/* 可重複使用的產品頁；於既有樣式後載入，不改動舊 CSS。 */
.product-detail { color: #202020; padding: 42px 0 80px; font-size: 17px; line-height: 1.8; }
.product-detail .container { max-width: 1320px; }
.product-detail a:focus-visible { outline: 3px solid #c41e1f; outline-offset: 5px; }
.pd-breadcrumb ol { display: flex; flex-wrap: wrap; gap: 7px 12px; list-style: none; padding: 0; margin: 0 0 34px; font-size: 14px; color: #666; }
.pd-breadcrumb li + li::before { content: '/'; margin-right: 12px; color: #999; }
.pd-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding-bottom: 55px; }
.pd-image { display: block; background: #fff; border: 1px solid #eee; border-radius: 10px; padding: 24px; }
.pd-image img { display: block; width: 100%; height: auto; }
.product-detail .pd-eyebrow { color: #b71e20; font-size: 13px; font-weight: 700; letter-spacing: .13em; margin: 0 0 12px; }
.product-detail h1 { font-size: clamp(30px, 3vw, 46px); line-height: 1.2; font-weight: 700; margin: 0 0 15px; overflow-wrap: anywhere; }
.product-detail h2 { font-size: 30px; font-weight: 700; margin: 0 0 28px; }
.product-detail h3 { font-size: 22px; font-weight: 700; margin: 0 0 14px; }
.product-detail .pd-lead { font-size: 22px; margin-bottom: 14px; }
.pd-category { color: #777; margin-bottom: 30px; }
.pd-highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; border-top: 1px solid #ddd; padding: 22px 0; margin-top: 26px; }
.pd-highlights strong { display: block; font-size: 27px; line-height: 1.4; }
.pd-highlights span { font-size: 13px; color: #666; }
.pd-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.product-detail .pd-button { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; min-height: 48px; border: 1px solid #c41e1f; border-radius: 30px; background: #c41e1f; color: #fff; font-size: 16px; }
.product-detail .pd-button-outline { background: white; color: #b51d1e; }
.product-detail .pd-button:hover { background: #981819; color: #fff; }
.product-detail .pd-note { font-size: 14px; color: #666; margin: 18px 0; line-height: 1.8; }
.pd-sections { display: flex; flex-wrap: wrap; border-top: 1px solid #ddd; border-bottom: 1px solid #ddd; gap: 12px 40px; padding: 18px 0; }
.pd-sections a { font-weight: 700; padding: 5px 0; }
.pd-section { padding: 60px 0; border-bottom: 1px solid #e5e5e5; scroll-margin-top: 160px; }
.pd-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 35px; }
.pd-number { font-size: 15px; color: #c41e1f; display: block; margin-bottom: 18px; }
.pd-feature p { margin: 0; color: #555; }
.pd-spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.pd-table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 15px; }
.pd-table caption { caption-side: top; text-align: left; font-size: 20px; font-weight: 700; color: #202020; padding: 0 0 18px; }
.pd-table th, .pd-table td { text-align: left; vertical-align: top; padding: 13px 15px; border-bottom: 1px solid #e0e0e0; overflow-wrap: anywhere; }
.pd-table th { width: 43%; font-weight: 400; color: #555; background: #f7f7f7; }
.product-detail .pd-text-link { color: #b71e20; text-decoration: underline; text-underline-offset: 4px; }
.pd-gallery { margin: 0; text-align: center; background: #fafafa; padding: 25px; border-radius: 10px; }
.pd-gallery img { width: 100%; max-width: 520px; height: auto; }
.pd-gallery figcaption { font-size: 14px; color: #666; margin-top: 15px; }
.pd-brand { display: grid; grid-template-columns: 1.2fr 1fr; gap: 70px; border-bottom: 0; padding-bottom: 0; }
.pd-official a { display: block; border-bottom: 1px solid #ddd; padding: 14px 0; }
@media (max-width: 991px) {
 .pd-hero { gap: 30px; } .pd-features { gap: 24px; } .pd-spec-grid { gap: 24px; }
}
@media (max-width: 767px) {
 .product-detail { padding: 24px 0 45px; font-size: 16px; }
 .pd-breadcrumb ol { font-size: 12px; margin-bottom: 24px; gap: 5px 8px; }
 .pd-breadcrumb li + li::before { margin-right: 8px; }
 .pd-hero, .pd-features, .pd-spec-grid, .pd-brand { grid-template-columns: 1fr; gap: 28px; }
 .pd-hero { padding-bottom: 28px; } .pd-image { padding: 16px; }
 .pd-image img { max-height: 380px; object-fit: contain; }
 .product-detail h2 { font-size: 26px; margin-bottom: 22px; } .product-detail h3 { font-size: 20px; }
 .pd-category { margin-bottom: 22px; } .pd-highlights strong { font-size: 24px; }
 .pd-sections { gap: 0; justify-content: space-between; font-size: 14px; }
 .pd-section { padding: 35px 0; scroll-margin-top: 95px; }
 .pd-table th, .pd-table td { padding: 12px 10px; }
 .pd-gallery { padding: 15px; } .pd-brand { padding-bottom: 0; }
}