.page-news {
  background:
    radial-gradient(1200px 500px at 85% -5%, rgba(0, 229, 255, 0.08), transparent 60%),
    radial-gradient(800px 400px at 5% 20%, rgba(198, 255, 0, 0.05), transparent 55%),
    var(--color-bg);
}

.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news__hero {
  padding: 2rem 0 4rem;
  border-bottom: 1px solid var(--color-line);
  position: relative;
  overflow: hidden;
}

.page-news__hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(225deg, rgba(0, 229, 255, 0.06), transparent 70%);
  pointer-events: none;
}

.page-news__hero-inner {
  position: relative;
}

.page-news__hero-grid {
  display: grid;
  gap: 2rem;
  align-items: end;
  margin-top: 2.5rem;
}

.page-news__title {
  margin: 0.5rem 0 0.75rem;
  font-size: 2.75rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-news__lead {
  max-width: 36rem;
  margin: 0;
  color: var(--color-text-sub);
  font-size: 1rem;
  line-height: 1.8;
}

.page-news__rhythm {
  border: 1px solid var(--color-line);
  background: rgba(20, 20, 20, 0.65);
  backdrop-filter: blur(4px);
  padding: 1.25rem;
  position: relative;
}

.page-news__rhythm::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--gradient-accent);
  opacity: 0.7;
}

.page-news__rhythm-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.page-news__rhythm-bars {
  display: flex;
  align-items: flex-end;
  gap: 0.4rem;
  height: 120px;
  margin-top: 1rem;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 0.25rem;
}

.page-news__rhythm-bars span {
  flex: 1;
  min-height: 6px;
  background: linear-gradient(to top, rgba(198, 255, 0, 0.12), rgba(0, 229, 255, 0.55));
  border-top: 1px solid var(--color-accent);
  transition: filter 0.2s var(--ease);
}

.page-news__rhythm-bars span:hover {
  filter: brightness(1.4);
}

.page-news__rhythm-bars span:nth-child(1) {
  height: 30%;
}

.page-news__rhythm-bars span:nth-child(2) {
  height: 55%;
}

.page-news__rhythm-bars span:nth-child(3) {
  height: 40%;
}

.page-news__rhythm-bars span:nth-child(4) {
  height: 70%;
}

.page-news__rhythm-bars span:nth-child(5) {
  height: 60%;
}

.page-news__rhythm-bars span:nth-child(6) {
  height: 85%;
}

.page-news__rhythm-bars span:nth-child(7) {
  height: 75%;
}

.page-news__rhythm-caption {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
}

.page-news__featured {
  padding: 4rem 0 2rem;
}

.page-news__section-heading {
  margin-bottom: 2rem;
}

.page-news__featured-grid {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 86%;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 0.5rem;
}

.page-news__featured-card {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  scroll-snap-align: start;
  display: flex;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-news__featured-card:hover {
  border-color: rgba(198, 255, 0, 0.45);
  box-shadow: var(--shadow-panel);
}

.page-news__card-link {
  display: flex;
  flex-direction: column;
  width: 100%;
  color: inherit;
  text-decoration: none;
}

.page-news__featured-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-bottom: 1px solid var(--color-line);
}

.page-news__featured-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.5rem;
}

.page-news__featured-body--plain {
  position: relative;
  justify-content: flex-start;
  border-left: 3px solid var(--color-accent-blue);
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.04), transparent 60%),
    var(--color-panel);
}

.page-news__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.page-news__topic-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: 999px;
  background: rgba(0, 229, 255, 0.06);
  color: var(--color-accent-blue);
  white-space: nowrap;
}

.page-news__topic-tag--featured {
  border: none;
  background: var(--gradient-accent);
  color: #000;
  font-weight: 700;
}

.page-news__time {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.page-news__featured-title {
  margin: 0.25rem 0 0;
  font-family: var(--font-headline);
  font-size: 1.45rem;
  line-height: 1.3;
  font-weight: 700;
  color: var(--color-text);
}

.page-news__featured-summary {
  margin: 0;
  color: var(--color-text-sub);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-news__read-more {
  margin-top: auto;
  padding-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--color-accent);
}

.page-news__card-link:hover .page-news__read-more {
  color: var(--color-accent-blue);
}

.page-news__articles {
  padding: 4rem 0 2rem;
}

.page-news__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-line);
}

.page-news__filter-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--color-line);
  color: var(--color-text-sub);
  text-decoration: none;
  border-radius: 2px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news__filter-link:hover {
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
  background: rgba(0, 229, 255, 0.05);
}

.page-news__filter-link--active {
  border-color: var(--color-accent);
  color: #000;
  background: var(--color-accent);
  font-weight: 700;
}

.page-news__group {
  margin-top: 2.5rem;
  scroll-margin-top: var(--header-height);
}

.page-news__group-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-line);
}

.page-news__group-index {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-accent-blue);
}

.page-news__group-title {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.5rem;
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}

.page-news__cards {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-news__article-card {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-news__article-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}

.page-news__article-card:hover,
.page-news__article-card:focus-within {
  border-color: rgba(0, 229, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-panel);
}

.page-news__article-card:hover::before,
.page-news__article-card:focus-within::before {
  opacity: 1;
}

.page-news__article-card--media .page-news__article-media {
  order: -1;
}

.page-news__article-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-bottom: 1px solid var(--color-line);
}

.page-news__article-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.page-news__article-title {
  margin: 0.25rem 0 0;
  font-family: var(--font-headline);
  font-size: 1.2rem;
  line-height: 1.35;
  font-weight: 700;
  color: var(--color-text);
}

.page-news__article-summary {
  margin: 0;
  color: var(--color-text-sub);
  font-size: 0.95rem;
  line-height: 1.7;
  max-height: 3.4em;
  overflow: hidden;
  transition: max-height 0.3s var(--ease);
}

.page-news__article-card:hover .page-news__article-summary,
.page-news__article-card:focus-within .page-news__article-summary {
  max-height: 12em;
}

.page-news__article-link {
  margin-top: auto;
  padding-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  text-decoration: none;
}

.page-news__article-link:hover {
  color: var(--color-accent-blue);
}

.page-news__updates {
  padding: 4rem 0;
  background: linear-gradient(180deg, transparent, rgba(0, 229, 255, 0.04) 40%, transparent);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.page-news__updates-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

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

.page-news__timeline::before {
  content: "";
  position: absolute;
  left: 3.8rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-blue), transparent);
  opacity: 0.6;
}

.page-news__timeline-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  column-gap: 1.25rem;
  padding: 1rem 0;
  position: relative;
}

.page-news__timeline-item:first-child {
  padding-top: 0;
}

.page-news__timeline-item:last-child {
  padding-bottom: 0;
}

.page-news__version {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  padding: 0.28rem 0.35rem;
  text-align: center;
  align-self: start;
  white-space: nowrap;
}

.page-news__timeline-body {
  border-left: 1px solid var(--color-line);
  padding-left: 1.25rem;
  padding-bottom: 0.25rem;
}

.page-news__timeline-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--color-text);
  font-weight: 700;
}

.page-news__timeline-body p {
  margin: 0;
  color: var(--color-text-sub);
  font-size: 0.9rem;
  line-height: 1.65;
}

.page-news__updates-side {
  display: grid;
  gap: 1rem;
}

.page-news__updates-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--color-line);
}

.page-news__spec {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-news__updates-note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-sub);
  line-height: 1.6;
}

.page-news__updates-note a {
  color: var(--color-accent);
  text-decoration: none;
}

.page-news__updates-note a:hover {
  color: var(--color-accent-blue);
}

.page-news__feedback {
  padding: 4rem 0;
}

.page-news__feedback-panel {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.page-news__feedback-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
}

.page-news__feedback-panel::after {
  content: "";
  position: absolute;
  right: -20%;
  bottom: -30%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(198, 255, 0, 0.06), transparent 70%);
  pointer-events: none;
}

.page-news__section-heading--light {
  position: relative;
}

.page-news__feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-news__feedback-note {
  margin: 1.5rem 0 0;
  font-size: 0.85rem;
  color: var(--color-text-dim);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .page-news__hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
  }

  .page-news__title {
    font-size: 3.25rem;
  }

  .page-news__lead {
    font-size: 1.05rem;
  }

  .page-news__feedback-panel {
    padding: 3rem;
  }
}

@media (min-width: 900px) {
  .page-news__featured-grid {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: 1.5fr 1fr;
    overflow: visible;
    scroll-snap-type: none;
    gap: 1.5rem;
  }

  .page-news__cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news__updates-grid {
    grid-template-columns: 1.4fr 0.8fr;
    gap: 3rem;
  }

  .page-news__timeline-item {
    grid-template-columns: 4.5rem 1fr;
    column-gap: 2rem;
  }

  .page-news__timeline::before {
    left: 5.5rem;
  }

  .page-news__timeline-body {
    padding-left: 2rem;
  }
}