:root {
  --text: #222222;
  --muted: #666666;
  --link: #1772d0;
  --rule: #dddddd;
  --soft: #f3f3f3;
  --page: 920px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #ffffff;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: #f09228;
  text-decoration: none;
}

.page {
  max-width: var(--page);
  margin: 0 auto;
  padding: 42px 22px 56px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 34px;
  align-items: start;
  margin-bottom: 28px;
}

h1 {
  margin: 0 0 18px;
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.2;
}

h1 span {
  color: var(--muted);
  font-size: 1.2rem;
}

h2 {
  border-bottom: 1px solid var(--rule);
  margin: 34px 0 15px;
  padding-bottom: 5px;
  font-size: 1.25rem;
  font-weight: 400;
}

h3 {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 700;
}

h3:not(.project-card h3) {
  margin: 24px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule);
  font-size: 1.1rem;
  color: var(--muted);
}

h4 {
  margin: 0 0 6px;
  font-size: 1.1rem;
  font-weight: 700;
}

p {
  margin: 0 0 12px;
}

em {
  font-style: italic;
}

.links {
  margin-top: 14px;
  text-align: center;
}

.links span {
  color: var(--muted);
  margin: 0 6px;
}

.portrait {
  width: 190px;
  height: 230px;
  border-radius: 2px;
  display: block;
  object-fit: cover;
  object-position: 70% 48%;
}

.paper,
.item {
  margin-bottom: 20px;
}

.item h4 {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 700;
}

.paper-title {
  margin-bottom: 4px;
  font-weight: 700;
}

.authors,
.venue,
.meta {
  color: var(--muted);
}

.authors,
.venue,
.paper-links,
.meta {
  margin-bottom: 5px;
  font-size: 0.95rem;
}

.paper-links {
  margin-top: 6px;
}

.project-card {
  border: 1px solid var(--rule);
  border-left: 4px solid var(--link);
  border-radius: 6px;
  padding: 20px;
  margin: 16px 0;
  background: var(--soft);
}

.project-card h3,
.project-card h4 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.project-card p {
  margin: 0 0 8px;
}

.project-card .meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.project-links {
  margin-top: 10px;
}

.project-links a {
  display: inline-block;
  margin-right: 12px;
  padding: 5px 12px;
  border: 1px solid var(--link);
  border-radius: 4px;
  font-size: 0.85rem;
  transition: background 0.15s, color 0.15s;
}

.project-links a:hover {
  background: var(--link);
  color: #fff;
}

strong {
  font-weight: 700;
}

@media (max-width: 720px) {
  .page {
    padding: 30px 18px 44px;
  }

  .intro {
    display: flex;
    flex-direction: column-reverse;
    gap: 18px;
  }

  .portrait {
    width: 124px;
    height: 150px;
  }

  .links {
    text-align: left;
  }
}