.product_breadcrumbs {
  background-color: var(--bg);
  padding: 1.3rem 0 0.9rem;
}
.product_breadcrumbs .content {
  max-width: 184rem;
  width: calc(100% - 6rem);
  padding: 0;
}
.product_breadcrumbs .breadcrumbs span {
  font-size: 1.3rem;
  color: #1a3a5c;
}
.product_breadcrumbs .breadcrumbs span span::before {
  content: '›';
  color: #d1d5db;
  margin: 0 1.2rem 0 0.7rem;
}
.product_breadcrumbs .breadcrumbs span a {
  font-weight: 400;
  color: #6b7280;
}
.product_breadcrumbs .breadcrumbs span a:hover {
  color: var(--primary);
}
.product_show {
  padding: 7.3rem 0 16.3rem;
}
.product_show .swiper_box {
  width: 44.6969697%;
  margin-top: 0.7rem;
  position: sticky;
  top: 12rem;
}
.product_show .swiper_box > div {
  position: static;
}
.product_show .swiper_box + .head {
  max-width: 66.5rem;
}
.product_show .product_show_gallery_swiper {
  overflow: hidden;
  background-color: var(--bg);
  border: 1px solid var(--border);
}
.product_show .product_show_gallery_swiper .img {
  display: block;
  padding-bottom: 84.86394558%;
}
.product_show .product_show_gallery_swiper .img img {
  width: 86.0544218%;
  height: 101.4028056%;
  left: 10.0340136%;
  top: -3.2064128%;
}
.product_show .product_show_thumbs_swiper {
  overflow: hidden;
  padding: 2px;
  margin: 1.5rem -2px 0;
}
.product_show .product_show_thumbs_swiper .swiper-slide {
  position: relative;
  max-width: 8.1rem;
  border: 1px solid var(--border);
  background-color: var(--bg);
  cursor: pointer;
}
.product_show .product_show_thumbs_swiper .swiper-slide::after {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  content: '';
  width: calc(100% - 2px);
  height: calc(100% - 2px);
  border: 2px solid var(--tertiary);
  transition: all 0.3s;
  opacity: 0;
  pointer-events: none;
}
.product_show .product_show_thumbs_swiper .swiper-slide-thumb-active::after {
  opacity: 1;
}
.product_show .product_show_thumbs_swiper .img {
  padding-bottom: 100%;
  overflow: hidden;
}
.product_show .product_show_thumbs_swiper .img img {
  width: 108.8607595%;
  height: 108.8607595%;
  left: -2.5316456%;
  top: -6.3291139%;
}
.product_show .head {
  flex: 1;
  width: 100%;
}
.product_show .head h1 {
  font-size: 3.6rem;
  line-height: 1.22222222;
  font-weight: 600;
  padding-top: 1px;
  text-transform: uppercase;
  letter-spacing: unset;
}
.product_show .head p {
  margin-top: 2.7rem;
}
.product_show .spec {
  font-size: 1.44rem;
  color: #9ca3af;
  margin-top: 4.4rem;
}
.product_show .spec li {
  display: inline-block;
}
.product_show .spec li::before {
  content: ' | ';
  margin: 0 1.5rem 0 1.4rem;
}
.product_show .spec li:first-child::before {
  display: none;
}
.product_show .spec strong {
  font-weight: 700;
  color: #1a2b3d;
  margin-right: 0.4rem;
}
.product_show .feature {
  margin-top: 2.1rem;
}
.product_show .feature ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.1rem 1.7rem;
}
.product_show .feature li {
  background-color: var(--bg);
  border-left: 0.3rem solid var(--tertiary);
  padding: 1.8rem 2.6rem 1.4rem;
}
.product_show .feature p {
  font-size: 1.4rem;
  line-height: normal;
  text-transform: uppercase;
  margin: 0;
}
.product_show .feature strong {
  display: block;
  font-size: 2.2rem;
  font-weight: 500;
  margin-top: 0.7rem;
}
.product_show .detail {
  font-weight: 500;
  color: #1a2b3d;
  margin-top: 3.7rem;
}
.product_show .detail li + li {
  margin-top: 1.15625em;
}
.product_show .detail li {
  position: relative;
  padding-left: 2.1875em;
}
.product_show .detail li::before {
  position: absolute;
  width: 1.0625em;
  height: 1.0625em;
  left: 0;
  top: 0.125em;
  content: '';
  background: url("../img/gou-b.svg") no-repeat center / contain;
}
.product_show .btns {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 4.9rem;
}
.product_advantages {
  background-color: var(--bg);
  border: 1px solid var(--border);
  padding: 15.5rem 0 14.1rem;
}
.product_advantages p {
  max-width: 67.2rem;
  margin-top: 2.4rem;
}
.product_advantages .advantage_swiper {
  margin-top: 3.1rem;
}
.product_intro {
  padding: 14.4rem 0 7.4rem;
}
.product_intro h2 {
  font-size: 1px;
  width: 1px;
  height: 1px;
  white-space: nowrap;
  overflow: hidden;
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.product_intro .nav {
  border-bottom: 2px solid #e5e7eb;
}
.product_intro .nav .nav_list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 2.23484848%;
}
.product_intro .nav .nav_item {
  cursor: pointer;
  text-align: center;
  transition: all 0.3s;
  font-size: 1.8rem;
  font-weight: 600;
  color: #6b7280;
  text-transform: uppercase;
  border-bottom: 0.3rem solid transparent;
  padding: 1.4rem 1rem;
  margin-bottom: -2px;
  min-width: 13.4rem;
}
.product_intro .nav .nav_item.active,
.product_intro .nav .nav_item:hover {
  border-bottom-color: var(--tertiary);
  color: var(--tertiary);
}
.product_intro .main {
  margin-top: 5rem;
}
.product_intro .main .box {
  display: none;
}
.product_intro .main .box.active {
  display: block;
}
.product_intro .intro {
  flex: 1;
  width: 100%;
  max-width: 66.5rem;
}
.product_intro .intro > *:first-child {
  margin-top: 0;
}
.product_intro .intro > *:last-child {
  margin-bottom: 0;
}
.product_intro .intro h3 {
  font-size: 2.6rem;
  font-weight: 600;
  margin: 3.4rem 0 1.8rem;
}
.product_intro .intro p {
  line-height: 2.4rem;
  color: var(--text);
  margin: 1rem 0;
}
.product_intro .intro p + p {
  margin-top: 2.4rem;
}
.product_intro .intro ul {
  font-weight: 500;
  color: #1a2b3d;
  margin: 1.2rem 0 2.1rem;
}
.product_intro .intro ul li + li {
  margin-top: 1.15625em;
}
.product_intro .intro ul li {
  position: relative;
  padding-left: 2.1875em;
}
.product_intro .intro ul li::before {
  position: absolute;
  width: 1.0625em;
  height: 1.0625em;
  left: 0;
  top: 0.125em;
  content: '';
  background: url("../img/gou-b.svg") no-repeat center / contain;
}
.product_intro .img {
  width: 40.90909091%;
  --h: 75%;
  margin-top: 0.4rem;
}
.page_products {
  padding-top: 7.4rem;
  padding-bottom: 16.4rem;
}
@media screen and (max-width: 768px) {
  .product_breadcrumbs {
    padding: 10px 0;
  }
  .product_breadcrumbs .content {
    width: 100%;
    padding: 0 20px;
  }
  .product_breadcrumbs .breadcrumbs {
    min-height: 20px;
  }
  .product_breadcrumbs .breadcrumbs span {
    font-size: 13px;
  }
  .product_breadcrumbs .breadcrumbs span span::before {
    margin: 0 8px;
  }
  .product_show {
    padding: 30px 0 50px;
  }
  .product_show .product_show_thumbs_swiper {
    margin-top: 12px;
  }
  .product_show .product_show_thumbs_swiper .swiper-slide {
    max-width: 50px;
  }
  .product_show .head h1 {
    font-size: 25px;
    line-height: 1.3;
    padding: 0;
  }
  .product_show .head p {
    margin-top: 12px;
  }
  .product_show .spec {
    margin-top: 30px;
    font-size: 14px;
    line-height: 1.5;
  }
  .product_show .spec li::before {
    margin: 0 10px;
  }
  .product_show .spec strong {
    margin-right: 5px;
  }
  .product_show .feature {
    margin-top: 16px;
  }
  .product_show .feature ul {
    gap: 14px;
  }
  .product_show .feature li {
    padding: 14px;
    border-left-width: 2px;
  }
  .product_show .feature p {
    font-size: 13px;
    margin: 0;
  }
  .product_show .feature strong {
    font-size: 16px;
    margin-top: 5px;
  }
  .product_show .detail {
    margin-top: 16px;
  }
  .product_show .detail li + li {
    margin-top: 10px;
  }
  .product_show .btns {
    margin-top: 20px;
  }
  .product_advantages {
    padding: 50px 0;
    overflow: hidden;
  }
  .product_advantages .swiper_content {
    overflow: unset;
    padding: 0 20px;
  }
  .product_advantages .advantage_swiper {
    margin-top: 30px;
  }
  .product_intro {
    padding: 30px 0 50px;
  }
  .product_intro .nav .nav_list {
    width: calc(100% + 40px);
    margin: 0 -20px -2px;
    padding: 0 20px;
    overflow-x: auto;
    flex-wrap: nowrap;
    gap: 20px;
  }
  .product_intro .nav .nav_list::-webkit-scrollbar {
    display: none;
  }
  .product_intro .nav .nav_item {
    font-size: 14px;
    padding: 10px 12px;
    white-space: nowrap;
    min-width: unset;
    margin-bottom: 0;
  }
  .product_intro .main {
    margin-top: 30px;
  }
  .product_intro .intro h3 {
    font-size: 18px;
    margin: 20px 0 10px;
  }
  .product_intro .intro p {
    line-height: 1.5;
    margin: 10px 0;
  }
  .product_intro .intro p + p {
    margin-top: 10px;
  }
  .product_intro .intro ul {
    margin: 12px 0;
  }
  .product_intro .intro ul li + li {
    margin-top: 10px;
  }
  .product_intro .img {
    margin: 0;
  }
  .page_products {
    padding: 50px 0;
  }
}
@media screen and (max-width: 576px) {
  .product_show .swiper_box {
    width: 100%;
    position: static;
  }
  .product_show .btns {
    display: grid;
  }
  .product_intro .img {
    width: 100%;
    order: -1;
  }
}