.page-news {
  --jn-gap: 24px;
  --jn-line: var(--line-1);
  display: block;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  padding-bottom: calc(var(--step) * 10);
}

.page-news .jn-hero,
.page-news .jn-log,
.page-news .jn-release,
.page-news .jn-series,
.page-news .jn-observe,
.page-news .jn-quick {
  padding-block: calc(var(--step) * 6);
}

.page-news .jn-hero {
  position: relative;
  padding-top: calc(var(--step) * 4);
}

.page-news .jn-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 340px;
  background:
    radial-gradient(60% 100% at 20% 0%, rgba(25, 245, 198, 0.14), transparent 70%),
    radial-gradient(50% 90% at 90% 10%, rgba(255, 77, 46, 0.10), transparent 72%);
  pointer-events: none;
}

.page-news .jn-hero__inner {
  position: relative;
  display: grid;
  gap: calc(var(--step) * 4);
}

.page-news .jn-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .jn-kicker__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--cyan-a08);
}

.page-news .jn-h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 8.5vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .jn-h1 span {
  display: block;
  margin-top: 12px;
  font-family: var(--font-body);
  font-size: 0.34em;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--muted);
}

.page-news .jn-lede {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .jn-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  border: 1px solid var(--jn-line);
  border-radius: var(--radius);
  background: var(--jn-line);
  overflow: hidden;
}

.page-news .jn-stat {
  padding: 14px 16px;
  background: var(--panel);
}

.page-news .jn-stat dt {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .jn-stat dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--white);
}

.page-news .jn-stat--accent dd {
  color: var(--ember);
}

.page-news .jn-hero__figure {
  margin: 0;
}

.page-news .jn-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--jn-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-news .jn-sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 8px;
  align-items: baseline;
  padding-top: 18px;
  margin-bottom: calc(var(--step) * 4);
  border-top: 1px solid var(--line-2);
}

.page-news .jn-sec-num {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-news .jn-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.005em;
  color: var(--white);
}

.page-news .jn-sec-sub {
  grid-column: 1 / -1;
  margin: 0;
  max-width: 56ch;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .jn-log__layout {
  display: grid;
  gap: calc(var(--step) * 3);
}

.page-news .jn-side__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .jn-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .jn-filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--jn-line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.84rem;
  line-height: 1;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-news .jn-filter:hover {
  color: var(--white);
  border-color: var(--line-2);
}

.page-news .jn-filter[aria-pressed="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

.page-news .jn-filter .num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  opacity: 0.72;
}

.page-news .jn-side__note {
  margin: 16px 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .jn-entries {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--jn-line);
}

.page-news .jn-entry {
  border-bottom: 1px solid var(--jn-line);
}

.page-news .jn-entry details {
  padding: 18px 0;
}

.page-news .jn-entry__head {
  position: relative;
  display: block;
  padding-right: 34px;
  cursor: pointer;
  list-style: none;
}

.page-news .jn-entry__head::-webkit-details-marker {
  display: none;
}

.page-news .jn-entry__head::after {
  content: "+";
  position: absolute;
  top: -2px;
  right: 0;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--cyan);
  transition: transform 180ms var(--ease);
}

.page-news .jn-entry details[open] .jn-entry__head::after {
  content: "−";
}

.page-news .jn-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .jn-tag {
  padding: 2px 9px;
  border: 1px solid var(--cyan-a18);
  border-radius: 999px;
  background: var(--cyan-a08);
  color: var(--cyan-soft);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

.page-news .jn-entry__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--white);
  transition: color 180ms var(--ease);
}

.page-news .jn-entry details:hover .jn-entry__title,
.page-news .jn-entry details[open] .jn-entry__title {
  color: var(--cyan-soft);
}

.page-news .jn-entry__body {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-1);
}

.page-news .jn-entry__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .jn-release__grid {
  display: grid;
  gap: calc(var(--step) * 4);
}

.page-news .jn-release__fig {
  margin: 0;
}

.page-news .jn-release__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--jn-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

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

.page-news .jn-tl {
  position: relative;
  padding: 0 0 24px 24px;
  border-left: 1px solid var(--line-2);
}

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

.page-news .jn-tl::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--cyan-a08);
}

.page-news .jn-tl__top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-news .jn-tl__ver {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .jn-state {
  padding: 2px 8px;
  border: 1px solid var(--cyan-a18);
  border-radius: 999px;
  background: var(--cyan-a08);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
}

.page-news .jn-tl__title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--white);
}

.page-news .jn-tl__text {
  margin: 0;
  max-width: 56ch;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .jn-series__grid {
  display: grid;
  gap: calc(var(--step) * 2.5);
}

.page-news .jn-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--jn-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(15, 61, 46, 0.5), rgba(11, 42, 32, 0.92));
  box-shadow: var(--shadow-1);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-news .jn-card:hover {
  border-color: var(--cyan-a18);
  transform: translateY(-2px);
}

.page-news .jn-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-bottom: 4px;
  border: 1px solid var(--jn-line);
  border-radius: var(--radius);
}

.page-news .jn-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--ember-soft);
}

.page-news .jn-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--white);
}

.page-news .jn-card__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .jn-card .btn {
  align-self: flex-start;
  margin-top: 6px;
}

.page-news .jn-observe__inner {
  display: grid;
  gap: calc(var(--step) * 3.5);
  align-items: center;
}

.page-news .jn-observe__fig {
  margin: 0;
}

.page-news .jn-observe__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--jn-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-news .jn-observe__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--ember-soft);
}

.page-news .jn-observe__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 5vw, 2.1rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
}

.page-news .jn-observe__text-p {
  margin: 0 0 20px;
  max-width: 56ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .jn-quick__grid {
  display: grid;
  gap: 12px;
}

.page-news .jn-quick__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 4px;
  padding: 18px 20px;
  border: 1px solid var(--jn-line);
  border-radius: var(--radius);
  background: var(--panel);
  text-decoration: none;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-news .jn-quick__item:hover {
  border-color: var(--cyan-a18);
  background: var(--panel-2);
}

.page-news .jn-quick__k {
  grid-row: 1 / span 2;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--ember);
}

.page-news .jn-quick__t {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--white);
}

.page-news .jn-quick__d {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 620px) {
  .page-news .jn-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-news .jn-hero,
  .page-news .jn-log,
  .page-news .jn-release,
  .page-news .jn-series,
  .page-news .jn-observe,
  .page-news .jn-quick {
    padding-block: calc(var(--step) * 9);
  }

  .page-news .jn-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: calc(var(--step) * 6);
    align-items: end;
  }

  .page-news .jn-lede {
    font-size: 1rem;
  }

  .page-news .jn-log__layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: calc(var(--step) * 5);
    align-items: start;
  }

  .page-news .jn-side {
    position: sticky;
    top: calc(var(--step) * 3);
  }

  .page-news .jn-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .jn-filter {
    justify-content: space-between;
  }

  .page-news .jn-entry__title {
    font-size: 1.4rem;
  }

  .page-news .jn-release__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: calc(var(--step) * 6);
    align-items: start;
  }

  .page-news .jn-observe__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: calc(var(--step) * 6);
  }
}

@media (min-width: 1100px) {
  .page-news .jn-series__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .jn-card--wide {
    grid-column: span 2;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: auto auto auto 1fr;
    align-items: start;
    column-gap: 20px;
  }

  .page-news .jn-card--wide img {
    grid-row: 1 / span 4;
    grid-column: 1;
    margin-bottom: 0;
    height: 100%;
    object-fit: cover;
  }

  .page-news .jn-card--wide .jn-card__kicker,
  .page-news .jn-card--wide .jn-card__title,
  .page-news .jn-card--wide .jn-card__text,
  .page-news .jn-card--wide .btn {
    grid-column: 2;
  }
}

已在上方输出。