.zs-product-page {
  background: #fff;
  overflow-x: hidden;
}

.zs-product-breadcrumb {
  background: #f7f7f7;
  border-top: 1px solid #ececec;
}

.zs-product-breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0;
  padding: 1.18rem 0;
  list-style: none;
  flex-wrap: wrap;
}

.zs-product-breadcrumb__list li {
  color: #646b76;
  font-size: 1rem;
  line-height: 1.45;
}

.zs-product-breadcrumb__sep {
  color: #8b9099;
}

.zs-product-breadcrumb__list li:last-child {
  color: #0b5394;
}

.zs-product-content {
  padding: 2.1rem 0 4rem;
}

.zs-product-layout {
  display: grid;
  grid-template-columns: 20.5rem minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.zs-product-sidebar__toggle {
  display: none;
}

.zs-product-sidebar__panel {
  background: #fff;
  padding: 0.9rem 0.75rem 1rem;
}

.zs-product-sidebar__title {
  margin: 0;
  padding: 0.62rem 0.9rem;
  background: #0b5394;
  color: #fff;
  font-size: 1.2rem;
  line-height: 1.35;
  font-weight: 700;
}

.zs-product-sidebar__nav {
  margin: 0;
  padding: 0.25rem 0 0;
  list-style: none;
}

.zs-product-sidebar__nav>li+li {
  margin-top: 0.15rem;
}

.zs-product-category {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  padding: 0.7rem 0.9rem 0.45rem;
  border: 0;
  background: transparent;
  color: #0b5394;
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.zs-product-category::after {
  content: "";
  width: 0.32rem;
  height: 0.32rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  flex: 0 0 auto;
  margin-top: -0.12rem;
  transition: transform 0.2s ease;
}

.zs-product-category.is-open::after {
  transform: rotate(45deg);
}

.zs-product-category:not(.is-open)::after {
  transform: rotate(-45deg);
}

.zs-product-category.is-active {
  color: #0b5394;
}

.zs-product-subcategories {
  margin: 0;
  padding: 0 0.9rem 0.2rem 1.28rem;
  list-style: none;
}

.zs-product-subcategories:not(.is-open) {
  display: none;
}

.zs-product-subcategories li+li {
  margin-top: 0.5rem;
}

.zs-product-subcategories li {
  position: relative;
  padding-left: 0.72rem;
}

.zs-product-subcategories li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 0.18rem;
  height: 0.18rem;
  border-radius: 50%;
  background: #999;
}

.zs-product-subcategories a {
  color: #3f454d;
  font-size: 1rem;
  line-height: 1.55;
}

.zs-product-subcategories a.is-active {
  color: #0b5394;
  font-weight: 700;
}

.zs-product-subcategories a:hover {
  color: #0b5394;
}

.zs-product-subcategories--nested {
  padding: 0.45rem 0 0 1rem;
}

.zs-product-subcategories--nested li+li {
  margin-top: 0.35rem;
}

.zs-product-subcategories--nested li::before {
  width: 0.16rem;
  height: 0.16rem;
  background: #0b5394;
}

.zs-product-featured {
  margin-top: 0.85rem;
}

.zs-product-sidebar__title--featured {
  margin-top: 0.2rem;
}

.zs-product-featured__arrow {
  position: relative;
  display: block;
  width: 100%;
  height: 1.75rem;
  margin: 0.2rem 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.zs-product-featured__arrow::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1rem;
  height: 1rem;
  border-right: 4px solid #d4d4d4;
  border-bottom: 4px solid #d4d4d4;
}

.zs-product-featured__arrow--prev::before {
  transform: translate(-50%, -30%) rotate(-135deg);
}

.zs-product-featured__arrow--next::before {
  transform: translate(-50%, -70%) rotate(45deg);
}

.zs-product-featured__arrow.swiper-button-disabled {
  opacity: 0.45;
  cursor: default;
}

.zs-product-featured__swiper {
  height: 25.25rem;
  overflow: hidden;
}

.zs-product-featured__item {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: start;
  padding: 0.5rem 0;
}

.zs-product-featured__item+.zs-product-featured__item {
  border-top: 1px solid #efefef;
}

.zs-product-featured__thumb {
  display: block;
  border: 1px solid #e5e5e5;
  background: #fff;
}

.zs-product-featured__thumb img,
.zs-product-featured__thumb-placeholder {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
}

.zs-product-featured__thumb img {
  object-fit: cover;
}

.zs-product-featured__thumb-placeholder {
  background: linear-gradient(135deg, #ececec 0%, #dadada 100%);
}

.zs-product-featured__name {
  color: #3f454d;
  font-size: 1.2rem;
  line-height: 1.35;
}

.zs-product-featured__content {
  min-width: 0;
}

.zs-product-featured__brand {
  margin-top: 0.28rem;
  color: #6a7280;
  font-size: 0.9rem;
  line-height: 1.45;
}

.zs-product-featured .swiper-slide {
  height: auto;
}

.zs-product-main__head {
  margin-bottom: 1.55rem;
}

.zs-product-main__title {
  margin: 0;
  color: #111;
  font-size: 1.1rem;
  line-height: 1.2;
  font-weight: 700;
}

.zs-product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.7rem 1.25rem;
}

.zs-product-card {
  min-width: 0;
}

.zs-product-card__thumb {
  display: block;
  overflow: hidden;
  background: #f2f2f2;
}

.zs-product-card__thumb img,
.zs-product-card__placeholder {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
}

.zs-product-card__thumb img {
  object-fit: cover;
  transition: transform 0.35s ease;
}

.zs-product-card:hover .zs-product-card__thumb img {
  transform: scale(1.04);
}

.zs-product-card__placeholder {
  position: relative;
  background: linear-gradient(135deg, #ececec 0%, #dadada 100%);
}

.zs-product-card__placeholder::before {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 4.5rem;
  height: 4.5rem;
  background: url("../img/richpcba-logo.png") center/contain no-repeat;
  transform: translate(-50%, -60%);
  opacity: 0.22;
}

.zs-product-card__placeholder::after {
  content: "NO IMAGE";
  position: absolute;
  left: 50%;
  top: calc(50% + 2.35rem);
  transform: translateX(-50%);
  color: #8b9099;
  font-size: 0.82rem;
  line-height: 1;
  letter-spacing: 0.14em;
}

.zs-product-card__body {
  padding: 0.9rem 0 0;
}

.zs-product-card__title {
  margin: 0;
  color: #0d0d0d;
  font-size: 1rem;
  line-height: 1.48;
  font-weight: 700;
}

.zs-product-card__title a {
  color: inherit;
}

.zs-product-card__desc {
  margin: 0.45rem 0 0;
  color: #666;
  font-size: 0.94rem;
  line-height: 1.72;
}

.zs-product-pagination {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 2.4rem;
}

.zs-product-pagination ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.zs-product-pagination li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.zs-product-pagination__link,
.zs-product-pagination__current,
.zs-product-pagination__summary,
.zs-product-pagination a,
.zs-product-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 32px;
  padding: 0 14px;
  border-radius: 3px;
  border: 1px solid #d9d9d9;
  color: #333333;
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  background: #ffffff;
}

.zs-product-pagination__link:hover,
.zs-product-pagination a:hover {
  border-color: #3f86d1;
  color: #3f86d1;
}

.zs-product-pagination__current,
.zs-product-pagination .active a,
.zs-product-pagination .active span,
.zs-product-pagination .current,
.zs-product-pagination .current a,
.zs-product-pagination .current span {
  border-color: #3f86d1;
  background: #3f86d1;
  color: #fff;
}

.zs-product-pagination__summary,
.zs-product-pagination .total,
.zs-product-pagination .pages,
.zs-product-pagination .count,
.zs-product-pagination .summary {
  border: 0;
  min-width: auto;
  padding: 0 2px;
  color: #333333;
  background: transparent;
}

.zs-product-pagination .disabled,
.zs-product-pagination .disabled a,
.zs-product-pagination .disabled span {
  color: #a8a8a8;
  background: #f7f7f7;
  border-color: #e3e3e3;
  cursor: default;
}

.zs-product-pagination .ellipsis,
.zs-product-pagination .dot,
.zs-product-pagination .dots {
  min-width: auto;
  padding: 0 4px;
  border: 0;
  background: transparent;
}

@media (max-width: 1440px) {
  .zs-product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1200px) {
  .zs-product-layout {
    grid-template-columns: 17.5rem minmax(0, 1fr);
    gap: 1.4rem;
  }
}

@media (max-width: 992px) {
  .zs-product-layout {
    grid-template-columns: 1fr;
  }

  .zs-product-sidebar {
    position: static;
    top: auto;
  }

  .zs-product-sidebar__toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    padding: 0.95rem 1rem;
    border: 0;
    background: #0b5394;
    color: #fff;
    font-size: 1rem;
    line-height: 1.4;
    font-weight: 700;
    cursor: pointer;
  }

  .zs-product-sidebar__toggle::after {
    content: "";
    width: 0.7rem;
    height: 0.7rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.25s ease;
  }

  .zs-product-sidebar__toggle[aria-expanded="true"]::after {
    transform: rotate(-135deg);
  }

  .zs-product-sidebar__panel {
    display: none;
    border-top: 0;
  }

  .zs-product-sidebar__panel.is-open {
    display: block;
  }

  .zs-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .zs-product-featured__swiper {
    height: 21rem;
  }
}

@media (max-width: 640px) {
  .zs-product-content {
    padding-top: 1.4rem;
    padding-bottom: 3rem;
  }

  .zs-product-main__title {
    font-size: 1rem;
  }

  .zs-product-grid {
    grid-template-columns: 1fr;
    gap: 1.45rem;
  }

  .zs-product-pagination {
    gap: 0.45rem;
  }

  .zs-product-featured__swiper {
    height: 17.6rem;
  }

  .zs-product-pagination__link,
  .zs-product-pagination__current {
    min-width: 2.2rem;
    min-height: 2.2rem;
    padding-right: 0.7rem;
    padding-left: 0.7rem;
  }
}