:root{--bg:#fff;--ink:#0a0a0a;--mut:#666;--line:#e7e7e7;--surf:#fafafa;--acc:#0a66ff}
@media(prefers-color-scheme:dark){:root{--bg:#09090b;--ink:#fafafb;--mut:#a1a1aa;--line:#27272a;--surf:#121214;--acc:#4d94ff}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.62 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
header{border-bottom:1px solid var(--line);position:sticky;top:0;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(8px);z-index:9}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
nav{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding:14px 0;font-size:14px}
nav .brand{font-weight:700;letter-spacing:-.02em;margin-right:auto;color:var(--ink)}
.hero{padding:60px 0 36px}h1{font-size:clamp(30px,5vw,50px);line-height:1.05;letter-spacing:-.03em;margin:0 0 16px;font-weight:800}
h2{font-size:clamp(22px,3vw,30px);letter-spacing:-.02em;margin:44px 0 12px}h3{margin:24px 0 8px;letter-spacing:-.01em}
.lead{font-size:19px;color:var(--mut);max-width:740px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:24px 0}
.card{border:1px solid var(--line);border-radius:14px;padding:20px;background:var(--surf)}
.card h3{margin-top:0}.tag{display:inline-block;font-size:12px;color:var(--mut);border:1px solid var(--line);border-radius:999px;padding:2px 10px;margin-bottom:8px}
table{border-collapse:collapse;width:100%;margin:18px 0;font-size:14.5px;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}th{background:var(--surf);font-weight:600}
code{background:var(--surf);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:13px}
pre{background:var(--surf);border:1px solid var(--line);border-radius:12px;padding:16px;overflow:auto;font-size:13.5px}
.cta{display:inline-block;background:var(--ink);color:var(--bg);padding:11px 20px;border-radius:999px;font-weight:600;margin:6px 10px 6px 0}.cta:hover{text-decoration:none;opacity:.9}
footer{border-top:1px solid var(--line);margin-top:56px;padding:28px 0;color:var(--mut);font-size:14px}
.faq{border-bottom:1px solid var(--line);padding:18px 0}.faq b{display:block;margin-bottom:6px;font-size:17px}