@charset "utf-8";
.st-header {
    float: left;
    width: 100%;
    height: 90px;
    min-width: 1200px;
    background-color: #46826B  
}
.st-header .st-logo {
    float: left;
    width: 220px;
    height: 48px;
    padding: 21px 0;
    overflow: hidden;
    position: relative;
}
.st-header .st-logo img {
    max-width: 220px;
    height: 48px;
}
.st-header .st-banner{
    float: right;
    width: 850px;
    height: 140px;
}
.st-header .st-banner img{
    display: block;
    width: 850px;
    height: 140px;
}


.st-nav {
    float: left;
    width: 600px;
    min-width: 1200px;
    height: 90px;
}
.st-menu {
    float: left;
    width: 600px;
    height: 90px;
    margin-left: 94px;
}
.st-menu > ul > li {
    float: left;
    height: 90px;
    position: relative;
    -webkit-transition: all .8s;
    -moz-transition: all .8s;
    /*-ms-transition: all .8s;*/
    -o-transition: all .8s;
    transition: all .8s;
}
.st-menu > ul > li > a {
    display: block;
    color: #fff;
    height: 90px;
    line-height: 90px;
    width: 100px;
    font-size: 18px;
    text-align: center;
    position: relative
}
.st-menu > ul > li.active,
.st-menu > ul > li:hover{
    background-color: #35725d 
}

.st-head-search{
    float: right;
    padding: 27px 0;
    position: relative;
    width: 72px;
    height: 36px;
    -webkit-transition: width .5s ease 0s;
    transition: width .5s ease 0s;
}
.head-search-form{
    padding: 0 33px 0 12px;
    height: 36px;
    background-color: #fff;
    border-radius: 18px;
    position: relative;
}
.head-search-form input{
    position: absolute;
    right: 33px;
    width: 0;
    padding: 0 18px;
    height: 36px;
    line-height: 36px;
    font-size: 14px;
    color: #666;
    background-color: transparent;
    -webkit-transition: width .5s ease 0s;
    transition: width .5s ease 0s;
}
.head-search-form .icon-search{
    display: block;
    position: absolute;
    top: 8px;
    right: 8px;
    width: 21px;
    height: 21px;
    background: url(../images/museum-header-search.png) no-repeat;
    overflow: hidden;
}
.head-search-focus .head-search-form input {
    width: 177px;
    background-color: #fff;
    -webkit-border-radius: 18px 0 0 18px;
    -moz-border-radius: 18px 0 0 18px;
    border-radius: 18px 0 0 18px;
}

.st-login{
    float: right;
}
.st-login a{
    float: left;
    color: #fff;
    font-size: 14px;
    line-height: 90px;
    margin-left: 20px;
}
.st-login a.user{
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}