@font-face {
  font-family: "SabonLTStd";
  src: url("font/sabon/SabonLTStd-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: "SabonLTStd";
  src: url("font/sabon/SabonLTStd-Italic.ttf") format("truetype");
  font-weight: 400;
  font-style: italic;
}

@font-face {
  font-family: "SabonLTStd";
  src: url("font/sabon/SabonLTStd-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
}

@font-face {
  font-family: "SabonLTStd";
  src: url("font/sabon/SabonLTStd-BoldItalic.ttf") format("truetype");
  font-weight: 700;
  font-style: italic;
}

@font-face {
  font-family: "Calluna";
  src: url("font/calluna/Calluna-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
}

:root {
  --text: #222;
  --muted: #666;
  --link: #0b57d0;
  --line: #e5e5e5;
}

html,
body {
  margin: 0;
  padding: 0;
  background: #fff;
  color: var(--text);
  font-family: "SabonLTStd", "Times New Roman", Times, serif;
  line-height: 1.55;
}

.container {
  max-width: 760px;
  margin: 56px auto;
  padding: 0 28px 56px;
}

h1 {
  margin: 0;
  font-size: 2rem;
  font-family: "Calluna", "SabonLTStd", "Times New Roman", Times, serif;
  font-weight: 400;
}

.subtitle {
  margin: 8px 0 10px;
  color: var(--muted);
}

h2 {
  margin: 28px 0 12px;
  font-size: 1.2rem;
  font-weight: 600;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

p {
  margin: 10px 0;
}

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

a:hover {
  text-decoration: underline;
}

.abstract {
  color: #333;
  margin: 6px 0 14px;
}

.sep {
  margin: 0 8px;
  color: #999;
}