: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 red;
}
.v2 .nav-menu > li > a{
  color: #0F6670;
}
.v2 .nav-menu > li:hover > a,
.v2 .nav-menu > li.active > a,
.v2 .nav-menu > li.focus > a {
  color: #C50202;
  background: #fff;
}
.v2 .btn-lang>.link-today{
  background: #C50202;
  color: #FFF4E9;
  border: 0px solid;
}
.v2 .btn-lang>.link-today:hover{
  color: #fff;
}
.v2 .btn-lang>a{
  border: 1px solid #C50202;
  color: #C50202;
  background: #fff;
}
.v2 .btn-lang.active>a{
  background: #C50202;
  border: 1px solid #C50202;
  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: #F48120;
    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;
}