/* 详情页通用样式（产品/新闻共用） */
.detail-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.detail-main { min-width: 0; }
.detail-cover { width: 100%; max-height: 420px; object-fit: cover; border-radius: var(--radius-lg); margin-bottom: 32px; }
.detail-main h1 { font-size: 1.9rem; font-weight: 700; margin-bottom: 12px; line-height: 1.3; }
.detail-meta { display: flex; gap: 16px; margin-bottom: 28px; font-size: .9rem; color: var(--text-muted); flex-wrap: wrap; align-items: center; }
.detail-meta .tag { background: var(--primary-light); color: var(--primary); padding: 2px 10px; border-radius: 20px; font-size: .82rem; }
.detail-content { line-height: 1.95; color: #444; font-size: 1rem; }
.detail-content img { max-width: 100%; border-radius: var(--radius); margin: 12px 0; }
.detail-content p { margin-bottom: 16px; }
.detail-content h2, .detail-content h3, .detail-content h4 { margin: 28px 0 12px; font-weight: 600; color: var(--text); }
.detail-content ul, .detail-content ol { padding-left: 24px; margin-bottom: 16px; }
.detail-content li { margin-bottom: 8px; }
.detail-content table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .9rem; }
.detail-content table th, .detail-content table td { border: 1px solid var(--border); padding: 10px 14px; }
.detail-content table th { background: var(--bg-light); font-weight: 600; }

/* Sidebar */
.detail-sidebar { position: sticky; top: calc(var(--header-height) + 20px); }
.sidebar-card { background: #fff; border-radius: var(--radius-lg); padding: 22px; box-shadow: var(--shadow); margin-bottom: 20px; }
.sidebar-card h3 { font-size: .95rem; font-weight: 600; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); color: var(--text); }
.related-item { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--bg-light); text-decoration: none; color: var(--text); transition: color var(--transition); }
.related-item:last-child { border-bottom: none; padding-bottom: 0; }
.related-item:hover { color: var(--primary); }
.related-thumb { width: 64px; height: 46px; object-fit: cover; border-radius: 6px; flex-shrink: 0; background: var(--bg-light); }
.related-info p { font-size: .88rem; line-height: 1.4; font-weight: 500; }
.related-info span { font-size: .78rem; color: var(--text-muted); }

/* Contact CTA in sidebar */
.cta-card { background: linear-gradient(135deg, var(--primary), #0d4ea6); color: #fff; border-radius: var(--radius-lg); padding: 24px; text-align: center; }
.cta-card h3 { font-size: 1rem; margin-bottom: 8px; color: #fff; border: none; padding: 0; }
.cta-card p { font-size: .85rem; opacity: .85; margin-bottom: 16px; }
.cta-card .btn { width: 100%; }

@media (max-width: 1024px) {
  .detail-layout { grid-template-columns: 1fr; }
  .detail-sidebar { position: static; }
}