*,*:before,*:after{box-sizing:border-box}:root{--ink: #1a1d24;--ink-soft: #54607a;--paper: #f7f8fa;--card: #ffffff;--line: #e2e7f0;--primary: #1e2a4a;--ok: #1a7f4b;--warn: #b45309;--radius: 14px}html{font-size:18px}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.6;color:var(--ink);background:var(--paper);display:flex;min-height:100vh;flex-direction:column}a{color:var(--accent, #2563eb)}h1{font-size:1.8rem;line-height:1.25;color:var(--primary)}h2{font-size:1.3rem;color:var(--primary)}.hub-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 1.2rem;background:var(--card);border-bottom:1px solid var(--line)}.hub-header .logo{font-weight:700;text-decoration:none;color:var(--primary);font-size:1.1rem}.hub-header nav{display:flex;align-items:center;gap:1.1rem}.hub-header nav a{text-decoration:none;color:var(--ink-soft)}.hub-header nav a:hover{color:var(--ink)}.hub-footer{margin-top:auto;display:flex;flex-wrap:wrap;gap:1.2rem;justify-content:center;padding:1.4rem;border-top:1px solid var(--line);font-size:.9rem;color:var(--ink-soft)}.hub-main{width:min(60rem,100% - 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