@media screen and (min-width:1440px){.nav_li{width:120px}}@media screen and (max-width:1440px){.nav_li{width:100px}}.gago .header{background-color:#1761b9;overflow:hidden;height:121px;transition:height .5s linear}.gago .header .header-top{width:100%;height:30px;overflow:hidden;background-color:#f4f5f6;border:1px solid #ccc;color:#333}.gago .header .header-top .tel-number{font-size:10px;line-height:30px;float:left}.gago .header .header-top .user-message{line-height:30px;font-size:12px;float:right}.gago .header .header-top .user-message a{margin:0 5px;color:#333}.gago .header .logo{background-color:#fff}.gago .header ul.nav{height:34px;width:1440px;margin:0 auto;padding:0 100px;border:none}.gago .header ul.nav .nav_li{display:inline-block;font-size:14px;white-space:nowrap;height:34px;line-height:34px;color:#fff;text-align:center;cursor:pointer}.gago .header ul.nav .nav_li a{color:#fff;line-height:1}.gago .header ul.nav .nav_li.active a,.gago .header ul.nav .nav_li:hover a{background-color:hsla(0,0%,100%,.2);border-radius:5px 5px 0 0;border:none;margin-top:4px;line-height:25px;display:block}.gago .header ul.nav .nav_li.current{background:linear-gradient(180deg,transparent,hsla(0,0%,100%,.25))}.gago .header ul.nav .nav_li:hover a{background-color:hsla(0,0%,100%,.3)}.gago .iframe{height:calc(100% - 121px);width:100%}.gago .iframe iframe{overflow-x:hidden}