.mobile-menu-area {
    position: relative;
    z-index: 999;
    padding: 11px 15px;
    width: 100%;
    background: #a99968;
    display: none;
}
.mobile-menu-area .header_top_mobile {
    background: #0054a0;
    border-bottom: solid 1px #fff;
}
.mobile-menu-area .header_mid_mobile {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    background: transparent;
    border-top: solid 1px #ccc;
    position: absolute;
    width: 100%;
    left: 0;
    top: 0;
    display: none;
}
.mobile-menu-area .logo-mobile {
    width: auto;
    text-align: center;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    margin: 0;
}
.mobile-menu-area .logo-mobile > ul {
    width: 80%;
    padding-left: 10px;
}
.mobile-menu-area .logo-mobile > ul > h3 > a {
    color: #ED1C24;
}
.mobile-menu-area .logo-mobile > ul > h4 > a {
    color: #167ac6;
    text-transform: uppercase;
}
.menu.top-nav.menu_right_mobile > li > ul {
    width: 400px;
}
.menu.top-nav.menu_right_mobile > li > ul > li {
    margin: 0;
    padding: 10px 0;
    width: 100%;
}
.menu.top-nav.menu_right_mobile > li > ul.custom {
    width: 250px;
}
.menu.top-nav.menu_right_mobile > li > ul.custom img {
    height: 15px;
    width: 20px;
    margin-right: 10px;
}
.menu.top-nav.menu_right_mobile > li > ul.custom > li {
    padding: 8px 0;
    width: 100%;
    margin: 0;
}
.menu.top-nav.menu_right_mobile > li > ul.custom > li > a {
    padding: 0;
    font-size: 14px;
    line-height: 20px;
}
.menu.top-nav.menu_right_mobile > li > ul.custom > li:first-child {
    border-bottom: solid 1px #ddd;
    padding-bottom: 10px;
    margin-bottom: 8px;
}
.menu.top-nav.menu_right_mobile > li > ul.custom > li:last-child {
    border-top: solid 1px #ddd;
    padding-top: 15px;
    margin-top: 10px;
}
.menu.top-nav.menu_right_mobile > li > ul.notify > li {
    border-top: solid 1px #ccc;
}
.menu.top-nav.menu_right_mobile > li > ul.notify > li.title_notify {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    border-top: none;
    padding-top: 0;
}
.menu.top-nav.menu_right_mobile > li > ul > li > a {
    font-weight: 500;
    border: none;
    color: #333;
    font-size: 15px;
    display: block;
}
.menu.top-nav.menu_right_mobile > li > a {
    color: #333;
}
.menu.top-nav.menu_right_mobile > li.notification span {
    top: 0;
}

.mobile-menu-area .language {
    width: 10%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    margin: 0;
}
.mobile-menu-area .language a {
    display: block;
    margin: 0;
    margin-left: 5px;
    color: #fff;
    position: relative;
}
.mobile-menu-area .language .search {
    list-style: none;
    opacity: 0;
    visibility: hidden;
    position: absolute;
    width: 95%;
    left: 50%;
    top: 0;
    transition: all .3s ease;
    transform: translate(-50%);
    -webkit-box-shadow: 2px 2px 5px 0px rgba(153,153,153,1);
    -moz-box-shadow: 2px 2px 5px 0px rgba(153,153,153,1);
    box-shadow: 2px 2px 5px 0px rgba(153,153,153,1);
}
.mobile-menu-area .language .search {
    background: #fff;
    padding:10px;

}
.mobile-menu-area .language .search form {
    display: flex;
}
.mobile-menu-area .language .search input[type="text"] {
    border: solid 1px #ddd;
    height: 40px;
    padding: 10px;
    margin: 0;
    width: 100%;
}
.mobile-menu-area .language .search input[type="submit"] {
    border: none;
    background: url('../images/icon-search-white.png') no-repeat center;
    background-size: 35%;
    background-color: #dd1b5c;
    width: 50px;
    height: 40px;
    margin: 0;
    cursor: pointer;
}
#box-search:target {
    opacity: 1;
    visibility: visible;
    top: 18%;
}
.mobile-menu-area .language a strong {
    font-weight: normal;
}
.mobile-menu-area .language a img {
    max-width: 20px;
}

.menu-toggle {
    background: url(../images/menu.png) no-repeat center left;
    background-size: 50%;
    padding: 0;
    font-size: 12px;
    text-transform: uppercase;
    cursor: pointer;
    width: 52px;
    height: 45px;
    text-align: center;
}

menu {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    display: flex;
    transition: all .1s ease;
    will-change: transform;
    opacity: 0;
    visibility: hidden;
    z-index: 10;
    padding: 0;
    margin: 0px;
}
menu nav {
    position: relative;
    width: calc(380px* 0.9);
    flex: 0 0 calc(380px* 0.9);
    overflow: visible;
    background-color: #fff;
    box-shadow: 1px 0px 3px 0px transparent;
    transition: all .5s ease;
    transform: translateX(-380px);
    will-change: transform;
}
menu nav, menu ul {
    height: 100%;
    list-style: none;
}
menu nav {
    overflow-y: auto;
}
menu:after {
    content: "";
    display: flex;
    height: 100%;
    flex: 0 0 380px;
    background-color: rgba(136, 136, 136, 0);
    transition: background-color 0.8s, transform 0.8s;
    will-change: transform;
    z-index: -10;
    pointer-events: none;
}
menu.is-open {
    opacity: 1;
    visibility: visible;
    box-shadow: 1px 0px 3px 0px #888;
    background: rgba(0,0,0,0.65);
}
menu.is-open:after {
    background-color: rgb(14 14 14 / 80%);
    width: 100vw;
    position: absolute;
}
menu.is-open nav {
    transform: translateX(0);
    z-index: 9;
    margin: 0;
}
menu .close, menu a,
menu .back, menu .back-third {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid #ddd;
    font-size: 18px;
    line-height: 1.3;
    cursor: pointer;
    text-decoration: none;
    margin: 0;
}
menu .back i,
menu .back-third i {
    margin: 0;
}
menu .close {
    position: absolute;
    background-color: #a99968;
    color: #fff;
    cursor: pointer;
    transition: all 2s ease;
    z-index: 9;
    height: 25px;
    padding: 0;
    opacity: 0;
    border-bottom: none;
    width: 25px;
    text-align: center;
    border-radius: 100px;
    top: 5px;
    right: 5px;
}
menu.is-open .close {
    opacity: 1;
    z-index: 99;
}
menu .close i {
    line-height: 25px;
    font-size: 13px;
}
menu nav a {
    justify-content: space-between;
    color: #000;
}


menu nav .back-third {
    display: none;
}

menu nav .second-level li a {
    font-size: 16px;
    padding-left: 30px;
}
menu nav .third-level li a {
    padding-left: 40px; /* Thụt lề để thể hiện cấp độ */
}
.first-level>li>a {
    text-transform: uppercase;
}
.second-level>li>a i {
    transform: rotate(90deg);
}
.first-level>li>a i,
.second-level>li>a i {
    margin: 0;
    padding: 5px 10px;
    margin-right: -10px;
    position: relative;
    z-index: 5;
    cursor: pointer;
    transform: rotate(90deg);
}
.fa-angle-right {
    transition: transform 0.3s ease;
}
.fa-angle-right.is-open {
    transform: rotate(-90deg);
}

/* CSS tùy chọn để làm cho mũi tên nổi bật hơn (nếu cần) */
.has-children .fa-angle-right {
    display: inline-block;
}
menu.is-first-level nav .second-level.is-second-level {
    transform: translateX(0%);
    visibility: visible;
    opacity: 1;
}
.menu_right_mobile li {
    float: left;
    margin-left: 15px;
    list-style: none;
    line-height: 0;
    position: relative;
}
.menu_right_mobile li:first-child {
    margin-left: 0;
}
.menu_right_mobile li i {
    color: #fff;
    font-size: 18px;
}
.menu_right_mobile img {
    width: 20px;
    height: auto;
    border: solid #FFF 2px;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
}

/* CSS hiển thị menu sổ xuống cho cả cấp 2 và cấp 3 */
.second-level.is-visible, .third-level.is-visible {
    display: block !important;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease;
    position: relative;
    width: 100%;
}

/* Mặc định ẩn các menu con */
.second-level, .third-level {
    display: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

/* Đảm bảo menu con hiển thị đúng vị trí */
.first-level > li {
    position: relative;
}

.second-level {
    position: absolute;
    left: 0;
    top: 100%;
    width: 200px; /* Điều chỉnh chiều rộng phù hợp */
    z-index: 100;
    background: #fff; /* Màu nền menu */
}

.second-level > li {
    position: relative;
}

.third-level {
    position: absolute;
    left: 0%;
    top: 0;
    width: 100%; /* Điều chỉnh chiều rộng phù hợp */
    z-index: 101;
    background: #fff; /* Màu nền menu */
}

/* Style cho các mục menu */
.first-level li, .second-level li, .third-level li {
    padding: 0;
    margin: 0;
    list-style: none;
}


/* Style cho icon mũi tên */
.fa-angle-right {
    float: right;
    margin-top: 4px;
}

/* Style cho menu mobile khi mở */
.menu-mobi.is-open {
    display: block;
    transform: translateX(0);
}

/* Responsive styling */
@media (max-width: 768px) {
    .second-level, .third-level {
        position: static;
        width: 100%;
        box-shadow: none;
    }

    .second-level > li > a, .third-level > li > a {
        padding-left: 25px;
    }

    .third-level > li > a {
        padding-left: 35px;
    }
}



@media screen and (max-width: 1366px) {
    .ce-bodytext h2 {
        font-size: 90px;
        line-height: 100px;
    }
    .banner li,
    .load_top_id_2>img {
        height: 650px;
    }
    .load_top_id_2>img,
    .bannerMain .swiper-slide img.zoom-effect {
        transform-origin: center; center;
        object-position: center; center;
    }
    .dichvu-col-3 .col-2 {
        width: 35%;
    }
    .tintuc_id .swiper-button-next {
        right: 0;
    }
    .tintuc_id .swiper-button-prev {
        left: 0;
    }
}
@media screen and (max-width: 1220px) {
    .mobile-menu-area .header_mid_mobile {
        border: none;
        position: relative;
        padding: 0;
    }
    .pagewrap {
        width: 100%;
        padding: 0 15px;
    }
    * {
        margin: 0px auto;
        padding: 0px;
        outline: none;
        text-decoration: none;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }
    .col1-ab {
        font-size: 30px;
        line-height: 60px;
    }
    .tintuc_id .swiper-button-next,
    .tintuc_id .swiper-button-prev {
        color: #fff;
        --swiper-navigation-size: 15px;
    }
    .swiper.mySwiper1 .swiper-button-next,
    .swiper.mySwiper1 .swiper-button-prev {
        padding: 20px 10px;
        --swiper-navigation-size: 15px;
    }
    .tintuc_id .swiper-button-next {
        right: 10px;
        background: #ad9861;
        padding: 20px 10px;
    }
    .tintuc_id .swiper-button-prev {
        left: 10px;
        background: #ad9861;
        padding: 20px 10px;
    }
    .title_gt_home ul h2,
    .titBox .tit,
    .titBox .tit_2 {
        font-size: 30px;
        line-height: 45px;
    }
    .conten {
        overflow: hidden;
    }
    .camnhan_hv_home ul {
        width: 100%;
        margin: 0;
    }
    .placeSlide_main {
        padding: 0 50px;
    }
    .ce-bodytext h2 {
        font-size: 65px;
        line-height: 100px;
    }
    .sanpham-thesound h2 {
        font-size: 25px;
        line-height: 40px;
    }
    .col-column-full,
    .video_home_id,
    .title_gt_home {
        width: 85%;
    }
    .pagewrap.page_conten_page {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .home-video-popup {
        height: 500px;
    }
    .list_pro_width70 {
        width: 70%;
    }
    .dichvu-col-3 .col-2 {
        padding: 0 15px;
    }
    .cauchuyen-col-1 {
        align-items: flex-start;
    }
    .bannerMain .bodytext-custom {
        width: 100%;
        padding: 0 70px;
    }
    .col-column-full {
        width: 100% !important;
    }
}

@media screen and (max-width: 1024px) {
    .box_menu {
        display: none;
    }
    .mobile-menu-area .header_mid_mobile>div {
        margin: 0;
    }
    .top-nav.menu_right_mobile {
        margin: 0;
    }
    .mobile-menu-area .header_mid_mobile,
    .mobile-menu-area {
        display: flex;
    }
    .container-fluid,
    .col-column-full,
    .video_home_id, .title_gt_home,
    .noidung,
    .title_news,.dichvu-col,
    .sanpham-lienquan,
    .banner_sp_dt ul p,
    .titBox.titBox-add {
        width: 100%;
    }
    .logo_doitac_home .list_logo_home {
        width: 65%;
    }
    .sanpham-cauchuyen .tit {
        font-size: 23px;
        line-height: 35px;
    }
    .sanpham-lienquan .swiper-1-next{
        right: 10px;
    }
    .sanpham-lienquan .swiper-1-prev{
        left: 10px;
    }
    .pagewrap.page_conten_page .pagewrap {
        padding-left: 0;
        padding-right: 0;
    }
    .col2-right>img:nth-child(2) {
        width: 100% !important;
    }
    .dv-chv3 p {
        display: -webkit-box;
        -webkit-line-clamp: 6;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

@media screen and (max-width: 992px) {
    .camnhan_hv_home .swiper-4-next,
    .camnhan_hv_home .swiper-4-prev {
        right: 5px;
        --swiper-navigation-size: 15px;
        padding: 15px 8px;
        background: #ad9861;
        color: #fff;
    }
    .camnhan_hv_home .swiper-4-prev {
        right: inherit;
        left: 5px;
    }
    .swiper.mySwiper1 .swiper-button-next,
    .swiper.mySwiper1 .swiper-button-prev,
    .tintuc_id .swiper-button-next,
    .tintuc_id .swiper-button-prev {
        padding: 15px 8px;
        --swiper-navigation-size: 15px;
    }
    .video_sologan_home .camnhan_hv_home {
        width: 100%;
    }
    .silde_den ul li img {
        width: 100%;
        height: auto;
    }
    .sanpham-thesound h2 {
        font-size: 20px;
        line-height: 30px;
    }
    .col1-ab {
        width: 100%;
        left: 0;
        text-align: center;
    }
    .dichvu-col1-full>img {
        height: 630px;
    }
    .col2-right>img {
        width: 100% !important;
        height: auto !important;
    }
    .col2-left {
        padding: 175px 25px 0 0;
    }
    .dichvu-col2-full {
        padding-bottom: 35px;
    }
    .video_home_id ul h3 a {
        -webkit-line-clamp: 2;
    }
    .camnhan_hv_home ul {
        align-items: center;
    }
    .list_pro_home ul {
        padding: 35px 40px;
    }
    .dichvu-col-3 .col-3 img {
        width: 450px;
    }
    .cauchuyen-col img,
    .cauchuyen-col-1 {
        width: 90%;
    }
    .cauchuyen-col:after {
        right: -123%;
    }
    .sanpham-cauchuyen-col2 .cauchuyen-col:after {
        left: -120%;
    }
}

@media screen and (max-width: 812px) {
    .silde_den ul.first-child:before {
        display: none;
    }
    .list_pro_width70 {
        width: 80%;
    }
    .why_home_id ul {
        margin-bottom: 15px;
    }
    .video_sologan_home h2,
    .titBox .tit, .titBox .tit_2 {
        font-size: 30px;
        line-height: 42px;
    }
    .tintuc_id ul {
        width: calc(100%/2 - 26px);
    }
    .product_id ul {
        width: calc(100%/2 - 22px);
    }
    .ce-bodytext h2 {
        font-size: 50px;
        line-height: 70px;
    }
    .bannerMain .swiper-button-prev,
    .bannerMain .swiper-button-next {
        --swiper-navigation-size: 27px
    }
    .home-video-popup {
        height: 420px;
    }
    .home-video.sanpham-video:before,
    .home-video.sanpham-video:after {
        height: 400px;
    }
    .mapps iframe {
        width: 100% !important;
    }
    .logo_doitac_home .list_logo_home {
        width: 80%;
    }
    .col-left {
        width: 55%;
    }
    .accordion {
        width: 100%;
    }
    .video_home_id,
    .col-column-full {
        flex-wrap: wrap;
        justify-content: center;
        margin-bottom: 0px !important;
    }
    .video_home_id ul,.col-left {
        width: 100%;
        margin-top: 0px;
        order: 2;
        background: #efece4;
        padding: 20px;
    }
    .video_home_id li,
    .col-right {
        width: 100%;
        order: 1;
        margin: 0;
        text-align: center;
    }
    .video_home_id .col-p.align-right p,
    .col-left .col-left-p.align-right,
    .video_home_id ul h3.align-right,
    .sanpham-thesound h2.align-right,
    .video_home_id.video_home_id2 ul p{
        text-align: left;
    }
    .video_home_id2 .page_p_bg {
        transform: translateX(0%);
    }
    .video_home_id li img,
    .col-right img {
        width: 100%;
    }
    .page_p_bg {
        width: 100%;
        height: auto;
        transform: translateX(0px) !important;
    }
    .sanpham-thesound.sanpham-thesound-2 .col-left .col-left-p {
        width: 100%;
        right: 0;
    }
    .page_p_bg>.col-p {
        position: relative;
        width: 100%;
        top: 0;
        transform: translateX(0px);
        padding: 0px;
        padding-bottom: 0px;
        right: 0;
    }
    .video_home_id.video_home_id2 ul p:last-child {
        margin-bottom: 0;
    }
    .col-left .col-left-p {
        position: relative;
        z-index: 2;
        width: 100%;
        padding: 0px;
        right: 0;
        top: 0;
        transform: translateY(0%);
        padding-bottom: 0px;
    }
    .col-left .col-left-p.align-right {
        padding: 0 !important;
    }
    .sanpham-thesound.sanpham-thesound-2 .col-left {
        background: #e1e1e1;
    }
    .sanpham-thesound.sanpham-chitiet .col-left {
        background: #efece4 !important
    }
    .sanpham-thesound.sanpham-thesound-3 .col-left {
        background: #a0a5a817;
    }
    .sanpham-thesound.sanpham-hoffmann .col-left {
        background: #067b7b14;
    }
    .sanpham-thesound.sanpham-hoffmann-3 .col-left {
        background: #327eac14;
    }
    .sanpham-thesound.sanpham-thesound-3 .page_p_bg,
    .sanpham-thesound.sanpham-hoffmann-3 .page_p_bg,
    .sanpham-thesound.sanpham-hoffmann .page_p_bg {
        background: none;
    }
    .col-left .col-left-p>img {
        top: 50%;
        transform: translateY(-50%) translateX(-50%);
        left: 50% !important;
    }
    .sanpham-thesound h2 {
        font-size: 23px;
        line-height: 35px;
        height: auto !important;
    }
    .nums {
        margin-top: 0px !important;
    }
    .dichvu-col-3 {
        flex-wrap: wrap;
        padding-bottom: 0px !important;
    }
    .dichvu-col-3 .col-2 {
        width: 100%;
        text-align: center;
        margin: auto;
        margin-top: 30px;
        order: 3;
    }
    .dichvu-col-3 .col-5 {
        width: 100%;
    }
    .dichvu-col-3 .col-2>.align-right {
        text-align: center;
    }
    .dichvu-col-3 .col-3 img,
    .dichvu-col-3.dichvu-col-31 .col-3 img {
        top: 30%;
        left: 50%;
    }
    .col-5 img {
        height: 420px;
    }
    .video_home_id ul h3 {
        width: 100%;
    }
    .video_home_id.video_home_id2 ul h3 {
        margin-left: 0;
    }
    .banner li,
    .load_top_id_2>img {
        height: 550px;
    }
    .dichvu-col1-full {
        margin-top: 25px;
    }
}

@media screen and (max-width: 768px) {
    .list_pro_width70 .swiper-3-next,
    .list_pro_width70 .swiper-3-prev {
        right: 5px;
        --swiper-navigation-size: 15px;
        padding: 15px 8px;
        background: #fff;
    }
    .list_pro_width70 .swiper-3-prev {
        right: inherit;
        left: 5px;
    }
    .cauchuyen-col img,
    .list_pro_width70,
    .cauchuyen-col-1 {
        width: 100%;
    }
    .cauchuyen-col:after {
        right: -116%;
    }
    .sanpham-cauchuyen-col2 .cauchuyen-col:after {
        left: -116%;
    }
    .list_pro_width70 .swiper-button-next,
    .list_pro_width70 .swiper-button-prev {
        right: 5px;
        --swiper-navigation-size: 12px;
        padding: 12px 7px;
        background: #fff;
    }
    .list_pro_width70 .swiper-button-prev {
        right: initial;
        left: 5px;
    }
    .sanpham-thesound.daily-custom .col-left-p {
        margin-top: 15px;
    }
    .mapps iframe {
        height: 350px !important;
    }
    .page_conten_page .video_home_id li,
    .page_conten_page .video_home_id ul {
        width: 100%;
    }
    .page_conten_page .video_home_id {
        display: flex;
        display: -webkit-flex;
        flex-wrap: wrap;
        -webkit-flex-wrap: wrap;
    }
    .sanpham-thesound.daily-custom h2 {
        color: #333 !important;
        font-size: 25px;
        line-height: 35px;
    }
    .dichvu-col-left {
        width: 100%;
        padding-right: 0;
    }
    .dichvu-col-right {
        width: 100%;
        margin-top: 25px;
    }
    .why_home_id ul {
        margin: 0 7px;
    }
    .why_home_id ul li img {
        height: 25px;
    }
    .why_home_id ul>a>img {
        height: 80px;
    }
    .why_home_id ul h3 {
        font-size: 13px;
    }
    .why_home_id ul li>a {
        width: 45px;
        height: 45px;
    }
    .thongtin-right {
        width: calc(100% - 170px);
        padding: 0 0 0 25px;
    }
    .camnhan_hv_home ul {
        flex-wrap: wrap;
    }
    .camnhan_hv_home ul h3,
    .camnhan_hv_home ul p {
        text-align: left;
    }
    .camnhan_hv_home ul li:nth-child(3) {
        display: none;
    }
    .banner_sp_dt .menu-child li {
        margin-bottom: 10px;
    }
    .logo-sanpham-b {
        margin-top: 0;
    }
    .hinhanh_ct .swiper-horizontal>.swiper-pagination-progressbar,
    .hinhanh_ct .swiper-pagination-progressbar.swiper-pagination-horizontal {
        bottom: 15px;
    }
    .logo_doitac_home .list_pro_home ul {
        padding: 3px 37px;
    }
    .sanpham-thesound .col-column-full {
        padding-top: 0px;
        padding-bottom: 20px;
    }
    .bottom_more {
        margin: 0px auto 25px;
    }
    .col-column-full img {
        height: 550px;
        object-fit: cover;
    }
}

@media screen and (max-width: 667px) {
    .cauchuyen-col-1 {
        align-items: flex-start;
        width: 100%;
        padding: 10px 20px 20px;
        margin-top: 0 !important;
    }
    .sanpham-cauchuyen:before {
        display: none;
    }
    .cauchuyen-col:after {
        content: '';
        position: absolute;
        background: #a99968;
        width: 100%;
        height: 75%;
        right: 0;
        z-index: 0;
        bottom: 0;
        clip-path: none;
    }
    .sanpham-cauchuyen .tit {
        text-align: center !important;
    }
    .cauchuyen-col-1>p {
        padding-left: 25px;
    }
    .sanpham-cauchuyen-col2 .cauchuyen-col .cauchuyen-col-1>p {
        padding-right: 25px;
    }
    .cauchuyen-col {
        margin-bottom: 0px !important;
    }
    .sanpham-cauchuyen-col2 .cauchuyen-col:after {
        left: 0;
        clip-path: none;
    }
    .logo_doitac_home .list_logo_home {
        width: 90%;
    }
    .column_hinhanh {
        padding: 10px 0 30px;
    }
    .hinhanh_ct .swiper-pagination-progressbar.swiper-pagination-horizontal {
        bottom: 0px;
    }
    .col1-ab h2 {
        font-size: 25px;
        line-height: 40px;
    }
    .dichvu-col1-full,
    .dichvu-col1-full>img {
        height: 400px;
    }
    .home-video-popup,
    .mota-video {
        width: 100%;
    }
}
@media screen and (max-width: 600px) {
    .thongtin-right {
        width: 100%;
        padding-left: 0;
        padding-top: 20px;
    }
    .col-column-full img {
        height: 440px;
    }
    .camnhan_hv_home ul {
        display: flex;
        display: -webkit-flex;
        flex-wrap: wrap;
        -webkit-flex-wrap: wrap;
    }
    .tintuc_id ul {
        width: calc(100% / 1 - 0px);
        margin-left: 0;
        margin-right: 0;
    }
    .product_id ul {
        width: calc(100% / 1 - 0px);
        margin-left: 0;
        margin-right: 0;
    }
    .product_id {
        margin-left: 0;
        margin-right: 0;
        padding-top: 0;
    }
    .title_gt_home ul h3 {
        font-size: 30px;
        line-height: 42px;
    }
    .ce-bodytext h2 {
        font-size: 45px;
        line-height: 55px;
    }
    .banner li {
        height: 440px;
    }
    .load_top_id_2 .banner-image {
        height: 440px;
        object-fit: cover;
    }
    .title_news iframe,
    .titBox.titBox-add iframe {
        height: 420px !important;
    }
    .ce-bodytext p {
        letter-spacing: 1px;
    }
    .company_footer {
        width: 100%;
        margin-left: 0;
    }
    .dangkynhantin_footer ul form input {
        width: 100%;
        margin: 0;
        margin-bottom: 15px;
    }
    .home-video-popup .video-trigger {
        padding: 10px 15px;
    }
    .home-video-popup .video-trigger>i {
        font-size: 22px;
    }
    .home-video.sanpham-video:before, .home-video.sanpham-video:after {
        height: 300px;
    }
    .logo_doitac_home .list_pro_home ul {
        padding: 10px 25px;
        border: none;
    }
    .silde_den ul {
        width: 100%;
        margin: 20px 0 0;
    }
    .silde_den ul:nth-child(2) {
        margin-top: 10px;
    }
    .silde_den ul li img {
        height: auto;
        width: 70%;
    }
    .banner_sp_dt ul h4 {
        font-size: 30px;
        line-height: 40px;
    }
    .sanpham-thesound h2>span {
        display: inline-block;
        padding-left: 10px;
    }
    .logo-t.flex {
        position: relative;
    }
    .logo-t.flex img:nth-child(1) {
        height: 50px;
    }
    .logo-t.flex img:nth-child(2) {
        height: 70px;
    }
    .sp-hotline {
        font-size: 20px;
    }
    .padding_pagewrap {
        padding: 0;
    }
    .video_home_id li img, .col-right img {
        width: 100%;
    }
    .video_sologan_home h2,
    .titBox .tit, .titBox .tit_2 {
        font-size: 25px !important;
        line-height: 35px;
    }
    .why_home_id {
        padding-top: 35px;
        padding-bottom: 35px;
    }
    .video_sologan_home {
        padding-top: 50px;
        padding-bottom: 50px;
    }
    .camnhan_hv_home ul h3 {
        font-size: 20px;
        line-height: 30px;
        text-align: center;
    }
    .swiper-2-next {
        right: -25px;
    }
    .swiper-2-prev {
        left: -25px;
    }
    .dichvu-col-3 .col-2 {
        width: 100%;
    }
    .hinhanh_ct .mySwiper-sp {
        width: 80%;
    }
    .logo-sanpham-ab>img {
        top: -175px;
        width: 80px;
        background: none;
    }
    .sanpham-thesound.sanpham-thesound-2 h2 {
        margin-bottom: 0;
    }
    .cauchuyen-col-1 {
        flex-wrap: wrap;
    }
    .cauchuyen-col-1>h3 {
        font-size: 35px;
        order: 1;
        margin: 0;
        text-align: left;
    }
    .cauchuyen-col-1>p {
        order: 2;
        padding: 0;
        width: 100%;
    }
    .hethongtoancau_home img {
        height: auto;
        max-height: 500px;
    }
    .list_pro_custom .list_pro_home ul {
        padding-top: 20px;
        padding-bottom: 20px;
    }
    .column_hinhanh .swiper-slide ul {
        padding: 15px;
    }
}
@media screen and (max-width: 599px) {
    .column_hinhanh .mySwiper3 {
        padding-top: 0;
    }
    .box_home_top {
        margin-top: 40px;
    }
    .box_video_home {
        padding-top: 30px;
    }
    .title_gt_home ul h2,
    .titBox .tit, .titBox .tit_2 {
        font-size: 25px;
        line-height: 40px;
    }
    .logo_doitac_home,
    .video_sologan_home {
        padding: 40px 0;
    }
    .conten>.pagewrap>.title_gt_home {
        padding-top: 40px !important;
    }
    .banner_sp_dt {
        padding-top: 40px;
    }
    .col-column-full {
        padding-bottom: 40px;
    }
}
@media screen and (max-width: 520px) {
    .banner li,
    .load_top_id_2 .banner-image {
        height: 360px;
    }
    .ce-bodytext h2 {
        font-size: 40px;
        line-height: 50px;
        letter-spacing: 7px;
    }
    .home-video-popup {
        height: 350px;
    }
    .title_news iframe,
    .titBox.titBox-add iframe {
        height: 340px !important;
    }
}
@media screen and (max-width: 480px) {
    .menu-child {
        display: none;
    }
    .dichvu-col1-full,
    .dichvu-col1-full>img {
        height: 300px;
    }
    .dichvu-col2-full {
        margin-top: -70px;
    }
    .col-column-full img {
        height: 360px;
    }
    .video_home_id li,
    .home-video-popup,
    .mota-video {
        width: 100%;
    }
    .mota-video {
        font-size: 13px;
        line-height: 20px;
        padding: 7px 0;
    }
    .sanpham-cauchuyen:before {
        margin-top: -25px;
    }
    .sanpham-lienquan .swiper-1-next,
    .sanpham-lienquan .swiper-1-prev {
        display: none;
    }
    .dichvu-col-3 .col-3 img {
        width: 94%;
    }
    .page_p_bg>.col-p,
    .col-left .col-left-p {
        padding: 0;
    }
    .video_home_id ul p:last-child {
        margin-bottom: 0;
    }
    .col1-ab {
        padding-left: 20px;
        padding-right: 20px;
        top: 38%;
    }
    .col2-left {
        padding: 100px 25px 0 0;
    }
    .tintuc_home {
        padding: 35px 0;
    }
    .ce-bodytext h2 {
        font-size: 35px;
        line-height: 45px;
    }
    .why_home_id>.flex {
        align-items: flex-start;
        flex-wrap: nowrap;
        flex-direction: initial;
        height: 100px;
        padding-bottom: 6px;
        width: 100%;
        justify-content: flex-start;
        overflow: hidden;
        overflow-x: scroll;
    }
    .ce-bodytext {
        padding: 0 30px;
    }
    .silde_den ul li img {
        width: 100%;
    }
    .list_pro_home ul {
        padding: 25px 35px;
    }
    .video_home_id ul h3 a,
    .title_news h2 {
        font-size: 18px;
        line-height: 27px;
    }
    .page_conten_page .video_home_id ul h3 a {
        margin-bottom: 11px;
    }
    .tintuc_home .tintuc_id {
        margin: 0;
        padding: 0;
        margin-bottom: 20px;
    }
    .truso-column .tintuc_id ul {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }
    .logo_right_footer {
        width: 100%;
    }
    .logo_right_footer div a {
        margin-bottom: 10px;
        display: inline-block;
    }
    .accordion__title {
        font-size: 20px;
    }
    .video_home_id ul p {
        font-size: 15px;
        line-height: 26px;
        margin-bottom: 10px;
    }
    .nums a {
        margin-bottom: 10px;
    }
    .logo-sanpham-b>img {
        width: 50%;
        height: auto;
    }
    .banner_sp_dt .menu-child li,
    .banner_sp_dt .menu-child li a {
        width: 100%;
        display: block;
        margin: 0;
    }
    .banner_sp_dt .menu-child li a {
        font-weight: 500;
    }
    .home-video.sanpham-video:before,
    .home-video.sanpham-video:after {
        display: none;
    }
    .home-video.sanpham-video {
        padding-bottom: 0;
    }
    .home-video.sanpham-video .pagewrap {
        padding: 0 15px;
    }
    .video_sologan_home .pagewrap>h3 {
        font-size: 14px;
        line-height: 25px;
    }
    .dv-chv3 {
        padding: 10px;
    }
    .dv-chv3 p {
        padding: 0;
        text-align: center;
        color: #fff;
        margin-bottom: 5px;
        font-size: 12px;
        line-height: 17px;
    }
    .dv-chv3 h3 {
        font-size: 14px;
        line-height: 20px;
    }
    .sanpham-thesound h2,
    .sanpham-thesound.sanpham-thesound-2 h2,
    .video_home_id ul h3 {
        margin-bottom: 10px;
    }
    .video_home_id ul, .col-left {
        background: #efece4;
        padding: 20px !important;
    }
    .hinhanh_ct .mySwiper-sp {
        width: 100%;
    }
    .hinhanh_ct .swiper-button-prev,
    .hinhanh_ct .swiper-button-next {
        display: none;
    }
    .logo-sanpham-b .maso {
        font-size: 50px;
        line-height: 60px;
    }
    .logo-sanpham-b .maso>span {
        font-size: 33px;
    }
    .titBox.titBox-add iframe {
        height: 350px !important;
    }
    .product_id ul h3 {
        font-size: 20px;
        line-height: 27px;
    }
    .sanpham-cauchuyen .tit,
    .sanpham-thesound h2 {
        font-size: 20px;
        line-height: 30px;
    }
    .banner_sp_dt ul h3 img {
        width: 100%;
        height: 50px !important;
        object-fit: contain;
    }
    .bottom_more {
        margin: 10px auto;
    }
    .cauchuyen-col-1>h3 {
        font-size: 30px;
    }
    .dichvu-col-3 .col-3 {
        padding: 0 15px;
    }
    .tintuc_home.tintuc_chitiet {
        margin-top: 40px;
        padding-top: 35px;
    }
}
@media screen and (max-width: 414px) {
    menu nav {
        width: calc(300px* 0.9);
        flex: 0 0 calc(300px* 0.9);
    }
    .logo_doitac_home .list_pro_home ul li {
        min-height: 60px;
    }
    .logo_doitac_home .list_pro_home ul li img {
        height: 60px;
    }
    .cauchuyen-col-1 {
        flex-wrap: wrap;
    }
    .col1-ab h2 {
        font-size: 20px;
        line-height: 30px;
    }
    .list_pro_home ul {
        padding: 15px 23px;
    }
    .cauchuyen-col-1>h3 {
        margin: 0;
        text-align: left;
        order: 1;
        font-size: 28px;
    }
    .cauchuyen-col-1>p {
        width: 100%;
        padding-left: 0;
        order: 2;
    }
    .column_hinhanh .swiper-slide h3 {
        font-size: 17px;
    }
    .home-video-popup .video-trigger {
        padding: 11px 15px;
        border-radius: 7px;
    }
    .home-video-popup .video-trigger>i {
        font-size: 23px;
    }
    .camnhan_hv_home>img {
        display: none;
    }
    .video_sologan_home {
        padding-bottom: 50px;
    }
    .home-video-popup {
        height: 250px;
    }
    .video_home_id {
        margin-bottom: 25px;
    }
    .logo-sanpham-ab>img {
        top: -125px;
    }
    .hinhanh_ct .swiper-pagination-progressbar.swiper-pagination-horizontal {
        display: none;
    }
    .video_sologan_home h2,
    .titBox .tit, .titBox .tit_2,
    .title_gt_home ul h2 {
        font-size: 20px !important;
        line-height: 30px !important;
    }
    .sanpham-thesound h2 {
        font-size: 20px;
        line-height: 30px;
    }
    .titBox.titBox-add iframe {
        height: 300px !important;
    }
    .sanpham-cauchuyen {
        padding-bottom: 35px;
    }
    .titBox.left {
        margin-left: 0;
        margin-right: 0;
        margin-bottom: 35px;
    }
    .accordion__title {
        font-size: 17px;
        padding-left: 10px;
        padding-right: 10px;
    }
    .accordion__title>img {
        height: 25px;
    }
    .accordion__title::after {
        width: 0.5em;
        height: 0.5em;
    }
    .product_id ul {
        padding: 15px;
    }
    .banner_sp_dt ul h3 {
        font-size: 28px;
        line-height: 35px;
    }
    .col-5 img {
        height: 350px;
    }
    .ce-bodytext h2 {
        font-size: 30px;
        line-height: 40px;
    }
    .banner li,
    .load_top_id_2 .banner-image {
        height: 300px;
    }
    .col-column-full img {
        height: 300px;
    }
    .home-video-popup {
        height: 280px;
    }
    .title_news iframe,
    .titBox.titBox-add iframe {
        height: 280px !important;
    }
}


@media screen and (max-width: 375px) {
    .video_sologan_home .pagewrap>h3 {
        font-size: 14px;
        line-height: 23px;
    }
    .dv-chv3 h3 {
        display: none;
    }
    .video_sologan_home h2,
    .titBox .tit, .titBox .tit_2 {
        font-size: 18px !important;
    }
    .titBox.titBox-add iframe {
        height: 250px !important;
    }
}