.page-news {
  --news-line-soft: rgba(27, 46, 77, 0.55);
  --news-paper-shadow: rgba(27, 46, 77, 0.7);
  position: relative;
  padding-top: calc(var(--pb-header-h) + 16px);
  padding-bottom: 64px;
  background-color: var(--pb-ink-950);
  background-image:
    linear-gradient(to right, var(--news-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--news-line-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  color: var(--pb-paper);
  font-family: var(--pb-font-body);
  overflow-x: hidden;
}

.page-news a {
  color: inherit;
  text-decoration: none;
}

.page-news .pb-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--pb-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pb-ash);
  padding: 4px 0 20px;
}

.page-news .pb-breadcrumb a:hover {
  color: var(--pb-pulse);
}

.page-news .pb-breadcrumb__sep {
  color: var(--pb-line);
}

/* ---------- 首屏 ---------- */
.news-hero {
  position: relative;
  padding: 8px 0 26px;
  border-bottom: 1px solid var(--pb-line);
}

.news-hero__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.page-news .pb-rotate-note {
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--pb-index);
  writing-mode: vertical-rl;
  margin: 0;
}

.news-hero__title {
  margin: 10px 0 16px;
  font-size: clamp(1.9rem, 7vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  max-width: 16em;
}

.news-hero__lead {
  max-width: 36em;
  color: var(--pb-ash);
  font-size: 16px;
  line-height: 1.85;
  margin: 0 0 26px;
}

.news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--pb-line);
  border: 1px solid var(--pb-line);
}

.news-hero__stat {
  background: var(--pb-ink-900);
  padding: 12px 10px;
}

.news-hero__stat-key {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--pb-ash);
}

.news-hero__stat-num {
  margin: 0;
  font-family: var(--pb-font-mono);
  font-size: 17px;
  color: var(--pb-paper);
}

.news-hero__stat:nth-child(2) .news-hero__stat-num {
  color: var(--pb-signal);
}

/* ---------- 筛选 ---------- */
.page-news .news-filter {
  padding: 22px 0 10px;
  border-top: 0;
}

.page-news .news-filter .pb-label {
  display: block;
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--pb-ash);
}

.news-filter__row {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--pb-line);
}

.news-filter__name {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--pb-index);
  font-family: var(--pb-font-mono);
}

.news-filter__chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.news-chip {
  flex: 0 0 auto;
  padding: 6px 12px;
  border: 1px solid var(--pb-line);
  border-radius: var(--pb-radius);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pb-ash);
  background: rgba(12, 21, 38, 0.8);
  transition: color 0.18s var(--pb-ease), border-color 0.18s var(--pb-ease);
}

.news-chip:hover,
.news-chip:focus-visible {
  color: var(--pb-paper);
  border-color: var(--pb-pulse);
}

.news-chip--on {
  color: var(--pb-ink-950);
  background: var(--pb-pulse);
  border-color: var(--pb-pulse);
  font-weight: 700;
}

/* ---------- 主体双栏 ---------- */
.news-body {
  display: grid;
  gap: 10px;
  padding-top: 26px;
}

.news-rail {
  min-width: 0;
}

.news-rail__title {
  margin: 0 0 10px;
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--pb-index);
}

.news-rail__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
}

.news-rail__item {
  flex: 0 0 auto;
}

.news-rail__link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px;
  border: 1px solid var(--pb-line);
  background: rgba(12, 21, 38, 0.85);
  transition: border-color 0.18s var(--pb-ease);
}

.news-rail__link:hover,
.news-rail__link:focus-visible {
  border-color: var(--pb-pulse);
}

.news-rail__label {
  font-size: 13px;
  color: var(--pb-paper);
}

.news-rail__time {
  font-family: var(--pb-font-mono);
  font-size: 11px;
  color: var(--pb-pulse);
}

/* 阶段块 */
.news-stream {
  min-width: 0;
}

.page-news .news-stage {
  border-top: 1px solid var(--pb-line);
  padding: 22px 0 8px;
}

.news-stage__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.news-stage__id {
  font-family: var(--pb-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--pb-index);
}

.page-news .news-stage__name {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.news-stage__note {
  margin: 8px 0 20px;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pb-ash);
}

/* 条目卡片 */
.news-entry {
  position: relative;
  margin: 0 0 18px;
  padding: 16px 16px 12px;
  background: linear-gradient(160deg, var(--pb-ink-900), #0a1220);
  border: 1px solid var(--pb-line);
  box-shadow: 5px 5px 0 var(--news-paper-shadow);
  transition: border-color 0.2s var(--pb-ease);
}

.news-entry:hover,
.news-entry:focus-within {
  border-color: rgba(55, 230, 206, 0.6);
}

.news-entry__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.news-tag {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--pb-paper);
  border-radius: var(--pb-radius);
}

.news-tag--ver {
  background: var(--pb-tag-b);
}

.news-tag--rd {
  background: var(--pb-tag-a);
}

.news-tag--tp {
  background: var(--pb-tag-c);
}

.news-tag--sys {
  background: transparent;
  border: 1px solid var(--pb-index);
  color: var(--pb-index);
}

.news-entry__time {
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--pb-ash);
}

.news-entry__title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.005em;
}

.news-entry__excerpt {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pb-ash);
  max-width: 34em;
}

.news-entry__more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--pb-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pb-pulse);
}

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

.news-entry__more summary::before {
  content: "+";
  font-size: 14px;
}

.news-entry__more[open] summary::before {
  content: "−";
}

.news-entry__more summary:focus-visible {
  outline: 2px solid var(--pb-pulse);
  outline-offset: 3px;
}

.news-entry__body {
  padding: 10px 0 4px;
  border-top: 1px dashed var(--pb-line);
  margin-top: 6px;
}

.news-entry__body p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pb-ash);
  max-width: 34em;
}

/* ---------- 通用块 ---------- */
.page-news .news-block {
  border-top: 1px solid var(--pb-line);
  padding: 32px 0 8px;
}

.news-block__head {
  max-width: 38em;
}

.page-news .news-block .pb-eyebrow {
  display: block;
  margin: 0 0 10px;
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--pb-pulse);
}

.page-news .news-block .pb-h2 {
  margin: 0 0 14px;
  font-size: clamp(1.35rem, 4.6vw, 2rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-news .pb-prose {
  font-size: 15px;
  line-height: 1.85;
  color: var(--pb-ash);
  margin: 0 0 22px;
}

.news-figure {
  margin: 22px 0;
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--pb-line);
  filter: saturate(0.9) contrast(1.05);
}

.page-news .pb-figure__caption {
  margin-top: 8px;
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--pb-ash);
}

/* ---------- 版本记录 ---------- */
.news-versions {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--pb-line);
}

.news-version {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--pb-line);
}

.news-version__no {
  font-family: var(--pb-font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--pb-signal);
}

.news-version__title {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--pb-paper);
}

.news-version__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pb-ash);
  max-width: 36em;
}

.news-block__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 24px 0 0;
}

.page-news .pb-btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: var(--pb-radius);
  font-size: 14px;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
}

.page-news .pb-btn--ghost {
  border-color: var(--pb-line);
  color: var(--pb-paper);
  background: rgba(12, 21, 38, 0.8);
}

.page-news .pb-btn--ghost:hover,
.page-news .pb-btn--ghost:focus-visible {
  border-color: var(--pb-pulse);
  color: var(--pb-pulse);
}

.page-news .pb-btn--signal {
  background: var(--pb-signal);
  color: var(--pb-ink-950);
  font-weight: 700;
}

.page-news .pb-btn--signal:hover,
.page-news .pb-btn--signal:focus-visible {
  background: #ff8452;
}

.page-news .pb-btn--pulse {
  display: inline-block;
  padding: 10px 4px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--pb-pulse);
  border-bottom: 1px solid rgba(55, 230, 206, 0.4);
}

.page-news .pb-btn--pulse:hover,
.page-news .pb-btn--pulse:focus-visible {
  border-bottom-color: var(--pb-pulse);
}

/* ---------- 轮次观察 ---------- */
.news-rounds__grid {
  display: grid;
  gap: 20px;
}

.news-rounds {
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-round {
  position: relative;
  padding: 0 0 20px 26px;
  border-left: 1px solid var(--pb-line);
}

.news-round:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.news-round::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--pb-ink-950);
  border: 2px solid var(--pb-pulse);
}

.news-round__title {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--pb-paper);
}

.news-round__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pb-ash);
  max-width: 36em;
}

/* ---------- 专题横向列表 ---------- */
.news-topics {
  display: grid;
  gap: 22px;
}

.news-topics__track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 2px 16px;
  scrollbar-width: thin;
}

.news-topic {
  flex: 0 0 82%;
  scroll-snap-align: start;
  padding: 16px 16px 14px;
  background: var(--pb-paper);
  color: var(--pb-ink-950);
  border: 1px solid var(--pb-line);
  box-shadow: 6px 6px 0 rgba(12, 21, 38, 0.9);
}

.news-topic__no {
  display: block;
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: #5b4e7a;
}

.news-topic__title {
  margin: 8px 0 8px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--pb-ink-950);
}

.news-topic__desc {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.75;
  color: #2a3a52;
}

.news-topic__meta {
  margin: 0;
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #3c6e63;
  border-top: 1px solid rgba(12, 21, 38, 0.15);
  padding-top: 10px;
}

.news-topics__aside {
  min-width: 0;
}

.news-topics__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--pb-ash);
  border-left: 2px solid var(--pb-index);
  padding-left: 12px;
}

.news-figure--series {
  margin-top: 26px;
}

/* ---------- 更新节奏 ---------- */
.news-rhythm {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--pb-line);
  border: 1px solid var(--pb-line);
}

.news-rhythm__item {
  background: var(--pb-ink-900);
  padding: 16px 16px 18px;
}

.news-rhythm__num {
  display: block;
  font-family: var(--pb-font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--pb-index);
  margin-bottom: 8px;
}

.news-rhythm__title {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--pb-paper);
}

.news-rhythm__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pb-ash);
  max-width: 32em;
}

.news-cta {
  margin-top: 28px;
  padding: 20px 18px;
  border: 1px solid var(--pb-line);
  background:
    linear-gradient(120deg, rgba(55, 230, 206, 0.08), transparent 60%),
    var(--pb-ink-900);
}

.news-cta__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pb-ash);
  max-width: 34em;
}

.news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .news-filter__row {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .news-version {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 4px 18px;
    align-items: start;
  }

  .news-version__no {
    padding-top: 2px;
  }

  .news-topic {
    flex: 0 0 330px;
  }

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

  .news-rounds__grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .news-figure--rounds {
    margin: 0;
  }

  .news-topics {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
    gap: 24px;
  }

  .news-topics__aside {
    padding-top: 4px;
  }
}

/* ---------- 桌面：竖向脉冲时间轴 ---------- */
@media (min-width: 980px) {
  .page-news {
    padding-top: calc(var(--pb-header-h) + 28px);
    padding-bottom: 88px;
  }

  .news-hero {
    padding: 12px 0 34px;
  }

  .news-hero__stats {
    max-width: 560px;
  }

  .news-body {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 44px;
    padding-top: 34px;
  }

  .news-rail {
    position: sticky;
    top: calc(var(--pb-header-h) + 28px);
    align-self: start;
  }

  .news-rail__list {
    display: block;
    position: relative;
    padding: 4px 0 4px 26px;
    overflow: visible;
  }

  .news-rail__list::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(180deg, var(--pb-pulse), rgba(55, 230, 206, 0.12));
  }

  .news-rail__item {
    position: relative;
    padding: 8px 0;
  }

  .news-rail__item::before {
    content: "";
    position: absolute;
    left: -23px;
    top: 14px;
    width: 8px;
    height: 8px;
    background: var(--pb-ink-950);
    border: 2px solid var(--pb-pulse);
  }

  .news-rail__link {
    border: 0;
    background: transparent;
    padding: 0;
  }

  .news-rail__link:hover .news-rail__label,
  .news-rail__link:focus-visible .news-rail__label {
    color: var(--pb-pulse);
  }

  .news-rail__label {
    font-size: 14px;
  }

  .news-entry {
    padding: 20px 22px 16px;
  }

  .news-entry__title {
    font-size: 19px;
  }

  .news-topics__track {
    padding-bottom: 20px;
  }

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

  .news-cta {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
    padding: 24px 26px;
  }

  .news-cta__text {
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition: none !important;
  }
}
<<<END>>>