:root {
    /* Brand colors  */
    --BrandOrange: #FF701D;
    --BrandBlue: #1169B0;
    --BrandGreen: #00D574;
    /* color primary */
    --primary100: #EEFAFF;
    --primary200: #C6EEFF;
    --primary300: #7DD4FF;
    --primary400: #2DB5FF;
    --primary500: #00A2FD;
    --primary600: #0087DB;
    --primary700: #0071BD;
    --primary800: #004E86;
    --primary900: #003359;
    --main400: #FFE9B4;
    --main450: #FFDC88;
    --main500: #FFD776;
    --main600: #0f6670;
    --main700: #CF9200;
    --main800: #A35108;
    --main900: #885425;
    --main950: #6B4929;
    --menu: #0f6670;
    --menuHover: #FFE5A7;
    --menuSubHover: #FFF2D2;
    --paddingMenu: 20px;
    /* font-color */
    --neutral100: #FFFFFF;
    --neutral200: #FAFAFB;
    --neutral300: #EBECED;
    --neutral400: #CECFD2;
    --neutral500: #9D9FA5;
    --neutral600: #747783;
    --neutral700: #565C67;
    --neutral800: #343943;
    --neutral900: #1F2636;
    --neutralBlack: #000;
    --gray1: #333333;
    --gray2: #4F4F4F;
    --gray3: #828282;
    --gray4: #BDBDBD;
    --gray5: #F5F5F5;
    /* row bg */
    --bg00: #fff;
    --bg100: #FFF4E9;
    --bg200: #FFE7CF;
    /* // row bg */
    --footer600: #ffd980;
    --footer800: #FFCC51;
    --footer900: #715A44;
    --footer-title: #BA5900;
    --footer-link: #6B2D00;
    --copyright: #301600;
    --menu-bg: #301600;
    --menu-height: 90px;
    --footer-bg: #301600;
    --footer-copyright: #F48120;
    --statistic-w-h: 100px;
    --menu-height-70: 70px;
    --menu-height-60: 60px;
}

@font-face {
    font-family: 'HP Friz Heavy';
    src: url('../css/fonts/HP-Friz-Heavy.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
}

.navigation {
    width: 95%;
    height: var(--menu-height);
    display: table;
    position: relative;
    font-family: 'Helvetica Neue', sans-serif;
    background: var(--menu-bg);
}

.upper-menu {
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
}



.library-info {
    display: flex;
    margin-left: 70px;
}

.library-name {
    color: #C50202;
    font-size: 22px;
    font-weight: bold;
    /* font-family: 'HP Friz Heavy', sans-serif; */
}

.university-name {
    margin-left: 20px;
    font-size: 17px;
    font-weight: bold;
}

.navigation * {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

.navigation-portrait {
    height: var(--menu-height);
}

.navigation-fixed {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 19998;
}

.navigation-hidden {
    width: 0 !important;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
}

.align-to-right {
    float: right;
}

.align-to-left {
    float: left;
}

.nav-header {
    float: left;
    height: var(--menu-height);
    margin-right: var(--paddingMenu);
}

.navigation-hidden .nav-header {
    display: none;
}

.nav-brand {
    line-height: var(--menu-height);
    padding: 0;
    color: #343a40;
    font-size: 24px;
    text-decoration: none !important;
    display: table;
    height: 100%;
}

    .nav-brand > .logo {
        display: table-cell;
        vertical-align: middle;
        position: absolute;
        z-index: 100;
    }

        .nav-brand > .logo > img {
            display: table-cell;
            height: 150px;
        }

    .nav-brand:hover,
    .nav-brand:focus {
        color: #343a40;
    }

.navigation-portrait .nav-brand {
    font-size: 18px;
    line-height: 48px;
}

.nav-logo > img {
    height: 48px;
    margin: 11px auto;
    padding: 0 15px;
    float: left;
}

.nav-logo:focus > img {
    outline: initial;
}

.navigation-portrait .nav-logo > img {
    height: 36px;
    margin: 6px auto 6px 15px;
    padding: 0;
}

.nav-toggle {
    width: 30px;
    height: 30px;
    padding: 6px 2px 0;
    position: absolute;
    top: -35%;
    margin-top: -14px;
    /* right: 15px; */
    right: 20%;
    display: none;
    cursor: pointer;
}

    .nav-toggle:before {
        content: "";
        position: absolute;
        width: 24px;
        height: 2px;
        background-color: #fff;
        box-shadow: 0 0.5em 0 0 #fff, 0 1em 0 0 #fff;
        border-radius: 10px;
        -webkit-border-radius: 10px;
        -moz-border-radius: 10px;
        -ms-border-radius: 10px;
        -o-border-radius: 10px;
    }

.navigation-portrait .nav-toggle {
    display: block;
}

.navigation-portrait .nav-menus-wrapper {
    width: 90%;
    height: 100%;
    top: 0;
    left: -1000px;
    position: fixed;
    background-color: #fff;
    z-index: 20000;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transition-duration: 0.2s;
    transition-timing-function: ease;
}

    .navigation-portrait .nav-menus-wrapper.nav-menus-wrapper-open {
        width: 100%;
    }

    .navigation-portrait .nav-menus-wrapper.nav-menus-wrapper-right {
        left: auto;
        right: -400px;
    }

    .navigation-portrait .nav-menus-wrapper.nav-menus-wrapper-open {
        left: 0;
    }

    .navigation-portrait
    .nav-menus-wrapper.nav-menus-wrapper-right.nav-menus-wrapper-open {
        left: auto;
        right: 0;
    }

.nav-menus-wrapper-close-button {
    width: 30px;
    height: 23px;
    margin: 26px 7px 15px;
    display: none;
    float: right;
    color: #343a40;
    font-size: 22px;
    cursor: pointer;
}

.navigation-portrait .nav-menus-wrapper-close-button {
    display: block;
}

.nav-menu {
    margin: 0;
    padding: 0;
    list-style: none;
    line-height: normal;
    font-size: 0;
}

.navigation-portrait .nav-menu {
    width: 100%;
}

.navigation-landscape .nav-menu.nav-menu-centered {
    float: none;
    text-align: center;
}

    .navigation-landscape .nav-menu.nav-menu-centered > li {
        float: none;
    }

.nav-menu > li {
    display: inline-block;
    float: left;
    text-align: left;
}

.navigation-portrait .nav-menu > li {
    width: 100%;
    position: relative;
    border-bottom: solid 1px #f0f0f0;
}

    .navigation-portrait .nav-menu > li:last-child {
        /* border-bottom: solid 1px #f0f0f0; */
    }

.nav-menu + .nav-menu > li:first-child {
    border-top: none;
}

.nav-menu > li > a {
    height: var(--menu-height);
    padding: 22px var(--paddingMenu);
    ;
    display: inline-block;
    text-decoration: none;
    font-size: 17px;
    color: var(--menu);
    transition: color 0.3s, background 0.3s;
    font-weight: 500;
    text-transform: uppercase;
}

.navigation-portrait .nav-menu > li > a {
    width: 100%;
    height: auto;
    padding: 12px 15px 12px 26px;
}

.nav-menu > li:hover > a,
.nav-menu > li.active > a,
.nav-menu > li.focus > a {
    color: var(--menuHover);
}

.nav-menu > li > a > i,
.nav-menu > li > a > [class*="ion-"] {
    width: 18px;
    height: 16px;
    line-height: 16px;
    transform: scale(1.4);
}

.nav-menu > li > a > [class*="ion-"] {
    width: 16px;
    display: inline-block;
    transform: scale(1.8);
}
/* -------- add icon */
.nav-menu > li > a span.icon {
    display: block;
    text-align: center;
    padding-bottom: 7px;
}

.nav-menu > li > a span.icon--huongdan, .icon--gioithieu {
    padding-bottom: 12px;
}

.nav-menu > li > a i.icon {
    display: block;
    text-align: center;
    padding-bottom: 7px;
}
/* -------- // add icon */
.navigation-portrait .nav-menu.nav-menu-social {
    width: 100%;
    text-align: center;
}

.nav-menu.nav-menu-social > li {
    text-align: center;
    float: none;
    border: none !important;
}

.navigation-portrait .nav-menu.nav-menu-social > li {
    width: auto;
}

.nav-menu.nav-menu-social > li > a > [class*="ion-"] {
    font-size: 12px;
}

.nav-menu.nav-menu-social > li > a > .fa {
    font-size: 14px;
}

.navigation-portrait .nav-menu.nav-menu-social > li > a {
    padding: 15px;
}

.submenu-indicator {
    /* if using icon -> then remove display: none; */
    display: none;
    margin-left: 6px;
    margin-top: 6px;
    float: right;
    transition: all 0.2s;
}

.navigation-portrait .submenu-indicator {
    width: 54px;
    height: 44px;
    margin-top: 0;
    position: absolute;
    top: 0;
    right: 0;
    text-align: center;
    z-index: 20000;
}

.submenu-indicator-chevron {
    height: 7px;
    width: 7px;
    display: block;
    border-style: solid;
    border-width: 0 1px 1px 0;
    border-color: transparent #555 #555 transparent;
    transform: rotate(45deg);
    transition: border 0.2s;
}

.navigation-portrait .submenu-indicator-chevron {
    position: absolute;
    top: 13px;
    left: 24px;
}

.navigation-portrait .nav-menu > li
.nav-menu > li:hover > a .submenu-indicator-chevron,
.nav-menu > .active > a .submenu-indicator-chevron,
.nav-menu > .focus > a .submenu-indicator-chevron {
    border-color: transparent #000 #000 transparent;
    top: 20px;
}

.navigation-portrait .submenu-indicator.submenu-indicator-up {
    transform: rotate(-180deg);
}

.nav-overlay-panel {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    position: fixed;
    display: none;
    z-index: 19999;
}

.no-scroll {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.nav-search,
.registry,
.lang {
    height: var(--menu-height);
    float: right;
    z-index: 19998;
}

.navigation-portrait .nav-search {
    height: var(--menu-height);
    padding: 0 10px;
    margin-right: 35px;
}

.navigation-hidden .nav-search {
    display: none;
}

.nav-search-button {
    width: 70px;
    height: var(--menu-height);
    line-height: var(--menu-height);
    text-align: center;
    cursor: pointer;
}

.navigation-portrait .nav-search-button {
    width: 50px;
    height: var(--menu-height);
    line-height: 46px;
    font-size: 22px;
}

.nav-search-icon {
    width: 14px;
    height: 14px;
    margin: 2px 8px 8px 4px;
    display: inline-block;
    vertical-align: middle;
    position: relative;
    color: #343a40;
    text-align: left;
    text-indent: -9999px;
    border: 2px solid;
    transform: rotate(-45deg);
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
}

    .nav-search-icon:after,
    .nav-search-icon:before {
        content: "";
        pointer-events: none;
    }

    .nav-search-icon:before {
        width: 2px;
        height: 11px;
        top: 11px;
        position: absolute;
        left: 50%;
        border-radius: 0 0 1px 1px;
        box-shadow: inset 0 0 0 32px;
        transform: translateX(-50%);
    }

.nav-search-button:hover .nav-search-icon {
    color: #ff6b00;
}

.nav-search > form {
    width: 100%;
    height: 100%;
    padding: 0 auto;
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    background-color: #fff;
    z-index: 99;
}

.nav-search-inner {
    width: 70%;
    height: var(--menu-height);
    margin: auto;
    display: table;
}

.navigation-portrait .nav-search-inner {
    height: var(--menu-height);
}

.nav-search-inner input[type="text"],
.nav-search-inner input[type="search"] {
    height: var(--menu-height);
    width: 100%;
    margin: 0;
    padding: 0 12px;
    font-size: 26px;
    text-align: center;
    color: #343a40;
    outline: none;
    line-height: var(--menu-height);
    border: none;
    background-color: transparent;
    transition: all 0.3s;
}

.navigation-portrait .nav-search-inner input[type="text"],
.navigation-portrait .nav-search-inner input[type="search"] {
    height: var(--menu-height);
    font-size: 18px;
    line-height: 48px;
}

.nav-search-close-button {
    width: 28px;
    height: 28px;
    display: block;
    position: absolute;
    right: 20px;
    top: 20px;
    line-height: normal;
    color: #343a40;
    font-size: 20px;
    cursor: pointer;
    text-align: center;
}

.navigation-portrait .nav-search-close-button {
    top: 20px;
    right: 5px;
}

.nav-button {
    margin: 18px 15px 0;
    padding: 8px 14px;
    display: inline-block;
    color: #fff;
    font-size: 14px;
    text-align: center;
    text-decoration: none;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
}

    .nav-button:hover,
    .nav-button:focus {
        color: #fff;
        text-decoration: none;
    }

.navigation-portrait .nav-button {
    width: calc(100% - 52px);
    margin: 17px 26px;
}

.nav-text {
    margin: 25px 15px;
    display: inline-block;
    color: #343a40;
    font-size: 14px;
}

.navigation-portrait .nav-text {
    width: calc(100% - 52px);
    margin: 12px 26px 0;
}

    .navigation-portrait .nav-text + ul {
        margin-top: 15px;
    }

.nav-dropdown {
    min-width: 180px;
    margin: 0;
    padding: 0;
    display: none;
    position: absolute;
    list-style: none;
    z-index: 98;
    white-space: nowrap;
}

.navigation-portrait .nav-dropdown {
    width: 100%;
    position: static;
    left: 0;
}

.nav-dropdown .nav-dropdown {
    left: 100%;
}

.nav-menu > li > .nav-dropdown {
    border-top: solid 1px #f0f0f0;
}

.nav-dropdown > li {
    width: 100%;
    float: left;
    clear: both;
    position: relative;
    text-align: left;
}

    .nav-dropdown > li > a {
        width: 100%;
        padding: 16px 20px;
        display: inline-block;
        text-decoration: none;
        float: left;
        font-size: 13px;
        color: #343a40;
        background-color: #fdfdfd;
    }

    .nav-dropdown > li:hover > a,
    .nav-dropdown > li.focus > a {
        color: #ff6b00;
    }

.nav-dropdown.custom-dropdown > li > a {
    font-size: 15px;
    font-weight: 400;
    color: #0F6670;
    display: table;
    min-width: 250px;
    padding: 12px 32px 12px 15px;
    background: #fff;
    background-position-x: calc(100% - 16px);
    border-bottom: solid 1px #ededed;
}

    .nav-dropdown.custom-dropdown > li > a:hover {
        font-weight: 400;
        background: #FFE9B4 url('../images/chevron-sub-mn.svg') center right no-repeat;
        background-size: 7px;
        background-position-x: calc(100% - 16px);
        border-bottom: solid 1px transparent;
        color: #C50202;
    }

.nav-dropdown.nav-dropdown-left {
    right: 0;
}

.nav-dropdown > li > .nav-dropdown-left {
    left: auto;
    right: 100%;
}

.navigation-landscape .nav-dropdown.nav-dropdown-left > li > a {
    text-align: right;
}

.navigation-portrait .nav-dropdown > li > a {
    padding: 13px 20px 13px 30px;
}

.navigation-portrait .nav-dropdown > li > ul > li > a {
    padding-left: 50px;
}

.navigation-portrait .nav-dropdown > li > ul > li > ul > li > a {
    padding-left: 70px;
}

.navigation-portrait .nav-dropdown > li > ul > li > ul > li > ul > li > a {
    padding-left: 90px;
}

.navigation-portrait
.nav-dropdown > li > ul > li > ul > li > ul > li > ul > li > a {
    padding-left: 110px;
}

.nav-dropdown .submenu-indicator {
    right: 15px;
    top: 10px;
    position: absolute;
}

.navigation-portrait .nav-dropdown .submenu-indicator {
    right: 0;
    top: 0;
}

.nav-dropdown .submenu-indicator .submenu-indicator-chevron {
    transform: rotate(-45deg);
}

.navigation-portrait
.nav-dropdown
.submenu-indicator
.submenu-indicator-chevron {
    transform: rotate(45deg);
}

.nav-dropdown > li:hover > a .submenu-indicator-chevron,
.nav-dropdown > .focus > a .submenu-indicator-chevron {
    border-color: transparent #ff6b00 #ff6b00 transparent;
}

.navigation-landscape .nav-dropdown.nav-dropdown-left .submenu-indicator {
    left: 10px;
}

    .navigation-landscape
    .nav-dropdown.nav-dropdown-left
    .submenu-indicator
    .submenu-indicator-chevron {
        transform: rotate(135deg);
    }

.nav-dropdown-horizontal {
    width: 100%;
    left: 0;
    background-color: #fdfdfd;
    border-top: solid 1px #f0f0f0;
}

    .nav-dropdown-horizontal .nav-dropdown-horizontal {
        width: 100%;
        top: 100%;
        left: 0;
    }

.navigation-portrait .nav-dropdown-horizontal .nav-dropdown-horizontal {
    border-top: none;
}

.nav-dropdown-horizontal > li {
    width: auto;
    clear: none;
    position: static;
}

.navigation-portrait .nav-dropdown-horizontal > li {
    width: 100%;
}

.nav-dropdown-horizontal > li > a {
    position: relative;
}

.nav-dropdown-horizontal .submenu-indicator {
    height: 18px;
    top: 11px;
    transform: rotate(90deg);
}

.navigation-portrait .nav-dropdown-horizontal .submenu-indicator {
    height: 42px;
    top: 0;
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
}

    .navigation-portrait
    .nav-dropdown-horizontal
    .submenu-indicator.submenu-indicator-up {
        transform: rotate(-180deg);
    }

.megamenu-panel {
    width: 100%;
    padding: 15px 0;
    display: none;
    /* position: absolute; */
    font-size: 14px;
    z-index: 98;
    text-align: left;
    color: inherit;
    border-top: solid 1px #f0f0f0;
    background-color: #fdfdfd;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.075);
    position: fixed;
    left: 0px;
}

.navigation-portrait .megamenu-panel {
    padding: 25px;
    position: static;
    display: block;
}

.megamenu-panel [class*="container"] {
    width: 100%;
}

    .megamenu-panel [class*="container"] [class*="col-"] {
        padding: 0;
    }

.megamenu-panel-half {
    width: 50%;
}

.megamenu-panel-quarter {
    width: 25%;
}

.navigation-portrait .megamenu-panel-half,
.navigation-portrait .megamenu-panel-quarter {
    width: 100%;
}

.megamenu-panel-row {
    width: 100%;
}

    .megamenu-panel-row:before,
    .megamenu-panel-row:after {
        content: "";
        display: table;
        line-height: 0;
    }

    .megamenu-panel-row:after {
        clear: both;
    }

    .megamenu-panel-row [class*="col-"] {
        display: block;
        min-height: 20px;
        float: left;
        margin-left: 3%;
    }

        .megamenu-panel-row [class*="col-"]:first-child {
            margin-left: 0;
        }

.navigation-portrait .megamenu-panel-row [class*="col-"] {
    float: none;
    display: block;
    width: 100% !important;
    margin-left: 0;
    margin-top: 15px;
}

.navigation-portrait
.megamenu-panel-row:first-child
[class*="col-"]:first-child {
    margin-top: 0;
}

.megamenu-panel-row .col-1 {
    width: 5.583333333333%;
}

.megamenu-panel-row .col-2 {
    width: 14.166666666666%;
}

.megamenu-panel-row .col-3 {
    width: 22.75%;
}

.megamenu-panel-row .col-4 {
    width: 31.333333333333%;
}

.megamenu-panel-row .col-5 {
    width: 39.916666666667%;
}

.megamenu-panel-row .col-6 {
    width: 48.5%;
}

.megamenu-panel-row .col-7 {
    width: 57.083333333333%;
}

.megamenu-panel-row .col-8 {
    width: 65.666666666667%;
}

.megamenu-panel-row .col-9 {
    width: 74.25%;
}

.megamenu-panel-row .col-10 {
    width: 82.833333333334%;
}

.megamenu-panel-row .col-11 {
    width: 91.416666666667%;
}

.megamenu-panel-row .col-12 {
    width: 100%;
}

.megamenu-tabs {
    width: 100%;
    float: left;
    display: block;
}

.megamenu-tabs-nav {
    width: 20%;
    margin: 0;
    padding: 0;
    float: left;
    list-style: none;
}

.navigation-portrait .megamenu-tabs-nav {
    width: 100%;
}

.megamenu-tabs-nav > li > a {
    width: 100%;
    padding: 10px 16px;
    float: left;
    font-size: 13px;
    text-decoration: none;
    color: #343a40;
    border: solid 1px #eff0f2;
    outline: 0;
    background-color: #fff;
}

.megamenu-tabs-nav > li.active a,
.megamenu-tabs-nav > li:hover a {
    background-color: #f5f5f5;
}

.megamenu-tabs-pane {
    width: 80%;
    min-height: 30px;
    padding: 20px;
    float: right;
    display: none;
    font-size: 13px;
    color: #343a40;
    border: solid 1px #eff0f2;
    background-color: #fff;
}

    .megamenu-tabs-pane.active {
        display: block;
    }

.navigation-portrait .megamenu-tabs-pane {
    width: 100%;
}

.megamenu-lists {
    /* width: 1400px; */
    width: calc(100% - 280px);
    display: table;
    margin: 0 auto;
}

.megamenu-list {
    width: 100%;
    margin: 0 0 15px;
    padding: 0;
    display: inline-table;
    list-style: none;
}

    .megamenu-list:last-child {
        margin: 0;
        border: none;
    }

.navigation-landscape .megamenu-list {
    margin: 0;
    padding: 0 0 10px;
}

    .navigation-landscape .megamenu-list:last-child {
        border: none;
    }

.megamenu-list > li {
    padding-left: 55px;
}

    .megamenu-list > li > a {
        width: 100%;
        padding: 8px 15px;
        display: inline-block;
        color: #2d2d2d;
        text-decoration: none;
        font-size: 14px;
        font-weight: 500;
    }

        .megamenu-list > li > a:hover {
            color: #F27227;
        }

    .megamenu-list > li.megamenu-list-title {
        padding-left: 0;
    }

        .megamenu-list > li.megamenu-list-title > a {
            font-size: 15px;
            font-weight: 400;
            color: #000;
            display: table;
            padding: 10px 15px;
            border-radius: 3px;
            -webkit-border-radius: 3px;
            -moz-border-radius: 3px;
            -ms-border-radius: 3px;
            -o-border-radius: 3px;
        }

            .megamenu-list > li.megamenu-list-title > a:hover {
                /* background: #efefef; */
                background: var(--menuSubHover) url('../images/chevron-sub-mn.svg') center right no-repeat;
                background-size: 7px;
                background-position-x: calc(100% - 16px);
            }

.navigation-landscape .list-col-2 {
    width: 50%;
}

.navigation-landscape .list-col-3 {
    width: 33%;
}

.navigation-landscape .list-col-4 {
    width: 25%;
}

    .navigation-landscape .list-col-4:hover .mn-icon-sub {
        background: #f1f1f1;
    }

    .navigation-landscape .list-col-4:hover .title-sub-mn {
        /* color: #F27227; */
    }

.navigation-landscape .list-col-5 {
    width: 20%;
}

.nav-dropdown > li > a {
    color: #343a40;
    padding: 10px 20px;
    border-bottom: 1px solid #f6f6f6;
}

    .nav-dropdown > li > a:hover,
    .nav-dropdown > li > a:focus {
        font-weight: 600;
    }

.header_area {
    height: 160px;
}

.main_header_area {
    background: var(--menu-bg);
    /* fixed */
    position: fixed;
    left: 0;
    top: 0;
    z-index: 99;
    width: 100%;
}

    .main_header_area.sticky {
        width: 100%;
        position: fixed;
        top: 0;
        left: 0;
        background-color: #fff;
        z-index: 9999;
        box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    }

.transparent-menu {
    position: absolute;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 99;
}

.navigation-portrait .nav-menu > li > a {
    width: 100%;
    height: auto;
    padding: 13px 10px 13px 30px;
}

.nav-search-button > button {
    width: 100%;
    height: 100%;
    line-height: 1;
    display: table;
}

.mn-icon-sub {
    width: 40px;
    height: 40px;
    background: #fff;
    border: 1px solid #E1E2E7;
    padding: 2px;
    display: table-cell;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
}

    .mn-icon-sub > img {
        width: 36px;
        height: 36px;
    }

.megamenu-list > li > a > span.title-sub-mn {
    padding-left: 0px;
}

.registry,
.lang {
    display: table;
}

    .registry > .btn-registry,
    .lang > .btn-lang {
        display: table-cell;
        vertical-align: middle;
    }

.btn-registry > a,
.btn-lang > a {
    height: 26px;
    width: 40px;
    padding: 0;
    text-align: center;
    margin-right: 12px;
    font-size: 15px;
    line-height: 26px;
    color: var(--main600);
    display: block;
    font-weight: 500;
    border: 1px solid #0f6670;
    text-decoration: none;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
}

.btn-lang:last-child > a {
    margin-right: 0;
}

.row-headmenu {
    /* margin-left: 50px;
  margin-right: 50px; */
    margin: 0 auto;
}

.btn-lang.active > a {
    background: var(--main600);
    color: var(--menu-bg);
}

.btn-lang > .link-today {
    width: auto;
    padding: 5px 10px;
    border: none;
    background: var(--main400);
    color: var(--menu-bg);
    margin-left: 0;
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    -ms-border-radius: 20px;
    -o-border-radius: 20px;
    /* display: flex;
  align-items: center; */
    font-size: 13px;
    letter-spacing: -0.5px;
    line-height: 18px;
    position: relative;
}

    .btn-lang > .link-today:hover {
        cursor: pointer;
    }

    .btn-lang > .link-today div {
        line-height: 18px;
    }

    .btn-lang > .link-today span {
        width: 15px;
        height: 11px;
        display: inline-block;
        background-color: #FFF4E9; /* defines the background color of the image */
        mask: url('../images/arrow-right.svg') no-repeat center / contain;
        -webkit-mask: url('../images/arrow-right.svg') no-repeat center / contain;
    }

    .btn-lang > .link-today:hover {
        color: var(--neutral100);
        background: #f48121;
    }

        .btn-lang > .link-today:hover span {
            background-color: var(--neutral100);
        }

.today--content {
    position: absolute;
    top: 16px;
    right: 0;
    padding-top: 14px;
    opacity: 0;
    -webkit-transform: translate3d(0, -15px, 0);
    transform: translate3d(0, -15px, 0);
    -webkit-transition: all 150ms linear;
    -o-transition: all 150ms linear;
    transition: all 150ms linear;
    visibility: hidden;
    /* pointer-events: none; */
}

.btn-lang > .link-today:hover .today--content {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

.today--content > div {
    min-width: 200px;
    padding: 12px;
    text-align: left;
    background: #FFF8E9;
    color: #000;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    border-bottom: 1px solid rgba(117,54,0,0.25);
}

    .today--content > div div:first-child {
        margin-bottom: 8px;
    }

    .today--content > div b {
        color: #C50202;
        font-weight: 600;
        padding-right: 8px;
    }

    .today--content > div small {
        border-bottom: 1px solid rgba(122,89,8,.23);
        background: rgba(122,89,8,.1);
        font-size: 13px;
        padding: 1px 4px;
        -webkit-border-radius: 3px;
        -moz-border-radius: 3px;
        -ms-border-radius: 3px;
        -o-border-radius: 3px;
        border-radius: 3px;
    }

.btn-lang > .link-today:hover .today--content > div {
    cursor: text;
}

.today-mobile {
    padding-left: 30px;
    padding-right: 15px;
    width: 390px;
    margin: 16px 0;
    display: none;
}

    .today-mobile > div {
        background: #FFF3D4;
        padding: 10px;
        -webkit-border-radius: 5px;
        -moz-border-radius: 5px;
        border-radius: 5px;
    }

    .today-mobile .label {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 2px;
    }

        .today-mobile .label span {
            width: 22px;
            height: 22px;
            margin-right: 8px;
            display: inline-block;
            background-color: #773700;
            mask: url('../images/time-icon.svg') no-repeat center / contain;
            -webkit-mask: url('../images/time-icon.svg') no-repeat center / contain;
        }

        .today-mobile .label label {
            color: #773700;
            font-weight: 600;
            margin: 0;
            font-size: 15px;
        }

    .today-mobile .time {
        text-align: center;
    }

        .today-mobile .time b {
            color: #F48120;
            padding-right: 4px;
        }

        .today-mobile .time span {
            border-bottom: 1px solid rgba(122,89,8,.23);
            background: rgba(122,89,8,.1);
            font-size: 13px;
            padding: 1px 4px;
            -webkit-border-radius: 3px;
            -moz-border-radius: 3px;
            -ms-border-radius: 3px;
            -o-border-radius: 3px;
            border-radius: 3px;
        }

.main_header_area.v2 {
    background: #fff;
}

.v2 .navigation {
    background: #FFF;
    margin-left: 100px;
    border-top: 1px solid #0097a7;
}

.v2 .nav-menu > li > a {
    color: #1c76bc;
}

.v2 .nav-menu > li:hover > a,
.v2 .nav-menu > li.active > a,
.v2 .nav-menu > li.focus > a {
    color: #0097a7;
    background: #fff;
}

.v2 .btn-lang > .link-today {
    background: #0097a7;
    color: #FFF4E9;
    border: 0px solid;
}

    .v2 .btn-lang > .link-today:hover {
        color: #fff;
    }

.v2 .btn-lang > a {
    border: 1px solid #0097a7;
    color: #0097a7;
    background: #fff;
}

.v2 .btn-lang.active > a {
    background: #0097a7;
    border: 1px solid #0097a7;
    color: #fff;
}

.nav-menu > li > a span.icon.icon--home a,
.nav-menu > li > a span.icon.icon--dichvu span,
.nav-menu > li > a span.icon.icon--tainguyen span,
.nav-menu > li > a span.icon.icon--huongdan span,
.nav-menu > li > a span.icon.icon--tracuu span,
.nav-menu > li > a span.icon.icon--lienhe span {
    width: 24px;
    height: 24px;
    display: inline-block;
    background-color: #0F6670;
    mask: url('../images/icon-home.svg') no-repeat center / contain;
    -webkit-mask: url('../images/icon-home.svg') no-repeat center / contain;
}

.nav-menu > li > a span.icon.icon--dichvu span {
    mask: url('../images/icon-dich_vu.svg') no-repeat center / contain;
    -webkit-mask: url('../images/icon-dich_vu.svg') no-repeat center / contain;
}

.nav-menu > li > a span.icon.icon--tainguyen span {
    mask: url('../images/icon-tai_nguyen.svg') no-repeat center / contain;
    -webkit-mask: url('../images/icon-tai_nguyen.svg') no-repeat center / contain;
}

.nav-menu > li > a span.icon.icon--huongdan span {
    mask: url('../images/icon-huong_dan.svg') no-repeat center / contain;
    -webkit-mask: url('../images/icon-huong_dan.svg') no-repeat center / contain;
}

.nav-menu > li > a span.icon.icon--tracuu span {
    mask: url('../images/icon-tra_cuu.svg') no-repeat center / contain;
    -webkit-mask: url('../images/icon-tra_cuu.svg') no-repeat center / contain;
}

.nav-menu > li > a span.icon.icon--lienhe span {
    mask: url('../images/icon-lien_he.svg') no-repeat center / contain;
    -webkit-mask: url('../images/icon-lien_he.svg') no-repeat center / contain;
}

.nav-menu > li:hover > a span.icon[class*="icon--"] span {
    background-color: #B55300;
}

.v2 .nav-toggle:before {
    background-color: #301600;
    box-shadow: 0 0.5em 0 0 #301600, 0 1em 0 0 #301600;
}

.v2 .today--content > div {
    border: 1px solid rgba(117,54,0,0.3);
}
/* responsive */
@media screen and (min-width: 1401px) {
    .row-headmenu {
        /* width: 1400px; */
    }

    .megamenu-lists {
        /* width: 1400px; */
    }
}

@media screen and (min-width: 1920px) {
    .row-headmenu,
    .megamenu-lists {
        width: 100%;
    }
}

@media screen and (max-width: 1400px) {
    .row-headmenu {
        width: 100%;
    }

    .megamenu-lists {
        width: 100%;
    }

    .navigation {
        padding: 0 16px;
    }
}

@media screen and (max-width: 1024px) {
    .megamenu-panel {
        padding-left: 0px;
        padding-right: 0px;
    }

    .container.headmenu {
        max-width: 100%;
    }

    .navigation {
        padding: 0px;
    }

    .nav-header {
        margin-right: 15px;
    }

    .lang {
        padding-top: 22px;
    }

        .lang > .btn-lang._today {
            display: block;
            padding-bottom: 8px;
        }

        .lang > .btn-lang:nth-of-type(2) {
            margin-left: 16px;
        }

        .lang > .btn-lang:nth-of-type(2),
        .lang > .btn-lang:nth-of-type(3) {
            width: 60px;
            display: inline-block;
        }

    .nav-header {
        margin-right: 15px;
    }

    .nav-menu > li > a {
        padding: 25px 15px;
        font-size: 16px;
    }

    .btn-registry > a, .btn-lang > a {
        height: 22px;
        line-height: 19px;
    }

    .btn-lang > .link-today {
        font-size: 12.5px;
        padding: 2px 10px;
    }

    .nav-brand > .logo > img {
        height: 60px;
    }

    .nav-header,
    .navigation,
    .navigation-portrait {
        height: 0;
    }

    .header_area {
        height: 70px;
    }

    .v2 .navigation {
        border-top: 0px;
    }

    .nav-toggle {
        margin-top: -50px;
    }
}


@media screen and (max-width: 991px) {
    .nav-header {
        float: unset;
    }

    .registry,
    .lang {
        display: none;
    }

    .nav-menu > li > a span.icon {
        display: none;
    }

    .language-link {
        display: block;
        margin: 28px 0 15px 30px;
    }

        .language-link a {
            display: inline-block;
            width: auto;
            margin-right: 15px;
            color: #fff;
            background: #0f6670;
            padding: 3px 10px;
            font-weight: 500;
            margin-top: 0;
            border-radius: 5px;
            -webkit-border-radius: 5px;
            -moz-border-radius: 5px;
            -ms-border-radius: 5px;
            -o-border-radius: 5px;
            font-size: 14px;
            line-height: 20px;
        }

            .language-link a:focus,
            .language-link a:hover,
            .language-link a.active {
                color: var(--neutral100);
                background: var(--primary900);
                text-decoration: none;
            }

    .nav-menu > li:hover > a,
    .nav-menu > li.active > a,
    .nav-menu > li.focus > a {
        color: #28262c;
        font-weight: 700;
    }

    .today-mobile {
        display: block;
    }
}

@media screen and (max-width: 768px) {
    .header_area {
        height: 70px;
    }

    .navigation-portrait .nav-menus-wrapper {
        left: -999px;
    }

    .secondary-link {
        display: none;
    }

    .nav-menu > li.secondary-link_mobile {
        display: block;
    }

    .secondary-link_mobile .megamenu-list > li {
        padding-left: 20px;
    }

        .secondary-link_mobile .megamenu-list > li.language {
            margin-top: 0;
        }

    .secondary-link_mobile .megamenu-list li.language a {
        display: inline-block;
        width: auto;
        margin-right: 15px;
        background: var(--neutral300);
        padding: 4px 10px;
        font-weight: 500;
        margin-top: 0;
        border-radius: 5px;
        -webkit-border-radius: 5px;
        -moz-border-radius: 5px;
        -ms-border-radius: 5px;
        -o-border-radius: 5px;
    }

    .secondary-link_mobile .megamenu-list > li {
        margin-top: 10px;
    }

        .secondary-link_mobile .megamenu-list > li:first-child {
            margin-top: 0;
        }
}

@media only screen and (min-width: 320px) and (max-width: 767px) {
    .nav-dropdown > li > a,
    .megamenu-list > li > a {
        width: 100%;
        padding: 5px 0px 0px;
    }

    .megamenu-list > li.megamenu-list-title > a {
        padding: 5px 0px 0px;
    }
}

@media screen and (max-width: 768px) {
    .nav-header,
    .navigation,
    .navigation-portrait {
        height: 0 !important;
    }

    .v2 .navigation {
        border-top: 0px;
    }

    .nav-toggle {
        margin-top: -50px;
    }

    .nav-brand > .logo > img {
        height: 60px;
    }
}

@media screen and (max-width: 479px) {
    .nav-header {
        margin-left: 5px;
        height: var(--menu-height-60);
    }

    .navigation,
    .navigation-portrait {
        height: var(--menu-height-60);
    }

    .library-info {
        margin-left: 30px;
    }

    .library-name {
        font-size: 16px;
    }

    .university-name {
        font-size: 12px;
    }

    div {
        line-height: 20px;
    }
}

@media screen and (max-width: 390px) {
    .today-mobile {
        width: 100%;
        padding-left: 30px;
        padding-right: 30px;
    }

    .library-info {
        margin-left: 30px;
    }

    .library-name {
        font-size: 13px;
    }

    .university-name {
        font-size: 9px;
    }

    div {
        line-height: 15px;
    }

    .nav-toggle {
        right: 100px;
    }
}

@media screen and (max-width: 320px) {
    .today-mobile > div {
        padding: 10px;
    }

    .library-info {
        margin-left: 20px;
    }

    .library-name {
        font-size: 11px;
    }

    .university-name {
        font-size: 8px;
        margin-left: 13px;
    }
}

.icon i {
    font-size: 24px;
}

.opening-hours {
    font-weight: bold;
    margin-right: 90px;
    font-size: 16px;
    color: #C50202;
}

.language {
    font-weight: bold;
    font-size: 13px;
}
