.product-hero{padding:5rem 0;background:linear-gradient(135deg,#f8fbfd,#eaf3f7)}.product-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.product-hero h1{font-size:clamp(3rem,7vw,6rem);line-height:.95;margin:.2rem 0 1.2rem;letter-spacing:-.05em}.lead{font-size:1.2rem;color:var(--muted);max-width:650px}.detail-visual{background:#fff;border-radius:32px;min-height:420px;display:grid;place-items:center;box-shadow:var(--shadow);padding:2rem}.detail-window{width:72%;aspect-ratio:1.2;border:18px solid #e9edf0;background:linear-gradient(145deg,#d8eaf2,#f8fcfd);position:relative;box-shadow:inset 0 0 0 2px #aab8c2}.detail-window:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:8px;background:#e2e7ea;transform:translateX(-50%)}.detail-window span{position:absolute;width:14px;height:64px;border-radius:8px;background:var(--blue);right:12px;top:50%;transform:translateY(-50%)}.detail-window-wide{aspect-ratio:1.55}.detail-window-contact{aspect-ratio:1}.detail-window-contact:before{left:8%;right:8%;top:8%;bottom:8%;width:auto;border:5px solid #d7dee3;background:transparent;transform:none}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}.feature-card{padding:1.7rem;border:1px solid var(--line);border-radius:24px;background:#fff}.feature-card strong{font-size:2rem;color:var(--blue)}.feature-card h3{margin:.4rem 0}.feature-card p{color:var(--muted)}.spec-layout{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}.spec-list{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden}.spec-list div{display:flex;justify-content:space-between;gap:1rem;padding:1.1rem 1.3rem;border-bottom:1px solid var(--line)}.spec-list div:last-child{border-bottom:0}.spec-list span{color:var(--muted)}.product-link{transition:.2s ease}.product-link:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(10,71,113,.12)}.text-link{display:inline-block;margin-top:.65rem;color:var(--blue);font-weight:800}@media(max-width:900px){.product-detail-grid,.feature-grid,.spec-layout{grid-template-columns:1fr}.product-detail-grid{gap:2rem}.detail-visual{min-height:320px}}@media(max-width:560px){.product-hero{padding:3.5rem 0}.detail-visual{min-height:260px;padding:1.2rem}.detail-window{border-width:12px}.spec-list div{flex-direction:column;gap:.2rem}}