.page_ld{
    background-color: #f4f4f4;
}
.page_ld .g_w_1200{
    background-color: #fff;
    padding: 40px;
}
.page_ld .page_ld_slide{
    width: 160px;
}
.page_ld .page_ld_main{
    -ms-flex: 1; /* IE10 */
    flex: 1;
    margin-left: 40px;
}
.page_ld .page_ld_main > .base{
    color: #004caa;
}
.page_ld .page_ld_main > .base > .nav{
    padding: 20px 0 10px 0;
}