/* Keep a 900px desktop canvas; mobile browsers fit it to the screen.
   No initial/maximum scale or user-scalable restriction: pinch zoom stays available. */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  box-sizing: border-box;
  width: 900px;
  margin: 40px auto;
  padding: 0 20px;
  color: #222;
  line-height: 1.5;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ccc;
  padding-bottom: 16px;
  margin-bottom: 24px;
}

header h1 {
  font-size: 26px;
  font-weight: normal;
  margin: 0;
}

header .affiliation {
  color: #1a5276;
  margin-top: 2px;
}

.nav {
  font-size: 16px;
  white-space: nowrap;
}

.nav a {
  color: #1a5276;
  margin-left: 18px;
  text-decoration: none;
}

.nav a:hover {
  text-decoration: underline;
}

.layout {
  display: flex;
  gap: 40px;
}

.sidebar {
  width: 180px;
  flex-shrink: 0;
}

.sidebar img {
  width: 100%;
  border-radius: 2px;
  margin-bottom: 16px;
}

.sidebar-block {
  margin-bottom: 14px;
}

.sidebar-block h3 {
  font-size: 14px;
  font-weight: normal;
  color: #1a5276;
  border-bottom: 1px solid #ddd;
  padding-bottom: 4px;
  margin: 0 0 6px 0;
}

.sidebar-block p {
  font-size: 14px;
  line-height: 1.45;
  margin: 2px 0;
  color: #333;
}

.main {
  flex: 1;
  min-width: 0;
}

.main > p {
  margin-top: 0;
  margin-bottom: 24px;
  line-height: 1.55;
}

h2 {
  font-size: 19px;
  font-weight: normal;
  margin-top: 30px;
  margin-bottom: 12px;
}

.timeline-item {
  margin-bottom: 10px;
}

.timeline-year {
  font-size: 16px;
  font-weight: bold;
  line-height: 1.45;
}

.timeline-desc {
  font-size: 16px;
  line-height: 1.45;
  color: #333;
  margin-left: 16px;
}

a {
  color: #1a5276;
}

.pub-item {
  margin-bottom: 16px;
}

.pub-title {
  font-size: 16px;
  line-height: 1.45;
}

.pub-authors {
  font-size: 14px;
  line-height: 1.45;
  color: #333;
  margin: 2px 0 2px 16px;
}

.pub-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 2px 0 2px 16px;
  font-size: 14px;
  line-height: 1.45;
}

.pub-actions a {
  color: #1a5276;
  text-decoration: none;
}

.pub-actions a:hover {
  text-decoration: underline;
}

.abstract-box {
  display: contents;
}

.abstract-box summary {
  color: #1a5276;
  cursor: pointer;
  list-style: none;
  text-decoration: none;
}

.abstract-box summary:hover {
  text-decoration: underline;
}

.abstract-box summary::-webkit-details-marker {
  display: none;
}

.abstract-box summary::before {
  content: "[";
}

.abstract-box summary::after {
  content: "]";
}

.abstract-text {
  flex-basis: 100%;
  margin-top: 8px;
  padding: 10px 12px;
  font-size: 16px;
  line-height: 1.55;
  color: #333;
  text-align: justify;
  border-left: 2px solid #ddd;
}

.item {
  margin-bottom: 20px;
}

.item-title {
  font-size: 16px;
  font-weight: bold;
  line-height: 1.45;
}

.item-desc {
  font-size: 16px;
  line-height: 1.55;
  color: #333;
  margin: 8px 0 3px 16px;
  text-align: justify;
}

.item-links {
  font-size: 14px;
  line-height: 1.45;
  margin-left: 16px;
}

.item-links a {
  color: #1a5276;
  margin-right: 6px;
}

.section-desc {
  font-size: 16px;
  line-height: 1.55;
  color: #333;
  margin-bottom: 22px;
  text-align: justify;
}

.course-item {
  margin-bottom: 20px;
}

.course-title {
  font-size: 16px;
  font-weight: bold;
  line-height: 1.45;
}

.course-info {
  font-size: 16px;
  line-height: 1.55;
  color: #333;
  margin: 6px 0 0 16px;
}

.course-instructor {
  font-weight: normal;
}

.course-links {
  font-size: 14px;
  line-height: 1.45;
  margin: 3px 0 0 16px;
}

.course-links a {
  color: #1a5276;
  margin-right: 6px;
}

body > h2:first-of-type {
  margin-top: 0;
}

.pub-title,
.course-title,
.item-title {
  font-weight: bold;
}

.data-gallery {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 28px;
  margin-top: 28px;
}

.data-gallery figure {
  margin: 0;
}

.data-gallery img {
  display: block;
  height: 400px;
  width: auto;
}

.data-gallery figcaption {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.45;
  color: #555;
}