.page-news {
  display: block;
  color: var(--white);
  background: var(--ink);
}

.page-news .breadcrumbs {
  padding-top: clamp(18px, 3.5vw, 34px);
  font-size: .82rem;
}

/* ---------- hero ---------- */

.page-news .n-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 44px) 0 clamp(30px, 5vw, 58px);
}

.page-news .n-hero::before {
  content: "";
  position: absolute;
  top: -190px;
  right: -150px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at 50% 50%, rgba(34, 240, 211, .16), transparent 68%);
  pointer-events: none;
}

.page-news .n-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-line), transparent);
}

.page-news .n-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-news .n-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .n-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  flex: 0 0 auto;
  background: var(--cyan);
}

.page-news .n-h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 6.2vw, 4.3rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-news .n-lede {
  margin: 0 0 14px;
  max-width: 60ch;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-news .n-lede--sub {
  margin-bottom: 0;
  font-size: .9rem;
  color: var(--sage);
}

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

.page-news .n-facts li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .n-facts__n {
  flex: 0 0 auto;
  min-width: 4.4em;
  font-size: 1.25rem;
  color: var(--cyan);
}

.page-news .n-facts__t {
  font-size: .86rem;
  line-height: 1.5;
  color: var(--mist);
}

@media (min-width: 940px) {
  .page-news .n-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }
}

/* ---------- section frame ---------- */

.page-news .n-sect {
  position: relative;
  padding: clamp(34px, 6vw, 74px) 0;
}

.page-news .n-sect__head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(20px, 3.5vw, 34px);
}

.page-news .n-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .n-sect__note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan-line);
  font-size: .88rem;
  line-height: 1.7;
  color: var(--mist);
}

@media (min-width: 860px) {
  .page-news .n-sect__head {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    align-items: end;
    gap: clamp(20px, 4vw, 48px);
  }
}

/* ---------- timeline rail ---------- */

.page-news .n-rail {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 2px 0 18px;
  margin-bottom: clamp(18px, 3vw, 30px);
  scrollbar-width: thin;
  scrollbar-color: var(--cyan-line) transparent;
  outline: none;
}

.page-news .n-rail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 5px;
  border-radius: 6px;
}

.page-news .n-rail::-webkit-scrollbar {
  height: 4px;
}

.page-news .n-rail::-webkit-scrollbar-thumb {
  background: var(--cyan-line);
  border-radius: 4px;
}

.page-news .n-node {
  position: relative;
  flex: 0 0 158px;
  scroll-snap-align: start;
  display: grid;
  gap: 7px;
  padding: 16px 14px 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--cabin) 0%, rgba(11, 29, 51, .55) 100%);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-news .n-node:hover {
  border-color: var(--cyan-line);
  transform: translateY(-2px);
}

.page-news .n-node::before {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  top: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-news .n-node__time {
  font-size: 1.15rem;
  color: var(--white);
  letter-spacing: .02em;
}

.page-news .n-node__league {
  font-size: .82rem;
  color: var(--mist);
  line-height: 1.4;
}

.page-news .n-node .tag {
  justify-self: start;
  font-size: .72rem;
}

.page-news .n-figure {
  margin: 0;
}

/* ---------- paper chapter ---------- */

.page-news .n-paper-wrap {
  padding: clamp(10px, 2vw, 22px) 0;
}

.page-news .n-paper {
  padding: clamp(28px, 4.5vw, 58px) clamp(20px, 4vw, 52px);
  border-radius: var(--radius-paper);
  background: var(--paper);
  color: var(--paper-ink);
  box-shadow: inset 0 0 0 1px rgba(18, 34, 51, .08);
}

.page-news .n-paper .n-kicker {
  color: rgba(18, 34, 51, .66);
}

.page-news .n-paper .n-kicker::before {
  background: var(--orange);
}

.page-news .n-h2--paper {
  color: var(--paper-ink);
}

.page-news .n-paper__intro {
  margin: 14px 0 clamp(20px, 3vw, 30px);
  max-width: 62ch;
  font-size: .94rem;
  line-height: 1.8;
  color: rgba(18, 34, 51, .72);
}

.page-news .n-taglist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(18, 34, 51, .16);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .n-taglist li {
  padding: 20px 22px 22px;
  background: var(--paper);
}

.page-news .n-taglist h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper-ink);
}

.page-news .n-taglist h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 9px;
  border-radius: 2px;
  background: var(--orange);
  vertical-align: 1px;
}

.page-news .n-taglist p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: rgba(18, 34, 51, .74);
}

@media (min-width: 720px) {
  .page-news .n-taglist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .n-taglist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- filter + feed ---------- */

.page-news .n-figure--head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-news .n-filter {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-news .n-tagbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
}

.page-news .n-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .02em;
  color: var(--mist);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .n-chip:hover {
  border-color: var(--cyan);
  color: var(--white);
}

.page-news #nf-all:checked ~ .n-tagbar [for="nf-all"],
.page-news #nf-pre:checked ~ .n-tagbar [for="nf-pre"],
.page-news #nf-data:checked ~ .n-tagbar [for="nf-data"],
.page-news #nf-version:checked ~ .n-tagbar [for="nf-version"],
.page-news #nf-tutorial:checked ~ .n-tagbar [for="nf-tutorial"],
.page-news #nf-device:checked ~ .n-tagbar [for="nf-device"],
.page-news #nf-league:checked ~ .n-tagbar [for="nf-league"] {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.page-news #nf-all:focus-visible ~ .n-tagbar [for="nf-all"],
.page-news #nf-pre:focus-visible ~ .n-tagbar [for="nf-pre"],
.page-news #nf-data:focus-visible ~ .n-tagbar [for="nf-data"],
.page-news #nf-version:focus-visible ~ .n-tagbar [for="nf-version"],
.page-news #nf-tutorial:focus-visible ~ .n-tagbar [for="nf-tutorial"],
.page-news #nf-device:focus-visible ~ .n-tagbar [for="nf-device"],
.page-news #nf-league:focus-visible ~ .n-tagbar [for="nf-league"] {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-news .n-feed {
  border-top: 1px solid var(--line);
}

.page-news .n-item {
  display: none;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news #nf-all:checked ~ .n-feed .n-item {
  display: grid;
}

.page-news #nf-pre:checked ~ .n-feed .n-item[data-tag="pre"],
.page-news #nf-data:checked ~ .n-feed .n-item[data-tag="data"],
.page-news #nf-version:checked ~ .n-feed .n-item[data-tag="version"],
.page-news #nf-tutorial:checked ~ .n-feed .n-item[data-tag="tutorial"],
.page-news #nf-device:checked ~ .n-feed .n-item[data-tag="device"],
.page-news #nf-league:checked ~ .n-feed .n-item[data-tag="league"] {
  display: grid;
}

.page-news .n-item__no {
  padding-top: 3px;
  font-size: .98rem;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-news .n-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 7px;
}

.page-news .n-item__when {
  font-size: .74rem;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-news .n-item__d summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(.98rem, 1.9vw, 1.18rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
  transition: color .2s var(--ease);
}

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

.page-news .n-item__d summary::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.25;
  color: var(--cyan);
}

.page-news .n-item__d summary:hover,
.page-news .n-item__d[open] summary {
  color: var(--cyan);
}

.page-news .n-item__d[open] summary::after {
  content: "−";
}

.page-news .n-item__d summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-news .n-item__p {
  margin: 10px 0 2px;
  max-width: 70ch;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 760px) {
  .page-news .n-item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 0;
  }

  .page-news .n-item__no {
    font-size: 1.12rem;
  }
}

/* ---------- mixed bands ---------- */

.page-news .n-bands {
  display: grid;
  gap: 16px;
}

.page-news .n-band {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--cabin);
}

.page-news .n-band--obs {
  background: linear-gradient(160deg, rgba(34, 240, 211, .1), var(--cabin) 58%);
}

.page-news .n-band--help {
  background: linear-gradient(160deg, rgba(127, 169, 155, .14), var(--cabin) 58%);
}

.page-news .n-band--ver {
  background: linear-gradient(160deg, rgba(255, 122, 61, .11), var(--cabin) 58%);
}

.page-news .n-band__figure {
  margin: 0;
}

.page-news .n-band__label {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .n-band--help .n-band__label {
  color: var(--sage);
}

.page-news .n-band--ver .n-band__label {
  color: var(--orange);
}

.page-news .n-band h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-news .n-band p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .n-band__link {
  justify-self: start;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--cyan-line);
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--cyan);
  text-decoration: none;
}

.page-news .n-band--ver .n-band__link {
  border-bottom-color: rgba(255, 122, 61, .45);
  color: var(--orange);
}

.page-news .n-band__link:hover {
  border-bottom-color: currentColor;
}

@media (min-width: 900px) {
  .page-news .n-bands {
    grid-template-columns: 1.12fr .92fr .96fr;
    align-items: start;
    gap: 20px;
  }
}

/* ---------- close ---------- */

.page-news .n-close {
  padding: clamp(34px, 6vw, 72px) 0 clamp(46px, 8vw, 92px);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 18% 0%, rgba(34, 240, 211, .1), transparent 58%),
    var(--ink);
}

.page-news .n-close__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-news .n-close__text {
  margin: 14px 0 22px;
  max-width: 56ch;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .n-close__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .n-close__aside {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 29, 51, .62);
}

.page-news .n-close__aside-label {
  margin: 0 0 12px;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-news .n-close__beat {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-news .n-close__beat li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: .86rem;
  line-height: 1.55;
  color: var(--mist);
}

.page-news .n-close__beat li .num {
  flex: 0 0 auto;
  min-width: 3.6em;
  color: var(--cyan);
  font-size: .9rem;
}

.page-news .n-close__back {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.page-news .n-close__back:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

@media (min-width: 880px) {
  .page-news .n-close__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: clamp(28px, 5vw, 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .n-node,
  .page-news .n-chip,
  .page-news .n-item__d summary {
    transition: none;
  }
}
<<<END>>>