:root { --fg: #1d232b; --muted: #5b6673; --line: #e3e7ec; --accent: #2f6fb3; --bg: #fbfcfd; }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.6 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--fg); background: var(--bg); }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding-top: 28px; padding-bottom: 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
header a.brand { font-weight: 700; font-size: 20px; color: var(--fg); text-decoration: none; }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; }
nav a:first-child { margin-left: 0; }
nav a:hover, a { color: var(--accent); }
main { padding-top: 26px; padding-bottom: 40px; }
h1 { font-size: 30px; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 21px; margin: 32px 0 8px; }
.meta { color: var(--muted); font-size: 14px; }
.post { padding: 18px 0; border-bottom: 1px solid var(--line); }
.post h2 { margin: 0 0 4px; }
.post h2 a { color: var(--fg); text-decoration: none; }
code, pre { font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; background: #f0f3f6; border-radius: 4px; }
code { padding: 1px 5px; }
pre { padding: 12px 14px; overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { border-bottom: 1px solid var(--line); padding: 7px 8px; text-align: left; }
footer { color: var(--muted); font-size: 14px; padding-top: 18px; padding-bottom: 36px; border-top: 1px solid var(--line); }