:root{color-scheme:light;--ink:#18202e;--muted:#667085;--blue:#246bfd;--line:#e1e6ed}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f2f4f7;color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}header,main,footer{max-width:1200px;margin:auto}header{height:90px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;border-bottom:1px solid var(--line);font-size:14px}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:19px}.brand img{width:42px;height:42px;object-fit:contain}.hero{padding:84px 32px 72px;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}.eyebrow{font-size:13px;letter-spacing:.05em;color:var(--blue);font-weight:600}h1{font-size:clamp(36px,4.6vw,58px);letter-spacing:-.05em;line-height:1.25;margin:20px 0 24px}h1 span{color:#5d6b80}p{color:var(--muted);font-size:16px;line-height:1.85}.primary{display:inline-flex;gap:30px;align-items:center;background:var(--blue);color:#fff;padding:15px 22px;border-radius:8px;margin-top:18px;transition:background .18s,transform .18s}.primary:hover{background:#1458df;transform:translateY(-2px)}a:focus-visible{outline:3px solid #77a7ff;outline-offset:4px}.note{font-size:12px;color:var(--muted);margin-top:28px;line-height:1.8}.note i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#af7115;margin-right:6px}.art{position:relative;display:grid;place-items:center;aspect-ratio:1}.art img{width:87%;position:relative}.downloads{padding:48px 32px 64px;border-top:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end}h2{font-size:28px;margin:12px 0 20px;letter-spacing:-.03em}.section-head p{font-size:14px}.platforms{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:16px 0 24px}.platform{background:#fff;padding:24px;border-radius:10px;border:1px solid var(--line);min-height:220px;display:flex;flex-direction:column;align-items:start}.platform h3{font-size:19px;margin:0 0 8px}.platform p{font-size:13px;margin:0 0 24px;flex:1}.platform a{font-size:14px;font-weight:600;color:var(--blue);padding:10px 0}.platform .pending{font-size:13px;color:var(--muted);padding:10px 0}.small{font-size:12px;max-width:1000px}.firmware{margin:0 32px 60px;background:#131c2b;color:#f7f9fc;padding:40px;display:flex;justify-content:space-between;gap:32px;border-radius:12px}.firmware p{color:#abb8cb;font-size:14px}.firmware .eyebrow{color:#88adff}.firmware ol{list-style:none;padding:0;margin:0;min-width:220px}.firmware li{padding:18px 0;border-bottom:1px solid #344057;font-size:15px}.firmware b{color:#88adff;font-size:13px;margin-right:24px}footer{border-top:1px solid var(--line);padding:28px 32px;display:flex;gap:24px;justify-content:space-between;color:var(--muted);font-size:12px}.document{max-width:780px;padding:50px 24px}.document h1{font-size:34px}.document h2{font-size:21px;margin-top:30px}.document a{color:var(--blue)}@media(max-width:850px){.hero{padding:48px 24px;grid-template-columns:1fr;gap:32px}.art{width:min(340px,90%);justify-self:center}.platforms{grid-template-columns:1fr 1fr}.section-head{display:block}.firmware{flex-direction:column;margin:0 24px 40px;padding:28px}header{padding:0 24px}.downloads{padding:40px 24px}footer{flex-wrap:wrap;padding:24px}}@media(max-width:420px){.platforms{grid-template-columns:1fr}.platform{min-height:170px}.hero h1{font-size:34px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.primary{transition:none}.primary:hover{transform:none}}
/* Shared download and privacy page refinements. */
header{gap:12px}
.brand{white-space:nowrap}
.brand img{flex-shrink:0}
.header-action{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:8px 0;white-space:nowrap}
.hero>div{min-width:0}
.art img{height:auto;object-fit:contain;display:block}
button:focus-visible{outline:3px solid #77a7ff;outline-offset:4px}
.platforms{grid-template-columns:repeat(4,minmax(0,1fr))}
.platform{min-width:0}
.platform p{overflow-wrap:anywhere}
.platform a{display:inline-flex;align-items:center;min-height:44px}
.loading,.download-error{grid-column:1/-1;font-size:14px;margin:0;padding:24px 0}
.retry{display:block;min-height:44px;margin-top:12px;padding:10px 18px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--blue);font:inherit;cursor:pointer}
.install-notes{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:16px 32px;margin:32px 0 0;padding:0;color:var(--muted);font-size:13px;line-height:1.75}
.install-notes li{min-width:0}
.install-notes strong{display:block;color:var(--ink);margin-bottom:4px}
.install-notes span{overflow-wrap:anywhere}
.small a{color:var(--blue)}
@media(max-width:850px){.platforms{grid-template-columns:1fr 1fr}.install-notes{grid-template-columns:1fr}}
@media(max-width:420px){header{height:80px;padding:0 20px}.brand{font-size:17px;gap:8px}.brand img{width:36px;height:36px}.header-action{font-size:13px;gap:5px}.hero{padding:40px 20px}.downloads{padding:36px 20px}.platforms{grid-template-columns:1fr}.firmware{margin:0 20px 40px;padding:24px}.firmware ol{min-width:0}footer{padding:24px 20px}}