.nn-header *,.nn-footer *{font-family:PingFangSC-Regular}.nn-header a,.nn-footer a{color:#24262b}.nn-logo{display:inline-block;width:160px;height:36px}.nn-gap{display:inline-block;width:1px;height:12px;position:relative;top:1px;margin:0 2px;background-color:#d1d1d1}.nn-header{position:fixed;top:0;left:0;z-index:99999;width:100%;height:36px;line-height:36px;padding:22px 0;background-color:#fff;transition:all .5s ease;-ms-transition:all .5s ease;-webkit-transition:all .5s ease;-moz-transition:all .5s ease;-o-transition:all .5s ease}.nn-header-wrap{max-width:1200px;height:100%;margin:0 auto}.nn-header .nn-logo{float:left}.nn-header-nav{float:left;display:flex}.nn-header-nav>li{margin-left:50px;float:left}.nn-header-nav>li{cursor:pointer}.nn-header-nav>li>a{position:relative;width:100%;font-size:16px;font-weight:700}.nn-header-nav>li>a:before{content:"";position:absolute;width:100%;height:2px;bottom:-3px;left:0;background-color:#ff5a00;visibility:hidden;transform:scaleX(0);-ms-transform:scaleX(0);-moz-transform:scaleX(0);-webkit-transform:scaleX(0);-o-transform:scaleX(0);transition:all .25s ease-in-out;-ms-transition:all .25s ease-in-out;-webkit-transition:all .25s ease-in-out;-moz-transition:all .25s ease-in-out;-o-transition:all .25s ease-in-out}.nn-header-nav>li:hover>a:before,.nn-header-nav>li.active>a:before{visibility:visible;transform:scaleX(1);-ms-transform:scaleX(1);-moz-transform:scaleX(1);-webkit-transform:scaleX(1);-o-transform:scaleX(1)}.nn-header-account{position:relative;float:right;width:28px;height:28px;padding:10px 0;top:-6px;cursor:pointer}.nn-header-account>img{border:1px solid #ccc;border-radius:14px}.nn-header-dropdown{display:none;position:absolute;top:48px;left:-34px;padding:10px 0;border-radius:2px;background-color:#fff;box-shadow:0 2px 18px 0 rgba(0,0,0,.2)}.nn-header-dropdown:before{content:'';position:absolute;top:-6px;left:42px;width:0;height:0;border-left:8px solid transparent;border-right:8px solid transparent;border-bottom:8px solid #fff}.nn-header-dropdown>li>a{display:block;width:100px;height:30px;text-align:center;line-height:30px}.enFix .nn-header-dropdown{left:-50px}.enFix .nn-header-dropdown>li>a{width:130px}.nn-header-account:hover .nn-header-dropdown{display:block}.nn-header-margin{height:100px;background-color:transparent}.nn-header-multi-lang{float:right;margin-left:20px}.nn-header-multi-lang>a{font-size:16px}.nn-header-multi-lang>a.active{font-weight:700;color:#ff5a00}.nn-footer{min-width:1100px;height:100px;background-color:#f2f2f2;color:#999;margin-top:40px}.nn-footer-wrap{max-width:1200px;height:32px;line-height:32px;margin:0 auto;padding-top:34px}.nn-footer a{color:#999}.nn-footer a:hover{color:#24262b}.nn-footer .follow-us{float:left}.nn-footer .icon-weixin{float:left;position:relative;margin-left:16px;font-size:30px}.nn-footer .weixin-qr-code{display:none;position:absolute;top:-190px;left:-70px;width:150px;padding:10px;text-align:center;background-color:#fff;box-shadow:0 2px 18px 0 rgba(0,0,0,.2)}.nn-footer .icon-weixin:hover .weixin-qr-code{display:block}.nn-footer .copyright{float:right}.nn-footer .nn-national-emblem{vertical-align:text-top}.nn-has-banner~.nn-header-margin{display:none}.is-top.nn-header{padding:32px 0;background-color:transparent}.is-top .nn-header-nav>li>a{color:#fff}.is-top .nn-header-nav>li>a:before{background-color:#fff}.is-top .nn-header-login>img{border-color:transparent}.nn-white-logo{display:none}.is-top .nn-white-logo{display:block}.is-top .nn-black-logo{display:none}.nn-white-login-logo{display:none}.is-top .nn-white-login-logo{display:block}.is-top .nn-black-login-logo{display:none}