/* 产品白皮书在线阅读排版 */

.wp-reader-body {
  background: var(--bg-page, #f3f4f6);
}

.wp-reader-layout {
  display: block;
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.wp-reader-layout.wp-has-toc-layout,
body.wp-has-toc .wp-reader-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 28px;
  max-width: 1120px;
  align-items: start;
}

.wp-reader-main {
  min-width: 0;
}

.wp-back {
  display: inline-block;
  margin-bottom: 20px;
  font-size: 0.9375rem;
  color: var(--brand);
}

.wp-reader-banner {
  margin-bottom: 28px;
  padding: 28px 32px;
  background: linear-gradient(135deg, #eff6ff 0%, #fff 55%, #f0fdf4 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.wp-reader-badge {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand);
}

.wp-reader-title {
  margin: 0 0 12px;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-title);
}

.wp-reader-note {
  margin: 0 0 20px;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-body);
}

.wp-reader-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.wp-toc {
  position: sticky;
  top: 88px;
  padding: 16px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.wp-toc-title {
  margin: 0 0 10px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.wp-toc nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.wp-toc a {
  display: block;
  padding: 6px 8px;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--text-body);
  border-radius: 6px;
  text-decoration: none;
}

.wp-toc a:hover {
  background: var(--bg-muted);
  color: var(--brand);
}

.wp-toc a.wp-toc-h3 {
  padding-left: 18px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.wp-prose {
  padding: 36px 40px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.wp-loading {
  color: var(--text-muted);
  text-align: center;
  padding: 48px 0;
}

.wp-reader-footer-note {
  margin-top: 24px;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
}

/* Markdown 正文 */
.wp-prose h1 {
  display: none;
}

.wp-prose h2 {
  margin: 2.25rem 0 1rem;
  padding-bottom: 0.5rem;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-title);
  border-bottom: 2px solid #e2e8f0;
}

.wp-prose h2:first-child {
  margin-top: 0;
}

.wp-prose h3 {
  margin: 1.75rem 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-title);
}

.wp-prose p {
  margin: 0 0 1rem;
  font-size: 1.0625rem;
  line-height: 1.82;
  color: var(--text-body);
}

.wp-prose strong {
  color: var(--text-title);
  font-weight: 600;
}

.wp-prose ul,
.wp-prose ol {
  margin: 0 0 1rem 1.25rem;
  padding: 0;
  line-height: 1.75;
}

.wp-prose li {
  margin-bottom: 0.35rem;
}

.wp-prose hr {
  margin: 2rem 0;
  border: none;
  border-top: 1px solid var(--border);
}

.wp-prose blockquote {
  margin: 1.25rem 0;
  padding: 12px 18px;
  background: #f8fafc;
  border-left: 4px solid var(--brand-light);
  border-radius: 0 8px 8px 0;
  color: var(--text-body);
}

.wp-prose blockquote p:last-child {
  margin-bottom: 0;
}

.wp-prose table {
  width: 100%;
  margin: 1rem 0;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.wp-prose th,
.wp-prose td {
  padding: 10px 12px;
  border: 1px solid var(--border);
  text-align: left;
}

.wp-prose th {
  background: #f1f5f9;
  font-weight: 600;
}

.wp-prose code {
  font-size: 0.875em;
  padding: 2px 6px;
  background: #f1f5f9;
  border-radius: 4px;
}

@media (max-width: 900px) {
  .wp-reader-layout {
    grid-template-columns: 1fr;
  }

  .wp-toc {
    position: static;
    order: -1;
  }

  .wp-prose {
    padding: 24px 20px;
  }
}

@media print {
  .site-header,
  .site-footer,
  .wp-toc,
  .wp-back,
  .wp-reader-banner,
  .wp-reader-footer-note {
    display: none !important;
  }

  .wp-reader-layout {
    display: block;
    padding: 0;
  }

  .wp-prose {
    box-shadow: none;
    border: none;
    padding: 0;
  }
}