/*头部导航*/
.header{position: absolute;top: 31px;left: 0;width: 100%; height: 95px;display: flex;justify-content: space-between;align-items: center;z-index: 99;color: #FFFFFF;transition: all .3s; background:#ffffff5e;}
.hhead{ width:1200px; margin:0 auto; }
.hhead .logo1{width:300px;float:left;margin-top:14px;}
.hhead .logo1 img{    width: 270px;    margin-top: 10px; }
.header.fixed{position: fixed;background: rgb(253 253 253 / 80%);height: 100px;transition: all .3s;}
.header .nav ul{display: flex;}
.header .nav ul li{line-height: 70px;display: flex;align-items: center;margin: 0 30px;font-size: 16px;position: relative;}
.header .nav ul li.active:after{position: absolute;content: "";bottom: -8px;left: -5px;width: 75px;height: 3px;background: #c10001;transition: all .3s;}
.header .nav ul li:after{position: absolute;content: "";bottom: -4px;left: -5px;width: 0px;height: 3px;background: #c10001;transition: all .3s;}
.header .nav ul li:hover:after{width: 75px;transition: all .3s;}
.header .nav ul li a{margin-top: 9px;/* line-height: 100px; */}
.header .mobile-nav{width: 36px;height: 31px;background: url(../images/nav-icon.png) center center no-repeat;}