html {
  background: #eeeeee;
}

body {
  margin: 0;
  color: #111111;
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  font-size: 16px;
  line-height: 1.45;
}

a {
  color: #224b8d;
  text-decoration: none;
}

a:hover {
  border-bottom: 1px dotted #777777;
}

.page-shell {
  box-sizing: border-box;
  max-width: 960px;
  min-height: calc(100vh - 60px);
  margin: 30px auto;
  padding: 26px 50px 30px;
  background: #ffffff;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid #c8c8c8;
}

.site-title {
  color: #224b8d;
  font-weight: bold;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  margin-left: auto;
}

.site-nav a {
  font-weight: bold;
}

.language-switch {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  white-space: nowrap;
}

.language-switch a,
.language-switch span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 26px;
  box-sizing: border-box;
  border: 1px solid #b8c7df;
  border-radius: 3px;
  color: #224b8d;
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.85rem;
}

.language-switch .active {
  color: #ffffff;
  background: #527bbd;
  border-color: #527bbd;
}

.language-switch a:hover {
  border-bottom: 1px solid #527bbd;
}

h1,
h2,
h3 {
  color: #527bbd;
  line-height: 1.15;
}

h1 {
  margin: 0 0 0.45em;
  padding-bottom: 0.25em;
  border-bottom: 1px solid #aaaaaa;
  font-size: 1.75rem;
}

.titlebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 16px;
  margin: 0 0 0.9em;
  padding-bottom: 0.32em;
  border-bottom: 1px solid #aaaaaa;
}

.titlebar h1 {
  grid-column: 1;
  min-width: 0;
  margin: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.titlebar .language-switch {
  grid-column: 2;
  justify-self: end;
  margin-top: 0;
}

h2 {
  margin: 1.25em 0 0.55em;
  padding-bottom: 0.22em;
  border-bottom: 1px solid #aaaaaa;
  font-size: 1.25rem;
}

h3 {
  margin: 0.8em 0 0.35em;
  font-size: 1.08rem;
}

p {
  margin: 0 0 0.85em;
}

ul,
ol {
  margin-top: 0.25em;
  margin-bottom: 0.9em;
}

li {
  margin-top: 0.55em;
}

code {
  font-family: Menlo, Monaco, Consolas, monospace;
  font-size: 0.92em;
  background: #f6f8fa;
  border: 1px solid #e2e5e8;
  border-radius: 3px;
  padding: 0.05em 0.25em;
}

pre {
  overflow-x: auto;
  padding: 14px;
  background: #f6f8fa;
  border: 1px solid #e2e5e8;
  border-radius: 4px;
}

pre code {
  padding: 0;
  border: 0;
  background: transparent;
}

img {
  max-width: 100%;
}

.profile-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 30px;
  align-items: start;
  margin-top: 10px;
}

.profile-main h3 {
  margin-top: 0;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 14px;
}

.profile-photo-wrap {
  text-align: right;
}

.profile-photo {
  width: 210px;
  max-height: 280px;
  object-fit: cover;
  border: 1px solid #cccccc;
  box-shadow: 4px 4px 8px #888888;
}

.compact-list {
  padding-left: 1.2em;
}

.timeline-list {
  padding-left: 1.2em;
}

.timeline-date {
  display: inline-block;
  min-width: 155px;
  color: #555555;
}

.muted {
  color: #444444;
}

.opportunity-note {
  margin: 1.15em 0 1.25em;
  color: #c62828;
  font-weight: bold;
}

.category-title {
  color: #c62828;
  border-bottom: none;
}

.publication-list {
  width: 100%;
  border-collapse: collapse;
}

.publication-list td {
  vertical-align: top;
  padding-bottom: 18px;
}

.publication-media {
  width: 206px;
}

.publication-image,
.publication-placeholder {
  display: block;
  width: 185px;
  height: 96px;
  object-fit: cover;
  border: 1px solid #dddddd;
  box-shadow: 4px 4px 8px #888888;
}

.publication-placeholder {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #777777;
  background: #f7f7f7;
  font-size: 0.82rem;
}

.publication-title {
  margin-bottom: 0.2em;
  font-weight: bold;
}

.publication-authors,
.publication-venue,
.publication-summary,
.publication-links {
  margin-bottom: 0.35em;
}

.publication-summary {
  color: #333333;
  font-size: 0.95rem;
}

.section-intro {
  margin-bottom: 1.2em;
}

.post-list {
  padding-left: 0;
  list-style: none;
}

.post-list li {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 18px;
  margin-top: 0;
  padding: 12px 0;
  border-bottom: 1px solid #dddddd;
}

.post-list time {
  color: #555555;
  white-space: nowrap;
}

.post-link {
  font-weight: bold;
}

.post-list p {
  margin: 0.2em 0 0;
  color: #555555;
}

.single-post {
  max-width: 790px;
  margin: 0 auto;
}

.post-meta,
.post-description,
.back-link {
  color: #555555;
}

.draft-label {
  margin-left: 8px;
  color: #c62828;
  font-weight: bold;
}

.post-content {
  margin-top: 1.2em;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 1.03rem;
  line-height: 1.78;
  color: #1d1f23;
}

html[lang="en-US"] .post-content {
  font-family: Charter, "Bitstream Charter", "Source Serif 4", Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  line-height: 1.72;
}

html[lang="zh-CN"] .post-content {
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  letter-spacing: 0;
}

.post-content > :first-child {
  margin-top: 0;
}

.post-content p {
  margin-bottom: 1em;
}

.post-content h2,
.post-content h3,
.post-content h4 {
  margin-top: 1.3em;
}

.post-content h2 {
  font-size: 1.35rem;
}

.post-content h3 {
  font-size: 1.17rem;
}

.post-content h4 {
  color: #333333;
  font-size: 1.04rem;
}

.post-content a {
  text-decoration: underline;
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.16em;
}

.post-content a:hover {
  border-bottom: 0;
}

.post-content ul,
.post-content ol {
  padding-left: 1.35em;
}

.post-content li {
  margin-top: 0.42em;
}

.post-content li > p {
  margin: 0.45em 0;
}

.post-content blockquote {
  margin: 1em 0;
  padding: 0.15em 0 0.15em 1em;
  color: #444444;
  border-left: 3px solid #cccccc;
  background: #fafafa;
}

.post-content blockquote p:last-child {
  margin-bottom: 0;
}

.post-content table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
}

.post-content th,
.post-content td {
  padding: 6px 8px;
  border: 1px solid #dddddd;
}

.post-content pre {
  line-height: 1.55;
}

.post-content .highlight {
  overflow-x: auto;
}

.post-content .highlight pre {
  margin: 0;
}

.post-content img {
  display: block;
  max-width: min(100%, 760px);
  height: auto;
  margin: 1.35em auto;
  border: 1px solid #e4e4e4;
  background: #ffffff;
}

.image-placeholder {
  margin: 1.2em 0;
  padding: 14px 16px;
  border: 1px dashed #b8c7df;
  border-radius: 4px;
  color: #53606f;
  background: #f8fbff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.94rem;
}

.pdf-viewer {
  margin: 1.4em 0;
}

.pdf-viewer__frame {
  width: 100%;
  height: var(--pdf-height, 760px);
  min-height: 520px;
  overflow: hidden;
  border: 1px solid #d8d8d8;
  border-radius: 4px;
  background: #f5f5f5;
}

.pdf-viewer iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.pdf-viewer figcaption {
  margin-top: 0.45em;
  color: #666666;
  font-size: 0.92rem;
  text-align: right;
}

.post-content .MathJax {
  overflow-x: auto;
  overflow-y: hidden;
}

.post-content mjx-container {
  max-width: 100%;
}

.post-content mjx-container[display="true"] {
  overflow-x: auto;
  overflow-y: hidden;
  margin: 1.1em 0;
  padding: 0.25em 0;
}

.post-content mjx-container[jax="CHTML"][display="true"] {
  max-width: 100%;
}

.post-content mjx-container[jax="CHTML"][display="true"] > mjx-math {
  min-width: 0;
}

.site-footer {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 3.5em;
  padding-top: 0.8em;
  border-top: 1px solid #c0c0c0;
  color: #777777;
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .page-shell {
    min-height: 100vh;
    margin: 0;
    padding: 20px;
  }

  .site-header {
    align-items: center;
    flex-direction: row;
    gap: 14px;
  }

  .pdf-viewer__frame {
    height: min(var(--pdf-height, 680px), 72vh);
    min-height: 420px;
  }

  .site-nav {
    justify-content: flex-end;
  }

  .titlebar {
    gap: 10px;
  }

  .profile-section {
    grid-template-columns: 1fr;
  }

  .profile-photo-wrap {
    text-align: left;
  }

  .profile-photo {
    width: 180px;
    max-height: 240px;
  }

  .timeline-date {
    display: block;
    min-width: 0;
    margin-bottom: 2px;
  }

  .publication-list,
  .publication-list tbody,
  .publication-list tr,
  .publication-list td {
    display: block;
    width: 100%;
  }

  .publication-image,
  .publication-placeholder {
    margin-bottom: 10px;
  }

  .post-list li {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .site-footer {
    flex-direction: column;
    gap: 3px;
    text-align: center;
  }
}