.page-news {
  position: relative;
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

.page-news .lede {
  max-width: 60ch;
}

/* ---------- 栏目头部 ---------- */
.page-news .news-hero {
  position: relative;
  padding: calc(var(--header-h) + 52px) 0 56px;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(147, 162, 189, .07) 0 1px,
    transparent 1px 96px
  );
  isolation: isolate;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -26%;
  width: 118%;
  height: 86%;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(
    128deg,
    rgba(142, 31, 63, .78) 0%,
    rgba(107, 77, 246, .3) 42%,
    rgba(0, 233, 212, .06) 62%,
    transparent 76%
  );
  clip-path: polygon(42% 0, 100% 0, 100% 82%, 0 100%);
}

.page-news .news-hero .breadcrumbs {
  margin-bottom: 34px;
}

.page-news .news-hero__grid {
  display: grid;
  gap: 34px;
}

.page-news .news-hero__copy .display-title {
  margin: 14px 0 18px;
}

.page-news .news-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__figure {
  margin: 0;
  clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 100%);
}

/* ---------- 通用分区头 ---------- */
.page-news .news-section__head {
  max-width: 760px;
  margin-bottom: 38px;
}

.page-news .news-section__head .section-title {
  margin: 12px 0 14px;
}

.page-news .news-section__intro {
  margin: 0;
  max-width: 62ch;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 01 时间轴 ---------- */
.page-news .news-timeline {
  padding: 60px 0 48px;
  border-top: 1px solid var(--line);
}

.page-news .timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 30px;
  width: 1px;
  background: linear-gradient(
    180deg,
    var(--cyan) 0%,
    rgba(0, 233, 212, .32) 18%,
    var(--line-strong) 56%,
    transparent 100%
  );
}

.page-news .timeline__item {
  position: relative;
  padding: 0 0 34px 42px;
}

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

.page-news .timeline__marker {
  position: absolute;
  left: 0;
  top: 4px;
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  z-index: 1;
}

.page-news .timeline__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 233, 212, .16);
  animation: news-pulse 2.8s var(--ease) infinite;
}

@keyframes news-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(0, 233, 212, .16); }
  50%      { box-shadow: 0 0 0 10px rgba(0, 233, 212, .02); }
}

.page-news .timeline__card {
  position: relative;
  overflow: hidden;
  padding: 22px 20px 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(22, 35, 58, .88) 0%, rgba(12, 20, 36, .94) 100%);
}

.page-news .timeline__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 233, 212, .06) 62%, transparent);
}

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

.page-news .timeline__stage {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-news .timeline__title {
  margin: 0 0 16px;
  font-size: 19px;
  line-height: 1.42;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-news .timeline__body {
  display: grid;
  gap: 18px;
}

.page-news .timeline__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-news .timeline__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .timeline__prose p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .timeline__prose p:last-child {
  margin-bottom: 0;
}

/* 展开组件在时间轴内的局部调优 */
.page-news .timeline__card .disclose__trigger {
  color: var(--text);
}

.page-news .timeline__card .disclose__label {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 02 分类 ---------- */
.page-news .news-cats {
  padding: 56px 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(12, 20, 36, .74) 16%,
    rgba(12, 20, 36, .74) 84%,
    transparent 100%
  );
}

.page-news .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .cat-card {
  position: relative;
  overflow: hidden;
  padding: 26px 22px 24px;
  border-radius: var(--radius);
  background: rgba(22, 35, 58, .5);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .cat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 233, 212, .04));
}

.page-news .cat-card:hover {
  background: rgba(22, 35, 58, .78);
  transform: translateY(-3px);
}

.page-news .cat-card__idx {
  display: block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
  margin-bottom: 14px;
}

.page-news .cat-card__title {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-news .cat-card__text {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .cat-card__owner {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 03 版本记录 ---------- */
.page-news .news-versions {
  padding: 56px 0;
}

.page-news .ver-layout {
  display: grid;
  gap: 26px;
}

.page-news .ver-figure {
  margin: 0;
}

.page-news .ver-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ver;
}

.page-news .ver-item {
  display: grid;
  gap: 12px;
  padding: 20px 20px 22px;
  border-radius: var(--radius);
  background: rgba(12, 20, 36, .88);
  position: relative;
}

.page-news .ver-item::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(107, 77, 246, .8), transparent 82%);
}

.page-news .ver-item__badge {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--muted);
}

.page-news .ver-item__badge--cyan { color: var(--cyan); }
.page-news .ver-item__badge--violet { color: var(--violet); }
.page-news .ver-item__badge--muted { color: var(--muted); }

.page-news .ver-item__when {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-news .ver-item__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-news .ver-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .ver-note {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .ver-note a,
.page-news .news-foot__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 233, 212, .35);
}

.page-news .ver-note a:hover,
.page-news .news-foot__text a:hover {
  color: var(--cyan-deep);
  border-bottom-color: var(--cyan-deep);
}

/* ---------- 04 专题系列 ---------- */
.page-news .news-series {
  padding: 56px 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(142, 31, 63, .16) 38%,
    rgba(107, 77, 246, .1) 70%,
    transparent 100%
  );
}

.page-news .series-layout {
  display: grid;
  gap: 26px;
}

.page-news .series-list {
  display: grid;
  gap: 12px;
}

.page-news .series-item {
  padding: 22px 20px 24px;
  border-radius: var(--radius);
  background: rgba(5, 7, 12, .62);
  position: relative;
  overflow: hidden;
}

.page-news .series-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 233, 212, .55), transparent 70%);
}

.page-news .series-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-news .series-item__no {
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-news .series-item__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-news .series-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .series-figure {
  margin: 0;
  clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
}

/* ---------- 05 订阅与推送 ---------- */
.page-news .news-subscribe {
  padding: 56px 0 72px;
}

.page-news .news-subscribe__panel {
  padding: 30px 22px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-line);
}

.page-news .news-subscribe__head {
  max-width: 680px;
  margin-bottom: 30px;
}

.page-news .news-subscribe__head .section-title {
  margin: 12px 0 14px;
}

.page-news .news-subscribe__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .sub-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .sub-item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 16px;
  border-radius: var(--radius);
  background: rgba(5, 7, 12, .55);
}

.page-news .sub-item__dot {
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 233, 212, .14);
}

.page-news .sub-item__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-news .sub-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-news .news-foot {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-news .news-foot__text {
  margin: 0 0 14px;
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-news .news-foot__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-news .sub-item {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

@media (min-width: 900px) {
  .page-news .news-hero {
    padding: calc(var(--header-h) + 74px) 0 76px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: 52px;
    align-items: center;
  }

  .page-news .news-timeline,
  .page-news .news-cats,
  .page-news .news-versions,
  .page-news .news-series {
    padding: 76px 0;
  }

  .page-news .news-subscribe {
    padding: 76px 0 92px;
  }

  .page-news .timeline__item {
    padding: 0 0 40px 64px;
  }

  .page-news .timeline::before {
    left: 15px;
  }

  .page-news .timeline__marker {
    left: 4px;
    top: 6px;
  }

  .page-news .timeline__card {
    padding: 28px 30px 30px;
  }

  .page-news .timeline__title {
    font-size: 22px;
  }

  .page-news .timeline__body {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-news .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-news .ver-layout {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 34px;
    align-items: start;
  }

  .page-news .ver-item {
    grid-template-columns: 106px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
    padding: 22px 24px;
  }

  .page-news .series-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 34px;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-news .news-hero::before {
    right: -18%;
    width: 108%;
  }

  .page-news .news-subscribe__panel {
    padding: 46px 48px 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .timeline__dot {
    animation: none;
  }

  .page-news .cat-card {
    transition: none;
  }
}