/* 手机宽度下的整站排布。电脑宽度不使用这些规则。 */
@media (max-width: 767px) {
  #mobileMenu.hidden { display: none !important; }
  #mobileMenu:not(.hidden) {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 5.5rem 2.25rem 3rem;
  }
  #mobileMenu nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: 1.65rem;
  }
  #mobileMenu nav a {
    display: block;
    width: auto;
    text-align: center;
    padding: 0.2rem 0.75rem;
    letter-spacing: 0.28em;
  }

  #searchOverlay.hidden { display: none !important; }
  #searchOverlay:not(.hidden) {
    display: flex !important;
    flex-direction: column;
  }

  .mobile-topbar {
    position: relative !important;
    min-height: 3.25rem;
    overflow: visible !important;
  }
  .mobile-logo {
    position: absolute !important;
    left: 50% !important;
    top: 0.55rem !important;
    width: 48px;
    margin: 0 !important;
    transform: translateX(-50%);
    z-index: 2;
  }
  .mobile-logo img {
    display: block;
    width: 100%;
    height: auto;
    max-height: none;
  }

  #shopFilterHost { display: none; }
  #shopFilterHost.is-open { display: block; }
  .shop-filter-group {
    margin-bottom: 0.65rem !important;
    padding-bottom: 0.4rem !important;
  }
  .shop-filter-group h4 { margin-bottom: 0.28rem !important; }
  .shop-filter-list { gap: 0.12rem; }
  #relatedGoods > :nth-child(n + 2) { display: none; }
  .shop-hero {
    height: 28vh !important;
    min-height: 200px;
    padding-bottom: 1.25rem !important;
  }
  #sidebarFilters { padding-bottom: 0 !important; }

  .tab-btn {
    letter-spacing: 0.06em !important;
    padding-left: 0.65rem !important;
    padding-right: 0.65rem !important;
  }

  main, .max-w-7xl, .max-w-\[1400px\] {
    min-width: 0;
  }
  img, video, canvas, svg {
    max-width: 100%;
  }
  table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
  }
  html, body { overflow-x: clip; }
  input, select, textarea { font-size: 16px; }
}

.product-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.product-gallery { order: 1; }
.product-buy { order: 2; }
.product-tabs { order: 3; }

@media (min-width: 1024px) {
  .product-layout {
    display: grid;
    grid-template-columns: minmax(0, 65%) minmax(0, 35%);
    column-gap: 3rem;
    row-gap: 2.5rem;
    align-items: start;
  }
  .product-gallery { grid-column: 1; grid-row: 1; }
  .product-tabs { grid-column: 1; grid-row: 2; }
  .product-buy {
    grid-column: 2;
    grid-row: 1 / span 2;
    position: sticky;
    top: 120px;
  }
}