/* ============================================================
 * article-base.css — 资讯与指南页面的通用排版样式
 * 避免在每个 html 文件中重复编写大量的通用类名样式
 * ============================================================ */

.card {
  background: var(--pico-card-background-color, var(--bg-card));
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--pico-muted-border-color, var(--border-subtle));
}

.card h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color, var(--accent-cyan));
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.feature-item {
  background: rgba(139, 92, 246, 0.1);
  border-radius: 8px;
  padding: 1rem;
  border-left: 3px solid var(--primary-color, var(--accent-cyan));
}

.feature-item h4 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--pico-muted-color, var(--text-secondary));
  margin: 0;
}

.badge {
  display: inline-block;
  background: var(--primary-color, var(--accent-cyan));
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.8rem;
  margin-left: 0.5rem;
  font-weight: 600;
}

.badge.new {
  background: var(--accent-red, #e74c3c);
}
.badge.hot {
  background: var(--accent-yellow, #f39c12);
}
.badge.future {
  background: var(--accent-purple, #8b5cf6);
}

/* 时间轴 */
.timeline {
  position: relative;
  padding-left: 2rem;
  margin: 1.5rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--primary-color),
    var(--secondary-color, var(--accent-purple))
  );
}

.timeline-item {
  position: relative;
  padding-bottom: 1.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.65rem;
  top: 0.5rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary-color, var(--accent-cyan));
}

.timeline-item .date {
  font-size: 0.85rem;
  color: var(--primary-color, var(--accent-cyan));
  font-weight: 600;
}

/* 提示框 */
.highlight-box,
.tip-box {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(245, 158, 11, 0.15) 100%);
  border-left: 4px solid var(--primary-color, var(--accent-cyan));
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 12px 12px 0;
}

/* 版本与对比卡片 */
.version-card {
  background: rgba(139, 92, 246, 0.05);
  border: 2px solid var(--pico-muted-border-color, var(--border-subtle));
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: border-color 0.3s;
}

.version-card:hover,
.version-card.latest {
  border-color: var(--primary-color, var(--accent-cyan));
}

/* 表格 */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.comparison-table th,
.comparison-table td {
  padding: 0.75rem;
  text-align: center;
  border-bottom: 1px solid var(--pico-muted-border-color, var(--border-subtle));
}

.comparison-table th {
  background: rgba(139, 92, 246, 0.1);
  font-weight: 600;
}

.comparison-table .highlight {
  background: rgba(139, 92, 246, 0.15);
  font-weight: 600;
}

.breadcrumb {
  background: var(--bg-surface, rgba(255, 255, 255, 0.95));
  padding: 8px 15px;
  border-radius: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  font-size: 0.85rem;
}

.breadcrumb a {
  color: var(--accent-blue, #667eea);
  text-decoration: none;
}