#header{position:relative; height:0; width:1520px;; margin:0 auto; z-index:999;}
#header .logo_nt{ position:absolute; top:20px; display:block; width:286px;}
#header .logo_nt img{ width:100%;}

#menu{ width:900px; z-index:999; position:absolute;top:20px; right:150px;}
#menu_btn{ display:none;}

/*#lan1{position:absolute;top:45px; right:0; width:120px; height:35px; background:#059839; border-radius:35px; color:#fff !important;}
#lan1 a{}*/

.language_box { position: absolute;  right: 0; top:45px; width: 120px;height: 35px; color:#fff; white-space: nowrap; overflow: hidden; }
.language_box a { transform: translate(-120px, 0); text-indent:16px; font-size: 14px; display: inline-block; color: #fff; text-transform: uppercase; width: 100%; height: 100%; line-height: 35px; background:#059839 url(lanbg.png) 88% center no-repeat; text-align: left; vertical-align: top; border-radius:35px; }
.language_box:hover a { transform: translate(0, 0); }
.language_box:hover:after { animation: sanjiao 0.3s ease 0s; }
.language_box a.on {/* background: #e62129; color: #fff; */ }
.language_box a:first-child {/* margin-left: 0;*/ }
/*.language_box.sanjiao-B:after { position: absolute; left: 65px; top: 50%; margin-left: 0; border-color: #fff transparent transparent transparent; border-width: 5px 5px 0; margin-top: -2.5px; }*/
@keyframes sanjiao { 50% {
opacity:0;
transform:translateX(8px);
}
}
#mob_lan{ display:none;}

.ban_img{ margin: 0px auto; width:1920px; position:relative; overflow:hidden;}
.ban_img img { margin: 0px auto; width:1920px; overflow:hidden; }