/* Detail page */
.detail { background: var(--paper); }

.d-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 80px; background: var(--paper);
}
.d-nav-brand { font-family: 'Inter Tight', sans-serif; font-weight: 700; font-size: 28px; letter-spacing: 10px; }
.d-nav-links { display: flex; gap: 32px; }
.d-nav-links a { font-size: 11px; letter-spacing: 2px; color: var(--moss); }
.d-nav-links a.active { color: var(--ink); font-weight: 700; }
.d-nav-lang { font-size: 11px; letter-spacing: 1px; color: var(--moss); font-weight: 500; }
.d-crumb {
  display: flex; justify-content: space-between; padding: 16px 80px;
  font-size: 10px; letter-spacing: 2px; color: var(--moss); font-weight: 500;
}

.d-top {
  display: grid; grid-template-columns: 800px 1fr;
  background: var(--paper); min-height: 720px;
}
.d-gallery { display: flex; gap: 16px; padding: 40px 80px; }
.d-thumbs { display: flex; flex-direction: column; gap: 12px; width: 80px; }
.d-thumb {
  width: 80px; height: 90px;
  background: var(--moss); border: 1px solid var(--stone);
}
.d-thumb:nth-child(2) { background: var(--ink); }
.d-thumb:nth-child(3) { background: var(--stone); }
.d-thumb:nth-child(4) { background: var(--vermilion); }
.d-main-img {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--paper); font-size: 18px; letter-spacing: 1px; font-weight: 500;
  min-height: 600px;
}
.d-main-img small { font-size: 10px; letter-spacing: 4px; opacity: 0.6; margin-top: 12px; }
.d-main-img.placeholder-tone-warm { background: var(--beige); color: var(--ink); }
.d-main-img.placeholder-tone-ink { background: var(--ink); }
.d-main-img.placeholder-tone-beige { background: var(--stone); color: var(--ink); }
.d-main-img.placeholder-tone-vermilion { background: var(--vermilion); }

.d-info { padding: 40px 80px 40px 40px; display: flex; flex-direction: column; gap: 18px; }
.d-info h1 { font-size: 56px; line-height: 1.05; font-weight: 500; }
.d-name-jp { font-size: 16px; color: var(--moss); }
.d-dek { font-size: 14px; line-height: 1.85; color: var(--ink); max-width: 480px; }
.d-specs { display: flex; gap: 32px; padding-top: 16px; }
.d-sp { display: flex; flex-direction: column; gap: 4px; }
.d-sp-v { font-size: 18px; font-weight: 500; }
.d-row { display: flex; flex-direction: column; gap: 8px; padding-top: 16px; }
.d-colors { display: flex; gap: 10px; flex-wrap: wrap; }
.d-color-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border: 1px solid var(--beige);
  font-size: 12px; letter-spacing: 1px; line-height: 1; color: var(--moss);
}
.d-color-dot { width: 13px; height: 13px; display: inline-block; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.18); }
.d-sizes { display: flex; gap: 12px; }
.d-size {
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--beige); font-size: 12px; color: var(--moss);
}
.d-size.active { color: var(--ink); font-weight: 700; border-color: var(--ink); }
.d-btns { display: flex; gap: 12px; padding-top: 24px; flex-wrap: wrap; }

.d-tabs-section {
  background: var(--ink); color: var(--paper); padding: 80px;
}
.d-tab-nav { display: flex; gap: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--moss); margin-bottom: 32px; flex-wrap: wrap; }
.d-tab { font-size: 11px; letter-spacing: 2px; color: var(--moss); font-weight: 500; }
.d-tab.active { color: var(--paper); font-weight: 700; border-bottom: 2px solid var(--vermilion); padding-bottom: 4px; }
.d-tab-body { display: grid; grid-template-columns: 1fr 380px; gap: 80px; }
.d-tab-body p { font-size: 16px; line-height: 1.95; color: var(--paper); max-width: 620px; }
.d-spec-box { display: flex; flex-direction: column; gap: 14px; padding: 24px; border: 1px solid var(--moss); }
.d-spec-row { display: flex; justify-content: space-between; font-size: 13px; }
.d-spec-row > span:first-child { color: var(--stone); font-size: 11px; letter-spacing: 2px; }
.d-price { color: var(--vermilion); font-style: italic; font-weight: 500; }

/* 详情页真实产品图（SEO：可索引 + 带 alt） */
.d-main-img { position: relative; overflow: hidden; }
.d-main-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* 详情页内链（指向工場案内） */
.d-tab-body .d-seo-link {
  grid-column: 1 / -1;
  margin-top: 34px; padding-top: 22px;
  border-top: 1px solid var(--moss);
  font-size: 12px; line-height: 2; color: var(--stone); max-width: 900px;
}
.d-seo-link a { color: var(--paper); border-bottom: 1px solid var(--vermilion); white-space: nowrap; }
.d-seo-link a:hover { color: var(--vermilion); }

.related { padding: 100px 80px 60px; background: var(--paper); }
.related-head {
  display: flex; justify-content: space-between; align-items: end;
  margin-bottom: 32px;
}
.related-head h2 { font-size: 32px; line-height: 1.25; }
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}

@media (max-width: 1024px) {
  .d-top { grid-template-columns: 1fr; }
  .d-tab-body { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}

/* ===== 产品图集（真实图片版）===== */
/* 缩略图改成可点击按钮：点一下切换主图 */
.d-thumb {
  padding: 0; border: 1px solid var(--stone); background: transparent;
  cursor: pointer; overflow: hidden; display: block;
}
.d-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.d-thumb:hover { border-color: var(--ink); }
.d-thumb.active { border-color: var(--vermilion); box-shadow: inset 0 0 0 1px var(--vermilion); }
.d-thumb:nth-child(2), .d-thumb:nth-child(3), .d-thumb:nth-child(4) { background: transparent; }

.d-main-img.has-photo { padding: 0; cursor: zoom-in; }
.d-main-img .d-zoom-hint {
  position: absolute; right: 12px; bottom: 12px; z-index: 2;
  background: rgba(26, 26, 26, 0.62); color: var(--paper);
  font-size: 9px; letter-spacing: 2px; padding: 6px 10px;
  pointer-events: none; opacity: 0; transition: opacity 0.2s;
}
.d-main-img.has-photo:hover .d-zoom-hint { opacity: 1; }

/* 点击主图放大（网购式看图） */
.d-lightbox {
  position: fixed; inset: 0; z-index: 999; display: none;
  background: rgba(16, 16, 16, 0.94);
  align-items: center; justify-content: center;
  padding: 4vh 4vw; cursor: zoom-out;
}
.d-lightbox.open { display: flex; }
.d-lightbox img { max-width: 100%; max-height: 92vh; object-fit: contain; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5); }