.page_breadcrumbs {
  padding-top: 2.7rem;
}
.product_show {
  padding: 8.9rem 0 17.1rem;
}
.product_show .flex {
  gap: 3rem 2.09513024%;
}
.product_show .swiper_box {
  width: 38.2785957%;
  margin-left: auto;
  position: sticky;
  top: 12rem;
}
.product_show .swiper_box > div {
  position: static;
}
.product_show .swiper_box + .head {
  max-width: 89.2rem;
}
.product_show .head {
  flex: 1;
  width: 100%;
  padding-top: 1.85%;
}
.product_show .product_show_gallery_swiper {
  overflow: hidden;
  background-color: #ececec;
  border: 1px solid #f8f8f8;
}
.product_show .product_show_gallery_swiper .img {
  display: block;
  padding-bottom: 91.12426036%;
}
.product_show .product_show_gallery_swiper .img:hover img {
  transform: scale(1.02);
}
.product_show .product_show_thumbs_swiper {
  overflow: hidden;
  margin-top: 1.1rem;
}
.product_show .product_show_thumbs_swiper .swiper-slide {
  background-color: #ececec;
  border: 1px solid #f8f8f8;
  cursor: pointer;
  max-width: 130px;
}
.product_show .product_show_thumbs_swiper .img {
  display: block;
  padding-bottom: 100%;
}
.product_show .product_show_thumbs_swiper .img:hover img {
  transform: scale(1.1);
}
.product_show .intro .cat {
  font-size: 1.8rem;
  font-weight: 700;
  color: #000;
  margin-bottom: 1.8rem;
}
.product_show .intro .cat strong {
  color: #e71b2b;
}
.product_show .intro p {
  line-height: 2.4rem;
  font-weight: 700;
  max-width: 57.7rem;
  margin-top: 0.65rem;
}
.product_show .desc {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 4.2rem;
}
.product_show .desc strong {
  font-weight: 700;
  color: #ed352f;
  display: block;
  font-size: 1.6rem;
}
.product_show .desc .lt {
  flex: 1;
  width: 100%;
  max-width: 53.5rem;
  font-size: 1.8rem;
  line-height: 2.4rem;
  margin-top: 1.3rem;
}
.product_show .desc .lt p {
  max-width: 41.3rem;
  hyphens: auto;
  margin-top: 1px;
}
.product_show .desc .lt ul {
  font-weight: 700;
  margin-top: 4.9rem;
}
.product_show .desc .lt ul li + li {
  margin-top: 0.6rem;
}
.product_show .desc .lt ul li {
  position: relative;
  padding-left: 2.3rem;
}
.product_show .desc .lt ul li::before {
  position: absolute;
  width: 1.4rem;
  height: 1.4rem;
  content: '';
  background: url("../img/gou-c.png") no-repeat center / contain;
  left: 0;
  top: 0.5rem;
}
.product_show .desc .rt {
  border-radius: 0.9rem;
  border: 1px solid #acacac;
  width: 36.09865471%;
  padding: 2.2rem 2.5rem 2.6rem;
}
.product_show .desc .rt ul {
  font-size: 1.4rem;
  font-weight: 700;
  hyphens: auto;
  margin-top: 1.7rem;
}
.product_show .desc .rt ul li + li {
  margin-top: 1.4rem;
}
.product_show .desc .rt ul li {
  position: relative;
  padding-left: 1.8rem;
}
.product_show .desc .rt ul li::before {
  position: absolute;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background-color: #000;
  content: '';
  left: 0;
  top: 0.6rem;
}
.product_show .btns {
  display: flex;
  flex-wrap: wrap;
  gap: 1.3rem;
  margin-top: 5.6rem;
}
.product_show .btn {
  min-width: 19rem;
  font-size: 1.8rem;
  padding: 0 2.25rem;
}
.product_show .share {
  margin-top: 2.6rem;
}
.product_nav {
  background-color: #f6f7fa;
}
.product_nav .nav .nav_list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem 7.87%;
}
.product_nav .nav .nav_list li:last-child {
  margin-right: 13.8%;
}
.product_nav .nav .nav_item {
  position: relative;
  display: flex;
  align-items: center;
  text-align: center;
  justify-content: center;
  cursor: pointer;
  font-size: 2.4rem;
  font-weight: 700;
  transition: all 0.3s;
  padding: 2.5rem 0 2.3rem;
}
.product_nav .nav .nav_item::after {
  position: absolute;
  width: 90%;
  max-width: 9rem;
  height: 0.3rem;
  left: 50%;
  bottom: -2px;
  transform: translateX(-50%) scaleX(0);
  content: '';
  background-color: var(--primary);
  transition: all 0.3s;
}
.product_nav .nav .nav_item.active::after,
.product_nav .nav .nav_item:hover::after {
  transform: translateX(-50%);
}
.product_features {
  padding: 11.2rem 0 5.65rem;
}
.product_features .intro {
  max-width: 116.8rem;
  margin: 0 auto;
  font-size: 1.8rem;
  line-height: 3rem;
}
.product_features .intro > *:first-child {
  margin-top: 0;
}
.product_features .intro > *:last-child {
  margin-bottom: 0;
}
.product_features .intro h3,
.product_features .intro h2 {
  font-size: 3.6rem;
  line-height: normal;
  font-weight: 700;
  color: var(--title);
  margin: 12.1rem 0 4.2rem;
  padding-left: 1rem;
}
.product_features .intro h3 {
  margin-bottom: 2.3rem;
}
.product_features .intro p {
  margin: 2rem 0;
  padding-left: 1rem;
}
.product_features table {
  margin: 10.5rem 0 5rem;
}
.product_features table thead tr {
  background-image: linear-gradient(to right, var(--primary) -50%, var(--secondary) 65%);
}
.product_features table tbody tr:nth-child(even) {
  background-color: #f1f1f3;
}
.product_features table th,
.product_features table td {
  padding: 1.1rem 4.4rem 1.5rem;
}
.product_features table th:first-child,
.product_features table td:first-child {
  width: 35%;
}
.product_features table th {
  color: #fff;
  font-size: 2.4rem;
  font-weight: 700;
  line-height: normal;
  text-align: left;
}
.product_features table td {
  color: #666666;
  font-weight: 700;
  padding-top: 1.4rem;
  padding-bottom: 1.53rem;
}
.product_features table td:first-child {
  color: var(--title);
}
.product_working {
  padding: 5.65rem 0 5.75rem;
}
.product_working .head h2 {
  font-size: 4.8rem;
  line-height: 1.25;
  max-width: 95.5rem;
  margin: 0 auto;
}
.product_working p {
  font-size: 1.8rem;
  line-height: 2.4rem;
  font-weight: 700;
  max-width: 99.7rem;
  margin: 1.2rem auto 0;
}
.product_working .process_img {
  max-width: 135.1rem;
  height: auto;
  margin: 3.6rem auto 0;
}
.product_working .video {
  max-width: 136.3rem;
  margin: 2.4rem auto 0;
  cursor: pointer;
}
.product_working .video::after {
  display: block;
  padding-bottom: 46.14820249%;
  content: '';
}
.product_working .video .btn_play {
  width: 8.9rem;
  height: 8.9rem;
  background-image: url("../img/play-w.png");
  top: 55.2%;
}
.product_components {
  padding: 5.75rem 0 8.55rem;
}
.product_components .head h2 {
  font-size: 4.8rem;
  line-height: 1.25;
  max-width: 95.5rem;
  margin: 0 auto;
}
.product_components .head p {
  font-weight: 700;
  max-width: 71.5rem;
  margin-left: auto;
  margin-right: auto;
}
.product_components p {
  font-size: 1.8rem;
  line-height: 2.4rem;
  margin-top: 1.1rem;
}
.product_components .items {
  margin-top: 8rem;
}
.product_components .items li + li {
  margin-top: 3.8rem;
}
.product_components .img {
  width: 44.85714286%;
  --h: 49.04458599%;
  margin-left: 1.71428571%;
  border-radius: 1rem;
}
.product_components .img.lar {
  --h: 60.1910828%;
}
.product_components .img:hover img {
  transform: scale(1.02);
}
.product_components .img + .info {
  max-width: 67rem;
}
.product_components .info {
  flex: 1;
  width: 100%;
}
.product_components .info h3 {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--title);
}
.product_components .info p {
  font-size: 1.8rem;
  line-height: 3rem;
  margin-top: 1rem;
}
.product_components .info p + p {
  margin-top: 3rem;
}
.product_projects {
  padding: 8.55rem 0 5.25rem;
}
.product_projects p {
  font-size: 1.8rem;
  line-height: 2.4rem;
  font-weight: 700;
  max-width: 71.5rem;
  margin: 1.9rem auto 0;
}
.product_projects .product_projects_swiper {
  overflow: hidden;
  max-width: 135.8rem;
  margin: 3.7rem auto 0;
}
.product_projects .product_projects_swiper .swiper-slide {
  max-width: 440px;
}
.product_projects .item {
  display: block;
  height: 100%;
}
.product_projects .item .img {
  padding-bottom: 86.7881549%;
}
.product_projects .item .title {
  text-align: center;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--title);
  margin-top: 4.2rem;
}
.page_contact {
  padding-top: 5.25rem;
  padding-bottom: 7.15rem;
}
.page_contact p {
  font-size: 1.6rem;
  line-height: 2.4rem;
  max-width: 93.3rem;
  margin-top: 1.5rem;
}
.page_contact .grid {
  margin-top: 5.1rem;
}
.product_related {
  padding: 7.15rem 0 15.5rem;
}
.product_related .head h2 {
  font-size: 4.8rem;
}
.product_related .product_related_swiper {
  overflow: hidden;
  max-width: 175.6rem;
  margin: 5.5rem auto 0;
}
.product_related .product_related_swiper .swiper-slide {
  max-width: 573px;
}
.product_related .product_related_swiper .img {
  padding-bottom: 67.83216783%;
}
@media screen and (min-width: 769px) and (max-width: 1024px) {
  .product_show .desc .rt {
    width: 45%;
  }
}
@media screen and (min-width: 769px) and (max-width: 896px) {
  .product_features .head h2,
  .product_working .head h2,
  .product_components .head h2,
  .product_related .head h2 {
    font-size: 4rem;
  }
}
@media screen and (max-width: 768px) {
  .page_breadcrumbs {
    padding-top: 12px;
  }
  .product_show {
    padding: 30px 0 50px;
  }
  .product_show .flex {
    gap: 30px 20px;
  }
  .product_show .swiper_box {
    width: 48%;
  }
  .product_show .product_show_thumbs_swiper {
    margin-top: 10px;
  }
  .product_show .product_show_thumbs_swiper .swiper-slide {
    max-width: 82px;
  }
  .product_show .head {
    padding: 0;
  }
  .product_show .intro .cat {
    font-size: 14px;
    margin-bottom: 8px;
  }
  .product_show .intro p {
    line-height: 1.5;
    margin-top: 10px;
  }
  .product_show .desc {
    display: block;
    margin-top: 20px;
  }
  .product_show .desc strong {
    font-size: 16px;
  }
  .product_show .desc .lt {
    font-size: 14px;
    line-height: 1.5;
    margin-top: 0;
  }
  .product_show .desc .lt p {
    margin-top: 5px;
  }
  .product_show .desc .lt ul {
    margin-top: 5px;
  }
  .product_show .desc .lt ul li + li {
    margin-top: 5px;
  }
  .product_show .desc .lt ul li {
    padding-left: 20px;
  }
  .product_show .desc .lt ul li::before {
    width: 12px;
    height: 12px;
    top: 5px;
  }
  .product_show .desc .rt {
    width: 100%;
    padding: 14px;
    margin-top: 20px;
  }
  .product_show .desc .rt ul {
    font-size: 14px;
    margin-top: 12px;
  }
  .product_show .desc .rt ul li + li {
    margin-top: 5px;
  }
  .product_show .desc .rt ul li {
    padding-left: 16px;
  }
  .product_show .desc .rt ul li::before {
    width: 5px;
    height: 5px;
    top: 8px;
  }
  .product_show .btns {
    margin-top: 20px;
    gap: 10px;
  }
  .product_show .btns .btn {
    margin: 0;
  }
  .product_show .share {
    margin-top: 20px;
  }
  .product_nav .nav .nav_list {
    width: calc(100% + 40px);
    margin: 0 -20px 0;
    padding: 0 20px;
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: unset;
    gap: 20px;
  }
  .product_nav .nav .nav_list::-webkit-scrollbar {
    display: none;
  }
  .product_nav .nav .nav_list li:first-child {
    margin-left: auto;
  }
  .product_nav .nav .nav_list li:last-child {
    margin-right: auto;
  }
  .product_nav .nav .nav_item {
    font-size: 14px;
    padding: 20px 0 22px;
    white-space: nowrap;
  }
  .product_nav .nav .nav_item::after {
    height: 2px;
    bottom: 0;
  }
  .product_features {
    padding: 50px 0;
  }
  .product_features .intro {
    font-size: 14px;
    line-height: 1.5;
  }
  .product_features .intro h2 {
    font-size: 22px;
    margin: 22px 0 14px;
    padding: 0;
  }
  .product_features .intro h3 {
    font-size: 18px;
    margin: 22px 0 14px;
    padding: 0;
  }
  .product_features .intro p {
    margin: 10px 0;
    padding: 0;
  }
  .product_features table {
    margin: 30px 0;
  }
  .product_features table th,
  .product_features table td {
    padding: 14px;
  }
  .product_features table th {
    font-size: 15px;
  }
  .product_working {
    padding: 50px 0;
  }
  .product_working .head h2 {
    font-size: 22px;
    line-height: 1.3;
  }
  .product_working .process_img {
    margin-top: 30px;
  }
  .product_working .video {
    margin-top: 20px;
  }
  .product_working .video .btn_play {
    width: 40px;
    height: 40px;
  }
  .product_components {
    padding: 50px 0;
  }
  .product_components .head h2 {
    font-size: 22px;
    line-height: 1.3;
  }
  .product_components .items {
    margin-top: 30px;
  }
  .product_components .items li + li {
    margin-top: 30px;
  }
  .product_components .img {
    margin-left: 0;
  }
  .product_components .info h3 {
    font-size: 18px;
  }
  .product_components .info p {
    font-size: 14px;
    line-height: 1.5;
    margin-top: 10px;
  }
  .product_components .info p + p {
    margin-top: 10px;
  }
  .product_projects {
    padding: 50px 0;
    overflow: hidden;
  }
  .product_projects .product_projects_swiper {
    overflow: unset;
    margin-top: 30px;
  }
  .product_projects .product_projects_swiper .swiper-slide {
    max-width: 235px;
  }
  .product_projects .item .title {
    font-size: 16px;
    margin-top: 20px;
  }
  .page_contact {
    padding: 50px 0;
  }
  .page_contact .grid {
    margin-top: 30px;
  }
  .product_related {
    padding: 50px 0;
    overflow: hidden;
  }
  .product_related .head h2 {
    font-size: 22px;
  }
  .product_related .product_related_swiper {
    overflow: unset;
    margin-top: 30px;
  }
  .product_related .product_related_swiper .swiper-slide {
    max-width: 280px;
  }
  .product_related .swiper_btns.middle {
    display: none;
  }
}
@media screen and (max-width: 576px) {
  .product_show .swiper_box {
    width: 100%;
    position: static;
  }
  .product_show .btns {
    display: grid;
  }
  .product_show .share {
    justify-content: space-between;
  }
  .product_components .img {
    width: 100%;
  }
}