.header{
    width: 100%;
    height: 90px;
    /* position: fixed;
    top: 0px;
    background: #fff;
    box-shadow: 0px 0px 3px #888888; */
    flex: 0 0 auto;
}
.header>.content{
    width: 1240px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
}
.header>.content>.logo{
    width: 145px;
    height: 50px;
    background: #000;
    margin: auto 0;
}
.header>.content>.nav{
    display: flex;
}
.header>.content>.nav>li{
    padding: 0 20px;
    line-height: 90px;
    font-size: 20px;
    
}
.header>.content>.nav>li>a{
    color: #000;
}

.text{
    min-height: 80%;
    width: 1240px;
    margin: 0 auto;
    /*min-height: 600px;*/
    flex: 1 0 auto;
    /*margin-bottom: 80px;*/
}
.text .page-header{
    margin-bottom: 10px;
}
.active{
    color: #edb183 !important;
}
html,body{
    height: 100%;
    display: flex;
    flex-direction: column;
}

.footer {
    background: url('../img/sdtttr.png') no-repeat;
    background-size: 100% 100%;
    height: 90px;
    width: 100%;
    position: relative;
    flex: 0 0 auto;
}

.footer-cert {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.footer-cert,
.footer-cert a {
    color: #fff;
}


.active {
    color: #edb183 !important;
}

.footer-item {
    display: block;
    text-align: center;
}