:root{--blue-700:#1d4ed8;--blue-600:#2563eb;--blue-100:#dbeafe;--blue-50:#eff6ff;--ink-900:#0f172a;--ink-700:#334155;--ink-500:#64748b;--line:#e2e8f0;--bg:#fff;--bg-alt:#f8fafc;--ok-bg:#ecfdf5;--ok-ink:#047857;--ok-line:#a7f3d0;--warn-bg:#fffbeb;--warn-ink:#b45309;--warn-line:#fde68a;--err-bg:#fef2f2;--err-ink:#b91c1c;--err-line:#fecaca;--radius:10px;--shadow:0 8px 24px #0f172a14;--font:"Segoe UI", system-ui, -apple-system, sans-serif;--flame-red:#ed3419;--flame-orange:#f26b1e;--flame-amber:#f99b1c;--flame-yellow:#fbc01e;--flame-gradient:linear-gradient(180deg, var(--flame-red) 0%, var(--flame-orange) 45%, var(--flame-amber) 72%, var(--flame-yellow) 100%)}*{box-sizing:border-box}body{font-family:var(--font);color:var(--ink-900);background:var(--bg);margin:0;font-size:16px;line-height:1.6}h1,h2,h3,h4{margin:0 0 .6em;line-height:1.25}h1{font-size:2.2rem}h2{margin-top:1.4em;font-size:1.5rem}a{color:var(--blue-600)}code{background:var(--bg-alt);border:1px solid 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