.page-news {
  --news-gold: var(--color-gold);
  --news-purple: var(--color-purple);
  --news-cyan: var(--color-cyan);
  --news-surface: var(--color-surface);
  --news-border: var(--color-border);
  --news-text-secondary: var(--color-text-secondary);
  --news-radius-lg: var(--radius-lg);
  --news-radius-md: var(--radius-md);
  --news-radius-sm: var(--radius-sm);
  position: relative;
  container-type: inline-size;
}

.page-news__container {
  padding-block: 32px 64px;
}

.page-news .breadcrumb {
  margin-bottom: 20px;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-news .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
}

.page-news .breadcrumb li + li::before {
  content: "/";
  color: var(--news-text-secondary);
  margin-right: 8px;
}

.page-news .breadcrumb a {
  color: var(--news-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-news .breadcrumb a:hover {
  color: var(--news-gold);
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--color-text);
}

.page-news__hero {
  display: grid;
  gap: 16px;
  margin-bottom: 48px;
}

.page-news__hero-copy {
  max-width: 760px;
}

.page-news__eyebrow {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--news-purple);
  margin: 0 0 12px;
}

.page-news__hero h1 {
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin: 0 0 12px;
  background: linear-gradient(135deg, #fff 0%, var(--news-gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-news__lead {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--news-text-secondary);
  margin: 0;
}

.page-news__topic-index {
  padding: 18px 20px;
  border-radius: var(--news-radius-md);
  align-self: end;
  overflow-x: auto;
}

.page-news__topic-index ul {
  list-style: none;
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
  min-width: max-content;
}

.page-news__topic-index a.tag {
  text-decoration: none;
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-news__topic-index a.tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245, 197, 24, 0.2);
}

.page-news .section-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 12px 16px;
  margin-bottom: 24px;
}

.page-news .section-head__num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--news-purple);
}

.page-news .section-head__title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.02em;
}

.page-news .section-head__sub {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--news-text-secondary);
}

.page-news .section-head--divided {
  padding-top: 18px;
  border-top: 1px solid var(--news-border);
}

.page-news__latest-grid {
  display: grid;
  gap: 24px;
}

.page-news__feature {
  background: var(--news-surface);
  border-radius: var(--news-radius-lg);
  overflow: hidden;
  border: 2px solid transparent;
  position: relative;
  background:
    linear-gradient(var(--news-surface), var(--news-surface)) padding-box,
    linear-gradient(135deg, var(--news-gold), var(--news-purple), var(--news-cyan)) border-box;
}

.page-news__feature-media {
  position: relative;
  width: 100%;
  background: #000;
}

.page-news__feature-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
  opacity: 0.9;
}

.page-news__version-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--news-gold);
  padding: 6px 12px;
  border-radius: 999px;
  box-shadow: 0 0 24px rgba(245, 197, 24, 0.5);
}

.page-news__feature-body {
  padding: 24px 22px 26px;
}

.page-news__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news__date {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--news-gold);
}

.page-news__feature-body h3 {
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.3;
  margin: 0 0 12px;
  font-weight: 800;
}

.page-news__feature-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-text-secondary);
  margin: 0 0 14px;
}

.page-news__feature-body .btn {
  margin-top: 6px;
}

.page-news__reading-list {
  padding: 22px 20px;
  border-radius: var(--news-radius-md);
}

.page-news__reading-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news__reading-head h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
}

.page-news__count {
  font-size: 12px;
  color: var(--news-cyan);
  font-family: var(--font-mono);
  background: rgba(0, 240, 255, 0.1);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.page-news__reading-list-items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news__reading-list-items li {
  border-bottom: 1px solid var(--news-border);
}

.page-news__reading-list-items li:last-child {
  border-bottom: none;
}

.page-news__reading-list-items a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  text-decoration: none;
  color: var(--color-text);
  transition: background 0.2s ease;
}

.page-news__reading-list-items a:hover .page-news__reading-title {
  color: var(--news-gold);
}

.page-news__reading-title {
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s ease;
}

.page-news__arrow {
  color: var(--news-text-secondary);
  font-size: 18px;
  transition: transform 0.2s ease, color 0.2s ease;
}

.page-news__reading-list-items a:hover .page-news__arrow {
  transform: translateX(4px);
  color: var(--news-gold);
}

.page-news__archive-wrap {
  display: grid;
  gap: 24px;
}

.page-news__archive-media {
  border-radius: var(--news-radius-md);
  overflow: hidden;
  background: var(--news-surface);
}

.page-news__archive-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.85;
}

.page-news__archive-content {
  min-width: 0;
}

.page-news__archive-intro {
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-text-secondary);
  margin: 0 0 20px;
}

.page-news__version-list {
  display: grid;
  gap: 12px;
}

.page-news__version-list details {
  background: var(--news-surface);
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius-sm);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.page-news__version-list details[open] {
  border-color: var(--news-cyan);
}

.page-news__version-list summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
}

.page-news__version-list summary::-webkit-details-marker {
  display: none;
}

.page-news__version-list summary:hover {
  background: rgba(0, 240, 255, 0.05);
}

.page-news__vnum {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--news-purple);
  width: 64px;
}

.page-news__vtitle {
  flex: 1;
  font-size: 14px;
}

.page-news__vtag {
  font-family: var(--font-en);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(245, 197, 24, 0.15);
  color: var(--news-gold);
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.page-news__version-list details[open] .page-news__vtag {
  background: var(--news-gold);
  color: var(--color-primary);
}

.page-news__version-list details p {
  margin: 0;
  padding: 0 18px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-text-secondary);
}

.page-news__archive-content .btn {
  margin-top: 20px;
}

.page-news__features {
  position: relative;
}

.page-news__feature-grid {
  display: grid;
  gap: 18px;
}

.page-news__feature-card {
  background: var(--news-surface);
  border-radius: var(--news-radius-md);
  padding: 24px 22px;
  border: 1px solid var(--news-border);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}

.page-news__feature-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(245, 197, 24, 0.06), transparent 55%);
  pointer-events: none;
}

.page-news__feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 240, 255, 0.6);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.page-news__feature-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--news-gold);
  background: rgba(245, 197, 24, 0.1);
  border-radius: 14px;
  margin-bottom: 18px;
}

.page-news__feature-card--feedback .page-news__feature-card-icon {
  color: var(--news-purple);
  background: rgba(157, 78, 221, 0.12);
}

.page-news__feature-card--partner .page-news__feature-card-icon {
  color: var(--news-cyan);
  background: rgba(0, 240, 255, 0.1);
}

.page-news__feature-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.4;
  margin: 12px 0 10px;
}

.page-news__feature-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-text-secondary);
  margin: 0 0 14px;
}

.page-news__text-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--news-cyan);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
}

.page-news__text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--news-cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.page-news__text-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.page-news__series-illustration {
  margin-top: 24px;
  border-radius: var(--news-radius-md);
  overflow: hidden;
  background: var(--news-surface);
}

.page-news__series-illustration img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  opacity: 0.9;
}

.page-news__operation-wrap {
  display: grid;
  gap: 24px;
}

.page-news__operation-grid {
  display: grid;
  gap: 18px;
}

.page-news__operation-grid .data-card {
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-news__operation-grid .data-card:hover {
  transform: translateY(-3px);
  border-color: var(--news-cyan);
}

.page-news__operation-grid .data-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--news-purple);
}

.page-news__operation-grid .data-card__title {
  font-size: 1.1rem;
  font-weight: 800;
}

.page-news__operation-grid .data-card__desc {
  font-size: 14px;
  line-height: 1.7;
}

.page-news__operation-grid .data-card__footer {
  padding-top: 10px;
  border-top: 1px solid var(--news-border);
}

.page-news__operation-status {
  font-size: 12px;
  color: var(--news-gold);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-en);
  letter-spacing: 0.02em;
}

.page-news__operation-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--news-gold);
  box-shadow: 0 0 8px var(--news-gold);
  font-style: normal;
}

.page-news__operation-media {
  border-radius: var(--news-radius-md);
  overflow: hidden;
  background: var(--news-surface);
}

.page-news__operation-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  opacity: 0.85;
}

.page-news__cross-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 48px;
}

.page-news__cross-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 2px 12px;
  padding: 18px 16px;
  background: var(--news-surface);
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius-sm);
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-news__cross-card:hover {
  transform: translateY(-3px);
  border-color: var(--news-gold);
  background: rgba(245, 197, 24, 0.04);
}

.page-news__cross-num {
  grid-row: 1 / 3;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--news-purple);
  padding-top: 4px;
}

.page-news__cross-title {
  font-size: 15px;
  font-weight: 700;
}

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

@media (min-width: 576px) {
  .page-news__topic-index {
    justify-self: end;
  }

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

  .page-news__feature-card--partner {
    grid-column: span 2;
  }

  .page-news__cross-links {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 900px) {
  .page-news__container {
    padding-block: 48px 88px;
  }

  .page-news__hero {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 32px;
  }

  .page-news__hero-copy {
    max-width: 780px;
  }

  .page-news__topic-index {
    max-width: 400px;
  }

  .page-news__latest-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
    align-items: stretch;
  }

  .page-news__feature {
    height: 100%;
  }

  .page-news__feature-body {
    padding: 32px 34px 36px;
  }

  .page-news__feature-body h3 {
    font-size: 2.2rem;
  }

  .page-news__feature-body p {
    font-size: 15px;
  }

  .page-news__archive-wrap {
    grid-template-columns: minmax(300px, 0.9fr) 1.2fr;
    align-items: start;
    gap: 40px;
  }

  .page-news__archive-media img {
    aspect-ratio: 3 / 2;
  }

  .page-news__series-illustration {
    position: absolute;
    right: -12px;
    bottom: -2px;
    width: 300px;
    margin: 0;
    opacity: 0.35;
    pointer-events: none;
  }

  .page-news__feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news__feature-card--partner {
    grid-column: span 1;
  }

  .page-news__operation-wrap {
    grid-template-columns: auto minmax(240px, 280px);
    align-items: start;
    gap: 32px;
  }

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

  .page-news__operation-media {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1200px) {
  .page-news__hero h1 {
    font-size: 4.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    animation: none !important;
  }
}