/* ==========================================================================
   明健 MING JIAN - 商品系列樣式表 (PRODUCTS & PDP STYLES)
   涵蓋：所有商品頁 (products.html) 與商品單品頁 (product-*.html)
   風格參照：ZENB Japan 極簡日系健康美學、直覺購買動線、全響應式適配
   ========================================================================== */

/* ==========================================================================
   1. 所有商品總覽頁 (PRODUCTS CATALOG - products.html)
   ========================================================================== */
.products-hero {
  background: linear-gradient(180deg, #F5F8F6 0%, #FFFFFF 100%);
  padding: 56px 0 36px;
  text-align: center;
  border-bottom: 1px solid #EBEFEA;
}

.products-hero-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.products-hero-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.35;
}

.products-hero-desc {
  max-width: 680px;
  margin: 0 auto;
  font-size: 1rem;
  color: #4A5650;
  line-height: 1.8;
}

/* 雙商品展示網格 (電腦版 1 排 2 欄，大器通透) */
.products-grid-zenb {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
  margin: 48px auto 64px;
}

.product-card-zenb {
  background: #FFFFFF;
  border: 1px solid #E2E8E4;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.product-card-zenb:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(0, 71, 39, 0.1);
  border-color: #CBD5CE;
}

.product-card-thumb-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: #F8FAF8;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  cursor: pointer;
  text-decoration: none;
}

.product-card-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.product-card-zenb:hover .product-card-thumb-img {
  transform: scale(1.05);
}

.product-card-badge-top {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(0, 71, 39, 0.9);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--border-radius-full);
  letter-spacing: 0.5px;
}

.product-card-badge-gold {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: rgba(254, 209, 65, 0.95);
  color: #1A1A1A;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--border-radius-full);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.product-card-body {
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.product-tag-pill {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--color-primary);
  background: #E8F4EE;
  padding: 3px 10px;
  border-radius: var(--border-radius-full);
}

.product-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #1B2921;
  margin-bottom: 8px;
  line-height: 1.4;
}

.product-card-title-link {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.product-card-title-link:hover,
.product-card-zenb:hover .product-card-title-link {
  color: var(--color-primary);
}

.product-card-desc {
  font-size: 0.92rem;
  color: #55625B;
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.product-card-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 12px;
  border-top: 1px solid #EFEFEA;
  padding-top: 18px;
  margin-bottom: 18px;
}

.product-card-prices {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
}

.price-origin-del {
  font-size: 0.95rem;
  color: #8C9992;
  text-decoration: line-through;
  white-space: nowrap;
}

.price-unit-suffix {
  font-size: 1rem;
  font-weight: 500;
}

.price-main {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.price-sub-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.price-sub-note-highlight {
  color: var(--color-primary);
  font-weight: 700;
}

.btn-card-pdp {
  width: 100%;
  padding: 14px 20px;
  text-align: center;
  font-weight: 700;
  font-size: 1rem;
}

/* 企業採購導流全幅橫幅 (PRODUCTS BOTTOM BANNER) */
.b2b-prompt-banner {
  background: #004727;
  color: #FFFFFF;
  border-radius: 18px;
  padding: 36px 32px;
  margin-bottom: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.b2b-prompt-title {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.b2b-prompt-desc {
  font-size: 0.92rem;
  color: #D6E5DC;
  line-height: 1.6;
}

.b2b-prompt-btn {
  white-space: nowrap;
  background: #FED141;
  color: #1A1A1A;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: var(--border-radius-full);
  transition: all var(--transition-fast);
}

.b2b-prompt-btn:hover {
  background: #ffda65;
  transform: translateY(-2px);
}

/* ==========================================================================
   2. 商品獨立詳情頁 (PDP - PRODUCT DETAIL PAGE)
   ========================================================================== */
.pdp-section {
  padding-top: 40px;
  padding-bottom: 80px;
}

.pdp-main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: start;
  margin-bottom: 64px;
}

/* 左側：商品圖庫 (PDP GALLERY - 支援觸控滑動 Swiper 與縮圖列) */
.pdp-gallery-wrap {
  position: sticky;
  top: 96px;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.pdp-main-swiper {
  width: 100%;
  position: relative;
  border-radius: 20px;
  background: #F7FAF8;
  border: 1px solid #E6ECE8;
  overflow: hidden;
  margin-bottom: 14px;
}

.pdp-main-swiper .swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
}

.pdp-main-img-box {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: transparent;
  border: none;
  border-radius: 0;
  margin-bottom: 0;
}

.pdp-main-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  transition: opacity 0.25s ease;
}

/* 頁數指示器角標 (例如 1 / 6，日系極簡質感) */
.pdp-swiper-counter {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: rgba(0, 0, 0, 0.55);
  color: #FFFFFF;
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--border-radius-full);
  z-index: 10;
  letter-spacing: 1px;
  pointer-events: none;
}

/* 電腦版左右切換箭頭 */
.pdp-swiper-prev,
.pdp-swiper-next {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  color: var(--color-primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-fast);
  opacity: 0;
}

.pdp-main-swiper:hover .pdp-swiper-prev,
.pdp-main-swiper:hover .pdp-swiper-next {
  opacity: 0.9;
}

.pdp-swiper-prev:hover,
.pdp-swiper-next:hover {
  opacity: 1 !important;
  background: #FFFFFF;
  transform: scale(1.08);
}

.pdp-swiper-prev:after,
.pdp-swiper-next:after {
  font-size: 14px;
  font-weight: 700;
}

/* 縮圖列外層包裝容器 (強制 min-width: 0 不破版、支援觸控滑動) */
.pdp-thumbs-wrap {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  position: relative;
}

.pdp-thumbs-list {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  padding: 4px 2px 8px;
  width: 100%;
  scrollbar-width: thin;
  scrollbar-color: #CBD5CE transparent;
}

.pdp-thumbs-list::-webkit-scrollbar {
  height: 4px;
}

.pdp-thumbs-list::-webkit-scrollbar-thumb {
  background: #CBD5CE;
  border-radius: 4px;
}

.pdp-thumb-btn {
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  border-radius: 12px;
  border: 2px solid #E2E8E4;
  background: #FFFFFF;
  padding: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pdp-thumb-btn:hover,
.pdp-thumb-btn.active {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0, 71, 39, 0.18);
  transform: translateY(-1px);
}

.pdp-thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

/* 右側：購買決策區塊 (BUY BOX) */
.pdp-buybox {
  display: flex;
  flex-direction: column;
}

.pdp-product-tagline {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.pdp-title {
  font-size: 2rem;
  font-weight: 700;
  color: #17211C;
  line-height: 1.3;
  margin-bottom: 12px;
}

.pdp-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.pdp-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary);
  background: #E8F4EE;
  padding: 4px 12px;
  border-radius: var(--border-radius-full);
}

/* 價格顯示區 */
.pdp-price-box {
  background: #FBFBFA;
  border: 1px solid #EFEFEA;
  border-radius: 14px;
  padding: 18px 22px;
  margin-bottom: 24px;
}

.price-display-wrap {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}

.pdp-price-current {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-primary);
}

.pdp-price-original {
  font-size: 1.15rem;
  color: #8C9992;
  text-decoration: line-through;
}

.pdp-savings-badge {
  background: var(--color-accent-red);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--border-radius-full);
}

.pdp-unit-price-note {
  font-size: 0.85rem;
  color: #55625B;
}

.pdp-shipping-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: 0.84rem;
  font-weight: 700;
  color: #17211C;
}

.shipping-tag-free {
  background: #FED141;
  color: #1A1A1A;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
}

/* 規格切換按鈕區 (VARIANT SELECTOR) */
.variant-selector-section {
  margin-bottom: 24px;
}

.variant-selector-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #17211C;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
}

.variant-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.variant-card-btn {
  background: #FFFFFF;
  border: 2px solid #DFE5E0;
  border-radius: 12px;
  padding: 12px 14px;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.variant-card-btn:hover {
  border-color: #A3B2A9;
}

.variant-card-btn.active {
  border-color: var(--color-primary);
  background-color: #F8FAF8;
  box-shadow: 0 2px 8px rgba(0, 71, 39, 0.12);
}

.variant-btn-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.variant-btn-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1B2921;
}

.variant-btn-tag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: #E8F4EE;
  color: var(--color-primary);
}

.variant-btn-tag.hot {
  background: var(--color-cta-yellow);
  color: #1A1A1A;
}

.variant-btn-price {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
}

.variant-btn-unit {
  font-size: 0.74rem;
  color: #6D7A73;
}

/* 數量選擇與購買操作列 */
.pdp-action-row {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
}

.pdp-qty-control {
  display: flex;
  align-items: center;
  border: 1.5px solid #DCE3DE;
  border-radius: var(--border-radius-full);
  overflow: hidden;
  background: #FFFFFF;
}

.qty-btn {
  width: 42px;
  height: 48px;
  font-size: 1.2rem;
  font-weight: 600;
  color: #2D3A33;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.qty-btn:hover {
  background: #F3F5F3;
}

.qty-input {
  width: 48px;
  height: 48px;
  text-align: center;
  border: none;
  font-size: 1rem;
  font-weight: 700;
  color: #1A1A1A;
  background: transparent;
  outline: none;
}

.btn-pdp-add-cart {
  flex: 1;
  height: 52px;
  background: var(--color-cta-yellow);
  color: #1A1A1A;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(254, 209, 65, 0.4);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-pdp-add-cart:hover {
  background: #ffda65;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(254, 209, 65, 0.5);
}

/* 禮盒專用：滿 5 盒企業大宗採購導流卡片 (B2B CALLOUT) */
.gift-box-b2b-callout {
  background: #FFFDF5;
  border: 1.5px solid #F5E5B8;
  border-radius: 14px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.b2b-callout-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #4A3508;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.b2b-callout-text {
  font-size: 0.85rem;
  color: #6E5316;
  line-height: 1.6;
  margin-bottom: 12px;
}

.b2b-callout-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.b2b-callout-link:hover {
  color: var(--color-primary-dark);
}

/* 安心保障承諾條 */
.pdp-reassurance-list {
  border-top: 1px solid #EFEFEA;
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.reassurance-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #4A5650;
}

.reassurance-icon {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ==========================================================================
   3. PDP 深度圖文說明區塊 (LONGFORM PRODUCT DETAILS)
   ========================================================================== */
.pdp-details-wrap {
  border-top: 1px solid #EBEFEA;
  padding-top: 56px;
  margin-top: 20px;
}

.pdp-section-header {
  text-align: center;
  margin-bottom: 40px;
}

.pdp-section-title {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.mobile-only {
  display: none;
}

/* 4 大特色橫排卡片網格 */
.pdp-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}

/* 規格與營養標示表格 */
.pdp-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  background: #FBFBFA;
  border: 1px solid #E8ECE8;
  border-radius: 18px;
  padding: 36px;
  margin-bottom: 56px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table th,
.specs-table td {
  padding: 12px 14px;
  font-size: 0.88rem;
  line-height: 1.6;
  border-bottom: 1px solid #EAEFEA;
}

.specs-table th {
  width: 32%;
  color: #4A5650;
  font-weight: 700;
  text-align: left;
  background: #F4F7F4;
}

.specs-table td {
  color: #17211C;
}

/* 營養成分專業標示表 (符合台灣法規標準) */
.nutrition-fact-box {
  background: #FFFFFF;
  border: 2px solid #2D3A33;
  border-radius: 8px;
  padding: 20px 24px;
}

.fact-title {
  font-size: 1.25rem;
  font-weight: 800;
  border-bottom: 5px solid #2D3A33;
  padding-bottom: 4px;
  margin-bottom: 8px;
}

.fact-servings {
  font-size: 0.82rem;
  border-bottom: 1px solid #2D3A33;
  padding-bottom: 6px;
  margin-bottom: 8px;
}

.fact-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid #E5E5DF;
  font-size: 0.86rem;
}

.fact-row.highlight-calcium {
  background: #FFFDF2;
  font-weight: 700;
  color: var(--color-primary);
  padding: 6px 4px;
}

/* ==========================================================================
   4. RWD 手機版響應式斷點 (MEDIA QUERIES <= 768px)
   徹底解決 393px 螢幕寬度擠壓、水平溢出、圖片無法滑動與文字緊張感
   ========================================================================== */
@media (max-width: 768px) {
  body {
    overflow-x: hidden;
  }

  .container {
    padding-left: 18px;
    padding-right: 18px;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
  }

  .mobile-only {
    display: inline;
  }

  .desktop-only {
    display: none !important;
  }

  .products-hero {
    padding: 38px 0 24px;
  }

  .products-hero-title {
    font-size: 1.65rem;
  }

  .products-grid-zenb {
    grid-template-columns: 100%;
    gap: 28px;
    margin: 28px auto 44px;
  }

  .product-card-body {
    padding: 22px 18px;
  }

  .product-card-title {
    font-size: 1.2rem;
  }

  /* 手機版商品卡片價格列：直接分行排列 (價格一行、說明一行)，消除折行擠壓 */
  .product-card-price-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding-top: 14px;
    margin-bottom: 16px;
  }

  .product-card-prices {
    width: 100%;
    gap: 8px;
  }

  .price-main {
    font-size: 1.5rem;
    line-height: 1.1;
  }

  .price-sub-note {
    font-size: 0.85rem;
    line-height: 1.3;
  }

  .b2b-prompt-banner {
    flex-direction: column;
    text-align: center;
    padding: 28px 20px;
    gap: 18px;
    margin-bottom: 48px;
  }

  /* PDP 主展示區塊 (確保兩側留有 18px 呼吸感邊距，徹底消除貼邊感) */
  .pdp-section {
    padding-top: 18px;
    padding-bottom: 48px;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .pdp-main-grid {
    grid-template-columns: 100%;
    gap: 24px;
    margin-bottom: 36px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .pdp-gallery-wrap {
    position: static;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
  }

  .pdp-main-swiper {
    border-radius: 16px;
    margin-bottom: 10px;
    border: 1px solid #E2E8E4;
  }

  .pdp-main-img-box {
    padding: 16px;
  }

  .pdp-swiper-prev,
  .pdp-swiper-next {
    display: none !important;
  }

  .pdp-thumbs-wrap {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    min-width: 0;
  }

  .pdp-thumbs-list {
    gap: 8px;
    padding: 2px 2px 6px;
    width: 100%;
  }

  .pdp-thumb-btn {
    flex: 0 0 58px;
    width: 58px;
    height: 58px;
    border-radius: 10px;
    padding: 4px;
  }

  /* 購買決策區 (BUY BOX) - 給予寬鬆舒適的留白與呼吸感 */
  .pdp-buybox {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 0;
    box-sizing: border-box;
  }

  .pdp-product-tagline {
    font-size: 0.82rem;
    line-height: 1.45;
    margin-bottom: 6px;
  }

  .pdp-title {
    font-size: 1.45rem;
    line-height: 1.35;
    margin-bottom: 12px;
    word-break: break-word;
  }

  .pdp-badges-row {
    gap: 6px;
    margin-bottom: 16px;
  }

  .pdp-badge {
    font-size: 0.72rem;
    padding: 3px 10px;
  }

  .pdp-price-box {
    padding: 16px 18px;
    border-radius: 12px;
    margin-bottom: 20px;
  }

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

  .pdp-price-current {
    font-size: 1.7rem;
  }

  .pdp-price-original {
    font-size: 0.95rem;
  }

  .pdp-unit-price-note {
    font-size: 0.8rem;
    margin-top: 4px;
  }

  .pdp-shipping-note {
    font-size: 0.78rem;
    flex-wrap: wrap;
    margin-top: 6px;
  }

  /* 規格切換卡片 */
  .variant-selector-section {
    margin-bottom: 20px;
  }

  .variant-selector-title {
    font-size: 0.9rem;
    margin-bottom: 10px;
  }

  .variant-grid-4 {
    grid-template-columns: 100%;
    gap: 8px;
    width: 100%;
  }

  .variant-card-btn {
    padding: 12px 14px;
    border-radius: 10px;
    width: 100%;
    box-sizing: border-box;
  }

  .variant-btn-name {
    font-size: 0.92rem;
  }

  .variant-btn-price {
    font-size: 1.05rem;
  }

  /* 數量與加車列 */
  .pdp-action-row {
    gap: 10px;
    margin-bottom: 20px;
    width: 100%;
  }

  .pdp-qty-control {
    flex-shrink: 0;
  }

  .qty-btn {
    width: 36px;
    height: 48px;
    font-size: 1.1rem;
  }

  .qty-input {
    width: 38px;
    height: 48px;
    font-size: 0.95rem;
  }

  .btn-pdp-add-cart {
    height: 48px;
    font-size: 1rem;
    padding: 0 16px;
    flex: 1;
  }

  /* 安心承諾清單 */
  .pdp-reassurance-list {
    padding-top: 16px;
    gap: 10px;
  }

  .reassurance-item {
    font-size: 0.8rem;
    line-height: 1.5;
    gap: 8px;
    align-items: flex-start;
  }

  .reassurance-icon {
    margin-top: 2px;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }

  /* 下方長文細節說明 (LONGFORM) */
  .pdp-details-wrap {
    padding-top: 40px;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
  }

  .pdp-section-header {
    margin-bottom: 24px;
    text-align: center;
  }

  .pdp-section-title {
    font-size: 1.35rem;
    line-height: 1.45;
    margin-bottom: 10px;
  }

  .pdp-features-grid {
    grid-template-columns: 100%;
    gap: 14px;
    margin-bottom: 36px;
    width: 100%;
  }

  .pdp-specs-grid {
    grid-template-columns: 100%;
    padding: 18px 14px;
    gap: 22px;
    border-radius: 14px;
    margin-bottom: 36px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .specs-table {
    table-layout: fixed;
    width: 100%;
  }

  .specs-table th {
    width: 32%;
    font-size: 0.82rem;
    padding: 10px 8px;
    vertical-align: top;
  }

  .specs-table td {
    font-size: 0.82rem;
    padding: 10px 8px;
    word-break: break-word;
  }

  .nutrition-fact-box {
    padding: 16px 14px;
    width: 100%;
    box-sizing: border-box;
  }

  .fact-title {
    font-size: 1.15rem;
  }

  .fact-row {
    font-size: 0.82rem;
  }
}