.s2-knowledge-page .s2-content {
  padding: 56px 0 88px;
}

.s2-knowledge-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.s2-knowledge-toc {
  position: sticky;
  top: calc(var(--s2-header-h) + 24px);
  background: var(--s2-surface);
  border: 1px solid var(--s2-border);
  border-radius: var(--s2-radius-lg);
  padding: 24px 20px;
  box-shadow: var(--s2-shadow-lg);
}

.s2-knowledge-toc h2 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--s2-orange);
  margin: 0 0 14px;
}

.s2-knowledge-toc h2:not(:first-child) {
  margin-top: 22px;
}

.s2-knowledge-toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.s2-knowledge-toc li {
  margin-bottom: 8px;
}

.s2-knowledge-toc a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--s2-text-2);
  text-decoration: none;
  transition: color 0.2s;
}

.s2-knowledge-toc a:hover {
  color: var(--s2-orange);
}

.s2-knowledge-prose {
  max-width: 820px;
}

.s2-knowledge-prose > p:first-of-type {
  font-size: 1.02rem;
  color: var(--s2-text);
}

.s2-knowledge-prose h2 {
  font-size: 1.6rem;
  margin-top: 48px;
  padding-top: 8px;
  scroll-margin-top: calc(var(--s2-header-h) + 20px);
}

.s2-knowledge-prose h2:first-of-type {
  margin-top: 0;
}

.s2-knowledge-prose h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--s2-text);
  margin: 32px 0 14px;
  scroll-margin-top: calc(var(--s2-header-h) + 20px);
}

.s2-knowledge-prose h4,
.s2-knowledge-prose h5 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--s2-text);
  margin: 24px 0 12px;
}

.s2-knowledge-prose p,
.s2-knowledge-prose li {
  color: var(--s2-text-2);
  line-height: 1.8;
}

.s2-knowledge-prose ul,
.s2-knowledge-prose ol {
  padding-left: 1.4rem;
  margin: 0 0 18px;
}

.s2-knowledge-prose li {
  margin-bottom: 8px;
}

.s2-knowledge-prose img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 20px 0;
  border-radius: 12px;
  border: 1px solid var(--s2-border);
  box-shadow: var(--s2-shadow-lg);
}

.s2-knowledge-banner {
  margin: 0 0 24px;
}

@media (max-width: 991px) {
  .s2-knowledge-layout {
    grid-template-columns: 1fr;
  }

  .s2-knowledge-toc {
    position: static;
  }
}