:root {
  --bg: #f5f0e7;
  --paper: #fbf8f2;
  --ink: #201c18;
  --muted: #6c645b;
  --line: rgba(32, 28, 24, 0.14);
  --accent: #8b4a1f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(139, 74, 31, 0.08), transparent 28%),
    linear-gradient(180deg, #f2ecdf 0%, var(--bg) 34%, #f7f2ea 100%);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration-color: rgba(139, 74, 31, 0.45);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 80px;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 8px 0 28px;
  border-bottom: 1px solid var(--line);
}

.site-identity {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

.site-note,
.eyebrow,
.article-meta {
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.site-note,
.article-meta {
  font-size: 0.88rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.92rem;
}

.site-nav a {
  text-decoration: none;
}

.hero {
  padding: 54px 0 38px;
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.82rem;
  text-transform: uppercase;
}

.hero h1,
.article-header h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 5.1rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.lede,
.subtitle {
  max-width: 700px;
  margin: 18px 0 0;
  font-size: clamp(1.05rem, 2.1vw, 1.35rem);
  color: #403a34;
}

.lede.small {
  font-size: 1.02rem;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(32, 28, 24, 0.16);
  background: rgba(251, 248, 242, 0.86);
  text-decoration: none;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.92rem;
}

.button-link.secondary {
  background: transparent;
}

.profile-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.9fr);
  gap: 28px;
  padding: 26px 0 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.profile-intro h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.profile-copy p:last-child {
  margin-bottom: 0;
}

.actor-callout {
  margin: 16px 0 0;
  padding: 16px 18px;
  border: 1px solid rgba(32, 28, 24, 0.14);
  background: rgba(251, 248, 242, 0.72);
  border-radius: 14px;
}

.actor-callout p {
  margin: 0;
  font-size: 1rem;
  color: #3f3933;
}

.actor-callout p + p {
  margin-top: 10px;
}

.profile-badges {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 10px;
  padding-top: 6px;
}

.profile-badges a {
  text-decoration: none;
}

.profile-badges img {
  display: block;
  height: 24px;
}

.language-panel {
  padding: 24px 0 34px;
  border-top: 1px solid var(--line);
}

.language-copy {
  max-width: 760px;
}

.language-copy h2 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.language-copy p:last-child {
  margin-bottom: 0;
}

.post-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.post-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.post-meta {
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--muted);
  font-size: 0.88rem;
}

.post-copy h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.15;
}

.post-copy p {
  margin: 10px 0 0;
  color: #4b443c;
}

.article {
  padding-top: 42px;
}

.article-header {
  max-width: 860px;
  margin-bottom: 30px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.article-body {
  width: min(760px, 100%);
  padding: 28px 0 0;
}

.article-body h2,
.article-body h3 {
  margin: 1.85em 0 0.55em;
  line-height: 1.15;
}

.article-body p,
.article-body li,
.article-body blockquote {
  font-size: 1.08rem;
}

.article-body ul,
.article-body ol {
  padding-left: 1.25rem;
}

.article-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.98rem;
}

.article-body th,
.article-body td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.article-body code {
  padding: 0.1rem 0.35rem;
  background: rgba(32, 28, 24, 0.06);
  border-radius: 4px;
}

.article-body img {
  max-width: 100%;
}

.zh-doc-body > h1:first-child {
  display: none;
}

.en-doc-body > h1:first-child {
  display: none;
}

.article-body pre {
  overflow-x: auto;
  padding: 14px 16px;
  background: rgba(32, 28, 24, 0.05);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.article-body pre code {
  background: transparent;
  padding: 0;
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 24px, 1120px);
    padding-top: 18px;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .site-nav {
    gap: 12px;
  }

  .hero {
    padding-top: 34px;
  }

  .profile-intro {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .post-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .article-body p,
  .article-body li,
  .article-body blockquote {
    font-size: 1rem;
  }
}