.paper-meta {
  margin: 0 auto 2.5rem auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.paper-authors {
  margin-top: 0;
  margin-bottom: 0.5rem;
  text-align: center;
  font-size: 1.125rem;
  line-height: 1.8;
}

.paper-authors strong {
  font-weight: 700;
}

.paper-authors sup,
.paper-affiliations sup {
  font-size: 0.72em;
}

.paper-affiliations {
  margin-top: 0.25rem;
  color: #666;
  font-size: 1.125rem;
  line-height: 1.6;
  text-align: center;
}

.paper-affiliations div {
  margin: 0;
}

.paper-links {
  margin-top: 1.25rem;
  text-align: center;
}

.paper-link-btn {
  margin: 0.35rem 0.35rem 0 0.35rem;
}

.intro-header .page-heading h1 {
  font-size: 2.1rem;
}

.intro-header .page-heading .page-subheading {
  font-size: 1.45rem;
  line-height: 1.35;
  font-weight: 700;
  margin-top: 0.15rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.article-callout {
  background: linear-gradient(135deg, #edf8ff 0%, #dff2fb 100%);
  border: 1px solid #8fc9dd;
  border-left: 6px solid #0085a1;
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(0, 133, 161, 0.12);
  color: #153b4a;
  margin: 1.35rem 0 1.1rem;
  padding: 1.05rem 1.2rem 1rem;
}

.article-callout strong {
  color: #0f4c5c;
}

.article-callout::before {
  color: #0f4c5c;
  content: "Key Point";
  display: block;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.article-callout.highlights-callout::before {
  content: "Key Takeaways";
}

.article-callout.tldr-callout::before {
  content: "TL;DR";
}

.article-callout ul,
.article-callout ol {
  margin-bottom: 0;
}

.article-callout p:last-child {
  margin-bottom: 0;
}

.article-callout + h2,
.article-callout + h3 {
  margin-top: 1.45rem;
}

[role="main"] img {
  background: #ffffff;
  border: 1px solid #d7e2ea;
  border-radius: 16px;
  box-shadow: 0 14px 34px rgba(31, 41, 55, 0.08);
  padding: 0.45rem;
}

.var-toc-panel {
  background: #f8fafc;
  border: 1px solid #d8e1ec;
  border-radius: 16px;
  box-shadow: 0 14px 30px rgba(31, 41, 55, 0.08);
  margin: 0 0 2rem 0;
  max-height: none;
  overflow: visible;
  padding: 1rem 1.1rem;
  position: static;
  width: auto;
}

.var-toc-title {
  color: #1d3557;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 0.9rem 0;
  text-transform: uppercase;
}

.var-toc-list,
.var-toc-sublist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.var-toc-item + .var-toc-item {
  margin-top: 0.2rem;
}

.var-toc-sublist {
  margin-top: 0.25rem;
  padding-left: 0.9rem;
}

.var-toc-link {
  border-left: 2px solid transparent;
  color: #49627a;
  display: block;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  line-height: 1.35;
  padding: 0.35rem 0 0.35rem 0.75rem;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.var-toc-sublist .var-toc-link {
  font-size: 0.88rem;
}

.var-toc-link:hover,
.var-toc-link:focus {
  background: rgba(29, 53, 87, 0.05);
  border-left-color: rgba(29, 53, 87, 0.35);
  color: #1d3557;
  text-decoration: none;
}

.var-toc-link.is-active {
  background: rgba(0, 133, 161, 0.09);
  border-left-color: #0085a1;
  color: #0f4c5c;
  font-weight: 700;
}

[role="main"] h2,
[role="main"] h3 {
  scroll-margin-top: 5.75rem;
}

@media (min-width: 992px) {
  .intro-header .container-md .col-lg-10,
  [role="main"] > .row > .col-lg-10,
  .beautiful-jekyll-footer .col-lg-10 {
    flex: 0 0 91.666667%;
    max-width: 91.666667%;
    margin-left: 4.166667%;
  }

  .var-toc-panel.var-toc-docked {
    margin: 0;
    position: fixed;
    top: 6.5rem;
    width: 16rem;
    max-height: calc(100vh - 8rem);
    overflow: auto;
    z-index: 20;
  }
}

@media (min-width: 1200px) {
  .intro-header .container-md .col-xl-8,
  [role="main"] > .row > .col-xl-8,
  .beautiful-jekyll-footer .col-xl-8 {
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
    margin-left: 8.333333%;
  }

  .intro-header .page-heading h1 {
    font-size: 2.85rem;
  }

  .intro-header .page-heading .page-subheading {
    font-size: 1.65rem;
    max-width: 42rem;
  }

  .var-toc-panel.var-toc-docked {
    width: 17rem;
  }
}

@media (max-width: 640px) {
  .paper-authors {
    font-size: 1.125rem;
    line-height: 1.9;
  }

  .paper-affiliations {
    font-size: 0.9rem;
  }

  .intro-header .page-heading .page-subheading {
    font-size: 1.18rem;
    line-height: 1.4;
  }

  .var-toc-panel {
    border-radius: 14px;
    padding: 0.95rem 0.95rem 0.85rem;
  }

  .article-callout {
    border-radius: 12px;
    padding: 0.9rem 1rem 0.9rem;
  }

  [role="main"] img {
    border-radius: 12px;
    padding: 0.3rem;
  }
}