/* Quiet long-form reading, using the site's paper and dark-red ink. */
.gong {
  --gong-ink: #342e27;
  --gong-muted: #70695d;
  --gong-red: #591713;
  --gong-line: #ded5c3;
  --gong-paper: #fffdf7;
  max-width: 1120px;
  margin: 32px auto 80px;
  padding: 0 24px;
  color: var(--gong-ink);
  font-family: "Songti SC", "Noto Serif CJK SC", serif;
  line-height: 1.8;
}
.gong a {
  color: #215d78;
  text-underline-offset: 5px;
}
.gong a:hover {
  text-decoration: underline;
}
.gong :is(a, button, input, select, summary):focus-visible {
  outline: 3px solid #33758b;
  outline-offset: 4px;
}
.gong-head {
  padding: 8px 0 26px;
  border-bottom: 1px solid var(--gong-line);
}
.gong h1 {
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 500;
  line-height: 1.45;
  color: var(--gong-red);
  margin: 8px 0 14px;
  overflow-wrap: anywhere;
}
.gong h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
}
.gong-eyebrow {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--gong-muted);
  margin: 0;
}
.gong-muted {
  font-size: 15px;
  color: var(--gong-muted);
  margin: 6px 0;
}
.gong-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-bottom: 24px;
  font-size: 15px;
}
.gong-credit {
  display: inline-block;
  margin-right: 18px;
}
.gong-books {
  padding: 25px 0;
}
.gong-books > div {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin-top: 10px;
}
.gong-books a {
  font-size: 20px;
  padding: 4px 0;
}
.gong-books a span {
  margin-left: 18px;
}
.gong-find {
  display: grid;
  grid-template-columns: minmax(150px, 2fr) minmax(120px, 1fr) minmax(120px, 1fr) auto;
  gap: 14px;
  align-items: end;
  padding: 22px;
  background: var(--gong-paper);
  border: 1px solid var(--gong-line);
  border-radius: 6px;
  margin: 24px 0;
}
.gong-find label {
  display: block;
  font-size: 14px;
  color: var(--gong-muted);
  min-width: 0;
}
.gong-find :is(input, select) {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  margin-top: 6px;
  border: 1px solid #a89e8d;
  border-radius: 4px;
  background: #fffdf8;
  color: var(--gong-ink);
  padding: 7px 10px;
  font-size: 16px;
  font-family: inherit;
}
.gong-find button {
  min-height: 44px;
  padding: 7px 20px;
  border: 1px solid var(--gong-red);
  border-radius: 4px;
  background: var(--gong-red);
  color: #fffdf8;
  font: inherit;
  cursor: pointer;
}
.gong-result {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin: 32px 0 10px;
}
.gong-result h2 span {
  font-size: 15px;
  color: var(--gong-muted);
  margin-left: 12px;
  font-weight: 400;
}
.gong-result p {
  font-size: 13px;
  color: var(--gong-muted);
  margin: 0;
}
.gong-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.gong-list > li {
  border-bottom: 1px solid var(--gong-line);
}
.gong-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 23px 8px;
  min-height: 84px;
  text-decoration: none;
}
.gong-entry h3 {
  font-size: 23px;
  font-weight: 500;
  color: var(--gong-ink);
  margin: 0 0 5px;
}
.gong-entry p {
  font-size: 14px;
  color: var(--gong-muted);
  margin: 0;
}
.gong-entry-end {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--gong-muted);
}
.gong-entry:hover {
  background: #fffaf0;
}
.gong-empty {
  padding: 32px 8px;
}
.gong-pages {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  margin-top: 32px;
}
.gong-pages a {
  padding: 10px 5px;
  min-height: 44px;
}
.gong-reader-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 54px;
  padding-top: 32px;
}
.gong-reading-nav {
  position: sticky;
  top: 80px;
  align-self: start;
  font-size: 14px;
}
.gong-reading-nav h2 {
  font-size: 17px;
}
.gong-versions {
  display: grid;
  gap: 8px;
  margin: 18px 0 28px;
}
.gong-versions a {
  display: block;
  padding: 12px;
  border: 1px solid var(--gong-line);
  border-radius: 4px;
  text-decoration: none;
}
.gong-versions a[aria-current="page"] {
  border-left: 3px solid var(--gong-red);
  background: var(--gong-paper);
  color: var(--gong-red);
}
.gong-versions small {
  display: block;
  font-size: 12px;
  color: var(--gong-muted);
  margin-top: 5px;
}
.gong-source-course {
  display: block;
  padding: 8px 0;
  overflow-wrap: anywhere;
}
.gong-reader {
  max-width: 42em;
  min-width: 0;
}
.gong-reading-note {
  font-size: 15px;
  padding: 14px 18px;
  background: #f3edde;
  border-left: 2px solid #a99d80;
  margin: 0 0 28px;
}
.gong-paragraph {
  margin: 0 0 28px;
}
.gong-original {
  display: inline-block;
  font-size: 12px;
  min-height: 34px;
  padding: 4px 0;
  color: var(--gong-muted) !important;
}
.gong-body {
  font-size: 20px;
  line-height: 1.95;
  overflow-wrap: anywhere;
}
.gong-body-text,
.gong-note-text {
  white-space: pre-wrap;
}
.gong-note {
  font-size: 17px;
  background: #f2ecdf;
  border-left: 2px solid #c9bca0;
  padding: 6px 16px;
  margin: 14px 0;
}
.gong-note summary {
  cursor: pointer;
  min-height: 44px;
  padding: 7px 0;
  color: var(--gong-muted);
  font-size: 14px;
}
.gong-note-text {
  padding-bottom: 10px;
}
.gong-gap {
  font-size: 13px;
  color: var(--gong-muted);
  border-top: 1px dashed var(--gong-line);
  padding-top: 16px;
}
.gong-neighbours {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  border-top: 1px solid var(--gong-line);
  margin-top: 40px;
  padding-top: 22px;
}
.gong-neighbours a {
  min-height: 66px;
  padding: 8px 0;
}
.gong-neighbours a:last-child {
  text-align: right;
}
.gong-neighbours small,
.gong-neighbours span {
  display: block;
}
.gong-neighbours small {
  font-size: 13px;
  color: var(--gong-muted);
}
.gong-related {
  margin-top: 30px;
  border-top: 1px solid var(--gong-line);
  padding-top: 22px;
}
.gong-related > a {
  display: block;
  padding: 10px 0;
}
@media (max-width: 760px) {
  .gong {
    padding: 0 18px;
    margin-top: 20px;
  }
  .gong-head {
    padding-bottom: 18px;
  }
  .gong-find {
    grid-template-columns: 1fr 1fr;
    padding: 16px;
    gap: 12px;
    margin: 20px 0;
  }
  .gong-find > div:first-child {
    grid-column: 1/-1;
  }
  .gong-find button {
    grid-column: 1/-1;
  }
  .gong-reader-layout {
    display: block;
    padding-top: 20px;
  }
  .gong-reading-nav {
    position: static;
    margin-bottom: 28px;
  }
  .gong-versions {
    margin: 12px 0;
    gap: 8px;
  }
  .gong-versions small {
    display: inline;
    margin-left: 10px;
  }
  .gong-result {
    display: block;
  }
  .gong-result p {
    margin-top: 5px;
  }
  .gong-entry {
    padding: 20px 0;
    align-items: flex-start;
    gap: 12px;
  }
  .gong-entry h3 {
    font-size: 21px;
  }
  .gong-entry-end {
    font-size: 12px;
    margin-top: 7px;
  }
  .gong-body {
    font-size: 19px;
  }
  .gong-original {
    font-size: 12px;
  }
  .gong-crumbs {
    margin-bottom: 18px;
  }
  .gong-note {
    padding: 4px 12px;
  }
  .gong-books {
    padding: 20px 0 0;
  }
}