a {
  color: #666;
}
a.act,
a:hover {
  color: #3a7bf7;
}
.ellipsis {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-wrap: normal;
}
.es-wrap {
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.zero-scale {
  display: block;
  overflow: hidden;
}
.zero-scale > img {
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.zero-scale > img:hover {
  -webkit-transform: scale(1.05, 1.05);
  -moz-transform: scale(1.05, 1.05);
  -ms-transform: scale(1.05, 1.05);
  -o-transform: scale(1.05, 1.05);
  transform: scale(1.05, 1.05);
}
.zero .container.content {
  margin-bottom: 70px;
}
.zero .container.content > .title {
  color: #444;
  letter-spacing: .14px;
  font-size: 20px;
  margin-bottom: 36px;
  margin-top: 0;
  font-weight: bold;
  position: relative;
  overflow: hidden;
}
.zero .container.content > .title a {
  float: right;
  color: #999;
  font-size: 16px;
  font-weight: normal;
}
.zero .container.content > .title a:hover {
  color: #3a7bf7;
}
.zero .container.content > .title a span {
  position: absolute;
  right: 100000px;
}
.zero .grey-border {
  border: 1px solid #f0f0f0;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.zero .grey-border:hover {
  border-color: #3a7bf7;
}
@media (max-width: 992px) {
  .zero .container.content {
    margin-bottom: 30px;
  }
  .zero .container.content .title {
    margin-bottom: 20px;
  }
}
@media (max-width: 767px) {
  .zero .container.content {
    margin-bottom: 20px;
  }
  .zero .container.content .title {
    margin-bottom: 15px;
  }
}
.zero .recommand-course.content {
  margin-bottom: 20px;
}
.zero .recommand-course h2 {
  font-size: 20px;
  margin: 0;
}
.zero .recommand-course .course-item {
  margin-bottom: 47px;
}
.zero .recommand-course ul {
  margin-bottom: 30px;
}
.zero .recommand-course ul li {
  list-style: none;
}
.zero .recommand-course ul li.tab {
  position: relative;
  float: left;
  font-size: 16px;
  margin-left: 50px;
  color: #666;
  padding-bottom: 6px;
  cursor: pointer;
}
.zero .recommand-course ul li.tab.active,
.zero .recommand-course ul li.tab:hover {
  color: #3a7bf7;
}
.zero .recommand-course ul li.tab:hover:after,
.zero .recommand-course ul li.tab.active:after {
  left: 0;
  right: 0;
}
.zero .recommand-course ul li.tab:after {
  content: '';
  position: absolute;
  bottom: 0;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
  height: 2px;
  left: 100%;
  right: 100%;
  background: #3a7bf7;
}
.zero .recommand-course .course-price-widget {
  float: right;
}
.zero .recommand-course .course-price-widget .price {
  font-size: 14px;
  color: #ff8a0c;
}
.zero .recommand-course .course-price-widget .text-success {
  color: #3a7bf7 !important;
}
.zero .recommand-course .js-user-card {
  color: #999;
}
.zero .recommand-course .js-user-card img {
  margin-right: 5px;
}
.zero .recommand-course .price.free {
  color: #3a7bf7;
}
.zero .recommand-course .speical .price {
  color: #ff8a0c;
}
.zero .category-course > div.row {
  margin-top: -40px;
}
.zero .category-course > div.row > div {
  margin-top: 40px;
}
.zero .category-course .course-price-widget {
  float: right;
}
.zero .ad,
.zero .bottom-banner,
.zero .about {
  margin-bottom: 50px;
}
.zero .ad + .connect,
.zero .bottom-banner + .connect,
.zero .about + .connect {
  margin-top: -50px;
}
.zero .ad {
  background: url("../img/14.jpg") center center no-repeat;
  height: 280px;
}
.zero .ad .block {
  display: block;
  height: 100%;
  text-indent: -1000px;
}
.zero .bottom-banner {
  height: 320px;
  position: relative;
  background: url('../img/6.jpg') center center no-repeat;
}
.zero .bottom-banner h5 {
  font-size: 34px;
  color: #fff;
  padding-top: 75px;
  padding-bottom: 52px;
}
.zero .bottom-banner a {
  padding: 14px 60px;
  background-color: #3a7bf7;
  color: #fff;
  border-radius: 50px;
  font-size: 20px;
}
.zero .about {
  color: #fff;
  font-size: 16px;
  position: relative;
}
.zero .about .statistic-bg {
  width: 100%;
  height: 100%;
  position: absolute;
  background: center center no-repeat fixed;
}
.zero .about h2 {
  margin: 40px 0;
  color: #fff;
  font-size: 24px;
}
.zero .about .num {
  font-size: 54px;
  padding-right: 5px;
}
.zero .about .add {
  font-size: 25px;
  margin-left: -3px;
  margin-right: 5px;
}
.zero .about .row {
  margin-bottom: 40px;
}
.zero .bottom-banner,
.zero .about .statistic-bg {
  background-size: cover;
}
@media (max-width: 992px) {
  .zero .ad,
  .zero .bottom-banner,
  .zero .about {
    margin-bottom: 20px;
  }
  .zero .ad + .connect,
  .zero .bottom-banner + .connect,
  .zero .about + .connect {
    margin-top: -20px;
  }
  .zero .ad {
    height: 150px;
  }
  .zero .bottom-banner {
    height: 205px;
  }
  .zero .bottom-banner h5 {
    font-size: 25px;
    padding: 40px 0;
  }
  .zero .bottom-banner > a {
    padding: 12px 48px;
    font-size: 18px;
  }
  .zero .about .num {
    font-size: 28px;
  }
}
@media (max-width: 1200px) {
  .zero .ad,
  .zero .bottom-banner,
  .zero .about {
    margin-bottom: 35px;
  }
  .zero .ad + .connect,
  .zero .bottom-banner + .connect,
  .zero .about + .connect {
    margin-top: -20px;
  }
  .zero .ad {
    height: 200px;
  }
}
.navbar-mobile .navbar-more {
  color: #666;
  padding: 22px 10px;
}
.zero-navbar {
  padding: 12px 0;
}
.zero-navbar .nav.user-nav .dot {
  top: 12px!important;
  right: 8px!important;
}
.zero-navbar .search {
  height: 40px;
  position: relative;
  margin-top: 17px;
}
.zero-navbar .search input {
  width: 558px;
  border: 1px solid #3a7bf7;
  height: 100%;
  padding-left: 15px;
  padding-right: 240px;
  outline: none;
}
.zero-navbar .search .button {
  background-color: #3a7bf7;
  color: #fff;
  position: absolute;
  right: 0;
  bottom: 0;
  top: 0;
  width: 76px;
  outline: none;
  border: 0;
  font-size: 24px;
}
.zero-navbar .search .tag {
  position: absolute;
  right: 95px;
  top: 10px;
}
.zero-navbar .search .tag a {
  font-size: 12px;
  color: #919191;
  letter-spacing: 0.2px;
  background: #F5F5F5;
  padding: 2px 5px;
  margin-left: 5px;
}
.zero-navbar h1 {
  margin: 0;
  width: 300px;
  overflow: hidden;
  font-size: 20px;
  height: 68px;
  padding: 9px 0;
}
.zero-navbar h1 .logo {
  position: relative;
  top: 50%;
  max-height: 100%;
  width: auto;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
}
.zero-navbar h1 a {
  height: 100%;
  text-align: left;
  display: block;
  text-indent: -99999em;
  margin-right: 20px;
}
.zero-navbar .navbar-nav > li > a {
  color: #fff;
}
.zero-navbar .navbar-nav > li > a:hover {
  color: #3a7bf7;
}
.zero-navbar .user-nav .user-avatar-li {
  margin-top: -5px;
}
.zero-navbar .user-nav > li {
  height: auto;
}
.zero-navbar .user-nav > li > a {
  color: #666;
}
.zero-navbar .user-nav > li > a:hover {
  color: #3a7bf7;
}
.zero-navbar .user-nav.islogin {
  margin-top: 11px;
}
.zero-navbar .user-nav.islogin li > a {
  padding: 10px;
}
.zero-navbar .user-nav.islogin li > a:focus {
  color: #3a7bf7;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.zero-navbar .user-nav.login {
  margin-top: 16px;
}
.zero-navbar .user-nav.login a {
  padding: 8px 25px;
}
.zero-navbar .user-nav.login a.register {
  border: 1px solid #3a7bf7;
  color: #3a7bf7;
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  border-radius: 20px;
}
.es-header.zero-inside-header {
  background: #fff;
}
.es-header.zero-inside-header .nav.navbar-nav > li > a {
  padding: 20px;
}
.es-header.zero-inside-header .nav.navbar-nav > li.open > a,
.es-header.zero-inside-header .nav.navbar-nav > li.active > a {
  color: #3a7bf7 !important;
}
.es-header.zero-inside-header .user-nav > li > a,
.es-header.zero-inside-header .nav.navbar-nav > li > a {
  color: #666!important;
}
.es-header.zero-inside-header .user-nav > li > a:hover,
.es-header.zero-inside-header .nav.navbar-nav > li > a:hover,
.es-header.zero-inside-header .user-nav > li > a:active,
.es-header.zero-inside-header .nav.navbar-nav > li > a:active,
.es-header.zero-inside-header .user-nav > li > a:focus,
.es-header.zero-inside-header .nav.navbar-nav > li > a:focus {
  color: #3a7bf7 !important;
}
.es-header.zero-inside-header .navbar-mobile .nav.navbar-nav li a {
  color: #fff!important;
  padding: 10px!important;
}
.es-header.zero-inside-header .navbar-form.hidden-xs {
  border: 1px solid #3a7bf7;
}
.es-header.zero-inside-header .navbar-form.hidden-xs .form-control {
  width: 200px;
  padding-left: 0;
  border-radius: 0;
  border-color: transparent!important;
}
.es-header.zero-inside-header .navbar-form.hidden-xs .button {
  background-color: #3a7bf7;
  color: #fff;
  position: absolute;
  right: -10px;
  bottom: 0;
  top: 0;
  width: 43px;
  outline: none;
  border: 0;
  font-size: 24px;
}
.es-header.zero-inside-header .navbar-header .navbar-brand > img {
  position: relative;
  top: 50%;
  max-height: 100%;
  max-width: 300px;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
}
@media (max-width: 767px) {
  .zero-navbar {
    height: 65px;
    padding: 5px 0;
  }
  .zero-navbar .user-nav .user-avatar-li > a {
    padding: 0!important;
  }
  .zero-navbar .user-nav.islogin {
    margin-top: 16px;
  }
  .zero-navbar h1 {
    position: absolute;
    left: 50%;
    top: 5px;
    padding: 3px 0;
    height: 55px;
    margin-left: -100px;
    width: 200px!important;
    text-align: center;
  }
  .zero-navbar h1 a {
    display: inline-block;
  }
  .zero-navbar h1 .logo {
    height: 55px;
    width: auto;
  }
  .zero-navbar .user-nav {
    margin-top: 5px;
  }
}
@media (max-width: 992px) {
  .zero-navbar h1 {
    width: 200px;
  }
  .zero-navbar .search input {
    width: 280px;
  }
}
@media (max-width: 1200px) {
  .zero-navbar .search input {
    width: 320px;
  }
}
.zero .develop .row {
  margin: 0 -5px;
}
.zero .develop .item {
  position: relative;
  padding: 20px 5px 0;
}
.zero .develop .item:before,
.zero .develop .item:after {
  position: absolute;
  content: '';
  top: 0;
  left: 0;
}
.zero .develop .item:after {
  background: #d7d7d7;
  height: 2px;
  right: 0;
}
.zero .develop .item:before {
  background: #3a7bf7;
  width: 15px;
  height: 15px;
  border-radius: 100%;
  z-index: 2;
  top: -7px;
}
.zero .develop .time {
  color: #6b6b6b;
  margin-bottom: 10px;
}
.zero .develop .title {
  color: #444;
  font-size: 20px;
}
.zero .develop .content {
  padding-right: 10px;
  color: #999;
}
@media (max-width: 992px) {
  .zero .develop .content {
    margin-bottom: 20px;
  }
}
.zero .course-reviews img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
}
.zero .course-reviews > .row {
  margin-top: -20px;
}
.zero .course-reviews .media {
  margin-top: 20px;
}
.zero .zero-dynamic .media {
  padding: 20px 18px;
}
.zero .zero-dynamic .media-body {
  padding-bottom: 0;
}
.zero .zero-dynamic .date {
  top: 23px;
}
.zero .connect {
  background-color: #F0F0F0;
  padding: 32px 0;
}
.zero .connect .link {
  padding: 20px 30px 0;
  line-height: 25px;
}
.zero .connect .link a {
  color: #616161;
  letter-spacing: .2px;
  padding: 0 12px;
  border-right: 1px solid #616161;
}
.zero .connect .link a:last-child {
  border: 0;
}
.zero .connect .es-icon {
  border-radius: 50%;
  height: 20px;
  width: 20px;
  background-color: #3a7bf7;
  color: #fff;
  display: block;
  text-align: center;
  float: left;
  line-height: 20px;
  margin-right: 20px;
  font-size: 14px;
}
.zero .connect .call {
  height: 20px;
  line-height: 20px;
}
.zero .qr-code {
  background-color: #3a7bf7;
  color: #fff;
  padding: 6px;
  border-radius: 2px;
  height: 120px;
  width: 160px;
}
.zero .qr-code img {
  width: 108px;
  height: 108px;
  float: right;
}
.zero .qr-code .word {
  float: left;
  font-size: 16px;
  padding: 11px 6px;
  width: 25px;
}
@media (max-width: 767px) {
  .zero .connect {
    padding: 5px 0;
  }
  .zero .connect .link {
    padding: 0;
  }
}
.zero {
  background-color: #fff;
}
.zero .category-line {
  border-top: 2px solid #3a7bf7;
  margin: 0;
}
.zero .es-poster {
  margin-bottom: 20px;
  height: 420px;
}
.zero .es-poster .swiper-wrapper {
  height: 420px;
}
.zero .es-poster .pager-btn-group {
  position: relative;
}
.zero .es-poster .pager-btn-group > a {
  margin-top: -235px;
  color: #fff;
}
.zero .es-poster .pager-btn-group .arrow-right {
  margin-right: 38px;
}
.zero .es-poster .pager-btn-group .arrow-left {
  left: 280px;
}
.zero .es-poster .swiper-pager {
  right: 0;
  width: auto;
}
.zero .es-poster .swiper-pager .swiper-pagination-switch {
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
  background: #ccc;
  border: 0;
  margin: 0 5px;
  width: 10px;
  height: 10px;
}
.zero .es-poster .swiper-pager .swiper-pagination-switch.swiper-active-switch {
  width: 25px;
  background: #3a7bf7;
  border-radius: 5px;
}
.zero .es-poster .swiper-slide {
  background-position: center center;
  background-repeat: no-repeat;
  background-size: auto 100%;
}
.zero .es-poster .swiper-slide a,
.zero .es-poster .swiper-slide img {
  display: block;
  height: 100%;
  width: 100%;
}
.zero .es-poster .swiper-slide img {
  visibility: hidden;
}
.zero .navbar-nav > li > .dropdown-menu {
  margin-top: 10px;
}
.zero .navbar-nav > li > .dropdown-menu a:hover {
  color: #fff;
}
.zero .student-share .item {
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  padding: 50px 33px 0;
}
.zero .student-share .item:hover {
  border: 1px solid #3a7bf7;
}
.zero .student-share .context {
  color: #444;
  position: relative;
}
.zero .student-share .context p {
  height: 84px;
  line-height: 21px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}
.zero .student-share .context:before,
.zero .student-share .context:after {
  position: absolute;
  color: #3a7bf7;
  font-size: 45px;
}
.zero .student-share .context:before {
  content: "“";
  left: -15px;
  top: -35px;
}
.zero .student-share .context:after {
  content: "”";
  right: -14px;
  bottom: -50px;
}
.zero .category li {
  list-style: none;
}
.zero .category .list {
  position: relative;
  width: 270px;
}
.zero .category .list .head {
  background-color: #3a7bf7;
  padding: 10px 13px;
  color: #fff;
}
.zero .category .list .categiry-content {
  position: absolute;
  z-index: 1000001;
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  height: 0;
  overflow: hidden;
  transition: height .5s;
  top: 44px;
  color: #fff;
  padding-left: 0;
}
.zero .category .list .categiry-content a {
  color: #fff;
  padding-right: 5px;
}
.zero .category .list .categiry-content a:hover {
  text-decoration: underline;
}
.zero .category .list .categiry-content .title {
  margin-bottom: 5px;
  font-size: 16px;
}
.zero .category .list .categiry-content > li {
  height: 16.666666666%;
  padding: 14px 15px 14px 14px;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.zero .category .list .categiry-content > li:hover {
  background-color: rgba(255, 255, 255, 0.98);
}
.zero .category .list .categiry-content > li:hover a {
  color: #666!important;
}
.zero .category .list .categiry-content > li p {
  font-size: 12px;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-wrap: normal;
}
.zero .category .list .categiry-content > li:hover ul {
  opacity: 1;
  filter: alpha(opacity=100);
  width: 560px;
}
.zero .category .list .categiry-content > li .sub-title {
  color: #444;
  font-size: 14px;
}
.zero .category .list .categiry-content > li > ul {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  top: 0;
  bottom: 0;
  padding: 0px 0 30px;
  opacity: 0;
  filter: alpha(opacity=0);
  left: 100%;
  width: 0;
  overflow: hidden;
}
.zero .category .list .categiry-content > li > ul a {
  padding-right: 10px;
}
.zero .category .list .categiry-content > li > ul .title,
.zero .category .list .categiry-content > li > ul .p {
  margin-bottom: 15px;
}
.zero .category .list .categiry-content > li > ul li {
  padding: 15px 0 0;
  margin: 0 30px 0;
  border-bottom: 1px solid #f0f0f0;
  height: 70px;
}
.zero .category .list:hover .categiry-content {
  height: 420px;
  transition: height .5s;
}
.zero .category .navbar-nav {
  padding-left: 0;
  float: none;
  margin-top: 7px;
  height: 22px;
}
.zero .category .navbar-nav > li {
  float: left;
  margin-left: 40px;
  font-size: 16px;
  position: relative;
}
.zero .category .navbar-nav > li.open > a,
.zero .category .navbar-nav > li.active > a {
  color: #3a7bf7;
}
.zero .category .navbar-nav a {
  color: #666;
}
.zero .category .navbar-nav a:hover {
  color: #3a7bf7;
}
.zero .open .title {
  padding-right: 0!important;
}
.zero .open .cover:hover .layer {
  opacity: 1;
  filter: alpha(opacity=100);
}
.zero .open .cover .info {
  bottom: 36px;
}
.zero .open > .row {
  margin-top: -30px;
}
.zero .open > .row > div {
  margin-top: 30px;
}
.zero .layer {
  position: absolute;
  background-color: rgba(0, 0, 0, 0.6);
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  color: #fff;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.zero .layer > .info {
  position: absolute;
  bottom: 10px;
  padding: 0 30px;
  width: 100%;
}
.zero .layer .avatar-md {
  margin-top: 30px;
}
@media (max-width: 481px) {
  .zero .layer .avatar-md {
    margin-top: 15px;
  }
}
.zero .layer .avatar img {
  margin-right: 10px;
}
.zero .living .cover:hover .layer {
  opacity: 1;
  filter: alpha(opacity=100);
}
.zero .living .cover:hover > .info {
  opacity: 0;
  filter: alpha(opacity=0);
}
.zero .living .cover > .info {
  position: absolute;
  background: rgba(68, 68, 68, 0.5);
  bottom: 0;
  color: #fff;
  width: 100%;
  height: 30px;
  line-height: 30px;
}
.zero .living .cover > .info .btn {
  padding: 4px 10px;
  background-color: #3a7bf7;
  border-radius: 0;
}
.zero .classroom .btn {
  display: block;
  border: 1px solid #3a7bf7;
  color: #3a7bf7;
  border-radius: 0;
  margin-bottom: 15px;
}
.zero .classroom .btn:hover {
  background-color: #3a7bf7;
  color: #fff;
}
.zero .classroom .intro {
  height: 34px;
  line-height: 17px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-size: 12px;
}
.zero .classroom h3.title {
  height: 15px;
}
.zero .vip img {
  float: left;
  margin-right: 30px;
  max-width: 110px;
  max-height: 110px;
}
.zero .vip .info {
  padding: 47px 30px 47px 20px;
  border: 1px solid #f0f0f0;
  border-bottom: none;
  position: relative;
  color: #919191;
}
.zero .vip .info a {
  background-color: #3a7bf7;
  color: #fff;
  position: absolute;
  padding: 5px 0;
  bottom: 0px;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0 -1px;
}
.zero .vip .name {
  font-size: 20px;
  color: #414141;
  margin-top: 10px;
}
.zero .vip .detail {
  line-height: 24px;
  height: 72px;
  overflow: hidden;
}
.zero .vip .price span {
  color: #ff8a0c;
  font-size: 18px;
}
.zero .teacher .row {
  margin-top: -20px;
}
.zero .teacher .item {
  border: 1px solid #f0f0f0;
  position: relative;
  margin-top: 20px;
}
.zero .teacher .item:hover {
  border-color: #3a7bf7;
}
.zero .teacher .item img {
  float: left;
  margin-right: 20px;
  width: 120px;
  height: 120px;
}
.zero .teacher .item .name {
  margin-top: 20px;
  font-size: 20px;
  margin-bottom: 15px;
}
.zero .teacher .item .name span {
  font-size: 14px;
  color: #666;
}
.zero .teacher .item .intr {
  line-height: 21px;
  color: #999;
  letter-spacing: .1px;
  padding-right: 15px;
  height: 42px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.zero .teacher .item .focus {
  position: absolute;
  right: 15px;
  top: 24px;
}
.zero .teacher .item .focus span {
  padding: 6px 10px;
  border-radius: 15px;
  border: 1px solid #999;
  color: #999;
}
.zero .teacher .item .focus span:hover {
  color: #3a7bf7;
  border-color: #3a7bf7;
}
.zero .small-ads img {
  width: 100%;
}
.zero .small-ads .row > div {
  margin-bottom: 10px;
}
.zero .cover {
  background-color: rgba(0, 0, 0, 0.7);
  width: 100%;
  height: 100%;
  position: relative;
}
.zero .noborder {
  border: none!important;
}
.zero .frind-link {
  padding: 25px 0;
  background-color: #E4E4E4;
  color: #919191;
  letter-spacing: .21px;
}
.zero .frind-link span {
  position: absolute;
  left: 95px;
}
.zero .frind-link .container {
  padding-left: 180px;
  position: relative;
}
.zero .frind-link a {
  color: #919191;
  padding: 0 6px;
  border-right: 1px solid #919191;
}
.zero .frind-link a:hover {
  color: #919191;
}
.zero .frind-link a:last-child {
  border: 0;
}
.zero .hot-news p {
  letter-spacing: 0.1px;
  line-height: 24px;
  color: #444;
  margin-top: 8px;
  height: 48px;
  overflow: hidden;
}
.zero .color-dark {
  color: #444;
}
.zero a.white {
  color: #fff;
}
.zero a.grey {
  color: #999;
}
.zero a.hover-primary:hover {
  color: #3a7bf7;
}
.zero a.black {
  color: #444;
}
.zero a.nomal {
  color: #616161;
}
.zero .copyright {
  background: #444;
}
.zero .sub-color {
  color: #ff8a0c;
}
.zero .btn-sub-color {
  background: #ff8a0c;
  color: #fff;
}
.dropdown-menu > li > a:hover {
  color: #fff;
  background: #3a7bf7;
}
@media (max-width: 767px) {
  .es-mobile body.homepage .es-wrap,
  .es-mobile body.course-list-page .es-wrap,
  .es-mobile body.open-course-list .es-wrap,
  .es-mobile body.course-dashboard-page .es-wrap,
  .es-mobile body.login .es-wrap,
  .es-mobile body.register .es-wrap,
  .es-mobile body.my-course .es-wrap {
    padding-top: 0;
  }
  .user-nav .user-avatar-li {
    height: 40px;
  }
  .es-poster,
  .swiper-wrapper,
  .swiper-slide {
    height: 220px!important;
  }
  .es-poster .swiper-pager {
    display: block;
  }
  .category {
    display: none;
  }
  .zero .recommand-course ul li {
    margin-left: 10px;
    font-size: 12px;
  }
  .zero .frind-link .container {
    padding-left: 0;
  }
  .zero .frind-link span {
    position: static;
  }
  .zero .recommand-course .two {
    padding: 0;
  }
  .zero .recommand-course .two .course-item {
    width: 50%;
    float: left;
    padding: 0 10px;
  }
  .zero .teacher .item {
    padding: 5px;
    margin-bottom: 5px;
  }
  .zero .teacher .item img {
    width: 100%;
    height: auto;
    margin-bottom: 5px;
  }
  .zero .student-share .item {
    margin-bottom: 5px;
  }
  .zero .vip .info {
    margin-bottom: 20px;
  }
}
@media (max-width: 992px) {
  .zero .category .navbar-nav > li {
    margin-left: 20px;
    font-size: 14px;
  }
  .zero .category .list {
    width: 200px;
  }
  .zero .category .categiry-content > li {
    padding: 7px 15px 7px 14px;
  }
  .zero .category .categiry-content > li > ul {
    display: none;
  }
  .zero .recommand-course .teacher {
    display: none;
  }
  .zero .recommand-course .course-item {
    margin-bottom: 35px;
  }
  .zero .vip img {
    display: none;
  }
  .zero .vip .info {
    padding: 7px 5px 40px 15px;
  }
  .zero .es-poster,
  .zero .swiper-wrapper,
  .zero .swiper-slide,
  .zero .category .categiry-content {
    height: 360px;
  }
}
@media (max-width: 1200px) {
  .zero .recommand-course .course-item {
    margin-bottom: 27px;
  }
  .zero .layer .avatar-md {
    width: 40px!important;
    height: 40px!important;
  }
}
@media (min-width: 1920px) {
  .zero .es-poster .swiper-slide {
    background-size: 100% auto;
  }
}