.page-news {
  --news-ink-soft: rgba(11, 31, 51, 0.76);
  --news-line: rgba(11, 31, 51, 0.1);
  --news-shadow: 0 28px 58px -42px rgba(8, 24, 39, 0.62);
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */

.page-news__hero {
  position: relative;
  isolation: isolate;
  padding: clamp(2.75rem, 8vw, 5.25rem) 0 clamp(2.25rem, 6vw, 3.75rem);
  background:
    radial-gradient(92% 72% at 88% 2%, rgba(92, 242, 214, 0.2), transparent 58%),
    radial-gradient(84% 74% at 0% 102%, rgba(255, 107, 53, 0.18), transparent 60%),
    linear-gradient(158deg, var(--ink) 0%, var(--ink-deep) 56%, var(--pine) 100%);
  color: var(--white);
  overflow: hidden;
}

.page-news__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(247, 250, 252, 0.055) 0 1px,
    transparent 1px 76px
  );
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 90%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 90%);
}

.page-news__hero-inner {
  position: relative;
  z-index: 1;
  max-width: 62rem;
}

.page-news__kicker {
  margin: 1.5rem 0 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-news__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 7vw, 3.9rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--white);
}

.page-news__lede {
  margin: 1.25rem 0 0;
  max-width: 48rem;
  font-size: clamp(0.98rem, 2.4vw, 1.08rem);
  line-height: 1.8;
  color: rgba(247, 250, 252, 0.8);
}

.page-news__metrics {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1.25rem;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
}

.page-news__metric {
  padding-top: 0.7rem;
  border-top: 1px solid rgba(247, 250, 252, 0.18);
}

.page-news__metric-value {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(1.05rem, 3vw, 1.35rem);
  letter-spacing: -0.01em;
  color: var(--neon);
}

.page-news__metric-label {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.78rem;
  line-height: 1.55;
  color: rgba(247, 250, 252, 0.62);
}

.page-news__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.6rem, 4vw, 2.25rem);
}

.page-news__hero-frame {
  position: relative;
  z-index: 1;
  margin: clamp(2rem, 5vw, 3rem) 0 0;
  border: 1px solid rgba(247, 250, 252, 0.18);
  border-radius: var(--radius-lg);
  background: rgba(8, 24, 39, 0.5);
  overflow: hidden;
}

.page-news__hero-frame::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(92, 242, 214, 0.42);
  border-radius: calc(var(--radius-lg) - 10px);
  pointer-events: none;
}

.page-news__hero-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news__hero-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 1.75rem 1.5rem 1.15rem;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: rgba(247, 250, 252, 0.82);
  background: linear-gradient(180deg, transparent, rgba(8, 24, 39, 0.9));
}

/* ---------- 画布与布局 ---------- */

.page-news__canvas {
  padding: clamp(2.25rem, 7vw, 4.25rem) 0 clamp(3rem, 9vw, 6rem);
  background: linear-gradient(180deg, var(--sand) 0%, #ece2d1 100%);
}

.page-news__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-news__rail {
  position: relative;
  min-width: 0;
}

.page-news__rail-title {
  margin: 0 0 0.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--archive);
}

.page-news__toc {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.35rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news__toc::-webkit-scrollbar {
  display: none;
}

.page-news__toc-item {
  flex: 0 0 auto;
}

.page-news__toc-link {
  display: block;
  padding: 0.48rem 0.9rem;
  border-radius: var(--pill);
  font-size: 0.84rem;
  white-space: nowrap;
  text-decoration: none;
  color: var(--pine);
  background: rgba(18, 51, 43, 0.08);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.page-news__toc-link:hover,
.page-news__toc-link:focus-visible {
  background: var(--pine);
  color: var(--white);
}

.page-news__stream {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4.5rem);
  min-width: 0;
}

.page-news__section {
  min-width: 0;
  scroll-margin-top: 128px;
}

.page-news__section--ice {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--ice) 0%, rgba(215, 231, 242, 0.42) 100%);
  box-shadow: var(--news-shadow);
}

.page-news__section--pine {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(80% 70% at 92% 8%, rgba(92, 242, 214, 0.14), transparent 60%),
    linear-gradient(155deg, var(--pine) 0%, #0c2721 100%);
  color: var(--white);
}

.page-news__section--pine .page-news__section-title {
  color: var(--white);
}

.page-news__section--pine .page-news__section-text {
  color: rgba(247, 250, 252, 0.74);
}

.page-news__section--pine .page-news__eyebrow {
  color: var(--neon);
}

.page-news__section-head {
  max-width: 46rem;
  margin-bottom: clamp(1.25rem, 3vw, 1.85rem);
}

.page-news__eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal-deep);
}

.page-news__section-title {
  margin: 0 0 0.7rem;
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 4.4vw, 2.35rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news__section-text {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--news-ink-soft);
}

.page-news__figure {
  margin: 0 0 clamp(1.25rem, 3vw, 1.85rem);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(11, 31, 51, 0.08);
}

.page-news__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news__figure--pine {
  background: rgba(247, 250, 252, 0.06);
}

/* ---------- 内容线 ---------- */

.page-news__lanes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.page-news__lane {
  display: block;
  padding: 1.2rem 1.3rem 1.1rem;
  border: 1px solid var(--news-line);
  border-radius: var(--radius-md);
  background: rgba(247, 250, 252, 0.72);
  color: inherit;
  text-decoration: none;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

.page-news__lane:hover,
.page-news__lane:focus-visible {
  transform: translateY(-3px);
  background: var(--white);
  box-shadow: var(--news-shadow);
}

.page-news__lane-title {
  margin: 0.85rem 0 0.45rem;
  font-family: var(--font-head);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news__lane-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--news-ink-soft);
}

.page-news__lane-meta {
  display: block;
  margin-top: 0.85rem;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--news-line);
  font-size: 0.74rem;
  color: var(--archive);
}

/* ---------- 日志列表 ---------- */

.page-news__log {
  list-style: none;
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
}

.page-news__log-item {
  padding: 1.05rem 1.2rem 1.15rem;
  border-left: 3px solid var(--archive);
  border-radius: var(--radius-sm);
  background: rgba(247, 250, 252, 0.9);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-news__log-item:hover {
  transform: translateX(3px);
  box-shadow: 0 18px 34px -28px rgba(8, 24, 39, 0.7);
}

.page-news__log-item--injury {
  border-left-color: var(--signal);
}

.page-news__log-item--log {
  border-left-color: var(--neon);
}

.page-news__log-item--archive {
  border-left-color: var(--archive);
}

.page-news__log-item--topic {
  border-left-color: var(--pine);
}

.page-news__log-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
}

.page-news__log-time {
  font-size: 0.74rem;
  color: var(--archive);
}

.page-news__log-title {
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news__log-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--news-ink-soft);
}

/* ---------- 版本分支 ---------- */

.page-news__version-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-news__branch {
  list-style: none;
  margin: 0;
  padding: 0.4rem 0 0.4rem 1.6rem;
  border-left: 2px solid rgba(92, 242, 214, 0.28);
}

.page-news__branch-item {
  position: relative;
  padding: 0.8rem 0;
}

.page-news__branch-item::before {
  content: "";
  position: absolute;
  left: -1.6rem;
  top: 1.28rem;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(92, 242, 214, 0.16);
  transform: translateX(-50%);
}

.page-news__branch-tag {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-news__branch-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(247, 250, 252, 0.74);
}

.page-news__version-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.25rem;
  margin-top: clamp(1.25rem, 3vw, 1.85rem);
  padding-top: clamp(1.1rem, 3vw, 1.5rem);
  border-top: 1px dashed rgba(247, 250, 252, 0.22);
}

.page-news__version-cta-text {
  flex: 1 1 18rem;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(247, 250, 252, 0.76);
}

/* ---------- 深度观察 ---------- */

.page-news__features {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.page-news__feature {
  padding: 1.15rem 1.25rem 1.2rem;
  border-radius: var(--radius-md);
  background: rgba(247, 250, 252, 0.7);
  border-bottom: 3px solid rgba(255, 107, 53, 0.5);
}

.page-news__feature-meta {
  margin: 0 0 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal-deep);
}

.page-news__feature-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news__feature-text {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.72;
  color: var(--news-ink-soft);
}

/* ---------- 更新节奏 ---------- */

.page-news__rhythm {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.55rem;
  margin: 0;
  padding: 0;
}

.page-news__rhythm-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(247, 250, 252, 0.82);
}

.page-news__rhythm-key {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--pine);
}

.page-news__rhythm-val {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.7;
  color: var(--news-ink-soft);
}

.page-news__subscribe {
  margin-top: clamp(1.25rem, 3vw, 1.85rem);
  padding-top: clamp(1.1rem, 3vw, 1.5rem);
  border-top: 1px dashed rgba(11, 31, 51, 0.16);
}

.page-news__subscribe-text {
  margin: 0 0 0.95rem;
  max-width: 44rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--news-ink-soft);
}

.page-news__subscribe-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-news__lanes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news__lanes > :nth-child(2),
  .page-news__lanes > :nth-child(4) {
    margin-top: 1.5rem;
  }

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

  .page-news__rhythm-row {
    grid-template-columns: 9rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 880px) {
  .page-news__hero-inner {
    max-width: 58rem;
  }

  .page-news__version-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news__version-grid .page-news__figure {
    margin-bottom: 0;
  }
}

@media (min-width: 1000px) {
  .page-news__layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.25rem);
  }

  .page-news__rail {
    position: sticky;
    top: 118px;
  }

  .page-news__toc {
    flex-direction: column;
    gap: 0.15rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news__toc-link {
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    background: transparent;
  }

  .page-news__toc-link:hover,
  .page-news__toc-link:focus-visible {
    background: rgba(18, 51, 43, 0.1);
    color: var(--pine);
  }
}

@media (max-width: 480px) {
  .page-news__hero-frame::after {
    inset: 8px;
  }

  .page-news__hero-cap {
    font-size: 0.7rem;
    padding: 1.4rem 1rem 0.9rem;
  }

  .page-news__subscribe-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news__subscribe-actions .btn,
  .page-news__subscribe-actions .copy-chip {
    width: 100%;
    text-align: center;
  }
}
<<<END>>>