body { max-width: 760px; margin: 0 auto; padding: 24px 20px 64px; font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.75; color: #222; }
header { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid #ddd; padding-bottom: 12px; margin-bottom: 28px; }
.brand { font-weight: 700; font-size: 20px; color: #111; text-decoration: none; }
nav a { margin-left: 16px; color: #444; text-decoration: none; }
a { color: #1456a0; }
h1 { line-height: 1.4; }
.date { color: #888; font-size: 14px; }
.post-list { padding-left: 20px; }
.post-list li { margin: 8px 0; }
footer { margin-top: 48px; border-top: 1px solid #ddd; padding-top: 12px; color: #888; font-size: 14px; }