:root{--ink:#12141c;--ink2:#4b5265;--ink3:#8b92a6;--paper:#ffffff;--paper2:#f4f6fa;--border:#e4e8f0;--accent:#2563eb;--accent-dark:#1e50c4;--success:#16a34a;--warning:#d97706;--danger:#dc2626;--radius:12px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6;font-size:16px}a{color:var(--accent)}.wrap{max-width:1060px;margin:0 auto;padding:0 24px}nav{position:-webkit-sticky;position:sticky;top:0;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:50}nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}.logo{font-weight:800;font-size:19px;color:var(--ink);text-decoration:none}.logo span{color:var(--accent)}nav .links{display:flex;gap:22px;align-items:center}nav .links 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