:root {
  color-scheme: light;
  --bg: #f7f6f2;
  --text: #22231e;
  --muted: #585950;
  --line: #d9d8cf;
  --accent: #963e2f;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}
* { box-sizing: border-box; }
body { margin: 0; }
header { border-bottom: 1px solid var(--line); }
.bar, main { width: min(100% - 2rem, 49rem); margin-inline: auto; }
header .bar { min-height: 4rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .45rem 1rem; padding-block: .7rem; }
.brand, nav a { display: inline-flex; align-items: center; min-height: 44px; }
.brand { color: var(--text); text-decoration: none; gap: .55rem; font-weight: 700; }
nav { display: flex; flex-wrap: wrap; gap: 0 .85rem; font-size: .9rem; }
nav a[aria-current] { font-weight: 700; }
main { padding-block: clamp(2.4rem, 7vw, 5rem); min-height: 70vh; }
h1, h2 { line-height: 1.25; letter-spacing: -.025em; }
h1 { font-size: clamp(2.15rem, 7vw, 4.2rem); margin: 0 0 1.5rem; }
h2 { font-size: 1.22rem; margin: 2.4rem 0 .65rem; }
p, li { max-width: 44rem; }
p { margin: .6rem 0 1rem; }
ol { padding-left: 1.4rem; }
li { margin-block: .45rem; }
.intro { font-size: 1.16rem; color: var(--muted); max-width: 34rem; }
.eyebrow { color: var(--accent); font-size: .82rem; font-weight: 700; letter-spacing: .06em; margin-bottom: 1rem; }
.actions { display: flex; align-items: center; gap: .6rem 1.1rem; flex-wrap: wrap; margin: 1.7rem 0 3rem; }
a { color: var(--accent); text-underline-offset: .17em; overflow-wrap: anywhere; }
.button { display: inline-block; background: var(--text); color: #fff; padding: .6rem 1rem; border-radius: .6rem; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.skip { position: absolute; transform: translateY(-150%); background: var(--bg); padding: .4rem .7rem; }
.skip:focus { transform: none; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; padding-block: 1rem; }