/* =========================== color =========================== */
/* =========================== media =========================== */
a {
  color: #4caf50;
}
a:hover,
a:focus {
  color: #4caf50;
  text-decoration: none;
}
.link-dark:hover,
.link-light:hover,
.link-white {
  color: #4caf50;
}
.text-primary,
.color-primary {
  color: #4caf50 !important;
}
.btn-link:hover,
.btn-link:focus,
.btn-link.focus {
  color: #4caf50;
}
.btn-primary {
  border-color: #3d8b40;
  background-color: #4caf50;
}
.btn-primary:hover,
.btn-primary:focus,
.btn-primary.focus,
.btn-primary.active {
  background-color: #409343;
}
.label-primary {
  background-color: #4caf50;
}
.nav.nav-tabs > li.active > a,
.nav.nav-tabs > li:hover > a {
  border-color: #4caf50;
  color: #4caf50;
}
.nav.nav-tabs > li.active > a .text-muted,
.nav.nav-tabs > li:hover > a .text-muted {
  color: #4caf50;
}
.nav-pills > li.active > a,
.nav-pills > li.active > a:hover,
.nav-pills > li.active > a:focus {
  background-color: #4caf50;
}
.es-piece .piece-header {
  border-color: #4caf50;
}
.breadcrumb a:hover {
  color: #4caf50;
}
.course-detail-header .course-data > li .dropdown-toggle:hover,
.course-detail-header .course-data > li > a:hover {
  color: #4caf50;
}
.es-tabs .tab-header > ul > li > a:hover {
  color: #4caf50;
}
.class-serve > ul > li.active {
  background-color: #4caf50;
}
.article-metas .metas-body .title a:hover {
  color: #4caf50;
}
.media.media-number .media-body > a:hover {
  color: #4caf50;
}
.btn-tag:hover {
  color: #4caf50;
  border-color: #4caf50;
}
.media-hot-comment .comments-info p a,
.media-hot-comment .comments-info h5 a:hover {
  color: #4caf50;
}
.class-signin .btn-signin {
  background-color: #4caf50;
}
.sidenav .list-group .list-group-item.active {
  border-color: #4caf50;
}
.sidenav .list-group .list-group-item.active > a {
  color: #4caf50;
}
.es-bar-menu > ul > li.active,
.es-bar-menu > ul > li:hover {
  background-color: #4caf50;
}
.pagination > .active > a,
.pagination > .active > span,
.pagination > .active > a:hover,
.pagination > .active > span:hover,
.pagination > .active > a:focus,
.pagination > .active > span:focus {
  background-color: #4caf50;
  border-color: #4caf50;
}
.badge-primary {
  background-color: #4caf50;
}
.es-filter .nav-sort > li > a:hover,
.es-filter .nav-sort > li > a.active {
  background-color: #4caf50;
  color: #fff;
}
.es-filter .filter label:hover {
  color: #4caf50;
}
.class-header.after .class-data > li > a:hover {
  color: #4caf50;
}
.class-header .class-data > li .dropdown-toggle:hover {
  color: #4caf50;
}
.progress-bar,
.rank_num {
  background-color: #4caf50;
}
.bar-task .bar-task-header,
.bar-task .bar-time-line > li:before {
  background-color: #4caf50;
}
.bar-task .bar-time-line > li .es-icon {
  color: #4caf50;
}
.nav-filter .nav-pills > li.dropdown > a:hover {
  color: #4caf50;
}
.dropdown-menu > .active > a,
.dropdown-menu > .active > a:hover,
.dropdown-menu > .active > a:focus,
.dropdown-menu > li > a:hover {
  background-color: #4caf50;
}
.page-header .badge {
  background-color: #4caf50 !important;
}
.es-tabs .tab-body > ul > li.active > a,
.es-tabs .tab-body > ul > li > a:hover {
  color: #4caf50;
}
.nav.nav-tabs .highlight {
  border-color: #4caf50;
}
.link-dark:hover {
  color: #4caf50 !important;
}
.list-group-item.active,
.list-group-item.active:hover,
.list-group-item.active:focus {
  background-color: #4caf50;
  border-color: #4caf50;
}
.text-overflow {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-wrap: normal;
}
.btn-primary {
  border-color: #4caf50;
}
.btn-warning {
  background: #fe6702;
  border-color: #fe6702;
}
.btn-warning:hover {
  background: #e65d01;
  border-color: #e65d01;
}
input::-webkit-input-placeholder {
  color: #e1e1e1 !important;
}
input:-moz-placeholder {
  color: #e1e1e1 !important;
}
input::-moz-placeholder {
  color: #e1e1e1 !important;
}
input:-ms-input-placeholder {
  color: #e1e1e1 !important;
}
input:focus {
  border-color: #4caf50;
  outline: 0;
  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(58, 178, 43, 0.6);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(58, 178, 43, 0.6);
}
.nav > li.nav-more .open > a,
.nav > li.nav-more .open.active > a,
.nav > li.nav-more .open > a:hover,
.nav > li.nav-more .open > a:focus {
  background-color: #4caf50 !important;
}
input:focus {
  border-color: #4caf50;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(76, 175, 80, 0.6);
}
.es-header {
  background: #fff;
}
.nav.user-nav > li > a {
  color: #616161;
}
.nav.user-nav > li > a:hover,
.nav.user-nav > li > a:focus {
  color: #313131;
}
.navbar-mobile .navbar-more {
  color: #313131;
}
.rt-header {
  position: relative;
  height: 114px;
  padding: 32px 0 50px 0;
  display: block;
  background: #fff;
  z-index: 2;
}
.rt-header .container {
  position: relative;
}
.rt-header .navbar-brand-logo img {
  height: 50px;
}
.rt-header .navbar-brand {
  line-height: 30px;
  height: 40px;
  color: #4caf50;
}
.rt-header .navbar-user {
  margin-top: -10px;
  display: inline-block;
  right: -35px;
}
.rt-header .navbar-user .btn-primary {
  margin-left: 16px;
}
.rt-search {
  position: absolute;
  top: 0;
  left: 47.8%;
  width: 470px;
  height: 44px;
  margin-left: -234px;
}
@media (max-width: 1199px) {
  .rt-search {
    margin-left: -174px;
  }
}
.rt-search .form-control {
  float: left;
  width: 422px;
  height: 44px;
  padding-left: 16px;
  font-size: 14px;
  font-weight: bold;
  border: 2px solid #4caf50;
  border-radius: 4px 0 0 4px;
}
@media (max-width: 1199px) {
  .rt-search .form-control {
    width: 300px;
  }
}
.rt-search .btn-primary {
  float: left;
  height: 44px;
  font-size: 16px;
  border-radius: 0 4px 4px 0;
}
.homepage .rt-nav .rt-sidebar {
  display: block;
}
.homepage .rt-nav .navbar-nav {
  margin-left: 248px;
}
.rt-nav {
  height: 54px;
  width: 100%;
  background: #4caf50;
}
.rt-nav .container {
  position: relative;
}
.rt-nav ul > li > a {
  font-size: 12px;
  padding: 0 20px;
  color: #fff;
  padding-top: 18px;
}
.rt-nav .dropdown-menu > li > a {
  color: #616161;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.rt-nav .dropdown-menu > li > a:hover {
  color: #fff;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.rt-nav .rt-sidebar {
  display: none;
  width: 220px;
  position: absolute;
  left: 10px;
  top: 0;
  z-index: 2;
  background: #313131;
  background: rgba(0, 0, 0, 0.8);
}
.rt-nav .rt-sidebar .sidebar-submenu-warp {
  position: absolute;
  left: 100%;
  top: 40px;
  bottom: 0;
  width: 920px;
  border: 1px solid #e1e1e1;
  background: #fff;
  overflow: hidden;
  display: none;
}
@media (max-width: 1199px) {
  .rt-nav .rt-sidebar .sidebar-submenu-warp {
    width: 720px;
  }
}
@media (max-width: 991px) {
  .rt-nav .rt-sidebar .sidebar-submenu-warp {
    width: 520px;
  }
}
.rt-nav .rt-sidebar .sidebar-submenu-warp .sidebar-submenu-item {
  position: relative;
  padding: 10px 32px;
  border-bottom: 1px solid #e1e1e1;
  min-height: 65px;
}
@media (max-width: 1199px) {
  .rt-nav .rt-sidebar .sidebar-submenu-warp .sidebar-submenu-item {
    min-height: 62px;
  }
}
@media (max-width: 1199px) {
  .rt-nav .rt-sidebar .sidebar-submenu-warp .sidebar-submenu-item {
    min-height: 57px;
  }
}
.rt-nav .rt-sidebar .sidebar-submenu-warp .submenu-title {
  position: absolute;
  top: 10px;
  left: 32px;
  width: 100px;
  margin: 10px 20px 10px 0;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-wrap: normal;
}
.rt-nav .rt-sidebar .sidebar-submenu-warp .submenu-ul {
  float: left;
  padding-left: 120px;
  margin-bottom: 0;
}
.rt-nav .rt-sidebar .sidebar-submenu-warp .submenu-ul li {
  list-style: none;
  display: inline-block;
}
.rt-nav .rt-sidebar .sidebar-submenu-warp .submenu-ul li a {
  font-size: 12px;
  padding: 0;
  margin-right: 40px;
}
.rt-nav .rt-sidebar .sidebar-title {
  background: #449d48;
  text-align: center;
  padding: 17px 16px;
  color: #fff;
}
.rt-nav .rt-sidebar .sidebar-title a {
  padding: 0 24px;
  color: #fff;
}
.rt-nav .rt-sidebar .nav {
  height: 450px;
  overflow: hidden;
}
@media (max-width: 1199px) {
  .rt-nav .rt-sidebar .nav {
    height: 370px;
  }
}
@media (max-width: 991px) {
  .rt-nav .rt-sidebar .nav {
    height: 284px;
  }
}
.rt-nav .rt-sidebar .sidebar-menu {
  padding: 18px 16px;
  height: 75px;
  overflow: hidden;
  box-shadow: inset 0px -1px 0px 0px rgba(255, 255, 255, 0.1);
}
@media (max-width: 1199px) {
  .rt-nav .rt-sidebar .sidebar-menu {
    height: 62px;
    padding: 10px 16px;
  }
}
@media (max-width: 991px) {
  .rt-nav .rt-sidebar .sidebar-menu {
    height: 71px;
  }
}
.rt-nav .rt-sidebar .sidebar-menu .sidebar-submenu-content {
  display: none;
}
.rt-nav .rt-sidebar .sidebar-menu:hover {
  background: rgba(0, 0, 0, 0.5);
}
.rt-nav .rt-sidebar .sidebar-menu h5 {
  margin: 0;
}
.rt-nav .rt-sidebar .sidebar-menu h5 a {
  font-size: 12px;
  line-height: 14px;
}
.rt-nav .rt-sidebar .sidebar-menu .sidebar-more {
  position: absolute;
  top: 50%;
  margin-top: -10px;
  right: 5px;
}
.rt-nav .rt-sidebar .sidebar-menu .sidebar-more i {
  font-size: 20px;
}
.rt-nav .rt-sidebar .sidebar-menu .sidebar-menu-item {
  font-size: 12px;
  line-height: 16px;
}
.rt-nav .rt-sidebar .sidebar-menu .sidebar-menu-item a {
  margin-top: 12px;
  margin-right: 16px;
}
@media (max-width: 991px) {
  .rt-nav .rt-sidebar .sidebar-menu .sidebar-menu-item a {
    margin-top: 16px;
  }
}
.rt-nav .rt-sidebar .sidebar-menu a {
  color: white;
  display: inline-block;
  opacity: .8;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.rt-nav .rt-sidebar .sidebar-menu a:hover {
  color: #4caf50;
  opacity: 1;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.rt-nav .navbar-nav li:hover {
  background: #3d8b40;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.rt-footer {
  padding: 20px 0;
  background: #111;
}
.rt-footer a {
  color: #c1c1c1;
}
.rt-footer .footer-sns {
  float: right;
  display: inline-block;
}
.rt-footer .footer-sns > a {
  display: inline-block;
  margin-left: 12px;
}
.rt-footer .footer-sns i {
  opacity: 0.4;
  filter: alpha(opacity=40);
  color: #fff;
}
.rt-footer .qrcode-popover.top .qrcode-content {
  left: -88px;
}
.es-poster {
  max-height: 450px;
}
@media (max-width: 767px) {
  .es-poster {
    max-height: 150px;
  }
}
.es-poster .swiper-tile {
  background-size: auto 100%;
  background-position: center center;
  background-repeat: no-repeat;
  height: 450px !important;
}
@media (max-width: 1199px) {
  .es-poster .swiper-tile {
    height: 370px !important;
  }
}
@media (max-width: 991px) {
  .es-poster .swiper-tile {
    height: 284px !important;
  }
}
@media (max-width: 767px) {
  .es-poster .swiper-tile {
    height: 150px !important;
  }
}
.es-poster .swiper-tile img {
  visibility: hidden;
}
.rt-ad {
  background: white;
  padding: 30px 0;
}
@media (max-width: 767px) {
  .rt-ad {
    padding: 20px 0;
  }
}
.rt-ad img {
  width: 100%;
}
@media (max-width: 767px) {
  .rt-ad .ad-item {
    padding: 0 5px;
  }
}
.rt-section {
  padding: 30px 0;
}
@media (max-width: 767px) {
  .rt-section {
    padding: 20px 0;
  }
}
.rt-section.rt-section-gray {
  background: #fafafa;
}
.rt-section.rt-section-white {
  background: white;
}
.rt-section .rt-section-header {
  font-size: 24px;
  line-height: 24px;
  position: relative;
  padding-left: 20px;
  margin-bottom: 20px;
  color: #313131;
}
@media (max-width: 767px) {
  .rt-section .rt-section-header {
    font-size: 20px;
    line-height: 20px;
  }
}
.rt-section .rt-section-header.rt-section-header-white {
  color: #fff;
}
.rt-section .rt-section-header.rt-section-header-white .more {
  color: #fff;
}
.rt-section .rt-section-header:before {
  position: absolute;
  top: 0;
  left: 0;
  content: '';
  width: 6px;
  height: 100%;
  background: #4caf50;
}
.rt-section .rt-section-header .more {
  float: right;
  color: #919191;
  font-size: 14px;
  line-height: 14px;
  margin-top: 5px;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
@media (max-width: 767px) {
  .rt-section .rt-section-header .more {
    margin-top: 3px;
  }
}
.rt-section .rt-section-header .more:hover {
  color: #4caf50;
}
.rt-section .rt-section-body .course-list .mobile-pic {
  position: relative;
}
.rt-section .rt-section-body .course-list .mobile-pic .course-item {
  margin-bottom: 0;
}
.rt-section .rt-section-body .course-list .mobile-pic__item {
  position: absolute;
  right: 0;
}
.rt-section .rt-section-body .course-list .mobile-pic__item:last-child {
  bottom: 0;
}
.rt-section .rt-section-body .course-list .course-item {
  background: none;
  border: none;
  border-radius: 2px;
  box-shadow: 0px 3px 1px -2px rgba(0, 0, 0, 0.2), 0px 2px 2px 0px rgba(0, 0, 0, 0.14), 0px 1px 5px 0px rgba(0, 0, 0, 0.12);
}
.rt-section .rt-section-body .course-list .course-item .tags {
  position: absolute;
  top: 5px;
  left: 5px;
}
@media (max-width: 1199px) {
  .rt-section .rt-section-body .course-list .course-item .tags {
    top: 0px;
  }
}
.rt-section .rt-section-body .course-list .course-item:hover {
  box-shadow: 0px 5px 5px -3px rgba(0, 0, 0, 0.2), 0px 8px 10px 1px rgba(0, 0, 0, 0.14), 0px 3px 14px 2px rgba(0, 0, 0, 0.12);
}
@media (max-width: 1199px) {
  .rt-section .rt-section-body .course-list .course-item {
    margin-bottom: 20px;
  }
}
.rt-section .rt-section-body .course-list .course-info {
  background: white;
  border-bottom-left-radius: 2px;
  border-bottom-right-radius: 2px;
  padding: 12px;
}
@media (max-width: 1199px) {
  .rt-section .rt-section-body .course-list .course-info {
    padding: 10px 10px 11px 10px;
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .rt-section .rt-section-body .course-list .course-info {
    padding: 4px 6px;
  }
}
@media (max-width: 320px) {
  .rt-section .rt-section-body .course-list .course-info {
    padding: 2px !important;
  }
}
@media (max-width: 480px) {
  .rt-section .rt-section-body .course-list .course-info {
    padding: 4px 10px;
  }
}
@media (max-width: 380px) and (min-width: 350px) {
  .rt-section .rt-section-body .course-list .course-info {
    padding: 6px 10px;
  }
}
@media (max-width: 400px) and (min-width: 380px) {
  .rt-section .rt-section-body .course-list .course-info {
    padding: 8px 10px;
  }
}
@media (max-width: 475px) and (min-width: 400px) {
  .rt-section .rt-section-body .course-list .course-info {
    padding: 10px;
  }
}
.rt-section .rt-section-body .course-list .course-info .course-title {
  margin: 0 0 16px 0;
}
@media (max-width: 480px) {
  .rt-section .rt-section-body .course-list .course-info .course-title {
    margin: 8px;
  }
}
.rt-section .rt-section-body .course-list .course-info .course-title a {
  font-size: 14px;
  color: #313131;
  line-height: 14px;
}
.rt-section .rt-section-body .course-list .course-info .course-title a:hover {
  color: #4caf50;
}
@media (min-width: 991px) and (max-width: 1199px) {
  .rt-section .rt-section-body .course-list .course-info .course-title {
    margin-bottom: 8px;
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .rt-section .rt-section-body .course-list .course-info .course-title {
    margin-bottom: 2px;
  }
}
.rt-section .rt-section-body .course-list .course-info .course-number {
  font-size: 12px;
  line-height: 20px;
}
.rt-section .rt-section-body .course-list .course-info .course-number .course-price-widget .price {
  font-size: 12px;
}
.rt-section .rt-section-body .course-list .course-info .course-number .course-student {
  color: #919191;
}
.rt-classroom-wrap {
  position: relative;
  margin-bottom: 20px;
}
.rt-classroom-wrap:hover .classroom-mask,
.rt-classroom-wrap:hover .classroom-item {
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
  opacity: 1;
  transform: translateY(-10px);
}
.rt-classroom-wrap:hover .classroom-mask {
  z-index: 1;
}
.rt-classroom-wrap .classroom-mask {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: -1;
  opacity: 0;
  margin: 15px;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
  background-image: -webkit-linear-gradient(-180deg, rgba(0, 0, 0, 0) 0%, #000000 98%);
  background-image: -moz-linear-gradient(-180deg, rgba(0, 0, 0, 0) 0%, #000000 98%);
  background-image: -o-linear-gradient(-180deg, rgba(0, 0, 0, 0) 0%, #000000 98%);
  background-image: linear-gradient(-180deg, rgba(0, 0, 0, 0) 0%, #000000 98%);
}
.rt-classroom-wrap .classroom-mask .classroom-mask-btn {
  position: absolute;
  width: 120px;
  top: 50%;
  margin-top: -20px;
  left: 50%;
  margin-left: -60px;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.rt-classroom-wrap .classroom-layer {
  position: absolute;
  left: 5px;
  right: 5px;
  top: 10px;
  height: 100%;
  background: #fff;
  -webkit-box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
  -moz-box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
}
.rt-classroom-wrap .classroom-item {
  position: relative;
  background: #fff;
  padding: 15px;
  -webkit-box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  -moz-box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.rt-classroom-wrap .classroom-info {
  position: absolute;
  bottom: 15px;
  left: 15px;
  right: 15px;
  height: 60px;
  padding: 22px 20px;
  color: #fff;
}
.rt-classroom-wrap .classroom-info-mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  content: '';
  opacity: 0.8;
  background-image: -webkit-linear-gradient(rgba(0, 0, 0, 0) 0%, #000000 98%);
  background-image: -moz-linear-gradient(rgba(0, 0, 0, 0) 0%, #000000 98%);
  background-image: -o-linear-gradient(rgba(0, 0, 0, 0) 0%, #000000 98%);
  background-image: linear-gradient(rgba(0, 0, 0, 0) 0%, #000000 98%);
}
.rt-classroom-wrap .classroom-title {
  position: relative;
  z-index: 1;
  float: left;
  width: 60%;
  font-size: 16px;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-wrap: normal;
}
.rt-classroom-wrap .classroom-metas {
  position: relative;
  z-index: 1;
  float: right;
  text-align: right;
  margin: 2px 0;
  width: 30%;
  font-size: 12px;
  opacity: 0.8;
  filter: alpha(opacity=80);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-wrap: normal;
}
.open-course-item {
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
}
.open-course-item .open-course-cover {
  display: inline-block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: white;
  text-align: center;
  background: rgba(0, 0, 0, 0.6);
  padding-top: 54px;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
@media (max-width: 767px) {
  .open-course-item .open-course-cover {
    padding-top: 28px;
  }
}
.open-course-item .open-course-cover .open-course-title {
  font-size: 20px;
  line-height: 20px;
}
@media (max-width: 767px) {
  .open-course-item .open-course-cover .open-course-title {
    font-size: 18px;
  }
}
.open-course-item .open-course-cover .open-course-student {
  font-size: 14px;
  line-height: 14px;
  opacity: 0.8;
  filter: alpha(opacity=80);
}
@media (max-width: 767px) {
  .open-course-item .open-course-cover .open-course-student {
    font-size: 12px;
  }
}
.open-course-item .open-course-cover .open-course-teacher {
  margin-top: 24px;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
@media (max-width: 767px) {
  .open-course-item .open-course-cover .open-course-teacher {
    display: none;
  }
}
.open-course-item .open-course-cover .open-actions {
  margin-top: 24px;
  opacity: 0;
  filter: alpha(opacity=0);
  display: none;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
@media (max-width: 767px) {
  .open-course-item .open-course-cover .open-actions {
    display: none;
  }
}
.open-course-item .open-course-cover .open-course-teacher-info {
  font-size: 12px;
  opacity: 0.8;
  filter: alpha(opacity=80);
  margin-left: 8px;
}
.open-course-item .open-course-cover:hover {
  background: rgba(0, 0, 0, 0.8);
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.open-course-item .open-course-cover:hover .open-course-teacher {
  opacity: 0;
  filter: alpha(opacity=0);
  display: none;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.open-course-item .open-course-cover:hover .open-actions {
  opacity: 1;
  filter: alpha(opacity=100);
  display: block;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.recommend-teacher-list .recommend-teacher-item {
  line-height: 1;
  text-align: center;
  padding: 32px 10px;
  margin-bottom: 16px;
  background: #fff;
  border-radius: 2px;
  box-shadow: 0px 3px 1px -2px rgba(0, 0, 0, 0.2), 0px 2px 2px 0px rgba(0, 0, 0, 0.14), 0px 1px 5px 0px rgba(0, 0, 0, 0.12);
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
@media (max-width: 767px) {
  .recommend-teacher-list .recommend-teacher-item {
    padding: 16px 10px;
  }
}
.recommend-teacher-list .recommend-teacher-item:hover {
  box-shadow: 0px 5px 5px -3px rgba(0, 0, 0, 0.2), 0px 8px 10px 1px rgba(0, 0, 0, 0.14), 0px 3px 14px 2px rgba(0, 0, 0, 0.12);
  -webkit-transform: translateY(-6px);
}
.recommend-teacher-list .recommend-teacher-item .avatar-lg {
  width: 80px !important;
  height: 80px !important;
}
.recommend-teacher-list .recommend-teacher-item .teacher-name {
  font-size: 18px;
  color: #313131;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 16px;
}
@media (max-width: 767px) {
  .recommend-teacher-list .recommend-teacher-item .teacher-name {
    margin-top: 16px;
  }
}
.recommend-teacher-list .recommend-teacher-item .teacher-title {
  color: #919191;
  margin-bottom: 32px;
}
@media (max-width: 767px) {
  .recommend-teacher-list .recommend-teacher-item .teacher-title {
    margin-bottom: 16px;
    font-size: 12px;
  }
}
.recommend-teacher-list .recommend-teacher-item .btn {
  font-size: 14px;
  padding: 13px 32px;
}
@media (max-width: 767px) {
  .recommend-teacher-list .recommend-teacher-item .btn {
    padding: 8px 24px;
  }
}
.rt-section-group {
  background: url('../img/group-bg.png') top center no-repeat;
  min-height: 260px;
}
@media (max-width: 767px) {
  .rt-section-group {
    background-size: cover;
  }
}
.rt-section-group .group-item {
  background: #FFFFFF;
  box-shadow: 0px 3px 1px -2px rgba(0, 0, 0, 0.2), 0px 2px 2px 0px rgba(0, 0, 0, 0.14), 0px 1px 5px 0px rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}
@media (max-width: 767px) {
  .rt-section-group .group-item {
    padding: 8px;
    border-radius: 4px;
  }
}
@media (max-width: 767px) {
  .rt-section-group .group-item .media-left {
    padding-right: 10px;
  }
}
@media (max-width: 767px) {
  .rt-section-group .group-item .media-left .avatar-square-md {
    width: 50px;
    height: 50px;
  }
}
.rt-section-group .group-item .title {
  color: #313131;
  font-size: 16px;
  margin-top: 8px;
  margin-bottom: 8px;
  height: 22px;
  overflow: hidden;
}
@media (max-width: 767px) {
  .rt-section-group .group-item .title {
    font-size: 14px;
    margin-top: 0;
    margin-bottom: 4px;
  }
}
.rt-section-group .group-item .info {
  color: #919191;
  font-size: 12px;
}
.rt-article-list {
  padding-left: 0;
}
.rt-article-list li {
  float: left;
  width: 33.33%;
  position: relative;
  margin-bottom: 24px;
  padding-left: 50px;
  list-style: none;
}
@media (max-width: 767px) {
  .rt-article-list li {
    width: 50%;
  }
}
.rt-article-list li .date {
  position: absolute;
  top: 0;
  left: 0;
  width: 50px;
  color: #c1c1c1;
}
.rt-evaluate-list .rt-evaluate-item {
  background: #FFFFFF;
  box-shadow: 0px 3px 1px -2px rgba(0, 0, 0, 0.2), 0px 2px 2px 0px rgba(0, 0, 0, 0.14), 0px 1px 5px 0px rgba(0, 0, 0, 0.12);
  border-radius: 2px;
  padding: 16px;
  margin-bottom: 16px;
}
.rt-evaluate-list .rt-evaluate-item .content {
  color: #313131;
  margin-top: 16px;
  line-height: 20px;
  height: 60px;
  overflow: hidden;
}
@media (max-width: 767px) {
  .rt-evaluate-list .rt-evaluate-item .content {
    height: 40px;
  }
}
.rt-feature {
  text-align: center;
  background: url('../img/feature-bg.png') top center no-repeat;
  padding: 115px 0;
}
.rt-feature .title {
  font-size: 32px;
  color: #FFFFFF;
  letter-spacing: 0px;
  line-height: 32px;
  margin-bottom: 32px;
}
.rt-feature .subtitle {
  font-size: 16px;
  color: #A8ACB9;
  line-height: 16px;
  margin-bottom: 40px;
}
.rt-feature .btn-primary {
  width: 250px;
  padding: 18px 0;
  letter-spacing: 1.4px;
  border-radius: 25px;
}
.rt-friend-link {
  padding: 20px 0;
}
.rt-friend-link .link-main {
  position: relative;
  padding-left: 80px;
}
.rt-friend-link .title {
  position: absolute;
  top: 0;
  left: 0;
  color: #616161;
}
.rt-friend-link .link {
  margin-right: 16px;
  margin-bottom: 8px;
  color: #616161;
}
.rt-footer-qrcode {
  float: right;
  text-align: right;
}
@media (max-width: 767px) {
  .rt-footer-qrcode {
    float: none;
    text-align: center;
    margin-top: 24px;
  }
}
.rt-footer-qrcode .qrcode-item {
  display: inline-block;
}
.rt-footer-qrcode .qrcode-item + .qrcode-item {
  margin-left: 32px;
}
.rt-footer-qrcode .qrcode-item img {
  width: 100px;
  height: 100px;
  margin-bottom: 8px;
}
.rt-footer-qrcode .qrcode-item .title {
  opacity: 0.4;
  filter: alpha(opacity=40);
  color: #fff;
  text-align: center;
}