.page-news {
  --news-line: rgba(143, 169, 189, 0.22);
  --news-line-soft: rgba(143, 169, 189, 0.12);
  --news-panel: rgba(13, 42, 64, 0.72);
  --news-panel-deep: rgba(7, 26, 43, 0.92);
  color: var(--fg);
  padding-top: calc(var(--bar-h) + 1.5rem);
  padding-bottom: 4rem;
}

.page-news .news-crumb {
  margin-bottom: 1.25rem;
}

.page-news .news-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-news .news-crumb li + li::before {
  content: "/";
  margin-right: .35rem;
  color: var(--cyan-700);
}

.page-news .news-crumb a {
  color: var(--soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .news-crumb a:hover,
.page-news .news-crumb a:focus-visible {
  color: var(--cyan-500);
  border-bottom-color: var(--cyan-700);
}

/* ---------- hero ---------- */
.page-news .news-hero {
  display: grid;
  gap: 1.75rem;
  padding: 1.5rem 1.15rem 2rem;
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 130% at 8% 0%, rgba(31, 242, 209, 0.14), transparent 55%),
    radial-gradient(90% 100% at 100% 10%, rgba(255, 138, 61, 0.1), transparent 60%),
    linear-gradient(160deg, var(--ink-800), var(--ink-950) 72%);
  border: 1px solid var(--news-line);
  position: relative;
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(31, 242, 209, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(31, 242, 209, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(200deg, #000, transparent 70%);
  pointer-events: none;
}

.page-news .news-hero-copy,
.page-news .news-hero-panel {
  position: relative;
  z-index: 1;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 7vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: .5rem 0 1rem;
  max-width: 20ch;
}

.page-news .news-hero h1 em {
  font-style: normal;
  color: var(--cyan-500);
  display: inline-block;
}

.page-news .news-hero .lede {
  color: var(--soft);
  font-size: 1rem;
  line-height: 1.85;
  max-width: 44em;
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.5rem;
}

.page-news .news-hero-panel {
  background: var(--news-panel-deep);
  border: 1px solid var(--news-line);
  border-radius: var(--r-md);
  padding: 1.15rem;
}

.page-news .hero-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  flex-wrap: wrap;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .hero-version-list {
  list-style: none;
  margin: 0;
  padding: .25rem 0 0;
}

.page-news .hero-version-list li {
  display: grid;
  grid-template-columns: 5.2rem 1fr;
  grid-template-areas:
    "key val"
    "key state";
  gap: .1rem .9rem;
  padding: .85rem 0;
  border-bottom: 1px dashed var(--news-line-soft);
}

.page-news .hero-version-list li:last-child {
  border-bottom: 0;
}

.page-news .ver-key {
  grid-area: key;
  align-self: center;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .ver-val {
  grid-area: val;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--orange-500);
  letter-spacing: .01em;
}

.page-news .ver-state {
  grid-area: state;
  font-size: .82rem;
  color: var(--slate-400);
  line-height: 1.5;
}

.page-news .hero-panel-foot {
  margin: .85rem 0 0;
  padding-top: .85rem;
  border-top: 1px solid var(--news-line-soft);
  font-size: .8rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- section base ---------- */
.page-news .section {
  margin-top: 3.25rem;
}

.page-news .section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.6vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: .4rem 0 .8rem;
  font-weight: 800;
}

.page-news .stream-head,
.page-news .data-head,
.page-news .versions-head,
.page-news .filter-head {
  display: grid;
  gap: .6rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--news-line);
  margin-bottom: 1.5rem;
}

.page-news .stream-note,
.page-news .data-head .lede,
.page-news .filter-head .lede {
  color: var(--soft);
  font-size: .95rem;
  line-height: 1.85;
  max-width: 40em;
  margin: 0;
}

/* ---------- stream list ---------- */
.page-news .stream-grid {
  display: grid;
  gap: 1.5rem;
}

.page-news .stream-visual {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--ink-800);
}

.page-news .stream-visual img {
  display: block;
}

.page-news .notice-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--news-line-soft);
}

.page-news .notice-item {
  position: relative;
  margin-left: -2px;
  border-left: 2px solid transparent;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-news .notice-item:hover,
.page-news .notice-item:focus-within {
  border-left-color: var(--cyan-500);
  background: linear-gradient(90deg, rgba(31, 242, 209, 0.06), transparent 62%);
}

.page-news .notice-item details {
  padding: .1rem 0 .1rem .95rem;
}

.page-news .notice-item summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: .3rem;
  padding: .85rem 0;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px dashed var(--news-line-soft);
}

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

.page-news .notice-time {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--cyan-700);
  text-transform: none;
}

.page-news .notice-title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--fg);
}

.page-news .notice-item summary:hover .notice-title {
  color: var(--cyan-500);
}

.page-news .notice-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: .15rem;
}

.page-news .notice-tags .pill {
  font-size: .68rem;
  padding: .12rem .6rem;
}

.page-news .notice-body {
  padding: .7rem 0 1rem;
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .notice-body p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--soft);
  max-width: 46em;
}

/* ---------- mobile notes ---------- */
.page-news .mobile-layout {
  display: grid;
  gap: 1.75rem;
  padding: 1.5rem 1.15rem;
  border-radius: var(--r-lg);
  background: linear-gradient(200deg, var(--news-panel), transparent 88%);
  border: 1px solid var(--news-line);
}

.page-news .mobile-copy .lede {
  color: var(--soft);
  font-size: .96rem;
  line-height: 1.88;
  max-width: 42em;
}

.page-news .branch-row {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 1.15rem 0 .6rem;
}

.page-news .branch-svg {
  width: 100%;
  height: auto;
  display: block;
  margin: .25rem 0 1.25rem;
  overflow: visible;
}

.page-news .change-groups {
  margin: 0;
  display: grid;
  gap: .85rem;
}

.page-news .change-group {
  padding: .9rem 0 .9rem 1rem;
  border-left: 2px solid var(--cyan-700);
  background: linear-gradient(90deg, rgba(11, 183, 160, 0.08), transparent 70%);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-news .change-group dt {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--cyan-500);
  margin-bottom: .35rem;
}

.page-news .change-group dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.82;
  color: var(--soft);
}

.page-news .mobile-visual {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--ink-800);
  max-height: 420px;
}

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

/* ---------- data rows ---------- */
.page-news .data-rows {
  display: grid;
  gap: 0;
}

.page-news .data-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .35rem .9rem;
  padding: 1.15rem .25rem;
  border-top: 1px solid var(--news-line-soft);
  align-items: start;
}

.page-news .data-row:last-of-type {
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .data-idx {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--gold-400);
  padding-top: .2rem;
  letter-spacing: .06em;
}

.page-news .data-row-main h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 .4rem;
  line-height: 1.45;
  font-weight: 700;
}

.page-news .data-row-main p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--soft);
  max-width: 46em;
}

.page-news .data-row > .pill {
  grid-column: 2;
  justify-self: start;
  margin-top: .55rem;
  font-size: .68rem;
}

.page-news .data-foot {
  margin: 1.35rem 0 0;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .data-foot a {
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-700);
}

.page-news .data-foot a:hover {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

/* ---------- versions ---------- */
.page-news .versions-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.page-news .version-card {
  padding: 1.25rem 1.15rem;
  border-radius: var(--r-md);
  border: 1px solid var(--news-line);
  background: var(--news-panel);
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.page-news .version-card--big {
  background: linear-gradient(155deg, rgba(255, 138, 61, 0.12), var(--news-panel) 58%);
}

.page-news .version-card--member {
  background: linear-gradient(155deg, rgba(217, 179, 108, 0.12), var(--news-panel) 58%);
}

.page-news .version-card header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  flex-wrap: wrap;
}

.page-news .ver-big {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.page-news .version-card--member .ver-big {
  font-size: 1.25rem;
}

.page-news .version-card p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--soft);
}

.page-news .version-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.page-news .version-points li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .89rem;
  line-height: 1.7;
  color: var(--soft);
}

.page-news .version-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange-500);
}

.page-news .version-card--member .version-points li::before {
  background: var(--gold-400);
}

.page-news .version-card .btn {
  align-self: flex-start;
  margin-top: .25rem;
}

.page-news .versions-visual {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--news-line);
}

/* ---------- filter ---------- */
.page-news .filter-tags {
  margin-bottom: 1.35rem;
}

.page-news .filter-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--news-line-soft);
}

.page-news .filter-cell {
  padding: 1.05rem .25rem;
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .filter-cell h3 {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--cyan-500);
  margin: 0 0 .4rem;
}

.page-news .filter-cell p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--soft);
  max-width: 40em;
}

.page-news .filter-cell--action {
  background: linear-gradient(120deg, rgba(255, 138, 61, 0.1), transparent 80%);
  border-radius: var(--r-sm);
  padding: 1.15rem .85rem;
  border-bottom: 1px solid var(--news-line);
}

.page-news .filter-cell--action h3 {
  color: var(--orange-500);
}

.page-news .filter-cell--action .btn {
  margin-top: .75rem;
}

/* ---------- archive ---------- */
.page-news .archive-wrap {
  position: relative;
  display: grid;
  gap: 1.25rem;
  padding: 1.5rem 1.15rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--news-line);
  background: var(--news-panel-deep);
  overflow: hidden;
}

.page-news .archive-texture {
  margin: 0;
  position: absolute;
  inset: 0;
  opacity: .17;
  z-index: 0;
  pointer-events: none;
}

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

.page-news .archive-copy {
  position: relative;
  z-index: 1;
}

.page-news .archive-copy p {
  color: var(--soft);
  font-size: .94rem;
  line-height: 1.88;
  max-width: 46em;
}

.page-news .archive-links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.15rem;
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .page-news .news-hero {
    padding: 2rem 1.75rem 2.25rem;
  }

  .page-news .notice-item summary {
    grid-template-columns: 7.5rem 1fr;
    align-items: baseline;
    gap: .15rem .9rem;
  }

  .page-news .notice-tags {
    grid-column: 2;
  }

  .page-news .notice-time {
    grid-row: 1;
  }

  .page-news .data-row {
    grid-template-columns: 2.6rem 1fr auto;
    align-items: center;
    gap: .25rem 1.1rem;
  }

  .page-news .data-row > .pill {
    grid-column: 3;
    margin-top: 0;
  }

  .page-news .filter-grid {
    grid-template-columns: 1fr 1fr;
    column-gap: 2rem;
  }

  .page-news .versions-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .archive-wrap {
    padding: 1.85rem 1.75rem;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: stretch;
    gap: 2.25rem;
    padding: 2.5rem 2.25rem 2.75rem;
  }

  .page-news .stream-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 2rem;
  }

  .page-news .stream-visual {
    position: sticky;
    top: calc(var(--bar-h) + 1.25rem);
  }

  .page-news .mobile-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    gap: 2.25rem;
    padding: 2.25rem;
    align-items: start;
  }

  .page-news .filter-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .archive-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    align-items: center;
    padding: 2.25rem 2.5rem;
  }

  .page-news .archive-texture {
    position: relative;
    inset: auto;
    opacity: .5;
    align-self: stretch;
    border-radius: var(--r-md);
    overflow: hidden;
    min-height: 220px;
  }

  .page-news .section {
    margin-top: 4.25rem;
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero h1 {
    max-width: 18ch;
  }

  .page-news .notice-item details {
    padding-left: 1.25rem;
  }
}

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