:root{--ink:#1f2937;--muted:#6b7280;--accent:#6d28d9;--bg:#ffffff}
*{box-sizing:border-box}body{margin:0;font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;color:var(--ink);background:var(--bg)}
header{border-bottom:1px solid #e5e7eb}.wrap{max-width:820px;margin:0 auto;padding:20px 24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:700;font-size:20px}
.brand img{width:36px;height:36px;border-radius:9px}
main{padding:32px 24px 64px;max-width:820px;margin:0 auto}h1{font-size:34px;margin:0 0 6px}h2{font-size:22px;margin:36px 0 10px}
.meta{color:var(--muted);margin-bottom:28px}a{color:var(--accent)}footer{border-top:1px solid #e5e7eb;color:var(--muted);font-size:14px}
ul{padding-left:22px}li{margin:6px 0}