/* ==========================================================================
   牧牛云网 (muniu.best) - 文章与知识库专用样式表
   极速纯原生 · 增强排版 · SEO深度内链结构 · 响应式可读性
   ========================================================================== */

.article-hero {
  padding: 60px 0 35px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: #38bdf8;
}

.breadcrumb-separator {
  color: var(--text-dim);
}

.article-header-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.article-header-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-main-title {
  font-size: clamp(28px, 4.5vw, 42px);
  font-weight: 900;
  line-height: 1.28;
  color: #ffffff;
  margin-bottom: 20px;
}

.article-lead {
  font-size: 17px;
  color: #cbd5e1;
  line-height: 1.8;
  background: rgba(255, 117, 140, 0.08);
  border-left: 4px solid #ff758c;
  padding: 18px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 30px;
}

/* 核心正文排版 */
.article-content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  padding: 45px 0 80px;
}

.article-body {
  font-size: 16px;
  line-height: 1.85;
  color: #e2e8f0;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 800;
  color: #ffffff;
  margin: 40px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-body h2::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 24px;
  background: linear-gradient(180deg, #ff758c 0%, #06b6d4 100%);
  border-radius: 3px;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: #38bdf8;
  margin: 30px 0 14px;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 24px 24px;
  color: #cbd5e1;
}

.article-body li {
  margin-bottom: 10px;
  line-height: 1.75;
}

.article-body strong {
  color: #ffffff;
  font-weight: 700;
}

.article-body a {
  color: #38bdf8;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.article-body a:hover {
  color: #34d399;
}

/* 文章内部跳转高亮卡片 */
.internal-jump-box {
  background: rgba(14, 28, 52, 0.7);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-md);
  padding: 22px;
  margin: 30px 0;
}

.internal-jump-title {
  font-size: 16px;
  font-weight: 700;
  color: #34d399;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.internal-jump-links {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.internal-jump-links li a {
  display: block;
  font-size: 14px;
  color: #94a3b8;
  text-decoration: none;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-fast);
}

.internal-jump-links li a:hover {
  color: #38bdf8;
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.3);
  transform: translateX(4px);
}

/* 提示与高亮引述块 */
.alert-box {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin: 25px 0;
  font-size: 15px;
}

.alert-box.alert-tip {
  border-color: rgba(6, 182, 212, 0.4);
  background: rgba(6, 182, 212, 0.08);
}

.alert-box.alert-warning {
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.08);
}

.alert-title {
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 文章专属 CTA 推广条 */
.article-cta-box {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 40px 0;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.article-cta-box h3 {
  font-size: 22px;
  color: #ffffff;
  margin-bottom: 12px;
}

.article-cta-box p {
  font-size: 15px;
  color: #cbd5e1;
  max-width: 600px;
  margin: 0 auto 24px;
}

/* 侧边栏 */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
}

.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color var(--transition-fast);
}

.sidebar-links a:hover {
  color: #38bdf8;
}

@media (max-width: 992px) {
  .article-content-layout {
    grid-template-columns: 1fr;
  }
  .internal-jump-links {
    grid-template-columns: 1fr;
  }
}