.page-news {
  --news-axis: rgba(27, 42, 78, 0.9);
  --news-glow-cyan: rgba(25, 227, 208, 0.16);
  --news-glow-orange: rgba(255, 122, 47, 0.12);
  --news-glow-magenta: rgba(255, 46, 147, 0.1);
}

/* ---------- 刊头 ---------- */
.page-news .news-mast {
  position: relative;
  isolation: isolate;
  padding-block: clamp(1.5rem, 3.5vw, 2.75rem) clamp(2rem, 4vw, 3.25rem);
}

.page-news .news-mast::before {
  content: "";
  position: absolute;
  inset: -15% -8% 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 48% at 80% 18%, var(--news-glow-cyan), transparent 72%),
    radial-gradient(42% 38% at 8% 0%, var(--news-glow-orange), transparent 70%);
}

.page-news .news-mast__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-news .news-mast__copy {
  max-width: 40rem;
}

.page-news .news-mast h1 {
  margin: 0.85rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.95rem, 5.4vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-1);
}

.page-news .news-mast__lede {
  margin: 1.1rem 0 0;
  max-width: 34rem;
  font-size: clamp(0.95rem, 2.2vw, 1.05rem);
  line-height: 1.8;
  color: var(--text-2);
}

.page-news .news-mast__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 2rem;
  margin: 1.75rem 0 0;
  padding: 1.1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-mast__meta li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-news .news-mast__meta-num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-news .news-mast__meta-label {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--text-3);
}

.page-news .news-mast__figure {
  aspect-ratio: 11 / 7;
}

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

/* ---------- 筛选与时间线 ---------- */
.page-news .news-stream__head {
  max-width: 46rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-news .news-stream__intro {
  margin: 0.9rem 0 0;
  max-width: 38rem;
  line-height: 1.8;
  color: var(--text-2);
}

.page-news .news-stream__inner {
  position: relative;
}

.page-news .news-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-news .news-filter {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.page-news .news-filter__bar {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  scrollbar-width: thin;
  border-bottom: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-news .news-filter__tab {
  position: relative;
  flex: 0 0 auto;
  padding: 0.7rem 0.9rem;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  color: var(--text-3);
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.18s var(--ease);
}

.page-news .news-filter__tab::after {
  content: "";
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-soft));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.26s var(--ease);
}

.page-news .news-filter__tab:hover {
  color: var(--text-2);
}

.page-news .news-filter__desc {
  margin-top: 1.1rem;
  min-height: 3.4rem;
}

.page-news .news-filter__text {
  display: none;
  margin: 0;
  max-width: 40rem;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-2);
}

.page-news #col-all:checked ~ .news-filter .news-filter__text--all,
.page-news #col-version:checked ~ .news-filter .news-filter__text--version,
.page-news #col-guide:checked ~ .news-filter .news-filter__text--guide,
.page-news #col-notice:checked ~ .news-filter .news-filter__text--notice,
.page-news #col-report:checked ~ .news-filter .news-filter__text--report {
  display: block;
}

.page-news #col-all:checked ~ .news-filter .news-filter__tab[for="col-all"],
.page-news #col-version:checked ~ .news-filter .news-filter__tab[for="col-version"],
.page-news #col-guide:checked ~ .news-filter .news-filter__tab[for="col-guide"],
.page-news #col-notice:checked ~ .news-filter .news-filter__tab[for="col-notice"],
.page-news #col-report:checked ~ .news-filter .news-filter__tab[for="col-report"] {
  color: var(--text-1);
}

.page-news #col-all:checked ~ .news-filter .news-filter__tab[for="col-all"]::after,
.page-news #col-version:checked ~ .news-filter .news-filter__tab[for="col-version"]::after,
.page-news #col-guide:checked ~ .news-filter .news-filter__tab[for="col-guide"]::after,
.page-news #col-notice:checked ~ .news-filter .news-filter__tab[for="col-notice"]::after,
.page-news #col-report:checked ~ .news-filter .news-filter__tab[for="col-report"]::after {
  transform: scaleX(1);
}

.page-news #col-all:focus-visible ~ .news-filter .news-filter__tab[for="col-all"],
.page-news #col-version:focus-visible ~ .news-filter .news-filter__tab[for="col-version"],
.page-news #col-guide:focus-visible ~ .news-filter .news-filter__tab[for="col-guide"],
.page-news #col-notice:focus-visible ~ .news-filter .news-filter__tab[for="col-notice"],
.page-news #col-report:focus-visible ~ .news-filter .news-filter__tab[for="col-report"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news #col-version:checked ~ .news-timeline > .entry:not(.entry--version),
.page-news #col-guide:checked ~ .news-timeline > .entry:not(.entry--guide),
.page-news #col-notice:checked ~ .news-timeline > .entry:not(.entry--notice),
.page-news #col-report:checked ~ .news-timeline > .entry:not(.entry--report) {
  display: none;
}

.page-news .news-timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(2rem, 5vw, 3.25rem);
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  top: 0.4rem;
  bottom: 0.4rem;
  left: 13px;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--news-axis) 6%, var(--news-axis) 92%, transparent);
}

.page-news .entry {
  position: relative;
  padding-left: 2.5rem;
}

.page-news .entry:nth-child(n + 4) {
  margin-top: 0.5rem;
}

.page-news .entry:nth-child(n + 7) {
  margin-top: 1.25rem;
}

.page-news .entry__node {
  position: absolute;
  left: 8px;
  top: 0.5rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: var(--ink-0);
  box-shadow: 0 0 0 4px rgba(25, 227, 208, 0.08), 0 0 14px rgba(25, 227, 208, 0.4);
}

.page-news .entry--guide .entry__node {
  border-color: var(--magenta);
  box-shadow: 0 0 0 4px rgba(255, 46, 147, 0.08), 0 0 14px rgba(255, 46, 147, 0.36);
}

.page-news .entry--notice .entry__node {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 47, 0.08), 0 0 14px rgba(255, 122, 47, 0.34);
}

.page-news .entry__body {
  max-width: 34rem;
}

.page-news .entry__meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 0.65rem;
}

.page-news .entry__time {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--text-3);
}

.page-news .entry__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.6vw, 1.32rem);
  line-height: 1.45;
  color: var(--text-1);
}

.page-news .entry__summary {
  margin: 0.55rem 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-2);
}

.page-news .entry__detail {
  margin-top: 0.85rem;
  border-top: 1px dashed var(--line-soft);
  padding-top: 0.7rem;
}

.page-news .entry__detail summary {
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-news .entry__detail summary::before {
  content: "+ ";
  font-family: var(--font-mono);
}

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

.page-news .entry__detail p {
  margin: 0.65rem 0 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .entry__figure {
  margin: 1.1rem 0 0;
  aspect-ratio: 8 / 5;
  max-width: 26rem;
}

.page-news .entry__figure--wide {
  aspect-ratio: 3 / 2;
}

/* ---------- 置顶专题 ---------- */
.page-news .news-feature {
  position: relative;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(52% 46% at 88% 12%, var(--news-glow-magenta), transparent 70%),
    radial-gradient(50% 60% at 4% 90%, var(--news-glow-cyan), transparent 72%),
    linear-gradient(165deg, var(--ink-1), var(--ink-2));
}

.page-news .news-feature__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.25rem);
  align-items: center;
}

.page-news .news-feature__media {
  aspect-ratio: 10 / 7;
  border-color: var(--cyan);
  border-radius: 0;
}

.page-news .news-feature__lede {
  margin: 1rem 0 0;
  max-width: 34rem;
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .news-feature__list {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
}

.page-news .news-feature__item {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 0.25rem 0.9rem;
  padding: 1.05rem 0 1.05rem 0.2rem;
  background: transparent;
}

.page-news .news-feature__step {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.9;
  color: var(--orange);
}

.page-news .news-feature__link {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-1);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-news .news-feature__link:hover,
.page-news .news-feature__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .news-feature__note {
  grid-column: 2;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--text-3);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence__grid {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
}

.page-news .news-cadence__copy p {
  margin: 1rem 0 0;
  max-width: 36rem;
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .news-cadence__inline {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 227, 208, 0.35);
}

.page-news .news-cadence__inline:hover,
.page-news .news-cadence__inline:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-news .news-cadence__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-news .news-cadence__stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.15rem 1rem;
  background: var(--ink-1);
}

.page-news .news-cadence__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.6rem, 5vw, 2.3rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-news .news-cadence__unit {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-3);
}

.page-news .news-cadence__label {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--text-2);
}

/* ---------- 行动区 ---------- */
.page-news .news-next__inner {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.5rem, 3.5vw, 2.5rem) 0 0;
  border-top: 1px solid var(--line);
}

.page-news .news-next__copy p {
  margin: 0.9rem 0 0;
  max-width: 34rem;
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .news-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .news-mast__grid {
    grid-template-columns: 5.5fr 4.5fr;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-news .news-feature__grid {
    grid-template-columns: 4fr 6fr;
  }

  .page-news .news-cadence__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-news .news-next__inner {
    grid-template-columns: 1.6fr 1fr;
    align-items: end;
  }

  .page-news .news-next__actions {
    justify-content: flex-end;
  }

  .page-news .news-filter__bar {
    justify-content: center;
    overflow: visible;
  }

  .page-news .news-filter__desc {
    text-align: center;
    display: flex;
    justify-content: center;
  }
}

@media (min-width: 960px) {
  .page-news .news-timeline::before {
    left: 50%;
  }

  .page-news .news-timeline {
    gap: clamp(2.5rem, 5vw, 4rem);
  }

  .page-news .entry {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(1.75rem, 4vw, 3.5rem);
    padding-left: 0;
  }

  .page-news .entry__node {
    left: calc(50% - 5px);
    top: 0.55rem;
  }

  .page-news .entry:nth-child(odd) .entry__body {
    grid-column: 1;
    justify-self: end;
    text-align: right;
    padding-right: clamp(1.5rem, 3vw, 2.75rem);
  }

  .page-news .entry:nth-child(odd) .entry__meta {
    justify-content: flex-end;
  }

  .page-news .entry:nth-child(odd) .entry__figure {
    margin-left: auto;
  }

  .page-news .entry:nth-child(even) .entry__body {
    grid-column: 2;
    padding-left: clamp(1.5rem, 3vw, 2.75rem);
  }

  .page-news .entry__detail summary {
    display: inline-block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-filter__tab,
  .page-news .news-filter__tab::after,
  .page-news .news-feature__link {
    transition: none;
  }
}
<<<END>>>