.page-news {
  --page-news-gap: clamp(1.5rem, 3vw, 2.5rem);
  background:
    radial-gradient(circle at 88% 6%, rgba(0, 229, 255, 0.08), transparent 30%),
    radial-gradient(circle at 6% 30%, rgba(0, 255, 135, 0.05), transparent 26%),
    var(--bg-deep);
  color: var(--text-body);
  font-family: var(--font-body);
  line-height: 1.7;
  padding: 2rem clamp(1rem, 3vw, 2.5rem) 4rem;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  overflow-x: hidden;
}

.page-news .breadcrumb {
  font-size: 0.875rem;
  margin-bottom: 1.75rem;
}

.page-news .breadcrumb__link {
  color: var(--blue);
  text-decoration: none;
  transition: color var(--transition);
}

.page-news .breadcrumb__link:hover {
  color: var(--green);
}

.page-news__hero {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 2rem;
}

.page-news__hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--green) 0%, var(--blue) 100%);
}

.page-news__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.5rem;
}

.page-news__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text-bright);
  margin: 0 0 0.75rem;
}

.page-news__subtitle {
  max-width: 58ch;
  font-size: 1.0625rem;
  margin: 0;
}

.page-news__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  padding: 0.75rem;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 1.5rem 1.5rem;
}

.page-news__stat {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  padding: 0.875rem 1rem;
  overflow: hidden;
}

.page-news__stat::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--green);
  opacity: 0.35;
}

.page-news__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.375rem;
  line-height: 1.2;
  color: var(--text-bright);
}

.page-news__stat-label {
  display: block;
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

.page-news__notice {
  margin-bottom: 2.5rem;
}

.page-news__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--page-news-gap);
  margin-bottom: 3.5rem;
}

.page-news__feed {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

.page-news__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0;
}

.page-news__filters-label {
  font-size: 0.875rem;
  margin-right: 0.25rem;
}

.page-news__filter-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-body);
  text-decoration: none;
  border: 1px solid var(--border-grid);
  background: rgba(20, 32, 44, 0.7);
  padding: 0.25rem 0.625rem;
  transition:
    color var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.page-news__filter-link:hover {
  color: var(--green);
  border-color: var(--green);
  background: rgba(0, 255, 135, 0.08);
}

.page-news__anchor {
  display: block;
  width: 0;
  height: 0;
  overflow: hidden;
  margin: 0;
}

.page-news #filter-feature:target ~ .page-news__timeline .page-news__item:not(.page-news__item--feature),
.page-news #filter-match:target ~ .page-news__featured,
.page-news #filter-match:target ~ .page-news__timeline .page-news__item:not(.page-news__item--match),
.page-news #filter-tips:target ~ .page-news__featured,
.page-news #filter-tips:target ~ .page-news__timeline .page-news__item:not(.page-news__item--tips) {
  display: none;
}

.page-news__featured {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  overflow: hidden;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.page-news__featured:hover {
  border-color: rgba(0, 255, 135, 0.5);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.page-news__featured::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--blue));
  z-index: 1;
}

.page-news__badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  background: var(--green);
  color: var(--bg-deep);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  line-height: 1;
  padding: 0.375rem 0.625rem 0.375rem 0.8125rem;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 50%, calc(100% - 8px) 100%, 0 100%);
  animation: pageNewsPulse 2.4s ease-out 1 both;
}

@keyframes pageNewsPulse {
  0% {
    opacity: 0;
    transform: scale(0.85);
  }
  35% {
    opacity: 1;
    transform: scale(1.04);
  }
  70% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.page-news__featured-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__featured-content {
  padding: 1.25rem 1.25rem 1.5rem;
}

.page-news__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.page-news__time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.page-news__featured-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.375rem, 2.4vw, 2rem);
  line-height: 1.2;
  color: var(--text-bright);
  margin: 0 0 0.75rem;
}

.page-news__featured-summary {
  margin: 0 0 1rem;
}

.page-news__expand {
  border-top: 1px solid var(--border-grid);
  margin-top: 0.25rem;
}

.page-news__expand summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--green);
  padding: 0.75rem 0 0;
  transition: color var(--transition);
}

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

.page-news__expand summary:hover {
  color: var(--blue);
}

.page-news__expanded {
  padding-top: 0.75rem;
}

.page-news__expanded p {
  margin: 0 0 0.75rem;
}

.page-news__expanded .link-arrow {
  margin-top: 0.25rem;
}

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

.page-news__item {
  position: relative;
  background: rgba(20, 32, 44, 0.72);
  border: 1px solid var(--border-grid);
  border-left: 3px solid var(--border-grid);
  padding: 1rem 1rem 1rem 1.25rem;
  transition:
    border-color var(--transition),
    background var(--transition),
    transform var(--transition);
}

.page-news__item:hover {
  border-left-color: var(--green);
  background: rgba(24, 39, 52, 0.9);
  transform: translateY(-2px);
}

.page-news__item--feature {
  border-left-color: var(--green);
}

.page-news__item--match {
  border-left-color: var(--blue);
}

.page-news__item-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  line-height: 1.35;
  color: var(--text-bright);
  margin: 0 0 0.25rem;
}

.page-news__item-summary {
  font-size: 0.9375rem;
  margin: 0 0 0.5rem;
}

.page-news__more {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--blue);
  text-decoration: none;
  transition: color var(--transition);
}

.page-news__more:hover {
  color: var(--green);
}

.page-news__sidebar {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

.page-news__sidebar-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.375rem;
  color: var(--text-bright);
  margin: 0 0 1rem;
}

.page-news__topic-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  padding: 1rem 1.25rem 1.25rem;
  overflow: hidden;
}

.page-news__topic-card::after {
  content: "";
  position: absolute;
  right: -1.5rem;
  top: -1.5rem;
  width: 4rem;
  height: 4rem;
  background: rgba(0, 255, 135, 0.12);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-news__topic-media {
  margin: -1rem -1.25rem 1rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border-grid);
}

.page-news__topic-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__topic-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--text-bright);
  margin: 0.5rem 0 0.375rem;
}

.page-news__topic-desc {
  font-size: 0.875rem;
  margin: 0 0 0.75rem;
}

.page-news__topic-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--blue);
}

.page-news__topic-stats span {
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 0.25rem 0.5rem;
}

.page-news__guide {
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  padding: 1rem;
}

.page-news__guide-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border-grid);
}

.page-news__guide-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--text-bright);
  margin: 0 0 0.75rem;
}

.page-news__guide-steps {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-news__guide-steps li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
}

.page-news__guide-steps li span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1;
  background: var(--green);
  color: var(--bg-deep);
  border-radius: 50%;
}

.page-news__tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-news__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-body);
  text-decoration: none;
  border: 1px solid var(--border-grid);
  background: rgba(20, 32, 44, 0.7);
  padding: 0.25rem 0.625rem;
  transition:
    color var(--transition),
    border-color var(--transition);
}

.page-news__tag:hover {
  color: var(--green);
  border-color: var(--green);
}

.page-news__archive {
  margin-bottom: 3.5rem;
  background: linear-gradient(180deg, rgba(20, 32, 44, 0.5), rgba(20, 32, 44, 0.9));
  border: 1px solid var(--border-grid);
  padding: 1.5rem;
}

.page-news__section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.75rem;
  color: var(--text-bright);
  margin: 0 0 0.5rem;
}

.page-news__section-desc {
  font-size: 0.9375rem;
  margin: 0 0 1.25rem;
}

.page-news__archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.625rem;
}

.page-news__archive-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.125rem;
  padding: 0.625rem 0;
  border-bottom: 1px dashed var(--border-grid);
}

.page-news__version {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--green);
}

.page-news__archive-item strong {
  display: block;
  color: var(--text-bright);
  font-weight: 600;
}

.page-news__archive-item p {
  margin: 0.125rem 0 0;
  font-size: 0.875rem;
}

.page-news__archive-more {
  margin-top: 0.75rem;
}

.page-news__archive-more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--blue);
  padding: 0.5rem 0 0;
  transition: color var(--transition);
}

.page-news__archive-more summary::-webkit-details-marker {
  display: none;
}

.page-news__archive-more summary:hover {
  color: var(--green);
}

.page-news__archive-more .page-news__archive-list {
  margin-top: 0.75rem;
}

.page-news__journal {
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  padding: 1.5rem;
}

.page-news__journal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: center;
}

.page-news__journal-media {
  overflow: hidden;
  border: 1px solid var(--border-grid);
}

.page-news__journal-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__journal-content .tag {
  margin-bottom: 0.5rem;
}

.page-news__journal-content .page-news__section-title {
  margin-bottom: 0.75rem;
}

.page-news__journal-content p {
  margin: 0 0 0.75rem;
}

.page-news__journal-content .btn {
  margin-top: 0.5rem;
}

@media (min-width: 640px) {
  .page-news__stats {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .page-news__guide-steps li {
    flex-direction: column;
    text-align: center;
    gap: 0.375rem;
  }
}

@media (min-width: 560px) {
  .page-news__archive-item {
    grid-template-columns: 5rem 1fr;
    gap: 0.75rem;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-news__layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: var(--page-news-gap);
    align-items: start;
  }

  .page-news__sidebar {
    position: sticky;
    top: 1.5rem;
  }

  .page-news__journal-grid {
    grid-template-columns: 280px 1fr;
  }
}