@import 'public.css';
.clearfix {
  display: block;
  content: '';
  clear: both;
}
nav {
  width: 100%;
  height: 80px;
  background: #fff;
  box-shadow: 0 2px 3px #dad6d6;
  vertical-align: top;
}
nav .main {
  width: 1180px;
  margin: 0 auto;
}
nav .main ul li:hover {
  background: #80C4AE;
  color: #fff;
}
nav .main ul li:hover a {
  color: #fff;
  font-size: 16px;
}
nav .logo {
  width: 179px;
  height: 53px;
  margin: 13px 0 14px 0;
}
nav ul {
  display: inline-block;
  margin-left: 120px;
  border: none;
  font-size: 0;
}
nav ul li {
  display: inline-block;
  width: 80px;
  height: 80px;
  line-height: 80px;
  margin-right: 17px;
  text-align: center;
}
nav ul li a {
  color: #333;
  font-size: 16px;
}
nav ul li:last-child {
  margin-right: 0;
}
nav ul .check {
  background: #80C4AE;
  color: #fff;
}
nav ul .check a {
  color: #fff;
  font-size: 16px;
}
nav div.search {
  display: inline-block;
  margin-left: 120px;
  border: 1px solid #80C4AE;
  border-radius: 3px;
  width: 280px;
  height: 36px;
  text-align: center;
  font-size: 0;
  padding: 0;
  overflow: hidden;
  vertical-align: middle;
  position: relative;
}
nav div.search .left {
  width: 69px;
  height: 36px;
  border-right: 1px solid #80C4AE;
  font-size: 14px;
  text-align: center;
  line-height: 36px;
  float: left;
  color: #80C4AE;
  padding: 0;
}
nav div.search .left i {
  margin-left: 6px;
  font-size: 5px;
}
nav div.search input {
  border: none;
  outline: none;
  display: inline-block;
  height: 36px;
  text-align: center;
  font-weight: 400;
  font-size: 14px;
}
nav div.search img {
  width: 20px;
  height: 20px;
  position: absolute;
  right: 7px;
  top: 8px;
}
nav .login {
  margin-left: 24px;
  display: inline-block;
  color: #80C4AE;
  font-size: 14px;
}
nav .user {
  display: inline-block;
  margin-left: 24px;
  display: none;
}
nav .user img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}
nav .main .user {
  position: relative;
}
nav .main .user .userlist {
  width: 122px;
  height: 269px;
  background: url('../img/login/jx.png') no-repeat;
  background-size: cover;
  position: absolute;
  top: 35px;
  right: -15px;
  display: none;
  z-index: 99999;
}
nav .main .user .userlist ul {
  width: 122px;
  height: 100%;
  padding-top: 30px;
  margin-left: 0;
}
nav .main .user .userlist ul li {
  font-size: 16px;
  color: #333;
  line-height: 30px;
  height: 40px;
  text-align: center;
  width: 100%;
  cursor: pointer;
}
nav .main .user .userlist ul li:hover {
  background: none;
}
nav .main .user .userlist ul li:last-child {
  color: #666;
}
nav .main .user:hover .userlist {
  display: block;
}
footer {
  width: 100%;
  height: 264px;
  background: #333;
  margin-top: 36px;
  padding-top: 87px;
}
footer .cont {
  width: 1180px;
  height: 100%;
  margin: 0 auto;
}
footer .cont .main {
  width: 1153px;
  height: 90px;
  color: #ccc;
  font-size: 14px;
  line-height: 18px;
  text-align: center;
  margin: 0 auto;
}
footer .cont .main p {
  margin-top: 5px;
}
.pos {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.2);
  display: none;
  z-index: 99999999;
}
.pos .login {
  width: 520px;
  height: 522px;
  background: #FFFFFF;
  border-radius: 4px;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  text-align: center;
  padding-top: 30px;
}
.pos .login span.close {
  position: absolute;
  right: 25px;
  top: 25px;
  color: #999;
  z-index: 9999;
  font-size: 20px;
}
.pos .login img {
  width: 136px;
  height: 40px;
  margin-bottom: 46px;
}
.pos .login ul {
  padding-left: 20px;
}
.pos .login ul::after {
  display: block;
  content: '';
  clear: both;
}
.pos .login ul li {
  width: 134px;
  height: 1px;
  float: left;
  border-top: 1px solid #ececec;
  margin-top: 12px;
}
.pos .login ul li.phone {
  float: left;
  width: 162px;
  height: 25px;
  font-size: 18px;
  font-weight: 400;
  color: #333333;
  line-height: 25px;
  border: none;
  margin: 0 18px;
  margin-bottom: 21px;
}
.pos .login input {
  display: block;
  margin-left: 110px;
  width: 300px;
  height: 40px;
  border-radius: 4px;
  border: 1px solid #80C4AE;
  padding-left: 24px;
  margin-bottom: 20px;
}
.pos .login .loginbtn {
  width: 300px;
  height: 40px;
  border-radius: 4px;
  border: 1px solid #80C4AE;
  background: #74C6B3;
  color: #fff;
  text-align: center;
  font-size: 16px;
  outline: none;
  margin-bottom: 10px;
}
.pos .login p {
  width: 300px;
  margin: 0 auto;
  margin-bottom: 36px;
}
.pos .login p::after {
  display: block;
  content: '';
  clear: both;
}
.pos .login p span {
  display: inline-block;
  color: #333;
  font-size: 12px;
}
.pos .login p span:first-child {
  float: left;
}
.pos .login p span:last-child {
  float: right;
}
.pos .login p span a {
  font-size: 12px;
  color: #74C6B3;
}
.pos .login p.getCenter {
  display: block;
}
.pos .login p.getCenter img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}
.pos .login p.getCenter img:nth-child(2) {
  margin-left: 30px;
  margin-right: 30px;
}
main {
  width: 1180px;
  margin: 0 auto;
  margin-top: 22px;
}
main .row {
  min-height: 60px;
  line-height: 40px;
  color: #333;
  font-size: 16px;
  vertical-align: middle;
  width: 1180px;
  height: auto;
}
main .row .left {
  float: left;
  font-weight: Semibold;
  margin-right: 10px;
  color: #222;
  width: 80px;
}
main .row .right {
  float: left;
  width: 1090px;
}
main .row .right span {
  width: 180px;
  height: 40px;
  border: 1px solid #80C4AE;
  border-radius: 4px;
  display: inline-block;
  padding-left: 18px;
  color: #666;
  position: relative;
  font-size: 14px;
  margin-left: 22px;
  cursor: pointer;
}
main .row .right span i {
  color: #80C4AE;
  position: absolute;
  right: 13px;
}
main .row .right ul {
  margin-left: 35px;
}
main .row .right ul li {
  display: inline-block;
  margin-right: 50px;
  color: #666;
  width: 52px;
  text-align: center;
  font-size: 14px;
  box-sizing: border-box;
  cursor: pointer;
}
main .row .right ul li a.active {
  background: #80C4AE;
  color: #fff;
  border-radius: 4px;
  padding: 3px 5px;
}
main .row::after {
  display: block;
  content: '';
  clear: both;
}
main .lesson {
  width: 1180px;
  margin: 20px auto 0;
}
main .lesson ul li {
  width: 380px;
  height: 256px;
  box-shadow: 0 2px 5px #dad6d6;
  background: #fff;
  position: relative;
  overflow: hidden;
  margin: 0 20px 20px 0;
  float: left;
  cursor: pointer;
}
main .lesson ul li:nth-child(3n) {
  margin-right: 0;
}
main .lesson ul li .top {
  width: 380px;
  height: 196px;
  vertical-align: top;
  overflow: hidden;
}
main .lesson ul li .top img.m {
  width: 380px;
  height: 196px;
}
main .lesson ul li .top > p {
  position: absolute;
  bottom: 60px;
  left: 0;
  width: 100%;
  height: 33px;
  line-height: 33px;
  font-size: 14px;
  background: #000000;
  color: #fff;
  padding-left: 10px;
  opacity: 0.3;
}
main .lesson ul li .bottom {
  width: 100%;
  height: 62px;
  overflow: hidden;
  line-height: 20px;
  font-size: 14px;
  color: #333;
  margin-top: 7px;
  padding-left: 14px;
}
main .lesson ul li .bottom .left {
  float: left;
}
main .lesson ul li .bottom .left span {
  display: block;
}
main .lesson ul li .bottom .left span.time {
  margin-top: 5px;
  font-size: 14px;
  line-height: 17px;
  color: #7A7A7A;
}
main .lesson ul li .bottom .right {
  float: right;
  margin-top: 12px;
  margin-right: 14px;
  width: 86px;
  height: 30px;
  line-height: 30px;
  font-size: 16px;
  color: #fff;
  background: #74C6B3;
  text-align: center;
  border-radius: 4px;
}
main .lesson ul::after {
  display: block;
  content: '';
  clear: both;
  zoom: 1;
}
main .pageNum {
  width: 1180px;
  height: 40px;
  margin: 0 auto;
  margin-top: 20px;
  text-align: center;
}
main .pageNum ul {
  text-align: center;
  line-height: 25px;
  font-size: 18px;
  display: inline-block;
}
main .pageNum ul li {
  display: inline-block;
  width: 37px;
  height: 40px;
  padding: 9px 14px 6px;
  color: #333;
  background: #ededed;
  border-radius: 4px;
  font-family: PingFangSC-Semibold, PingFang SC;
  margin-right: 12px;
}
main .pageNum ul li.active {
  background: #80C4AE;
  color: #fff;
}
main .pageNum button {
  width: 91px;
  height: 40px;
  outline: none;
  border: none;
  background: #ededed;
  font-size: 18px;
  color: #a4a4a4;
  padding: 9px 19px 6px 18px;
  border-radius: 4px;
  margin: 0 28px;
  font-family: PingFangSC-Semibold, PingFang SC;
}
main .pageNum button.active {
  color: #333;
}
main .pageNum button:last-child {
  margin-left: 8px;
}