:root {
  --bg: #ffffff;
  --bg-soft: #f6f6f6;
  --text: #111111;
  --muted: #5b5b5b;
  --border: #bdbdbd;
  --accent: #0a2f5a;
  --accent-soft: #ebeff4;
  --max-width: 980px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover,
a:focus {
  color: #071f3b;
}

img {
  max-width: 100%;
}

.site-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

.site-header {
  padding: 2rem 0 0.8rem;
  margin-bottom: 1.5rem;
}

.site-kicker {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: "Source Sans 3", "Noto Sans SC", "Segoe UI", sans-serif;
}

.site-title {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.15rem);
  font-weight: normal;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: "Orbitron", "Segoe UI", sans-serif;
}

.site-title a {
  color: var(--text);
  text-decoration: none;
}

.site-subtitle {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "Source Sans 3", "Noto Sans SC", "Segoe UI", sans-serif;
}

.site-title-cn,
.home-title-cn {
  margin-left: 0.18em;
  font-size: 0.62em;
  letter-spacing: 0;
  text-transform: none;
  font-family: "STKaiti", "Kaiti SC", "KaiTi", "Noto Serif SC", "Songti SC", serif;
  font-weight: 400;
}

.site-tagline {
  margin: 0.5rem 0 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1rem;
  font-family: "Source Sans 3", "Noto Sans SC", "Segoe UI", sans-serif;
}

.site-nav {
  margin-top: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: "Source Sans 3", "Noto Sans SC", "Segoe UI", sans-serif;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
}

.home-page .site-nav a {
  padding: 0.22rem 0.58rem;
  border: 1px solid #dad6cd;
  background-color: #f8f5ee;
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(242, 237, 227, 0.78)),
    repeating-linear-gradient(135deg, rgba(123, 112, 92, 0.05) 0, rgba(123, 112, 92, 0.05) 2px, rgba(255, 255, 255, 0) 2px, rgba(255, 255, 255, 0) 7px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.home-page .site-nav .nav-home-link {
  display: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}

.home-page .site-nav a:hover,
.home-page .site-nav a:focus,
.home-page .site-nav a[aria-current="page"] {
  border-color: #c5c0b5;
  background-color: #f4f0e7;
}

.section-heading,
.page-title {
  margin: 0 0 0.4rem;
  font-size: 1.7rem;
  font-weight: normal;
}

.home-title {
  margin: 0 0 0.45rem;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "Orbitron", "Segoe UI", sans-serif;
}

.page-intro,
.section-intro,
.meta {
  color: var(--muted);
}

.content-block {
  margin-top: 1rem;
}

.content-block h2,
.content-block h3 {
  font-weight: normal;
}

.home-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, 320px);
  gap: 1.5rem;
  align-items: start;
}

.home-split {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.9fr);
  gap: 2rem;
}

.listing,
.inline-list,
.search-results,
.tag-cloud,
.home-directory {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.listing li,
.search-results li {
  padding: 0.9rem 0;
  border-top: 1px solid var(--border);
}

.listing li:first-child,
.search-results li:first-child {
  padding-top: 0;
  border-top: 0;
}

.listing-numbered {
  list-style: decimal;
  padding-left: 1.25rem;
}

.listing-numbered li {
  padding-left: 0.2rem;
}

.listing-compact li {
  padding: 0.55rem 0;
}

.inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.inline-list a,
.tag-pill {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
}

.listing-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
}

.listing-title-link {
  flex: 1 1 auto;
}

.listing-actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
}

.listing-action-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.35;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.listing-action-link:hover,
.listing-action-link:focus {
  color: var(--accent);
}

.listing-action-separator {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}

.panel,
.search-result {
  padding: 0;
  margin: 0;
  border: 0;
  background: transparent;
}

.panel h2,
.panel h3 {
  margin-top: 0;
  font-weight: normal;
}

.home-section-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "Source Sans 3", "Noto Sans SC", "Segoe UI", sans-serif;
}

.home-directory li {
  padding: 0.3rem 0;
  border-top: 1px solid var(--border);
}

.home-directory li:first-child {
  padding-top: 0;
  border-top: 0;
}

.home-directory a {
  text-decoration: none;
}

.home-directory-note {
  display: block;
  margin-top: 0.1rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-family: "Source Sans 3", "Noto Sans SC", "Segoe UI", sans-serif;
}

.quiet {
  color: var(--muted);
  font-size: 0.95rem;
  font-family: "Source Sans 3", "Noto Sans SC", "Segoe UI", sans-serif;
}

.site-footer {
  margin-top: 3rem;
  padding-top: 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.portrait-card {
  margin: 0;
}

.portrait-image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 22%;
  border: 1px solid var(--border);
  background: var(--bg-soft);
}

.portrait-caption {
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(220px, 320px);
  gap: 2rem;
  align-items: start;
}

.about-copy .content-block {
  margin-top: 0.9rem;
}

.about-aside {
  padding-top: 0.25rem;
}

.bilingual-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
  margin-top: 1rem;
}

.bilingual-pane {
  min-width: 0;
}

.bilingual-pane-en {
  padding-left: 1.5rem;
  border-left: 1px solid #d7d1c5;
}

.bilingual-label {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: "Source Sans 3", "Noto Sans SC", "Segoe UI", sans-serif;
}

.bilingual-pane > :first-child {
  margin-top: 0;
}

.bilingual-notes {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.bilingual-notes ol,
.bilingual-notes ul {
  padding-left: 1.25rem;
}

.portrait-card-about .portrait-image {
  aspect-ratio: 4 / 5;
  object-position: center 18%;
}

pre,
code {
  font-family: "Courier New", monospace;
  font-size: 0.92em;
}

pre {
  overflow-x: auto;
  background: #f7f7f7;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
}

blockquote {
  margin: 1.25rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--border);
  color: var(--muted);
}

.search-form {
  margin: 1.25rem 0;
}

.search-form input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--border);
  background: #ffffff;
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 780px) {
  .home-intro,
  .about-layout,
  .home-split,
  .bilingual-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .portrait-card,
  .about-aside {
    max-width: 320px;
  }

  .bilingual-pane-en {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid #d7d1c5;
    padding-top: 1.2rem;
  }
}

@media (max-width: 640px) {
  html {
    font-size: 17px;
  }

  .site-shell {
    padding-inline: 1rem;
  }

  .site-header {
    padding-top: 1.5rem;
  }

  .listing-title-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .listing-actions {
    justify-content: flex-start;
  }
}