* {
  margin: 0;
  padding: 0;
}
body {
  background-color: #f1f1f1;
  padding-top: 80px;
  box-sizing: border-box;
}
.line1 {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.line2 {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.header_nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: #ffffff;
  z-index: 9999;
}
.header_nav .header-content {
  position: relative;
  width: 1200px;
  height: 80px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header_nav .header-content .logo {
  width: 240px;
  height: 80px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.header_nav .header-content .logo img {
  display: block;
  width: auto;
  height: 50px;
}
.header_nav .header-content .nav {
  flex: 1;
  height: 80px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.header_nav .header-content .nav ul {
  list-style: none;
  display: flex;
  margin: 0;
}
.header_nav .header-content .nav ul li {
  display: block;
  height: 80px;
  line-height: 80px;
  margin: 0 10px;
  border-bottom: 2px solid transparent;
}
.header_nav .header-content .nav ul li a {
  display: block;
  width: 100%;
  height: 100%;
  font-size: 16px;
  color: #474747;
  text-decoration: none;
}
.header_nav .header-content .nav ul li:last-child {
  margin: 0 0 0 10px;
}
.header_nav .header-content .nav ul .active {
  border-bottom: 2px solid #00c298;
}
.header_nav .header-content .nav ul .active a {
  color: #00c298;
}
.header_nav .header-content .nav ul li:hover {
  border-bottom: 2px solid #00c298;
}
.header_nav .header-content .nav ul li:hover a {
  color: #00c298;
}
.header_nav .header-content .logins {
  position: absolute;
  top: 21px;
  right: -135px;
  color: #ffffff;
  width: 120px;
  height: 36px;
  background-color: #00c298;
  border-radius: 20px;
  text-align: center;
  line-height: 36px;
  transition: all 1s ease 0s;
  -o-transition: all 1s ease 0s;
  -moz-transition: all 1s ease 0s;
  -webkit-transition: all 1s ease 0s;
  cursor: pointer;
}
.header_nav .header-content .logins:hover {
  background-color: #55a795;
}
.header_nav .header-content .signs {
  position: absolute;
  top: 21px;
  right: -135px;
  color: #00c298;
  width: 120px;
  height: 36px;
  border: 1px solid #00c298;
  border-radius: 20px;
  text-align: center;
  line-height: 36px;
  transition: all 1s ease 0s;
  -o-transition: all 1s ease 0s;
  -moz-transition: all 1s ease 0s;
  -webkit-transition: all 1s ease 0s;
  cursor: pointer;
}
.search {
  width: 100%;
  background: #ffffff;
  border-top: 1px solid #f1f1f1;
  padding: 20px 15px;
  box-sizing: border-box;
}
.search .search_container {
  width: 1200px;
  margin: 0 auto;
}
.search .search_container #selectDate {
  display: flex;
  justify-content: center;
  align-items: center;
}
.search .search_container #selectDate .date_item {
  flex: 1;
  text-align: center;
  height: 48px;
  line-height: 48px;
  border: 1px solid transparent;
  border-bottom: 1px solid #cfcfcf;
  border-top: 2px solid transparent;
  cursor: pointer;
}
.search .search_container #selectDate .active {
  border-top: 2px solid #00c298;
  border-left: 1px solid #cfcfcf;
  border-right: 1px solid #cfcfcf;
  border-bottom: none;
}
.search .search_container .type_cond {
  margin-top: 15px;
  width: 100%;
  display: flex;
  background: #f1f1f1;
  border: 1px solid #d4d4d4;
  border-radius: 6px;
}
.search .search_container .type_cond .title {
  height: 100%;
  text-align: center;
  line-height: 36px;
}
.search .search_container .type_cond .title span {
  display: block;
  width: 88px;
  height: 36px;
  text-align: left;
  padding-left: 10px;
  line-height: 36px;
}
.search .search_container .type_cond #subject_content {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
}
.search .search_container .type_cond #subject_content .item {
  padding-right: 24px;
  height: 42px;
  text-align: center;
  line-height: 42px;
  border-radius: 6px;
  cursor: pointer;
}
.search .search_container .type_cond #subject_content .active {
  color: #00c298;
}
.search .search_container .content_cond {
  margin-top: 15px;
  width: 100%;
  display: flex;
  background: #f1f1f1;
  border: 1px solid #d4d4d4;
  border-radius: 6px;
}
.search .search_container .content_cond .title {
  height: 100%;
  text-align: center;
  line-height: 36px;
}
.search .search_container .content_cond .title span {
  display: block;
  width: 88px;
  height: 36px;
  text-align: left;
  padding-left: 10px;
  line-height: 36px;
}
.search .search_container .content_cond .sequ {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.search .search_container .content_cond .sequ .item {
  padding-right: 24px;
  height: 36px;
  text-align: left;
  line-height: 36px;
  border-radius: 6px;
  cursor: pointer;
}
.search .search_container .content_cond .sequ .active {
  color: #00c298;
}
.search .search_container .money_cond {
  margin-top: 15px;
  width: 100%;
  display: flex;
  background: #f1f1f1;
  border: 1px solid #d4d4d4;
  border-radius: 6px;
}
.search .search_container .money_cond .title {
  height: 100%;
  text-align: center;
  line-height: 36px;
}
.search .search_container .money_cond .title span {
  display: block;
  width: 88px;
  height: 36px;
  text-align: left;
  padding-left: 10px;
  line-height: 36px;
}
.search .search_container .money_cond .choose {
  width: 100%;
  height: 36px;
  display: flex;
  justify-content: flex-start;
  padding-top: 6px;
  box-sizing: border-box;
}
.search .search_container .money_cond .choose #chooseType {
  display: flex;
  justify-content: center;
  align-items: center;
}
.search .search_container .money_cond .choose #chooseType label {
  display: block;
  margin-right: 24px;
  height: 36px;
  text-align: center;
  line-height: 36px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: normal;
}
.search .search_container .money_cond .choose #chooseType label input[type=checkbox] {
  cursor: pointer;
  position: relative;
  width: 15px;
  height: 15px;
  font-size: 14px;
  vertical-align: text-bottom;
}
.search .search_container .money_cond .choose #chooseType label input[type=checkbox]::after {
  position: absolute;
  top: 0;
  color: #ffffff;
  width: 15px;
  height: 15px;
  display: inline-block;
  visibility: visible;
  text-align: center;
  content: ' ';
}
.search .search_container .money_cond .choose #chooseType label input[type=checkbox]:checked::after {
  content: "✓";
  font-size: 12px;
  font-weight: bold;
  background-color: #00c298;
}
.search .search_container .search_seq {
  margin-top: 15px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.search .search_container .search_seq .seq_item {
  flex: 1;
}
.search .search_container .search_seq .seq_item .time_cond {
  display: flex;
}
.search .search_container .search_seq .seq_item .time_cond .title {
  height: 100%;
  text-align: center;
  line-height: 36px;
}
.search .search_container .search_seq .seq_item .time_cond .title span {
  display: block;
  width: 88px;
  height: 36px;
  text-align: left;
  padding-left: 10px;
  line-height: 36px;
}
.search .search_container .search_seq .seq_item .time_cond .sequ {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.search .search_container .search_seq .seq_item .time_cond .sequ .item {
  width: 96px;
  height: 36px;
  text-align: left;
  line-height: 36px;
  border-radius: 6px;
  cursor: pointer;
}
.search .search_container .search_seq .seq_item .time_cond .sequ .active {
  color: #00c298;
}
.search .search_container .search_seq .search_item {
  flex: 1;
}
.search .search_container .search_seq .search_item .search {
  width: 100%;
  height: 100%;
  padding: 0;
  padding-left: 15px;
  box-sizing: border-box;
  display: flex;
  justify-content: flex-end;
}
.search .search_container .search_seq .search_item .search input {
  width: 210px;
  height: 32px;
  outline: none;
  border: 1px solid #b6b6b6;
  border-radius: 16px;
  padding-left: 15px;
}
.lesson {
  box-sizing: border-box;
  width: 100%;
}
.lesson .lesson_container {
  width: 1200px;
  min-height: 710px;
  margin: 0 auto;
  padding: 30px 0;
  box-sizing: border-box;
}
.lesson .lesson_container #online {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  flex-wrap: wrap;
}
.lesson .lesson_container #online .lesson_item {
  width: 288px;
  background: #ffffff;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  margin-right: 16px;
  margin-bottom: 20px;
}
.lesson .lesson_container #online .lesson_item .pic {
  width: 100%;
  height: 130px;
}
.lesson .lesson_container #online .lesson_item .pic img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.6s;
}
.lesson .lesson_container #online .lesson_item .info {
  margin-top: 10px;
  width: 100%;
  padding: 10px;
  box-sizing: border-box;
  font-size: 16px;
}
.lesson .lesson_container #online .lesson_item .info .title {
  width: 100%;
  height: 44px;
  margin-bottom: 2px;
  color: #292929;
  font-size: 14px;
}
.lesson .lesson_container #online .lesson_item .info .desc {
  font-size: 12px;
  color: #7a7a7a;
  margin: 4px 0;
  font-size: 14px;
}
.lesson .lesson_container #online .lesson_item .info .icon_time {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
}
.lesson .lesson_container #online .lesson_item .info .icon_time .free {
  font-size: 12px;
  background: #4dce3b;
  color: #ffffff;
  width: 42px;
  height: 22px;
  border-radius: 4px;
  text-align: center;
  line-height: 22px;
}
.lesson .lesson_container #online .lesson_item .info .icon_time .charge {
  font-size: 12px;
  background: #3b93ce;
  color: #ffffff;
  width: 42px;
  height: 22px;
  border-radius: 4px;
  text-align: center;
  line-height: 22px;
}
.lesson .lesson_container #online .lesson_item .info .icon_time .medc_type {
  width: 60px;
  height: 22px;
  border-radius: 4px;
  text-align: center;
  line-height: 22px;
  font-size: 12px;
  background: #eb8c3e;
  color: #ffffff;
}
.lesson .lesson_container #online .lesson_item .info .icon_time .time {
  font-size: 12px;
  color: #d83732;
  width: 132px;
}
.lesson .lesson_container #online .lesson_item .sign {
  border-top: 1px solid #e9e9e9;
  margin-top: 6px;
  font-size: 14px;
  width: 100%;
  height: 44px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all 1s ease 0s;
  -o-transition: all 1s ease 0s;
  -moz-transition: all 1s ease 0s;
  -webkit-transition: all 1s ease 0s;
}
.lesson .lesson_container #online .lesson_item .sign:hover {
  background: #eeeeee;
  color: #585858;
}
.lesson .lesson_container #online .lesson_item:nth-child(4n) {
  margin-right: 0;
}
.lesson .lesson_container #online .lesson_item:hover {
  box-shadow: 0 6px 20px 4px #b3b3b3;
}
.lesson .lesson_container #online .lesson_item:hover img {
  transform: scale(1.2);
}
.footer {
  position: relative;
  width: 100%;
  height: 132px;
  z-index: 300;
  background: #333333;
}
.footer .footer-container {
  width: 1200px;
  height: 120px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px 0;
}
.footer .footer-container .footer_l {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  color: #dbdbdb;
}
.footer .footer-container .footer_l .foot_itemTitle {
  font-weight: bold;
  font-size: 14px;
  margin-bottom: 20px;
  width: 100%;
}
.footer .footer-container .footer_l .foot_item {
  font-size: 12px;
  margin-bottom: 12px;
}
.footer .footer-container .footer_m {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  color: #dbdbdb;
  padding-top: 40px;
  box-sizing: border-box;
}
.footer .footer-container .footer_m .foot_itemTitle {
  font-weight: bold;
  font-size: 14px;
  margin-bottom: 20px;
  width: 100%;
}
.footer .footer-container .footer_m .foot_item {
  font-size: 12px;
  margin-bottom: 12px;
}
.footer .footer-container .footer_r {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  color: #dbdbdb;
}
.footer .footer-container .footer_r .foot_itemTitle {
  font-weight: bold;
  font-size: 14px;
  margin-bottom: 20px;
  width: 100%;
}
.footer .footer-container .footer_r .foot_item {
  font-size: 12px;
  margin-bottom: 12px;
}
#tips {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 240px;
  height: 68px;
  background: rgba(0, 0, 0, 0.6);
  color: #ffffff;
  border-radius: 8px;
  text-align: center;
  line-height: 68px;
  display: none;
}