.nav{ width:100%; height:55px; margin:0; z-index:999; border-top:1px solid rgba(255,255,255,0.3);}
.nav1{ width:100%; height:55px; margin:0; z-index:999; border-bottom:1px solid rgba(255,255,255,0.3);}
.nav .nav_list{width:1230px; margin:auto;height:55px;display:flex;}
.nav li{float:left; width:12%;position:relative;flex:1;}
.nav li.last{background:none;}
.nav li a{float:left;display:block; width:100%;text-align:center; line-height:1.2;  color:#fff; }
.nav li a:hover{background:rgba(0,0,0,0.0);text-decoration:none;color:#fff;}
.nav li a span{float:left;display:block; width:100%; height:55px; line-height:55px;cursor:pointer; font-family:"Microsoft YaHei";text-align:center;  font-size:18px;}
.nav li a.selected{ background:rgba(0,0,0,0.0);color:#FC0;}
.nav li a.selected2{ background:rgba(0,0,0,0.0);color: #FC0;}/*===一级当前栏目样式=*/
/*========以下二级导航样式=*/
.nav li.selected .submenu{display:block;}
.nav li .submenu{display:none;position:absolute;top:55px;left:0px; background:rgba(0,0,0,0.6);}
.nav li .submenu{width:100%;}
.nav li .submenu{ z-index:999;}
.nav li .submenu li{float:left;padding:0;background:none; font-size:14px;}
.nav li .submenu li a{float:none;padding:13px 8px;box-sizing: border-box;text-align: center; font-family:"Microsoft YaHei";background:none; color:#fff; line-height:1.3;}
.nav li .submenu li a:hover{background:#145ab2;font-weight:normal; color:#fff; text-decoration:none;}