.head{width: 100%;min-width:1210px;height: 99px;z-index: 100;padding-top: 10px;transition: all 0.3s;max-width: 1920px; padding-bottom: 10px;}
.headon{margin-top: 0;padding: 20px 0;background-color: rgba(0, 0, 0, 0.6);}
.head .show{/*max-width: 1720px;*/min-width:1210px;max-width: 1419px;margin: 0 auto;}
.head .logo{float: left;margin-left: 5%}
.head .nav{float: right;line-height: 79px;}
.head .nav li{float: left;margin-left: 40px;}
.head .nav li a{font-size: 16px;font-weight: 400;color: #010101;padding-bottom: 5px;position: relative;overflow: hidden;}
.head .nav li a:after{position: absolute;background-color: #1c679e;width: 0;height: 2px;right: 0%;bottom: -5px;z-index: -1;transition: all 0.3s ease-in-out;content: ''}
.head .nav li a:hover:after{width: 100%;left: 0%;}
.head .nav li a:hover{ color:#1c679e;}
.head .nav .on a{border-bottom: 2px solid #010101;}