:root{--primary:#E8890C;--bg:#FFF6EB;--surface:#FFFFFF;--text:#2A1A08;--muted:#7A6247;--border:#E8D2B8}
@media (prefers-color-scheme:dark){:root{--bg:#1B140D;--surface:#261C12;--text:#F6EADB;--muted:#C9B39A;--border:#4A3725}}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
main{max-width:720px;margin:0 auto;padding:28px 16px 48px}
h1{font-size:1.6rem;margin:0 0 4px}h2{font-size:1.15rem;margin-top:1.6rem}
.meta{color:var(--muted);font-size:.9rem}
section{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;margin-top:18px}
a{color:var(--primary)}
nav{font-size:.95rem;margin-bottom:12px}
.btn{display:inline-block;margin:8px 0 0;padding:12px 18px;border-radius:12px;background:var(--primary);color:#fff;text-decoration:none;font-weight:700}