:root{--fg:#1f2937;--bg:#f9fafb;--muted:#6b7280;--link:#2563eb;}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial}
.wrap{max-width:960px;margin:0 auto;padding:24px}
header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e5e7eb}
nav a{margin-left:12px;color:var(--link);text-decoration:none}
.hero{padding:32px 0}
.links{padding-left:18px}
footer{border-top:1px solid #e5e7eb;color:var(--muted)}