.header-index {
    width: 100%;
    background: rgba(255, 255, 255, 0.85) !important;
    position: fixed; left:0; top:0;
    z-index:1979;
}
.header-index .th{
    background: rgba(255, 255, 255, 0);
}
.header-index .cl{
    background: rgba(255, 255, 255, 0);
}
.header-index .th{
    background: rgba(255, 255, 255, 0);
}