.markdown-body {
  white-space: normal !important;
  overflow-wrap: anywhere;
  line-height: 1.75;
}

.markdown-body > :first-child {
  margin-top: 0;
}

.markdown-body > :last-child {
  margin-bottom: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  margin: 1.15em 0 0.55em;
  color: inherit;
  font-weight: 700;
  line-height: 1.3;
}

.markdown-body h1 {
  font-size: 1.55rem;
  padding-bottom: 0.3em;
  border-bottom: 1px solid #e5e7eb;
}

.markdown-body h2 {
  font-size: 1.3rem;
}

.markdown-body h3 {
  font-size: 1.12rem;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body blockquote,
.markdown-body pre,
.markdown-body table {
  margin: 0.7em 0;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.6em;
}

.markdown-body ul {
  list-style: disc;
}

.markdown-body ol {
  list-style: decimal;
}

.markdown-body li + li {
  margin-top: 0.28em;
}

.markdown-body strong {
  font-weight: 700;
}

.markdown-body a {
  color: #059669;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.markdown-body blockquote {
  padding: 0.2em 0 0.2em 1em;
  color: #6b7280;
  border-left: 4px solid #10b981;
}

.markdown-body code {
  padding: 0.12em 0.35em;
  border-radius: 0.35rem;
  background: #f3f4f6;
  color: #be123c;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
}

.markdown-body pre {
  overflow-x: auto;
  padding: 1rem;
  border-radius: 0.75rem;
  background: #111827;
  color: #e5e7eb;
}

.markdown-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  white-space: pre;
}

.markdown-body table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.markdown-body th,
.markdown-body td {
  padding: 0.55rem 0.75rem;
  border: 1px solid #d1d5db;
  text-align: left;
}

.markdown-body th {
  background: #f3f4f6;
  font-weight: 700;
}

.dark .markdown-body h1 {
  border-bottom-color: #374151;
}

.dark .markdown-body code {
  background: #374151;
  color: #fda4af;
}

.dark .markdown-body th,
.dark .markdown-body td {
  border-color: #4b5563;
}

.dark .markdown-body th {
  background: #374151;
}

[aria-label="选择黑色主题"] {
  outline: 2px solid #6b7280;
  outline-offset: -2px;
}

.keepseek-footer {
  padding: 1rem 1rem 2rem;
  color: #9ca3af;
  font-size: 0.75rem;
  line-height: 1.25rem;
  text-align: center;
}

.dark .keepseek-footer {
  color: #6b7280;
}

/* Desktop keeps the original four-column grid. Phones use a swipeable row. */
@media (max-width: 767px) {
  .home-card-track {
    display: flex !important;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.75rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .home-card-track::-webkit-scrollbar {
    display: none;
  }

  .home-card-track > * {
    flex: 0 0 min(75vw, 18rem);
    scroll-snap-align: start;
  }
}