.page_about_us {
  background: #f9f9f9;
  padding: 7.625% 0 6.14%;
}

.page_about_us>div {
  overflow: hidden;
}

.page_about_us .left {
  width: 40%;
  float: left;
}

.page_about_us .left .tit_top {
  font-weight: 500;
  font-size: 20px;
  color: #000000;
  line-height: 47px;
}

.page_about_us .left .title {
  margin: 30px 0 37px;
}

.page_about_us .left .title div {
  font-weight: 500;
  font-size: 41px;
  line-height: 47px;
  color: #000000;
}

.page_about_us .left .title div.active {
  color: var(--color-main);
  float: left;
  display: flex;
}

.page_about_us .left .title div.active::after {
  content: "";
  display: block;
  width: 10px;
}

.page_about_us .left .tit_bot {
  font-weight: 400;
  font-size: 16px;
  color: #000000;
  line-height: 24px;
}

.page_about_us .left .desc {
  font-weight: 400;
  font-size: 16px;
  color: #000000;
  line-height: 24px;
  margin-top: 26px;
  padding-top: 40px;
  border-top: 2px solid var(--color-main);
}

.page_about_us .right {
  width: calc(60% - 36px);
  float: right;
  position: relative;
}

.page_about_us .right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page_about_us .right .point {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  position: absolute;
  background: var(--color-shadow);
  left: 35.3%;
  top: 50%;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.page_about_us .right .point::after {
  content: "";
  display: block;
  border-radius: 50%;
  width: 12px;
  height: 12px;
  background: var(--color-main);
  position: absolute;
  left: 3px;
  top: 3px;
  transition: all 0.3s ease;
}

.page_about_us .right .point:hover {
  animation: pointPulse 1.5s ease-in-out infinite;
}

.page_about_us .right .point:hover::after {
  animation: innerPulse 1.5s ease-in-out infinite;
}

@keyframes pointPulse {

  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.2);
  }

  50% {
    transform: scale(1.2);
    box-shadow: 0 0 0 5px rgba(0, 0, 0, 0.1);
  }
}

@keyframes innerPulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.3);
    opacity: 0.8;
  }
}

.page_about_us .right>ul {
  position: absolute;
  top: 110px;
  left: 0;
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0 30px 0 56px;
}

.page_about_us .right>ul li {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page_about_us .right>ul li:nth-child(2) {
  flex: 1;
  margin-left: 60px;
  align-items: flex-start;
}

.page_about_us .right>ul li span {
  line-height: 1;
}

.page_about_us .right>ul li span:first-child {
  color: var(--color-main);
  font-size: 40px;
  margin-bottom: 10px;
}

.out_focus {
  padding: 87px 0 133px;
  --w: 566px;
}

.out_focus>div>.title {
  font-weight: 400;
  color: #000000;
  line-height: 1;
  margin: auto;
}

.out_focus>div>.desc {
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  margin: 45px auto 84px;
  line-height: 2;
}

.out_focus>div .list {
  justify-content: space-evenly;
  flex-wrap: wrap;
  align-items: flex-start;
}

.out_focus>div .list .item {
  width: 26%;
}

.out_focus>div .list .item .img {
  width: 78px;
  height: 78px;
}

.out_focus>div .list .item .desc {
  margin-top: 22px;
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  line-height: 24px;
}

.certificate {
  background: #f9f9f9;
  padding: 114px 0 130px;
  position: relative;
}

.certificate>.img {
  width: 49.85%;
  height: 580px;
  padding: 0;
}

.certificate .detail {
  width: 53.2%;
  width: 1020px;
  position: absolute;
  right: 0;
  top: 125px;
  background: #ffffff;
  padding: 40px 14.16% 62px 90px;
}

.certificate .detail .tit_top {
  font-weight: 400;
  font-size: 16px;
  color: #000000;
  line-height: 1;
}

.certificate .detail .title {
  font-weight: 400;
  color: #000000;
  line-height: 1.3;
  margin: 20px 0 16px;
}

.certificate .detail .desc {
  font-weight: 400;
  font-size: 16px;
  color: #000000;
  margin-bottom: 26px;
  line-height: 1.6;
}

.certificate .detail .img_list_par {
  position: relative;
}

.certificate .detail .img_list_par .img_list .swiper-slide .img {
  height: 244px;
  padding: 0;
}

.certificate .detail .img_list_par .swiper-button-next,
.certificate .detail .img_list_par .swiper-button-prev {
  width: 16px;
  height: 26px;
  top: 50%;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.certificate .detail .img_list_par .swiper-button-prev {
  background-image: url(../images/aboutus/left.png);
  left: -30px;
}

.certificate .detail .img_list_par .swiper-button-next {
  background-image: url(../images/aboutus/right.png);
  right: -30px;
}

@media screen and (max-width: 1450px) {

  .page_about_us .left,
  .page_about_us .right {
    width: 100%;
    float: unset;
  }

  .page_about_us .left {
    margin-bottom: 20px;
  }

  .page_about_us .left .title div {
    font-size: 30px;
  }
}

@media screen and (max-width: 1400px) {
  .certificate {
    overflow: hidden;
    padding: 0;
    margin-bottom: 5%;
  }

  .certificate::after {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    position: absolute;
    left: 0;
    top: 0;
  }

  .certificate>.img {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
  }

  .certificate .detail {
    z-index: 2;
    position: relative;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    background: unset;
    padding: 70px 6%;
  }

  .certificate .detail .img_list_par .img_list .swiper-slide .img {
    height: 0;
    padding-bottom: 140%;
  }
}

@media screen and (max-width: 1366px) {
  .out_focus {
    padding: 47px 0 63px;
  }

  .out_focus>div>.desc {
    margin: 25px auto 44px;
  }

  .out_focus>div .list .item {
    width: 30%;
  }
}

@media screen and (max-width: 1024px) {
  .certificate .detail {
    padding: 40px 90px 62px;
  }
}

@media screen and (max-width: 950px) {
  .page_about_us .left .title {
    margin: 0 0 15px;
  }

  .page_about_us .right>ul {
    top: 10%;
    padding: 0;
  }

  .page_about_us .right>ul li {
    width: 33%;
    align-items: center !important;
  }

  .page_about_us .right>ul li:nth-child(2) {
    margin: 0;
  }

  .page_about_us .right>ul li span {
    text-align: center;
  }

  .page_about_us .right>ul li span:first-child {
    font-size: 20px;
  }
}

@media screen and (max-width: 768px) {
  .page_about_us .left .title div {
    font-size: 24px;
    line-height: 1.2;
  }

  .out_focus {
    --w: 100%;
  }

  .out_focus>div .list .item {
    width: 100%;
  }

  .out_focus>div .list .item:not(:first-child) {
    margin-top: 20px;
  }

  .certificate .detail .img_list_par .img_list .swiper-slide .img {
    height: 0;
    padding-bottom: 150%;
  }

  .certificate .detail {
    padding-left: calc(var(--all-pd) + 3%);
    padding-right: calc(var(--all-pd) + 3%);
  }
}