body {
  max-width: none;
  margin: 40px auto;
  padding: 0 24px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
  color: #222;
  background: #fff;
}

header {
  margin-bottom: 2em;
}

h1 {
  font-size: 2.2em;
  margin-bottom: 0.2em;
}

h2 {
  margin-top: 2em;
  border-bottom: 1px solid #ddd;
  padding-bottom: 0.2em;
}

a {
  color: #0645ad;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

nav {
  margin-top: 1.5em;
  margin-bottom: 2em;
}

nav a {
  display: inline-block;
  margin-right: 0.6em;
  padding: 0.35em 0.8em;
  border: 1px solid #0645ad;
  border-radius: 999px;
  color: #0645ad;
  font-weight: 600;
  text-decoration: none;
}

nav a:hover {
  background: #dbeafe;
  color: #0645ad;
  text-decoration: none;
}

nav a.active {
  background: #0645ad;
  color: #fff;
  border-color: #0645ad;
  font-weight: 700;
}

nav a.active:hover {
  background: #0645ad;
  color: #fff;
  border-color: #0645ad;
  text-decoration: none;
}

.subtitle {
  color: #555;
  margin-top: 0;
}

.paper-list,
.talk-list {
  padding-left: 1.5em;
}

.paper-list li,
.talk-list li {
  margin-bottom: 1.2em;
}

.paper-title,
.talk-title {
  font-weight: 600;
}

.meta {
  color: #555;
}

footer {
  margin-top: 3em;
  padding-top: 1em;
  border-top: 1px solid #ddd;
  color: #666;
  font-size: 0.9em;
}