.header{width:100%;background:rgba(62,62,62,0.4);position:fixed;top:0;left:0;z-index:9998}.header.top{background:#252322}.header .nav{width:100%;padding:0 1.56rem;height:0.96rem}.header .nav .logo .pc_s{width:2.88rem}.header .nav .nav_link{margin-left:auto;line-height:0.48rem}.header .nav .nav_link .search_inp{width:6.24rem;height:0.48rem;border-radius:0.12rem;background:rgba(216,216,216,0.3);color:#fff;padding:0  0.32rem;font-size:0.16rem}.header .nav .nav_link .search_inp::-webkit-input-placeholder{color:rgba(255,255,255,0.6)}.header .nav .nav_link .search_inp:-moz-placeholder{color:rgba(255,255,255,0.6)}.header .nav .nav_link .search_inp::-moz-placeholder{color:rgba(255,255,255,0.6)}.header .nav .nav_link .search_inp:-ms-input-placeholder{color:rgba(255,255,255,0.6)}.header .nav .nav_link .a{color:#FFFFFF;font-size:0.16rem;margin-left:0.72rem;position:relative}@media screen and (max-width: 1200px){.header .nav{padding:0 0.56rem}.header .nav .nav_link{margin-left:auto;line-height:0.48rem}.header .nav .nav_link .search_inp{width:3.24rem}.header .nav .nav_link .a{margin-left:0.52rem}}@media screen and (max-width: 750px){.header .logo .iphone_s{width:0.42rem}.header .nav{padding:0 0.24rem;height:0.52rem}.header .nav .search{margin-left:auto}.header .nav .search img{width:0.34rem;display:block}.header .nav .s_cart{margin-left:0.34rem}.header .nav .s_cart img{width:0.31rem;display:block}.header .nav .switch{margin-left:0.34rem}.header .nav .switch .span{width:0.24rem;height:0.04rem;border-radius:292px;opacity:1;background:#8D8D8D;display:block;margin-bottom:0.05rem;transition:all .3s}.header .nav .switch .span:last-child{margin-bottom:0rem}.header .nav .nav_link{display:none}.header.active{background-color:#252322;height:100vh}.header.active .nav_link{display:block;width:100%;position:absolute;top:0.86rem}.header.active .nav_link .ul::after{content:none}.header.active .nav_link .ul .li{float:none;line-height:1;font-size:0.18rem;line-height:0.20rem;margin-bottom:0.36rem}.header.active .nav_link .ul .li .h2{font-size:0.32rem;font-weight:900;line-height:0.36rem;color:#FFFFFF}.header.active .nav_link .ul .li .a{margin-left:0}.header.active .nav_link .uyoo_logo{margin-top:0.90rem;color:#fff;line-height:1}.header.active .nav_link .uyoo_logo .img{width:0.90rem}.header.active .switch{position:relative;width:0.24rem}.header.active .switch .span{position:absolute}.header.active .switch .span:nth-child(1),.header.active .switch .span:nth-child(3){margin:0}.header.active .switch .span:nth-child(1){transform:rotate(-45deg)}.header.active .switch .span:nth-child(3){transform:rotate(45deg)}.header.active .switch .span:nth-child(2){display:none}}