.headerds{text-align:center;height: 66px;background: #0146ae;}
.headerds img {
    width: 500px;
    margin-top:15px;
}

.header {
    width: 100%;
    height: 210px;
    background: #F5F5F7;
}
.cf {
    zoom: 1;
}
.layout_top {
    width: 1280px;
    margin: 0 auto;
}
.header .top_logo {
    width: 270px;
    height: 133px;
    margin: 0 auto;
}
.fl {
    float: left;
}

.header .top_logo img {
    width: 254px;
    margin: 44px 0 0 0;
}
.fr {
    float: right;
}
.header .databank img.index_slogan {
    margin-top: 77px;
    width: 644px;
    height: auto;
    margin-right: 10px;
}