:root {
  --paper: #f6f5ef;
  --ink: #202825;
  --muted: #64716a;
  --line: #d6d9d0;
  --accent: #bb3e2b;
  --card: #eceee6;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

.site-header, main, footer { width: min(100% - 48px, 980px); margin-inline: auto; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  border-bottom: 1px solid var(--line);
}

.brand, nav a, footer a { color: inherit; text-decoration: none; }

.brand { font-size: 18px; font-weight: 800; letter-spacing: 2px; }

nav { display: flex; gap: 24px; }
nav a { color: var(--muted); font-size: 14px; }
nav a:hover, footer a:hover, .brand:hover { color: var(--accent); }

.intro { max-width: 800px; padding: 112px 0 76px; }

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.4px;
}

h1, h2, h3 { font-family: Georgia, "Songti SC", serif; font-weight: 500; }
h1 { margin: 0; font-size: clamp(42px, 7vw, 70px); line-height: 1.18; }
h2 { margin: 0; font-size: 32px; }
h3 { margin: 9px 0 14px; font-size: 25px; }
h3 a { color: inherit; text-decoration: none; }
h3 a:hover { color: var(--accent); }

.lede { max-width: 680px; margin: 28px 0 0; color: var(--muted); font-size: 19px; }
.site-tag { display: inline-block; margin: 30px 0 0; padding: 7px 11px; border: 1px solid var(--line); color: var(--muted); font-size: 13px; }

.overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 96px;
  border-block: 1px solid var(--line);
}

.overview div { padding: 25px 20px; }
.overview div + div { border-left: 1px solid var(--line); }
.overview span { display: block; font-family: Georgia, serif; font-size: 30px; }
.overview p { margin: 0; color: var(--muted); font-size: 13px; }

.entries { padding-bottom: 112px; }
.section-title { padding-bottom: 30px; border-bottom: 2px solid var(--ink); }
.section-title > p:last-child { margin: 14px 0 0; color: var(--muted); }

article { display: grid; grid-template-columns: 160px 1fr; gap: 0 30px; padding: 35px 0; border-bottom: 1px solid var(--line); }
.article-meta { display: flex; flex-direction: column; gap: 5px; color: var(--muted); font-size: 13px; }
.article-meta span { color: var(--accent); }
article h3, article p { grid-column: 2; }
article p { max-width: 680px; margin: 0; color: #4f5b55; }

.post {
  max-width: 720px;
  padding: 92px 0 112px;
}

.back-link { color: var(--muted); font-size: 14px; text-decoration: none; }
.back-link:hover { color: var(--accent); }
.post-header { padding: 58px 0 46px; border-bottom: 2px solid var(--ink); }
.post-header h1 { font-size: clamp(38px, 6vw, 60px); }
.post-header .article-meta { display: flex; flex-direction: row; margin-top: 22px; }
.post-content { padding-top: 46px; font-family: Georgia, "Songti SC", serif; font-size: 19px; line-height: 2; }
.post-content p { margin: 0 0 28px; }
.post-content h2 { margin: 54px 0 20px; font-size: 28px; }
.post-note { margin-top: 58px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 14px; }

.about {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  margin-bottom: 96px;
  padding: 54px;
  background: var(--card);
  border-top: 3px solid var(--accent);
}

.about-copy p { margin: 0 0 16px; }
.about-copy p:last-child { margin-bottom: 0; color: var(--muted); }

footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 28px;
  align-items: center;
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

footer div { display: flex; gap: 12px; align-items: center; }
footer strong { color: var(--ink); letter-spacing: 1px; }

@media (max-width: 640px) {
  .site-header, main, footer { width: min(100% - 32px, 980px); }
  .site-header { min-height: 72px; }
  .intro { padding: 78px 0 58px; }
  .lede { font-size: 17px; }
  .overview { margin-bottom: 70px; }
  .overview div { padding: 18px 12px; }
  .overview span { font-size: 24px; }
  .entries { padding-bottom: 70px; }
  article { display: block; padding: 29px 0; }
  .article-meta { flex-direction: row; gap: 12px; }
  .about { display: block; margin-bottom: 70px; padding: 32px 24px; }
  .about-copy { margin-top: 28px; }
  .post { padding: 56px 0 74px; }
  .post-header { padding: 42px 0 34px; }
  .post-content { padding-top: 34px; font-size: 18px; }
  footer { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
}