.head-img {
  width: 100%;
}

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

.head-imgH5 {
  display: none;
}

.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: 214px;
  height: 36px;
  line-height: 36px;
  text-align: center;
  cursor: pointer;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  border-right: 1px solid #ced2d5;
  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: #276DFA;
  font-weight: bold;
}

.nav .nav-head ul li:nth-child(4) {
  border: none;
}

.nav .nav-content {
  width: 1200px;
  margin: 0 auto;
  margin-top: 46px;
}

.nav .nav-content h1 {
  width: 100%;
  text-align: center;
  letter-spacing: 1px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e4e4e4;
  font-size: 22px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #333333;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}

.nav .nav-content .first {
  height: 1480px;
  display: block;
}

.nav .nav-content .first h2 {
  margin-top: 30px;
  width: 80px;
  height: 20px;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #333333;
  line-height: 20px;
  padding-left: 10px;
  border-left: 4px solid #276DFA;
  margin-left: 25px;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}

.nav .nav-content .first p {
  width: 1150px;
  font-size: 17px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 35px;
  margin: 0 auto;
  margin-top: 20px;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}

.nav .nav-content .first .img {
  margin-top: 30px;
  margin-bottom: 15px;
  text-align: center;
}

.nav .nav-content .first .img img {
  width: 550px;
  height: 410px;
}

.nav .nav-content .first .img img:nth-child(2) {
  margin-left: 30px;
}

.nav .nav-content .seconds {
  display: none;
  height: 950px;
}

.nav .nav-content .seconds p {
  width: 100%;
  text-align: center;
  height: 18px;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 42px;
  margin-top: 25px;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}

.nav .nav-content .seconds ul {
  list-style: none;
  width: 1200px;
  display: none;
  height: 699px;
}

.nav .nav-content .seconds ul.active {
  display: block;
}

.nav .nav-content .seconds ul li {
  width: 1200px;
  height: 160px;
  margin-top: 20px;
  background: #ffffff;
  transition: 0.5s;
}

.nav .nav-content .seconds ul li:hover {
  box-shadow: 3px 5px 10px 0px rgba(74, 141, 231, 0.3);
}

.nav .nav-content .seconds ul li a {
  text-decoration: none;
}

.nav .nav-content .seconds ul li a:hover .right p {
  color: #276DFA;
}

.nav .nav-content .seconds ul li a .left {
  float: left;
  height: 160px;
  width: 210px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-left: 20px;
}

.nav .nav-content .seconds ul li a .left img {
  width: 210px;
  height: 120px;
}

.nav .nav-content .seconds ul li a .right {
  float: left;
  height: 160px;
  width: 932px;
  margin-left: 17px;
}

.nav .nav-content .seconds ul li a .right h2 {
  width: 100%;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #333333;
  margin-top: 30px;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}

.nav .nav-content .seconds ul li a .right p {
  margin-top: 19px;
  width: 100%;
  text-align: left;
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #666666;
  line-height: 26px;
  transition: 0.5s;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}

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

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

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

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

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

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

.nav .nav-content .three {
  display: none;
  height: 2200px;
}

.nav .nav-content .three .img {
  width: 1200px;
}

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

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

.nav .nav-content .three .img ul li {
  width: 350px;
  height: 494px;
  float: left;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 30px;
  transition: all 0.5s;
}

.nav .nav-content .three .img ul li:hover {
  box-shadow: 2px 2px 5px #696767;
}

.nav .nav-content .three .img ul li:nth-child(2),
.nav .nav-content .three .img ul li:nth-child(5),
.nav .nav-content .three .img ul li:nth-child(8) {
  margin-left: 56px;
  margin-right: 56px;
}

.nav .nav-content .three .img ul li img {
  width: 330px;
  height: auto;
}

.nav .nav-content .four {
  display: none;
  height: 880px;
}

.nav .nav-content .four table {
  width: 100%;
  margin-top: 30px;
  border-bottom: 1px dashed #a5a3a3;
  padding-bottom: 20px;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}

.nav .nav-content .four table:nth-child(8) {
  border: none;
}

.nav .nav-content .four table:nth-child(1) td:nth-child(1) span {
  background-image: url('../images/icon/电话\ \(1\)\ 拷贝.png');
}

.nav .nav-content .four table:nth-child(1) td:nth-child(2) span {
  background-image: url('../images/icon/地址\ \(3\)\ 拷贝.png');
}

.nav .nav-content .four table:hover th {
  color: #276DFA;
}

.nav .nav-content .four table:hover td {
  color: #276DFA;
}

.nav .nav-content .four table th {
  width: 260px;
  height: 20px;
  line-height: 20px;
  text-align: left;
  transition: 0.3s;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #333333;
  border-left: 4px solid #276DFA;
  padding-left: 14px;
  margin-bottom: 20px;
  display: block;
}

.nav .nav-content .four table td {
  height: 20px;
  line-height: 20px;
  transition: 0.3s;
  padding-left: 14px;
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
}

.nav .nav-content .four table td:nth-child(1) {
  width: 25%;
}

.nav .nav-content .four table td:nth-child(1) span {
  background-image: url('../images/icon/人\ \(2\)\ 拷贝.png');
}

.nav .nav-content .four table td:nth-child(2) {
  width: 25%;
}

.nav .nav-content .four table td:nth-child(2) span {
  background-image: url('../images/icon/电话\ \(1\)\ 拷贝.png');
}

.nav .nav-content .four table td:nth-child(3) {
  width: 40%;
}

.nav .nav-content .four table td:nth-child(3) span {
  background-image: url('../images/icon/地址\ \(3\)\ 拷贝.png');
}

.nav .nav-content .four table td span {
  width: 20px;
  height: 20px;
  float: left;
  display: block;
  margin-right: 5px;
  background-repeat: no-repeat;
  background-position: center;
}
.fourH5{
  display: none;
}

@media only screen and (max-width: 768px) {
  .nav .nav-content {
    margin-top: 24px;
  }

  .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%;
    padding-bottom: 30px;
  }

  .nav .nav-content .first {
    height: auto;
  }

  .nav .nav-content .seconds {
    height: auto;
  }

  .nav .nav-content .three {
    height: auto;
  }

  .nav .nav-content .four {
    height: auto;
  }

  .nav .nav-content .first p {
    width: 100%;
    font-size: 10px;
    margin-top: 10px;
    line-height: 1.8;
  }

  .nav .nav-content h1 {
    display: none;
  }

  .nav .nav-content .first h2 {
    margin-left: 0;
    margin-top: 20px;
  }

  .nav .nav-content .first {
    padding: 0 24px;
  }

  .nav .nav-content .first h2 {
    font-size: 13px;
    height: 14px;
    line-height: 14px;
    border-width: 2px;
    padding-left: 5px;
  }

  .nav .nav-content .first .img {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
  }

  .nav .nav-content .first .img img {
    width: 48%;
    height: 117px;
    margin: 0 !important;
  }

  .nav .nav-content .seconds {
    padding: 0 15px;
  }

  .nav .nav-content .seconds p {
    line-height: 1;
    height: auto;
    margin-top: 0;
    padding-bottom: 12px;
    border-bottom: 1px solid #E5E5E5;
    font-size: 10px;
  }

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

  .nav .nav-content .seconds ul li {
    width: 100%;
    height: auto;
    clear: both;
  }

  .nav .nav-content .seconds ul li a .left {
    margin-left: 0;
  }

  .nav .nav-content .seconds ul li a .left {
    width: 106px;
    height: 60px;
  }

  .nav .nav-content .seconds ul li a .left img {
    width: 106px;
    height: 60px;
  }

  .nav .nav-content .seconds ul li a {
    display: flex;
    align-items: center;
  }

  .nav .nav-content .seconds ul li a .right {
    width: auto;
    height: auto;
    min-width: 1px;
  }

  .nav .nav-content .seconds ul li a .right h2 {
    margin-top: 0;
    font-size: 10px;
    font-weight: bold;
  }

  .nav .nav-content .seconds ul li a .right p {
    font-size: 10px;
    color: #666;
    margin-top: 5px;
    padding-bottom: 0;
    border: none;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.8;
    -webkit-line-clamp: 2;
    /* autoprefixer: off */
    -webkit-box-orient: vertical;
    /* autoprefixer: on */
    display: -webkit-box;
    word-break: break-all;
  }
  .nav .nav-content .btn {
    margin-top: 0;
    margin-bottom: 30px;
  }
  .nav .nav-content .seconds .btn button{
    width: 22px;
    height: 22px;
    border-radius: 4px;
  }
  .nav .nav-content  .btn span {
    margin: 0 !important;
    padding: 0 4px;
  }
  .nav .nav-content .three .img{
    width: 100%;
  }
  .nav .nav-content .three .img ul li{
    width: 50%;
    height: auto;
    margin-left: 0 !important;
    margin-right: 0 !important;
    margin-top: 15px;
  }
  .nav .nav-content .three .img ul li div{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 156px;
    height: 222px;
    border: 0.5px solid #E5E5E5;
 
  }
  .nav .nav-content .three .img ul li img{
    width: 140px;
  }
  .nav .nav-content .three .img ul{
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
  }
  .nav .nav-content .three .img ul li:hover {
    box-shadow: none;
  }
  .fourPc{
    display: none;
  }
  .fourH5{
    display: block;
  }
  .fourH5 .fourH5Item{
    padding: 20px;
    font-size: 10px;
    color: #333;
    line-height: 2;
  }
  .fourH5 .fourH5Item h2{
    font-size: 13px;
    color: #333;
    font-weight: bold;
    height: 16px;
    border-left: 2px solid #276DFA;
    line-height: 16px;
    padding-left: 8px;
  }
  .fourH5 .fourH5Item img{
    width: 10px;
    height: 10px;
  }
  .phoneBox{
    display: flex;
    margin-top: 6px;
  }
  .phoneLeft{
    width: 50%;
    text-align: left;
  }
  .phoneRight{
    width: 50%;
    text-align: left;
  }
  .site{
    line-height: 1.4;
    margin-top: 3px;
  }
}