.layer-tai-lieu .section-1 {
    position: relative;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    height: calc(100vh - 94px);
}
.layer-tai-lieu .section-1 .wrap-notifi-scroll {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: scrolldown 2s infinite;
}
.layer-tai-lieu .section-1 .wrap-notifi-scroll .text-scroll {
    transform: rotate(-90deg);
    margin-top: 40px;
    font-size: 10px;
    text-transform: uppercase;
    color: #143452;
}
.layer-tai-lieu .section-1 .wrap-content-video {
    position: absolute;
    display: flex;
    justify-content: space-between;
    top: 50%;
    transform: translate(-50%, -50%);
    left: 50%;
    width: 70%;
}
.layer-tai-lieu .section-1 .wrap-content-video .content_in_slider {
    width: 50%;
    color: #fff;
    padding-right: 50px;
}
.layer-tai-lieu .section-1 .wrap-content-video .content_in_slider a {
    padding: 12px 64px;
    font-size: 20px;
    font-weight: 600;
    background: #D18F26;
    color: #fff;
    text-decoration: none;
    display: inline-block;
}
.layer-tai-lieu .section-1 .wrap-content-video .content_in_slider a:hover {
    color: #000;
}
.layer-tai-lieu .section-1 .wrap-content-video .video {
    width: 50%;
}
.layer-tai-lieu .section-2 {
    padding-top: 50px;
    padding-bottom: 50px;
}
.layer-tai-lieu .section-2 .group_document {
    background: #fff;
    margin-bottom: 40px;
}
.layer-tai-lieu .section-2 .title_group_doc {
    padding: 22px 40px;
    font-weight: bold;
    font-size: 24px;
    color: #153452;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.layer-tai-lieu .section-2 .title_group_doc i {
    transition: .5s;
    font-size: 14px;
}
.layer-tai-lieu .section-2 .title_group_doc i.icon-up {
    transform: rotate(180deg);
}
.layer-tai-lieu .section-2 .list_document li {
    padding: 10px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #DADADA;
}
.layer-tai-lieu .section-2 .name_doc {
    font-weight: 400;
    font-size: 18px;
    color: #666;
}
.layer-tai-lieu .section-2 .link_down_doc {
    font-size: 12px;
    text-transform: uppercase;
    color: #D18F26;
    text-decoration: none;
    display: flex;
    align-items: center;
    font-weight: bold;
}
.layer-tai-lieu .section-2 .link_down_doc span {
    margin-right: 10px;
}