/* ============================================================
   product-detail.css — 产品详情页，1:1 像素级还原 Figma 6:783
   ============================================================ */

/* ===== 返回链接 ===== */
.product-detail-back {
  padding: 32px 0 24px;
}

.product-detail-back__link {
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 16px;
  color: var(--c-brown);
}

/* ===== 产品详情布局 ===== */
.product-detail {
  padding: 0 0 64px;
}

.product-detail__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.product-detail__img {
  background: var(--c-white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.product-detail__img img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.product-detail__info {
  padding-top: 0;
}

.product-detail__cat {
  display: block;
  font-size: 14px;
  letter-spacing: 0.35px;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 12px;
}

.product-detail__title {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 48px;
  line-height: 48px;
  color: var(--c-brown);
  margin: 0 0 12px;
}

.product-detail__sub {
  font-size: 20px;
  line-height: 32px;
  color: var(--c-text-dark);
  margin: 0 0 24px;
}

.product-detail__price-row {
  display: flex;
  gap: 24px;
  align-items: center;
  padding-bottom: 24px;
  border-bottom: 1px solid #d1d5dc;
  margin-bottom: 24px;
}

.product-detail__price {
  font-size: 30px;
  line-height: 36px;
  color: var(--c-brown);
}

.product-detail__vol {
  font-size: 16px;
  color: var(--c-text-soft);
}

.product-detail__block {
  margin-bottom: 24px;
}

.product-detail__block h2 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 24px;
  line-height: 32px;
  color: var(--c-brown);
  margin: 0 0 16px;
}

.product-detail__block p {
  font-size: 16px;
  line-height: 26px;
  color: var(--c-text-dark);
  margin: 0;
}

.product-detail__block ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-detail__block li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  font-size: 16px;
  line-height: 24px;
  color: var(--c-text-dark);
}

.product-detail__block li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--c-gold);
}

.product-detail__btn {
  display: block;
  width: 100%;
  height: 52px;
  line-height: 52px;
  text-align: center;
  background: var(--c-brown);
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 1.4px;
  color: var(--c-white);
  margin-top: 32px;
}

/* ===== 您可能也喜欢 ===== */
.product-related {
  padding: 64px 0;
}

.product-related__title {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 30px;
  line-height: 36px;
  color: var(--c-brown);
  text-align: center;
  margin: 0 0 48px;
}

.product-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-related__card {
  display: block;
  background: var(--c-bg-beige);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow .2s;
}

.product-related__card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.product-related__img {
  height: 320px;
  overflow: hidden;
}

.product-related__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-related__body {
  padding: 24px;
}

.product-related__cat {
  display: block;
  font-size: 14px;
  letter-spacing: 0.35px;
  color: var(--c-gold);
  margin-bottom: 8px;
}

.product-related__body h3 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 20px;
  line-height: 28px;
  color: var(--c-brown);
  margin: 0 0 8px;
}

.product-related__body p {
  font-size: 14px;
  line-height: 20px;
  color: var(--c-text-mid);
  margin: 0 0 8px;
}

.product-related__price {
  font-size: 18px;
  color: var(--c-brown);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .product-detail__layout { grid-template-columns: 1fr; gap: 40px; }
  .product-related__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .product-detail-back { padding: 24px 0 16px; }
  .product-detail__title { font-size: 36px; line-height: 42px; }
  .product-detail__sub { font-size: 18px; }
  .product-related__grid { grid-template-columns: 1fr; }
  .product-related__img { height: 280px; }
}