#header{height:73px}
.header_main{position:fixed;top:0;left:0;width:100%;background:white;z-index:999;height:73px}

.nav_block{width: 55%;}
.nav_block ul li{font-size: 16px;height:100%}
.nav_block ul li a{display:inline-block;height:100%;display:flex;align-items:center}

.posthj:hover .postf{display:block}
.postf{position:absolute;top:100%;left:50%;width:max-content;transform:translateX(-50%);background:white;
    box-shadow: 0px 3px 6px 1px rgba(117,117,117,0.16);display: none;
}
/*.nav_block ul li div li a{padding:10px 20px}*/
  
/* 弹出搜索 begin */
.searchBar-m {display:none;width:100%;height:100%;position:fixed;top:0px;z-index:9999;text-align:center}
.searchBar-m .mask {position:absolute;left:0;right:0;width:100%;height:100%;background:#000;opacity:0.8;}
.searchBar-m a {display:block;position:absolute;right:5%;top:5%;width:60px;height:60px;line-height:56px;font-size:48px;z-index:9999;color:#fff;}
.searchBar-m .form-group {width:70%;max-width:720px;position:absolute;left:50%;top:40%;transform:translate(-50%,-200%);}
.searchBar-m .input{width:88%;background:transparent;border:0;border-bottom:2px solid #f2f2f2;color:#6E6E6E;height:60px;line-height:60px;float:left;padding:0;color:white}
.searchBar-m .button {width:8%;height:60px;line-height:60px;border-bottom:2px solid #f2f2f2;display:block;float:left;background:url(../images/ico-search-button.png) no-repeat center 50%;text-indent:-2000px;border:none;border-bottom:2px solid #f2f2f2}
.searchBar-m .button:hover{background:url(../images/ico-search-button.png) no-repeat center 50%;}
/* 弹出搜索 end */

input:focus {
    outline: none;
}