/* ==========================================================================
   GLaDOS 道路手册与独立页专有样式表 (article.css)
   保证正文不倾斜、不持续变形，注重高可读性与无障碍规范
   ========================================================================== */

/* 面包屑导航 */
.breadcrumbs-bar {
  padding: 16px 0;
  background: rgba(17, 19, 39, 0.4);
  border-bottom: 1px solid rgba(131, 232, 250, 0.1);
  font-size: 0.88rem;
}

.breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  color: var(--color-text-dim);
}

.breadcrumb-separator {
  color: var(--color-text-dim);
  user-select: none;
}

.breadcrumbs-list a {
  color: var(--color-text-sub);
}

.breadcrumbs-list a:hover {
  color: var(--color-cyan);
}

.breadcrumb-current {
  color: var(--color-cyan);
  font-weight: 500;
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 文章主体布局 */
.article-layout {
  padding: 48px 0 80px 0;
}

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

@media (min-width: 1024px) {
  .article-layout-grid {
    grid-template-columns: 1fr 320px;
    gap: 48px;
  }
}

.article-main-content {
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  overflow: hidden;
}

@media (min-width: 768px) {
  .article-main-content {
    padding: 44px 36px;
  }
}

/* 文章头部 */
.article-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.article-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.article-pill {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(131, 232, 250, 0.1);
  color: var(--color-cyan);
  border: 1px solid rgba(131, 232, 250, 0.25);
}

.article-h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  line-height: 1.3;
  color: #FFFFFF;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

@media (min-width: 768px) {
  .article-h1 {
    font-size: 2.5rem;
  }
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 0.86rem;
  color: var(--color-text-dim);
}

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

/* 题图特色赛车海报横幅 */
.article-featured-image {
  margin-bottom: 32px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(131, 232, 250, 0.15);
  background: #111327;
  aspect-ratio: 16 / 9;
}

.article-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 文章正文排版规范 */
.article-body {
  color: #DDE2F7;
  font-size: 1.05rem;
  line-height: 1.85;
  letter-spacing: 0.2px;
}

.article-body p {
  margin-bottom: 22px;
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-top: 40px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(131, 232, 250, 0.25);
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-body h2::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 22px;
  background: var(--color-sunset);
  border-radius: 2px;
}

.article-body h3 {
  font-size: 1.28rem;
  font-weight: 600;
  color: var(--color-cyan);
  margin-top: 28px;
  margin-bottom: 14px;
}

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

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

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

.article-body blockquote {
  background: rgba(17, 19, 39, 0.6);
  border-left: 4px solid var(--color-sunset);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 24px 0;
  color: var(--color-text-sub);
  font-size: 0.98rem;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  background: rgba(17, 19, 39, 0.5);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: 0.92rem;
}

.article-body th,
.article-body td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-body th {
  background: rgba(131, 232, 250, 0.1);
  color: var(--color-cyan);
  font-weight: 700;
}

.article-body tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.article-body pre {
  background: #0E1022;
  border: 1px solid rgba(131, 232, 250, 0.2);
  border-radius: var(--radius-sm);
  padding: 16px;
  overflow-x: auto;
  margin: 20px 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #A3E7FC;
}

.article-body code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--color-sunset);
  font-size: 0.92em;
}

/* 文章内嵌入式商业转化卡片 */
.article-cta-box {
  background: linear-gradient(135deg, rgba(255, 140, 75, 0.15) 0%, rgba(131, 232, 250, 0.1) 100%);
  border: 1px solid var(--color-sunset);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 36px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

@media (min-width: 640px) {
  .article-cta-box {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.article-cta-text h4 {
  font-size: 1.25rem;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.article-cta-text p {
  font-size: 0.92rem;
  color: var(--color-text-sub);
  margin-bottom: 0 !important;
}

/* 侧边栏布局 */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.sidebar-widget-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.sidebar-list a {
  font-size: 0.92rem;
  color: var(--color-text-sub);
  display: block;
  line-height: 1.5;
  transition: all 0.2s ease;
}

.sidebar-list a:hover {
  color: var(--color-cyan);
  padding-left: 4px;
}

/* 文章底部关联文章推荐 */
.related-articles-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.related-articles-section h3 {
  font-size: 1.35rem;
  color: #FFFFFF;
  margin-bottom: 20px;
}

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

@media (min-width: 640px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.related-card {
  background: rgba(17, 19, 39, 0.6);
  border: 1px solid rgba(131, 232, 250, 0.15);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.related-card:hover {
  border-color: var(--color-cyan);
  transform: translateY(-2px);
}

.related-card h4 {
  font-size: 1rem;
  color: #FFFFFF;
  margin-bottom: 6px;
  line-height: 1.4;
}

.related-card p {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  line-height: 1.5;
  margin-bottom: 0;
}

/* 独立静态单页专用卡片 (关于/条款/隐私/网站地图) */
.page-container-standalone {
  max-width: 900px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
}

@media (min-width: 768px) {
  .page-container-standalone {
    padding: 50px 48px;
  }
}

.page-standalone-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 24px;
  margin-bottom: 32px;
  text-align: center;
}

.page-standalone-h1 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.page-standalone-subtitle {
  color: var(--color-text-dim);
  font-size: 0.95rem;
}