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h2{font-size:clamp(30px,4vw,48px);line-height:1.15;letter-spacing:-.04em;margin-bottom:20px}.hztc-product-legacy h3{font-size:22px;line-height:1.25;margin-bottom:12px}.hztc-product-legacy .lead{font-size:18px;color:#3f454e}.hztc-product-legacy .section-head{display:flex;align-items:end;justify-content:space-between;gap:34px;margin-bottom:38px}.hztc-product-legacy .section-head p:last-child{max-width:580px;color:var(--muted)}.hztc-product-legacy .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}.hztc-product-legacy .filter-btn{border:1px solid var(--line);background:#fff;color:#4b535e;border-radius:999px;padding:10px 18px;font-weight:900;cursor:pointer;transition:.2s}.hztc-product-legacy .filter-btn.active,.hztc-product-legacy .filter-btn:hover{background:var(--red);color:#fff;border-color:var(--red);box-shadow:0 12px 30px rgba(181,0,18,.18)}.hztc-product-legacy .product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.hztc-product-legacy .product-card{background:#fff;border:1px solid rgba(225,229,236,.9);border-radius:24px;overflow:hidden;box-shadow:0 18px 50px rgba(20,30,45,.06);transition:transform .28s,box-shadow .28s,opacity .24s}.hztc-product-legacy .product-card:hover{transform:translateY(-8px);box-shadow:0 28px 76px rgba(20,30,45,.16)}.hztc-product-legacy .product-media{position:relative;overflow:hidden;display:block}.hztc-product-legacy .product-media img{height:215px;width:100%;object-fit:cover;background:#f2f2f2;transition:transform .7s}.hztc-product-legacy .product-card:hover img{transform:scale(1.08)}.hztc-product-legacy .product-media span{position:absolute;right:14px;bottom:14px;color:#fff;background:rgba(181,0,18,.88);border-radius:999px;padding:7px 12px;font-size:12px;font-weight:1000;opacity:0;transform:translateY(8px);transition:.25s}.hztc-product-legacy .product-card:hover .product-media span{opacity:1;transform:translateY(0)}.hztc-product-legacy .product-body{padding:22px}.hztc-product-legacy .product-body small{display:inline-flex;color:var(--red);background:rgba(227,6,19,.08);padding:4px 10px;border-radius:999px;font-weight:1000;margin-bottom:12px}.hztc-product-legacy .product-body p{color:var(--muted);font-size:15px}.hztc-product-legacy .product-card.is-hidden{display:none}.hztc-product-legacy .mini-tags,.hztc-product-legacy .detail-tags{display:flex;gap:10px;flex-wrap:wrap}.hztc-product-legacy .mini-tags i{color:var(--red);border:1px solid rgba(227,6,19,.14);background:rgba(227,6,19,.07);padding:7px 12px;border-radius:999px;font-size:13px;font-style:normal}.hztc-product-legacy .product-detail-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}.hztc-product-legacy .detail-gallery img{width:100%;height:540px;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.hztc-product-legacy .detail-note{margin-top:14px;color:var(--muted);font-size:14px}.hztc-product-legacy .detail-tags span{background:rgba(227,6,19,.08);border:1px solid rgba(227,6,19,.12);color:var(--red);font-weight:900;padding:7px 12px;border-radius:999px;font-size:13px}.hztc-product-legacy .spec-list{display:grid;gap:12px;margin:28px 0}.hztc-product-legacy .spec-list div{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff}.hztc-product-legacy .spec-list b{display:block;color:var(--red);margin-bottom:4px}.hztc-product-legacy .spec-list span{color:var(--muted)}.hztc-product-legacy .detail-actions{display:flex;gap:12px;flex-wrap:wrap}.hztc-product-legacy .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;border:0;cursor:pointer;font-weight:900;transition:transform .24s,box-shadow .24s,background .24s}.hztc-product-legacy .btn:hover{transform:translateY(-2px)}.hztc-product-legacy .btn-primary{color:#fff;background:linear-gradient(135deg,var(--red),var(--red2));box-shadow:0 18px 44px rgba(227,6,19,.26)}.hztc-product-legacy .btn-ghost{color:var(--red);background:rgba(227,6,19,.08)}.hztc-product-legacy .related-links{display:flex;flex-wrap:wrap;gap:12px}.hztc-product-legacy .related-links a{padding:12px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:900;color:#3c434c}.hztc-product-legacy .related-links a:hover{color:#fff;background:var(--red);border-color:var(--red)}.hztc-product-legacy .reveal{opacity:0;transform:translateY(28px);transition:opacity .75s ease,transform .75s ease}.hztc-product-legacy .reveal.visible{opacity:1;transform:none}.hztc-product-legacy .delay-1{transition-delay:.12s}@media (max-width:1100px){.hztc-product-legacy .product-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:860px){.hztc-product-legacy .container{width:min(100% - 28px,var(--container))}.hztc-product-legacy .section{padding:66px 0}.hztc-product-legacy .section-head{display:block}.hztc-product-legacy .product-grid,.hztc-product-legacy .product-detail-grid{grid-template-columns:1fr}.hztc-product-legacy .detail-gallery img{height:360px}}@media (max-width:520px){.hztc-product-legacy h2{font-size:32px}.hztc-product-legacy .product-media img{height:190px}}