body {
  font-family: 'Poppins', 'Nunito', sans-serif;
  background: linear-gradient(135deg, #f5e6c8 0%, #c2a477 100%);
  color: #fff;
  margin: 0;
  padding: 0;
}

.papers-publication {
  background: linear-gradient(135deg, #f5e6c8 0%, #c2a477 100%);
  padding: 2rem 0 4rem 0;
}

.heading {
  color: #ffd900;
  font-family: 'Poppins', sans-serif;
  font-size: 3rem;
  text-align: center;
  margin-bottom: 2rem;
}

.papers-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  justify-items: center;
  align-items: stretch;
}

.paper-card {
  background: linear-gradient(135deg, #23243a 0%, #8d8173 100%);
  color: #fff;
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px rgba(66, 1, 119, 0.2);
  padding: 1.5rem 1rem;
  min-width: 220px;
  max-width: 260px;
  font-size: 1rem;
  font-family: 'Nunito', sans-serif;
  font-weight: 600;
  margin-bottom: 2rem;
}

.paper-card a {
  color: #ffd900;
  font-size: 1rem;
  text-decoration: underline;
  word-break: break-all;
}

.paper-card a:hover {
  color: #23243a;
  background: #ffd900;
  border-radius: 0.3em;
  text-decoration: none;
  padding: 0.1em 0.4em;
}