@media all and (max-width: 1300px) {

}

@media all and (max-width: 1025px) {
  .lang {
    display: inline-block;
    margin-left: 36px;
    margin-top: 4px;
  }
  .main-menu > li:not(:has(.logo-main)) > a {
    padding: 4px 12px;
  }
  .main-menu li {
    padding: 0px 0px;
  }
  .contact li + li {
    padding: 0;
    margin-left: 15px;
  }
  .about {
    width: 100%;
    padding: 64px 15px;
  }
  .cursor {
    display: none;
  }
  * {
    cursor: default;
  }
  .av8-box-wp {
    width: 100%;
  }
  .about .detail-wp p {
    margin-left: 0 !important;
    text-align: justify !important;
  }
  .about .detail-wp p img {
    max-width: 100% !important;
  }
  .av8-box-wp {
    padding: 0 10px;
  }
}
@media all and (max-width: 800px) {


}@media all and (max-width: 768px) {
  .lang.mb,.logo-left h1 {
    display: inline-block;
  }
  .about-content .av8-box-wp {
    padding: 0 30px;
  }
    .main-menu li {
        padding: 10px 0;
    }
    .overlay .contact {margin-top: 35px;}
    .overlay .contact li {
        padding: 8px 0;
    }
    .contact li + li {
        margin: 0;
    }
    .header-top {
        padding: 5px 0;
    }
    .menu_nho {
        display: block;
    }
    .menu-main ul.main-menu {
        display: none;
    }
    .header-top .contact {
        display: none;
    }
    .button_container {
        position: absolute;
        top: 16px;
        right: 30px;
        height: 27px;
        width: 35px;
        cursor: pointer;
        z-index: 100;
        -webkit-transition: opacity .25s ease;
        transition: opacity .25s ease;
    }
    .button_container:hover {
        opacity: .7;
    }
    .button_container.active .top {
        -webkit-transform: translateY(11px) translateX(0) rotate(45deg);
        transform: translateY(11px) translateX(0) rotate(45deg);
        background: #8e8e8e;
    }
    .button_container.active .middle {
        opacity: 0;
        background: #3D441E;
    }
    .button_container.active .bottom {
        -webkit-transform: translateY(-11px) translateX(0) rotate(-45deg);
        transform: translateY(-11px) translateX(0) rotate(-45deg);
        background: #8e8e8e;
    }
    .button_container span {
        background: #8e8e8e;
        border: none;
        height: 2px;
        width: 100%;
        position: absolute;
        top: 0;
        left: 0;
        -webkit-transition: all .35s ease;
        transition: all .35s ease;
        cursor: pointer;
    }
    .button_container span:nth-of-type(2) {
        top: 11px;
    }
    .button_container span:nth-of-type(3) {
        top: 22px;
    }

    .overlay {
        position: fixed;
        background: #000000;
        top: 0;
        right: 0;
        width: auto;
        height: 0%;
        opacity: 0;
        visibility: hidden;
        -webkit-transition: opacity .35s, visibility .35s, height .35s;
        transition: opacity .35s, visibility .35s, height .35s;
        overflow: hidden;
    }
    .overlay.open {
        opacity: 1;
        visibility: visible;
        height: 100%;
    }
    .overlay.open li {
        -webkit-animation: fadeInRight .5s ease forwards;
        animation: fadeInRight .5s ease forwards;
        -webkit-animation-delay: .35s;
        animation-delay: .35s;
    }
    .overlay.open li:nth-of-type(2) {
        -webkit-animation-delay: .4s;
        animation-delay: .4s;
    }
    .overlay.open li:nth-of-type(3) {
        -webkit-animation-delay: .45s;
        animation-delay: .45s;
    }
    .overlay.open li:nth-of-type(4) {
        -webkit-animation-delay: .50s;
        animation-delay: .50s;
    }
    .overlay nav {
        margin-top: 50%;
        position: relative;
        font-size: 50px;
        font-weight: 400;
        text-align: left;
    }
    .overlay ul {
        list-style: none;
        padding: 0;
        margin: 0 auto;
        display: inline-block;
        position: relative;
        height: 100%;
        width: 100%;
    }
    .overlay ul li a {
      text-align: center ;
        display: block;
        position: relative;
        /*color: #8e8e8e;*/
        color: white;
        text-decoration: none;
        overflow: hidden;
        font-size: 11px;
    }


    @-webkit-keyframes fadeInRight {
        0% {
            opacity: 0;
            left: 20%;
        }
        100% {
            opacity: 1;
            left: 0;
        }
    }

    @keyframes fadeInRight {
        0% {
            opacity: 0;
            left: 20%;
        }
        100% {
            opacity: 1;
            left: 0;
        }
    }
  .rtopVideoPlayerWrapper .rtopVideoPlayer .rtopVideoHolder {
    padding-bottom: 133.25%;
  }
  .main-logo img {
    width: 100px;
  }
  .about {
    width: 100%;
  }
  .gt_right video {
    background: #000;
  }
  .contact-content__right {
    width: 60%;
  }
  .copyright {
    padding-right: 15px;
  }
  .fileUpload.btn.btn-primary {
    width: 21%;
  }
  input#uploadFile {
    width: 78%;
  }
  .copyright {
    text-align: center;
  }
  .footer {
    right: 0;
    left: 0;
    width: 100%;
  }
  .copyright {
    font-size: 14px;
  }
  .grid-system-container.row-3 .grid-row {
    width: 50%;
  }
  .news-item {
    width: calc(50% - 2px);
  }
  .news-item-img img {
    height: auto;
  }
  .footer {
    bottom: -60px;
  }
}
@media all and (max-width: 680px) {


}@media all and (max-width: 480px) {
    
  .about-content .av8-box-wp {
    padding: 0 10px;
  }
  .logo-left {
    width: 100%;
  }
  .rtopVideoPlayerWrapper .rtopVideoPlayer .rtopVideoHolder video {
    position: absolute;
    width: 237vw;
    height: 100vh;
    overflow: hidden;
    left: -68vw;
  }
  .rtopVideoPlayerWrapper .rtopVideoPlayer .rtopVideoHolder {
    padding-bottom: 100.25%;
    height: 100vh;
  }
  .about {
    width: 100%;
    padding: 64px 15px;
  }
  .header-top {
    margin-top: 5px;
  }
  .menu-main ul.main-menu {
    display: none;
  }
  .header-top .contact {
    display: none;
  }
  header {
    width: 100%;
    height: auto;
    left: 0;
  }
  .button_container {
    position: absolute;
    top: 16px;
    right: 15px;
    height: 27px;
    width: 35px;
    cursor: pointer;
    z-index: 100;
    -webkit-transition: opacity 0.25s ease;
    transition: opacity 0.25s ease;
  }
  .button_container:hover {
    opacity: 0.7;
  }
  .button_container.active .top {
    -webkit-transform: translateY(11px) translateX(0) rotate(45deg);
    transform: translateY(11px) translateX(0) rotate(45deg);
    background: #8e8e8e;
  }
  .button_container.active .middle {
    opacity: 0;
    background: #3d441e;
  }
  .button_container.active .bottom {
    -webkit-transform: translateY(-11px) translateX(0) rotate(-45deg);
    transform: translateY(-11px) translateX(0) rotate(-45deg);
    background: #8e8e8e;
  }
  .button_container span {
    background: #8e8e8e;
    border: none;
    height: 2px;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    -webkit-transition: all 0.35s ease;
    transition: all 0.35s ease;
    cursor: pointer;
  }
  .button_container span:nth-of-type(2) {
    top: 11px;
  }
  .button_container span:nth-of-type(3) {
    top: 22px;
  }

  .overlay {
    position: fixed;
    background: #000000c9;
    top: 0;
    right: 0;
    width: auto;
    height: 0%;
    opacity: 0;
    visibility: hidden;
    -webkit-transition: opacity 0.35s, visibility 0.35s, height 0.35s;
    transition: opacity 0.35s, visibility 0.35s, height 0.35s;
    overflow: hidden;
  }
  .overlay.open {
    opacity: 1;
    visibility: visible;
    height: 100%;
  }
  .overlay.open li {
    -webkit-animation: fadeInRight 0.5s ease forwards;
    animation: fadeInRight 0.5s ease forwards;
    -webkit-animation-delay: 0.35s;
    animation-delay: 0.35s;
  }
  .overlay.open li:nth-of-type(2) {
    -webkit-animation-delay: 0.4s;
    animation-delay: 0.4s;
  }
  .overlay.open li:nth-of-type(3) {
    -webkit-animation-delay: 0.45s;
    animation-delay: 0.45s;
  }
  .overlay.open li:nth-of-type(4) {
    -webkit-animation-delay: 0.5s;
    animation-delay: 0.5s;
  }
  .overlay nav {
    margin-top: 6%;
    position: relative;
    font-size: 50px;
    font-weight: 400;
    text-align: left;
  }
  .overlay ul {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    display: inline-block;
    position: relative;
    height: 100%;
    width: 100%;
  }
  .overlay ul li a {
    text-align: center;
    display: block;
    position: relative;
    /*color: #8e8e8e;*/
    color: white;
    text-decoration: none;
    overflow: hidden;
    font-size: 11px;
  }

  @-webkit-keyframes fadeInRight {
    0% {
      opacity: 0;
      left: 20%;
    }
    100% {
      opacity: 1;
      left: 0;
    }
  }

  @keyframes fadeInRight {
    0% {
      opacity: 0;
      left: 20%;
    }
    100% {
      opacity: 1;
      left: 0;
    }
  }
  .text-home h4 {
    font-size: 16px;
  }
  ul.main-menu {
    margin-top: 65px;
  }
  .menu_nho {
    display: block;
  }
  .gt_right video {
    background: #000;
    width: 237vw;
    height: 100vh;
    position: absolute;
    top: 0;
    left: -69vw;
  }
  .main-menu li {
    padding: 12px 0;
  }
  .home {
    display: none;
  }
  .home_mb {
    display: block;
  }
  .text-home h4 {
    bottom: 90px;
  }
  .contact-content__right {
    width: 100%;
    padding: 96px 15px 0;
  }
  .fileUpload.btn.btn-primary {
    width: 28%;
  }
  input#uploadFile {
    width: 70%;
  }
  .title-contact {
    font-size: 14px;
    margin-bottom: 0px;
  }
  .form .form-item {
    padding: 12px 0;
  }
  .cv {
    margin: 0;
  }
  .menu-main {
    padding: 0 15px;
  }
  .main-logo {
    text-align: left;
  }
  .grid-system-container.row-2 .grid-row {
    width: 100%;
  }
  .hello-bt {
    margin-bottom: 30px;
  }
  .av8-box-wp {
    width: 100%;
    padding: 0 15px;
  }
  .news-item {
    width: 100%;
    margin: 0 0 20px 0;
  }
  .header {
    background: #00000090;
    padding-bottom: 10px;
  }
  .lang span {
    font-size: 14px;
    margin-right: -10px;
  }
  .detail-wp p {
    margin-left: 0 !important;
  }
  .detail-wp ul {
    margin-left: 0 !important;
  }
  .video-container iframe {
    height: 220px !important;
  }
  .video-container {
    height: 220px !important;
    overflow: hidden;
  }
}
@media all and (min-width: 414px) and (max-width: 600px) {
}
@media all and (width: 414px) {

}
@media (min-width: 1400px) and (max-width: 1600px){

}

@media (min-width: 1600px) {
  ul.main-menu {
  }
  .main-menu li {
    padding: 0px 18px;
  }
}
@media (max-width: 1600px) {
  #skype_btn_home {
    left: 5px;
  }
}
@media (min-width: 1920px) {
}