* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #202124;
  background: #f3f5f8;
  font-family: "Open Sans", Arial, sans-serif;
  font-weight: 300;
}

main {
  width: min(1100px, calc(100% - 32px));
  margin: 26px auto 52px;
}

.paper-header,
.paper-section {
  margin: 24px auto;
  padding: 32px 52px;
  background: #fff;
  border: 1px solid #e7eaf0;
  border-radius: 10px;
  box-shadow: 0 8px 28px rgba(31, 42, 68, 0.1);
}

.paper-header {
  text-align: center;
  padding-top: 38px;
  padding-bottom: 34px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #5b6f95;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  text-align: center;
  text-transform: uppercase;
}

h1 {
  max-width: 920px;
  margin: 0 auto 20px;
  color: #121826;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.18;
  font-weight: 500;
}

h2 {
  margin: 0 0 22px;
  padding-bottom: 10px;
  color: #121826;
  border-bottom: 1px solid #e1e5ee;
  font-size: 28px;
  line-height: 1.25;
  font-weight: 500;
}

p {
  margin: 16px 0 0;
  color: #252b36;
  font-size: 17px;
  line-height: 1.7;
  text-align: justify;
}

.authors,
.affiliations {
  margin: 8px auto;
  text-align: center;
  line-height: 1.6;
}

.authors {
  color: #2f3a4f;
  font-size: 20px;
}

.affiliations {
  color: #5f6b7a;
  font-size: 16px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 26px;
  font-size: 18px;
}

.links a,
.links a:visited {
  min-width: 92px;
  padding: 8px 16px;
  color: #fff;
  background: #224b8d;
  border-radius: 6px;
  font-weight: 500;
  text-decoration: none;
}

.links a:hover {
  background: #183a72;
  text-decoration: none;
}

a,
a:visited {
  color: #224b8d;
}

.paper-section img,
.section-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 20px auto 10px;
  border-radius: 6px;
}

.table-image {
  max-width: min(720px, 100%);
}

.caption {
  margin: 8px auto 18px;
  color: #687386;
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
}

.feature-list {
  margin: 18px 0 0;
  padding-left: 22px;
  color: #252b36;
  font-size: 17px;
  line-height: 1.65;
}

.feature-list li {
  margin: 10px 0;
}

.muted {
  color: #687386;
  text-align: center;
}

@media (max-width: 700px) {
  main {
    width: min(100% - 20px, 1100px);
    margin-top: 10px;
  }

  .paper-header,
  .paper-section {
    margin: 14px auto;
    padding: 22px 18px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 23px;
  }

  p,
  .feature-list {
    font-size: 16px;
    line-height: 1.6;
  }

  .links {
    gap: 10px;
    font-size: 16px;
  }

  .links a {
    min-width: 82px;
    padding: 8px 12px;
  }
}