.inner_crumb {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-color: var(--gray);
}

.inner_crumb .content {
  height: 6.4rem;
}

.inner_crumb .back {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text);
  font-size: 1.4rem;
  transition: 0.3s;
}

.inner_crumb .back::before {
  content: '';
  width: 1.32rem;
  height: 0.78rem;
  background-color: currentColor;
  transform: rotate(180deg);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 13.2 7.8' fill='none' stroke='%23000' stroke-width='1.4'%3E%3Cpath d='M0 3.9h13.2M9.2.1l3.9 3.8-3.9 3.8'/%3E%3C/svg%3E") no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 13.2 7.8' fill='none' stroke='%23000' stroke-width='1.4'%3E%3Cpath d='M0 3.9h13.2M9.2.1l3.9 3.8-3.9 3.8'/%3E%3C/svg%3E") no-repeat center / contain;
}

.inner_crumb .back:hover {
  color: var(--primary);
}

@media screen and (max-width: 768px) {
  .inner_crumb .content {
      height: auto;
      padding-top: 12px;
      padding-bottom: 12px;
    }

  .inner_crumb .back {
      display: none;
    }
}

.product_info {
  padding: 7rem 0px 9rem;
  background-color: #fff;
}

.product_info .content {
  align-items: flex-start;
}

.product_info .gallery {
  display: flex;
  flex-direction: row-reverse;
  gap: 2rem;
  width: 78rem;
}

.product_info .gallery .main {
  flex: 1;
  height: 64rem;
  padding: 6rem;
  border-radius: 0.8rem;
  background: radial-gradient(circle at 50% 45%, #fff 0%, #eef1f4 78%);
}

.product_info .gallery .main img {
  mix-blend-mode: multiply;
}

.product_info .thumbs {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  width: 10.4rem;
}

.product_info .thumbs li {
  height: 10.4rem;
  padding: 0.8rem;
  border-radius: 0.6rem;
  cursor: pointer;
  border: 1px solid var(--line);
  background-color: #f5f6f8;
  transition: 0.3s;
}

.product_info .thumbs li img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.product_info .thumbs li:hover,
.product_info .thumbs li.active {
  border-color: var(--primary);
}

.product_info .info {
  width: 70rem;
  padding-top: 1.6rem;
}

.product_info .series {
  color: var(--primary);
  font-size: 1.5rem;
  line-height: 2.2rem;
}

.product_info .tcon h1 {
  margin-top: 1.6rem;
  font-size: 4.4rem;
  line-height: 5.8rem;
}

.product_info .tcon .model {
  margin-top: 0.8rem;
  color: var(--title);
  font-family: var(--inter);
  font-weight: 500;
  font-size: 2rem;
  line-height: 2.8rem;
}

.product_info .tcon .model + p {
  margin-top: 2.4rem;
  font-size: 1.7rem;
  line-height: 3rem;
}

.product_info .sub {
  margin-top: 4rem;
  padding-top: 3.2rem;
  font-weight: 500;
  font-size: 2rem;
  line-height: 2.8rem;
  border-top: 1px solid var(--line);
}

.product_info .points {
  margin-top: 2rem;
}

.product_info .points li {
  position: relative;
  padding-left: 3rem;
  color: var(--title);
  font-size: 1.6rem;
  line-height: 2.6rem;
}

.product_info .points li + li {
  margin-top: 1rem;
}

.product_info .points li::before {
  content: '';
  position: absolute;
  left: 0px;
  top: 0.4rem;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: rgba(0, 105, 54, 0.1) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%23006936' stroke-width='1.6'%3E%3Cpath d='m3 6.2 2 2 4-4.4'/%3E%3C/svg%3E") no-repeat center / 1.2rem;
}

.product_info .btns {
  gap: 1.6rem;
  margin-top: 4.8rem;
}

.product_info .tel {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-top: 3.2rem;
  padding-top: 2.4rem;
  color: var(--text);
  font-size: 1.4rem;
  border-top: 1px solid var(--line);
}

.product_info .tel a {
  color: var(--primary);
  font-family: var(--inter);
  font-weight: 600;
  font-size: 2.2rem;
}

@media screen and (min-width: 769px) and (max-width: 1500px) {
  .product_info .gallery {
      width: 52%;
    }

  .product_info .info {
      width: 44%;
    }
}

@media screen and (max-width: 768px) {
  .product_info {
      padding: 24px 0px 48px;
    }

  .product_info .content {
      display: block;
    }

  .product_info .gallery {
      flex-direction: column;
      width: auto;
      gap: 10px;
    }

  .product_info .gallery .main {
      flex: none;
      height: 320px;
      padding: 30px;
    }

  .product_info .thumbs {
      flex-direction: row;
      width: auto;
      gap: 8px;
    }

  .product_info .thumbs li {
      width: 64px;
      height: 64px;
      padding: 4px;
    }

  .product_info .info {
      width: auto;
      padding-top: 28px;
    }

  .product_info .series {
      font-size: 13px;
    }

  .product_info .tcon h1 {
      margin-top: 8px;
      font-size: 26px;
      line-height: 1.4;
    }

  .product_info .tcon .model {
      font-size: 16px;
    }

  .product_info .tcon .model + p {
      margin-top: 14px;
    }

  .product_info .sub {
      margin-top: 22px;
      padding-top: 18px;
      font-size: 17px;
    }

  .product_info .tel {
      font-size: 12px;
    }

  .product_info .tel a {
      font-size: 18px;
    }

  .product_info .points li {
      padding-left: 26px;
      font-size: 14px;
      line-height: 1.7;
    }

  .product_info .points li::before {
      width: 16px;
      height: 16px;
      background-size: 10px;
    }

  .product_info .btns {
      gap: 10px;
      margin-top: 24px;
    }
}

.product_detail .block {
  padding: 12rem 0px;
  scroll-margin-top: 8rem;
  background-color: var(--gray);
}

.product_detail .spec .content {
  align-items: flex-start;
}

.product_detail .spec .tcon {
  position: sticky;
  top: 18rem;
  width: 44rem;
}

.product_detail .spec .tcon h2 + p {
  margin-top: 2rem;
  font-size: 1.6rem;
  line-height: 2.8rem;
}

.product_detail .spec .tcon .btn_line {
  margin-top: 3.2rem;
}

.product_detail .spec .tbl {
  width: 108rem;
}

.product_detail .spec .tbl td {
  padding-bottom: 1.8rem;
}

.product_detail .spec .tbl td:first-child {
  width: 22rem;
  background-color: #fafbfc;
}

.product_detail .spec .tbl tr:first-child td {
  border-top: none;
}

@media screen and (min-width: 769px) and (max-width: 1500px) {
  .product_detail .spec .tcon {
      width: 32%;
    }

  .product_detail .spec .tbl {
      width: 64%;
    }
}

@media screen and (max-width: 768px) {
  .product_detail .block {
      padding: 52px 0px;
      scroll-margin-top: 50px;
    }

  .product_detail .spec .content {
      display: block;
    }

  .product_detail .spec .tcon {
      position: static;
      width: auto;
    }

  .product_detail .spec .tcon h2 + p {
      margin-top: 10px;
      font-size: 14px;
      line-height: 1.75;
    }

  .product_detail .spec .tcon .btn_line {
      display: none;
    }

  .product_detail .spec .tbl {
      width: auto;
      margin-top: 22px;
    }

  .product_detail .spec .tbl td:first-child {
      width: 96px;
    }
}

.product_related {
  padding: 12rem 0px 13rem;
  background-color: #fff;
}

.product_related .nav {
  gap: 1.2rem;
}

.product_related .nav button {
  width: 5.6rem;
  height: 5.6rem;
  border-radius: 50%;
  border: 1px solid var(--line);
  transition: 0.3s;
  position: relative;
}

.product_related .nav button::after {
  content: '';
  position: absolute;
  inset: 0px;
  background-color: var(--title);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 13.9 11' fill='none' stroke='%23000' stroke-width='1.5'%3E%3Cpath d='M0 5.5h13.4M8.4.5l5 5-5 5'/%3E%3C/svg%3E") no-repeat center / 1.4rem;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 13.9 11' fill='none' stroke='%23000' stroke-width='1.5'%3E%3Cpath d='M0 5.5h13.4M8.4.5l5 5-5 5'/%3E%3C/svg%3E") no-repeat center / 1.4rem;
}

.product_related .nav .prev::after {
  transform: rotate(180deg);
}

.product_related .nav button:hover {
  border-color: var(--primary);
  background-color: var(--primary);
}

.product_related .nav button:hover::after {
  background-color: #fff;
}

.product_related .nav .swiper-button-disabled {
  opacity: 0.35;
  pointer-events: none;
}

.product_related .swiper {
  margin-top: 5.6rem;
}

.product_related li {
  border-radius: 0.8rem;
  overflow: hidden;
  border: 1px solid var(--line);
  transition: border-color 0.35s, box-shadow 0.35s;
}

.product_related li:hover {
  border-color: transparent;
  box-shadow: 0px 1.6rem 3.6rem rgba(17, 20, 24, 0.09);
}

.product_related .pic {
  display: block;
  height: 30rem;
  padding: 3.6rem;
  background: radial-gradient(circle at 50% 45%, #fff 0%, #f3f5f7 75%);
}

.product_related .pic img {
  mix-blend-mode: multiply;
}

.product_related li:hover .pic img {
  transform: scale(1.05);
}

.product_related .txt {
  padding: 2.4rem 2.8rem 2.8rem;
  border-top: 1px solid var(--line);
}

.product_related .model {
  display: block;
  color: var(--primary);
  font-family: var(--inter);
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 2rem;
}

.product_related h3 {
  margin-top: 0.8rem;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-weight: 500;
  font-size: 1.9rem;
  line-height: 2.8rem;
}

.product_related h3 a {
  transition: 0.3s;
}

.product_related h3 a:hover {
  color: var(--primary);
}

@media screen and (max-width: 768px) {
  .product_related {
      padding: 52px 0px 60px;
    }

  .product_related .nav {
      display: none;
    }

  .product_related .swiper {
      margin-top: 24px;
    }

  .product_related .pic {
      height: 170px;
      padding: 18px;
    }

  .product_related .txt {
      padding: 12px 14px 14px;
    }

  .product_related .model {
      font-size: 12px;
    }

  .product_related h3 {
      font-size: 15px;
    }
}


/* tancn product lightbox */
.product_info .gallery .main {
  cursor: zoom-in;
}
.product_info .gallery .main a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}