:root { color-scheme: light; --ink:#1c1917; --muted:#57534e; --line:#e7e5e4; --bg:#fafaf9; --card:#fff; }
* { box-sizing: border-box; }
body { margin:0; font:18px/1.7 "Iowan Old Style", Palatino, "Songti SC", serif; color:var(--ink); background:var(--bg); }
header, main, footer { max-width:40rem; margin:0 auto; padding:0 1.25rem; }
header { padding-top:2.5rem; }
a { color:inherit; }
nav a { margin-right:1rem; text-decoration:none; border-bottom:1px solid var(--line); }
h1 { font-weight:500; letter-spacing:-.02em; margin:.4rem 0 0; }
.sub { color:var(--muted); margin-top:.3rem; }
article { background:var(--card); border:1px solid var(--line); padding:1.1rem 1.2rem; margin:1rem 0; }
article h2 { margin:.1rem 0 .4rem; font-size:1.35rem; font-weight:500; }
time, .meta { color:var(--muted); font-size:.9rem; }
footer { color:var(--muted); padding:2rem 1.25rem 3rem; font-size:.9rem; }