:root{--bg: #edf0f3;--surface: #ffffff;--surface-2: #f6f8fa;--ink: #14202b;--muted: #5c6b7a;--line: #d6dde4;--accent: #2f5bea;--accent-soft: #e4eaff;--wa: #0f8a6b;--em: #a85a12;--push: #6b3fbf;--ok: #147a4b;--bad: #b3261e;--radius: 8px;--radius-lg: 14px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--accent)}h1,h2,h3{margin:0 0 .35em;line-height:1.2;letter-spacing:-.01em}h1{font-size:1.6rem;font-weight:700}h2{font-size:1.15rem;font-weight:600}p{margin:0 0 1em}.muted{color:var(--muted)}.small{font-size:.85rem}.topbar{background:var(--ink);color:#f2f5f8;padding:12px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}.topbar .brand{font-weight:700;letter-spacing:-.02em}.topbar nav{display:flex;gap:6px;flex-wrap:wrap}.topbar nav a{color:#c4d0dc;text-decoration:none;padding:6px 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