/* 文章详情页样式 */

.article-wrap { padding: 24px 0 78px; }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 52px; align-items: start; }

.article-head { border-bottom: 1px solid var(--line); padding-bottom: 22px; margin-bottom: 26px; }
.article-head h1 { font-size: 2rem; line-height: 1.35; margin-bottom: 16px; }
.article-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px;
  font-size: .84rem; color: var(--muted);
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta svg { width: 14px; height: 14px; color: var(--brand); }
.article-meta a { color: var(--brand-strong); font-weight: 600; }

.article-summary {
  margin: 0 0 28px; padding: 20px 24px;
  background: var(--brand-soft);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .96rem; color: var(--ink-2);
}
.article-summary span {
  display: block; margin-bottom: 6px;
  font-size: .74rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--brand-deep); font-weight: 700;
}
.article-summary p { margin: 0; }

/* ---------------- 正文排版 ---------------- */
.prose { font-size: 1.02rem; line-height: 1.85; color: var(--ink-2); }
.prose>*:first-child { margin-top: 0; }
.prose h1, .prose h2 { font-size: 1.34rem; margin: 2em 0 .7em; padding-left: 14px; border-left: 3px solid var(--brand); }
.prose h3 { font-size: 1.1rem; margin: 1.7em 0 .6em; color: var(--ink); }
.prose h4 { font-size: 1rem; margin: 1.4em 0 .5em; }
.prose p { margin: 0 0 1.05em; }
.prose img { margin: 20px auto; border-radius: var(--radius); }
.prose figure { margin: 22px 0; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.35em; }
.prose li { margin-bottom: .45em; }
.prose a { color: var(--brand-strong); text-decoration: underline; text-underline-offset: 3px; }
.prose hr { margin: 30px 0; border: 0; border-top: 1px dashed var(--line); }
.prose blockquote {
  margin: 1.4em 0; padding: 14px 20px;
  background: var(--paper-warm); border-left: 3px solid var(--brand-tint);
  color: var(--ink-3);
}
.prose div { margin-bottom: .55em; }

/* 正文中的表格（设备参数） */
.prose table {
  width: 100%; margin: 20px 0 26px;
  border-collapse: collapse; font-size: .92rem;
  background: #fff;
}
.prose table td, .prose table th {
  padding: 11px 14px; text-align: left;
  border: 1px solid var(--line);
  vertical-align: top;
}
.prose table tr:first-child td { background: var(--paper-warm); font-weight: 600; color: var(--ink); }
.prose table td:first-child:not(:last-child) { background: #f7fafd; color: var(--ink); width: 34%; }
.prose table ul { margin: 0; padding-left: 1.1em; }
.prose table li { margin-bottom: .3em; }

/* FAQ 块 */
.prose .faq-item {
  margin: 0 0 18px; padding: 18px 20px;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.prose .faq-item:hover { border-color: var(--brand-tint); box-shadow: var(--shadow-sm); }
.prose .faq-item h3 { margin: 0 0 .5em; font-size: 1.02rem; }
.prose .faq-item p { margin: 0; }

/* ---------------- 相关阅读 / 上下篇 ---------------- */
.article-related { margin-top: 44px; padding-top: 30px; border-top: 1px solid var(--line); }
.article-related h2 { font-size: 1.1rem; margin-bottom: 16px; }
.article-related ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.article-related li a {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .93rem; color: var(--ink-2);
}
.article-related li a::before {
  content: ""; width: 5px; height: 5px; margin-top: 9px;
  background: var(--brand); border-radius: 50%; flex: 0 0 auto;
}
.article-related li a:hover { color: var(--brand-strong); }

.article-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  margin-top: 28px;
}
.article-nav a {
  padding: 16px 18px;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  font-size: .9rem; color: var(--ink-3);
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}
.article-nav a:hover { border-color: var(--brand); background: var(--brand-soft); color: var(--brand-deep); }
.article-nav span { display: block; font-size: .74rem; letter-spacing: .12em; color: var(--muted); margin-bottom: 4px; }
.article-nav .next { text-align: right; }

/* ---------------- 侧栏 ---------------- */
.article-side { position: sticky; top: 92px; display: grid; gap: 22px; }
.side-block { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px; background: #fff; }
.side-block h3 { font-size: .98rem; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line-soft); }
.side-block ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.side-block li a { font-size: .9rem; color: var(--ink-3); display: block; line-height: 1.6; }
.side-block li a:hover { color: var(--brand-strong); }
.side-block .side-cta { text-align: center; }
.side-block .tel { display: block; font-size: 1.3rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.side-block .tel:hover { color: var(--brand-strong); }
.side-block .btn { width: 100%; justify-content: center; margin-top: 14px; }

@media (max-width: 1080px) {
  .article-layout { grid-template-columns: 1fr; gap: 34px; }
  .article-side { position: static; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .article-head h1 { font-size: 1.5rem; }
  .prose { font-size: .97rem; }
  .prose table { font-size: .85rem; }
  .article-side { grid-template-columns: 1fr; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav .next { text-align: left; }
}