.setting-menu.scrolled {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1033;
}

.fs-13 {
    font-size: 1.3rem !important;
}

.fs-14 {
    font-size: 1.4rem !important;
}

.fs-15 {
    font-size: 1.5rem !important;
}

.fs-16 {
    font-size: 1.6rem !important;
}

.fs-17 {
    font-size: 1.7rem !important;
}

.fs-18 {
    font-size: 1.8rem !important;
}

.fs-20 {
    font-size: 2rem !important;
}

.fs-24 {
    font-size: 2.4rem !important;
}

.fs-25 {
    font-size: 2.5rem !important;
}

.fs-26 {
    font-size: 2.6rem !important;
}

.fs-28 {
    font-size: 2.8rem !important;
}

.fs-30 {
    font-size: 3rem !important;
}

.fs-36 {
    font-size: 3.6rem !important;
}

.fs-48 {
    font-size: 4.8rem !important;
}

.color-text {
    color: var(--color-text);
}

.font-weight-500 {
    font-weight: 500;
}

.font-weight-600 {
    font-weight: 600;
}

.font-weight-800 {
    font-weight: 800;
}

.font-weight-900 {
    font-weight: 900;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    line-height: 1.4;
}

.btn-submit i , .btn-detail i {
    font-size: 1.2rem;
}

.shadow-1 {
    box-shadow: 0px 0px 24px 0px rgba(0, 0, 0, 0.08);
}

.rounded-5 {
    border-radius: 0.5rem;
}

.rounded-8 {
    border-radius: 0.8rem;
}

.rounded-10 {
    border-radius: 1rem;
}

.rounded-16 {
    border-radius: 1.6rem;
}

.hover-img {
    overflow: hidden;
}

.hover-img img {
    transition: filter .6s, opacity .6s, transform .6s, box-shadow .3s;
}

.hover-img:hover img {
    -ms-transform: scale(1.1);
    transform: scale(1.1);
}

.object-scale {
    object-fit: scale-down !important;
}

.bg-second {
    background: var(--color-second);
}

.color-second {
    color: var(--color-second);
}

.bg-highlight-alt {
    background: var(--color-highlight-alt);
}

.color-highlight-alt {
    color: var(--color-highlight-alt);
}

.btn-red {
    background: var(--red);
}

html {
    scroll-behavior: smooth;
}

.btn-submit-cus {
    border-radius: 5px 20px 5px 20px;
    padding: 1.3rem 3rem;
    font-size: 1.6rem;
}

.btn-submit-cus:hover {
    background: var(--color-second);
    border-color: var(--color-second);
    color: white;
}

.container, .container-fluid, .container-sm, .container-md, .container-lg, .container-xl {
    padding-right: 1.2rem;
    padding-left: 1.2rem;
}

[class^="col-"] {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
}

.row:not(.no-gutters) {
    margin-right: -1.2rem;
    margin-left: -1.2rem;
}

.language-section {
    padding: 0.8rem 0;
}

.language-section a img {
    width: 16px;
    height: 16px;
    object-fit: cover;
    border-radius: 0.2rem;
    vertical-align: inherit;
}

.language-section .item:last-child {
    position: relative;
    padding-left: 0.8rem;
    margin-left: 0.8rem;
}

.language-section .item:last-child:before {
    content: '';
    position: absolute;
    background: rgba(217, 217, 217, 0.3);
    width: 0.1rem;
    height: 2.4rem;
    left: 0;
    top: -0.4rem;
}

.language-section .item:last-child img {
    border: 1px solid #ECF0F4
}

.head-mid >.container> .row > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
 /* 
.logo-section span {
   line-height: 100%; 
}
*/
.hotline-contact .info a i {
    width: 3.4rem;
    height: 3.4rem;
    line-height: 3.4rem;
    text-align: center;
}

.hotline-contact .info .hotline {
    line-height: 100%;
}

.hotline-contact .btn-submit {
    padding: 0.85rem 3rem;
}

.hotline-contact .btn-submit:hover {
    background-color: var(--color-second);
    color: white;
    box-shadow: 0px 4px 10px 0px rgba(61, 218, 253, 0.4);
}

.setting-menu >.container> .row > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.menu-section > ul > li:first-child {
    margin-left: 0;
}

.search-section input::-webkit-input-placeholder {
    color: #fff;
}

.search-section input:-moz-placeholder {
    color: #fff;
}

.search-section input::-moz-placeholder {
    color: #fff;
}

.search-section input:-ms-input-placeholder {
    color: #fff;
}

.banner-video {
    position: relative;
    width: 100%;
    padding-top: 37%;
    height: 100%;
}

.banner-video .banner-bg {
    overflow: hidden;
}

.banner-video .fill {
    height: 100%;
    left: 0;
    margin: 0 !important;
    padding: 0 !important;
    position: absolute;
    right: 0;
    top: 0;
}

.banner-video .overlay {
    background: linear-gradient(81.4deg, rgba(0, 0, 0, 0.6) 9.14%, rgba(5, 37, 51, 0.464423) 30.31%, rgba(21, 164, 226, 0) 62.83%), linear-gradient(0deg, rgba(0, 31, 16, 0.22), rgba(0, 31, 16, 0.22));
    height: 100%;
    left: -1px;
    pointer-events: none;
    right: -1px;
    top: 0;
    transition: transform .3s, opacity .6s;
    bottom: 0;
    position: absolute;
}

.banner-video .video-bg {
    -o-object-fit: cover;
    object-fit: cover;
    -o-object-position: 50% 50%;
    object-position: 50% 50%;
    width: 100%;
}

.banner-video .banner-layers .left .title-sub {
    background: rgba(208, 250, 229, 0.5);
    padding: 0.7rem 1.6rem;
}

.banner-video .banner-layers .left .title {
    line-height: 6.3rem;
    letter-spacing: -4%;
}

.banner-video .banner-layers .left .title span {
    color: #5DEF86;
}

.btn-detail {
    background: white;
    color: var(--color-highlight-alt);
    border: 1px solid var(--color-highlight-alt);
    font-size: 1.4rem;
    font-weight: 500;
    -webkit-transition: all 500ms ease;
    transition: all 500ms ease;
    border-radius: 0.8rem;
    padding: 1.175rem 2rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.btn-detail:hover {
    background: var(--color-highlight);
    color: white;
    border: 1px solid #5DEF86;
    box-shadow: 0px 4px 10px 0px rgba(61, 218, 253, 0.4);
}

.btn-w {
    max-width: 23rem;
    width: 100%;
}

.banner-video .banner-layers .right {
    background: rgb(255 255 255 / 80%);
    box-shadow: 0px 12px 24px 0px #181D170F;
    backdrop-filter: blur(12px);
    padding: 2.4rem;
}

.banner-video .banner-content {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
}

.title-section {
    font-size: 4.8rem;
    font-weight: bold;
    letter-spacing: -3%;
    margin-bottom: 1.5rem;
}

.title-section span {
    border-bottom: 2px solid var(--color-highlight-alt);
}

.nangluc-section .content {
    max-width: 1278px;
    margin: 0 auto;
}

.nangluc-section .item {
    padding: 2.4rem;
    cursor: pointer;
    -webkit-transition: all 500ms ease;
    transition: all 500ms ease;
}

.nangluc-section .item:hover {
    background: var(--color-highlight-alt);
}

.nangluc-section .item img {
    width: 10.4rem;
    height: 10.4rem;
    object-fit: scale-down;
}

.nangluc-section .item .title {
    letter-spacing: -4%;
}

.camket-section:before {
    content: '';
    background: rgba(255, 255, 255, 0.1);
    position: absolute;
    width: 25%;
    height: 50%;
    bottom: 0;
    border-top-left-radius: 8px;
    left: 25%;
}

.camket-section .left {
    padding: 5.6rem;
}

.camket-section .left .logo img {
    width: 14.4rem;
}

.camket-section>.row>div:last-child {
    border-left: 1px solid white;
}

.camket-section .right .item {
    border-left: 1px solid white;
    border-right: 1px solid white;
}

.camket-section .right .item:nth-child(1), .camket-section .right .item:nth-child(2) {
    border-bottom: 1px solid white;
}

.camket-section .right .item:nth-child(3), .camket-section .right .item:nth-child(4) {
    border-top: 1px solid white;
}

.service-section .article-item {
    -webkit-transition: all 500ms ease;
    transition: all 500ms ease;
}

.service-section .article-item:hover {
    background: var(--color-highlight) !important;
}

.service-section .article-item:hover * {
    color: white !important;
}

.service-section .article-item .icon {
    box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.1);
    background: white;
    border-radius: 1.6rem;
    width: 7.7rem;
    height: 7.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 1.6rem;
    left: 1.6rem;
    z-index: 1;
}

.service-section .article-item .icon img {
    width: 4.8rem;
    height: 4.8rem;
    object-fit: scale-down;
}

.service-section .article-item:hover .icon {
    background: var(--color-highlight);
}

.service-section .article-item:hover .icon img {
    -webkit-filter: brightness(0) invert(1);
    filter: brightness(0) invert(1);
}

.service-section .article-item .inner-content, .train-section .article-item .inner-content {
    padding: 2.4rem;
}

.train-section-1 .item {
    -webkit-transition: all 500ms ease;
    transition: all 500ms ease;
    cursor: pointer;
}

.train-section-1 .item:hover {
    background: white !important;
}

.train-section-1 .item:hover * {
    color: var(--color-highlight-alt);
}

.train-section-1 .item:hover .btn-detail {
    background: var(--color-highlight);
    color: white !important;
    border-color: var(--color-highlight);
}

.train-section-1 .item:hover .btn-detail i {
    color: white !important;
}

.train-section-1 .item:before {
    content: '';
    width: 1px;
    height: 50%;
    position: absolute;
    background: #496A52;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
}

.train-section-1>.row>div:nth-child(4) .item:before {
    opacity: 0;
}

.train-section-1 .item:hover:before {
    opacity: 0;
}

.train-section-1 .item .title {
    letter-spacing: -4%;
}

.train-section-1>.row>div:last-child .item {
    background: var(--color-highlight);
}

.intro-home .title-section span {
    border-color: white !important;
}

.intro-home .inner-image:before {
    content: '';
    width: 100%;
    height: 100%;
    border-radius: 0.8rem;
    top: 0px;
    left: 0;
    transform: rotate(-175.65deg);
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
}

.partner-section .swiper-wrapper {
    -webkit-transition-timing-function: linear!important;
    transition-timing-function: linear!important;
}

.partner-section .img {
    padding-top: 27%
}

.partner-section .img img {
    -webkit-filter: grayscale(100%);
    filter: grayscale(100%);
}

.certify-section .name {
    letter-spacing: -4%;
    line-height: 120%;
}

.news-home .article-item:hover .inner-content:before {
    content: '';
    width: 0.2rem;
    height: 100%;
    left: 0;
    position: absolute;
    background: var(--color-highlight);
}

.news-home .article-item:hover .inner-content {
    padding-left: 1.5rem;
    -webkit-transition: all 500ms ease;
    transition: all 500ms ease;
}

.news-home .left {
    border-right: 1px solid rgba(230, 236, 240, 1);
}

.news-home .left .article-item .inner-image>div {
    padding-top: 50%;
}

.news-home>.row>[class^="col-"] {
    padding-right: 2.4rem;
    padding-left: 2.4rem;
}

.news-home>.row {
    margin-right: -2.4rem;
    margin-left: -2.4rem;
}

.news-home .right>.row>div:last-child {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}

.contact-section {
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    padding: 15rem 0;
}

.contact-section .title {
    letter-spacing: -3%;
    line-height: 113%;
}

.contact-section:before {
    content: '';
    background: linear-gradient(85.44deg, rgba(1, 29, 12, 0.2) 24.63%, rgba(1, 29, 12, 0) 51.74%);
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
}

.swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: var(--light);
    opacity: 1;
}

.swiper-pagination-bullet-active {
    opacity: 1;
    background: var(--color-highlight) !important;
    width: 20px !important;
    border-radius: 5rem;
}

.swiper-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet, .swiper-pagination-horizontal.swiper-pagination-bullets .swiper-pagination-bullet {
    margin: 0 4px;
}

.swiper .swiper-slide {
    height: auto;
}

footer {
    background: var(--color-highlight-alt);
}

.copyright {
    border-top: 1px solid rgb(255 255 255 / 14%);
}

.footer-menu-section ul li {
    margin-bottom: 1.5rem;
}

.footer-menu-section ul li a {
    color: var(--white);
    font-size: 1.6rem;
}

.footer-menu-section ul li a:hover {
    color: var(--color-highlight);
}

.entire-info-website .logo img {
    width: 14.4rem;
}

.breadcrumbs-section-bg {
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    padding: 12% 0;
}

.breadcrumbs-section-bg:before {
    content: '';
    background: linear-gradient(81.4deg, rgba(0, 0, 0, 0.6) 9.14%, rgba(5, 37, 51, 0.464423) 30.31%, rgba(21, 164, 226, 0) 62.83%), linear-gradient(0deg, rgba(0, 31, 16, 0.22), rgba(0, 31, 16, 0.22));
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    position: absolute;
}

.contact-page .form-group {
    margin-bottom: 2.5rem;
}

.contact-page .form-group label:not(.invalid-feedback) {
    font-size: 1.5rem;
}

.contact-page .form-group span {
    padding-left: 0.2rem;
}

.contact-page .form-group .form-control {
    border-radius: 0.5rem;
}

.contact-page.left:before {
    content: '';
    background: rgb(0 0 0 / 70%);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.contact-page .form-control {
    background: var(--light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.small-title:before,.small-title:after {
    display: block;
    margin-top: 0;
    margin-bottom: -0.2rem;
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
}

.small-title:before {
    height: 0.1rem;
    width: 100%;
    background-color: rgb(230, 230, 230);
}

.small-title:after {
    height: 0.2rem;
    width: 4rem;
    background-color: var(--color-highlight);
}

.btn-video {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 0;
    left: 0;
    margin: 0 auto;
    text-align: center;
    color: white;
    font-size: 2rem;
    width: 5rem;
    height: 5rem;
    background: rgb(0 0 0 / 30%);
    line-height: 5rem;
    border-radius: 50%;
}

body {
    counter-reset: section;
}

.file-number::before {
    counter-increment: section;
    content: counter(section);
}

.list-file .article-title a {
    color: var(--color-main);
}

.comment-section .list-comment:empty {
    margin: 0;
    padding: 0;
    border: 0;
}

.comment-section .list-comment:empty+.total-comment {
    display: none;
}

.search-news .input-group-append .btn {
    z-index: 1;
}

.seach-page input.form-control {
    padding: 1.175rem 2rem;
    height: auto;
    border-radius: 0.8rem;
}

b, strong {
    font-weight: bold;
}

.language-mb .language-switch {
    font-size: 1.6rem;
    display: inline-block;
}

.language-mb .language-switch i {
    line-height: 2.4rem;
    padding-left: 0.5rem;
    font-size: 1.3rem;
}

.language-mb .language-switch ul li img {
    width: 15px;
    height: 15px;
    object-fit: cover;
    border: 1px solid var(--color-main);
    border-radius: 0.2rem;
}

.language-mb .language-default {
    width: 15px;
    height: 15px;
    object-fit: cover;
    border: 1px solid #1E232D;
    border-radius: 0.2rem;
    vertical-align: text-top;
}

.language-mb .language-switch ul {
    text-align: left !important;
    box-shadow: unset;
    border: 0;
    padding: 5px 0 !important;
    right: inherit;
}

.language-mb .language-d {
    padding: 2.4rem 2.4rem 1rem;
}

.topbar-section.language-mb ul.topbar-dropdown a {
    padding: 0 2.4rem;
}

.t-fade:nth-child(1) {
    animation-delay: 0.1s;
}

.t-fade:nth-child(2) {
    animation-delay: 0.2s;
}

.t-fade:nth-child(3) {
    animation-delay: 0.3s;
}

.t-fade:nth-child(4) {
    animation-delay: 0.4s;
}

.t-fade:nth-child(5) {
    animation-delay: 0.5s;
}

.t-fade:nth-child(6) {
    animation-delay: 0.6s;
}

@media (min-width: 550px) {
    .banner-video {
        padding-top: 78vh;
    }
}

@media (min-width: 768px) {
    .footer-top>.container>.row>div:last-child {
        display: flex;
        flex-wrap: wrap;
    }

    .footer-top>.container>.row>div:last-child>div:nth-child(1), .footer-top>.container>.row>div:last-child>div:nth-child(2) {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .footer-top>.container>.row>div:last-child>div:nth-child(3) {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .entire-map {
        padding-top: 29%;
    }
}

@media (min-width: 1024px) {
    .train-section .item:nth-child(1) {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .train-section .item:nth-child(1) .article-item {
        display: flex;
        flex-direction: column-reverse;
        padding: 1.6rem;
        background: var(--color-highlight) !important;
    }

    .train-section .item:nth-child(1) .article-item .article-title a , .train-section .item:nth-child(1) .article-item .article-description {
        color: white;
    }

    .train-section .item:nth-child(1) .article-item .btn-detail {
        display: inline-block !important;
    }

    .train-section .item:nth-child(1) .article-item .inner-image {
        border-radius: 0.4rem;
    }

    .train-section .item:nth-child(2) .article-item .inner-image {
        padding-top: 120%;
    }

    .train-section .item:nth-child(3) .article-item .inner-image {
        padding-top: 130%;
    }

    .train-section .item:nth-child(2):hover , .train-section .item:nth-child(3):hover {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .train-section .item:nth-child(2):hover .article-item, .train-section .item:nth-child(3):hover .article-item {
        display: flex;
        flex-direction: column-reverse;
        padding: 1.6rem;
        background: var(--color-highlight) !important;
    }

    .train-section .item:nth-child(2):hover .article-item .article-title a , .train-section .item:nth-child(2):hover .article-item .article-description, .train-section .item:nth-child(3):hover .article-item .article-title a , .train-section .item:nth-child(3):hover .article-item .article-description {
        color: white;
    }

    .train-section .item:nth-child(2):hover .article-item .btn-detail, .train-section .item:nth-child(3):hover .article-item .btn-detail {
        display: inline-block !important;
    }

    .train-section .item:nth-child(2):hover .article-item .inner-image, .train-section .item:nth-child(3):hover .article-item .inner-image {
        border-radius: 0.4rem;
        padding-top: 66.66%;
    }

    .train-section:has(.item:nth-child(2):hover) .item:nth-child(1), .train-section:has(.item:nth-child(3):hover) .item:nth-child(1) {
        flex: 0 0 25%;
        max-width: 25%;
    }

    .train-section:has(.item:nth-child(2):hover) .item:nth-child(1) .article-item, .train-section:has(.item:nth-child(3):hover) .item:nth-child(1) .article-item {
        display: block;
        padding: 0;
        background: white !important;
    }

    .train-section:has(.item:nth-child(2):hover) .item:nth-child(1) .article-item .article-title a , .train-section:has(.item:nth-child(2):hover) .item:nth-child(1) .article-item .article-description, .train-section:has(.item:nth-child(3):hover) .item:nth-child(1) .article-item .article-title a , .train-section:has(.item:nth-child(3):hover) .item:nth-child(1) .article-item .article-description {
        color: var(--color-main)
    }

    .train-section:has(.item:nth-child(2):hover) .item:nth-child(1) .article-item .btn-detail, .train-section:has(.item:nth-child(3):hover) .item:nth-child(1) .article-item .btn-detail {
        display: none !important;
    }

    .train-section:has(.item:nth-child(2):hover) .item:nth-child(1) .article-item .inner-image, .train-section:has(.item:nth-child(3):hover) .item:nth-child(1) .article-item .inner-image {
        border-radius: 0;
    }

    .train-section:has(.item:nth-child(2):hover) .item:nth-child(1) .article-item .inner-image , .train-section:has(.item:nth-child(3):hover) .item:nth-child(1) .article-item .inner-image {
        padding-top: 130%;
    }

    .footer-top>.container>.row>div:last-child {
        padding-left: 10rem;
    }
}

@media (min-width: 1440px) {
    .container, .container-sm, .container-md, .container-lg, .container-xl {
        max-width: 1440px;
    }
}

@media (max-width: 1366px) {
    .menu-section > ul > li {
        margin-left: 2rem;
        margin-right: 2rem;
    }

    .menu-section > ul > li a {
        font-size: 1.6rem;
    }
}

@media (max-width: 1200px) {
    .logo-section span {
        font-size: 2rem !important;
    }
}

@media (max-width: 1000px) {
    .logo-mb img {
        max-width: 50px;
    }

    .banner-video .banner-layers .left .title {
        font-size: 3.4rem;
        line-height: 1.4;
    }

    .search-menu {
        padding: 0 2.4rem 2.4rem;
    }

    .search-menu .input-group .form-control {
        height: 4.8rem;
    }

    body:not(.is-mobile) .btn-menu-mobile {
        color: white;
    }
}

@media (max-width: 992px) {
    .footer-mb>.container>.row>div {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .title-section {
        font-size: 3.5rem;
    }

    .article-item .article-title {
        font-size: 1.7rem;
    }
}

@media (max-width: 991px) {
    .camket-section:before {
        opacity: 0;
    }

    .certify-section .name {
        font-size: 1.8rem !important;
    }

    .contact-section {
        padding: 10rem 0;
    }
}

@media (max-width: 767px) {
    .banner-video .fill {
        height: calc(100vh - 7.7rem);
    }

    .banner-video {
        height: calc(100vh - 7.7rem);
    }

    .camket-section .left {
        padding: 2.4rem;
        font-size: 2.4rem !important;
    }

    .nh-admin-bar ul {
        display: none;
    }

    .footer-mb>.container>.row>div {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .btn-action .btn {
        width: 100% !important;
        max-width: inherit;
        margin: 1rem 0;
    }

    .train-section-1 .item:before {
        width: 100%;
        height: 1px;
        top: 0;
        transform: inherit;
    }

    .entire-info-website .logo img {
        max-width: 10rem;
    }

    .entire-info-website .logo span {
        font-size: 1.8rem !important;
    }
}

@media (max-width: 320px) {
    .logo-mb span {
        font-size: 1.25rem !important;
    }

    .menu-top {
        margin: 1.4rem;
    }

    .search-menu {
        padding: 0 1.4rem 1.4rem;
    }

    .menu-section > ul li a {
        padding: 0 4rem 0 1.4rem !important;
    }

    .language-mb .language-d {
        padding: 1.4rem;
    }

    .btn-detail, .btn-submit {
        padding: 1.175rem 1rem;
    }
}