.banner {
  position: relative;
  width: 100%;
  overflow: hidden;
  height: 484px;
}

.el-carousel div.el-carousel__container {
  width: 100%;
  height: 484px;
}

.bannerImg {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  background-image: url("../img/course/banner.jpg");
}

.bannerImgClick {
  cursor: pointer;
}

.el-carousel {
  position: relative;
}

.course1 {
  width: 100%;
  background: #F7F8FA;
}

.course1 .screen {
  width: 1200px;
  margin: 40px auto 30px;
  background: #FFFFFF;
  border-radius: 4px;
}

.course1 .screen .screen_row {
  display: flex;
  width: 100%;
}

.course1 .screen .screen_row .title {
  width: 180px;
  height: 100%;
  display: flex;
  justify-content: center;
  font-weight: 500;
  font-size: 20px;
  color: #343434;
}

.course1 .screen .screen_row .title span {
  margin-top: 28px;
}

.course1 .screen .screen_row .tags {
  min-height: 48px;
  border-bottom: 1px solid #E6E6E6;
  width: 100%;
  padding: 20px 85px 13px 0;
}

.course1 .screen .screen_row .tags .tag {
  display: inline-block;
  padding: 13px 24px 7px;
  font-weight: 400;
  font-size: 16px;
  line-height: 16px;
  color: #343434;
  cursor: pointer;
  margin-bottom: 6px;
}

.course1 .screen .screen_row .tags .cheack {
  background: #D4E2FF;
  border-radius: 16px;
  padding: 7px 24px;
  color: #0C47ED;
}

.course1 .screen .screen_row:last-child .tags {
  border: 0;
}

.course1 .searchBox {
  width: 1200px;
  height: 40px;
  margin: 0 auto 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.course1 .searchBox .sort {
  display: flex;
  align-items: center;
  height: 100%;
}

.course1 .searchBox .sort span {
  font-weight: 500;
  font-size: 20px;
  color: #343434;
  cursor: pointer;
}

.course1 .searchBox .sort span:nth-child(2) {
  margin: 0 56px;
}

.course1 .searchBox .sort .cheack {
  color: #0C47ED;
}

.course1 .searchBox .search {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 296px;
  height: 40px;
  border-radius: 4px;
  background: linear-gradient(270deg, #ECF3FF 0%, #D4E2FF 100%);
}

.course1 .searchBox .search .el-input {
  position: relative;
  width: 256px;
}

.course1 .searchBox .search .el-input::after {
  content: '';
  position: absolute;
  width: 1px;
  height: 30px;
  background: #A4C1FF;
  right: 0px;
  top: 50%;
  transform: translateY(-50%);
}

.course1 .searchBox .search .el-input__inner {
  background: transparent;
  padding: 0 18px;
  color: #0C47ED;
  height: 39px;
  margin-top: 1px;
  font-size: 20px;
  border: 0;
}

.course1 .searchBox .search input::-webkit-input-placeholder {
  font-size: 20px;
  font-weight: 400;
  color: #0C47ED;
}

.course1 .searchBox .search .search_icon {
  width: 39px;
  height: 100%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.course1 .searchBox .search .search_icon img {
  width: 24px;
  height: 24px;
}

.course1 .course_list {
  width: 1200px;
  margin: 0 auto;
  min-height: 374px;
}

.course1 .course_list .course_item {
  position: relative;
  width: 282px;
  height: 321px;
  margin: 0 24px 21px 0;
  border-radius: 4px;
  cursor: pointer;
  background: #fff;
  float: left;
}

.course1 .course_list .course_item .type_box {
  position: absolute;
  top: 11px;
  right: 15px;
  width: 41px;
  height: 20px;
  padding: 0 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 4px;
}

.course1 .course_list .course_item .type_box img {
  width: 10px;
  height: 10px;
}

.course1 .course_list .course_item .type_box span {
  font-weight: 400;
  font-size: 14px;
  line-height: 14px;
  color: #FFFFFF;
}

.course1 .course_list .course_item .cover {
  height: 161px;
  width: 282px;
  border-radius: 4px 4px 0 0;
}

.course1 .course_list .course_item .detailed {
  height: 147px;
  width: 100%;
  border-radius: 0 0 4px 4px;
  padding: 13px 0 0;
}

.course1 .course_list .course_item .detailed .title {
  width: 250px;
  height: 26px;
  line-height: 26px;
  margin: 0 auto 24px;
  font-weight: 500;
  font-size: 16px;
  color: #14161A;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course1 .course_list .course_item .detailed .course_info {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.course1 .course_list .course_item .detailed .course_info .difficulty, .course1 .course_list .course_item .detailed .course_info .direction, .course1 .course_list .course_item .detailed .course_info .onlineUsers, .course1 .course_list .course_item .detailed .course_info .left, .course1 .course_list .course_item .detailed .course_info .right {
  display: flex;
  align-items: center;
  color: #999999;
}

.course1 .course_list .course_item .detailed .course_info .difficulty {
  margin-left: 15px;
  margin-right: 8px;
}

.course1 .course_list .course_item .detailed .course_info .difficulty img {
  margin-right: 7px;
}

.course1 .course_list .course_item .detailed .course_info .difficulty span {
  font-weight: 600;
}

.course1 .course_list .course_item .detailed .course_info .direction span:first-child {
  display: inline-block;
  margin-right: 8px;
}

.course1 .course_list .course_item .detailed .course_info .direction span:nth-child(2) {
  display: inline-block;
  max-width: 115px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course1 .course_list .course_item .detailed .course_info .onlineUsers {
  margin-right: 15px;
}

.course1 .course_list .course_item .detailed .course_info .onlineUsers img {
  margin-right: 6px;
}

.course1 .course_list .course_item .detailed .course_info .onlineUsers span {
  display: inline-block;
  max-width: 50px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course1 .course_list .course_item .detailed .speaker {
  max-width: 250px;
  margin: 10px 0 0 15px;
  font-weight: 400;
  font-size: 14px;
  color: #999999;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course1 .course_list .course_item .detailed .tags {
  width: 250px;
  height: 20px;
  margin: 0 auto;
  margin-top: 13px;
}

.course1 .course_list .course_item .detailed .tags .label span {
  padding: 2px 7px;
  margin-right: 4px;
  border: 1px solid #0C47ED;
  border-radius: 10px;
  font-weight: 400;
  font-size: 12px;
  color: #0C47ED;
}

.course1 .course_list .course_item:hover {
  transition: transform .3s;
  box-shadow: 0px 4px 9px 0px rgba(0, 0, 0, 0.2);
  transform: translate(0, -6px);
}

.course1 .course_list .course_item:hover .detailed .title {
  color: #0C47ED;
}

.course1 .course_list div:nth-child(4n) {
  margin-right: 0;
}

.course1 .clearfix::after {
  content: "";
  display: table;
  clear: both;
}

.course1 .pagination {
  display: flex;
  justify-content: center;
  margin-top: 12px;
  padding-bottom: 26px !important;
}

.course1 .el-pagination__total {
  color: #343434 !important;
  font-weight: 400;
}

.course1 .el-pager {
  padding-top: 2px !important;
}

.course1 .el-pager li {
  height: 24px !important;
  line-height: 24px !important;
}

.course1 .el-pagination.is-background .el-pager li:not(.disabled).active {
  background-color: #70BA44 !important;
  min-width: 24px !important;
}

.course1 .el-pagination.is-background .el-pager li {
  border-radius: 50% !important;
  background-color: transparent !important;
  color: #343434 !important;
}

.course1 .el-pagination.is-background .el-pager li:hover {
  color: #3DE0B0 !important;
}

.course1 .el-pagination.is-background .btn-next.disabled, .course1 .el-pagination.is-background .btn-next:disabled, .course1 .el-pagination.is-background .btn-prev.disabled, .course1 .el-pagination.is-background .btn-prev:disabled, .course1 .el-pagination.is-background .el-pager li.disabled {
  color: #DADADA !important;
}

.course1 .el-pagination.is-background .btn-next.disabled .el-icon-arrow-left::after, .course1 .el-pagination.is-background .btn-next.disabled .el-icon-arrow-right::after, .course1 .el-pagination.is-background .btn-next:disabled .el-icon-arrow-left::after, .course1 .el-pagination.is-background .btn-next:disabled .el-icon-arrow-right::after, .course1 .el-pagination.is-background .btn-prev.disabled .el-icon-arrow-left::after, .course1 .el-pagination.is-background .btn-prev.disabled .el-icon-arrow-right::after, .course1 .el-pagination.is-background .btn-prev:disabled .el-icon-arrow-left::after, .course1 .el-pagination.is-background .btn-prev:disabled .el-icon-arrow-right::after, .course1 .el-pagination.is-background .el-pager li.disabled .el-icon-arrow-left::after, .course1 .el-pagination.is-background .el-pager li.disabled .el-icon-arrow-right::after {
  border: 1px solid #DADADA !important;
}

.course1 .course_pagination .el-icon-arrow-left, .course1 .course_pagination .el-icon-arrow-right {
  position: relative;
}

.course1 .course_pagination .el-icon-arrow-left::after, .course1 .course_pagination .el-icon-arrow-right::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid #DADADA;
  margin: -1px 0 0 -1px;
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.el-pagination.is-background .btn-next, .el-pagination.is-background .btn-prev {
  background-color: transparent !important;
  color: #343434 !important;
}

.el-pagination.is-background .btn-next .el-icon-arrow-left::after, .el-pagination.is-background .btn-next .el-icon-arrow-right::after, .el-pagination.is-background .btn-prev .el-icon-arrow-left::after, .el-pagination.is-background .btn-prev .el-icon-arrow-right::after {
  border: 1px solid #343434;
}