:root {
  --bg: #f4f0e6;
  --paper: #fbf8f2;
  --ink: #1d1a16;
  --muted: #6d655c;
  --line: #e2d8c8;
  --accent: #8a3d2f;
  --accent-soft: #f3e4dc;
  --code: #2c2824;
  --shadow: 0 18px 40px rgba(60, 42, 24, 0.06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 480px at 10% -10%, #efe4d2 0%, transparent 55%),
    var(--bg);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Noto Serif SC", serif;
  line-height: 1.75;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #5e241b; }

.wrap {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 28px 0 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  letter-spacing: 0.18em;
}

.nav { display: flex; gap: 16px; font-size: 14px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }

.hero { padding: 48px 0 12px; }
.kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
}
h1, h2, h3 { font-weight: 600; letter-spacing: 0.01em; }
h1 { margin: 0 0 14px; font-size: clamp(36px, 6vw, 56px); line-height: 1.15; }
h2 { margin: 2.2em 0 0.6em; font-size: 26px; }
h3 { margin: 1.6em 0 0.4em; font-size: 20px; }
.lead { margin: 0; max-width: 38em; color: #3f3832; font-size: 18px; }

.meta {
  margin-top: 22px;
  color: var(--muted);
  font-size: 14px;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
}

.list { padding: 18px 0 56px; }
.note {
  display: block;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}
.note:hover h2 { color: var(--accent); }
.note h2 { margin: 0 0 6px; font-size: 24px; }
.note p { margin: 0; color: #4a433c; }
.note time {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
  letter-spacing: 0.04em;
}

article.page {
  padding: 36px 0 64px;
}
article.page p { margin: 0.9em 0; }
article.page ul, article.page ol { padding-left: 1.2em; }
article.page li { margin: 0.35em 0; }

pre, code {
  font-family: Consolas, "Sarasa Mono SC", "Source Han Mono", monospace;
  font-size: 0.92em;
}
pre {
  overflow: auto;
  padding: 14px 16px;
  background: #241f1b;
  color: #f6efe6;
  border-radius: 10px;
}
code {
  padding: 0.1em 0.35em;
  background: var(--accent-soft);
  border-radius: 4px;
}
pre code { padding: 0; background: none; color: inherit; }

.callout {
  margin: 1.4em 0;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  box-shadow: var(--shadow);
}

.foot {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
}
.foot p { margin: 6px 0; }
.foot a { color: inherit; }

@media (max-width: 640px) {
  .top { align-items: flex-start; flex-direction: column; }
  .hero { padding-top: 32px; }
}