.page-news {
  --news-sticky: var(--sticky-top);
  --news-gap: clamp(14px, 2.2vw, 22px);
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news .news-crumb {
  padding-top: 18px;
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--clay);
  color: var(--paper);
  padding: clamp(38px, 7vw, 84px) 0 clamp(30px, 5vw, 60px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: auto -14% -30% 34%;
  height: 84%;
  background: var(--clay-deep);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.88;
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.14;
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-news .news-hero .eyebrow {
  color: var(--gold);
}

.page-news .news-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 8.4vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  max-width: 18em;
}

.page-news .news-hero__lead {
  margin: 16px 0 0;
  max-width: 40em;
  color: rgba(251, 247, 241, 0.86);
  font-size: clamp(0.98rem, 2.6vw, 1.06rem);
  line-height: 1.85;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .news-hero__actions .btn {
  text-decoration: none;
}

.page-news .news-hero__actions .btn--solid {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-news .news-hero__actions .btn--ghost {
  border-color: rgba(251, 247, 241, 0.55);
  color: var(--paper);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 0;
  padding-top: 22px;
  border-top: 1px solid rgba(251, 247, 241, 0.3);
}

.page-news .news-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-news .news-hero__stats .stat__num {
  order: -1;
  margin: 0;
  font-size: clamp(1.8rem, 6.4vw, 2.7rem);
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-news .news-hero__stats .stat__label {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: rgba(251, 247, 241, 0.72);
}

/* ---------- 版本脉络带 ---------- */
.page-news .news-ruler-band {
  background: var(--sand);
}

.page-news .news-ruler {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: var(--paper);
}

.page-news .news-ruler__node {
  position: relative;
  flex: 0 0 min(80vw, 300px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 30px 22px 26px;
  border-right: 1px solid var(--line-soft);
  text-decoration: none;
  color: var(--ink);
  transition: background var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.page-news .news-ruler__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: var(--node-accent, var(--clay));
}

.page-news .news-ruler__node:nth-child(1) { --node-accent: var(--gold); }
.page-news .news-ruler__node:nth-child(2) { --node-accent: var(--peacock); }
.page-news .news-ruler__node:nth-child(3) { --node-accent: var(--clay-light); }
.page-news .news-ruler__node:nth-child(4) { --node-accent: var(--clay); }

.page-news .news-ruler__node:hover,
.page-news .news-ruler__node:focus-visible {
  background: var(--sand);
  transform: translateY(-2px);
}

.page-news .news-ruler__ver {
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  line-height: 1;
  color: var(--clay-deep);
}

.page-news .news-ruler__name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.98rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-news .news-ruler__desc {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .news-ruler__count {
  margin-top: auto;
  padding-top: 10px;
  font-size: 0.8rem;
  color: var(--peacock-deep);
}

.page-news .news-ruler__figure {
  margin-top: 26px;
}

/* ---------- 日志列表 ---------- */
.page-news .news-logband {
  background: var(--sand);
}

.page-news .news-banner {
  margin: 0 0 26px;
}

.page-news .news-filter {
  position: sticky;
  top: var(--news-sticky);
  z-index: 6;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  margin-bottom: 22px;
  background: var(--sand);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-filter .filter-bar__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-mute);
  white-space: nowrap;
}

.page-news .news-log__split {
  align-items: start;
}

.page-news .news-spine {
  padding-right: 16px;
}

.page-news .news-spine__label {
  margin: 0 0 12px;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
}

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

.page-news .news-spine__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--line-soft);
}

.page-news .news-spine__node {
  position: relative;
  padding: 9px 0 9px 24px;
}

.page-news .news-spine__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--clay);
}

.page-news .news-spine__node a {
  display: block;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.4;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .news-spine__node a .mono {
  color: var(--peacock-deep);
}

.page-news .news-spine__node a:hover,
.page-news .news-spine__node a:focus-visible {
  border-bottom-color: var(--peacock);
}

.page-news .news-group {
  scroll-margin-top: calc(var(--news-sticky) + 76px);
  margin-bottom: clamp(30px, 5vw, 52px);
}

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

.page-news .news-group__title {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 14px;
  background: var(--clay-deep);
  color: var(--paper);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.page-news .news-group__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .news-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  border-top-width: 3px;
  border-top-style: solid;
  border-top-color: var(--clay);
  background: var(--paper);
  min-width: 0;
  transition: transform var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.page-news .news-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(42, 28, 22, 0.09);
}

.page-news .news-item--version { border-top-color: var(--clay-deep); }
.page-news .news-item--entry { border-top-color: var(--clay); }
.page-news .news-item--spec { border-top-color: var(--peacock); }
.page-news .news-item--training { border-top-color: var(--gold); }
.page-news .news-item--channel { border-top-color: var(--clay-light); }
.page-news .news-item--series { border-top-color: var(--peacock-deep); }

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin: 0;
  font-size: 0.78rem;
  color: var(--ink-mute);
}

.page-news .news-item__meta .mono {
  color: var(--peacock-deep);
}

.page-news .news-item__when::before {
  content: "· ";
  color: var(--line);
}

.page-news .news-item .card__title {
  margin: 2px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.06rem;
  line-height: 1.45;
  color: var(--ink);
}

.page-news .news-item__sum {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .news-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0 0;
}

/* ---------- 专题 ---------- */
.page-news .news-series {
  border-top: 1px solid var(--line-soft);
}

.page-news .news-series__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-news .news-series__figure {
  margin: 0;
}

.page-news .news-series__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .news-series__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--paper);
  min-width: 0;
}

.page-news .news-series__item .card__meta {
  margin: 0;
  font-size: 0.78rem;
  color: var(--peacock-deep);
}

.page-news .news-series__item .card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.12rem;
  color: var(--ink);
}

.page-news .news-series__sum {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .news-series__item .accordion {
  margin-top: 6px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-series__item .accordion__trigger {
  width: 100%;
  padding: 10px 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: var(--peacock-deep);
  background: none;
  border: 0;
  cursor: pointer;
}

.page-news .news-series__item .accordion__trigger::after {
  content: "＋";
  float: right;
  font-family: var(--font-mono);
}

.page-news .news-series__item .accordion__trigger[aria-expanded="true"]::after {
  content: "－";
}

.page-news .news-series__issues {
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-news .news-series__issues li {
  display: flex;
  gap: 10px;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-news .news-series__issues .mono {
  flex: 0 0 auto;
  color: var(--clay);
  font-size: 0.8rem;
  padding-top: 2px;
}

/* ---------- 节奏 ---------- */
.page-news .news-cadence {
  background: var(--clay-deep);
  color: var(--paper);
}

.page-news .news-cadence .eyebrow,
.page-news .news-cadence .section__index {
  color: var(--gold);
}

.page-news .news-cadence .t-h2 {
  color: var(--paper);
}

.page-news .news-cadence .lead {
  color: rgba(251, 247, 241, 0.78);
}

.page-news .news-cadence__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
  align-items: start;
}

.page-news .news-cadence__list {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(251, 247, 241, 0.28);
}

.page-news .news-cadence__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(251, 247, 241, 0.28);
}

.page-news .news-cadence__row dt {
  font-size: 1.15rem;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-news .news-cadence__row dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: rgba(251, 247, 241, 0.82);
}

.page-news .news-cadence__note {
  display: grid;
  gap: 14px;
}

.page-news .news-cadence__note p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(251, 247, 241, 0.82);
}

.page-news .news-cadence__note .note {
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  background: rgba(232, 163, 61, 0.12);
  color: var(--paper);
  font-size: 0.92rem;
}

.page-news .news-cadence__figure {
  margin: 0;
}

.page-news .news-cadence__figure .media__caption {
  color: rgba(251, 247, 241, 0.7);
}

/* ---------- 回溯 ---------- */
.page-news .news-retrieve {
  background: var(--sand);
}

.page-news .news-retrieve__grid {
  align-items: stretch;
}

.page-news .news-retrieve__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--paper);
  border-top: 3px solid var(--peacock);
  min-width: 0;
}

.page-news .news-retrieve__card .card__meta {
  margin: 0;
  font-size: 0.78rem;
  color: var(--clay);
}

.page-news .news-retrieve__card .card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--ink);
}

.page-news .news-retrieve__card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .news-retrieve__card .btn {
  align-self: flex-start;
  margin-top: auto;
  text-decoration: none;
}

.page-news .news-retrieve__foot {
  margin-top: clamp(24px, 4vw, 36px);
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-retrieve__foot p {
  margin: 0;
  max-width: 62em;
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-news .news-retrieve__foot a {
  color: var(--peacock-deep);
  border-bottom: 1px solid var(--peacock);
  text-decoration: none;
}

.page-news .news-retrieve__foot a:hover,
.page-news .news-retrieve__foot a:focus-visible {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

/* ---------- 图片基础 ---------- */
.page-news .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .media__caption {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--ink-mute);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-group__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-series__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-cadence__row {
    grid-template-columns: 160px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-news .news-hero__stats {
    padding-top: 26px;
  }

  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-news .news-cadence__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr);
  }

  .page-news .news-item--wide {
    grid-column: span 2;
  }

  .page-news .news-filter {
    padding: 14px 0;
  }
}

/* ---------- 移动端收敛 ---------- */
@media (max-width: 899px) {
  .page-news {
    --news-sticky: 56px;
  }

  .page-news .news-hero::before {
    inset: auto -20% -26% 40%;
    height: 66%;
    opacity: 0.7;
  }

  .page-news .news-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 10px;
  }

  .page-news .news-filter .chip,
  .page-news .news-filter .filter-bar__count {
    flex: 0 0 auto;
  }

  .page-news .news-filter .filter-bar__count {
    margin-left: 4px;
  }

  .page-news .news-spine {
    padding-right: 0;
    padding-bottom: 14px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--line-soft);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .page-news .news-spine__label {
    margin-bottom: 8px;
  }

  .page-news .news-spine__list {
    display: flex;
    gap: 8px;
  }

  .page-news .news-spine__list::before {
    display: none;
  }

  .page-news .news-spine__node {
    flex: 0 0 auto;
    padding: 0;
  }

  .page-news .news-spine__node::before {
    display: none;
  }

  .page-news .news-spine__node a {
    padding: 8px 14px;
    border: 1px solid var(--line-soft);
    background: var(--paper);
    white-space: nowrap;
  }

  .page-news .news-group {
    scroll-margin-top: calc(var(--news-sticky) + 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-ruler__node {
    transition: none;
  }

  .page-news .news-item:hover,
  .page-news .news-ruler__node:hover {
    transform: none;
  }
}
<<<END>>>