.Yd_navBox {
    width: 100%;
    z-index: 100;
    height: .8rem;
    background: #fff;
    position: fixed;
    margin: auto 0;
    display: flex;
    transition: all 0.5s linear;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.Yd_navBox_img {
    display: flex;
    justify-content: space-between;
    width: 100%;
    align-items: center;
    padding: 0 .3rem;
}

.Yd_navBox_img>img {
    width: 1.60rem;
    height: .46rem;
}

.Yd_navBox_imgicon>img {
    width: .56rem;
    height: .56rem;
    display: block;
}

.Yd_navBox_Details {
    z-index: 999;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 0;
    height: 100%;
    overflow: hidden;
    background: #fff;
    transition: all 0.5s linear;
}

.Yd_navBox_Details>div {
    text-align: right;
    font-size: .48rem;
    padding: .2rem .3rem .2rem 0;
    color: #666;
    cursor: pointer;
}

.Yd_navBox_DetailsUl {
    padding: 0 .3rem;
}

.Yd_navBox_DetailsUl>li {
    width: 100%;
    padding: .25rem 0;
    font-size: .26rem;
    line-height: .5rem;
    border-bottom: 1px solid #f0f0f0;
}

.Yd_navBox_DetailsUl>li:last-child {
    border-bottom: none;
}

.Yd_navBox_DetailsUl>li a {
    color: #333;
    display: block;
    transition: color 0.3s;
    cursor: pointer;
}

.Yd_navBox_DetailsUl>li a:hover,
.Yd_navBox_DetailsUl>li a:active {
    color: #f88e04;
}

.Yd_navBox_DetailsUl>li.has_submenu {
    height: auto;
}

.submenu_wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.submenu_link {
    flex: 1;
    color: #333;
    display: block;
    transition: color 0.3s;
    cursor: pointer;
}

.submenu_link:hover,
.submenu_link:active {
    color: #f88e04;
}

.submenu_arrow {
    font-size: .2rem;
    transition: transform 0.3s;
    display: inline-block;
    cursor: pointer;
    padding: .15rem .5rem;
    margin-left: auto;
    min-width: .6rem;
    text-align: center;
    color: #f88e04;
}

.submenu_arrow.active {
    transform: rotate(180deg);
}

.submenu_list {
    display: none;
    padding-left: .3rem;
    margin: 0;
}

.submenu_list li {
    width: 100%;
    height: auto;
    padding: .25rem 0;
    font-size: .26rem;
    line-height: .4rem;
    border-bottom: 1px solid #f5f5f5;
    cursor: pointer;
}

.submenu_list li:last-child {
    border-bottom: none;
}

.submenu_list li a {
    color: #333;
}

.submenu_list li a:hover,
.submenu_list li a:active {
    color: #f88e04;
}

.Yd_navBox_DetailsUl>li.has_submenu.active .submenu_list {
    display: block;
}

.homeBox {
    display: none;
}

.videoBox {
    width: 100%;
    margin: auto;
    padding: .8rem 0 0;
}

.video_banner {
    width: 100%;
    height: 10rem;
    margin: 0 auto;
    background: url(../img/video-yd-banner.png) no-repeat;
    background-size: 100% 100%;
    position: relative;
}

.titleH,
.msgH {
    color: #fff;
}

.msgH {
    font-size: .24rem;
}

.video_tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.15rem;
    margin-top: 0.4rem;
    margin-bottom: 0.4rem;
    padding: 0 0.2rem;
}

.video_tab {
    padding: 0.15rem 0.1rem;
    font-size: 0.24rem;
    color: #666;
    background: #f5f5f5;
    border-radius: 0.08rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: pr;
    text-align: center;
    border: 1px solid transparent;
    line-height: 1.4;
    word-wrap: break-word;
}

.video_tab.active {
    color: #fff;
    background: #f88e04;
    border-color: #f88e04;
    font-weight: 600;
}

.video_category_content.active {
    display: block !important;
}

.video_Ul {
    width: 100%;
    padding: 0.3rem 0.2rem 0.2rem;
}

.video_li {
    width: 100%;
    max-width: 10rem;
    height: 4.5rem;
    position: relative;
    overflow: hidden;
    border-radius: 0.08rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    background: #000;
}

.video_li video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    border-radius: 0.08rem;
}

.video_li video::-webkit-media-controls-panel {
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
}

.pc_foot {
    display: none;
}

.yd_foot {
    width: 100%;
    max-width: 19.2rem;
    margin: 0 auto;
    background: #333;
}

.yd_footContent {
    width: 7.5rem;
    margin: 0 auto;
    background: #333333;
}

.yd_footTop {
    width: 7.1rem;
    height: 1.7rem;
    margin: 0 auto;
    border-bottom: 0.02rem solid #666;
}

.yd_footTop span {
    font-size: 0.35rem;
    color: #fff;
    font-family: bar;
    font-weight: 600;
    line-height: 1.7rem;
    text-align: left;
}

.yd_footCenter {
    width: 7.1rem;
    height: auto;
    margin: 0 auto;
    border-bottom: 0.02rem solid #666;
}

.yd_footCenter ul {
    width: 7.1rem;
    margin: 0 auto;
    padding-bottom: 0.3rem;
}

.yd_footCenter li {
    width: 6.9rem;
    height: 3.85rem;
    margin: .3rem 0 0 .2rem;
}

.yd_footCenter ul li div {
    line-height: 0.48rem;
    font-size: 0.24rem;
    font-family: p;
    text-align: left;
    color: #a0a0a0;
    font-weight: 500;
}

.yd_title a {
    color: #fff;
    font-weight: 600;
    font-family: pb;
    opacity: 1;
    font-size: 0.36rem;
    padding-bottom: 0.2rem;
    margin-top: 0.3rem;
}

.yd_qr {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    color: #a0a0a0;
    font-size: 0.24rem;
    margin-top: -.3rem;
}

.qr_item {
    text-align: center;
}

.qr_item img {
    width: 1rem;
    height: 1rem;
    margin-bottom: 0.1rem;
    border: 1px solid #ddd;
    padding: 0.05rem;
}

.footer_B {
    width: 7.5rem;
    line-height: 1.8rem;
    font-size: 0.22rem;
    color: #fff;
    opacity: 1;
    margin: 0 auto;
    text-align: center;
}