/* ============================================================
   LINENWEAR — Single Product (PDP) Stylesheet
   严格还原 Figma 设计稿：桌面端 1440px / 平板 / 移动端 响应式
   ============================================================ */

/* ---------- 主容器 ---------- */
.single-product-main {
  max-width: var(--section-max-width);
  margin: 0 auto;
  padding: 0 var(--section-padding-x) 80px;
  background-color: var(--color-cream);
}

/* ============================================================
   SECTION: Breadcrumb（位于产品标题正上方）
   ============================================================ */
.single-product__breadcrumb {
  padding: 0 0 10px;
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 200;
  letter-spacing: 0.025em;
  color: var(--color-dark-text);
  line-height: 1.4;
}

.single-product__breadcrumb a {
  transition: opacity var(--transition-default);
}

.single-product__breadcrumb a:hover {
  opacity: 0.6;
}

.single-product__breadcrumb-sep {
  opacity: 0.5;
}

.single-product__breadcrumb-current {
  opacity: 0.7;
}

/* ============================================================
   SECTION: Product Main（图片 + 信息 双栏）
   ============================================================ */
.single-product__main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  margin-top: 50px;
}

/* ============================================================
   PRODUCT GALLERY（左侧）
   ============================================================ */
/* Gallery 保持自然流 —— sticky 不会脱离文档流，无需 z-index / max-width 防御 */

/* ——— 主图（750×1000px 等比缩放，点击触发 Lightbox） ——— */
.single-product__gallery-main {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;          /* 750 / 1000 */
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: var(--color-light-beige);
  cursor: pointer;
}

.single-product__gallery-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ——— 一行两列图片网格 ——— */
.single-product__gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 10px;
}

.single-product__gallery-grid-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 4px;
  cursor: pointer;
  box-sizing: border-box;
}

/* ============================================================
   PRODUCT INFO（右侧）
   ============================================================ */
.single-product__info {
  padding-top: 4px;
  /* 默认 relative：初始状态左右两侧同步滚动，无 sticky 行为 */
  position: relative;
}

/* JS 在 SYNC↔FIXED 间切换 position（relative ↔ sticky; top:0px），切换无视觉跳变 */

/* 标题 */
.single-product__title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-dark-text);
  line-height: 1.3;
  margin-bottom: 14px;
}

/* 评分 */
.single-product__rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.single-product__stars {
  display: flex;
  gap: 2px;
}

.single-product__star {
  font-size: 14px;
  color: rgba(63, 58, 53, 0.25);
}

.single-product__star--filled {
  color: var(--color-dark-red);
}

.single-product__reviews-count {
  font-size: 14px;
  font-weight: 200;
  letter-spacing: 0.025em;
  color: var(--color-dark-text);
}

.single-product__reviews-count--empty {
  color: rgba(63, 58, 53, 0.5);
}

/* 价格 */
.single-product__price {
  margin-bottom: 10px;
  font-size: 16px;
  font-weight: 400;
  color: var(--color-dark-text);
}

.single-product__price del {
  opacity: 0.5;
  margin-right: 8px;
}

.single-product__price ins {
  text-decoration: none;
  color: var(--color-dark-red);
  font-weight: 600;
}

/* 短描述（位于价格正下方） */
.single-product__short-desc {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-dark-text);
  line-height: 1.7;
  margin-bottom: 12px;
}

.single-product__short-desc p {
  margin-bottom: 8px;
}

/* SKU */
.single-product__sku {
  font-size: 14px;
  font-weight: 200;
  letter-spacing: 0.025em;
  color: rgba(63, 58, 53, 0.6);
  margin-bottom: 18px;
}

.single-product__sku-value {
  font-weight: 400;
  color: var(--color-dark-text);
}

/* ============================================================
   VARIATION：变体选择（颜色 / 尺码）
   ============================================================ */
.single-product__variation {
  margin-bottom: 18px;
}

.single-product__variation-label {
  display: block;
  font-size: 16px;
  font-weight: 400;
  color: var(--color-dark-text);
  margin-bottom: 12px;
}

/* 颜色色块 */
.single-product__swatches {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.single-product__swatch {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  padding: 3px;
  background: transparent;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: border-color 0.25s ease, transform 0.2s ease;
}

.single-product__swatch:hover {
  transform: scale(1.08);
}

.single-product__swatch--active {
  border-color: var(--color-dark-text);
}

.single-product__swatch-color {
  min-width: 30px;
  height: 30px;
  border-radius: 5px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  display: inline-block;
  flex-shrink: 0;
  box-sizing: content-box;
}

/* 尺码按钮 */
.single-product__sizes {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.single-product__size-btn {
  min-width: 44px;
  height: 40px;
  padding: 0 14px;
  font-size: 16px;
  font-weight: 400;
  color: var(--color-dark-text);
  background: transparent;
  border: 0.25px solid var(--color-dark-text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.single-product__size-btn:hover {
  background-color: rgba(154, 73, 53, 0.08);
}

.single-product__size-btn--active {
  background-color: var(--color-dark-text);
  color: var(--color-cream);
}

/* 非变体产品的尺码标签（纯展示，不可点击） */
.single-product__size-display {
  min-width: 44px;
  height: 45px;
  padding: 0 14px;
  font-size: 16px;
  font-weight: 400;
  color: var(--color-dark-text);
  background: transparent;
  border: 0.25px solid var(--color-dark-text);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* 尺码按钮 + Size Guide 同行 flex 容器，Guide 靠右对齐 */
.single-product__size-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* 引导链接 */
.single-product__guide-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 14px;
  font-weight: 200;
  letter-spacing: 0.025em;
  color: var(--color-black);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--transition-default);
}

/* Size Guide 同行时取消上边距，由 flex gap 控制 */
.single-product__guide-link--size {
  margin-top: 0;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Size Guide 前的小图标 */
.single-product__guide-icon {
  display: block;
  width: 16px;
  height: auto;
  flex-shrink: 0;
}

.single-product__guide-link:hover {
  opacity: 0.6;
}

/* ============================================================
   ACTIONS: Add to Cart + Buy Now
   ============================================================ */
.single-product__actions {
  margin-bottom: 10px;
}

/* WooCommerce Add To Cart 表单 —— 水平排列：数量 + 按钮 */
.single-product__actions form.cart {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 12px;
}

/* 显示并美化 WooCommerce 原生 .quantity */
.single-product__actions .quantity {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  height: 50px;
  border: 0.25px solid var(--color-dark-text);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.single-product__actions .quantity .qty {
  width: 60px;
  height: 50px;
  text-align: center;
  font-size: 16px;
  font-weight: 400;
  font-family: var(--font-body);
  color: var(--color-dark-text);
  background: transparent;
  border: none;
  outline: none;
  -moz-appearance: textfield;
  padding: 0 8px;
}

.single-product__actions .quantity .qty::-webkit-outer-spin-button,
.single-product__actions .quantity .qty::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* 数量 +/- 按钮（由 JS 动态注入） */
.single-product__qty-btn {
  width: 36px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  color: var(--color-dark-text);
  background: transparent;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color 0.2s ease;
}

.single-product__qty-btn:hover {
  background-color: rgba(0, 0, 0, 0.04);
}

/* Add to Cart 按钮 —— 自适应宽度，与数量输入框并排 */
.single-product__actions .single_add_to_cart_button {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  height: 50px;
  padding: 0 28px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-white);
  background-color: var(--color-dark-red);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.3s ease, transform 0.2s ease;
  margin-bottom: 0;
}

.single-product__actions .single_add_to_cart_button:hover {
  background-color: #823E2C;
}

.single-product__actions .single_add_to_cart_button:active {
  transform: scale(0.98);
}

.single-product__actions .single_add_to_cart_button.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Variable Product 隐藏默认 select */
.single-product__actions table.variations,
.single-product__actions .variations {
  display: none;
}



/* Buy Now 按钮 — 暗色，位于 Add to Cart 下方 */
.single-product__buy-now {
  display: block;
  width: 100%;
  height: 50px;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-cream);
  background-color: var(--color-dark-text);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  line-height: 50px;
  margin-top: 20px;
  transition: background-color 0.3s ease, transform 0.2s ease;
  text-decoration: none;
}

.single-product__buy-now:hover {
  background-color: #2A2A2A;
  color: var(--color-cream);
}

.single-product__buy-now:active {
  transform: scale(0.98);
}

/* ============================================================
   INFO ACCORDIONS：Description / More Detail（位于按钮下方）
   ============================================================ */
.single-product__info-accordions {
  margin-bottom: 18px;
}

.single-product__info-accordions .single-product__accordion {
  border-bottom: 0.5px solid rgba(47, 62, 70, 0.5);
}

.single-product__info-accordions .single-product__accordion:first-child {
  border-top: 0.5px solid rgba(47, 62, 70, 0.5);
}

/* ============================================================
   ACCORDION：Description / More Detail 共享样式
   ============================================================ */
.single-product__accordion {
  margin-bottom: 0;
}

.single-product__accordion[open] .single-product__accordion-arrow {
  transform: rotate(180deg);
}

.single-product__accordion-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 400;
  color: var(--color-dark-text);
  list-style: none;
}

.single-product__accordion-summary::-webkit-details-marker {
  display: none;
}

.single-product__accordion-summary::marker {
  display: none;
  content: '';
}

.single-product__accordion-arrow {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: rgba(47, 62, 70, 0.5);
}

.single-product__accordion-content {
  padding-bottom: 20px;
  font-size: 14px;
  font-weight: 400;
  color: var(--color-dark-text);
  line-height: 1.8;
}

.single-product__accordion-content p {
  margin-bottom: 12px;
}

.single-product__accordion-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.single-product__accordion-content table th,
.single-product__accordion-content table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-light-beige);
}

/* ============================================================
   BADGES（保障标签）
   ============================================================ */
.single-product__badges {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.single-product__badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  background-color: var(--color-light-beige);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 200;
  letter-spacing: 0.025em;
  color: var(--color-black);
}

.single-product__badge svg {
  flex-shrink: 0;
}

/* ============================================================
   CERTIFICATES（认证区，位于 Description/More Detail 下方）
   ============================================================ */
.single-product__certificates {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.single-product__cert {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background-color: var(--color-light-beige);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 200;
  letter-spacing: 0.025em;
  color: var(--color-black);
  line-height: 1.45;
}

.single-product__cert svg {
  justify-self: center;
  flex-shrink: 0;
}

/* ============================================================
   INFO PANELS：Shipping / Care / Why Linen / FAQ
   ============================================================ */
.single-product__info-panels {
  margin-top: clamp(40px, 6.25vw, 80px);
}

.single-product__panel {
  border-bottom: 0.5px solid rgba(47, 62, 70, 0.5);
}

.single-product__panel:first-child {
  border-top: 0.5px solid rgba(47, 62, 70, 0.5);
}

.single-product__panel[open] .single-product__panel-arrow {
  transform: rotate(180deg);
}

.single-product__panel-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 23px 0;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-dark-text);
  list-style: none;
}

.single-product__panel-summary::-webkit-details-marker {
  display: none;
}

.single-product__panel-summary::marker {
  display: none;
  content: '';
}

.single-product__panel-arrow {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: rgba(47, 62, 70, 0.5);
}

.single-product__panel-content {
  padding-bottom: 32px;
  font-size: 15px;
  font-weight: 400;
  color: var(--color-dark-text);
  line-height: 1.8;
  max-width: 1250px;
}

.single-product__panel-content p {
  margin-bottom: 12px;
}

/* ============================================================
   REVIEWS BANNER
   ============================================================ */
.single-product__reviews-banner {
  margin-top: clamp(40px, 5.56vw, 60px);
  background-color: var(--color-light-beige);
  border-radius: var(--radius-sm);
  padding: clamp(30px, 4.86vw, 68px) var(--section-padding-x);
  text-align: center;
}

.single-product__reviews-banner-inner {
  max-width: 750px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.single-product__reviews-text {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-black);
  line-height: 1.75;
}

.single-product__reviews-btn {
  display: inline-block;
  padding: 10px 40px;
  min-width: 300px;
  height: 50px;
  line-height: 30px;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-cream);
  background-color: var(--color-dark-red);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.single-product__reviews-btn:hover {
  background-color: #823E2C;
  color: var(--color-cream);
}

/* ============================================================
   RELATED PRODUCTS
   与聚合页 .product-grid 共享三列 CSS Grid 布局
   产品卡片样式完全复用 product.css 中的 .product-card
   ============================================================ */
.single-product__related {
  margin-top: clamp(40px, 5.56vw, 75px);
}

.single-product__related-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-black);
  text-align: center;
  margin-bottom: clamp(24px, 3.47vw, 50px);
}

/* Related Products 复用 .product-grid（由 linenwear_render_product_grid() 输出） */
.single-product__related .product-grid {
  grid-template-columns: repeat(3, 1fr);
}

.single-product__related .product-card__name,
.single-product__related .product-card__price,
.single-product__related .product-card__colors {
  padding-left: 12px;
  padding-right: 12px;
}

/* ============================================================
   WC 通知消息
   ============================================================ */
.single-product-main .woocommerce-message,
.single-product-main .woocommerce-error,
.single-product-main .woocommerce-info {
  max-width: 100%;
  margin: 16px 0;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.single-product-main .woocommerce-message {
  background-color: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #c8e6c9;
}

.single-product-main .woocommerce-error {
  background-color: #fbe9e7;
  color: #c62828;
  border: 1px solid #ffcdd2;
}

/* ============================================================
   WC 变体不可用提示
   ============================================================ */
.single-product-main .woocommerce-variation-add-to-cart-disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* ============================================================
   LIGHTBOX：全屏图片浏览
   ============================================================ */
.single-product__lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.single-product__lightbox[hidden] {
  display: none;
}

.single-product__lightbox--visible {
  opacity: 1;
  visibility: visible;
}

.single-product__lightbox-overlay {
  position: absolute;
  inset: 0;
  cursor: pointer;
}

/* 关闭按钮 */
.single-product__lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.single-product__lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* 左右箭头 */
.single-product__lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.single-product__lightbox-arrow:hover {
  background: rgba(255, 255, 255, 0.2);
}

.single-product__lightbox-arrow--prev {
  left: 16px;
}

.single-product__lightbox-arrow--next {
  right: 16px;
}

/* 缩放按钮 */
.single-product__lightbox-zoom-btn {
  position: absolute;
  bottom: 24px;
  right: 24px;
  z-index: 10;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.single-product__lightbox-zoom-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* 图片容器 */
.single-product__lightbox-content {
  position: relative;
  z-index: 5;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.single-product__lightbox-content--zoomed {
  max-width: 100vw;
  max-height: 100vh;
  overflow: auto;
  cursor: grab;
}

.single-product__lightbox-content--zoomed:active {
  cursor: grabbing;
}

.single-product__lightbox-img {
  display: block;
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 2px;
  transition: transform 0.3s ease;
  user-select: none;
  -webkit-user-drag: none;
}

.single-product__lightbox-content--zoomed .single-product__lightbox-img {
  max-width: none;
  max-height: none;
  width: auto;
  height: auto;
  transform: scale(2.5);
  transform-origin: 0 0;
}

/* 计数器 */
.single-product__lightbox-counter {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.7);
  pointer-events: none;
}

/* ============================================================
   RESPONSIVE: Tablet (768px - 1024px)
   ============================================================ */
@media screen and (max-width: 1024px) {
  .single-product__main {
    gap: 40px;
  }

  .single-product__title {
    font-size: 20px;
  }

  /* 平板端取消 sticky，正常滚动 */
  .single-product__info {
    position: static !important;
    top: auto !important;
  }

  /* 平板端保持 3 列 Grid（覆盖 product.css 的 2 列 !important 规则） */
  .single-product__related .product-grid {
    grid-template-columns: repeat(3, 1fr) !important;
  }

  .single-product__panel-summary {
    font-size: 20px;
    padding: 18px 0;
  }

  /* 平板端按钮缩小 */
  .single-product__actions .single_add_to_cart_button {
    font-size: 14px;
    padding: 0 20px;
  }

  .single-product__actions .quantity {
    height: 46px;
  }

  .single-product__actions .quantity .qty {
    height: 46px;
    width: 50px;
  }
}

/* ============================================================
   RESPONSIVE: Mobile (320px - 767px)
   ============================================================ */
@media screen and (max-width: 767px) {
  .single-product-main {
    padding: 0 20px 60px;
  }

  .single-product__breadcrumb {
    font-size: 12px;
    padding: 0 0 6px;
  }

  .single-product__main {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  /* 移动端取消 sticky，正常滚动 */
  .single-product__info {
    position: static !important;
    top: auto !important;
  }

  .single-product__gallery-main {
    aspect-ratio: 3 / 4;
  }

  .single-product__gallery-grid {
    gap: 8px;
    margin-top: 8px;
  }

  .single-product__title {
    font-size: 18px;
  }

  .single-product__price {
    font-size: 15px;
  }

  .single-product__swatch {
    width: 38px;
    height: 38px;
  }

  .single-product__size-btn {
    min-width: 38px;
    height: 36px;
    padding: 0 10px;
    font-size: 14px;
  }

  /* 移动端数量+按钮保持水平排列，缩小尺寸 */
  .single-product__actions form.cart {
    gap: 8px;
  }

  .single-product__actions .quantity {
    height: 44px;
  }

  .single-product__actions .quantity .qty {
    height: 44px;
    width: 48px;
    font-size: 14px;
  }

  .single-product__qty-btn {
    height: 44px;
    width: 30px;
    font-size: 16px;
  }

  .single-product__actions .single_add_to_cart_button {
    height: 44px;
    font-size: 13px;
    padding: 0 16px;
  }

  .single-product__buy-now {
    height: 44px;
    font-size: 18px;
  }

  .single-product__panel-summary {
    font-size: 17px;
    padding: 14px 0;
  }

  .single-product__panel-content {
    font-size: 14px;
    padding-bottom: 20px;
  }

  .single-product__reviews-banner {
    padding: 24px 20px;
  }

  .single-product__reviews-text {
    font-size: 14px;
  }

  .single-product__reviews-btn {
    min-width: auto;
    padding: 10px 24px;
    font-size: 18px;
    height: 42px;
    line-height: 22px;
  }

  .single-product__related-title {
    font-size: 20px;
    margin-bottom: 24px;
  }

  /* 移动端 2 列 Grid（覆盖 product.css 的 1 列 !important 规则） */
  .single-product__related .product-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .single-product__related .product-card {
    padding: 0 0 28px;
  }

  .single-product__related .product-card:nth-child(n+2) {
    border-top: none;
    padding-top: 0;
  }

  .single-product__related .product-card__name,
  .single-product__related .product-card__price,
  .single-product__related .product-card__colors {
    padding-left: 8px;
    padding-right: 8px;
  }

  .single-product__certificates {
    gap: 8px;
  }

  .single-product__cert {
    padding: 8px 12px;
    font-size: 12px;
  }

  .single-product__badge {
    padding: 6px 10px;
    font-size: 12px;
  }

  /* 移动端 Lightbox */
  .single-product__lightbox-arrow {
    width: 40px;
    height: 40px;
  }

  .single-product__lightbox-arrow--prev {
    left: 8px;
  }

  .single-product__lightbox-arrow--next {
    right: 8px;
  }

  .single-product__lightbox-close {
    top: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
  }

  .single-product__lightbox-zoom-btn {
    bottom: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
  }

  .single-product__lightbox-content {
    max-width: 94vw;
    max-height: 80vh;
  }

  .single-product__lightbox-content--zoomed {
    max-width: 100vw;
    max-height: 100vh;
  }
}

/* ============================================================
   RESPONSIVE: Small Mobile (320px - 480px)
   ============================================================ */
@media screen and (max-width: 480px) {
  /* 小屏保持 2 列 Grid */
  .single-product__related .product-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* ============================================================
   SIZE GUIDE MODAL
   设计匹配 LINENWEAR 品牌极简美学
   ============================================================ */

/* 默认隐藏（由 JS 通过 aria-hidden 切换） */
.size-guide-modal[aria-hidden="true"] {
  display: none;
}

.size-guide-modal[aria-hidden="false"] {
  display: block;
}

.size-guide-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
}

/* 半透明遮罩 */
.size-guide-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  animation: size-guide-fade-in 0.25s ease;
}

@keyframes size-guide-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* 弹窗容器 */
.size-guide-modal__container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(90vw, 680px);
  max-height: 85vh;
  background: var(--color-cream);
  border-radius: var(--radius-md, 8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  animation: size-guide-slide-up 0.3s ease;
}

@keyframes size-guide-slide-up {
  from { opacity: 0; transform: translate(-50%, -45%); }
  to   { opacity: 1; transform: translate(-50%, -50%); }
}

/* 弹窗头部：标题 + 关闭 + 切换标签 — 固定在顶部 */
.size-guide-modal__header {
  flex-shrink: 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.size-guide-modal__header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 8px;
}

.size-guide-modal__title {
  font-family: var(--font-heading, 'AGaramondPro', serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-dark-text);
  margin: 0;
  letter-spacing: 0.02em;
}

/* 切换标签行 */
.size-guide-modal__tabs {
  display: flex;
  gap: 0;
  padding: 4px 28px 0;
}

.size-guide-modal__tab {
  padding: 10px 24px;
  font-family: var(--font-body, 'Helvetica Neue', sans-serif);
  font-size: 15px;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.45);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.size-guide-modal__tab:hover {
  color: var(--color-dark-text);
}

.size-guide-modal__tab--active {
  color: var(--color-dark-text);
  border-bottom-color: var(--color-dark-text);
}

.size-guide-modal__tab:focus-visible {
  outline: 2px solid var(--color-dark-text);
  outline-offset: -2px;
}

.size-guide-modal__close {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--color-dark-text);
  cursor: pointer;
  transition: background 0.2s ease;
}

.size-guide-modal__close:hover {
  background: rgba(0, 0, 0, 0.06);
}

.size-guide-modal__close:focus-visible {
  outline: 2px solid var(--color-dark-text);
  outline-offset: 2px;
}

/* 弹窗内容区：flex 列容器，子面板自动填充 */
.size-guide-modal__body {
  display: flex;
  flex-direction: column;
  padding: 0 28px;
  overflow: hidden;
  flex: 1 1 auto;
  min-height: 0;
  font-family: var(--font-body, 'Helvetica Neue', sans-serif);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--color-dark-text);
}

/* 面板：默认隐藏 */
.size-guide-modal__panel {
  display: none;
  padding: 16px 0;
  overflow: hidden;
}

.size-guide-modal__panel--active {
  display: block;
  flex: 1 1 auto;
  min-height: 0;
}

/* How To Measure 面板：图片按自然比例展示，超出则面板内滚动 */
#size-guide-panel-howto.size-guide-modal__panel--active {
  display: flex;
  flex-direction: column;
  padding-bottom: 30px;
  overflow-y: auto;
}

.size-guide-modal__subtitle {
  font-family: var(--font-heading, 'AGaramondPro', serif);
  font-size: 17px;
  font-weight: 400;
  color: var(--color-dark-text);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.size-guide-modal__body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.size-guide-modal__body th,
.size-guide-modal__body td {
  padding: 5px 8px;
  text-align: left;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.size-guide-modal__body th {
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.025em;
  border-bottom-width: 2px;
}

.size-guide-modal__body p:first-child {
  margin-top: 0;
}

.size-guide-modal__body p:last-child {
  margin-bottom: 0;
}

/* How To Measure 图片容器：按图片自然高度渲染，不做裁剪 */
.size-guide-modal__image-wrap {
  position: relative;
  flex-shrink: 0;
  cursor: zoom-in;
  line-height: 0;
}

/* HowTo 图片：脱离 WooCommerce 通用 img 样式，独立控制 */
#size-guide-panel-howto .size-guide-modal__howto-img {
  display: block;
  width: auto;
  max-width: 90%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-sm, 4px);
  transition: opacity 0.2s ease;
}

.size-guide-modal__image-wrap:hover .size-guide-modal__howto-img {
  opacity: 0.85;
}

/* 图片放大提示按钮 */
.size-guide-modal__zoom-hint {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.85);
  border: none;
  border-radius: 50%;
  color: var(--color-dark-text);
  cursor: pointer;
  pointer-events: none; /* 点击穿透到外层，由 .image-wrap 统一处理 */
  transition: background 0.2s ease;
}

.size-guide-modal__image-wrap:hover .size-guide-modal__zoom-hint {
  background: rgba(255, 255, 255, 0.95);
}

/* Garment 面板内：免责声明 */
.size-guide-modal__disclaimers {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
}

.size-guide-modal__disclaimer {
  font-family: var(--font-body, 'Helvetica Neue', sans-serif);
  font-size: 11px;
  font-weight: 300;
  line-height: 1.5;
  color: rgba(0, 0, 0, 0.5);
  margin: 0;
}

.size-guide-modal__disclaimer + .size-guide-modal__disclaimer {
  margin-top: 6px;
}

/* ============================================================
   HOW TO MEASURE 全屏放大遮罩
   ============================================================ */
.size-guide-zoom[aria-hidden="true"] {
  display: none;
}

.size-guide-zoom[aria-hidden="false"] {
  display: block;
}

.size-guide-zoom {
  position: fixed;
  inset: 0;
  z-index: 11000;
  background: rgba(0, 0, 0, 0.92);
  animation: size-guide-fade-in 0.2s ease;
}

.size-guide-zoom__overlay {
  position: absolute;
  inset: 0;
}

.size-guide-zoom__close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 1;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease;
}

.size-guide-zoom__close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.size-guide-zoom__close:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.size-guide-zoom__img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 92vw;
  max-height: 92vh;
  width: auto;
  height: auto;
  object-fit: contain;
  user-select: none;
}

/* 平板及以下 */
@media screen and (max-width: 1024px) {
  .size-guide-modal__container {
    width: 92vw;
    max-height: 90vh;
  }

  .size-guide-modal__header-row {
    padding: 20px 20px 6px;
  }

  .size-guide-modal__tabs {
    padding: 4px 20px 0;
  }

  .size-guide-modal__body {
    padding: 0 20px;
  }

  .size-guide-modal__panel {
    padding: 12px 0;
  }

  .size-guide-modal__title {
    font-size: 20px;
  }

  .size-guide-modal__subtitle {
    font-size: 16px;
  }

  .size-guide-modal__disclaimers {
    margin-top: 16px;
    padding-top: 12px;
  }

  .size-guide-zoom__close {
    top: 14px;
    right: 14px;
    width: 42px;
    height: 42px;
  }
}

.woocommerce img, .woocommerce-page img {
  float: left !important;
}

.woocommerce:where(body:not(.woocommerce-block-theme-has-button-styles)) button.button.alt,
.woocommerce-page:where(body:not(.woocommerce-block-theme-has-button-styles)) button.button.alt {
  background-color: var(--color-dark-red) !important;
  border-radius: var(--radius-sm) !important;
}