:root {
  --body: #fdf8e5;
  --do: #d20001;
  --xanh-duong: #0d5390;
  --button-do: #ff3d4b;
  --button-xam: #44525b;
  --vang-menu: #fce68f;
  --bg-menu: #0d081c;
  --bg-button-search: #80807f;
  --button-slider: #44525b;
  --vang-active: #a58308;
  --footer: #3c3c3c;
  --footer-tv: #313131;
	--blue-light: #58849c;
	--grey-light:#dcded0;
	--brown:#877861;
}

@font-face {
  font-family: "myriad-pro";
  src: url(/css/fonts/myriad-pro.otf);
  font-weight: 400;
}
@font-face {
  font-family: "myriad-pro";
  src: url(/css/fonts/myriadpro-bold-italic.otf);
  font-weight: 700;
  font-style: italic;
}
@font-face {
  font-family: "myriad-pro";
  src: url(/css/fonts/myriadpro-bold.otf);
  font-weight: 700;
}
@font-face {
  font-family: "myriad-pro";
  src: url(/css/fonts/myriadpro-italic.otf);
  font-style: italic;
}
@font-face {
  font-family: "myriad-pro";
  src: url(/css/fonts/myriadpro-semibold-italic.otf);
  font-weight: 500;
  font-style: italic;
}
@font-face {
  font-family: "myriad-pro";
  src: url(/css/fonts/myriadpro-semibold.otf);
  font-weight: 500;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--body);
  font-size: 16px;
  font-family: "roboto";
  font-weight: 400;
}

.boundary {
  max-width: 1300px;
}

.article .breadcrumb { padding-left: 20px; }

#main_content .box-video {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 15px;
}
.zone-banner {
  position: relative;
  overflow: hidden;
  height: 120px;
}
.zone-banner .boundary {
  max-width: 1300px;
}
.zone-banner .banner-image {
  position: absolute;
  bottom: 0;
  right: -150px;
  width: auto;
  height: 100%;
  z-index: 1;
}
.zone-banner .logo-banner {
  display: inline-block;
  width: auto;
  height: 100px;
  position: relative;
  z-index: 2;
  margin-top: 10px;
}
.zone-banner .logo-banner img {
  width: auto;
  height: 100%;
}

.view-web {
  width: 100%;
  background-color: transparent;
  margin: 0;
}
.view-web.banner::before {
  padding: 0;
}
.banner .img-banner {
  position: relative;
  width: 100%;
}
.banner .img-banner img {
  width: 100%;
  height: auto;
  display: block;
}
.banner .logo-banner {
  position: absolute;
  top: 50%;
  left: 10%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.banner .logo-banner img {
  width: 70px;
  height: auto;
}


.menu-bar .toogle-search {
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  padding: 10px;
  justify-content: end;
}
.menu-bar .toogle-search .btn-search { display:none;}
.menu-bar .toogle-search .toggle-menu {
  width: 28px;
  height: 22px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  position: relative;
  margin-top:5px;
}
.menu-bar .toogle-search .toggle-menu .line {
  height: 3px;
  width: 100%;
  border-radius: 3px;
  transform-origin: center;
  background: var(--bg-menu);
}
.menu-bar .toogle-search i {
  line-height: 1;
  color: var(--bg-menu);
}
.menu-bar .sky-bar {
  background-color: var(--bg-menu);
  height: 100vh;
  max-height:100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: -100%;
  transition: left 0.3s ease;
  z-index: 1000;
  overflow-y: auto;
  max-width:420px; 
  scrollbar-width: thin;
  scrollbar-color: #999 transparent;
}

.menu-bar .sky-bar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.menu-bar .sky-bar::-webkit-scrollbar-track {
  background: transparent;
}

.menu-bar .sky-bar::-webkit-scrollbar-thumb {
  background: #999;
  border-radius: 3px;
}

.menu-bar .sky-bar::-webkit-scrollbar-thumb:hover {
  background: #666;
}
.menu-bar .sky-bar.active {
  left: 0;
}
.menu-bar .sky-bar .list-menu-nav {
  display: flex;
  flex-direction: column;
  padding: 0;
  margin: 0;
  list-style: none;
}
.menu-bar .sky-bar .list-menu-nav li {
  position: relative;
}
.menu-bar .sky-bar .list-menu-nav li a {
  display: block;
  padding: 10px 10px 10px 20px;
  color: var(--vang-menu);
  text-decoration: none;
  transition: all 0.3s ease;
}
.menu-bar .sky-bar .list-menu-nav li a:hover {
  background: var(--do);
  color: #fff;
}
.menu-bar .sky-bar .list-menu-nav li a.active {
  background: var(--do);
  color: #fff;
}
.menu-bar .sky-bar .list-menu-nav li a.nav-member-name { color:#FFF; font-style:italic;  }

.menu-bar .sky-bar .nav-logo a { padding:0 0 0 10px!important; display:inline-block!important; }
.menu-bar .sky-bar .nav-logo a:hover { background:unset!important; }
.menu-bar .sky-bar .nav-logo img { height:70px; width:auto; margin-bottom:10px; }
.menu-bar .sky-bar .nav-logo a.icon-x { position: absolute; top: 10px; right: 10px; font-size: 2em; color: #666; }

.menu-bar .toggle-menu.active .line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-bar .toggle-menu.active .line:nth-child(2) {
  opacity: 0;
}
.menu-bar .toggle-menu.active .line:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -6px);
}

.menu-bar .menu-search { margin:-40px 0 20px 5px; text-align:left; }

.menu-bar .form-search {
  width: 60%;
  max-width:300px;
  margin-left:10px;
  display:inline-block!important;
}
.menu-bar .form-search form {
  display: flex;
  align-items: center;
  height:35px;
  border-radius: 20px;
  background: #313131;
}
.menu-bar .form-search input.input-search {
  border: none;
  outline: none;
  background: transparent;
  padding: 10px 0 10px 10px;
  color: white;
  width:calc(100% - 35px);
}
.menu-bar .form-search input::placeholder {
  color: white;
  font-style: italic;
}
.menu-bar .form-search button {
  cursor: pointer;
  background-color: var(--bg-button-search);
  width: 35px;
  height: 35px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  border: none;
}

.menu-bar .user-submenu { background-color:#666; color:#fff; padding:0; width:80%; margin:0 0 0 20px; border-radius:10px; list-style-type:none; display:flex; flex-direction:row; }
.menu-bar .user-submenu li a { color:inherit!important; }

.content-body {
  padding: 10px;
}
.content-body .activity .nhan-vat {
  padding: 0 0 40px 0;
}
.content-body .date-slogan {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
  position: relative;
  padding-bottom: 6px;
}
.content-body .date-slogan > span {
  display: inline-block;
  font-weight: 400;
  line-height: 1.2;
  padding-bottom: 0;
  position: relative;
  font-size: 0.95em;
  color: #363636;
}
.content-body .date-slogan > div {
  font-weight: 700;
  font-size: 0.9em;
  color: #444;
  text-align: left;
}
.content-body .activity {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.content-body .activity a {
  text-decoration: none;
}
.content-body .activity .lesson .title-chinh {
  display: flex;
  align-items: center;
  font-weight: 700;
  color: var(--xanh-duong);
  padding: 10px 15px 10px 0;
  gap: 10px;
  font-family: "myriad-pro";
}
.content-body .activity .lesson .title-chinh img {
  width: 32px;
  height: 32px;
  margin-bottom:5px;
}
.content-body .activity .lesson .slider-activity {
  position: relative;
  width: 100%;
  overflow: hidden;
}
.content-body .activity .lesson .slider-activity img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.content-body .activity .lesson .slider-activity .slick-prev,
.slider-activity .slick-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  border: none;
  z-index: 10;
  cursor: pointer;
  font-size: 1.25em;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.content-body .activity .lesson .slider-activity .slick-prev {
  left: 14px;
  background: var(--button-xam);
}
.content-body .activity .lesson .slider-activity .slick-next {
  right: 14px;
  background: var(--button-do);
}
.content-body .activity .slider-top-activity {
  max-width: 800px;
  margin: auto;
}
.content-body .activity .slider-top-activity__main img {
  width: 100%;
  height: auto;
  display: block;
}
.content-body .activity .slider-top-activity__thumbs {
  margin-top: 10px;
}
.content-body .activity .slider-top-activity__main img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.content-body .activity .slider-top-activity__thumbs img {
  width: 100%;
  height: 80px;
  object-fit: cover;
  cursor: pointer;
}
.content-body .activity .slider-top-activity__thumbs .slick-slide {
  padding: 0 5px;
}
.content-body .activity .slider-top-activity .slick-prev,
.content-body .activity .slider-top-activity .slick-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  border: none;
  color: #fff;
  font-size: 1.25em;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.content-body .activity .slider-top-activity .slick-prev {
  left: 10px;
}
.content-body .activity .slider-top-activity .slick-next {
  right: 10px;
}
.content-body .activity .slider-top-activity .slick-arrow:hover {
  background: var(--button-do);
}
.content-body .activity .slider-top-activity .slick-arrow {
  background: var(--button-xam);
}
.content-body .activity .slider-top-activity .slick-prev:before,
.content-body .activity .slider-top-activity .slick-next:before {
  content: "";
}
.content-body .activity .slider-top-activity .slick-prev i,
.content-body .activity .slider-top-activity .slick-next i {
  font-size: 1.25em;
  line-height: 1;
  color: #fff;
}
.content-body .activity .lesson .row {
  margin-top: 30px;
}
.content-body .activity .lesson .row:after {
  content: "";
  display: table;
  clear: both;
}
.content-body .activity .lesson .row .column {
  float: left;
  width: 16.66%;
}
.content-body .activity .lesson .row .column .demo:hover,
.active {
  opacity: 1;
}
.content-body .activity .lesson .img-lesson img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.content-body .activity .lesson .noi-dung-lesson {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.content-body .activity .lesson .noi-dung-lesson .title-lesson {
  font-size: 1.2em;
  font-weight: 700;
  color: #474646;
  font-style: italic;
  text-align: left;
}
.content-body .activity .lesson .noi-dung-lesson .title-lesson a {
  color: #474646;
}
.content-body .activity .lesson .noi-dung-lesson .ten-tg {
  color: #474646;
  font-style: italic;
  text-align: left;
}
.content-body .activity .lesson .noi-dung-lesson .ten-tg span {
  font-weight: 500;
  color: var(--vang-active);
  font-style: normal;
}
.content-body .activity .lesson .noi-dung-lesson .noi-dung-bg {
  line-height: 1.4;
  color: #474646;
  text-align: justify;
}
.content-body .activity .lesson ul {
  list-style: none;
  padding: 0 0 0 10px;
  margin-top: 57px;
}
.content-body .activity .tac-pham-list ul {
  margin: 0;
}
.content-body .activity .lesson ul li {
  position: relative;
  padding-left: 1em;
  line-height: 1.3;
  text-align: left;
  margin-bottom: 5px;
}
.content-body .activity .lesson ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4em;
  width: 0.4em;
  height: 0.4em;
  background: black;
  border-radius: 50%;
}
.content-body .activity .slider ul li a {
  text-decoration: none;
  color: #474646;
}
.content-body .activity .slider ul li a:hover {
  color: var(--vang-active);
}
.content-body .activity .lesson .list-bg.active {
  font-weight: 700;
  color: var(--vang-active);
}
.content-body .slider-banner .slick-dots {
  position: absolute;
  bottom: 3%;
  right: 10%;
  display: flex !important;
  gap: 15px;
}
.content-body .slider-banner .slick-dots li button {
  display: none;
}
.content-body .slider-banner .slick-dots li {
  font-size: 1.5em;
}
.content-body .slider-banner .slick-dots li.slick-active::marker {
  color: var(--button-do);
}
.content-body .slider-banner .slick-dots li::marker {
  color: white;
  font-size: 1.5em;
}
.content-body .slider-banner .slick-prev,
.content-body .slider-banner .slick-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex !important;
  align-items: center;
  justify-content: center;
  transition: 0.3s;
  border: none;
  font-weight: 700;
}
.content-body .slider-banner .slick-prev {
  left: 10px;
  background: var(--button-slider);
}
.content-body .slider-banner .slick-next {
  right: 10px;
  background: var(--button-slider);
}
.content-body .slider-banner .slick-arrow:hover {
  background: var(--button-do);
}
.content-body .slider-banner .slick-prev i,
.content-body .slider-banner .slick-next i {
  color: #fff;
  font-size: 0.8em;
}
.content-body .slider-banner a { display:block; aspect-ratio:4.333/1; }
.content-body .slider-banner a img { width:100%; height:100%; object-fit:cover; }


.content-body .activity .lesson .column-baiviet {
  display: flex;
  flex-direction: column;
  gap: 30px;
}
.content-body .activity .lesson .column-baiviet .card-bv .content h2 {
  font-size: 1.3em;
  font-style: italic;
  text-align: left;
}
.content-body .activity .lesson .column-baiviet .card-bv .content h2 a {
  color: #111;
}
.content-body .activity .lesson .column-baiviet > img {
  width: 100%;
  object-fit: cover;
}
.content-body .activity .lesson .column-baiviet .content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.content-body .activity .lesson .column-baiviet .content .author span {
  color: var(--vang-active);
  font-style: italic;
}
.content-body .activity .lesson .column-baiviet .content p {
  text-align: justify;
  font-style: italic;
}
.content-body .activity .lesson .column-baiviet .content .box-content{ display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 16; overflow: hidden; }
.content-body .activity .lesson .column-baiviet .content .box-content p {
  margin-bottom: 10px;
}
.content-body .activity .lesson .column-baiviet .content div.description {
  overflow: hidden;
  -webkit-line-clamp: 4;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  text-align: justify;
  font-size: 0.9em;
  font-style: italic;
}
.content-body .activity .lesson .column-baiviet .content div.desc-thongdiep {
  overflow: hidden;
  -webkit-line-clamp: 13;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  line-height:1.5em;
}
.content-body .activity .lesson .column-baiviet .content p a {
  color: var(--vang-active);
}
.content-body .activity .lesson .column-baiviet .content a.link {
  color: var(--vang-active);
  font-size: 1em;
  text-align: left;
  text-transform: uppercase;
}
.content-body .activity .buttons {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  margin-top: -20px;
  position:relative; z-index:10;
}
.content-body .activity .buttons button:hover { color:var(--vang-active); }
.content-body .activity .buttons .btn-prev-cd,
.content-body .activity .buttons .btn-next-cd {
  background: transparent;
  cursor: pointer;
  border: none;
  font-weight: 600;
  font-style: italic;
}
.content-body .slider-title-video .slider-clip a iframe {
  width: 360px;
  height: auto;
}
.content-body .slider-title-video .slick-slide {
  padding: 2px;
  height: 180px;
}
.content-body .slider-title-video .slider-clip .slick-prev,
.content-body .slider-title-video .slider-clip .slick-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex !important;
  align-items: center;
  justify-content: center;
  transition: 0.3s;
  border: none;
  font-weight: 700;
  color: white;
}
.content-body .slider-title-video .slider-clip .slick-prev {
  left: 10px;
  background: var(--button-slider);
}
.content-body .slider-title-video .slider-clip .slick-next {
  right: 10px;
  background: var(--button-do);
}
.content-body .slider-title-video .title-video {
  display: inline-block;
  width: 100%;
  font-weight: 700;
  color: var(--xanh-duong);
  font-size: 1em;
  font-family: "myriad-pro";
  padding: 10px;
  text-align: left;
}
.content-body .list-book-all {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.content-body .list-book-all .list-book ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.content-body .list-book-all .list-book ul li {
  position: relative;
  padding-left: 1em;
  line-height: 1.3;
  text-align: left;
}
.content-body .list-book-all .list-book ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.5em;
  height: 0.5em;
  background: black;
  border-radius: 50%;
}
.content-body .list-book-all .list-book ul li a {
  text-decoration: none;
  color: black;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.content-body .list-book-all .list-book ul li:nth-child(n+15) { display:none; }
.content-body .list-book-all .list-book ul li a:hover {
  color: var(--vang-active);
}
.content-body .activity .thong-diep .column-baiviet .card-bv img {
  width: 100%;
  aspect-ratio: 2/3;
}
.content-body .activity .nhan-vat .column-baiviet .card-bv .anh-nv img {
  width: 100%;
  height: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
/* .content-body .activity .nhan-vat .nhan-vatpg {
  margin-bottom: 40px;
} */
.content-body .activity .thong-diep .column-baiviet .card-bv .anh-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  width:30%; 
  overflow:hidden;
}
.content-body .activity .thong-diep .column-baiviet .card-bv .anh-card img {
  width: 317px;
  height: 196px;
}

.footer {
  background: #3c3c3c;
  color: #f5f5dc;
  padding: 0;
}
.footer h3 {
  margin-bottom: 10px;
  font-family: "myriad-pro";
}
.footer .footer-container {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 50px 20px;
}
.footer .footer-container .footer-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size:.9em;
}
.footer .footer-container .footer-menu .ds-menu-footer,
.footer .footer-container .footer-contact {
  margin-top: 40px;
}
.footer .footer-container .footer-menu ul .kc-danh-muc {
  margin-bottom: 30px;
}
.footer .footer-container .footer-menu ul li {
  position: relative;
  padding-left: 1em;
  line-height: 1.3;
  margin: 5px 0;
  text-align: left;
}
.footer .footer-container .footer-menu ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.5em;
  height: 0.5em;
  background: #f5f5dc;
  border-radius: 50%;
}
.footer .footer-container .footer-menu li a {
  text-decoration: none;
  color: #f5f5dc;
  font-size: 0.9em;
  text-transform:uppercase;
}
.footer .footer-container .footer-menu .hai-gach {
  position: relative;
  height: 1px;
  background: #f5f5dc;
  width: 100%;
  margin-top:20px;
}
.footer .footer-container .footer-menu .hai-gach::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  height: 1px;
  background: #f5f5dc;
  width: 100%;
}
.footer .footer-container .footer-contact {
  text-align: center;
  background: #313131;
  padding: 15px;
  color: #f5f5dc;
  aspect-ratio: 2 / 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.footer .footer-container .footer-contact p,
.footer .footer-container .footer-contact a {
  font-size: 1.1em;
  font-weight: 700;
  margin-top: 5px;
  font-weight: 400;
}
.footer .footer-container .footer-contact a {
  text-decoration: none;
  color: #f5f5dc;
  font-weight: 700;
}
.footer .footer-bottom {
  margin-top: 20px;
  color: #f5f5dc;
  background-color: black;
}
.footer .footer-bottom div {
  padding: 20px;
  margin: 0 auto;
  max-width: 1300px;
  text-align: left;
}
.login-popup-wrapper {
  display: none;
  position: fixed;
  z-index: 9999;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
}

.login-popup-wrapper .login-popup-content {
  background: #fff;
  width: 360px;
  margin: 10% auto;
  padding: 20px;
  border-radius: 12px;
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.login-popup-wrapper .login-popup-close {
  position: absolute;
  right: 15px;
  top: 10px;
  font-size: 24px;
  cursor: pointer;
  color: #444;
}

.login-popup-wrapper #login-popup-form {
  display: flex;
  flex-direction: column;
}

.login-popup-wrapper #login-popup-form label {
  margin: 10px 0 5px;
  font-weight: bold;
  text-align: left;
  width: 100%;
}

.login-popup-wrapper #login-popup-form input {
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 6px;
}

.login-popup-wrapper .btn-login-submit {
  margin-top: 15px;
  padding: 10px;
  background: #f59e0b;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
}
.login-popup-wrapper .btn-login-submit:hover {
  background: #d97706;
}
.login-popup-wrapper .captcha-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.login-popup-wrapper #captcha-question {
  font-weight: bold;
  background: #f3f4f6;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid #ddd;
}

.account-box {
  position: relative;
  display: inline-block;
  font-family: sans-serif;
}

.account-box .account-toggle {
  cursor: pointer;
  color: #fff;
  border-radius: 5px;
  user-select: none;
  text-transform: uppercase;
  font-size: 14px;
  color: var(--vang-menu);
}

.account-box .account-menu {
  position: absolute;
  top: 110%;
  right: -35px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  display: none;
  min-width: 130px;
  z-index: 1000;
}

.account-box .account-menu a,
.account-box .account-menu button {
  display: block;
  padding: 10px;
  color: #333;
  text-decoration: none;
  transition: background 0.2s;
  text-align: left;
  font-size: 14px;
  border: none;
  background-color: transparent;
  width: 100%;
  cursor: pointer;
}
.account-box .account-menu button.logout-user {
  border-top: 1px solid #ede8e8;
}
.logout-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.logout-overlay .logout-popup {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  width: 320px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.logout-overlay .logout-popup h3 {
  margin-bottom: 15px;
  font-size: 16px;
}

.logout-overlay .logout-popup button {
  margin: 0 5px;
  padding: 8px 16px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.logout-overlay .btn-confirm {
  background: #d20001;
  color: #fff;
}

.logout-overlay .user-cancel {
  background: #bdc3c7;
  color: #333;
}
.page-blogs {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px 0;
  gap: 20px;
}
.page-blogs .title-page {
  display: flex;
  align-items: center;
  font-weight: 700;
  color: var(--xanh-duong);
  padding: 10px 15px 10px 0;
  gap: 10px;
  font-family: "myriad-pro";
  font-size: 1em;
  text-transform: uppercase;
}
.page-blogs .title-page img {
  width: 30px;
  height: 30px;
}
.page-blogs .blogs-left,
.page-blogs .blogs-right {
  padding: 0 15px;
  order: 2;
  width: 100%;
}
.zone227-blog {
  color: #222;
  padding: 0 15px;
  margin: auto;
  order: 1;
}

.zone227-blog .post-form {
  background: #FFF;
  border: 1px solid #ddd;
  border-radius: 12px;
  margin-bottom: 20px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}
.zone227-blog .post-form form {
  padding: 15px;
 }

.zone227-blog .post-form textarea {
  width: 100%;
  border: none;
  border-radius: 8px;
  padding: 10px;
  resize: none;
  min-height: 100px;
  font-size: 16px;
  margin-bottom: 10px;
  font-family: "roboto";
}
.zone227-blog .post-form::placeholder {
  font-family: "roboto";
  font-size: 16px;
}
.zone227-blog .post-form .form-header { display:flex; flex-direction:row; align-items:center; justify-content:start; padding:15px; background-color:var(--body); border-radius:12px 12px 0 0; border-bottom:1px solid #DDD; gap:10px; }
.zone227-blog .post-form .form-header .circle-image { width:50px; height:50px; }
.zone227-blog .post-form .form-header .form-header-name { font-weight:bold; }
.zone227-blog .post-form .form-actions {
  display: flex;
  justify-content: end;
  margin-top:10px;
}
.zone227-blog .post-form .form-content {
  overflow: hidden auto;
}
.zone227-blog .post-form input[type="file"] {
  display: none;
}

.zone227-blog .custom-file-label {
  display: inline-block;
  background: #0d081c;
  color: #fff;
  padding: 8px 15px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  min-width: unset;
  margin: 0;
}

.zone227-blog .submit-btn {
  color: #fff;
  background: var(--vang-active);
  border: none;
  padding: 9px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}

.zone227-blog .post-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.zone227-blog .post-item {
  background: transparent;
  border-radius: 12px;
  border: 1px solid #ddd;
  padding: 15px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
  text-align:left;
  position:relative;
}

.zone227-blog .post-item .post-buttons { position:absolute; top:15px; right:15px; }
.zone227-blog .post-item .post-buttons button { border:0; background:unset; display:inline-block; margin-left:10px; cursor:pointer; transition:all .3s; }
.zone227-blog .post-item .post-buttons button:hover { transform:scale(1.05); }

.zone227-blog .post-header {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.zone227-blog .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 10px;
}

.zone227-blog .post-info {
  display: flex;
  flex-direction: column;
}

.zone227-blog .post-author {
  font-weight: bold;
  font-size: 14px;
}
.zone227-blog .post-author a { color:inherit;}

.zone227-blog .post-date {
  font-size: 12px;
  color: #666;
}

.zone227-blog .post-content {
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.zone227-blog .post-item img.post-image {
  max-width: 100%;
  border-radius: 8px;
  display: block;
}
.zone227-blog .post-form textarea {
  scrollbar-width: thin;
  scrollbar-color: #c5c8cc #fff;
}

.zone227-blog .post-form textarea::-webkit-scrollbar {
  width: 2px;
  height: 10px;
}

.zone227-blog .post-form textarea::-webkit-scrollbar-track {
  background: #fff;
}

.zone227-blog .post-form textarea::-webkit-scrollbar-thumb {
  background-color: #c5c8cc;
  border-radius: 10px;
}

.zone227-blog .post-form textarea::-webkit-scrollbar-thumb:hover {
  background-color: #c5c8cc;
}
.zone227-blog .post-form .form-content {
  scrollbar-width: thin;
  scrollbar-color: #c5c8cc #fff;
}

.zone227-blog .post-form .form-content::-webkit-scrollbar {
  width: 2px;
  height: 10px;
}

.zone227-blog .post-form .form-content::-webkit-scrollbar-track {
  background: #fff;
}

.zone227-blog .post-form .form-content::-webkit-scrollbar-thumb {
  background-color: #c5c8cc;
  border-radius: 10px;
}

.zone227-blog .post-form .form-content::-webkit-scrollbar-thumb:hover {
  background-color: #c5c8cc;
}

.zone227-blog .post-form #image_container { margin:10px 0; text-align:left; }


.video-item { background-color:#e6e9de; padding:5px; box-sizing:border-box; }
.video-item .video-title { font-weight:bold; margin-top:10px; }
.video-item .video-title.sub { font-weight:normal; }

.youtube-thumb { display:block; aspect-ratio:1.777; overflow:hidden; position:relative; }
.youtube-thumb img { width:100%; height:100%!important; object-fit:cover; }
.youtube-thumb .item-iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #333;
  color: #fff;
  border-radius: 50%;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.xsubmenu {
  display: none;
  background: #444;
}
.xsubmenu li {
  list-style: none;
}
.xsubmenu .xmenu__link {
  padding: 10px 20px;
}
.xsubmenu .xmenu__link:hover {
  background: #555;
}

.xicon-toggle {
  display: inline-block;
  margin-left: 5px;
  cursor: pointer;
  color: var(--vang-menu);
  font-size: 15px;
  position: absolute;
  right: 20px;
  padding: 5px;
  top: 5px;
}

@media (min-width: 768px) {
  
  #main_content .box-video {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-body .activity .thong-diep .column-baiviet .card-bv img {
    width: 30%;
  }
  .content-body .activity .buttons {
    margin-left: auto;
    width: 65%;
  }
  .zone-banner .banner-image {
    position: absolute;
    bottom: 0;
    right: 0;
    width: auto;
    height: 100%;
    z-index: 1;
  }

  .banner .logo-banner img {
    width: 150px;
  }

  .content-body {
    max-width: 1300px;
    margin: 0 auto;
  }
  .content-body .activity .lesson .title-chinh {
    font-size: 1.3em;
	line-height:1.5em;
  }
  .content-body .date-slogan {
    flex-direction: row;
    justify-content: space-between;
  }
  .content-body .date-slogan {
    border-bottom: 3px double #333232;
    padding-bottom: 6px;
    margin-bottom: 12px;
    margin-top: 30px;
  }
  .content-body .activity .lesson .img-gird img {
    width: calc(50% - 10px);
  }
  .content-body .activity .lesson .column-baiviet .card-bv {
    display: flex;
    flex-direction: row;
    gap: 40px;
	overflow:hidden;
  }
  .content-body .activity .lesson .column-baiviet .card-bv .anh-nv {
    width: 30%;
  }
  .content-body .activity .lesson .column-baiviet .card-bv .content {
    width: 70%;
  }
  .content-body .list-book-all {
    flex-direction: row;
    max-width: 1500px;
    margin: 0 auto;
  }
  .content-body .list-book-all .list-book {
    width: 33.3%;
  }
  /* .content-body .activity .nhan-vat .column-baiviet .card-bv .anh-nv img {
    width: 350px;
  } */
  .content-body .activity .lesson .slider-custom .customSlide img {
    height: 260px;
  }
  .content-body .activity .lesson .row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .content-body .activity .lesson .row > div {
    flex: 0 0 calc(33.333% - 10px);
    box-sizing: border-box;
  }
  .content-body .activity .slider-top-activity__main img {
    height: 270px;
  }
  .content-body .activity .slider-top-activity__thumbs.slick-initialized {
    display: block !important;
  }
  .content-body .activity .slider-top-activity__thumbs {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .content-body .activity .slider-top-activity__thumbs img {
    height: 100px;
    border: 2px solid transparent;
  }
  .content-body .activity .slider-top-activity__thumbs img.active {
    border: 2px solid #ff3d4b;
  }

  .footer .footer-container {
    flex-direction: row;
    max-width: 1300px;
    margin: 0 auto;
  }
  .footer .footer-container .footer-menu {
    flex: 1;
  }
  .footer .footer-container .footer-contact {
    flex: 1;
  }
  .footer .footer-container .footer-contact a {
    font-size: 2em;
  }
}
@media (min-width: 996px) {
  .menu-bar .sky-bar {
    overflow: unset;
    height: 100%;
  }
  .menu-bar .sky-bar .list-menu-nav {
    height: 100%;
	font-size:.8em;
  }
  .menu-bar .sky-bar .list-menu-nav li {
    height: auto;
  }
  .menu-bar .sky-bar .list-menu-nav li a{
    height: 100%;
  }
  .menu-bar .sky-bar .list-menu-nav li.nav-user-menu { margin-top:20px; }
  .menu-bar .sky-bar .list-menu-nav li.nav-user-menu a { height:auto; }
  .menu-bar .sky-bar .list-menu-nav li.nav-user-menu a:hover { background-color:#333; color:#FFF!important; }
  
  .page-blogs {
    flex-direction: row;
    gap: 0;
  }
  .zone227-blog,
  .page-blogs .blogs-left,
  .page-blogs .blogs-right {
    order: unset;
  }
  .zone227-blog {
    margin-top: 50px;
  }
  .page-blogs .blogs-left,
  .page-blogs .blogs-right {
    width: 20%;
  }
  .page-blogs .zone227-blog {
    width: 60%;
  }
  #main_content .box-video {
    grid-template-columns: repeat(3, 1fr);
  }

  .menu-bar .toogle-search {
    order: 2;
    height: 64px;
  }

  .content-body .date-slogan {
    font-size: 1em;
  }
  .content-body .activity .lesson .img-gird img {
    width: calc(33.3% - 15px);
  }
  .content-body .slider-title-video {
    max-width: 1300px;
    margin: 0 auto;
    margin-left: 20px;
    margin-bottom: 30px;
  }
  .content-body .slider-title-video .slider-clip img {
    width: 300px;
    height: 180px;
  }
  .content-body .slider-title-video .slider-clip a iframe {
    width: 280px;
  }

  .footer .footer-container .footer-contact .phone {
    font-size: 1.5em;
  }
}
@media (min-width: 1200px) {
	.xmenu__list {
		flex-direction: row;
	}
	.xmenu__item {
		border: none;
	}
	.xicon-toggle {
		right: 0;
		top: 30%;
		font-size: 8px;
	}
	.xsubmenu {
		position: absolute;
		top: 100%;
		left: 0;
		min-width: 180px;
	}
	.xmenu__item:hover > .xsubmenu {
		display: block;
	}

	.menu-bar .sky-bar .nav-logo, .menu-bar .sky-bar .icon-x { display:none; }
	.menu-bar .menu-search { margin:0; }
	
	.menu-bar .sky-bar .list-menu-nav li.nav-user-menu { margin:0; position:relative; }
	.menu-bar .sky-bar .list-menu-nav li.nav-user-menu ul { position: absolute; width:100%; list-style-type: none; color: #333; text-align: right; right: 0; box-shadow: 0 0 3px #666; z-index: 9999; border-radius:0 0 10px 10px; background-color: #DDD; display:none; }
	.menu-bar .sky-bar .list-menu-nav li.nav-user-menu:hover ul { display:block; }
	
  #main_content .box-video {
    grid-template-columns: repeat(4, 1fr);
  }
  .content-body .activity .buttons .btn-prev-cd,
  .content-body .activity .buttons .btn-next-cd {
    font-size: 18px;
  }
  .zone-banner {
    height: 200px;
  }
  .zone-banner .banner-image {
    width: 100%;
    height: auto;
  }
  .zone-banner .logo-banner {
    height: 170px;
    margin-top: 15px;
  }

  .banner .logo-banner img {
    width: 200px;
  }

  .menu-bar {
    display: flex;
    flex-direction: row;
    background-color: var(--bg-menu);
	position:relative;
  }
  .menu-bar .limit-menu {
    width: 100%;
    display: flex;
    max-width: 1300px;
    margin: 0 auto;
  }
  .menu-bar .toogle-search { height:50px; }
  .menu-bar .toogle-search i {
    color: var(--vang-menu);
	margin-top: 5px;
  }
  .menu-bar .toogle-search .toggle-menu {
    display: none;
  }
  .menu-bar .sky-bar {
    width: 100%;
    /* height: 59px; */
    position: unset;
    background: none;
  }
  .menu-bar .sky-bar .list-menu-nav {
    flex-direction: row;
    /* height: 60px; */
    align-items: center;
    flex-wrap: nowrap;
    white-space: nowrap;
	margin-top:0;
  }
  .menu-bar .sky-bar .list-menu-nav li a { height:50px; line-height:50px; padding:0 15px; }
  
  .menu-bar .sky-bar .list-menu-nav li a.nav-member-name { max-width: 192px; overflow: hidden; text-overflow: ellipsis; white-space:nowrap; }
  
  .menu-bar .form-search {
    position: absolute;
    top: 8px;
    right: 10px;
    width: 150px;
    margin: 0;
  }

  .content-body .activity {
    display: flex;
    gap: 10px;
    flex-direction: row;
  }
  .content-body .activity .lesson {
    width: 40%;
  }
  .content-body .activity .slider {
    width: 25%;
  }
  .content-body .activity .slider.tac-pham-list {
    width: 30%;
  }

  .content-body .activity .center-lesson {
    width: 35%;
  }
  .content-body .activity .lesson .img-lesson img {
    height: 270px;
  }
  .content-body .activity .thong-diep {
    width: 70%;
  }
  .content-body .activity .nhan-vat {
    width: 100%;
  }
  .content-body .activity .lesson .column-baiviet .content div.description {
    font-size: 1em;
  }
  .content-body .activity .lesson .column-baiviet .buttons .btn-prev-cd,
  .content-body .activity .lesson .column-baiviet .buttons .btn-next-cd {
    font-size: 1.1em;
  }
  .content-body .activity .lesson .noi-dung-lesson .title-lesson {
    font-size: 1.2em;
    margin-top: 10px;
  }

  .footer h3 {
    font-size: 1.4em;
    text-align: left;
	margin-bottom:25px;
  }
  .footer .footer-container .footer-menu li a {
    font-size: 1.1em;
  }
}
@media (min-width: 1300px) {
  .banner .logo-banner {
    left: 20%;
  }
  .banner .logo-banner img {
    width: 70%;
  }

  .menu-bar .toogle-search {
    display: none;
  }
  .menu-bar .menu-search {
    display: flex;
    align-items: center;
    width: 100%;
  }
	.menu-bar .sky-bar { max-width:unset; }
  
  .menu-bar .form-search {
    width: 230px;
    margin-left: unset;
    height: 35px;
	position:relative;
	top:unset; right:unset;
  }
}
@media (min-width: 1400px) {
  .content-body .activity .lesson .column-baiviet .content h2 {
    font-size: 1.4em;
  }
}
@media (min-width: 1500px) {
  .content-body .slider-title-video .slider-clip img {
    width: 350px;
    height: 200px;
  }
}
@media (min-width: 1600px) {
  .banner .logo-banner {
    left: 25%;
  }
}
@media (min-width: 1900px) {
}