:root{color-scheme:dark;--bg:#071426;--panel:#102239;--ink:#f2f5fa;--muted:#b8c6d7;--line:#294057;--accent:#8de7db}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-underline-offset:5px}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.skip{position:absolute;top:-100px;left:16px;background:var(--ink);color:var(--bg);padding:10px;z-index:2}.skip:focus{top:12px}header,main,footer{max-width:1180px;margin:auto;padding:0 32px}header{display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:96px;border-bottom:1px solid var(--line)}.brand{font-size:22px;font-weight:750;text-decoration:none;letter-spacing:-.7px}nav{display:flex;gap:24px;flex-wrap:wrap;font-size:14px}.hero{padding:76px 0 44px;max-width:900px}.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:650}h1{font-size:clamp(36px,5vw,64px);line-height:1.14;letter-spacing:-.045em;margin:16px 0 20px}h2{font-size:28px;line-height:1.3;letter-spacing:-.025em}h3{font-size:20px;line-height:1.4;margin:16px 0 8px}p{margin:12px 0}.lead{font-size:19px;color:var(--muted);max-width:780px}.meta{font-size:13px;color:var(--muted)}.filters{display:flex;flex-wrap:wrap;gap:12px;padding:8px 0 36px}.filters a,.button{display:inline-block;text-decoration:none;border:1px solid var(--line);padding:10px 18px;border-radius:8px}.button.primary{background:var(--accent);color:#081a26;border-color:var(--accent);font-weight:650}.buttons{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.group{padding:28px 0 40px;scroll-margin-top:30px}.section-head{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line);margin-bottom:24px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card{padding:26px;background:var(--panel);border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column}.card p{color:var(--muted);font-size:14px}.card .tag{color:var(--accent);font-size:14px}.card>a:last-child{margin-top:auto;padding-top:16px;font-size:14px}.icon{width:56px;height:56px;border-radius:12px;background:#20384d;object-fit:cover}.product-icon{width:80px;height:80px;border-radius:18px}.breadcrumbs{font-size:13px;color:var(--muted);padding-top:26px}.detail{max-width:860px}.detail section{padding:20px 0;border-top:1px solid var(--line);margin:20px 0}.detail ul{padding-left:22px}.detail li{margin:14px 0}.facts{display:grid;grid-template-columns:160px 1fr;gap:8px 24px}.facts dt{color:var(--muted)}.facts dd{margin:0;overflow-wrap:anywhere}.note{border-left:3px solid var(--accent);padding:12px 20px;background:var(--panel);color:var(--muted)}details{padding:18px 0;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:600}details p{color:var(--muted)}.related{padding:36px 0 60px}.related ul{display:flex;gap:24px;flex-wrap:wrap;list-style:none;padding:0}footer{margin-top:40px;padding-top:32px;padding-bottom:36px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}@media(max-width:850px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:580px){header,main,footer{padding-left:20px;padding-right:20px}header{align-items:flex-start;padding-top:22px;padding-bottom:22px;min-height:90px;gap:16px}nav{gap:10px 16px;justify-content:flex-end}.hero{padding-top:48px}.grid{grid-template-columns:1fr}.card{padding:22px}.facts{grid-template-columns:1fr;gap:0}.facts dd{margin-bottom:16px}h1{font-size:40px}.lead{font-size:17px}}