.page-news {
  --news-glow: rgba(0, 229, 255, .14);
  --news-orange-glow: rgba(255, 107, 26, .16);
  overflow-x: clip;
  padding-bottom: 3rem;
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

.page-news .crumbs {
  margin: 1.1rem 0 .4rem;
}

.page-news .topics-hero {
  position: relative;
  padding: 1.4rem 0 2.6rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 130% at 88% -10%, var(--news-glow), transparent 48%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(30, 42, 56, .42) 79px 80px);
}

.page-news .topics-hero .eyebrow {
  color: var(--cyan);
}

.page-news .topics-hero h1 {
  margin: .85rem 0 1rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(2.3rem, 8.2vw, 4.6rem);
  line-height: .98;
  letter-spacing: -.03em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-news .hero-accent {
  color: var(--cyan);
}

.page-news .topics-hero__lead {
  max-width: 62ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(245, 247, 250, .82);
}

.page-news .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem 1.4rem;
  margin-top: 1.35rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--steel);
}

.page-news .hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}

.page-news .hero-meta span::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--cyan);
  border-radius: 50%;
}

.page-news .topics-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.7rem;
}

.page-news .topic-layout {
  display: grid;
  gap: 1.2rem;
  margin-top: .4rem;
}

.page-news .topic-rail {
  position: sticky;
  top: 0;
  z-index: 6;
  display: flex;
  gap: .4rem;
  margin: 0 -1rem;
  padding: .55rem 1rem;
  overflow-x: auto;
  background: rgba(10, 14, 20, .94);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.page-news .topic-rail::-webkit-scrollbar {
  display: none;
}

.page-news .rail-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: .42rem .65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--steel);
  text-decoration: none;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}

.page-news .rail-link__num {
  margin-right: .4rem;
  font-size: .62rem;
  color: var(--steel);
}

.page-news .rail-link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .rail-link[aria-current="true"] .rail-link__num {
  color: rgba(10, 14, 20, .65);
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

.page-news .rail-link[aria-current="true"]:hover {
  color: var(--ink);
}

.page-news .topic-main {
  min-width: 0;
}

.page-news .topic-section {
  padding: 2rem 0;
}

.page-news .topic-main > .topic-section + .topic-section {
  border-top: 1px solid var(--line);
}

.page-news .topic-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .4rem 1rem;
  margin-bottom: 1.15rem;
}

.page-news .topic-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.45rem, 4.4vw, 2rem);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .topic-head__note {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-news .section-intro {
  max-width: 66ch;
  margin: 0 0 1.2rem;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--steel);
}

.page-news .headline-card {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(0, 229, 255, .1), transparent 55%),
    linear-gradient(135deg, var(--panel-2), var(--panel) 62%);
}

.page-news .headline-card__media {
  min-height: 170px;
}

.page-news .headline-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .headline-card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .7rem;
  padding: clamp(1.1rem, 4vw, 2rem);
}

.page-news .headline-card__kicker {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.page-news .headline-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .headline-card p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: .18rem .5rem;
  border: 1px solid rgba(0, 229, 255, .34);
  border-radius: 999px;
  background: rgba(0, 229, 255, .06);
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .06em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-news .tag--orange {
  border-color: rgba(255, 107, 26, .46);
  background: var(--news-orange-glow);
  color: var(--orange);
}

.page-news .link-more {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .4);
  padding-bottom: .1rem;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-news .link-more:hover,
.page-news .link-more:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

.page-news .chips {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 1.1rem;
}

.page-news .chip {
  padding: .38rem .72rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--steel);
  cursor: pointer;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}

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

.page-news .chip[aria-pressed="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .observe-body {
  display: grid;
  gap: 1.4rem;
}

.page-news .observe-list {
  min-width: 0;
}

.page-news .observe-item {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: .7rem;
  padding: 1rem .35rem;
  border-top: 1px solid var(--line);
  transition: background var(--fast) var(--ease);
}

.page-news .observe-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .observe-item:hover {
  background: rgba(0, 229, 255, .035);
}

.page-news .observe-item__index {
  padding-top: .18rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-news .observe-item__body {
  min-width: 0;
}

.page-news .observe-item__title {
  margin: 0 0 .3rem;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-news .observe-item__title a {
  color: var(--white);
  text-decoration: none;
  transition: color var(--fast) var(--ease);
}

.page-news .observe-item:hover .observe-item__title a,
.page-news .observe-item__title a:focus-visible {
  color: var(--cyan);
}

.page-news .observe-item__text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  margin: 0;
  overflow: hidden;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--steel);
  transition: color var(--fast) var(--ease);
}

.page-news .observe-item:hover .observe-item__text {
  -webkit-line-clamp: 6;
  color: rgba(245, 247, 250, .74);
}

.page-news .observe-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  margin-top: .5rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .05em;
  color: var(--steel);
}

.page-news .observe-figure,
.page-news .update-figure,
.page-news .method-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel-2);
}

.page-news .observe-figure img,
.page-news .update-figure img,
.page-news .method-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .observe-figure figcaption,
.page-news .update-figure figcaption,
.page-news .method-figure figcaption {
  padding: .65rem .85rem .75rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  line-height: 1.6;
  letter-spacing: .03em;
  color: var(--steel);
  border-top: 1px solid var(--line);
}

.page-news .update-body {
  display: grid;
  gap: 1.4rem;
}

.page-news .timeline {
  margin: .2rem 0 0 .35rem;
  padding-left: 1.45rem;
  border-left: 2px solid var(--line);
}

.page-news .timeline__item {
  position: relative;
  padding-bottom: 1.35rem;
}

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

.page-news .timeline__item::before {
  content: "";
  position: absolute;
  top: .35rem;
  left: calc(-1.45rem - 5px);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, .12);
}

.page-news .timeline__item:nth-child(1)::before,
.page-news .timeline__item:nth-child(2)::before,
.page-news .timeline__item:nth-child(3)::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px var(--news-orange-glow);
}

.page-news .timeline__date {
  margin: 0 0 .18rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-news .timeline__title {
  margin: 0 0 .3rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--white);
}

.page-news .timeline__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-news .method-body {
  display: grid;
  gap: 1.4rem;
}

.page-news .method-steps {
  min-width: 0;
}

.page-news .method-step {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: .7rem;
  padding: .85rem 0;
  border-top: 1px solid var(--line);
}

.page-news .method-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .method-step__num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--cyan);
}

.page-news .method-step h3 {
  margin: 0 0 .25rem;
  font-size: .98rem;
  color: var(--white);
}

.page-news .method-step p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-news .topic-index {
  display: grid;
  gap: .9rem;
}

.page-news .index-group {
  padding: 1rem 1.1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background:
    linear-gradient(180deg, rgba(0, 229, 255, .045), transparent 42%),
    var(--panel);
}

.page-news .index-group__title {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  margin: 0 0 .55rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-news .index-group__title span:last-child {
  color: var(--steel);
  letter-spacing: .06em;
}

.page-news .index-item {
  display: grid;
  grid-template-columns: 1.7rem minmax(0, 1fr);
  gap: .5rem;
  align-items: baseline;
  padding: .55rem 0;
  border-top: 1px dashed var(--line);
}

.page-news .index-item__num {
  font-family: var(--font-mono);
  font-size: .66rem;
  color: var(--steel);
}

.page-news .index-item a {
  color: var(--white);
  font-size: .9rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--fast) var(--ease);
}

.page-news .index-item a:hover,
.page-news .index-item a:focus-visible {
  color: var(--cyan);
}

.page-news .topic-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1.2rem;
  padding: clamp(1.15rem, 4vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(115deg, rgba(0, 229, 255, .13), transparent 55%),
    var(--panel);
}

.page-news .topic-cta__title {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.15rem, 3.6vw, 1.5rem);
  color: var(--white);
}

.page-news .topic-cta__text {
  max-width: 52ch;
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-news .topic-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

@media (min-width: 720px) {
  .page-news .topics-hero {
    padding: 2rem 0 3.2rem;
  }

  .page-news .topics-hero h1 {
    transform: skewX(-5deg);
    transform-origin: left bottom;
  }

  .page-news .headline-card {
    grid-template-columns: 1.02fr .98fr;
  }

  .page-news .headline-card__media {
    order: 2;
    min-height: 100%;
  }

  .page-news .headline-card__body {
    order: 1;
  }

  .page-news .topic-index {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

@media (min-width: 880px) {
  .page-news .observe-body {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .82fr);
    gap: 1.8rem;
    align-items: start;
  }

  .page-news .observe-figure {
    position: sticky;
    top: 5.4rem;
  }

  .page-news .update-body {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    gap: 1.8rem;
    align-items: start;
  }

  .page-news .method-body {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 1.8rem;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .topic-layout {
    grid-template-columns: 188px minmax(0, 1fr);
    gap: 2.8rem;
    align-items: start;
    margin-top: 1.4rem;
  }

  .page-news .topic-rail {
    position: sticky;
    top: 6.2rem;
    display: block;
    margin: 0;
    padding: .2rem 0 0;
    overflow: visible;
    background: transparent;
    border-bottom: 0;
  }

  .page-news .rail-link {
    display: flex;
    width: 100%;
    padding: .55rem 0 .55rem .9rem;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    font-size: .73rem;
    white-space: normal;
  }

  .page-news .rail-link[aria-current="true"] {
    color: var(--cyan);
    background: transparent;
    border-left-color: var(--cyan);
  }

  .page-news .rail-link[aria-current="true"] .rail-link__num {
    color: var(--cyan);
  }

  .page-news .rail-link:hover,
  .page-news .rail-link:focus-visible {
    color: var(--cyan-soft);
    background: rgba(0, 229, 255, .04);
  }

  .page-news .topic-section {
    padding: 2.6rem 0;
  }

  .page-news .topic-main > .topic-section:first-child {
    padding-top: 0;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}
<<<END>>>