.product_preview {
  overflow: hidden;
  background-color: #f5f4f2;
}
.product_preview .img {
  width: 60%;
  margin-left: -10%;
  --h: 78.333333%;
}
.product_preview .text {
  width: 42.375%;
  padding: 3rem 0;
  align-self: center;
}
.product_preview .text h1 {
  font-weight: 600;
  font-size: 6.5rem;
  line-height: 7.2rem;
  letter-spacing: 3px;
}
.product_preview .text .cat {
  font-size: 2.2rem;
  letter-spacing: 1px;
  margin-top: 3.2rem;
}
.product_preview .text p {
  opacity: 0.75;
  line-height: 2.6rem;
  max-width: 58rem;
  margin-top: 4.2rem;
}
.product_preview .text ul {
  gap: 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  max-width: 58.1rem;
  margin-top: 3rem;
}
.product_preview .text ul li {
  font-size: 1.8rem;
}
.product_preview .text .btns {
  gap: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  padding-top: 2.6rem;
  margin-top: 5.4rem;
  border-top: 1px solid #d1d1d1;
}
.product_preview .text .btns .btn_more {
  flex: auto;
  max-width: 27.8rem;
  line-height: 6rem;
  gap: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.8rem;
  text-transform: none;
  padding: 0 2rem;
}
.product_preview .text .btns .btn_more::after {
  content: '';
  display: block;
  background: no-repeat center / contain;
}
.product_preview .text .btns .btn_quote::after {
  width: 2rem;
  min-width: 2rem;
  height: 1.2rem;
  transform: rotate(180deg);
  background-image: url(../img/arrow-l-b.svg);
}
.product_preview .text .btns .btn_download::after {
  width: 1.5rem;
  min-width: 1.5rem;
  height: 1.5rem;
  background-image: url(../img/icon-download.svg);
}
.product_custom {
  overflow: hidden;
  padding: 10.4rem 0 6.4rem;
  background-color: #f5f4f2;
}
.product_custom .content {
  max-width: 134rem;
}
.product_custom .flex {
  margin-top: 4rem;
}
.product_custom .head h2 {
  font-size: 4rem;
}
.product_custom .nav {
  flex: 1;
}
.product_custom .nav ul {
  gap: 4.8rem;
  display: flex;
  flex-wrap: wrap;
}
.product_custom .nav .item {
  display: block;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 2.2rem;
  opacity: 0.5;
  border-bottom: 3px solid transparent;
  padding: 8px 0;
}
.product_custom .nav .active .item {
  opacity: 1;
  border-color: #a57863;
}
.product_custom .swiper_btns {
  gap: 8.4rem;
  margin-bottom: 1rem;
}
.product_custom .product_custom_swiper {
  margin-top: 5.6rem;
}
.product_custom .product_custom_swiper .swiper-slide:last-child .item::after {
  display: none;
}
.product_custom .product_custom_swiper .item {
  height: 100%;
  display: block;
  transition: all 0.3s;
  border: 1px solid transparent;
  position: relative;
  padding: 6.4rem 4rem 10rem;
}
.product_custom .product_custom_swiper .item::after {
  content: '';
  display: block;
  width: 1px;
  height: calc(100% - 4.8rem);
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: all 0.3s;
  background-color: #d1d1d1;
}
.product_custom .product_custom_swiper .item:hover img {
  transform: scale(1.03);
}
.product_custom .product_custom_swiper .img {
  --h: 100%;
  max-width: 12.6rem;
}
.product_custom .product_custom_swiper .syedittext h3 {
  font-size: 2.4rem;
  font-weight: 500;
  margin-top: 7.2rem;
}
.product_custom .product_custom_swiper .syedittext p {
  color: #5b5b5b;
  font-size: 1.8rem;
  line-height: 3rem;
  margin-top: 12px;
}
.product_custom .product_custom_swiper .active .item {
  border-color: var(--title);
}
.product_custom .product_custom_swiper .active .item::after {
  opacity: 0;
}
.product_custom .product_custom_swiper .swiper-slide:has( + .active) .item::after {
  opacity: 0;
}
.product_custom .btn_more {
  margin-top: 6.4rem;
  font-size: 2rem;
  line-height: 6rem;
  min-width: 20.8rem;
  text-transform: none;
}
.product_related {
  padding: 10.2rem 0 12.2rem;
  background-color: #f5f4f2;
}
.product_related .swiper_box {
  margin-top: 5.6rem;
}
.product_related .product_related_swiper {
  overflow: hidden;
}
.product_related .product_related_swiper .swiper-slide {
  width: 37rem;
}
.product_related .btn_more {
  margin-top: 10.4rem;
  font-size: 2rem;
  line-height: 6rem;
  min-width: 20.8rem;
  text-transform: none;
}
@media screen and (min-width: 769px) and (max-width: 896px) {
  .product_preview .text .cat {
    margin-top: 2rem;
  }
  .product_preview .text p {
    margin-top: 2rem;
  }
  .product_preview .text .btns {
    margin-top: 2rem;
  }
}
@media screen and (max-width: 768px) {
  .product_preview .img {
    width: 50%;
    margin-left: -20px;
  }
  .product_preview .text {
    width: 50%;
    padding: 20px 0;
  }
  .product_preview .text h1 {
    font-size: 22px;
    line-height: 1.3;
    letter-spacing: 0;
  }
  .product_preview .text .cat {
    font-size: 1rem;
    margin-top: 12px;
    letter-spacing: 0;
  }
  .product_preview .text p {
    font-size: 14px;
    line-height: 1.5;
    margin-top: 12px;
  }
  .product_preview .text ul {
    gap: 12px;
    margin-top: 1rem;
  }
  .product_preview .text ul li {
    font-size: 14px;
    line-height: 1.5;
  }
  .product_preview .text .btns {
    gap: 12px;
    padding-top: 1rem;
    margin-top: 20px;
  }
  .product_preview .text .btns .btn_more {
    font-size: 14px;
    padding: 0 1rem;
    line-height: 40px;
  }
  .product_preview .text .btns .btn_quote::after,
  .product_preview .text .btns .btn_download::after {
    width: 12px;
    min-width: 12px;
    height: 12px;
  }
  .product_custom {
    padding: 4rem 0;
  }
  .product_custom .flex {
    margin-top: 1rem;
  }
  .product_custom .head h2 {
    font-size: 22px;
  }
  .product_custom .nav ul {
    gap: 1rem;
  }
  .product_custom .nav .item {
    font-size: 14px;
    padding: 10px 0;
  }
  .product_custom .swiper_btns {
    gap: 2rem;
    margin: 0;
  }
  .product_custom .product_custom_swiper {
    margin-top: 2rem;
  }
  .product_custom .product_custom_swiper .item {
    padding: 20px;
  }
  .product_custom .product_custom_swiper .item::after {
    height: calc(100% - 20px);
  }
  .product_custom .product_custom_swiper .img {
    max-width: 4rem;
  }
  .product_custom .product_custom_swiper .syedittext h3 {
    font-size: 18px;
    margin-top: 20px;
  }
  .product_custom .product_custom_swiper .syedittext p {
    font-size: 14px;
    line-height: 1.5;
    margin-top: 12px;
  }
  .product_custom .btn_more {
    font-size: 14px;
    padding: 0 20px;
    line-height: 40px;
    min-width: 120px;
    margin-top: 2rem;
  }
  .product_related {
    padding: 4rem 0;
    overflow: hidden;
  }
  .product_related .swiper_box {
    margin-top: 2rem;
  }
  .product_related .product_related_swiper {
    overflow: visible;
  }
  .product_related .swiper_btns {
    display: none;
  }
  .product_related .btn_more {
    font-size: 14px;
    padding: 0 20px;
    line-height: 40px;
    min-width: 120px;
    margin-top: 2.5rem;
  }
}
@media screen and (max-width: 576px) {
  .product_preview .flex {
    display: block;
  }
  .product_preview .img {
    width: calc(100% + 40px);
    margin: 0 -20px;
  }
  .product_preview .text {
    width: 100%;
    padding: 2rem 0;
  }
  .product_custom .flex {
    display: block;
  }
  .product_custom .nav ul {
    width: 100vw;
    padding: 0 20px;
    margin: 0 -20px;
    overflow: auto;
    flex-wrap: nowrap;
  }
  .product_custom .nav ul::-webkit-scrollbar {
    display: none;
  }
  .product_custom .nav .item {
    white-space: nowrap;
  }
  .product_custom .swiper_btns {
    margin-top: 2rem;
  }
  .product_faq .flex {
    flex-direction: column;
  }
  .product_faq .head,
  .product_faq .faq_list {
    width: 100%;
  }
}