:root{--bg: #f6f8fb;--card: #ffffff;--text: #1a2332;--muted: #5c6b7a;--accent: #2563eb;--border: #e2e8f0;--header: #0f172a}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#f6f8fb;background:var(--bg);color:#1a2332;color:var(--text);line-height:1.6}a{color:#2563eb;color:var(--accent)}.wrap{max-width:920px;margin:0 auto;padding:0 1.25rem}main{padding:2rem 0 3rem;min-height:calc(100vh - 180px)}.site-footer{border-top:1px solid #e2e8f0;border-top:1px solid var(--border);padding:1.5rem 0 2rem;color:#5c6b7a;color:var(--muted);font-size:.92rem}.site-footer a{color:#2563eb;color:var(--accent)}