.main {
  max-width: 1200px;
  margin: 97px auto 100px; /* Match the index page spacing */
  padding: 20px;
  box-sizing: border-box;
  width: 100%;
}

/* Note: The base no-sidebar style is now in general.css */

/* Breadcrumb navigation styling */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  padding: 10px 0;
  margin-bottom: 15px;
  font-size: 14px;
}

.breadcrumb-link {
  color: #37475A;
  text-decoration: none;
}

.breadcrumb-link:hover {
  text-decoration: underline;
  color: #c45500;
}

.breadcrumb-separator {
  margin: 0 8px;
  color: #555;
}

.breadcrumb-current {
  color: #333;
  font-weight: 500;
}

/* Product title */
.product-title-container {
  margin-bottom: 20px;
}

.product-title {
  font-size: 28px;
  font-weight: 700;
  color: #333;
  margin: 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 60px;
  margin-top: 30px;
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 900px) {
  .main {
    margin-top: 130px; /* Match index page spacing */
    padding: 0 15px;
  }
  
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .product-title {
    font-size: 24px;
  }
  
  .tab-headers {
    flex-wrap: wrap;
  }
  
  .tab-header {
    padding: 12px 15px;
    flex-basis: 50%;
    text-align: center;
  }

  /* Improve table display on mobile */
  .product-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  
  .thumbnail-item {
    width: 60px;
    height: 60px;
  }
  
  .product-image-section {
    margin-bottom: 20px;
  }
}

@media (max-width: 600px) {
  .main {
    margin-top: 110px; /* Further adjusted for very small screens */
    padding: 0 10px;
  }
  
  .product-price {
    font-size: 16px;
  }

  .product-price-value {
    font-size: 24px;
  }
  
  .product-original-price {
    font-size: 16px;
  }
  
  .tab-header {
    flex-basis: 100%;
  }
  
  /* Make thumbnails smaller on very small screens */
  .thumbnail-item {
    width: 50px;
    height: 50px;
  }
  
  /* Touch-friendly button improvements */
  .add-to-cart-button {
    padding: 16px;
    font-size: 18px;
  }
    .js-quantity-selector {
    padding: 14px;
    font-size: 16px;
    height: 48px;
  }
  
  /* Product image mobile adjustments */
  .product-image {
    max-height: 350px;
  }
    /* Product info tabs mobile adjustments */
  .product-info-tabs {
    margin-top: 30px;
  }
  
  .tab-content {
    padding: 15px;
  }
  
  /* Product sections mobile adjustments */
  .product-compatibility-section,
  .product-reviews-section {
    margin-top: 30px;
    padding-top: 20px;
  }
  .product-compatibility-section h2,
  .product-reviews-section h2 {
    font-size: 20px;
    margin: 0 0 15px 0;
  }

  .product-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* Fix for screen rotation - match index page behavior */
@media screen and (orientation: portrait) {
  body.no-sidebar .main {
    padding: 20px;
    margin-top: 130px;
  }
}

@media (orientation: portrait) and (max-width: 600px) {
  .product-detail-grid {
    display: flex;
    flex-direction: column;
  }

  .product-image-section {
    order: 1;
  }

  .product-detail-section {
    order: 2;
  }

  .product-info-tabs {
    order: 3;
  }

  .product-main-image-container {
    max-height: 50vh;
    display: flex;
    align-items: center;
  }

  .product-image {
    max-height: 45vh;
  }
}

@media screen and (orientation: landscape) and (max-height: 500px) {
  body.no-sidebar .main {
    margin-top: 80px;
    padding: 15px;
  }
}

@media (orientation: landscape) {
  .product-main-image-container {
    max-height: 70vh;
    display: flex;
    align-items: center;
  }
  
  .product-image {
    max-height: 65vh;
  }
}

.product-image-section {
  margin-bottom: 40px;
}

/* Main product image */
.product-main-image-container {
  margin-bottom: 20px;
  border: 1px solid #e0e0e0;
  padding: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.product-image {
  max-width: 100%;
  width: auto;
  height: auto;
  max-height: 500px;
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

/* Layout-stability (CLS) reservations: detail.js hydrates the price block and
   the tag row into these containers after load. Reserving their settled height
   up front stops the purchase block + tabs below from being pushed down when the
   content arrives. Sized for the uniform catalog — every SKU renders three price
   lines (qty per carton + price per piece + price per carton) and a tag row. */
.product-price {
  min-height: 84px;
}

.product-tags {
  min-height: 28px;
}

/* Product thumbnails */
.product-thumbnails-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 584px; /* 5 items * (80px W + 10px P + 2px B = 92px) = 460px. 4 gaps * 10px = 40px. Thumbnails total = 500px. Arrows (2 * (32px W + 10px M)) = 84px. Wrapper total = 500 + 84 = 584px */
  /* The static page ships this wrapper with an empty .product-thumbnails (JS
     inserts the 80px thumbnail row on hydration). Reserve the settled height
     so content below does not shift when the row arrives — same pattern as
     the .product-price / .product-tags reserves above. .thumbnail-item is
     80px at every breakpoint, so 80px is exact for all viewports. */
  min-height: 80px;
  margin: 0 auto 10px auto;
}

.thumbnail-arrow {
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 5px;
  transition: all 0.3s ease;
  flex-shrink: 0;
  color: #333;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}
.thumbnail-arrow:hover {
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  transform: scale(1.1);
}

/* Disabled state for thumbnail arrows */
.thumbnail-arrow:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: rgba(255, 255, 255, 0.5);
  color: #999;
  pointer-events: none;
}

.thumbnail-arrow:disabled:hover {
  background: rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  transform: none;
}

.thumbnail-arrow span {
  line-height: 1;
  transform: translateY(-1px);
}

/* Thumbnail arrow positioning fixes */
.thumbnail-arrow.left {
  margin-right: 5px;
}

.thumbnail-arrow.right {
  margin-left: 5px;
}

.product-thumbnails {
  display: flex;
  overflow-x: auto;
  gap: 10px;
  width: 100%;
  max-width: 500px; /* 5 items * (80px W + 10px P + 2px B = 92px) = 460px. 4 gaps * 10px = 40px. Total = 500px */
  transition: scroll-left 0.3s;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* Internet Explorer and Edge */
}

.product-thumbnails::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.thumbnail-item {
  width: 80px;
  height: 80px;
  border: 1px solid #e0e0e0;
  padding: 5px;
  cursor: pointer;
  flex-shrink: 0;
}

.thumbnail-item:hover, .thumbnail-item.active {
  border-color: #232F3E;
}

.thumbnail-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-detail-section {
  margin-bottom: 40px;
  width: 100%;
  box-sizing: border-box;
}

.product-name {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 15px;
}

.product-rating-container {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.product-rating-stars {
  width: 120px;
  margin-right: 8px;
}

.product-rating-count {
  color: rgb(1, 124, 182);
  cursor: pointer;
  margin-left: 8px;
}

/* Price section */
.product-price-container {
  margin-bottom: 15px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.product-price {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin-right: 0;
}

.product-original-price {
  font-size: 20px;
  color: #888;
  text-decoration: line-through;
}

/* f-精准客户优化 §2.3 — Indicative pricing disclaimer.
   Sibling of .product-price inside .product-price-container.
   Schema offers.price stays unchanged; this only clarifies for human buyers
   that the listed number is indicative and final pricing happens via RFQ. */
.product-price-disclaimer {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.45;
  color: #5b6470;
  max-width: 520px;
}

.product-price-disclaimer-badge {
  display: inline-block;
  padding: 1px 8px;
  margin-right: 6px;
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #f59e0b;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  vertical-align: 1px;
}

.product-price-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.product-price-line-meta {
  margin-bottom: 2px;
}

.product-price-label {
  color: #5f6b7a;
  font-weight: 700;
}

.product-price-meta-value {
  color: #111;
  font-size: 18px;
  font-weight: 600;
}

.product-price-value {
  color: #111;
  font-size: 18px;
  font-weight: 600;
}

/* Product tags */
.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 15px 0;
}

.product-tag {
  background-color: #f0f0f0;
  color: #333;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 14px;
  display: flex;
  align-items: center;
}

.product-tag.primary {
  background-color: #e3f2fd;
  color: #0d47a1;
}

.product-description {
  margin-bottom: 25px;
  line-height: 1.6;
  color: #333;
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.product-compliance-note {
  display: block;
  margin-top: 10px;
  color: #243244;
}

.product-compliance-badge {
  display: inline-block;
  margin-right: 6px;
  padding: 2px 6px;
  border-radius: 4px;
  background: #e6f3ff;
  color: #0b5c92;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.product-compliance-note a {
  color: #0066c0;
  font-weight: 600;
  text-decoration: none;
}

.product-compliance-note a:hover {
  text-decoration: underline;
}

/* Purchase section */
.product-purchase-container {
  margin-top: 30px;
}

.product-pieces-label {
  display: block;
  font-weight: 600;
  color: #5f6b7a;
  margin-bottom: 8px;
  font-size: 14px;
}

.product-pieces-stepper {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.pieces-stepper-btn {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid #ccc;
  background: #f5f5f5;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
  padding: 0;
}

.pieces-stepper-btn:hover {
  background: #e8e8e8;
  border-color: #999;
}

.js-pieces-input {
  width: 110px;
  text-align: center;
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 16px;
  font-weight: 600;
  height: 36px;
  box-sizing: border-box;
  -moz-appearance: textfield;
}

.js-pieces-input::-webkit-inner-spin-button,
.js-pieces-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
}

.product-pieces-helper {
  font-size: 13px;
  color: #5f6b7a;
  margin-bottom: 4px;
}

.product-pieces-error {
  font-size: 13px;
  font-weight: 600;
  color: #c0392b;
  margin-bottom: 4px;
}

.product-pieces-total[hidden] { display: none; }

.product-pieces-total {
  background: #f0f7ff;
  border: 1px solid #c2d9f5;
  border-radius: 8px;
  padding: 12px 16px;
  margin: 14px 0 4px;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 16px;
  row-gap: 2px;
}

.pieces-total-label {
  grid-column: 1;
  grid-row: 1;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #5f6b7a;
  align-self: end;
}

.pieces-total-value {
  grid-column: 2;
  grid-row: 1 / -1;
  align-self: center;
  font-size: 22px;
  font-weight: 700;
  color: #1a3a5c;
  line-height: 1.2;
  white-space: nowrap;
}

.pieces-total-breakdown {
  grid-column: 1;
  grid-row: 2;
  font-size: 12px;
  color: #5f6b7a;
  align-self: start;
}

.product-quantity-container {
  margin-bottom: 25px;
}

.js-quantity-selector {
  padding: 12px;
  width: 120px;
  border-radius: 4px;
  border: 1px solid #aaa;
  font-size: 16px;
}

.added-to-cart {
  color: rgb(6, 125, 98);
  font-size: 16px;
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  opacity: 0;
}

.added-to-cart img {
  height: 20px;
  margin-right: 8px;
}

.add-to-cart-button {
  width: 100%;
  padding: 14px;
  border-radius: 4px;
  border: none;
  background-color: #232F3E;
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
  text-decoration: none; /* Remove underline for anchor tags */
  text-align: center; /* Center the text */
  display: inline-block; /* Ensure proper block behavior for anchor tags */
}

.add-to-cart-button:hover {
  background-color: #1A252F;
}

/*
 * Inline 1-click RFQ secondary actions (WhatsApp + Email) — spec:
 * a60100-02-B2B外贸独立站优化/f-精准客户优化/readme.md §2.1 step 2.
 * Sit directly below Add to Inquiry Cart, visually downgraded to avoid
 * stealing focus from the primary cart-based RFQ flow.
 */
.product-purchase-secondary-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.product-secondary-rfq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.product-secondary-rfq-btn--whatsapp {
  color: #128C7E;
  border-color: #128C7E;
  background-color: #ffffff;
}

.product-secondary-rfq-btn--whatsapp:hover {
  background-color: #128C7E;
  color: #ffffff;
}

.product-secondary-rfq-btn--email {
  color: #232F3E;
  border-color: #232F3E;
  background-color: #ffffff;
}

.product-secondary-rfq-btn--email:hover {
  background-color: #232F3E;
  color: #ffffff;
}

@media (max-width: 600px) {
  .product-purchase-secondary-actions {
    grid-template-columns: 1fr;
  }
}

/* Product info tabs */
.product-info-tabs {
  margin-top: 50px;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  width: 100%;
  box-sizing: border-box;
}

.product-related-links {
  margin-top: 44px;
  padding-top: 30px;
  border-top: 1px solid #d8e1ea;
  color: #26384a;
}

.product-related-links[hidden] {
  display: none;
}

.product-related-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 34px;
}

.product-related-group {
  min-width: 0;
}

.product-related-group h2 {
  margin: 0 0 14px;
  color: #172436;
  font-size: 20px;
  line-height: 1.3;
}

.related-link-list {
  display: grid;
  gap: 10px;
}

.related-link-list a {
  display: grid;
  gap: 3px;
  padding: 10px 0;
  border-bottom: 1px solid #edf1f5;
  color: #26384a;
  text-decoration: none;
}

.related-link-list a:hover {
  color: #0f5d85;
  text-decoration: underline;
}

.related-link-title {
  font-weight: 600;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.related-link-meta {
  color: #647386;
  font-size: 13px;
  line-height: 1.4;
}

.tab-headers {
  display: flex;
  border-bottom: 1px solid #e0e0e0;
  background-color: #f9f9f9;
  flex-wrap: wrap;
}

.tab-header {
  padding: 15px 25px;
  cursor: pointer;
  font-weight: 600;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
}

.tab-header:hover {
  background-color: #f0f0f0;
}

.tab-header.active {
  border-bottom: 3px solid #232F3E;
  background-color: #fff;
}

.tab-content {
  padding: 25px;
  width: 100%;
  box-sizing: border-box;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Style the compatibility and reviews sections within product details */
.product-compatibility-section,
.product-reviews-section {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 2px solid #e0e0e0;
  width: 100%;
  box-sizing: border-box;
}

.product-compatibility-section h2,
.product-reviews-section h2 {
  font-size: 22px;
  margin: 0 0 20px 0;
  color: #333;
  font-weight: 600;
}

/* Product details content */
.product-details-content,
.product-compatibility,
.product-reviews {
  line-height: 1.6;
  width: 100%;
  box-sizing: border-box;
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.product-details-content h2,
.product-compatibility h2 {
  font-size: 20px;
  margin: 20px 0 10px;
  color: #333;
}

.product-details-content h3,
.product-compatibility h3 {
  font-size: 18px;
  margin: 16px 0 8px;
  color: #444;
}

.product-details-content ul,
.product-compatibility ul {
  margin-left: 20px;
  margin-bottom: 20px;
}

/* Product specs table */
.product-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.product-table th {
  background-color: #f5f5f5;
  padding: 12px 15px;
  text-align: left;
  border-bottom: 2px solid #ddd;
  font-weight: 600;
}

.product-table td {
  padding: 10px 15px;
  border-bottom: 1px solid #e0e0e0;
}

.product-table tr:nth-child(even) {
  background-color: #f9f9f9;
}

.product-table tr:hover {
  background-color: #f1f1f1;
}

/* Enhanced upgrading kit product content styles */
.product-info-section {
  margin: 25px 0;
  padding: 20px;
  background: #f8f9fa;
  border-radius: 8px;
  border-left: 4px solid #007cba;
}

.product-info-section h4 {
  margin: 0 0 15px 0;
  color: #37475A;
  font-size: 18px;
  font-weight: 600;
}

.product-info-section p {
  margin: 10px 0;
  line-height: 1.6;
  color: #555;
}

.product-info-section ul {
  margin: 10px 0;
  padding-left: 20px;
}

.product-info-section li {
  margin: 8px 0;
  line-height: 1.5;
  color: #555;
}

.js-product-details-content .contact-info {
  margin: 30px 0 20px 0;
  padding: 20px;
  background: #e8f4f8;
  border-radius: 8px;
  border: 1px solid #007cba;
}

.js-product-details-content .contact-info p {
  margin: 8px 0;
  color: #37475A;
}

.js-product-details-content .contact-info p:first-child {
  font-weight: 600;
  margin-bottom: 12px;
}

/* Better formatting for cleaned markdown content */
.js-product-details-content h3 {
  color: #37475A;
  margin: 20px 0 15px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid #007cba;
  font-size: 20px;
}

.js-product-details-content h4 {
  color: #555;
  margin: 18px 0 12px 0;
  font-size: 16px;
  font-weight: 600;
}

.js-product-details-content p {
  line-height: 1.7;
  margin: 12px 0;
  color: #444;
}

/* Mobile responsiveness for upgrading kit content */
@media (max-width: 768px) {
  .product-related-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .product-related-links {
    margin-top: 34px;
    padding-top: 24px;
  }

  .product-info-section {
    margin: 20px 0;
    padding: 15px;
  }
    .product-info-section h4 {
    font-size: 16px;
  }
  
  .js-product_details-content .contact-info {
    margin: 25px 0 15px 0;
    padding: 15px;
  }
}

/* Mobile main content adjustments for fixed header */
@media (max-width: 768px) {
  .main {
    margin-top: 97px !important; /* 60px header + 32px sub-header + 5px gap */
    padding: 20px 15px !important;
  }
}

@media (max-width: 480px) {
  .main {
    margin-top: 97px !important;
    padding: 15px 10px !important;
  }
}

@media (max-width: 320px) {
  .main {
    margin-top: 92px !important; /* 55px header + 32px sub-header + 5px gap */
    padding: 15px 8px !important;
  }
}

@media (max-width: 768px) {
  .thumbnail-arrow {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .thumbnail-arrow {
    width: 35px;
    height: 35px;
    font-size: 16px;
  }
}