/*导航栏样式*/
.nav{width:1150px;margin: 0 auto;height:50px;padding: 0 25px;}
.nav li{line-height:50px;height:50px;text-align:center;width: 143px;float:left;position:relative;z-index:999;}
.nav li a{display:block;width: 100%;height: 100%;transform: skewX(-40deg);}
.nav li a span{display: block;line-height:50px;color:#fff;height:50px;font-size: 18px;transform: skewX(40deg);}
.nav li:hover a{background: #fff;}
.nav li:hover a span{color:#1663ab;}

.li_hover{background: #fff;}
.li_hover span{color: #1663ab!important;}

.nav .sec{height:0;background:#1663ab;color:#fff;z-index:9999;position:absolute;top:50px;left:-21px;display: none;}
.nav li:hover .sec{display:block;}
.nav li .sec a{background:#1663ab;color:#fff;height:38px;line-height:38px;width:142px;transform: none;}
.nav li .sec a:hover{background:#fff;color:#1663ab;text-decoration:none;}