body .header {
  position: relative !important;
}
body > div {
  background-image: url(../img/background_img.png);
  background-repeat: no-repeat;
  background-size: cover;
}
.searchbox {
  max-width: 1200px;
  display: flex;
  padding: 30px 0;
  width: 100%;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  overflow: hidden;
  z-index: 200;
}
.searchbox > input {
  border: none;
  box-sizing: border-box;
  padding: 0 20px;
  border-radius: 3px 0 0 3px;
  width: 25%;
  outline: none;
  height: 40px;
}
.searchbox > div {
  width: 40px;
  height: 40px;
  border-radius: 0 3px 3px 0;
  cursor: pointer;
  background-color: #3b9aaf;
  display: flex;
  align-items: center;
  justify-content: center;
  outline: none;
  border: none;
}
.searchbox > div > img {
  width: 30px;
  height: 30px;
}
.section {
  height: auto;
  margin-top: 60px;
  box-sizing: border-box;
  background-size: cover;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
}
@media (max-width: 768px) {
  .section {
    padding-top: 0;
  }
}
.section > .section_topcontent {
  width: 100%;
  max-width: 1200px;
  margin: auto;
  height: 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
@media (max-width: 768px) {
  .section > .section_topcontent {
    flex-direction: column;
  }
}
.section > .section_topcontent > .section_topleft {
  width: 210px;
  height: 100%;
  display: flex;
  flex-direction: column;
}
@media (max-width: 768px) {
  .section > .section_topcontent > .section_topleft {
    margin-top: 10px;
    flex-direction: row;
    margin-bottom: 10px;
    width: 100%;
    overflow-x: scroll;
  }
}
.section > .section_topcontent > .section_topleft > li {
  color: #fff;
  width: 100%;
  height: 30px;
  font-size: 22px;
  display: flex;
  margin: 15px 0;
  border-left: 5px solid transparent;
  padding-left: 20px;
  align-items: center;
  box-sizing: border-box;
  cursor: pointer;
  white-space: nowrap;
}
@media (max-width: 768px) {
  .section > .section_topcontent > .section_topleft > li {
    margin: 0;
    height: 20px;
  }
}
.section > .section_topcontent > .section_topleft > li > a {
  color: #fff;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
}
@media (max-width: 768px) {
  .section > .section_topcontent > .section_topleft > li > a {
    font-size: 14px;
    display: inline-block;
    width: 80px;
    text-align: center;
    height: 30px;
    line-height: 40px;
    margin-right: 10px;
  }
}
@media (max-width: 768px) {
  .section > .section_topcontent > .section_topleft > li {
    font-size: 14px;
    display: inline-block;
    width: 100px;
    text-align: center;
    height: 40px;
    line-height: 40px;
  }
}
@media (max-width: 992px) {
  .section > .section_topcontent > .section_topleft > li {
    padding-left: 0px;
    justify-content: center;
  }
}
.section > .section_topcontent > .section_topleft > li:hover,
.section > .section_topcontent > .section_topleft .chosed {
  color: #fff;
  border-left: 5px solid #3b9aaf;
}
.section > .section_topcontent > .section_topleft > li:hover a,
.section > .section_topcontent > .section_topleft .chosed a {
  color: #fff;
}
@media (max-width: 992px) {
  .section > .section_topcontent > .section_topleft > li:hover,
  .section > .section_topcontent > .section_topleft .chosed {
    border-left: none;
    background-color: #3b9aaf;
    border-radius: 20px 0 20px 0;
  }
}
.section .section_body {
  width: calc(100% - 100px);
  background-color: #fff;
  border-radius: 3px;
  box-sizing: border-box;
  padding: 15px 40px;
  min-height: calc(100vh - 170px);
}
@media (max-width: 768px) {
  .section .section_body {
    width: 95% !important;
    margin: auto;
    padding: 15px;
  }
}
.section .section_body > .classroom_search {
  width: 100%;
  height: 70px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
}
.section .section_body > .classroom_search > div {
  display: flex;
  align-items: center;
}
.section .section_body > .classroom_search > div > div {
  width: 35px;
  height: 35px;
  background-color: #318193;
  display: flex;
  align-items: center;
  border-radius: 0 5px 5px 0;
  justify-content: center;
}
.section .section_body > .classroom_search > div > div img {
  width: 30px;
}
.section .section_body > .classroom_search > div > input {
  width: 170px;
  height: 35px;
  box-sizing: border-box;
  padding: 0 10px;
  outline: none;
  border-radius: 5px 0 0 5px;
}
.section .section_body > .classroom_search > button {
  width: 60px;
  height: 35px;
  border: none;
  outline: none;
  background-color: #5362EB;
  border-radius: 5px;
  color: #fff;
  cursor: pointer;
}
.section .section_body > .classroom_search > .addclassroom,
.section .section_body > .classroom_search .addstudents {
  width: 120px;
  font-size: 14px;
  background-color: transparent;
  color: #318193;
  right: 20px;
}
.section .section_body > .classroom_list {
  width: 100%;
}
.section .section_body > .classroom_list tr:first-child {
  background-color: #F3F3F3;
}
.section .section_body > .classroom_list tr {
  height: 45px;
}
.section .section_body > .classroom_list tr td {
  text-align: center;
  color: #4E4E4E;
  font-weight: 400;
}
@media (max-width: 768px) {
  .section .section_body > .classroom_list tr td {
    height: 80px;
  }
}
.section .section_body > .classroom_list tr td button {
  width: 60px;
  height: 40px;
  background-color: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-weight: 400;
  color: #318193;
  border-radius: 5px;
  cursor: pointer;
}
@media (max-width: 768px) {
  .section .section_body > .classroom_list tr td button {
    height: 10px;
  }
}
.section .section_body > .classroom_list tr td > button:last-child {
  background-color: transparent;
  color: #F14A6C;
}
@media (max-width: 768px) {
  .section .section_body > .classroom_list tr > td:nth-child(1) {
    width: 10%;
  }
}
@media (max-width: 768px) {
  .section .section_body > .classroom_list tr > td:nth-child(2) {
    width: 20%;
  }
}
@media (max-width: 768px) {
  .section .section_body > .classroom_list tr > td:nth-child(3) {
    width: 20%;
  }
}
@media (max-width: 768px) {
  .section .section_body > .classroom_list tr > td:nth-child(5) {
    width: 13%;
  }
}
@media (max-width: 768px) {
  .section .section_body > .classroom_list tr > td:last-child {
    width: 10%;
  }
}
.section .section_body > #test1 {
  display: flex;
  justify-content: flex-end;
}
.repeat {
  display: none;
}
.layui-laypage .layui-laypage-curr .layui-laypage-em {
  background-color: #5362EB !important;
}
.layui-laypage a:hover {
  color: #5362EB !important;
}
.showbox_one {
  display: block;
}
.showbox_two {
  display: flex;
  display: none;
  flex-direction: column;
  padding-top: 30px !important;
}
@media (max-width: 768px) {
  .showbox_two {
    height: 600px;
  }
}
.showbox_two > .major {
  width: 100%;
  height: 100px;
}
.showbox_two > .major > h2 {
  font-size: 16px;
}
.showbox_two > .major > .select {
  width: 268px;
  height: 40px;
  position: relative;
}
.showbox_two > .major > .select > input {
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  padding: 0 10px;
  border-radius: 2px;
  border: 1px solid #c5c5c5;
  margin-top: 10px;
}
.showbox_two > .major > .select > ul {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: column;
  background-color: #fff;
  z-index: 11;
  position: absolute;
}
.showbox_two > .major > .select > ul > img {
  width: 15px;
  height: 15px;
  position: absolute;
  right: 10px;
  top: -25px;
}
.showbox_two > .major > .select > ul > li {
  width: 100%;
  height: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  overflow: hidden;
}
.showbox_two > .major > .select > ul > li:hover {
  background-color: #5362EB;
  color: #fff;
}
.showbox_two > .classroom_name,
.showbox_two .studentsname {
  width: 100%;
  height: 100px;
}
.showbox_two > .classroom_name > h2,
.showbox_two .studentsname > h2 {
  font-size: 16px;
}
.showbox_two > .classroom_name > input,
.showbox_two .studentsname > input {
  width: 200px;
  height: 40px;
  box-sizing: border-box;
  padding: 0 10px;
  border-radius: 2px;
  border: 1px solid #c5c5c5;
  margin-top: 10px;
}
.showbox_two > .students_list {
  width: 100%;
  height: 100px;
}
.showbox_two > .students_list > h2 {
  font-size: 16px;
}
.showbox_two > .students_list button {
  width: 100px;
  height: 40px;
  border-radius: 4px;
  border: 1px solid #c5c5c5;
  background-color: #fff;
  cursor: pointer;
  margin-right: 5px;
}
@media (max-width: 768px) {
  .showbox_two > .students_list button {
    margin-bottom: 5px !important;
  }
}
.showbox_two > .students_list > div:nth-child(2) {
  margin-top: 10px;
  display: flex;
  align-items: center;
}
.showbox_two > .students_list > div:nth-child(2) span {
  font-size: 14px;
  margin: 0 10px;
}
@media (max-width: 768px) {
  .showbox_two > .students_list > div:nth-child(2) span {
    margin: 5px 0;
  }
}
.showbox_two > .students_list > div:nth-child(2) > span:nth-child(2) {
  color: #5362eb;
}
.showbox_two > .students_list > div:nth-child(2) > span:nth-child(3) {
  color: #7e7e7e;
}
@media (max-width: 768px) {
  .showbox_two > .students_list > div:nth-child(2) {
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
  }
}
.showbox_two > .students_list > div:nth-child(3) {
  margin-top: 20px;
}
.showbox_two > .students_list > div:nth-child(3) > button {
  width: 60px;
}
.showbox_two > .students_list > div:nth-child(3) > button:first-child {
  background-color: #318193;
  width: 80px;
  height: 30px;
  color: #fff;
  cursor: pointer;
}
.showbox_two > .students_list > div:nth-child(3) > button:last-child {
  background-color: #fff;
  width: 80px;
  height: 30px;
  color: #318193;
  border: 1px solid #318193;
}
.del_box,
.del_boxstudent {
  width: 100%;
  height: 100vh;
  position: fixed;
  background-color: rgba(0, 0, 0, 0.5);
  background-image: none;
  z-index: 20;
  top: 0;
  left: 0;
  display: none;
}
.del_box > div,
.del_boxstudent > div {
  width: 400px;
  background-color: #fff;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  padding: 10px;
  position: absolute;
  left: 0;
  padding-bottom: 15px;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  margin: auto;
}
.del_box > div span,
.del_boxstudent > div span {
  font-size: 14px;
}
.del_box > div > div:nth-child(1),
.del_boxstudent > div > div:nth-child(1) {
  display: flex;
  align-items: center;
}
.del_box > div > div:nth-child(1) img,
.del_boxstudent > div > div:nth-child(1) img {
  margin-left: 10px;
  width: 30px;
  display: inline-block;
  margin-right: 10px;
}
.del_box > div > h2,
.del_boxstudent > div > h2 {
  display: inline-block;
  width: 100px;
  font-size: 20px;
  color: #666;
}
.del_box > div > div:nth-child(2),
.del_boxstudent > div > div:nth-child(2) {
  display: flex;
  align-items: center;
  height: 30px;
}
.del_box > div > div:nth-child(2) > span,
.del_boxstudent > div > div:nth-child(2) > span {
  font-size: 18px;
  width: 100%;
  margin-top: 30px;
  display: block;
  text-align: center;
}
.del_box > div > div:nth-child(2) > img,
.del_boxstudent > div > div:nth-child(2) > img {
  width: 20px;
  height: 20px;
  margin: 0 15px;
}
.del_box > div > .btnclass,
.del_boxstudent > div > .btnclass,
.del_box > div .btnstudent,
.del_boxstudent > div .btnstudent {
  width: 100%;
  margin-top: 25px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.del_box > div > .btnclass > button,
.del_boxstudent > div > .btnclass > button,
.del_box > div .btnstudent > button,
.del_boxstudent > div .btnstudent > button {
  height: 30px;
  font-size: 14px;
  width: 80px;
  border: 1px solid #318193;
  color: #318193;
  margin: 0 10px;
  border-radius: 5px;
  outline: none;
  cursor: pointer;
}
.del_box > div > .btnclass > button:first-child,
.del_boxstudent > div > .btnclass > button:first-child,
.del_box > div .btnstudent > button:first-child,
.del_boxstudent > div .btnstudent > button:first-child {
  background-color: #fff;
}
.del_box > div > .btnclass > button:last-child,
.del_boxstudent > div > .btnclass > button:last-child,
.del_box > div .btnstudent > button:last-child,
.del_boxstudent > div .btnstudent > button:last-child {
  background-color: #318193;
  color: #fff;
}
.del_box > div,
.del_boxstudent > div {
  display: flex;
}
.showbox_three {
  display: flex;
  display: none;
  flex-direction: column;
}
.showbox_three > .goback {
  width: 80px;
  background-color: #fff;
  border: none;
  margin-top: 10px;
  color: #fff;
  background-color: #318193;
  outline: none;
  font-size: 14px;
  height: 30px;
  border-radius: 3px;
  cursor: pointer;
}
.showbox_three > div {
  margin-top: -5px;
}
.showbox_three > .student_list {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: column;
}
.showbox_three > .student_list > li:first-child {
  border-top: 1px solid #CFCFCF;
}
.showbox_three > .student_list > li {
  width: 100%;
  border-bottom: 1px solid #CFCFCF;
  display: flex;
  align-items: center;
  text-align: center;
  height: 40px;
  line-height: 40px;
}
.showbox_three > .student_list > li > span:first-child {
  width: 5%;
}
.showbox_three > .student_list > li > span:nth-child(2) {
  width: 15%;
}
.showbox_three > .student_list > li > span:nth-child(3) {
  width: 15%;
}
.showbox_three > .student_list > li > span:nth-child(4) {
  width: 15%;
}
.showbox_three > .student_list > li > span:nth-child(5) {
  width: 15%;
}
.showbox_three > .student_list > li > span:nth-child(6) {
  width: 15%;
}
.showbox_three > .student_list > li > span:nth-child(7) {
  width: 25%;
  display: flex;
  justify-content: space-evenly;
}
.showbox_three > .student_list > li > span:nth-child(7) > span {
  cursor: pointer;
}
.showbox_three > .student_list > li > span:nth-child(7) > span:nth-child(3),
.showbox_three > .student_list > li > span:nth-child(7) span:nth-child(2) {
  color: #F14A6C;
}
.showbox_three > .student_list > li > span:nth-child(7) > span:nth-child(1) {
  color: #5362EB;
}
.showbox_four {
  display: flex;
  display: none;
  flex-direction: column;
}
.showbox_four input {
  border-radius: 5px;
}
.showbox_four h2 {
  font-size: 24px;
}
.showbox_four .classroom_name,
.showbox_four .studentsname {
  width: 250px;
  height: auto;
  margin: 10px 0;
}
.showbox_four .classroom_name > input,
.showbox_four .studentsname > input {
  height: 50px;
  width: 100%;
  box-sizing: border-box;
  padding: 0 10px;
}
.showbox_four > .students_list {
  width: 100%;
  display: flex;
  height: 40px;
  margin-top: 20px;
}
.showbox_four > .students_list > div {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
}
.showbox_four > .students_list > div > button {
  width: 70px;
  height: 100%;
  color: #fff;
  margin-right: 30px;
  border: 1px solid #5362EB;
  border-radius: 5px;
  color: #5362EB;
  cursor: pointer;
  background-color: #fff;
}
.showbox_four > .students_list > div > button:first-child {
  background-color: #5362EB;
  color: #fff;
}
.section input {
  border: 1px solid #dadada;
}
.select {
  width: 250px;
  position: relative;
}
.select input {
  width: 250px;
  height: 50px;
  box-sizing: border-box;
  padding: 0 10px;
}
.select ul {
  position: absolute;
  width: 100%;
  background-color: #fff;
  z-index: 11;
}
.select ul > li {
  width: 100%;
  height: 0px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #F3F3F3;
  transition: all 0.3s;
  cursor: pointer;
}
.select ul > li:hover {
  background-color: #c9c8c8;
}
.select ul > img {
  position: absolute;
  right: 10px;
  width: 15px;
  top: -30px;
}
#test2 {
  color: #3b9aaf;
  font-size: 14px;
  border: 1px solid #318193;
  width: 80px;
  height: 30px;
  padding: 0;
  margin: 0;
  line-height: 30px;
  border-radius: 3px;
}
.upload {
  width: 320px;
  height: auto;
  margin-top: 10px;
  overflow: hidden;
}
.upload_bind {
  width: 100%;
  height: 30px;
  position: relative;
}
.upload_bind input {
  width: 100%;
  height: 100%;
  border: 1px solid #dbdbdb;
  padding: 0 80px 0 10px;
  box-sizing: border-box;
}
.upload_bind_btn {
  width: 70px;
  height: 100%;
  position: absolute;
  right: 0;
  top: 0;
  background: #23bc85;
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  font-size: 14px;
}
.upload_ul {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  flex-wrap: wrap;
}
.upload_ul li {
  display: inline-block;
  width: 100px;
  height: 100px;
  border: 1px solid #dbdbdb;
  box-sizing: border-box;
  margin: 10px 10px 0 0;
  padding: 5px;
}
.upload_ul li:nth-child(3n) {
  margin-right: 0;
}
.upload_ul li img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.title {
  font-size: 16px;
  margin-bottom: 40px;
  border-left: 5px solid #318193;
  box-sizing: border-box;
  padding-left: 10px;
}