/* =========================================================
   product-shared.css — 產品單元共用
========================================================= */

.product-page .btn.line.btn-outline-primary {
  border-color: var(--product-primary);
  color: var(--product-primary);
  border-radius: 50px;
  font-weight: 600;
}

.product-page .btn.line.btn-outline-primary:hover {
  color: #ffffff;
  background: var(--product-primary);
  border-color: var(--product-primary);
}

.product-page .module-article.article-white {
  border: 1px solid var(--product-border);
  border-radius: 0.75rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.product-page .module-article .card {
  height: 100%;
  border: 1px solid var(--product-border);
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
}

.product-page .module-article .card-title {
  color: var(--product-primary-deep);
  font-size: 1.05rem;
  font-weight: 700;
}

.product-page .module-article .card-block {
  padding: 1rem 1.25rem 1.25rem;
}

.product-page .module-article .list-unstyled a {
  color: var(--product-primary);
}

.product-page .module-article .list-unstyled a:hover {
  color: var(--product-accent);
}

/* Accordion（待售庫存品等，沿用 tech-accordion 標記） */
.product-page .tech-accordion {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 8px;
}

.product-page .tech-accordion .accord-title {
  position: relative;
  margin: 0;
  padding: 0;
  border: 1px solid var(--product-border);
  background: var(--product-bg-light);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.product-page .tech-accordion .accord-title:has(+ .collapse:not(.show)) {
  margin-bottom: 12px;
  border-radius: 0.75rem;
}

.product-page .tech-accordion .accord-title:has(+ .collapse.show) {
  border-radius: 0.75rem 0.75rem 0 0;
  border-bottom: 0;
  background: linear-gradient(135deg, var(--product-primary), var(--product-accent));
  border-color: transparent;
}

.product-page .tech-accordion .accord-title a.btn-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 14px 18px;
  color: var(--product-primary-deep);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  text-decoration: none;
  border: 0;
}

.product-page .tech-accordion .accord-title:has(+ .collapse.show) a.btn-link {
  color: #ffffff;
}

.product-page .tech-accordion .accord-body {
  padding: 20px;
  background: #ffffff;
  border: 1px solid var(--product-border);
  border-top: 0;
  border-radius: 0 0 0.75rem 0.75rem;
  font-size: 1rem;
  line-height: 1.75;
}

.product-page .tech-accordion .collapse.show {
  margin-bottom: 12px;
}

.product-page .tech-accordion .btn-link i.fa {
  position: static;
  flex-shrink: 0;
  font-size: 1.1rem;
  display: none;
}

.product-page .tech-accordion .btn-link[aria-expanded="true"] i.fa.fa-angle-up {
  display: block;
}

.product-page .tech-accordion .btn-link[aria-expanded="false"] i.fa.fa-angle-down {
  display: block;
}

.product-page .tech-accordion .table .bg-color-main th {
  background: linear-gradient(135deg, var(--product-primary), var(--product-accent));
  color: #ffffff;
}