.help-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.34fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
  padding: 72px 0 92px;
}

.help-toc {
  position: sticky;
  top: 96px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.help-toc h2 {
  margin-bottom: 14px;
  font-size: 18px;
}

.help-toc ol {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 1.5em;
  color: var(--muted);
  font-size: 13px;
}

.help-toc a:hover,
.help-content a {
  color: #075f71;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.help-content {
  min-width: 0;
}

.help-content > section {
  scroll-margin-top: 96px;
  padding: 0 0 54px;
}

.help-content > section + section {
  padding-top: 54px;
  border-top: 1px solid var(--line);
}

.help-content h2 {
  margin-bottom: 22px;
  font-size: clamp(24px, 3vw, 34px);
}

.help-content h3 {
  margin: 30px 0 12px;
  font-size: 19px;
}

.help-content p,
.help-content li {
  color: var(--muted);
}

.help-content li + li {
  margin-top: 8px;
}

.help-table-wrap {
  max-width: 100%;
  margin: 22px 0;
  overflow-x: auto;
}

.help-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--white);
}

.help-table th,
.help-table td {
  padding: 14px 16px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.help-table th {
  background: #f5f7fb;
}

.help-figure {
  margin: 26px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(20, 36, 56, 0.1);
}

.help-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.help-figure-dialog img {
  width: min(100%, 898px);
  margin: 0 auto;
}

.help-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.help-note {
  padding: 18px 20px;
  border-left: 4px solid var(--cyan);
  background: rgba(0, 168, 200, 0.08);
}

@media (max-width: 860px) {
  .help-layout {
    grid-template-columns: 1fr;
  }

  .help-toc {
    position: static;
  }
}

@media (max-width: 620px) {
  .product-hero h1 {
    font-size: clamp(34px, 9.5vw, 42px);
    word-break: keep-all;
  }

  .help-layout {
    padding: 52px 0 64px;
  }

  .help-content > section {
    padding-bottom: 40px;
  }

  .help-content > section + section {
    padding-top: 40px;
  }
}