.page-news {
  --news-rail: 208px;
  --news-node: 46px;
  padding-bottom: 72px;
}

.page-news .breadcrumb {
  margin-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: 26px;
}

.page-news .news-hero h1 {
  margin: 16px 0 0;
  max-width: 20em;
  font-size: clamp(28px, 6.2vw, 52px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--c-mist);
}

.page-news .news-hero h1 em {
  font-style: normal;
  color: var(--c-amber);
}

.page-news .news-hero .lede {
  margin: 20px 0 0;
  max-width: 44em;
}

.page-news .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-tags a {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--edge-line);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-news .news-tags a:hover {
  color: var(--c-amber);
  border-color: rgba(255, 179, 71, 0.45);
  background: rgba(255, 179, 71, 0.07);
}

.page-news .news-hero__media {
  margin-top: 36px;
}

.page-news .media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--edge-line);
  background: var(--c-panel);
  margin: 0;
}

.page-news .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-news .news-hero__media img {
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-news .media__caption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
  border-top: 1px solid var(--edge-line);
}

/* ---------- 两栏骨架 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 56px;
}

.page-news .news-flow > .section {
  margin-bottom: 68px;
}

.page-news .news-flow > .section:last-child {
  margin-bottom: 0;
}

/* ---------- 章节索引 ---------- */
.page-news .toc {
  border: 1px solid var(--edge-line);
  border-radius: var(--radius);
  padding: 16px 18px;
  background: linear-gradient(180deg, var(--glass-cyan), transparent);
}

.page-news .toc__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-news .toc__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .toc__list::-webkit-scrollbar {
  display: none;
}

.page-news .toc__list a {
  display: block;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13px;
  color: var(--c-mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-news .toc__list a:hover {
  color: var(--c-cyan);
}

.page-news .toc__list a[aria-current="true"] {
  color: var(--c-ink);
  background: var(--c-amber);
  border-color: var(--c-amber);
}

/* ---------- 章节标题 ---------- */
.page-news .section-head h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.3;
  letter-spacing: 0.015em;
  color: var(--c-mist);
}

.page-news .section-head .lede {
  margin: 14px 0 0;
  max-width: 42em;
}

/* ---------- 时间轴 ---------- */
.page-news .stream {
  position: relative;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-news .stream::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--edge-cyan), var(--edge-magenta) 62%, transparent);
}

.page-news .stream__item {
  position: relative;
  padding-left: 70px;
  padding-bottom: 28px;
}

.page-news .stream__item:last-child {
  padding-bottom: 0;
}

.page-news .stream__node {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--news-node);
  padding: 5px 8px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--c-amber);
  background: var(--c-ink);
  border: 1px solid rgba(255, 179, 71, 0.4);
  border-radius: 999px;
  box-shadow: 0 0 0 5px var(--c-ink);
}

.page-news .stream__card {
  border-left: 2px solid var(--c-cyan);
}

.page-news .stream__item[data-kind="event"] .stream__card {
  border-left-color: var(--c-amber);
}

.page-news .stream__item[data-kind="case"] .stream__card {
  border-left-color: var(--c-magenta);
}

.page-news .stream__item[data-kind="doc"] .stream__card {
  border-left-color: var(--c-muted);
}

.page-news .stream__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
}

.page-news .stream__when {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-news .stream__card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.5;
  color: var(--c-mist);
}

.page-news .stream__card p {
  margin: 0;
}

.page-news .stream__figure {
  margin: 16px 0 0;
}

.page-news .stream__figure img {
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-news .stream__more {
  margin-top: 14px;
}

.page-news .stream__more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-news .stream__more summary::-webkit-details-marker {
  display: none;
}

.page-news .stream__more summary::after {
  content: "＋";
  font-size: 12px;
}

.page-news .stream__more[open] summary::after {
  content: "－";
}

.page-news .stream__more p {
  margin-top: 10px;
  color: var(--c-muted);
}

.page-news .news-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-news .news-note a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--edge-cyan);
}

.page-news .news-note a:hover {
  color: var(--c-amber);
  border-bottom-color: rgba(255, 179, 71, 0.5);
}

/* ---------- 活动纪事 ---------- */
.page-news .event-block {
  margin-top: 28px;
}

.page-news .event-block__media img {
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-news .event-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-news .event-list__item {
  padding-left: 16px;
  border-left: 1px solid var(--edge-line);
}

.page-news .event-list__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-magenta);
}

.page-news .event-list__item h3 {
  margin: 6px 0 8px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--c-mist);
}

.page-news .event-list__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-muted);
}

/* ---------- 记录明细 ---------- */
.page-news .records-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 28px;
}

.page-news .rec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--edge-line);
  border: 1px solid var(--edge-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .rec-list__item {
  background: var(--c-panel);
  padding: 18px 20px;
}

.page-news .rec-list__key {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-news .rec-list__item h3 {
  margin: 8px 0 6px;
  font-size: 16px;
  color: var(--c-mist);
}

.page-news .rec-list__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-news .records-split__media img {
  aspect-ratio: 25 / 16;
  object-fit: cover;
}

/* ---------- 案例条目 ---------- */
.page-news .case-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--edge-line);
  border: 1px solid var(--edge-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .case-list__item {
  background: var(--c-ink);
  padding: 20px;
}

.page-news .case-list__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.page-news .case-list__ver {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

.page-news .case-list__item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.55;
}

.page-news .case-list__item h3 a {
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .case-list__item h3 a:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--edge-cyan);
}

.page-news .case-list__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
}

/* ---------- 阅读节奏 ---------- */
.page-news .cadence {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 28px;
  background: var(--edge-line);
  border: 1px solid var(--edge-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .cadence__cell {
  background: var(--c-panel);
  padding: 22px 20px;
}

.page-news .cadence__num {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-amber);
}

.page-news .cadence__cell h3 {
  margin: 10px 0 8px;
  font-size: 17px;
  color: var(--c-mist);
}

.page-news .cadence__cell p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

/* ---------- 结尾 ---------- */
.page-news .news-cta {
  border: 1px solid var(--edge-line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--glass-cyan), var(--glass-magenta));
  padding: 30px 22px;
}

.page-news .news-cta h2 {
  margin: 0 0 10px;
  font-size: clamp(20px, 4.2vw, 26px);
  line-height: 1.35;
  color: var(--c-mist);
}

.page-news .news-cta p {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 720px) {
  .page-news .cadence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .event-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-news .news-cta {
    padding: 38px 34px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 56px;
    margin-top: 76px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 112px;
    align-self: start;
  }

  .page-news .toc__list {
    flex-direction: column;
    flex-wrap: wrap;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-news .toc__list a {
    white-space: normal;
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--c-muted);
  }

  .page-news .records-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 36px;
  }

  .page-news .cadence {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .stream__item {
    padding-left: 84px;
  }

  .page-news .stream::before {
    left: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-tags a,
  .page-news .toc__list a,
  .page-news .case-list__item h3 a {
    transition: none;
  }
}
</PAGE_CSS>