.page-news{
  --news-pad: clamp(3rem, 7vw, 5.5rem);
  --news-grad: linear-gradient(115deg, var(--aurora-a), var(--aurora-b));
  background: var(--abyss);
  color: var(--frost);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-news .wrap{
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-news .sec{
  position: relative;
  padding: var(--news-pad) 0;
  border-top: 1px solid var(--line);
}

.page-news .eyebrow{
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-news .sec-head{
  max-width: 44rem;
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
}

.page-news .sec-head h2{
  margin: 0 0 .85rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.85rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--frost);
}

.page-news .sec-lead{
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--silver);
  max-width: 40ch;
}

.page-news .link-arrow{
  display: inline-block;
  font-size: .9rem;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(121, 230, 221, .38);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .link-arrow:hover,
.page-news .link-arrow:focus-visible{
  color: var(--amber);
  border-color: var(--amber);
}

/* ---------- Hero ---------- */
.page-news .hero{
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 2.5rem) 0 var(--news-pad);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(121, 230, 221, .16), transparent 58%),
    radial-gradient(95% 75% at 92% 8%, rgba(139, 121, 255, .2), transparent 62%),
    var(--abyss);
}

.page-news .hero-media{
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: -1;
}

.page-news .hero-media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-news .hero-media::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 24, 38, .5) 0%, rgba(4, 24, 38, .82) 55%, var(--abyss) 96%);
}

.page-news .hero-inner{
  display: grid;
  gap: 2.25rem;
}

.page-news .breadcrumb ol{
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--ink-muted);
}

.page-news .breadcrumb li + li::before{
  content: "/";
  margin-right: .45rem;
  color: rgba(200, 212, 224, .4);
}

.page-news .breadcrumb a{
  color: var(--silver);
  text-decoration: none;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible{
  color: var(--ice);
}

.page-news .hero h1{
  margin: 0 0 1.25rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.1rem, 7.4vw, 4.35rem);
  line-height: 1.05;
  letter-spacing: -.025em;
  color: var(--frost);
}

.page-news .hero-lead{
  margin: 0;
  max-width: 34rem;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-news .hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.9rem;
}

.page-news .hero-side{
  align-self: start;
  padding: 1.35rem 1.25rem;
  background: rgba(244, 248, 252, .05);
  border: 1px solid var(--line);
  border-left: 2px solid var(--ice);
  backdrop-filter: blur(6px);
}

.page-news .side-title{
  margin: 0 0 1rem;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-news .side-list{
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .9rem;
}

.page-news .side-list li{
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  align-items: baseline;
  gap: .7rem;
  font-size: .92rem;
  line-height: 1.6;
  color: var(--silver);
}

.page-news .side-num{
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--amber);
}

.page-news .side-note{
  margin: 1.2rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: .84rem;
  line-height: 1.7;
  color: var(--ink-muted);
}

/* ---------- Index ---------- */
.page-news .sec-index{
  background: linear-gradient(180deg, var(--abyss), var(--teal-deep));
}

.page-news .filter-input{
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .idx-shell{
  display: grid;
  gap: 1.75rem;
}

.page-news .rail-title{
  margin: 0 0 .8rem;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.page-news .chip-row{
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-news .chip{
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 44px;
  padding: .5rem .85rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: .85rem;
  color: var(--silver);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .chip .mono{
  font-size: .7rem;
  opacity: .8;
}

.page-news .chip:hover{
  border-color: var(--ice);
  color: var(--frost);
}

.page-news #nf-all:checked ~ .idx-rail .chip[for="nf-all"],
.page-news #nf-ver:checked ~ .idx-rail .chip[for="nf-ver"],
.page-news #nf-dev:checked ~ .idx-rail .chip[for="nf-dev"],
.page-news #nf-notice:checked ~ .idx-rail .chip[for="nf-notice"],
.page-news #nf-path:checked ~ .idx-rail .chip[for="nf-path"]{
  background: var(--ice);
  border-color: var(--ice);
  color: var(--abyss);
  font-weight: 600;
}

.page-news #nf-all:focus-visible ~ .idx-rail .chip[for="nf-all"],
.page-news #nf-ver:focus-visible ~ .idx-rail .chip[for="nf-ver"],
.page-news #nf-dev:focus-visible ~ .idx-rail .chip[for="nf-dev"],
.page-news #nf-notice:focus-visible ~ .idx-rail .chip[for="nf-notice"],
.page-news #nf-path:focus-visible ~ .idx-rail .chip[for="nf-path"]{
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-news #nf-ver:checked ~ .idx-list .idx-item:not([data-cat="ver"]),
.page-news #nf-dev:checked ~ .idx-list .idx-item:not([data-cat="dev"]),
.page-news #nf-notice:checked ~ .idx-list .idx-item:not([data-cat="notice"]),
.page-news #nf-path:checked ~ .idx-list .idx-item:not([data-cat="path"]){
  display: none;
}

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

.page-news .idx-item{
  display: grid;
  gap: .4rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  transition: background .25s var(--ease);
}

.page-news .idx-cat{
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-news .idx-title{
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -.01em;
}

.page-news .idx-title a{
  color: var(--frost);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-news .idx-item:hover .idx-title a,
.page-news .idx-item:focus-within .idx-title a{
  color: var(--ice);
}

.page-news .idx-sum{
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--silver);
  max-width: 46ch;
}

.page-news .idx-go{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin: .3rem 0 0;
}

.page-news .idx-when{
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--ink-muted);
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}

/* ---------- Version timeline ---------- */
.page-news .tl-svg{
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 1.5rem;
}

.page-news .ver-grid{
  display: grid;
  gap: 2.25rem;
}

.page-news .tl-list{
  margin: 0;
  padding: 0;
  list-style: none;
  position: relative;
}

.page-news .tl-list li{
  position: relative;
  padding: 0 0 1.6rem 1.6rem;
  border-left: 1px solid var(--line-strong);
}

.page-news .tl-list li:last-child{
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-news .tl-list li::before{
  content: "";
  position: absolute;
  left: -4.5px;
  top: .35rem;
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  background: var(--ice);
}

.page-news .tl-list li:last-child::before{
  background: var(--amber);
}

.page-news .tl-when{
  margin: 0 0 .25rem;
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--ice);
}

.page-news .tl-list h3{
  margin: 0 0 .35rem;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--frost);
}

.page-news .tl-list p{
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--silver);
  max-width: 38ch;
}

.page-news .news-fig{
  margin: 0;
  border: 1px solid var(--line);
  background: var(--teal-deep);
  overflow: hidden;
}

.page-news .news-fig img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-news .news-fig--wide{
  margin-bottom: 2rem;
}

.page-news .fig-cap{
  padding: .85rem 1rem;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--ink-muted);
  border-top: 1px solid var(--line);
}

/* ---------- Device matrix ---------- */
.page-news .sec-dev{
  background: linear-gradient(180deg, var(--teal-deep), var(--indigo));
}

.page-news .mx{
  margin-top: 2rem;
}

.page-news .mx-head{
  display: none;
}

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

.page-news .mx-row{
  display: grid;
  gap: .45rem;
  padding: .9rem 0;
  border-bottom: 1px solid var(--line);
}

.page-news .mx-name{
  font-size: .92rem;
  font-weight: 600;
  color: var(--frost);
}

.page-news .mx-cells{
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 4px;
}

.page-news .mx-cell{
  display: block;
  height: 1.35rem;
  border-radius: var(--radius);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-news .mx-cell.lv1{
  background: rgba(200, 212, 224, .14);
  border: 1px solid rgba(200, 212, 224, .28);
}

.page-news .mx-cell.lv2{
  background: rgba(121, 230, 221, .34);
}

.page-news .mx-cell.lv3{
  background: var(--ice);
}

.page-news .mx-cell:hover{
  transform: scaleY(1.25);
  box-shadow: 0 0 0 1px var(--amber);
}

.page-news .mx-note{
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.6;
  color: var(--ink-muted);
}

.page-news .mx-row:hover .mx-note,
.page-news .mx-row:focus-within .mx-note{
  color: var(--ice);
}

.page-news .mx-legend{
  display: grid;
  gap: .55rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  font-size: .8rem;
  color: var(--silver);
}

.page-news .mx-legend li{
  display: flex;
  align-items: center;
  gap: .45rem;
}

.page-news .mx-legend .mono{
  font-size: .72rem;
  color: var(--frost);
}

.page-news .mx-dot{
  display: inline-block;
  width: .75rem;
  height: .75rem;
  border-radius: var(--radius);
}

.page-news .mx-dot.lv1{
  background: rgba(200, 212, 224, .14);
  border: 1px solid rgba(200, 212, 224, .28);
}

.page-news .mx-dot.lv2{
  background: rgba(121, 230, 221, .34);
}

.page-news .mx-dot.lv3{
  background: var(--ice);
}

.page-news .mx-hint{
  margin: 1.1rem 0 0;
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--ink-muted);
}

/* ---------- Notices ---------- */
.page-news .sec-notice{
  background: var(--abyss);
}

.page-news .notice-list{
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-news .notice-list li{
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 1rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--line);
}

.page-news .notice-list li:last-child{
  border-bottom: 1px solid var(--line);
}

.page-news .notice-num{
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--wine);
  background: rgba(91, 31, 53, .55);
  border: 1px solid rgba(200, 212, 224, .2);
  align-self: start;
  padding: .3rem 0;
  text-align: center;
}

.page-news .notice-list h3{
  margin: 0 0 .3rem;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--frost);
}

.page-news .notice-list p{
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--silver);
  max-width: 44ch;
}

/* ---------- Series ---------- */
.page-news .sec-series{
  background: linear-gradient(160deg, var(--indigo), var(--abyss) 72%);
}

.page-news .series-grid{
  display: grid;
  gap: 2.25rem;
}

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

.page-news .series-list li{
  display: grid;
  grid-template-columns: .9rem 1fr;
  gap: .85rem;
  align-items: start;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line);
}

.page-news .series-list li:last-child{
  border-bottom: 1px solid var(--line);
}

.page-news .series-mark{
  display: block;
  width: .7rem;
  height: .7rem;
  margin-top: .45rem;
  transform: rotate(45deg);
  background: var(--news-grad);
}

.page-news .series-list h3{
  margin: 0 0 .25rem;
  font-family: var(--font-head);
  font-size: .98rem;
  font-weight: 700;
  color: var(--frost);
}

.page-news .series-list p{
  margin: 0 0 .5rem;
  font-size: .89rem;
  line-height: 1.75;
  color: var(--silver);
  max-width: 40ch;
}

/* ---------- CTA ---------- */
.page-news .sec-cta{
  background: linear-gradient(120deg, var(--wine), var(--abyss) 78%);
}

.page-news .cta-inner{
  display: grid;
  gap: 2rem;
}

.page-news .cta-inner h2{
  margin: 0 0 .9rem;
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 4.6vw, 2.6rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--frost);
}

.page-news .cta-actions{
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

.page-news .copy-line{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  min-height: 52px;
  padding: .85rem 1rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(4, 24, 38, .45);
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-news .copy-line:hover,
.page-news .copy-line:focus-visible{
  border-color: var(--amber);
  background: rgba(4, 24, 38, .7);
  outline: none;
}

.page-news .copy-value{
  font-size: .88rem;
  color: var(--frost);
  word-break: break-all;
}

.page-news .copy-hint{
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-news .copy-line[data-copied="true"] .copy-value{
  color: var(--amber);
}

@media (min-width: 640px){
  .page-news .mx-legend{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px){
  .page-news .hero-inner{
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: 3.5rem;
  }

  .page-news .hero-side{
    margin-bottom: .5rem;
    padding: 1.6rem 1.5rem;
  }

  .page-news .idx-shell{
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-news .idx-rail{
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-news .chip-row{
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .chip{
    justify-content: space-between;
    width: 100%;
  }

  .page-news .idx-item{
    grid-template-columns: 7rem minmax(0, 1fr);
    column-gap: 1.6rem;
    row-gap: .45rem;
    padding: 1.5rem 0;
  }

  .page-news .idx-cat{
    grid-column: 1;
    grid-row: 1;
    padding-top: .3rem;
  }

  .page-news .idx-title{
    grid-column: 2;
    grid-row: 1;
    font-size: 1.14rem;
  }

  .page-news .idx-sum{
    grid-column: 2;
    grid-row: 2;
  }

  .page-news .idx-go{
    grid-column: 2;
    grid-row: 3;
  }

  .page-news .idx-when{
    opacity: 0;
    transform: translateX(-4px);
  }

  .page-news .idx-item:hover .idx-when,
  .page-news .idx-item:focus-within .idx-when{
    opacity: 1;
    transform: translateX(0);
  }

  .page-news .ver-grid{
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 3rem;
    align-items: start;
  }

  .page-news .mx-head{
    display: grid;
    grid-template-columns: minmax(10rem, 1.5fr) repeat(6, 2.2rem) minmax(0, 1.3fr);
    align-items: center;
    gap: .55rem;
    padding: 0 0 .6rem;
    font-size: .68rem;
    letter-spacing: .1em;
    color: var(--ink-muted);
    border-bottom: 1px solid var(--line-strong);
  }

  .page-news .mx-head span:not(:first-child):not(:last-child){
    text-align: center;
  }

  .page-news .mx-row{
    grid-template-columns: minmax(10rem, 1.5fr) repeat(6, 2.2rem) minmax(0, 1.3fr);
    align-items: center;
    gap: .55rem;
    padding: .55rem 0;
  }

  .page-news .mx-cells{
    display: contents;
  }

  .page-news .mx-cell{
    height: 1.2rem;
  }

  .page-news .mx-legend{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .7rem 1.5rem;
    margin-top: 2rem;
  }

  .page-news .notice-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 3rem;
  }

  .page-news .notice-list li{
    border-top: 1px solid var(--line);
  }

  .page-news .notice-list li:nth-last-child(-n+2){
    border-bottom: 1px solid var(--line);
  }

  .page-news .series-grid{
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-news .series-list li{
    grid-template-columns: .9rem minmax(0, 1fr) auto;
    column-gap: 1.1rem;
    align-items: center;
  }

  .page-news .series-list p{
    margin-bottom: 0;
  }

  .page-news .cta-inner{
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: 3rem;
    align-items: center;
  }
}

@media (min-width: 1180px){
  .page-news .hero-inner{
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .95fr);
  }

  .page-news .idx-shell{
    grid-template-columns: 17rem minmax(0, 1fr);
  }
}
<<<END>>>