.page-news {
  --news-bg: #F5F0FF;
  --track-width: 80px;
  --card-radius: 8px;
  --border-guide: #FFD700;
  --border-member: #00E5FF;
  --border-event: #7FFF00;
  --tab-bg: rgba(74, 0, 128, 0.08);
  --tab-active: #4A0080;
  color: #1A1A2E;
  background: var(--news-bg);
  font-family: var(--font-body, 'Noto Serif SC', 'Georgia', serif);
}

/* 面包屑 */
.page-news .breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px 0;
  font-size: 14px;
  font-family: var(--font-mono, 'Courier Prime', monospace);
  color: var(--text-secondary, #B0B0B0);
}
.page-news .breadcrumb a {
  color: var(--secondary, #FFD700);
  text-decoration: none;
  transition: opacity 0.25s;
}
.page-news .breadcrumb a:hover {
  opacity: 0.75;
}
.page-news .breadcrumb .sep {
  margin: 0 8px;
  color: var(--primary, #4A0080);
}
.page-news .breadcrumb span[aria-current="page"] {
  color: var(--primary, #4A0080);
  font-weight: 600;
}

/* 页面头部 */
.page-news .page-head {
  position: relative;
  width: 100%;
  max-height: 400px;
  overflow: hidden;
  margin-bottom: 40px;
}
.page-news .page-bg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  object-position: center 30%;
}
.page-news .page-head-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, rgba(74,0,128,0.75) 0%, rgba(26,26,46,0.6) 100%);
  padding: 20px;
  text-align: center;
}
.page-news .page-title {
  font-family: var(--font-heading, 'Futura PT', 'Segoe UI', sans-serif);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--secondary, #FFD700);
  text-shadow: 0 2px 16px rgba(0,0,0,0.5);
  margin: 0 0 8px;
}
.page-news .page-desc {
  font-family: var(--font-body, 'Noto Serif SC', 'Georgia', serif);
  font-size: 18px;
  color: var(--text-primary, #FFFFFF);
  opacity: 0.9;
  margin: 0;
  max-width: 480px;
  line-height: 1.5;
}

/* 容器 */
.page-news .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* 通用section标题 */
.page-news .section-title {
  font-family: var(--font-heading, 'Futura PT', 'Segoe UI', sans-serif);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary, #4A0080);
  margin: 0 0 24px;
  padding-bottom: 12px;
  border-bottom: 4px solid var(--secondary, #FFD700);
  display: inline-block;
}

/* 分类标签（筛选） */
.page-news .category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.page-news .tab-btn {
  padding: 8px 20px;
  font-family: var(--font-mono, 'Courier Prime', monospace);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-secondary, #B0B0B0);
  background: var(--tab-bg);
  border: 2px solid transparent;
  border-radius: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.page-news .tab-btn:hover {
  border-color: var(--secondary, #FFD700);
  color: var(--primary, #4A0080);
}
.page-news .tab-btn.is-active {
  background: var(--primary, #4A0080);
  color: var(--secondary, #FFD700);
  border-color: var(--secondary, #FFD700);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.35);
}

/* —— 近期更新 时间线 —— */
.page-news .updates-section {
  margin-bottom: 64px;
}
.page-news .timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-left: var(--track-width);
}
/* 金色轨道线 */
.page-news .timeline::before {
  content: '';
  position: absolute;
  left: calc(var(--track-width) / 2 - 2px);
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--secondary, #FFD700), var(--accent1, #00E5FF));
  border-radius: 2px;
}

/* 每个更新卡片 */
.page-news .update-card {
  position: relative;
  display: flex;
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.page-news .update-card.revealed {
  opacity: 1;
  transform: translateY(0);
}
/* 不同延迟通过内联data-delay实现，但CSS fallback统一 */
@media (prefers-reduced-motion: reduce) {
  .page-news .update-card {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* 时间标记 */
.page-news .time-marker {
  position: absolute;
  left: calc(-1 * var(--track-width));
  top: 0;
  width: var(--track-width);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 4px;
}
.page-news .batch {
  font-family: var(--font-mono, 'Courier Prime', monospace);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary, #4A0080);
  background: var(--secondary, #FFD700);
  padding: 2px 10px;
  border-radius: 10px;
  letter-spacing: 0.5px;
  white-space: nowrap;
  margin-bottom: 6px;
}
.page-news .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--secondary, #FFD700);
  border: 3px solid var(--news-bg);
  box-shadow: 0 0 0 4px var(--primary, #4A0080), 0 0 0 6px var(--secondary, #FFD700);
  z-index: 2;
  flex-shrink: 0;
}

/* 卡片内容 */
.page-news .card-content {
  flex: 1;
  background: #FFFFFF;
  border-radius: var(--card-radius);
  padding: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
  border-left: 6px solid var(--secondary, #FFD700);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.page-news .card-content:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.18);
  transform: translateY(-2px);
}
/* 边框颜色变体 */
.page-news .card-content.border-guide { border-left-color: var(--border-guide); }
.page-news .card-content.border-member { border-left-color: var(--border-member); }
.page-news .card-content.border-event { border-left-color: var(--border-event); }

.page-news .card-text {
  flex: 1;
  min-width: 180px;
}
.page-news .card-title {
  font-family: var(--font-heading, 'Futura PT', 'Segoe UI', sans-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary, #4A0080);
  margin: 0 0 10px;
  letter-spacing: 0.5px;
}
.page-news .card-text p {
  font-size: 16px;
  line-height: 1.6;
  color: #2D2D3A;
  margin: 0 0 14px;
}
.page-news .card-link {
  display: inline-block;
  font-family: var(--font-mono, 'Courier Prime', monospace);
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary, #FFD700);
  background: var(--primary, #4A0080);
  padding: 6px 16px;
  border-radius: 20px;
  text-decoration: none;
  transition: background 0.3s, box-shadow 0.3s;
}
.page-news .card-link:hover {
  background: #3A0066;
  box-shadow: 0 0 16px rgba(255, 215, 0, 0.3);
}
.page-news .card-img {
  width: 240px;
  height: 160px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
  border: 2px solid rgba(74, 0, 128, 0.12);
  transition: border-color 0.3s;
}
.page-news .card-content:hover .card-img {
  border-color: var(--secondary, #FFD700);
}

/* —— 分类索引 —— */
.page-news .categories-section {
  margin-bottom: 48px;
}
.page-news .category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.page-news .category-card {
  background: #FFFFFF;
  border-radius: var(--card-radius);
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  border: 2px solid rgba(74, 0, 128, 0.10);
  transition: box-shadow 0.3s, transform 0.3s;
  opacity: 0;
  transform: translateY(12px);
}
.page-news .category-card.revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .page-news .category-card {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
.page-news .category-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  transform: translateY(-3px);
}
.page-news .category-icon-wrap {
  text-align: center;
  margin-bottom: 12px;
}
.page-news .category-icon {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--secondary, #FFD700);
  padding: 4px;
  background: var(--news-bg);
}
.page-news .category-name {
  font-family: var(--font-heading, 'Futura PT', 'Segoe UI', sans-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--primary, #4A0080);
  text-align: center;
  margin: 0 0 16px;
  letter-spacing: 1px;
}
.page-news .category-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}
.page-news .category-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(74, 0, 128, 0.08);
  font-size: 15px;
}
.page-news .category-list li:last-child {
  border-bottom: none;
}
.page-news .category-list a {
  color: #2D2D3A;
  text-decoration: none;
  transition: color 0.25s;
}
.page-news .category-list a:hover {
  color: var(--secondary, #FFD700);
}
.page-news .badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 12px;
  letter-spacing: 0.5px;
  white-space: nowrap;
  background: #E8E0F0;
  color: var(--primary, #4A0080);
}
.page-news .badge-guide { background: #FFF3CC; color: #8A6D00; }
.page-news .badge-member { background: #CCF5FF; color: #007A8A; }
.page-news .badge-event { background: #D8FFCC; color: #2D6B00; }
.page-news .category-cal {
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 300 / 200;
  object-fit: cover;
  border-radius: 6px;
  margin-top: 12px;
  border: 2px solid rgba(74, 0, 128, 0.10);
}

/* 工具类 */
.page-news .mono {
  font-family: var(--font-mono, 'Courier Prime', monospace);
}

/* ===== 响应式 ===== */
/* 移动端优先 —— 窄屏默认 */
@media (max-width: 767px) {
  .page-news {
    --track-width: 44px;
  }
  .page-news .page-title {
    font-size: 32px;
    letter-spacing: 1px;
  }
  .page-news .page-desc {
    font-size: 15px;
  }
  .page-news .page-head {
    max-height: 260px;
    margin-bottom: 24px;
  }
  .page-news .page-bg {
    max-height: 260px;
  }
  .page-news .container {
    padding: 0 12px 40px;
  }
  .page-news .section-title {
    font-size: 26px;
  }
  .page-news .timeline {
    padding-left: var(--track-width);
  }
  .page-news .timeline::before {
    left: calc(var(--track-width) / 2 - 2px);
  }
  .page-news .time-marker {
    left: calc(-1 * var(--track-width));
    width: var(--track-width);
  }
  .page-news .batch {
    font-size: 10px;
    padding: 1px 6px;
  }
  .page-news .dot {
    width: 12px;
    height: 12px;
    border-width: 2px;
  }
  .page-news .card-content {
    padding: 14px;
    flex-direction: column;
  }
  .page-news .card-img {
    width: 100%;
    height: auto;
    max-height: 140px;
    object-fit: cover;
  }
  .page-news .card-title {
    font-size: 19px;
  }
  .page-news .category-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .page-news .category-card {
    padding: 18px;
  }
  .page-news .category-icon {
    width: 80px;
    height: 80px;
  }
  .page-news .category-cal {
    max-width: 100%;
  }
  .page-news .breadcrumb {
    padding: 12px 12px 0;
    font-size: 12px;
  }
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-news .category-card {
    transition-duration: 0.4s;
  }
  .page-news .card-content {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-news .card-img {
    width: 240px;
    height: 160px;
    object-fit: cover;
  }
  .page-news .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 超大屏微调 */
@media (min-width: 1200px) {
  .page-news .container {
    padding-left: 0;
    padding-right: 0;
  }
  .page-news .page-head-overlay {
    padding: 40px;
  }
  .page-news .page-title {
    font-size: 56px;
  }
}