@charset "utf-8";

*{
    margin: 0;
    padding: 0;
}
.header{
    min-width: 1520px;

}
.header .top_header{
    background-image: url("../img/top_bac.png");
    background-position: left;
    height: 133px;
    transition: 0.5s;
}
.huaxian{
    background-image: url("../img/logoyoubiandehuisehuxian.png");
    background-repeat: no-repeat;
    background-position: right top;
    width: 100%;
}
.header .top-section{
    width: 1290px;
    margin: 0 auto;
    line-height: 144px;
}
#sylogo{
    margin-top: 30px;
}
.top-nav{
    background: url("../img/nav-bac.png") repeat-x;
    height: 46px;
    transition: 0.5s;
}
.top-nav .nav{
    margin-left: 8%;
    width: 1290px;
    line-height: 46px;
}
.top-nav .nav li{
    float: left;
    list-style: none;
    color: #000000;
    width:160px;
    border-left: 1px #989898 solid;
    text-align: center;
    padding: 0;
    margin: 0;
    position: relative;
    transition: all 0.6s ease;
}
.top-nav .nav li a{
    color: #E4E4E4;
    text-align: center;
    margin-left: -8px;
}
.top-nav .nav li a:link{
    color: #E4E4E4;
}
.top-nav .nav li img{
    border: 0;
    margin-left: 5px;
    margin-right: 15px ;
    margin-bottom: 3px;
}
.top-nav .nav li ul li{
    border-top: 1px #4c4c4c solid;
}
.nav li{
    float: left;
}
.nav_last{
    border-right: 1px #989898 solid;
}

.search{
    float: right;
    width: 300px;
    height: 60px;
}
.search-text
{
    width:205px;
    padding-left: 5px;
    height: 33px;
    background: url("../img/sousuotiao.png");
    border: none;
    color: #b2aaa7;
}
.search-button
{
    width: 66px;
    height: 34px;
    position: relative;
    left: -5px;
    top: 12px;
    background:url("../img/sousuotiao.png") no-repeat scroll -210px 0 transparent ;
    border: none;
    cursor: pointer;
}
.nav li ul{
    display: none;
}
.nav li ul li{
   width: 140px;
}

.nav li:hover{
    background: url("../img/banner_a.png");
}
.nav li:hover ul{
    display: block;
    position: absolute;
}
.nav li ul li{
    background: #1f1f1f;
}
.nav li ul li:hover{
    background: #4a5163;
}

.nav li:active li:hover{
    background: #4a5163;
}
.nav li:hover ul li:hover ul{
    display: block;
    margin-left: 100%;
    position: absolute;
    margin-top: -30%;
    min-width: 160px;
    z-index: 101;
}
.nav li:hover ul li ul{
    display: none;
}
.top-nav{
    position: relative;
    z-index: 101;
}
#nav{
    position: absolute;
    z-index: 101;
}
*:focus{
    outline: none;
}
@media (min-width: 1560px) {
    .top-nav .nav{
        margin-left:15%;
    }
}