/* ==========================================================================
   吹雪云知识库文章专用样式表 (Neo-Brutalism Article Theme)
   ========================================================================== */

.article-header {
  padding: 50px 0 30px 0;
  border-bottom: var(--neo-border);
  background: #ffffff;
  margin-bottom: 40px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.breadcrumb a {
  text-decoration: underline;
}

.article-headline {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  font-weight: 700;
  color: #555;
}

.article-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}

.article-toc-sticky {
  position: sticky;
  top: 90px;
  background: var(--neo-white);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow);
  border-radius: 6px;
  padding: 20px;
}

.article-toc-sticky h4 {
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid #000;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
}

.article-toc-list a:hover {
  color: var(--neo-pink);
  text-decoration: underline;
}

.article-content {
  background: var(--neo-white);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow);
  border-radius: 8px;
  padding: 40px 48px;
  font-size: 1.05rem;
  line-height: 1.85;
  color: #222;
}

.article-content h2 {
  font-size: 1.7rem;
  font-weight: 900;
  margin: 36px 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 3px solid #000;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-content h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin: 24px 0 12px 0;
}

.article-content p {
  margin-bottom: 18px;
}

.article-content ul, .article-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-callout {
  background: #fffbe6;
  border-left: 6px solid var(--neo-black);
  border: var(--neo-border-sm);
  box-shadow: 3px 3px 0 var(--neo-black);
  padding: 18px 22px;
  margin: 24px 0;
  font-weight: 600;
  border-radius: 4px;
}

.article-table-wrap {
  overflow-x: auto;
  margin: 24px 0;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.article-table th, .article-table td {
  border: var(--neo-border-sm);
  padding: 12px 14px;
  text-align: left;
}

.article-table th {
  background: var(--neo-yellow);
  font-weight: 900;
}

.article-cta-box {
  background: var(--neo-yellow);
  border: var(--neo-border-lg);
  box-shadow: var(--neo-shadow-lg);
  padding: 30px;
  border-radius: 8px;
  text-align: center;
  margin: 40px 0;
}

.article-related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}

@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-toc-sticky {
    position: static;
    margin-bottom: 30px;
  }
  .article-content {
    padding: 24px 20px;
  }
  .article-related-grid {
    grid-template-columns: 1fr;
  }
}