:root {
  --text: #222222;
  --muted: #666666;
  --line: #dddddd;
  --link: #3273dc;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #ffffff;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.page {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.paper-header {
  padding: 72px 0 54px;
  text-align: center;
}

.paper-header h1 {
  max-width: 1050px;
  margin: 0 auto;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(38px, 5.1vw, 66px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.authors {
  margin: 27px 0 8px;
  color: var(--link);
  font-size: 18px;
}

.paper-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.paper-links a,
.paper-links span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 18px;
  border-radius: 999px;
  background: #363636;
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.paper-links a:hover {
  background: var(--link);
}

.paper-links span {
  opacity: 0.48;
  cursor: default;
}

.text-section,
.figure-section {
  padding: 44px 0;
}

h2 {
  margin: 0 0 22px;
  text-align: center;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  font-weight: 500;
}

.text-section {
  max-width: 940px;
  margin: 0 auto;
}

.text-section p,
.figure-section > p {
  color: #444444;
  font-size: 17px;
  line-height: 1.75;
}

.text-section p {
  margin: 0 0 16px;
  text-align: justify;
}

hr {
  height: 1px;
  margin: 8px 0;
  border: 0;
  background: var(--line);
}

.figure-section {
  text-align: center;
}

.figure-section + .figure-section {
  border-top: 1px solid #eeeeee;
}

.figure-section > p {
  max-width: 900px;
  margin: 0 auto 24px;
}

.figure-section img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.figure-section img.portrait-figure {
  width: min(820px, 100%);
}

footer {
  margin-top: 22px;
  padding: 30px 0 42px;
  border-top: 1px solid var(--line);
  color: #888888;
  font-size: 13px;
  text-align: center;
}

@media (max-width: 700px) {
  .page {
    width: min(100% - 24px, 1120px);
  }

  .paper-header {
    padding: 48px 0 38px;
  }

  .paper-header h1 {
    font-size: 37px;
  }

  .paper-header h1 br {
    display: none;
  }

  .authors {
    font-size: 16px;
  }

  .text-section,
  .figure-section {
    padding: 34px 0;
  }

  h2 {
    font-size: 29px;
  }

  .text-section p,
  .figure-section > p {
    font-size: 15px;
    line-height: 1.68;
  }

  .text-section p {
    text-align: left;
  }

  .paper-links a,
  .paper-links span {
    min-height: 36px;
    padding: 0 15px;
    font-size: 13px;
  }
}