/* ==========================================================================
   NOW 加速 - 知识库与深度教程专属阅读样式表 (ARTICLE STYLES)
   ========================================================================== */

/* 文章页面特有容器与排版 */
.article-page-wrapper {
  padding: 40px 0 80px;
}

/* 顶部面包屑导航与元信息 */
.article-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.article-breadcrumbs a {
  color: var(--pop-blue);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.breadcrumb-separator {
  color: #888;
}

/* 阅读进度条 */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 6px;
  background: var(--pop-yellow);
  width: 0%;
  z-index: 99999;
  transition: width 0.1s;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* 文章主体容器 */
.article-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 36px;
  align-items: start;
}

.article-main-card {
  background: #fff;
  border: 4px solid var(--ink-black);
  box-shadow: var(--pop-shadow-lg);
  border-radius: 10px;
  padding: 48px;
}

/* 文章头部 Header */
.article-header {
  border-bottom: 3px solid var(--ink-black);
  padding-bottom: 30px;
  margin-bottom: 36px;
}

.article-category-badge {
  display: inline-block;
  background: var(--pop-yellow);
  color: var(--ink-black);
  border: 2px solid var(--ink-black);
  box-shadow: 3px 3px 0 var(--ink-black);
  padding: 4px 12px;
  font-family: var(--font-comic);
  font-size: 1.15rem;
  letter-spacing: 1px;
  margin-bottom: 14px;
  transform: rotate(-1deg);
}

.article-headline {
  font-family: var(--font-comic);
  font-size: 2.8rem;
  line-height: 1.2;
  color: var(--ink-black);
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.88rem;
  font-weight: 700;
  color: #666;
}

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

/* 文章正文排版 Typography */
.article-content {
  font-size: 1.08rem;
  line-height: 1.85;
  color: #222;
}

.article-content h2 {
  font-family: var(--font-comic);
  font-size: 2.1rem;
  letter-spacing: 1px;
  color: var(--ink-black);
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--pop-yellow);
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-content h3 {
  font-family: var(--font-comic);
  font-size: 1.6rem;
  letter-spacing: 0.5px;
  color: var(--ink-black);
  margin: 28px 0 12px;
}

.article-content p {
  margin-bottom: 20px;
  text-align: justify;
}

.article-content strong {
  font-weight: 900;
  color: #000;
  background: #FFF2A3;
  padding: 1px 4px;
  border-radius: 2px;
}

.article-content ul, 
.article-content ol {
  margin: 20px 0 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.article-content li {
  line-height: 1.7;
}

/* 波普风格高亮提示框 (Comic Callout Boxes) */
.comic-callout {
  border: 3.5px solid var(--ink-black);
  box-shadow: 5px 5px 0 var(--ink-black);
  padding: 20px 24px;
  border-radius: 8px;
  margin: 28px 0;
  position: relative;
}

.comic-callout.tip {
  background: #EBFBEE;
}
.comic-callout.tip .callout-title {
  color: #1F883D;
}

.comic-callout.warning {
  background: #FFF5EA;
}
.comic-callout.warning .callout-title {
  color: #BF4B00;
}

.comic-callout.intel {
  background: #EAF4FF;
}
.comic-callout.intel .callout-title {
  color: var(--pop-blue);
}

.callout-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.callout-title {
  font-family: var(--font-comic);
  font-size: 1.35rem;
  letter-spacing: 1px;
}

.comic-callout p {
  margin-bottom: 0;
  font-weight: 600;
  font-size: 0.98rem;
}

/* 代码与配置展示块 */
.code-preview-wrap {
  border: 3.5px solid var(--ink-black);
  box-shadow: 5px 5px 0 var(--ink-black);
  border-radius: 8px;
  margin: 28px 0;
  overflow: hidden;
  background: #1E1E1E;
}

.code-header {
  background: #2D2D2D;
  border-bottom: 2px solid #444;
  padding: 8px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #ccc;
  font-size: 0.85rem;
  font-family: monospace;
}

.code-content {
  padding: 20px;
  overflow-x: auto;
  color: #E2E8F0;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.92rem;
  line-height: 1.6;
}

/* 漫画对比数据表格 */
.comic-table-wrap {
  overflow-x: auto;
  margin: 28px 0;
}

.comic-table {
  width: 100%;
  border-collapse: collapse;
  border: 3.5px solid var(--ink-black);
  box-shadow: 5px 5px 0 var(--ink-black);
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
}

.comic-table th {
  background: var(--pop-yellow);
  border: 2px solid var(--ink-black);
  padding: 12px 16px;
  font-family: var(--font-comic);
  font-size: 1.2rem;
  letter-spacing: 1px;
  text-align: left;
}

.comic-table td {
  border: 2px solid var(--ink-black);
  padding: 12px 16px;
  font-weight: 700;
  font-size: 0.95rem;
}

.comic-table tr:nth-child(even) {
  background: #FAF8F2;
}

/* 侧边栏 Sticky Sidebar */
.article-sidebar {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  background: #fff;
  border: 3.5px solid var(--ink-black);
  box-shadow: var(--pop-shadow);
  border-radius: 8px;
  padding: 20px;
}

.sidebar-title {
  font-family: var(--font-comic);
  font-size: 1.45rem;
  letter-spacing: 1px;
  border-bottom: 2px solid var(--ink-black);
  padding-bottom: 8px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 目录跳转列表 */
.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 700;
}

.toc-link {
  color: #444;
  display: block;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.15s;
}

.toc-link:hover {
  background: var(--pop-yellow);
  color: var(--ink-black);
  padding-left: 12px;
}

/* 侧边栏推广 CTA */
.sidebar-cta-card {
  background: var(--pop-yellow);
  text-align: center;
}

.sidebar-cta-btn {
  background: var(--pop-red);
  color: #fff;
  border: 3px solid var(--ink-black);
  padding: 12px 16px;
  font-family: var(--font-comic);
  font-size: 1.4rem;
  letter-spacing: 1px;
  box-shadow: 4px 4px 0 var(--ink-black);
  cursor: pointer;
  display: block;
  margin-top: 14px;
  border-radius: 6px;
  transition: var(--comic-transition);
}

.sidebar-cta-btn:hover {
  background: var(--pop-green);
  color: var(--ink-black);
  transform: translateY(-2px);
  box-shadow: 6px 6px 0 var(--ink-black);
}

/* 文章底部关联推荐与返回按钮 */
.article-footer-nav {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 3px dashed var(--ink-black);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.back-kb-btn {
  background: #fff;
  border: 3px solid var(--ink-black);
  box-shadow: 4px 4px 0 var(--ink-black);
  padding: 10px 20px;
  font-family: var(--font-comic);
  font-size: 1.25rem;
  letter-spacing: 1px;
  border-radius: 6px;
  transition: var(--comic-transition);
}

.back-kb-btn:hover {
  background: var(--pop-yellow);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink-black);
}

/* 知识库主页列表布局 (knowledge/index.html) */
.kb-hero-card {
  background: var(--pop-yellow);
  border: 5px solid var(--ink-black);
  box-shadow: var(--pop-shadow-lg);
  border-radius: 12px;
  padding: 40px;
  margin-bottom: 48px;
  text-align: center;
}

.kb-grid-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.kb-article-item {
  background: #fff;
  border: 4px solid var(--ink-black);
  box-shadow: var(--pop-shadow);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--comic-transition);
}

.kb-article-item:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--pop-shadow-lg);
}

.kb-item-tag {
  background: var(--pop-cyan);
  border: 2px solid var(--ink-black);
  padding: 2px 8px;
  font-family: var(--font-comic);
  font-size: 1rem;
  display: inline-block;
  margin-bottom: 10px;
}

.kb-item-title {
  font-family: var(--font-comic);
  font-size: 1.65rem;
  line-height: 1.25;
  margin-bottom: 10px;
  color: var(--ink-black);
}

.kb-item-snippet {
  font-size: 0.95rem;
  font-weight: 600;
  color: #444;
  line-height: 1.6;
  margin-bottom: 18px;
}

.kb-item-action {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 2px dashed #ddd;
  padding-top: 14px;
}

.read-article-link {
  background: var(--pop-red);
  color: #fff;
  border: 2px solid var(--ink-black);
  padding: 6px 14px;
  font-family: var(--font-comic);
  font-size: 1.15rem;
  letter-spacing: 1px;
  box-shadow: 3px 3px 0 var(--ink-black);
  border-radius: 4px;
  transition: var(--comic-transition);
}

.read-article-link:hover {
  background: var(--pop-yellow);
  color: var(--ink-black);
  transform: translate(-2px, -2px);
}

@media (max-width: 900px) {
  .article-container {
    grid-template-columns: 1fr;
  }
  .article-main-card {
    padding: 24px 18px;
  }
  .article-headline {
    font-size: 2rem;
  }
  .kb-grid-layout {
    grid-template-columns: 1fr;
  }
}