.product_show {
  border-top: 1px solid #efefef;
  padding: 2.4rem 0 7.6rem;
}
.product_show .breadcrumbs {
  line-height: 1.2;
  min-height: 2rem;
}
.product_show .breadcrumbs span {
  font-size: 1.4rem;
  font-weight: 600;
}
.product_show .breadcrumbs span span::before {
  display: inline-block;
  width: 1px;
  height: 1em;
  background-color: #545a60;
  opacity: 0.54;
  transform: rotate(23deg);
  content: '';
  margin: 0 1.1429em 0 0.857143em;
}
.product_show .breadcrumbs span span:first-child::before {
  display: none;
}
.product_show .breadcrumbs span a {
  font-weight: 500;
  color: #545a60;
  transition: all 0.3s;
  text-decoration: underline transparent;
}
.product_show .breadcrumbs span a:hover {
  color: var(--primary);
  text-decoration-color: var(--primary);
}
.product_show .flex {
  margin-top: 2.4rem;
}
.product_show .swiper_box {
  width: 50.625%;
  position: sticky;
  top: 134px;
}
.product_show .swiper_box > div {
  position: static;
}
.product_show .swiper_box + .head {
  max-width: 62rem;
}
.product_show .product_show_gallery_swiper {
  overflow: hidden;
  border-radius: 2.9rem;
  background-color: rgba(228, 234, 239, 0.47);
}
.product_show .product_show_gallery_swiper .img {
  display: block;
  padding-bottom: 83.53909465%;
}
.product_show .product_show_gallery_swiper .img.img_ct {
  display: flex;
  justify-content: center;
}
.product_show .product_show_gallery_swiper .img.img_ct img {
  width: 93.82716049%;
  left: unset;
}
.product_show .product_show_thumbs_swiper {
  overflow: hidden;
  --rd: 1.7rem;
  border-radius: var(--rd);
  padding: 1px;
  margin-top: 1.8rem;
}
.product_show .product_show_thumbs_swiper .swiper-slide {
  position: relative;
  border-radius: var(--rd);
  cursor: pointer;
  width: 20%;
  max-width: 10.9rem;
}
.product_show .product_show_thumbs_swiper .swiper-slide::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  margin: -1px;
  content: '';
  border-radius: var(--rd);
  border: 2px solid var(--primary);
  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 {
  background-color: rgba(228, 234, 239, 0.47);
  padding-bottom: 83.53909465%;
  border-radius: var(--rd);
  overflow: hidden;
}
.product_show .product_show_thumbs_swiper .img.img_ct {
  display: flex;
  justify-content: center;
}
.product_show .product_show_thumbs_swiper .img.img_ct img {
  width: 93.82716049%;
  left: unset;
}
.product_show .head {
  flex: 1;
  width: 100%;
  padding-top: 1.5%;
}
.product_show .tcon h1 {
  font-size: 4rem;
  color: var(--title);
  letter-spacing: 0.03em;
}
.product_show .tcon strong {
  display: block;
  font-size: 2rem;
  font-weight: 500;
  color: var(--primary);
  margin-top: 2.6rem;
}
.product_show .tcon p {
  max-width: 55.2rem;
  margin-top: 1.5rem;
}
.product_show .tcon ul {
  font-size: 1.8rem;
  color: var(--text);
  margin-top: 2.2rem;
}
.product_show .tcon ul li {
  position: relative;
  border-bottom: 1px solid #e8eaee;
  padding: 0.6667em 1.5556em;
}
.product_show .tcon ul li::before {
  position: absolute;
  width: 0.4445em;
  height: 0.4445em;
  left: 0;
  top: 0.9445em;
  content: "";
  border-radius: 50%;
  border: 0.112em solid var(--primary);
}
.product_show .specifications {
  margin-top: 3.2rem;
}
.product_show .specifications strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 600;
}
.product_show .specifications ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.3rem;
  margin-top: 1.2rem;
}
.product_show .specifications ul li {
  position: relative;
  display: block;
  cursor: pointer;
  --rd: 1.2rem;
  border-radius: var(--rd);
  border: 1px solid rgba(32, 67, 131, 0.2);
  padding: 2.2580645% 6.1290323% 1.9354839% 3.0645161%;
  min-width: 22.097%;
}
.product_show .specifications ul li.active::after {
  opacity: 1;
}
.product_show .specifications ul li.active .size {
  font-weight: 650;
  color: var(--primary);
}
.product_show .specifications ul li:hover::after {
  opacity: 1;
}
.product_show .specifications ul li::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  margin: -1.5px;
  content: '';
  border-radius: var(--rd);
  border: 2px solid var(--primary);
  transition: all 0.3s;
  opacity: 0;
  pointer-events: none;
}
.product_show .specifications ul li .size {
  font-weight: 600;
  transition: all 0.3s;
}
.product_show .specifications ul li .label {
  font-size: 1.3rem;
  font-weight: 500;
  color: #545a60;
  margin-top: 0.4rem;
}
.product_show .btns {
  display: flex;
  flex-wrap: wrap;
  gap: 2.4rem;
  margin-top: 3.6rem;
}
.product_show .ad_lis {
  margin-top: 5.5rem;
}
.product_show .ad_lis ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(15rem, 100%), 1fr));
  gap: 2rem 0.9rem;
}
.product_show .ad_lis li {
  position: relative;
  padding-left: 2.125em;
}
.product_show .ad_lis li::before {
  position: absolute;
  width: 1.375em;
  height: 1.375em;
  left: 0;
  top: 0.125em;
  content: '';
  background: url("../img/gou-cir.svg") no-repeat center / contain;
}
.product_show .ad_lis li strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.product_show .ad_lis li p {
  font-size: 1.5rem;
  color: #545a60;
  margin-top: 0.5rem;
}
body > div:has(.product_nav) {
  position: sticky;
  top: 0;
  z-index: 99;
  transition: top 0.3s;
}
body > div:has(.product_nav.opt) {
  top: 114px;
}
.product_nav {
  position: sticky;
  top: 0;
  z-index: 99;
  padding: 1rem 0;
  transition: top 0.3s;
}
.product_nav.opt {
  top: 114px;
}
.product_nav .nav .nav_item {
  transition: all .3s;
}
.section_products {
  padding-bottom: 14.8rem;
}
@media screen and (max-width: 768px) {
  .product_show {
    padding: 20px 0 50px;
  }
  .product_show .breadcrumbs {
    line-height: 1.5;
  }
  .product_show .breadcrumbs span {
    font-size: 14px;
  }
  .product_show .flex {
    margin-top: 30px;
  }
  .product_show .product_show_gallery_swiper {
    border-radius: 10px;
  }
  .product_show .product_show_thumbs_swiper {
    --rd: 10px;
    margin-top: 14px;
  }
  .product_show .product_show_thumbs_swiper .swiper-slide {
    width: 70px;
    max-width: 70px;
  }
  .product_show .head {
    padding: 0;
  }
  .product_show .tcon h1 {
    font-size: 30px;
  }
  .product_show .tcon strong {
    font-size: 18px;
    margin-top: 12px;
  }
  .product_show .tcon p {
    margin-top: 12px;
  }
  .product_show .tcon ul {
    margin-top: 10px;
    font-size: 14px;
  }
  .product_show .specifications {
    margin-top: 20px;
  }
  .product_show .specifications strong {
    font-size: 16px;
  }
  .product_show .specifications ul {
    margin-top: 10px;
    gap: 10px;
  }
  .product_show .specifications ul li {
    --rd: 10px;
    padding: 12px;
  }
  .product_show .specifications ul li .label {
    font-size: 12px;
    margin-top: 3px;
  }
  .product_show .ad_lis {
    margin-top: 20px;
  }
  .product_show .ad_lis ul {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .product_show .ad_lis li strong {
    font-size: 16px;
  }
  .product_show .ad_lis li p {
    font-size: 14px;
    margin-top: 2px;
  }
  body > div:has(.product_nav.opt) {
    top: 93px;
  }
  .product_nav {
    padding: 10px 0;
  }
  .product_nav.opt {
    top: 93px;
  }
  .section_products {
    padding-bottom: 50px;
  }
}
@media screen and (max-width: 576px) {
  .product_show .swiper_box {
    width: 100%;
    position: static;
  }
}