:root {
  color-scheme: light dark;
  --bg: #F6F3ED; --text: #15151A; --muted: #66625B; --line: #E1DBD0; --accent: #E8402A;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #15151A; --text: #F6F3ED; --muted: #A29E96; --line: #2C2B30; --accent: #F06A52; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang TC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
}
main { max-width: 680px; margin: 0 auto; padding: 32px 16px 48px; }
a { color: var(--accent); }
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 48px 0 8px; padding-top: 24px; border-top: 1px solid var(--line); }
p, li { overflow-wrap: anywhere; }
ul { padding-left: 1.2em; }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 32px; }
.site-header a.brand { color: inherit; text-decoration: none; font-weight: 700; display: inline-flex; align-items: center; gap: 8px; }
.site-header nav, .site-footer { display: flex; gap: 16px; font-size: 14px; }
.site-header nav a, .site-footer a { color: var(--muted); }
.site-footer { justify-content: center; margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); }
.hero { text-align: center; padding: 18vh 0 10vh; }
.hero p { color: var(--muted); }