.product-page .header { position: relative; background: #101310; }
.product-page [hidden] { display: none !important; }
.product-nav-current { border-bottom: 1px solid var(--color-accent-light); padding-bottom: 6px; }
.product-topline { display: flex; justify-content: space-between; gap: 20px; padding-block: 30px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 12px; font-size: 11px; color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-white); }
.breadcrumbs [aria-current] { color: #eee; }
.product-index { font-size: 10px; color: var(--color-text-muted); letter-spacing: .14em; white-space: nowrap; }
.product-hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 70px; align-items: center; padding-bottom: 64px; }
.product-figure { min-width: 0; }
.product-image-button { position: relative; display: block; width: 100%; border: 1px solid var(--color-border); background: #171a17; overflow: hidden; color: white; }
.product-image-button img { width: 100%; aspect-ratio: 1 / 1; height: auto; object-fit: cover; transition: transform .5s; }
.product-image-button:hover img { transform: scale(1.035); }
.image-expand { position: absolute; inset: auto 18px 18px auto; display: flex; gap: 22px; align-items: center; background: #101310df; border: 1px solid #ffffff30; padding: 9px 14px; font: 10px var(--font-body); }
.image-expand span:last-child { font-size: 19px; }
.product-figure figcaption { margin-top: 12px; font-size: 10px; color: var(--color-text-muted); }
.product-intro .eyebrow { margin-bottom: 26px; }
.product-sector { color: #e2a097; text-transform: uppercase; font-size: 10px; letter-spacing: .16em; }
.product-intro h1 { font-size: clamp(52px, 6vw, 88px); margin: 15px 0 20px; overflow-wrap: anywhere; }
html:lang(zh) .product-intro h1 { font-size: clamp(38px, 4.7vw, 64px); line-height: 1.15; }
.product-tagline { font: 24px/1.35 var(--font-heading); color: #e3e7dc; margin-bottom: 16px; }
.product-description { font-size: 14px; line-height: 1.9; max-width: 490px; }
.product-highlights { display: flex; flex-wrap: wrap; gap: 8px; margin: 25px 0 30px; }
.product-highlights span { border: 1px solid var(--color-border); padding: 5px 10px; font-size: 10px; color: #c1c8ba; }
.product-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; }
.product-note { font-size: 10px; margin-top: 17px; max-width: 430px; }
.product-section-nav { border-block: 1px solid var(--color-border); background: #191e19; }
.product-section-nav .container { display: flex; flex-wrap: wrap; gap: 40px; padding-block: 19px; }
.product-section-nav a { font-size: 12px; }
.product-section-nav a:hover { color: var(--color-accent-light); }
.product-body { display: grid; grid-template-columns: 1.8fr 1fr; gap: 85px; align-items: start; padding-top: 64px; padding-bottom: 80px; }
.product-section { scroll-margin-top: 24px; padding-bottom: 50px; margin-bottom: 50px; border-bottom: 1px solid var(--color-border); }
.product-section:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }
.product-section h2 { font-size: clamp(30px, 3vw, 40px); margin-bottom: 18px; }
.product-section .eyebrow { font-size: 9px; margin-bottom: 20px; }
.section-intro { font-size: 13px; line-height: 1.9; margin-bottom: 28px; }
.application-list { display: grid; gap: 0; }
.application-item { display: grid; grid-template-columns: 30px 1fr; gap: 15px; padding: 22px 0; border-top: 1px solid var(--color-border); }
.application-item > span { color: var(--color-accent-light); font-size: 10px; padding-top: 4px; }
.application-item h3 { font-size: 21px; margin-bottom: 9px; }
.application-item p { font-size: 12px; }
.specification-list > div { display: grid; grid-template-columns: 1fr 1.35fr; gap: 20px; padding: 18px 14px; border-bottom: 1px solid var(--color-border); font-size: 12px; }
.specification-list > div:nth-child(odd) { background: #191e19; }
.specification-list dt { color: #e1e6da; }
.specification-list dd { color: var(--color-text-muted); }
.supply-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 28px; }
.supply-icon { display: block; font: 11px var(--font-body); color: var(--color-accent-light); margin-bottom: 20px; }
.supply-grid h3 { font-size: 21px; margin-bottom: 13px; }
.supply-grid p { font-size: 12px; }
.product-quote-panel { position: sticky; top: 30px; padding: 30px; background: #202720; border: 1px solid var(--color-border); border-top: 2px solid var(--color-accent); }
.product-quote-panel .eyebrow { font-size: 9px; margin-bottom: 22px; }
.product-quote-panel h2 { font-size: 33px; margin-bottom: 15px; }
.product-quote-panel p { font-size: 12px; }
.product-quote-panel ol { list-style: none; counter-reset: checklist; margin: 25px 0; }
.product-quote-panel li { display: flex; gap: 12px; align-items: start; margin-bottom: 14px; font-size: 11px; color: #d0d8c9; }
.product-quote-panel li::before { counter-increment: checklist; content: '0' counter(checklist); color: #e2a097; font-size: 9px; padding-top: 2px; }
.product-direct-contact { display: block; margin: 18px 0 12px; font-size: 11px; overflow-wrap: anywhere; }
.product-quote-panel .text-link { font-size: 11px; }
.related-section { padding: 75px 0; border-top: 1px solid var(--color-border); background: #191e19; }
.related-section .section-title { font-size: 42px; }
.image-dialog { margin: auto; width: min(90vw, 940px); max-height: 94svh; overflow: auto; border: 1px solid var(--color-border); background: #101310; color: #eee; padding: 18px; }
.image-dialog::backdrop { background: #000d; }
.dialog-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 15px; }
.dialog-toolbar h2 { font-size: 22px; }
.dialog-toolbar button { background: #2e352e; color: white; border: 1px solid #ffffff50; padding: 8px 15px; font-size: 12px; }
.image-dialog img { max-height: 70svh; width: 100%; object-fit: contain; }
.image-dialog p { margin-top: 12px; font-size: 11px; }
body.image-open { overflow: hidden; }
.product-page [hidden] { display: none !important; }
#parent-breadcrumb { padding-bottom: 20px; }
.mineral-types { padding-top: 25px; padding-bottom: 85px; }
.product-family .product-figure { display: none; }
.product-family .product-hero { grid-template-columns: 1fr; padding-bottom: 15px; }
.product-family .product-intro { max-width: 760px; }
.mineral-types h2 { font-size: clamp(32px, 5vw, 48px); margin-bottom: 16px; }
.mineral-types .minerals-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 400px)); }
.mineral-type-card { display: block; background: #191e19; border: 1px solid var(--color-border); transition: border-color .2s; }
.mineral-type-card:hover { border-color: var(--color-accent); }
.mineral-type-card img { width: 100%; height: 245px; object-fit: cover; }
.mineral-type-body { padding: 25px; }
.mineral-type-body h3 { font-size: 29px; margin-bottom: 12px; }
.mineral-type-body p { font-size: 13px; margin-bottom: 22px; }
.product-status { padding-block: 100px; min-height: 45vh; }
.product-status h1 { font-size: 40px; margin-bottom: 20px; }
.product-status p { margin-bottom: 20px; }
.product-status a { display: inline-block; margin-top: 18px; }
@media(max-width:1100px) { .product-hero { gap: 35px; } .product-body { gap: 40px; } .product-quote-panel { padding: 24px; } }
@media(max-width:800px) { .product-hero { grid-template-columns: 1fr; gap: 28px; } .product-image-button img { max-height: 520px; object-fit: contain; } .product-intro { max-width: 650px; } .product-body { grid-template-columns: 1fr; } .product-quote-panel { position: static; } .product-tagline { font-size: 24px; } }
@media(max-width:500px) { .product-topline { padding-block: 22px; } .product-index { display: none; } .breadcrumbs { font-size: 10px; gap: 8px; } .product-intro h1 { font-size: 53px; } .product-image-button img { max-height: none; } .product-section-nav .container { gap: 15px; } .product-section-nav a { font-size: 10px; } .product-body { padding-block: 45px; } .supply-grid { grid-template-columns: 1fr; } .product-section { margin-bottom: 35px; padding-bottom: 35px; } .specification-list > div { grid-template-columns: 1fr; gap: 5px; } .related-section .section-title { font-size: 35px; } .related-section .section-header .text-link { margin-top: 20px; display: inline-block; } .image-dialog { width: 94vw; padding: 12px; } }
.mineral-types .minerals-grid.with-galleries { grid-template-columns: minmax(0, 850px); }
.type-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; }
.type-gallery figure { margin: 0; min-width: 0; }
.mineral-type-card .type-gallery img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: contain; }
.type-gallery figcaption { padding: 14px 18px; font-size: 14px; color: #eee; }
.product-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }
.gallery-choice { display: flex; flex-direction: column; gap: 8px; align-items: center; padding: 10px; border: 1px solid var(--color-border); color: #eee; background: #191e19; font: 12px/1.5 var(--font-body); cursor: pointer; }
.gallery-choice[aria-pressed="true"] { border-color: var(--color-accent-light); background: #302422; }
.gallery-choice img { width: 72px; height: 72px; object-fit: contain; }
@media (max-width: 540px) { .type-gallery { grid-template-columns: 1fr; } }