* {
  box-sizing: border-box;
}
html,
body {
  max-width: 100%;
  overflow-x: clip;
}
body {
  margin: 0;
  background: #f0eadf;
  color: #222;
  font:
    16px/1.85 system-ui,
    "PingFang SC",
    sans-serif;
}
.appbar {
  background: #fbfbfb;
  padding: 15px 4vw;
  display: flex;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid #ccc;
}
.appbar > a {
  color: #222;
  text-decoration: none;
  font-weight: 900;
  margin-right: auto;
}
.appbar nav {
  display: flex;
  gap: 16px;
}
.appbar nav a {
  color: #075985;
}
.article {
  width: min(860px, 92vw);
  margin: 38px auto;
}
.label {
  font:
    800 0.78rem/1.2 ui-monospace,
    monospace;
  letter-spacing: 0.14em;
  color: #075985;
}
.article h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  line-height: 1.17;
  margin: 0.35em 0;
}
.lead {
  font-size: 1.12rem;
  border-left: 7px solid #f97316;
  padding-left: 18px;
}
.credit {
  font-weight: 800;
  color: #075985;
}
.prose {
  max-width: 770px;
}
.prose h2 {
  font-size: 1.35rem;
  color: #075985;
  margin: 1.8em 0 0.4em;
}
.prose p {
  margin: 0.85em 0;
}
.article-date {
  margin-top: 30px;
  padding-top: 14px;
  border-top: 2px solid #075985;
  font-size: 0.9rem;
}
footer {
  text-align: center;
  padding: 35px;
  color: #666;
}
.wave20-index {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid currentColor;
  line-height: 1.8;
}
footer a {
  color: #075985;
}
@media (max-width: 720px) {
  .appbar {
    padding: 13px 16px;
  }
  .appbar nav {
    display: none;
  }
  .article {
    margin: 24px auto;
  }
  .article h1 {
    font-size: 1.55rem;
  }
  .lead {
    font-size: 1rem;
  }
  footer {
    padding: 26px 16px;
  }
}