:root{--bg:#f7f5f0;--fg:#2b2b2b;--muted:#6b6b6b;--accent:#2f5d50;--card:#fffdf9}
*{box-sizing:border-box}body{margin:0;font:17px/1.65 Georgia,"Times New Roman",serif;background:var(--bg);color:var(--fg)}
header{background:var(--accent);color:#fff;padding:28px 16px}header a{color:#fff;text-decoration:none}
header h1{margin:0;font-size:1.7rem;font-weight:normal;letter-spacing:.02em}header p{margin:6px 0 0;opacity:.85;font-size:.95rem}
nav{margin-top:14px;font-size:.95rem}nav a{margin-right:18px;border-bottom:1px solid rgba(255,255,255,.4)}
main{max-width:720px;margin:0 auto;padding:32px 16px}article{background:var(--card);padding:22px 24px;margin-bottom:22px;border:1px solid #e6e1d6}
article h2{margin:0 0 6px;font-weight:normal;font-size:1.35rem}article h2 a{color:var(--accent);text-decoration:none}
time{color:var(--muted);font-size:.9rem}article p{margin:12px 0}
footer{text-align:center;color:var(--muted);font-size:.85rem;padding:24px 16px 40px}
@media (prefers-color-scheme:dark){:root{--bg:#1d1f1e;--fg:#e6e2da;--muted:#a09a90;--accent:#3f7a69;--card:#262927}article{border-color:#333734}}