:root {
  --paper: #f7f4ed;
  --rail: #eee9df;
  --ink: #282724;
  --muted: #676057;
  --soft: #847b70;
  --accent: #75543a;
  --accent-soft: #9d7958;
  --line: #c8beb0;
  --line-soft: #d9d0c4;
  --serif: Georgia, "Noto Serif SC", "Songti SC", STSong, serif;
  --sans: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }
a:focus-visible,
button:focus-visible,
summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: -80px;
  left: 16px;
  padding: 8px 12px;
  background: var(--ink);
  color: var(--paper);
}
.skip-link:focus { top: 16px; }

.site-shell {
  width: min(1010px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px minmax(0, 740px);
  gap: 48px;
  align-items: start;
}

.profile-rail {
  position: sticky;
  top: 0;
  align-self: start;
  min-height: 100vh;
  max-height: 100vh;
  overflow-y: auto;
  padding: 42px 28px 28px 0;
  border-right: 1px solid var(--line);
  scrollbar-width: thin;
}

.monogram {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font: 400 11px/1 var(--serif);
  letter-spacing: .12em;
  text-decoration: none;
}

.profile-name {
  margin: 0 0 2px;
  font: 400 24px/1.3 var(--serif);
}

.profile-name-en {
  margin: 0 0 12px;
  color: var(--accent);
  font: italic 14px/1.5 var(--serif);
}

.profile-role {
  margin: 0 0 21px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}

.profile-block {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.profile-label {
  margin: 0 0 7px;
  color: var(--accent-soft);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.profile-block p,
.profile-block a {
  display: block;
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}
.profile-block a { color: var(--accent); text-decoration: none; }
.profile-block a:hover { text-decoration: underline; }

.profile-nav {
  display: grid;
  gap: 3px;
  margin-top: 19px;
  padding-top: 13px;
  border-top: 1px solid var(--line-soft);
}

.profile-nav a {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 3px 0;
  color: #403b36;
  font-size: 10px;
  text-decoration: none;
}
.profile-nav a::after { content: "—"; color: var(--accent-soft); }
.profile-nav a[aria-current="page"] { color: var(--accent); font-weight: 600; }

.profile-foot {
  margin-top: 28px;
  color: var(--soft);
  font-size: 9px;
  line-height: 1.6;
}

.profile-mobile-details,
.mobile-menu-button { display: none; }

.document {
  min-width: 0;
  padding: 56px 0 76px;
}

.document-section {
  margin-bottom: 38px;
  scroll-margin-top: 24px;
}

.document h1 {
  margin: 0 0 16px;
  font: 400 clamp(25px, 3vw, 31px)/1.35 var(--serif);
  letter-spacing: -.02em;
}

.document h2 {
  margin: 0;
  padding-bottom: 8px;
  border-bottom: 1px solid #a99f91;
  font: 400 21px/1.4 var(--serif);
  letter-spacing: -.01em;
}

.document h3 {
  margin: 0 0 5px;
  font: 400 16px/1.5 var(--serif);
}

.lead {
  max-width: 700px;
  margin: 0 0 13px;
  color: #57524b;
  font: 400 15px/1.95 var(--serif);
}

.research-lines {
  margin-top: 22px;
  padding: 1px 0 1px 15px;
  border-left: 2px solid var(--accent-soft);
  color: #4f4a44;
  font-size: 13px;
  line-height: 1.8;
}
.research-lines p { margin: 0 0 7px; }
.research-lines p:last-child { margin-bottom: 0; }
.research-lines strong { margin-right: 8px; color: #654a34; font-weight: 600; }

.dated-entry {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 23px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line-soft);
}

.entry-date {
  padding-top: 3px;
  color: var(--soft);
  font-size: 10px;
  line-height: 1.6;
}

.entry-role,
.entry-meta {
  margin: 0 0 6px;
  color: var(--accent-soft);
  font-size: 10px;
  line-height: 1.55;
}

.entry-content > p,
.prose p {
  margin: 0 0 11px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}
.entry-content > p:last-child,
.prose p:last-child { margin-bottom: 0; }

.nested-entries {
  display: grid;
  gap: 12px;
  margin-top: 13px;
  padding-left: 16px;
  border-left: 1px solid #bbaa97;
}

.nested-entry strong {
  display: inline;
  color: #35312d;
  font: 400 14px/1.55 var(--serif);
}
.nested-entry p {
  display: inline;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.status-note {
  display: inline-block;
  margin-top: 4px;
  color: var(--accent);
  font-size: 10px;
  line-height: 1.5;
  border-bottom: 1px solid #bca38d;
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 18px;
  margin-top: 11px;
}
.inline-links a { font-size: 11px; }

.plain-list,
.honors-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.honors-list { columns: 2; column-gap: 36px; }
.plain-list li,
.honors-list li {
  position: relative;
  break-inside: avoid;
  margin-bottom: 8px;
  padding-left: 13px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}
.plain-list li::before,
.honors-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--accent-soft);
}

.subsection {
  margin-top: 30px;
}
.subsection h2 { font-size: 19px; }
.subsection h3 { margin-top: 22px; }

.evidence-note {
  margin: 17px 0;
  padding: 2px 0 2px 14px;
  border-left: 2px solid var(--accent-soft);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}
.evidence-note strong { color: var(--ink); }

.data-table {
  width: 100%;
  margin: 16px 0 18px;
  border-collapse: collapse;
  color: var(--muted);
  font-size: 11px;
}
.data-table th,
.data-table td {
  padding: 8px 9px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
}
.data-table th { color: var(--ink); font-weight: 600; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 11px;
  margin-top: 10px;
  color: var(--soft);
  font-size: 10px;
}

.note-index { margin-top: 4px; }
.note-entry {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 21px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-soft);
}
.note-entry time { color: var(--soft); font-size: 10px; }
.note-entry h2 { padding: 0; border: 0; font-size: 17px; }
.note-entry p { margin: 5px 0 0; color: var(--muted); font-size: 12px; line-height: 1.75; }

.resume-section { margin-bottom: 32px; }
.resume-section h2 { margin-bottom: 2px; }
.skill-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 28px;
  margin-top: 12px;
}
.skill-group { padding: 10px 0; border-bottom: 1px solid var(--line-soft); }
.skill-group strong { display: block; margin-bottom: 3px; font: 400 13px var(--serif); }
.skill-group span { color: var(--muted); font-size: 11px; line-height: 1.7; }
.print-action { margin: 0 0 24px; }
.text-button {
  padding: 7px 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--accent);
  font: 500 11px var(--sans);
  cursor: pointer;
}

.endnote {
  margin: 42px 0 0;
  padding-top: 11px;
  border-top: 1px solid var(--line-soft);
  color: var(--soft);
  font-size: 9px;
  line-height: 1.65;
}

.not-found { padding-top: 90px; }
.not-found h1 { margin-bottom: 9px; }
.not-found p { color: var(--muted); }

@media (max-width: 759px) {
  .site-shell {
    width: 100%;
    display: block;
  }

  .profile-rail {
    position: static;
    min-height: 0;
    max-height: none;
    overflow: visible;
    padding: 17px 18px 14px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: var(--rail);
  }

  .profile-top {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
  }

  .monogram { width: 40px; height: 40px; margin: 0; }
  .profile-name { font-size: 18px; }
  .profile-name-en { margin: 0; font-size: 11px; }
  .profile-role { grid-column: 2 / -1; margin: 8px 0 0; font-size: 10px; }
  .profile-desktop-details,
  .profile-foot { display: none; }

  .profile-mobile-details { display: block; margin: 10px 0 0 52px; }
  .profile-mobile-details summary { color: var(--accent); font-size: 10px; cursor: pointer; }
  .profile-mobile-details .profile-block { margin-top: 9px; }

  .mobile-menu-button {
    display: block;
    align-self: start;
    padding: 6px 8px;
    border: 1px solid #b8aa99;
    background: transparent;
    color: var(--accent);
    font: 600 9px var(--sans);
    letter-spacing: .06em;
    cursor: pointer;
  }

  .profile-nav {
    display: none;
    margin: 12px 0 0 52px;
    padding-top: 10px;
  }
  .profile-nav.is-open { display: grid; }

  .document { padding: 30px 19px 55px; }
  .document-section { margin-bottom: 33px; }
  .document h1 { font-size: 25px; }
  .lead { font-size: 14px; }
  .research-lines { font-size: 12px; }

  .dated-entry,
  .note-entry {
    grid-template-columns: 1fr;
    gap: 5px;
    padding: 16px 0;
  }
  .entry-date { padding: 0; }
  .honors-list { columns: 1; }
  .skill-groups { grid-template-columns: 1fr; }

  .data-table { display: block; overflow-x: auto; white-space: nowrap; }
}

@media print {
  @page { margin: 16mm; }
  body { background: #fff; color: #000; font-size: 10.5pt; }
  .site-shell { display: block; width: 100%; }
  .profile-rail,
  .print-action,
  .skip-link { display: none !important; }
  .document { max-width: none; padding: 0; }
  .document-section,
  .resume-section,
  .dated-entry { break-inside: avoid; }
  .document h1 { font-size: 20pt; }
  .document h2 { font-size: 14pt; }
  a { color: #000; text-decoration: none; }
}