.site-header{padding:0 .04rem;position:relative;font-size:0;box-shadow:0 0 .08rem rgba(0,0,0,.1);background-color:#fff}.site-header a{display:inline-block;line-height:1.12rem;vertical-align:top}.site-header .logo{margin:auto .3rem auto .34rem}.site-header .logo img{width:auto;height:.62rem;vertical-align:middle}.site-header .item{font-size:.28rem;color:#1f1f1f}.site-header .item.active{color:#f8b617}.site-header .btn{margin:.34rem .34rem auto auto;border-width:0}.site-header .btn-login{line-height:.44rem;padding:0 .32rem;border-radius:.44rem;font-size:.25rem;color:#fff;background-color:#f8b617;vertical-align:top}.site-header .btn-menu{width:.48rem;padding:.03rem 0}.site-header .btn-menu i{display:block;width:100%;height:.06rem;border-radius:.06rem;background-color:#f8b617;transition:margin .25s,transform .3s}.site-header .btn-menu i:nth-child(2){margin:.1rem auto}.site-header .btn-menu.open{padding:0}.site-header .btn-menu.open i{margin-top:-0.06rem;margin-bottom:auto;transform:rotate3d(0, 0, 1, 45deg)}.site-header .btn-menu.open i:nth-child(1){margin-top:.19rem;transform:rotate3d(0, 0, 1, -45deg)}.site-header .menu{overflow:auto;position:fixed;top:1.12rem;right:0;bottom:0;left:0;z-index:10}.site-header .menu .cover{position:absolute;position:absolute;top:0;right:0;bottom:0;left:0;background-color:hsla(0,0%,100%,.7)}.site-header .menu .box{position:relative;text-align:center;background-color:#fff;box-shadow:0 .04rem .04rem rgba(0,0,0,.1)}.site-header .menu .item{display:block;line-height:1rem;font-size:.32rem}.site-header .menu .item:after{display:block;width:.44rem;height:.02rem;content:"";left:50%;margin:-0.02rem auto auto -0.22rem;position:absolute;background-color:#f8b617}.site-header .menu .item:last-child:after{background:none}