@media screen and (max-width: 1520px){
    .header .container{
        width: 1170px;
    } 
}
@media screen and (max-width: 1190px){
    .container,
    .header .container{
        width: 860px;
    }
    .toggle-nav-mobile{
        display: block;
    }
    .logo{
        position: relative;
        z-index: 50;
        width: 250px;
        margin: 0 auto;
        padding-top: 10px;
        float: none !important;
        text-align: center;
    }
    .logo img{
        margin:  0 auto;
    }
    .main-nav,
    .search-form{
        display: none;
    }
    .header-main-right{
        position: absolute;
        right: 0px;
        top: 0px;
        z-index: 10;
        width: 100%;
    }
    .header-hotline{
        float: right !important;
    }
    .header-mobile .main-nav,
    .header-mobile .search-form{
        display: block;
    }
    .header-mobile .toggle-nav-mobile i:nth-child(1){
        display: none;
    }
    .header-mobile .toggle-nav-mobile i:nth-child(2){
        display: inline-block;
    }
    .header-mobile{
        position: fixed;
        width: 100%;
        height: 100%;
        top: 0px;
        left: 0px;
        z-index: 9999999 !important;
        background-color: var(--th-color-main);
    }
    .logged-in .header-mobile{
        top: 32px;
        height: calc(100% - 32px);
    }
    .header-mobile .header-main,
    .header-mobile .container{
        height: 100%;
    }
    .header-mobile .search-form{
        position: absolute;
        left: 0px;
        bottom: -60px;
        width: 100%;
    }
    .header-mobile .main-nav{
        margin-left: 0px;
        margin-top: 80px;
        width: 100%;
        height: calc(100% - 170px);
        overflow-y: auto;
    }
    .header-mobile .main-nav-inner{
        line-height: 50px;
    }
    .header-mobile .main-nav-inner>ul>li:nth-child(n){
        width: 100%;
        margin: 0px;
    }
    .header-mobile .main-nav-inner>ul>li:nth-child(n+2){
        border-top: 1px dotted #2a4c6c;
    }
    .header-mobile .main-nav-inner>ul>li>a{
        color: #fff;
        text-transform: uppercase;
        font-weight: 700;
    }
    .header-mobile .main-nav-inner>ul>li.menu-item-has-children:after{
        color: #333;
    }
    .header-mobile .main-nav-inner>ul>li ul{
        position: relative;
        top: 0px;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border-bottom: none;
        overflow: hidden;
        padding: 15px !important;
        display: flex;
        flex-flow: row wrap;
        width: 100% !important;
        min-width: 100% !important;
        left: 0px !important;
        background-color: #1b3146 !important;
        border:none !important;
        border-radius: 0px !important;
        display: none;
        transition: none !important;
    }
    .main-nav-inner>ul>li.nav-full>ul{
        padding: 20px 15px !important;
    }
    .header-mobile .main-nav-inner>ul>li>ul{
        margin-bottom: 10px;
    }
    .header-mobile .main-nav-inner>ul>li ul:before{
        display: none;
    }
    .header-mobile .main-nav-inner>ul>li ul li:nth-child(n){
        float: left;
        width: calc((100% - 20px) / 2) !important;
        margin-right: 20px !important;
        border: none !important;
    }
    .header-mobile .main-nav-inner>ul>li ul li:nth-child(2n+2){
        float: right;
        margin-right: 0px !important;
    }
    .header-mobile .main-nav-inner>ul>li ul li:nth-child(n+3){
        border-top: 1px dotted #27496a !important;
    }
    .header-mobile .main-nav-inner>ul>li ul li a{
        font-size: 13px !important;
    }
    .header-mobile .main-nav-inner>ul>li.nav-full>ul>li:nth-child(n){
        border-top: none !important;
    }
    .header-mobile .main-nav-inner>ul>li.nav-full>ul>li:nth-child(n+3){
        margin-top: 20px !important;
    }
    .header-mobile .main-nav-inner>ul>li.nav-full>ul>li ul{
        padding: 0px !important;
    }
    .header-mobile .main-nav-inner>ul>li.nav-full>ul>li ul li:nth-child(n){
        width: 100% !important;
        margin-right: 0px !important;
    }
    .header-mobile .main-nav-inner>ul>li.nav-full>ul>li ul li:nth-child(n+2){
        border-top: 1px dotted #27496a !important;
    }
    .header-mobile .main-nav-inner>ul>li.menu-item-has-children>a{
        position: relative;
    }
    .header-mobile .main-nav-inner>ul>li.menu-item-has-children>a>span{
        position: absolute;
        display: block;
        width: 30px;
        height: 100%;
        top: 0px;
        right: 0px;
        cursor: pointer;
        z-index: 10;
    }
    /*
    * TAXXONOMY.
    */
    .primary,
    .sidebar{
        width: 100%;
    }
    .sidebar{
        margin-top: 50px;
    }
    .news-archive-col-item{
        width: calc((100% - 30px) / 2);
    }
    .news-archive-col-item:nth-child(3n+3){
        float: left;
        margin-right: 30px;
    }
    .news-archive-col-item:nth-child(2n+2){
        float: right;
        margin-right: 0px;
    }
    .news-archive-col-item:nth-child(n+3){
        margin-top: 30px;
    }
    /**/
    .sb-post-item-thumb{
        width: 150px;
        height: 150px;
    }
    .sb-post-item-info{
        margin-left: 165px;
    }
    .sb-post-item-title{
        font-size: 20px;
        font-weight: 700;
    }
}
@media screen and (max-width: 880px){
    .container,
    .header .container{
        width: 620px;
    }
    /*
    * FOOTER.
    */
    .footer-item:nth-child(n){
        width: 100%;
        margin-right: 0px;
    }
    .footer-item:nth-child(n+2){
        width: 100%;
        margin-top: 50px;
    }
    .footer-logo{
        width: 60%;
        margin-left: auto;
        margin-right: auto;
    }
    /*
    * TAXXONOMY.
    */
    .news-archive-col-item:nth-child(n){
        width: calc((100% - 15px) / 2);
        margin-right: 15px;
    }
    .news-archive-col-item:nth-child(3n+3){
        float: left;
        margin-right: 15px;
    }
    .news-archive-col-item:nth-child(2n+2){
        float: right;
        margin-right: 0px;
    }
    .news-archive-col-item:nth-child(n+3){
        margin-top: 20px;
    }
    .news-archive-col-item-thumb{
        /*height: 230px;*/
    }
    .news-archive-col-item-title{
        font-size: 20px;
    }
    /*
    * SEARCH.
    */
    .search-result-item-title{
        font-size: 20px;
    }
    /*
    * SINGLE NEW.
    */
    .news-col-item:nth-child(n){
        width: calc((100% - 15px) / 2);
        margin-right: 15px;
    }
    .news-col-item:nth-child(2n+2){
        float: right;
        margin-right: 0px;
    }
    .news-col-item:nth-child(n+3){
        margin-top: 15px;
    }
    .news-col-item-thumb{
        /*height: 180px;*/
    }
    /* Popup  */
    .popup-register-left{
        display: none;
    }
    .popup-register-right{
        width: 100%;
    }
    .popup-register-right{
        padding: 60px 20px;
    }
    /*
    * PAGE CONTACT.
    */
    .contact-col2-item{
        width: 100%;
    }
    .contact-col2-right{
        margin-top: 30px;
    }
    /*
    * PAGE DOI NGU.
    */
    .single-dn-item-left{
        width: 100%;
    }
    .single-dn-item-right{
        width: 100%;
        margin-top: 20px;
    }
}
@media screen and (max-width: 640px){
    .container,
    .header .container{
        width: 94%;
    }
    /*
    * HEADER.
    */
    .header-hotline{
        font-size: 14px;
    }
    .header-mobile .main-nav-inner>ul>li ul li:nth-child(n){
        width: 100% !important;
        margin-right: 0px !important;
    }
    .header-mobile .main-nav-inner>ul>li ul li:nth-child(n+2) {
        border-top: 1px dotted #27496a !important;
    }
    .header-mobile .main-nav-inner>ul>li.nav-full>ul>li:nth-child(n+2) {
        margin-top: 15px !important;
    }
    /*
    * HOME WRAP.
    */
    .block-item-title1{
        font-size: 53px;
    }
    .block-item-title2{
        font-size: 28px;
        margin-top: 10px;
    }
    /*
    * TAXXONOMY.
    */
    .news-archive-col-item-thumb{
        /*height: 160px;*/
    }
    /*
    * SINGLE NEW.
    */
    .single-tag-left{
        width: 100%;
        padding-top: 0px;
    }
    .single-tag-right{
        width: 100%;
    }
    .box-register-left,
    .box-register-right{
        width: 100%;
    }
    .news-col-item:nth-child(n){
        width: 100%;
        margin-right: 0px;
        overflow: hidden;
    }
    .news-col-item:nth-child(n+2){
        margin-top: 15px;
    }
    .news-col-item-thumb{
        float: left;
        width: 150px;
        height: 150px;
    }
    .news-col-item-info{
        float: right;
        width: calc(100% - 165px);
        margin-top: 0px;
    }
    .news-col-item-des{
        display: none;
    }
    /*
    * PAGE CONTACT.
    */
    .form-ct-item:nth-child(n){width:100%;margin-right:0px;}
    .form-ct-item:nth-child(n+2){margin-top:15px}
}