@media screen and (max-width: 768px) {
    nav.navbar .navbar-collapse {
        background-color: #0a5db5;
        margin-left: -15px;
        margin-right: -15px;
    }
    .navbar-nav>.nav-item>a.dropdown-item {
        color: #fff;
        border-bottom: 1px solid #81899154;
        padding: 0.5rem 1rem;
    }
    .nav-header .dropdown-toggle::after {
        float: right;
        top: 15px;
        position: relative;
    }
    .content.content-slider-desc {
        text-align: center;
        bottom: 15%;
        position: absolute;
        right: 0;
        margin: 0 auto;
        left: 0;
        transform: inherit;
        top: initial;
    }
    .swiper-slider .item.swiper-slide img {
        height: 100%;
    }
    .content-slider-desc .text-desc {
        font-size: 1.0rem;
        margin-bottom: 5px;
    }
    .content-slider-desc .link {
        font-size: 0.8rem;
        padding: 4px;
        margin-bottom: 0px;
    }
    .owl-theme .owl-nav.disabled+.owl-dots {
        bottom: 0%; 
        overflow-x: auto;
    }
    .nav-slider-bottom {
        display: none;
    }

    .support .card {
        text-align: center;
    }

    .service-container {
        position: absolute;
        top: 10%;
        right: 0px;
        left: 0px;
        z-index: 15;
    }
    .service .grid-container {
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
        display: flex;
    }
    .service .grid-container .child {
        width: 48%;
    }
    .service .grid-container .child .card{
        margin-bottom: 0 !important;
    }
    .service-container .card {
        height: 100%;
        min-height: 105px;
    }
    
    .footer .grid-box-1 h2{
        font-size: 1.2rem;
        margin-bottom: 5px;
    }
    .footer .grid-box-2 h4{
        font-size: 1.0rem;
    }
    .grid-box-2 {
        margin-top: 20px;
    }
    .grid-box-1 .col-md-6 {
        width: auto;
    }

    .footer {
        background-size: auto 100%;
        background-position-x: right;
    }
    .nguon_luc_khai_thac .bg-item{
        width: 1400px !important;
    }
    .nguon_luc_khai_thac .container-body-item {
        left: 5%;
    }
    .nguon_luc_khai_thac .container-body-item h4 {
        padding-right: 0px;
        text-align: left;
    }
    .nguon_luc_khai_thac .item-circle {
        width: 60%;
        position: absolute;
        left: 30%;
        bottom: 5%;
    }
    .nguon_luc_khai_thac .item-circle-trans {
        width: 50%;
        position: absolute;
        left: -5%;
        bottom: 20%;
    }

    .service .bg-item{
        position: absolute;
        width: 1440px;
    }
    .service-container .card {
        background-color: #fff;
    }

    .lienket72 .card-body {
        padding: 0px;
    }

    .lienket72 .card-body  .card-title{
        line-height: 20px;
        font-size: 0.9rem;
    }
    .lienket72{
        padding: 0px;
    }
    .lienket72 h4{
        padding-top: 0px;
        margin-top: 0px;
        padding-bottom: 10px;
    }
    .lienket72  .text-muted {
        margin-bottom: 0px;
        font-size: 0.8rem;
    }

    .lienket72 .col-md-4{
        width: 100%;
        margin-bottom: 0px !important;
    }
    .lienket72 .card {
        height: auto;
        margin-bottom: 8px !important;
    }
    .lienket72 .card a {
        display: flex;
        flex-direction: row;
        align-items: center;
        width: 100%;

    }

    .lienket72 .card a img{
        width: 45px;
        margin-top: 0px;
    }
    .lienket72 .card .card-body{
        padding: 0px 8px;
        text-align: left;
    }
    .btn-view-more {
        margin: 0px;
    }

    .service .card img {
        width: 50px;
    }
    .service  .grid-container .card-body{
        padding: 0px !important;
    }
    .service .card .card-text {
        padding-top: 10px;
    }

    .service-container .grid-container .card .card-text a {
        font-size: 0.9rem;
    }

    .widget-61 .col-md-4 {
        width: 50%;
        margin-bottom: 5px !important;
    }
    .wg-link-footer .swiper-slide {
        align-items: end;
    }
    .footer .grid-box-2 ul li:first-child {
        font-size: 1.1rem !important;
    }
    .wg-link-footer .support {
        padding-bottom: 0px !important;
    }
  

    .nguon_luc_khai_thac .container-body-item h4,
    .service-container h4 a,
    .wg-news .title-widget,
    .support h4
    {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }

    .content_tieudiem .list-group-item .row .col-md-4 {
        width: 33.3%;
    }
    .content_tieudiem .list-group-item .row .col-md-8 {
        width: 66.6%;
    }


    .owl-carousel .owl-prev span {
        left: 0px;
        border-radius: 3px;
    }

    .owl-carousel .owl-next span {
        right: 0px;
        border-radius: 3px;
        font-size: 25px;
    }
    .swiper-container-v .swiper-wrapper {
        position: relative;
        width: 100%;
        z-index: 1;
        display: inherit;
    }
    .swiper-container-v .swiper-wrapper  .swiper-slide{
        height: initial;
    }
    .owl-bannerslider .item video,
    .owl-bannerslider {
        height: 220px;
    }
  
    .nav-header .navbar-brand .logo {
        width: 70px;
    }
    .nav-header .navbar-brand .title{
        width: 180px;
    }
    .nav-header.sticky {
        background-color: #005ca1;
    }
    .nav-header.sticky .logo {
        width: 65px !important;
    }
    .nav-header.sticky .title{
        width: 170px !important;
    }
    
    .nav-header.sticky {
        background-color: #005ca1;
    }

    .main-subpage .navbar-light .navbar-toggler-icon,
    .nav-header.sticky .navbar-light .navbar-toggler-icon{
        filter: brightness(0) saturate(100%) invert(100%);
    }

    .swiper-slide.widget-76, .swiper-slide.widget-72 {
        background-color: #f5f5f5;
    }

    .nguon_luc_khai_thac .container-body {
        top: 5%;
    }
    .swiper-slide .wg-news {
        margin: 20px 0px;
    }
    .wg-link-footer .support {
        padding: 0px !important;
        margin: 20px 0px;
    }

    .owl-bannerslider .owl-dots .owl-dot button {
      
        font-size: 0.9rem;
    }
    .owl-newsslider .owl-stage .owl_items .card {
        margin: 0px 5px;
    }
    .owl-nav button span {
        background: #ffffffd6;
        border: 1px solid #cdcdcd;
    }
    .main-subpage .nav-header .title {
        display: none;
    }

    .main-subpage .page-details footer{    
        justify-content: space-between;
        flex-direction: column;
        margin-bottom: 20px;
    }
    .main-subpage .page-details footer>div {
        width: 100%;
    }
   .main-subpage .page-details {
        text-align: justify;
    }

    .main-subpage .page-details img{
        width: 100% !important;
        height: initial !important;
    }
    .page-details .actions {
        width: 100%;
    }

    .option-action-ship .col-auto{
        margin-bottom: 0.5rem;
    }

    .option-action-ship .col-auto:nth-child(1),
    .option-action-ship .col-auto:nth-child(2){
        width: 50%;
    }

    .option-action-ship .col-auto:nth-child(3),
    .option-action-ship .col-auto:nth-child(4),
    .option-action-ship .col-auto:nth-child(5){
        width: 33.3%;
    }
    #formlichtau{
        margin-bottom: 0px;
    }
    form[name='form-kehoachtau'] .card {
        margin-top: 0px !important;
    }
}