:root{--navy-900:#071226;--navy-800:#0b1b34;--navy-700:#13284a;--navy-600:#1e3a64;--navy-100:#e7ecf5;--teal-600:#0d9488;--teal-500:#14b8a6;--teal-100:#ccfbf1;--teal-50:#effdfa;--bg:#f7f7f3;--surface:#fff;--border:#e5e7eb;--border-strong:#d6d9e0;--text:#0b1b34;--muted:#5b6577;--subtle:#8a93a3;--danger:#c2410c;--danger-bg:#fff4ed;--warn:#a16207;--warn-bg:#fefbe8;--ok:#0f766e;--ok-bg:#effdfa;--info-bg:#eef3fb;--radius:14px;--radius-sm:10px;--shadow-sm:0 1px 2px #0b1b340f;--shadow:0 1px 2px #0b1b340d, 0 8px 24px #0b1b340f;--font:"Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.6}a{color:var(--teal-600);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{letter-spacing:-.01em;margin:0 0 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h2{margin-top:1.6em}.prose h3{margin-top:1.3em}.prose ul{padding-left:1.2em}.prose li{margin-bottom:.35em}details.faq{border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;padding:14px 16px}details.faq+details.faq{margin-top:10px}details.faq summary{cursor:pointer;font-weight:700}details.faq p{color:var(--muted);margin:10px 0 0}.buy-grid{grid-template-columns:minmax(0,1fr);align-items:start;gap:16px;margin-top:16px;display:grid}.buy-summary{box-shadow:var(--shadow);scroll-margin-top:80px}@media (width>=900px){.buy-grid{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}.buy-summary{position:sticky;top:84px}}