.head-img {
  width: 100%;
}

.head-imgH5 {
  display: none;
}

.head-img img {
  width: 100%;
  height: auto;
  display: block;
}

.nav {
  width: 100%;
  margin: 0 auto;
}

.nav .nav-head {
  width: 100%;
  height: 50px;
  box-shadow: 0px 5px 10px #e2e0e0;
}

.nav .nav-head ul {
  list-style: none;
  display: flex;
  justify-content: center;
}

.nav .nav-head ul li {
  float: left;
  width: 200px;
  height: 36px;
  line-height: 36px;
  text-align: center;
  border-right: 1px solid #ced2d5;
  cursor: pointer;
  font-size: 18px;
  font-family: Microsoft YaHei;
  color: #343434;
  margin-top: 7px;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}

.nav .nav-head ul li.active {
  color: #286efa;
  font-weight: bold;
}

.nav .nav-head ul li:nth-child(2) {
  border-right: none;
}

.nav h1 {
  width: 100%;
  text-align: center;
  letter-spacing: 1px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e4e4e4;
  margin-top: 40px;
  font-size: 22px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #343434;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}

.nav .nav-content {
  width: 1200px;
  margin: 0 auto;
  margin-top: 30px;
}

.nav .nav-content .school {
  width: 1200px;
  height: 800px;
  display: block;
}

.nav .nav-content .school ul {
  list-style: none;
  width: 100%;
  height: 640px;
}

.nav .nav-content .school ul.active {
  display: none;
}

.nav .nav-content .school ul::after {
  content: '';
  display: block;
  clear: both;
}

.nav .nav-content .school ul li {
  width: 100px;
  height: 130px;
  float: left;
  margin-left: 100px;
  margin-top: 30px;
}

.nav .nav-content .school ul li:hover img {
  transform: scale(1.05);
}

.nav .nav-content .school ul li:hover p {
  color: #286efa;
}

.nav .nav-content .school ul li:nth-child(1),
.nav .nav-content .school ul li:nth-child(7),
.nav .nav-content .school ul li:nth-child(13),
.nav .nav-content .school ul li:nth-child(19) {
  margin-left: 50px;
}

.nav .nav-content .school ul li img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  transition: 0.5s;
}

.nav .nav-content .school ul li p {
  width: 100%;
  text-align: center;
  font-size: 13px;
  color: #333333;
  transition: 0.5s;
  font-family: Microsoft YaHei;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}

.nav .nav-content .school .btn {
  margin-top: 50px;
  width: 100%;
  text-align: center;
  height: 30px;
  color: #979897;
}

.nav .nav-content .school .btn span {
  font-size: 12px;
  user-select: none;
  cursor: pointer;
}

.nav .nav-content .school .btn span:hover {
  color: #286efa;
}

.nav .nav-content .school .btn span:nth-child(1) {
  margin-right: 20px;
}

.nav .nav-content .school .btn span:nth-child(12) {
  margin-left: 20px;
}

.nav .nav-content .school .btn button {
  width: 28px;
  height: 28px;
  border-radius: 5px;
  border: none;
  outline: none;
  cursor: pointer;
  color: #979897;
  font-size: 12px;
  background-color: #fff;
  border: 1px solid #e1e3e4;
}

.nav .nav-content .school .btn button.active {
  background-color: #286efa;
  color: #fff;
  font-weight: 600;
}

.nav .nav-content .company {
  width: 1200px;
  display: none;
}

.nav .nav-content .company .content {
  width: 1200px;
  height: 550px;
  margin-top: 30px;
}

.nav .nav-content .company .content ul {
  list-style: none;
}

.nav .nav-content .company .content ul li {
  width: 200px;
  height: 70px;
  float: left;
  margin-top: 10px;
  margin-left: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid #cccccc;
  overflow: hidden;
  transition: 0.5s;
}

.nav .nav-content .company .content ul li:hover {
  border: 1px solid #286efa;
}

.nav .nav-content .company .content ul li:hover img {
  transform: scale(1.1);
}

.nav .nav-content .company .content ul li:nth-child(1),
.nav .nav-content .company .content ul li:nth-child(6),
.nav .nav-content .company .content ul li:nth-child(11),
.nav .nav-content .company .content ul li:nth-child(16),
.nav .nav-content .company .content ul li:nth-child(21),
.nav .nav-content .company .content ul li:nth-child(26) {
  margin-left: 55px;
}

.nav .nav-content .company .content ul li img {
  width: 50px;
  height: 50px;
  transition: 0.5s;
}

.nav .nav-content .company .content ul li:nth-child(1) img {
  width: 175px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(2) img {
  width: 103px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(3) img {
  width: 54px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(4) img {
  width: 134px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(5) img {
  width: 143px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(6) img {
  width: 152px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(7) img {
  width: 158px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(8) img {
  width: 156px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(9) img {
  width: 177px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(10) img {
  width: 98px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(11) img {
  width: 130px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(12) img {
  width: 134px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(13) img {
  width: 163px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(14) img {
  width: 169px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(15) img {
  width: 149px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(16) img {
  width: 73px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(17) img {
  width: 76px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(18) img {
  width: 126px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(19) img {
  width: 55px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(20) img {
  width: 61px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(21) img {
  width: 143px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(22) img {
  width: 111px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(23) img {
  width: 96px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(24) img {
  width: 188px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(25) img {
  width: 119px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(26) img {
  width: 186px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(27) img {
  width: 85px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(28) img {
  width: 55px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(29) img {
  width: 130px;
  height: auto;
}

.nav .nav-content .company .content ul li:nth-child(30) img {
  width: 74px;
  height: auto;
}

@media only screen and (max-width: 768px) {

  .nav .nav-head {
    height: auto;
    box-shadow: 0px 0px 9px 0px rgba(97, 149, 255, 0.2);
    padding: 10px 0;
  }

  .nav .nav-head ul li {
    font-size: 12px;
    height: auto;
    line-height: 1;
    margin-top: 0;
  }
  .head-img{
    display: none;
  }
  .head-imgH5 {
    display: block;
  }

  .head-imgH5 img {
    width: 100%;
    height: auto;
    display: block;
  }

  .nav .nav-content {
    width: 100%;
  }

  .nav .nav-content .school {
    width: 100%;
    height: auto;
  }

  .nav .nav-content .company {
    width: 100%;
    height: auto;
  }

  .nav h1 {
    display: none;
  }

  .nav .nav-content .school ul {
    height: auto;
    display: flex;
    flex-wrap: wrap;
  }

  .nav .nav-content .school ul li {
    margin-left: 0 !important;
    width: 33%;
    height: auto;
    text-align: center;
    margin-top: 0;
    margin-bottom: 30px;
  }

  .nav .nav-content .school ul li img {
    width: 50px;
    height: 50px;
  }

  .nav .nav-content .school ul li p {
    font-size: 10px;
    padding: 5px;
    box-sizing: border-box;
  }

  .nav .nav-content .school .btn {
    margin-top: 0;
    margin-bottom: 30px;
  }

  .nav .nav-content .school .btn button {
    width: 22px;
    height: 22px;
    border-radius: 4px;
  }

  .nav .nav-content .school .btn span {
    margin: 0 !important;
    padding: 0 4px;
  }

  .nav .nav-content .company .content {
    width: 100%;
    height: auto;
  }

  .nav .nav-content .company .content ul li {
    margin: 0 !important;
    width: 110px;
    height: 40px;
    margin-bottom: 10px !important;
  }

  .nav .nav-content .company .content ul li:nth-child(1) img {
    width: 88px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(2) img {
    width: 52px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(3) img {
    width: 28px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(4) img {
    width: 68px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(5) img {
    width: 72px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(6) img {
    width: 76px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(7) img {
    width: 78px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(8) img {
    width: 78px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(9) img {
    width: 88px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(10) img {
    width: 50px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(11) img {
    width: 65px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(12) img {
    width: 68px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(13) img {
    width: 82px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(14) img {
    width: 86px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(15) img {
    width: 75px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(16) img {
    width: 38px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(17) img {
    width: 38px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(18) img {
    width: 64px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(19) img {
    width: 28px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(20) img {
    width: 31px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(21) img {
    width: 72px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(22) img {
    width: 56px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(23) img {
    width: 48px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(24) img {
    width: 94px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(25) img {
    width: 60px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(26) img {
    width: 94px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(27) img {
    width: 42px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(28) img {
    width: 28px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(29) img {
    width: 75px;
    height: auto;
  }

  .nav .nav-content .company .content ul li:nth-child(30) img {
    width: 36px;
    height: auto;
  }

  .nav .nav-content .company .content ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }

}