/* ===== 最新动态页专属样式 ===== */
.page-news {
  --tl-node-size: 14px;
  --tl-node-border: 4px;
  --tl-line-width: 3px;
  --tl-color: var(--color-primary);
  --tl-color-alt: var(--color-secondary);
  --card-radius-local: var(--card-radius, 12px);
  --card-gap: 2rem;
  --section-gap-local: 4.5rem;
  --hero-pulse-duration: 3s;

  position: relative;
  background-color: var(--color-bg);
  color: var(--color-text);
  padding-top: 1.5rem;
  padding-bottom: 3rem;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  margin-bottom: 1rem;
  padding: 0 var(--max-width, 1200px) * 0.03;
  max-width: var(--max-width, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.page-news .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--color-text-muted);
  opacity: 0.5;
}
.page-news .breadcrumb-link {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}
.page-news .breadcrumb-link:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}
.page-news .breadcrumb-current {
  color: var(--color-text-muted);
  font-weight: 600;
}

/* ---------- Hero 区 ---------- */
.page-news_hero {
  position: relative;
  margin-bottom: 2.5rem;
  padding: 2rem 0 1.5rem;
}
.page-news_hero .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.page-news_hero-content {
  flex: 1 1 280px;
  min-width: 0;
}
.page-news_hero-content .exhibit-label {
  margin-bottom: 0.75rem;
}
.page-news_hero-content h1 {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 2.2rem;
  line-height: 1.15;
  color: var(--color-primary);
  margin: 0 0 0.6rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.page-news_hero-desc {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0;
}
.page-news_hero-visual {
  flex: 0 0 auto;
  width: 280px;
  height: 120px;
  opacity: 0.85;
}
.page-news_hero-visual svg {
  width: 100%;
  height: 100%;
  display: block;
  animation: page-news_pulseGlow var(--hero-pulse-duration) ease-in-out infinite alternate;
}
@keyframes page-news_pulseGlow {
  0% { filter: drop-shadow(0 0 6px rgba(0,245,255,0.2)); }
  100% { filter: drop-shadow(0 0 18px rgba(0,245,255,0.6)); }
}

/* ---------- 时间线包装器 ---------- */
.page-news_timeline-wrapper {
  position: relative;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 1rem;
}
.page-news_timeline-track {
  display: none;
}

/* ---------- 时间线节点（共享） ---------- */
.page-news_node {
  display: block;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-primary);
  z-index: 2;
  position: relative;
}
.page-news_node--event {
  width: var(--tl-node-size);
  height: var(--tl-node-size);
  background: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 calc(var(--tl-node-border) + 1px) var(--color-primary);
}
.page-news_node--milestone {
  width: calc(var(--tl-node-size) + 6px);
  height: calc(var(--tl-node-size) + 6px);
  background: var(--color-secondary);
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 calc(var(--tl-node-border) + 1px) var(--color-secondary);
}
.page-news_node--sidebar {
  background: var(--color-accent-blue);
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 calc(var(--tl-node-border) + 1px) var(--color-accent-blue);
}

/* ---------- 板块 ---------- */
.page-news_section {
  position: relative;
  padding: 0 0 0 2rem;
  margin-bottom: var(--section-gap-local);
}
.page-news_section::before {
  content: "";
  position: absolute;
  left: calc(var(--tl-node-size) / 2 + 6px);
  top: 0;
  bottom: 0;
  width: var(--tl-line-width);
  background: linear-gradient(to bottom, var(--tl-color), var(--tl-color-alt));
  opacity: 0.3;
  border-radius: 4px;
  z-index: 0;
}
.page-news_section:last-of-type {
  margin-bottom: var(--section-gap-local);
}

.page-news_section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}
.page-news_section-header .exhibit-label {
  margin: 0;
  flex-shrink: 0;
}
.page-news_section-header h2 {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.6rem;
  line-height: 1.2;
  color: var(--color-text);
  margin: 0;
  letter-spacing: -0.01em;
}
.page-news_section-header .page-news_node {
  margin-left: calc(-2rem - var(--tl-node-size) / 2 - 3px);
}

/* ---------- 卡片容器 ---------- */
.page-news_cards {
  display: flex;
  flex-direction: column;
  gap: var(--card-gap);
  position: relative;
  z-index: 1;
}

/* ---------- 单张卡片 ---------- */
.page-news_card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.page-news_card .page-news_node--event {
  margin-top: 1rem;
  margin-left: calc(-2rem - var(--tl-node-size) / 2 - 3px);
  flex-shrink: 0;
}

.page-news_card-inner {
  flex: 1;
  min-width: 0;
  background: var(--color-surface);
  border-radius: var(--card-radius-local);
  border: 1px solid rgba(0,245,255,0.12);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.page-news_card-inner:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 20px rgba(0,245,255,0.08);
  border-color: rgba(0,245,255,0.35);
}

.page-news_card-image {
  width: 100%;
  background: #0d1b2a;
}
.page-news_card-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 400 / 200;
}

.page-news_card-body {
  padding: 1.2rem 1.25rem 1.25rem;
}

.page-news_card-title {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--color-text);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

/* ---------- details/summary 展开交互 ---------- */
.page-news_card-details {
  display: block;
  font-family: var(--font-body);
}
.page-news_card-details[open] .page-news_card-summary-text {
  color: var(--color-text);
}
.page-news_card-details[open] .page-news_card-toggle {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.page-news_card-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  cursor: pointer;
  list-style: none;
  padding: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  transition: color 0.2s;
  user-select: none;
}
.page-news_card-summary::-webkit-details-marker {
  display: none;
}
.page-news_card-summary:hover {
  color: var(--color-text);
}
.page-news_card-summary-text {
  flex: 1;
  min-width: 0;
}

.page-news_card-toggle {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--color-primary);
  border-radius: 20px;
  transition: transform 0.3s, color 0.3s, background 0.3s;
  white-space: nowrap;
}
.page-news_card-toggle:hover {
  background: rgba(0,245,255,0.08);
}

.page-news_card-detail {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(0,245,255,0.15);
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text);
}
.page-news_card-detail p {
  margin: 0 0 0.5rem;
}
.page-news_card-detail p:last-child {
  margin-bottom: 0;
}

.page-news_card-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
  margin-top: 0.6rem;
}

.page-news_inline-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.page-news_inline-link:hover {
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

/* ---------- 侧边推荐 ---------- */
.page-news_sidebar {
  position: relative;
  padding: 0 0 0 2rem;
  margin-top: 1rem;
}
.page-news_sidebar::before {
  content: "";
  position: absolute;
  left: calc(var(--tl-node-size) / 2 + 6px);
  top: 0;
  bottom: 0;
  width: var(--tl-line-width);
  background: linear-gradient(to bottom, var(--color-accent-blue), var(--color-accent-orange));
  opacity: 0.2;
  border-radius: 4px;
  z-index: 0;
}
.page-news_sidebar .page-news_node--sidebar {
  margin-left: calc(-2rem - var(--tl-node-size) / 2 - 3px);
  margin-top: 1.5rem;
  flex-shrink: 0;
}

.page-news_sidebar-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}
.page-news_sidebar-inner {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  background: var(--color-surface);
  border-radius: var(--card-radius-local);
  border: 1px solid rgba(10,130,255,0.15);
  padding: 1.2rem;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.page-news_sidebar-inner:hover {
  transform: translateY(-3px);
  border-color: rgba(10,130,255,0.35);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 20px rgba(10,130,255,0.08);
}
.page-news_sidebar-image {
  flex: 0 0 120px;
  max-width: 180px;
  border-radius: 8px;
  overflow: hidden;
  background: #0d1b2a;
}
.page-news_sidebar-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 1 / 1;
}
.page-news_sidebar-content {
  flex: 1;
  min-width: 180px;
}
.page-news_sidebar-content .exhibit-label {
  margin-bottom: 0.4rem;
}
.page-news_sidebar-title {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.2rem;
  line-height: 1.25;
  color: var(--color-text);
  margin: 0 0 0.4rem;
}
.page-news_sidebar-text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 0 0.8rem;
}
.page-news_sidebar-link {
  font-size: 0.85rem;
  padding: 0.4rem 1.2rem;
  display: inline-block;
}

/* ---------- 响应式 ---------- */
/* 移动端优先，上述为窄屏样式 */
@media (min-width: 768px) {
  .page-news {
    padding-top: 2rem;
    padding-bottom: 4rem;
  }
  .page-news_hero {
    padding: 2.5rem 0 2rem;
  }
  .page-news_hero-content h1 {
    font-size: 2.8rem;
  }
  .page-news_hero-desc {
    font-size: 1.05rem;
  }
  .page-news_hero-visual {
    width: 320px;
    height: 140px;
  }

  .page-news_timeline-wrapper {
    padding: 0 1.5rem;
  }
  .page-news_section {
    padding-left: 2.8rem;
  }
  .page-news_section::before {
    left: calc(var(--tl-node-size) / 2 + 8px);
  }
  .page-news_section-header h2 {
    font-size: 1.8rem;
  }
  .page-news_section-header .page-news_node {
    margin-left: calc(-2.8rem - var(--tl-node-size) / 2 - 3px);
  }

  .page-news_card .page-news_node--event {
    margin-left: calc(-2.8rem - var(--tl-node-size) / 2 - 3px);
  }

  .page-news_card-inner {
    display: flex;
    flex-direction: row;
  }
  .page-news_card-image {
    flex: 0 0 220px;
    max-width: 260px;
  }
  .page-news_card-img {
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
  }
  .page-news_card-body {
    flex: 1;
    padding: 1.25rem 1.5rem;
  }
  .page-news_card-title {
    font-size: 1.2rem;
  }

  .page-news_sidebar {
    padding-left: 2.8rem;
  }
  .page-news_sidebar .page-news_node--sidebar {
    margin-left: calc(-2.8rem - var(--tl-node-size) / 2 - 3px);
  }
  .page-news_sidebar-inner {
    flex-wrap: nowrap;
    align-items: center;
    padding: 1.5rem;
  }
  .page-news_sidebar-image {
    flex: 0 0 140px;
    max-width: 160px;
  }
  .page-news_sidebar-title {
    font-size: 1.3rem;
  }
}

@media (min-width: 1024px) {
  .page-news_hero-content h1 {
    font-size: 3.2rem;
  }
  .page-news_hero-visual {
    width: 360px;
    height: 160px;
  }
  .page-news_section {
    padding-left: 3.2rem;
  }
  .page-news_section::before {
    left: calc(var(--tl-node-size) / 2 + 10px);
  }
  .page-news_section-header h2 {
    font-size: 2rem;
  }
  .page-news_section-header .page-news_node {
    margin-left: calc(-3.2rem - var(--tl-node-size) / 2 - 3px);
  }
  .page-news_card .page-news_node--event {
    margin-left: calc(-3.2rem - var(--tl-node-size) / 2 - 3px);
  }
  .page-news_card-image {
    flex: 0 0 260px;
    max-width: 300px;
  }
  .page-news_card-body {
    padding: 1.5rem 1.8rem;
  }
  .page-news_card-title {
    font-size: 1.3rem;
  }
  .page-news_sidebar {
    padding-left: 3.2rem;
  }
  .page-news_sidebar .page-news_node--sidebar {
    margin-left: calc(-3.2rem - var(--tl-node-size) / 2 - 3px);
  }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-news_hero-visual svg {
    animation: none;
  }
  .page-news_card-inner,
  .page-news_sidebar-inner {
    transition: none;
  }
  .page-news_hero-visual {
    opacity: 0.9;
  }
}
</style>

```