.page-news {
  --news-rail-width: 48px;
  --news-accent: var(--color-accent-cyan);
  --news-warm: var(--color-accent-orange);
  --news-surface-hover: rgba(255, 255, 255, 0.025);
  color: var(--color-text-primary);
}

.page-news .breadcrumb {
  padding: 20px 0 0;
}

.page-news .news-hero {
  position: relative;
  z-index: 0;
  display: grid;
  grid-template-columns: var(--news-rail-width) minmax(0, 1fr);
  column-gap: 14px;
  padding: 44px 0 36px;
  border-bottom: 1px solid var(--color-border-glass);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(to bottom, black, rgba(0, 0, 0, 0) 75%);
  mask-image: linear-gradient(to bottom, black, rgba(0, 0, 0, 0) 75%);
}

.page-news .news-hero__rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 200px;
  color: var(--news-accent);
}

.page-news .news-hero__rail-index {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  writing-mode: vertical-rl;
  padding-top: 4px;
}

.page-news .news-hero__rail-line {
  width: 1px;
  flex: 1 1 auto;
  background: linear-gradient(var(--news-accent), rgba(0, 184, 212, 0.08) 80%, transparent 100%);
}

.page-news .news-hero__content {
  min-width: 0;
}

.page-news .news-hero__kicker {
  margin: 0 0 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--news-warm);
}

.page-news .news-hero h1 {
  margin: 0 0 22px;
  font-size: clamp(2.1rem, 6vw, 4.1rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 900px;
}

.page-news .news-hero__lead {
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  max-width: 720px;
}

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

.page-news .news-feed,
.page-news .news-timeline,
.page-news .news-topics {
  padding: 64px 0 24px;
}

.page-news .news-topics {
  padding-bottom: 72px;
}

.page-news .section__header {
  display: grid;
  grid-template-columns: var(--news-rail-width) minmax(0, 1fr);
  column-gap: 14px;
  align-items: start;
  margin-bottom: 28px;
}

.page-news .section__heading-text {
  min-width: 0;
}

.page-news .section__index {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--news-accent);
  padding-top: 6px;
}

.page-news .section__title {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-news .section__subtitle {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.6;
  max-width: 640px;
}

.page-news .tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 6px;
  background: var(--news-accent);
  vertical-align: middle;
}

.page-news .tag--orange::before {
  background: var(--news-warm);
}

.page-news .news-feed__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 32px;
  padding-left: var(--news-rail-width);
}

.page-news .news-feed__filter {
  appearance: none;
  border: 1px solid var(--color-border-glass);
  background: transparent;
  color: var(--color-text-secondary);
  font: inherit;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-news .news-feed__filter:hover {
  color: var(--color-text-primary);
  border-color: rgba(255, 255, 255, 0.22);
}

.page-news .news-feed__filter.is-active {
  background: var(--news-accent);
  border-color: transparent;
  color: #041018;
  font-weight: 600;
}

.page-news .feed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border-glass);
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: var(--news-rail-width) minmax(0, 1fr);
  column-gap: 14px;
  padding: 36px 0;
  border-bottom: 1px solid var(--color-border-glass);
  transition: background-color 0.3s var(--ease);
}

.page-news .feed-item:hover {
  background-color: var(--news-surface-hover);
}

.page-news .feed-item__num {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--news-accent);
  padding-top: 6px;
}

.page-news .feed-item__card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-news .feed-item__media img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border-glass);
}

.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .feed-item__time {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.page-news .feed-item__card h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-news .feed-item__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
  max-width: 680px;
}

.page-news .feed-item__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  font-size: 14px;
  font-weight: 500;
  color: var(--news-accent);
  text-decoration: none;
  transition: gap 0.3s var(--ease), color 0.3s var(--ease);
}

.page-news .feed-item__more:hover {
  gap: 10px;
  color: var(--news-warm);
}

.page-news .news-timeline__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 36px;
}

.page-news .news-timeline__media img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border-glass);
}

.page-news .version-line {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 22px;
  border-left: 1px dashed var(--color-border-glass);
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-news .version-item {
  position: relative;
  padding-left: 22px;
}

.page-news .version-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--news-warm);
  box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.14);
}

.page-news .version-item__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .version-item__ver {
  font-size: 18px;
  font-weight: 700;
  color: var(--news-accent);
  letter-spacing: 0.02em;
}

.page-news .version-item__tag {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.page-news .version-item__body h3 {
  margin: 10px 0 6px;
  font-size: 18px;
  line-height: 1.4;
}

.page-news .version-item__body p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.75;
  max-width: 640px;
}

.page-news .topics-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-glass);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-news .topic-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 184, 212, 0.45);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
}

.page-news .topic-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .topic-card__body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.page-news .topic-card__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--news-warm);
}

.page-news .topic-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.45;
}

.page-news .topic-card p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.page-news .topic-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

@media (min-width: 640px) {
  .page-news .news-hero {
    padding: 60px 0 48px;
    column-gap: 20px;
  }

  .page-news .news-hero__rail {
    min-height: 240px;
  }

  .page-news .news-hero h1 {
    font-size: clamp(3rem, 6vw, 4.4rem);
  }

  .page-news .news-hero__lead {
    font-size: 18px;
  }

  .page-news .news-feed,
  .page-news .news-timeline,
  .page-news .news-topics {
    padding: 80px 0 32px;
  }

  .page-news .news-topics {
    padding-bottom: 88px;
  }

  .page-news .news-timeline__layout {
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
    gap: 40px;
  }

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

  .page-news .topics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero {
    column-gap: 32px;
    padding: 72px 0 56px;
  }

  .page-news .news-hero__rail {
    min-height: 280px;
  }

  .page-news .news-hero__lead {
    font-size: 19px;
  }

  .page-news .section__header {
    column-gap: 32px;
    margin-bottom: 40px;
  }

  .page-news .section__index {
    font-size: 13px;
  }

  .page-news .news-feed__filters {
    padding-left: calc(var(--news-rail-width) + 32px);
  }

  .page-news .feed-item {
    column-gap: 32px;
    padding: 44px 0;
  }

  .page-news .feed-item__num {
    font-size: 13px;
  }

  .page-news .feed-item__card {
    gap: 18px;
  }

  .page-news .feed-item__card h3 {
    font-size: 24px;
  }

  .page-news .feed-item__card p {
    font-size: 16px;
  }

  .page-news .version-line {
    gap: 36px;
  }

  .page-news .version-item__ver {
    font-size: 20px;
  }

  .page-news .version-item__body h3 {
    font-size: 20px;
  }

  .page-news .topic-card h3 {
    font-size: 22px;
  }
}