.product_breadcrumbs {
  padding: 4.8rem 0 3rem;
}
.product_breadcrumbs .breadcrumbs span {
  color: #e71425;
}
.product_breadcrumbs .breadcrumbs span a {
  font-weight: 600;
  color: #033333;
}
.product_breadcrumbs .breadcrumbs span a:hover {
  color: var(--primary);
}
.product_show {
  padding: 3.3rem 0 4.85rem;
}
.product_show .img {
  width: 40.49323787%;
  --h: 99.80353635%;
  background-color: var(--bg);
  border: 1px solid #f8f8f8;
}
.product_show .img + .head {
  max-width: 69.1rem;
}
.product_show .head {
  flex: 1;
  width: 100%;
  color: #000;
  padding-bottom: 2px;
}
.product_show .head .subtitle {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1.6rem;
}
.product_show .head h1 {
  font-size: 4.8rem;
  line-height: 1.25;
  text-transform: unset;
  letter-spacing: 0.025rem;
}
.product_show .head ul {
  display: grid;
  grid-template-columns: 61.7% 1fr;
  margin-top: 3.3rem;
}
.product_show .head ul li {
  display: grid;
  grid-template-columns: 56% 1fr;
}
.product_show .head ul li:nth-child(4n+1),
.product_show .head ul li:nth-child(4n+2) {
  background-color: var(--bg);
}
.product_show .head ul li:nth-child(odd) span:first-child {
  padding-left: 2.2rem;
}
.product_show .head ul li:nth-child(even) {
  grid-template-columns: 35% 1fr;
}
.product_show .head ul span {
  display: block;
  font-weight: 600;
  color: #333333;
  padding: 0.8rem 0.5rem 1.4rem;
}
.product_show .btn {
  width: 100%;
  font-size: 1.759rem;
  line-height: 5.1rem;
  margin-top: 4.4rem;
}
/* .product_spec {
  padding: 4.85rem 0 6.1rem;
}
.product_spec table th,
.product_spec table td {
  line-height: 3rem;
  font-weight: 600;
  color: #333333;
  text-align: center;
  hyphens: auto;
}
.product_spec table th:nth-child(3),
.product_spec table td:nth-child(3) {
  width: 24%;
}
.product_spec table th {
  background-color: var(--bg);
  padding: 2rem 1rem 1.6rem;
}
.product_spec table td {
  border-bottom: 1px solid #ececec;
  padding: 2.6rem 1rem 2.14rem;
}
.product_spec table td span {
  background-color: rgba(204, 14, 23, 0.05);
  color: var(--primary);
  white-space: nowrap;
  display: inline-block;
  padding: 0 0.5rem 1px;
  min-width: 10.3rem;
  cursor: pointer;
} */
.product_intro {
  padding: 6.1rem 0 6.7rem;
}
.product_intro h2 {
  font-size: 1px;
  width: 1px;
  height: 1px;
  white-space: none;
  color: transparent;
  opacity: 0;
  position: absolute;
  left: 0;
  top: 0;
  pointer-events: none;
}
.product_intro .intro {
  line-height: 3rem;
  font-weight: 600;
  color: #333333;
}
.product_intro .intro > *:first-child {
  margin-top: 0;
}
.product_intro .intro > *:last-child {
  margin-bottom: 0;
}
.product_intro .intro h3 {
  position: relative;
  font-size: 2.4rem;
  color: #121212;
  font-weight: 600;
  padding-left: 1.2916667em;
  margin: 4.1rem 0 2.4rem;
}
.product_intro .intro h3::before {
  position: absolute;
  width: 0.6667em;
  height: 0.6667em;
  content: '';
  left: 0;
  top: 0.16667em;
  background-image: linear-gradient(to right, var(--primary) 56.25%, transparent 56.25%, transparent 75%, var(--primary) 75%);
}
.product_intro .intro p {
  hyphens: auto;
  margin: 1rem 0;
  letter-spacing: -0.0012rem;
}
.product_references {
  padding: 6.7rem 0 6.6rem;
}
.product_references .head h2 {
  font-size: 2.4rem;
  font-weight: 600;
  color: #121212;
}
.product_references .list {
  margin-top: 3.1rem;
}
.product_references .list li + li {
  margin-top: 2rem;
}
.product_references .list a {
  display: grid;
  grid-template-columns: 1fr 1.5rem;
  align-items: center;
  border-radius: 1rem;
  background-color: #f9fafc;
  border: 1px solid #e9eef3;
  transition: all 0.3s;
  gap: 2rem;
  padding: 2.8rem 3.4rem 1.5rem;
}
.product_references .list a:hover {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.05);
}
.product_references .list .title {
  line-height: 3rem;
  font-weight: 600;
  color: #333333;
  max-width: 110.2rem;
}
.product_references .list i {
  display: block;
  padding-bottom: 100%;
  content: '';
  background: url("../img/nav.png") no-repeat center left / contain;
  filter: contrast(0) brightness(0);
}
.product_related {
  padding: 6.6rem 0 10.3rem;
}
.product_related .product_related_swiper {
  overflow: hidden;
  margin-top: 5.8rem;
  margin-left: -0.7rem;
}
.product_related .product_related_swiper .swiper-slide {
  max-width: 364px;
}
.product_related div.swiper-pagination:not(.swiper-pagination-lock) {
  margin-top: 3rem;
}
@media screen and (min-width: 769px) and (max-width: 896px) {
  .product_show .head h1 {
    font-size: 4rem;
  }
}
@media screen and (max-width: 768px) {
  .product_breadcrumbs {
    padding: 10px 0;
  }
  .product_show {
    padding: 20px 0 50px;
  }
  .product_show .head {
    padding: 0;
  }
  .product_show .head .subtitle {
    font-size: 14px;
    margin-bottom: 8px;
  }
  .product_show .head h1 {
    font-size: 25px;
    line-height: 1.3;
    letter-spacing: unset;
  }
  .product_show .head ul {
    grid-template-columns: 1fr;
    margin-top: 20px;
  }
  .product_show .head ul li {
    display: flex;
  }
  .product_show .head ul li:nth-child(odd) {
    background-color: var(--bg);
  }
  .product_show .head ul li:nth-child(odd) span:first-child {
    padding-left: 14px;
  }
  .product_show .head ul li:nth-child(4n+2) {
    background-color: transparent;
  }
  .product_show .head ul li span {
    flex: 1;
    padding: 5px 14px;
  }
  /* .product_spec {
    padding: 50px 0;
  }
  .product_spec .table {
    width: calc(100% + 40px);
    margin: 0 -20px;
    padding: 0 20px;
    overflow-x: auto;
  }
  .product_spec .table::-webkit-scrollbar {
    display: none;
  }
  .product_spec table th {
    white-space: nowrap;
  }
  .product_spec table th,
  .product_spec table td {
    line-height: 1.5;
    padding: 14px;
  }
  .product_spec table th:nth-child(3),
  .product_spec table td:nth-child(3) {
    min-width: 250px;
  }
  .product_spec table th:not(:nth-child(3)),
  .product_spec table td:not(:nth-child(3)) {
    white-space: nowrap;
  }
  .product_spec table td span {
    padding: 2px 5px;
    min-width: 85px;
  } */
  .product_intro {
    padding: 50px 0;
  }
  .product_intro .intro {
    line-height: 1.5;
  }
  .product_intro .intro h3 {
    font-size: 18px;
    margin: 30px 0 12px;
  }
  .product_intro .intro h3::before {
    top: 8px;
  }
  .product_intro .intro p {
    margin: 10px 0;
    letter-spacing: unset;
  }
  .product_references {
    padding: 50px 0;
  }
  .product_references .head h2 {
    font-size: 18px;
  }
  .product_references .list {
    margin-top: 30px;
  }
  .product_references .list li + li {
    margin-top: 16px;
  }
  .product_references .list a {
    padding: 20px;
    gap: 14px;
    grid-template-columns: 1fr 13px;
  }
  .product_references .list .title {
    line-height: 1.5;
  }
  .product_related {
    padding: 50px 0;
    overflow: hidden;
  }
  .product_related .product_related_swiper {
    margin-top: 30px;
    overflow: unset;
  }
  .product_related .product_related_swiper .swiper-slide {
    max-width: 282px;
  }
  .product_related div.swiper-pagination {
    display: none;
  }
}
@media screen and (max-width: 576px) {
  .product_show .img {
    width: 100%;
  }
}