 50px;font-size: 20px;width: 100px;}
.nav-btns li a{color: black;text-decoration: none;}
.nav-btns li a:hover{color: white;background: #d44231;border-radius: 15px;padding: 10px 10px;}
.nav-btns li a.active{color: white;background: #d44231;border-radius: 15px;padding: 10px 10px;}
.container{width: 1200px;margin: 0 auto}
.banner{width: 100%;max-width: 1920px;min-width: 1200px;margin: 0 auto}
.banner img{width: 100%}
.content{max-width: 1920px;min-width: 1200px;margin: 0 auto;width: 100%;overflow-x: hidden}
.pos-rel{position: relative}
.pos-abs{position: absolute}
.text-center{text-align: center}
.margin-middle{margin:  0 auto}
.job-item-bg{width: 560px;margin: 0 auto;height: 60px;background: url(../images/jobbg.png);overflow: hidden}
.job-item-bg .span1{display: block;padding-left: 49px;margin-top: 22px;}
.job-item-bg .span2{display: block;padding-left: 24px;margin-top: 22px;}
.job-item-bg a{display: block;padding-left: 18px;margin-top: 22px;color: white;cursor: pointer;text-decoration: none}