.product-index-hero { position: relative; isolation: isolate; overflow: hidden; min-height: 480px; padding: 174px 0 92px; background: var(--navy); color: var(--white); }
.product-index-carousel { position: absolute; z-index: 0; inset: 0 0 0 20%; overflow: hidden; background: var(--navy); mask-image: linear-gradient(90deg, transparent 0%, #000 15%, #000 86%, transparent 100%); -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 15%, #000 86%, transparent 100%); }
.product-index-carousel-slide { position: absolute; inset: -2%; width: 104%; height: 104%; object-fit: cover; object-position: center right; opacity: 0; transform: scale(1.015); transition: opacity 1.6s ease-in-out, transform 7s ease-out; }
.product-index-carousel-slide.is-active { opacity: .82; transform: scale(1); }
.product-index-hero-shade { position: absolute; z-index: 1; inset: 0; pointer-events: none; background: linear-gradient(90deg, #08111f 0%, rgba(8,17,31,.98) 22%, rgba(8,17,31,.78) 43%, rgba(8,17,31,.22) 70%, transparent 100%), linear-gradient(180deg, rgba(8,17,31,.24) 0%, transparent 45%, rgba(8,17,31,.26) 100%); }
.product-index-hero .hero-grid { z-index: 1; right: 42%; mask-image: linear-gradient(to right, #000 0%, #000 50%, transparent 100%); -webkit-mask-image: linear-gradient(to right, #000 0%, #000 50%, transparent 100%); }
.product-index-hero .hero-glow { z-index: 1; }
.product-index-hero-inner { position: relative; z-index: 2; }
.product-index-hero h1 { max-width: 820px; margin: 0; font-family: "Outfit", "Noto Sans TC", "Noto Sans JP", sans-serif; font-size: clamp(48px, 6.2vw, 78px); line-height: 1.06; letter-spacing: -.03em; }
.product-index-hero-inner > p:last-child { max-width: 740px; margin: 26px 0 0; color: rgba(255,255,255,.7); font-size: 18px; }

.product-type-nav { position: sticky; z-index: 10; top: 0; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); box-shadow: 0 8px 24px rgba(20,32,51,.04); backdrop-filter: blur(12px); }
.product-type-nav-inner { min-height: 68px; display: flex; align-items: center; gap: 10px; overflow-x: auto; scrollbar-width: thin; }
.product-type-nav-inner > span { margin-right: 8px; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.product-type-nav a { flex: 0 0 auto; padding: 9px 13px; border: 1px solid #d7d8d5; border-radius: 3px; color: var(--ink); font-size: 13px; font-weight: 700; text-decoration: none; }
.product-type-nav a:hover, .product-type-nav a:focus-visible { border-color: var(--orange); color: var(--orange); }

.product-category-section { padding: 86px 0; }
.product-category-section:nth-of-type(even) { background: #e9e9e4; }
.product-category-heading { max-width: 820px; margin-bottom: 50px; }
.product-category-heading h2 { margin: 0; font-family: "Outfit", "Noto Sans TC", "Noto Sans JP", sans-serif; font-size: clamp(42px, 5vw, 60px); line-height: 1.08; letter-spacing: -.03em; }
.product-category-heading > p:last-child { max-width: 680px; margin: 20px 0 0; color: var(--muted); font-size: 17px; }
.product-type-block { padding: 50px 0; border-top: 1px solid #cfd0cc; scroll-margin-top: 92px; }
.product-type-block:last-child { padding-bottom: 0; }
.product-type-label { margin: 0 0 16px; color: var(--orange); font-family: "Outfit", "Noto Sans TC", sans-serif; font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.product-type-layout { display: grid; grid-template-columns: minmax(240px,.68fr) minmax(0,1.32fr); gap: 70px; align-items: start; }
.product-type-heading { position: sticky; top: 100px; }
.product-type-heading h2 { margin: 0; font-family: "Outfit", "Noto Sans TC", "Noto Sans JP", sans-serif; font-size: clamp(34px, 4vw, 49px); line-height: 1.12; letter-spacing: -.025em; }
.product-type-heading > p:last-child { max-width: 440px; margin: 22px 0 0; color: var(--muted); font-size: 16px; }

.product-listing-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.product-listing-card { min-height: 410px; display: flex; flex-direction: column; overflow: hidden; border: 1px solid #d9dad7; border-top: 4px solid var(--navy); border-radius: 3px; background: rgba(255,255,255,.78); color: var(--ink); text-decoration: none; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.product-listing-card:hover, .product-listing-card:focus-visible { transform: translateY(-4px); border-color: var(--orange); box-shadow: 0 18px 40px rgba(20,32,51,.1); }
.product-listing-image { height: 245px; display: flex; align-items: center; justify-content: center; padding: 26px 28px 14px; }
.product-listing-image img { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 16px 14px rgba(8,17,31,.18)); transition: transform .25s ease; }
.product-listing-card:hover .product-listing-image img { transform: scale(1.025); }
.product-listing-copy { flex: 1; display: flex; flex-direction: column; padding: 22px 24px 24px; border-top: 1px solid #e2e2de; }
.product-listing-code { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin: 0 0 8px; color: var(--orange); font-family: "Outfit", sans-serif; font-size: 12px; font-weight: 700; letter-spacing: .1em; }
.product-listing-code span { padding-left: 9px; border-left: 1px solid #c8c9c5; color: var(--muted); font-size: 10px; letter-spacing: .07em; }
.product-listing-card h3 { margin: 0 0 24px; font-size: 23px; line-height: 1.3; }
.product-listing-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 15px; border-top: 1px solid #e2e2de; font-size: 13px; font-weight: 800; }
.product-listing-link > span { color: var(--orange); font-size: 18px; }

@media (max-width: 900px) {
    .product-type-layout { grid-template-columns: 1fr; gap: 34px; }
    .product-type-heading { position: static; }
    .product-type-heading > p:last-child { max-width: 680px; }
}

@media (max-width: 760px) {
    .product-type-nav { display: none; }
    .product-index-hero { min-height: 430px; padding: 132px 0 66px; }
    .product-index-hero .hero-grid { right: 48%; }
    .product-index-carousel { inset: 0; mask-image: linear-gradient(90deg, transparent 0%, #000 9%, #000 88%, transparent 100%); -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 9%, #000 88%, transparent 100%); }
    .product-index-carousel-slide { object-position: 68% center; }
    .product-index-hero-shade { background: linear-gradient(90deg, rgba(8,17,31,.98) 0%, rgba(8,17,31,.84) 52%, rgba(8,17,31,.28) 100%), linear-gradient(180deg, rgba(8,17,31,.28) 0%, transparent 38%, rgba(8,17,31,.58) 100%); }
    .product-index-hero h1 { font-size: clamp(40px, 12vw, 56px); }
    .product-index-hero-inner > p:last-child { color: rgba(255,255,255,.82); font-size: 16px; }
    .product-category-section { padding: 64px 0; }
    .product-category-heading { margin-bottom: 36px; }
    .product-category-heading > p:last-child { font-size: 16px; }
    .product-type-block { padding: 40px 0; scroll-margin-top: 20px; }
    .product-listing-grid { grid-template-columns: 1fr; }
    .product-listing-card { min-height: 380px; }
    .product-listing-image { height: 240px; }
}

@media (prefers-reduced-motion: reduce) {
    .product-index-carousel-slide { display: none; transition: none; transform: none; }
    .product-index-carousel-slide:first-child { display: block; opacity: .82; }
}

@media print {
    .product-type-nav { display: none; }
    .product-index-carousel, .product-index-hero-shade { display: none; }
    .product-index-hero { padding: 30px 0; background: #fff; color: #000; }
    .product-index-hero-inner > p:last-child { color: #333; }
    .product-type-heading { position: static; }
}