:root{--brand:#007f67;--ink:#111827;--muted:#4b5563;--line:#e5e7eb;--bg:#ffffff;--soft:#f9fafb}
@media (prefers-color-scheme:dark){:root{--ink:#e5e7eb;--muted:#9ca3af;--line:#374151;--bg:#0b0f0e;--soft:#111827}}
*{box-sizing:border-box}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}
.wrap{max-width:920px;margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:16px;padding-bottom:16px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;text-decoration:none;color:var(--ink)}
.logo img{width:26px;height:26px;display:block}
nav a{margin-left:18px;text-decoration:none;color:var(--muted);font-size:15px}
nav a:hover{color:var(--brand)}
.btn{display:inline-block;background:var(--brand);color:#fff!important;padding:11px 20px;border-radius:8px;font-weight:600;text-decoration:none}
.btn.ghost{background:transparent;color:var(--brand)!important;border:1px solid var(--brand)}
.hero{padding:64px 0 40px}
.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.15;margin:0 0 16px;letter-spacing:-.02em}
.hero p.lead{font-size:19px;color:var(--muted);max-width:640px;margin:0 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin:28px 0}
.card{border:1px solid var(--line);border-radius:12px;padding:20px;background:var(--soft)}
.card h3{margin:0 0 8px;font-size:17px}
.card p{margin:0;color:var(--muted);font-size:15px}
section{padding:44px 0;border-top:1px solid var(--line)}
section h2{font-size:26px;margin:0 0 8px;letter-spacing:-.01em}
section > .wrap > p.sub{color:var(--muted);margin:0 0 20px;max-width:640px}
.plans{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.plan{border:1px solid var(--line);border-radius:12px;padding:22px}
.plan.featured{border-color:var(--brand);border-width:2px}
.plan h3{margin:0 0 4px;font-size:18px}
.plan .who{color:var(--muted);font-size:14px;margin:0 0 14px}
.plan ul{margin:0;padding-left:18px;color:var(--muted);font-size:15px}
.badge{display:inline-block;background:var(--brand);color:#fff;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;margin-bottom:8px}
footer.site{border-top:1px solid var(--line);padding:32px 0;color:var(--muted);font-size:14px}
footer.site a{color:var(--muted);text-decoration:none;margin-right:16px}
footer.site a:hover{color:var(--brand)}
article h1{font-size:30px;letter-spacing:-.02em;margin-bottom:4px}
article h2{font-size:21px;margin-top:32px}
article h3{font-size:17px;margin-top:22px}
article{padding:40px 0 60px}
article table{border-collapse:collapse;width:100%;margin:16px 0;font-size:15px;display:block;overflow-x:auto}
article th,article td{border:1px solid var(--line);padding:8px 10px;text-align:left}
article th{background:var(--soft)}
article blockquote{border-left:3px solid var(--brand);margin:16px 0;padding:8px 16px;color:var(--muted);background:var(--soft)}
article code{background:var(--soft);padding:2px 5px;border-radius:4px;font-size:14px}