.group {
  width: 100%;
  display: flex;
  flex-flow: column;
  align-items: center;
}

.group .group_nav {
  width: 100%;
  height: 62px;
  background-color: #eef4fa;
  display: flex;
  justify-content: center;
}

.group .group_nav .group_conter_nav {
  width: 1440px;
  height: 100%;
}

.group .group_nav .group_conter_nav div {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: left;
  align-items: center;
  font-size: 16px;
  color: #324554;
}

.group .group_nav .group_conter_nav div a {
  font-size: 16px;
  color: #324554;
}

.group .group_conter {
  width: 1440px;
  cursor: pointer;
}

.group .group_conter .group_btn_box {
  height: 190px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.group .group_conter .group_btn_box .btn_box {
  height: 79px;
  display: flex;
}

.group .group_conter .group_btn_box .btn_box .btn1,
.group .group_conter .group_btn_box .btn_box .btn2 {
  width: 210px;
  height: 79px;
  background-color: #fafafa;
  line-height: 79px;
  text-align: center;
  font-size: 32px;
  color: #000c15;
  margin-right: 22px;
}

.group .group_conter .group_btn_box .btn_box .btn1 a,
.group .group_conter .group_btn_box .btn_box .btn2 a {
  color: #000c15;
}

.group .group_conter .group_btn_box .btn_box .btn1:nth-last-child(1),
.group .group_conter .group_btn_box .btn_box .btn2:nth-last-child(1) {
  margin-right: 0px;
}

.group .group_conter .group_btn_box .btn_box .active {
  background-color: #5791cf;
  color: #fff;
}

.group .group_conter .group_btn_box .btn_box .active a {
  color: #fff;
}

.group .group_conter .group_certificate {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}

.group .group_conter .group_certificate .certificate {
  width: 342px;
  height: 474px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 18px;
  border: 1px solid #e7e7e7;
  margin-bottom: 50px;
}

.group .group_conter .group_certificate .certificate:nth-child(1n + 5) {
  margin-bottom: 0px;
}

.group .group_conter .group_certificate .certificate:nth-child(4) {
  margin-right: 0;
}

.group .group_conter .group_certificate .certificate:nth-child(8) {
  margin-right: 0;
}

.group .group_conter .group_certificate .certificate .certificate_poto {
  width: 276px;
  height: 393px;
}

.group .group_conter .group_certificate .certificate .certificate_poto .img {
  width: 100%;
  height: 100%;
  display: block;
}

.group .group_conter .group_all {
  width: 100%;
  display: none;
  display: flex;
  flex-wrap: wrap;
}

.group .group_conter .group_all .all_img {
  border: 1px solid #dcdcdc;
  margin-bottom: 35px;
  margin-right: 1%;
  width: 32.3%;
}

.group .group_conter .group_all .all_img:nth-child(3n + 3) {
  margin-right: 0;
}

.group .group_conter .group_all .all_img .img {
  width: 100%;
  height: 359px;
}

.group .group_conter .group_all .all_img .img img {
  display: block;
  width: 100%;
  height: 100%;
}

.group .group_conter .group_all .all_img .all_tit {
  width: 100%;
  height: 59px;
  border-top: 1px solid #e7e7e7;
  line-height: 59px;
  text-align: center;
  font-size: 16px;
  color: #858585;
}

.group .group_conter .pages {
  width: 100%;
  height: 217px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.group .group_conter .pages .page_box {
  height: 52px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 484px;
}

.group .group_conter .pages .page_box .prev {
  width: 96px;
  height: 52px;
  border: 1px solid #e5e5e5;
  text-align: center;
  line-height: 52px;
  font-size: 16px;
  color: #858585;
}

.group .group_conter .pages .page_box .prev a {
  color: #858585;
}

.group .group_conter .pages .page_box .page {
  height: 52px;
  width: 52px;
  border: 1px solid #e5e5e5;
  text-align: center;
  line-height: 52px;
  font-size: 16px;
  color: #858585;
}

.group .group_conter .pages .page_box .page a {
  color: #858585;
}

.group .group_conter .pages .page_box .next {
  width: 96px;
  height: 52px;
  border: 1px solid #e5e5e5;
  text-align: center;
  line-height: 52px;
  font-size: 16px;
  color: #858585;
}

.group .group_conter .pages .page_box .next a {
  color: #858585;
}

@media screen and (max-width: 1600px) {
  .group .group_nav .group_conter_nav {
    width: 1350px;
  }

  .group .group_conter {
    width: 1350px;
  }

  .group .group_conter .group_btn_box {
    height: 180px;
  }

  .group .group_conter .group_certificate .certificate {
    width: 322px;
    height: 470px;
  }

  .group .group_conter .pages {
    height: 180px;
  }
}

@media screen and (max-width: 1400px) {
  .group .group_nav .group_conter_nav {
    width: 1020px;
  }

  .group .group_conter {
    width: 1020px;
  }

  .group .group_conter .group_btn_box {
    height: 150px;
  }

  .group .group_conter .group_btn_box .btn_box .btn1,
  .group .group_conter .group_btn_box .btn_box .btn2 {
    width: 200px;
    height: 70px;
    line-height: 70px;
  }

  .group .group_conter .group_certificate .certificate {
    width: 239px;
    height: 315px;
    margin-bottom: 20px;
  }

  .group .group_conter .group_certificate .certificate .certificate_poto {
    width: 210px;
    height: 295px;
  }

  .group .group_conter .group_certificate .certificate .certificate_poto img {
    width: 100%;
    height: 100%;
  }

  .group .group_conter .group_all .all_img .img {
    height: 290px;
  }

  .group .group_conter .pages {
    height: 140px;
  }

  .group .group_conter .pages .page_box .prev {
    height: 50px;
  }

  .group .group_conter .pages .page_box .page {
    width: 50px;
    height: 50px;
  }

  .group .group_conter .pages .page_box .next {
    height: 50px;
  }
}

@media screen and (max-width: 1020px) {
  .group .group_nav {
    height: 60px;
  }

  .group .group_nav .group_conter_nav {
    width: 767px;
  }

  .group .group_conter {
    width: 767px;
  }

  .group .group_conter .group_btn_box {
    height: 100px;
  }

  .group .group_conter .group_btn_box .btn_box {
    height: 60px;
  }

  .group .group_conter .group_btn_box .btn_box .btn1,
  .group .group_conter .group_btn_box .btn_box .btn2 {
    width: 155px;
    height: 60px;
    line-height: 60px;
    font-size: 25px;
  }

  .group .group_conter .group_certificate .certificate {
    width: 239px;
    height: 315px;
    margin-bottom: 20px;
    margin-right: 18px;
  }

  .group .group_conter .group_certificate .certificate .certificate_poto {
    width: 210px;
    height: 295px;
  }

  .group .group_conter .group_certificate .certificate .certificate_poto img {
    width: 100%;
    height: 100%;
  }

  .group .group_conter .group_certificate .certificate:nth-child(4) {
    margin-right: 18px;
  }

  .group .group_conter .group_certificate .certificate:nth-child(3n + 3) {
    margin-right: 0;
  }

  .group .group_conter .group_all .all_img .img {
    height: 200px;
  }

  .group .group_conter .group_all .all_img .all_tit {
    width: 100%;
    height: 50px;
    line-height: 50px;
  }

  .group .group_conter .pages {
    height: 100px;
  }

  .group .group_conter .pages .page_box .prev {
    width: 80px;
    height: 45px;
    line-height: 45px;
  }

  .group .group_conter .pages .page_box .page {
    width: 45px;
    height: 45px;
    line-height: 45px;
  }

  .group .group_conter .pages .page_box .next {
    width: 80px;
    height: 45px;
    line-height: 45px;
  }
}

@media screen and (max-width: 767px) {
  .group .group_nav {
    height: 60px;
  }

  .group .group_nav .group_conter_nav {
    width: 100%;
    box-sizing: border-box;
    padding: 0px 10px;
    font-size: 15px;
  }

  .group .group_conter {
    width: 100%;
    padding: 0px 10px;
    box-sizing: border-box;
  }

  .group .group_conter .group_btn_box {
    height: 80px;
  }

  .group .group_conter .group_btn_box .btn_box {
    height: auto;
  }

  .group .group_conter .group_btn_box .btn_box .btn1,
  .group .group_conter .group_btn_box .btn_box .btn2 {
    width: 155px;
    height: 50px;
    line-height: 60px;
    font-size: 25px;
    width: 120px;
    line-height: 50px;
    font-size: 20px;
  }

  .group .group_conter .group_certificate .certificate {
    width: 31%;
    height: 230px;
    margin-bottom: 10px;
    margin-right: 1.8% !important;
    justify-content: center;
  }

  .group .group_conter .group_certificate .certificate .certificate_poto {
    width: 86%;
    height: 86%;
  }

  .group .group_conter .group_certificate .certificate .certificate_poto img {
    width: 100%;
    height: 100%;
  }

  .group .group_conter .group_certificate .certificate:nth-child(4) {
    margin-right: 1%;
  }

  .group .group_conter .group_certificate .certificate:nth-child(3n + 3) {
    margin-right: 0px !important;
  }

  .group .group_conter .group_all .all_img {
    margin-bottom: 20px;
  }

  .group .group_conter .group_all .all_img .img {
    height: 185px;
  }

  .group .group_conter .group_all .all_img .all_tit {
    width: 100%;
    height: 45px;
    line-height: 50px;
  }

  .group .group_conter .pages {
    height: 80px;
  }

  .group .group_conter .pages .page_box {
    width: 50%;
  }

  .group .group_conter .pages .page_box .prev {
    width: 70px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .group .group_conter .pages .page_box .page {
    width: 35px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .group .group_conter .pages .page_box .next {
    width: 70px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
}

@media screen and (max-width: 600px) {
  .group .group_nav {
    height: 60px;
  }

  .group .group_nav .group_conter_nav {
    width: 100%;
    box-sizing: border-box;
    padding: 0px 10px;
    font-size: 14px;
  }

  .group .group_conter {
    width: 100%;
    padding: 0px 10px;
    box-sizing: border-box;
  }

  .group .group_conter .group_btn_box {
    height: 55px;
  }

  .group .group_conter .group_btn_box .btn_box {
    height: auto;
  }

  .group .group_conter .group_btn_box .btn_box .btn1,
  .group .group_conter .group_btn_box .btn_box .btn2 {
    width: 95px;
    height: 35px;
    font-size: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .group .group_conter .group_certificate .certificate {
    width: 30%;
    height: 185px;
    margin-bottom: 10px;
    margin-right: 3% !important;
  }

  .group .group_conter .group_certificate .certificate .certificate_poto {
    width: 86%;
    height: 86%;
  }

  .group .group_conter .group_certificate .certificate .certificate_poto img {
    width: 100%;
    height: 100%;
  }

  .group .group_conter .group_certificate .certificate:nth-child(4) {
    margin-right: 3%;
  }

  .group .group_conter .group_certificate .certificate:nth-child(3n + 3) {
    margin-right: 0;
  }

  .group .group_conter .group_all .all_img {
    margin-bottom: 20px;
    width: 32%;
  }

  .group .group_conter .group_all .all_img .img {
    height: 140px;
  }

  .group .group_conter .group_all .all_img .all_tit {
    width: 100%;
    height: 40px;
    line-height: 40px;
  }

  .group .group_conter .pages {
    height: 60px;
  }

  .group .group_conter .pages .page_box {
    width: 327px;
  }

  .group .group_conter .pages .page_box .prev {
    width: 70px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
  }

  .group .group_conter .pages .page_box .page {
    width: 35px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
  }

  .group .group_conter .pages .page_box .next {
    width: 70px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
  }
}

@media screen and (max-width: 480px) {
  .group .group_nav {
    height: 50px;
  }

  .group .group_nav .group_conter_nav {
    width: 100%;
    box-sizing: border-box;
    padding: 0px 10px;
  }

  .group .group_nav .group_conter_nav span {
    font-size: 14px;
  }

  .group .group_nav .group_conter_nav span a {
    font-size: 14px;
  }

  .group .group_conter {
    width: 100%;
    padding: 0px 10px;
    box-sizing: border-box;
  }

  .group .group_conter .group_btn_box {
    height: 55px;
  }

  .group .group_conter .group_btn_box .btn_box {
    height: auto;
  }

  .group .group_conter .group_btn_box .btn_box .btn1,
  .group .group_conter .group_btn_box .btn_box .btn2 {
    width: 95px;
    height: 35px;
    font-size: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .group .group_conter .group_certificate .certificate {
    width: 30%;
    height: 155px;
    margin-bottom: 10px;
    margin-right: 3% !important;
  }

  .group .group_conter .group_certificate .certificate .certificate_poto {
    width: 86%;
    height: 86%;
  }

  .group .group_conter .group_certificate .certificate .certificate_poto img {
    width: 100%;
    height: 100%;
  }

  .group .group_conter .group_certificate .certificate:nth-child(4) {
    margin-right: 3%;
  }

  .group .group_conter .group_certificate .certificate:nth-child(3n + 3) {
    margin-right: 0;
  }

  .group .group_conter .group_all .all_img {
    margin-bottom: 10px;
    width: 48%;
  }

  .group .group_conter .group_all .all_img .img {
    height: 140px;
  }

  .group .group_conter .group_all .all_img .all_tit {
    width: 100%;
    height: 35px;
    line-height: 35px;
    font-size: 14px;
  }

  .group .group_conter .group_all .all_img:nth-child(2n+2) {
    margin-right: 0px;
  }

  .group .group_conter .pages {
    height: 60px;
  }

  .group .group_conter .pages .page_box {
    width: 327px;
  }

  .group .group_conter .pages .page_box .prev {
    width: 70px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
  }

  .group .group_conter .pages .page_box .page {
    width: 35px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
  }

  .group .group_conter .pages .page_box .next {
    width: 70px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
  }
}

@media screen and (max-width: 320px) {

  .group .group_conter .group_btn_box .btn_box .btn1,
  .group .group_conter .group_btn_box .btn_box .btn2 {
    width: 80px;
    font-size: 14px;
    height: 30px;
  }

  .group .group_conter .group_btn_box .btn_box .btn1 {
    margin-left: 10px;
  }

  .group .group_conter .group_certificate .certificate {
    height: 105px;
  }

  .group .group_conter .group_all {
    display: flex;
    justify-content: center;
    margin: 0px !important;
  }

  .group .group_conter .group_all .all_img {
    margin-bottom: 10px;
    width: 90%;
  }

  .group .group_conter .group_all .all_img .img {
    height: 145 px;
  }

  .group .group_conter .group_all .all_img .all_tit {
    width: 100%;
    height: 35px;
    line-height: 35px;
    font-size: 14px;
  }

  .group .group_conter .pages {
    height: 50px;
  }

  .group .group_conter .pages .page_box .prev {
    width: 50px;
    height: 30px;
    font-size: 13px;
  }

  .group .group_conter .pages .page_box .page {
    width: 30px;
    height: 30px;
  }

  .group .group_conter .pages .page_box .next {
    width: 50px;
    height: 30px;
    font-size: 13px;
  }
}