.page-news {
  --news-timeline-width: 2px;
  --news-card-radius: 12px;
  --news-gap: var(--space-lg);
  background: var(--color-bg-light);
}

.page-news .breadcrumbs {
  padding-top: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-news .news-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary);
  isolation: isolate;
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  z-index: -2;
}

.page-news .news-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-primary) 0%, rgba(10, 30, 60, 0.6) 100%);
  z-index: -1;
}

.page-news .news-hero__overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 50%);
}

.page-news .news-hero__content {
  position: relative;
  z-index: 2;
  padding: var(--space-xxl) 0;
}

.page-news .news-hero__tagline {
  font-family: var(--font-mono);
  color: var(--color-cyan);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.page-news .news-hero__title {
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.2;
  color: var(--color-white);
  margin: 0 0 var(--space-md);
  max-width: 700px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
}

.page-news .news-hero__desc {
  color: var(--color-secondary);
  max-width: 600px;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.page-news .news-hero__tech {
  pointer-events: none;
}

.page-news .tech-dot {
  position: absolute;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
}

.page-news .tech-dot--1 {
  width: 8px;
  height: 8px;
  top: 24%;
  right: 12%;
}

.page-news .tech-dot--2 {
  width: 6px;
  height: 6px;
  bottom: 20%;
  right: 8%;
  background: var(--color-cyan);
  box-shadow: 0 0 10px var(--color-cyan);
}

.page-news .tech-line {
  position: absolute;
  display: block;
}

.page-news .tech-line--v {
  width: 80px;
  height: 1px;
  top: 18%;
  right: 22%;
  background: linear-gradient(90deg, transparent, var(--color-secondary));
  transform: rotate(30deg);
}

.page-news .tech-line--h {
  width: 1px;
  height: 60px;
  bottom: 16%;
  right: 18%;
  background: linear-gradient(180deg, transparent, rgba(0, 212, 255, 0.6));
}

.page-news .news-updates {
  padding: var(--space-xxl) 0;
}

.page-news .section-label {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.page-news .section-label__num {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.page-news .section-label__text {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-primary);
  margin: 0;
}

.page-news .news-updates__rail {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) var(--color-border);
}

.page-news .rail-card {
  flex: 0 0 160px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-md);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  text-decoration: none;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.page-news .rail-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.page-news .rail-card__icon {
  font-size: 24px;
  line-height: 1;
  color: var(--color-accent);
}

.page-news .rail-card--update .rail-card__icon { color: var(--color-accent); }
.page-news .rail-card--season .rail-card__icon { color: var(--color-gold); }
.page-news .rail-card--feature .rail-card__icon { color: var(--color-cyan); }
.page-news .rail-card--notice .rail-card__icon { color: var(--color-rose); }

.page-news .rail-card__label {
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--color-primary);
  margin-top: var(--space-sm);
}

.page-news .rail-card__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-secondary);
  margin-top: var(--space-xs);
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.page-news .filter-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-news .filter-label {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-primary);
  cursor: pointer;
  transition: var(--transition-fast);
  user-select: none;
}

.page-news .filter-input:checked + .filter-label {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 0 12px rgba(255, 107, 0, 0.3);
}

.page-news .filter-input:focus-visible + .filter-label {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

.page-news .news-timeline {
  position: relative;
}

.page-news .news-timeline__items {
  border-left: var(--news-timeline-width) solid var(--color-border);
  padding-left: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.page-news .news-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--news-card-radius);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.page-news .news-card::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-lg) - 7px);
  top: 28px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-bg-light);
  border: 3px solid var(--color-accent);
  z-index: 1;
}

.page-news .news-card:nth-child(even) {
  transform: rotate(0.4deg);
}

.page-news .news-card:nth-child(odd) {
  transform: rotate(-0.4deg);
}

.page-news .news-card:hover {
  transform: rotate(0deg) translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  z-index: 2;
}

.page-news .news-card__summary {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
  cursor: pointer;
  list-style: none;
}

.page-news .news-card__summary::-webkit-details-marker {
  display: none;
}

.page-news .news-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.page-news .news-card__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.page-news .tag--feature {
  background: rgba(0, 212, 255, 0.12);
  color: var(--color-cyan);
}

.page-news .tag--season {
  background: rgba(255, 215, 0, 0.12);
  color: var(--color-gold);
}

.page-news .tag--update {
  background: rgba(255, 107, 0, 0.12);
  color: var(--color-accent);
}

.page-news .tag--notice {
  background: rgba(255, 59, 92, 0.12);
  color: var(--color-rose);
}

.page-news .news-card__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-secondary);
}

.page-news .news-card__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.page-news .news-card__title {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--color-primary);
  line-height: 1.3;
}

.page-news .news-card__excerpt {
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
  margin: 0;
}

.page-news .news-card__toggle {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.page-news .news-card__detail {
  padding: 0 var(--space-lg) var(--space-lg);
  border-top: 1px dashed var(--color-border);
  padding-top: var(--space-md);
}

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

.page-news .news-card[open] .toggle-icon {
  transform: rotate(45deg);
}

.page-news .toggle-icon {
  display: inline-block;
  transition: transform var(--transition-fast);
  font-size: 16px;
  line-height: 1;
}

.page-news .news-card[open] .news-card__toggle {
  color: var(--color-primary);
}

.page-news .news-loadmore {
  margin-top: var(--space-lg);
  border-left: var(--news-timeline-width) solid var(--color-border);
  padding-left: var(--space-lg);
}

.page-news .news-loadmore > summary {
  cursor: pointer;
  list-style: none;
  display: inline-block;
}

.page-news .news-loadmore > summary::-webkit-details-marker {
  display: none;
}

.page-news .news-loadmore__content {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.page-news .news-feature {
  padding: var(--space-xxl) 0;
}

.page-news .feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.page-news .feature-visual img {
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  width: 100%;
  height: auto;
}

.page-news .feature-timeline {
  position: relative;
  padding-left: var(--space-lg);
  border-left: 2px solid var(--color-border);
}

.page-news .feature-item {
  position: relative;
  margin-bottom: var(--space-lg);
}

.page-news .feature-item:last-child {
  margin-bottom: 0;
}

.page-news .feature-item__marker {
  position: absolute;
  left: calc(-1 * var(--space-lg) - 7px);
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg-light);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.page-news .feature-item__title {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--color-primary);
  margin: 0 0 var(--space-xs);
}

.page-news .feature-item__desc {
  margin: 0;
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
}

.page-news .news-season {
  padding: var(--space-xxl) 0;
}

.page-news .season-timeline-svg {
  margin-bottom: var(--space-xl);
  overflow: hidden;
  border-radius: 8px;
  background: var(--color-bg-light);
  padding: var(--space-md) 0;
}

.page-news .season-timeline-svg svg {
  display: block;
  height: auto;
  max-width: 100%;
}

.page-news .season-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: var(--color-primary) !important;
  color: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0, 212, 255, 0.2);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.08), var(--shadow-card-hover);
}

.page-news .season-feature__content {
  padding: var(--space-xl);
}

.page-news .season-feature__intro {
  font-family: var(--font-mono);
  color: var(--color-cyan);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-news .season-feature__title {
  font-family: var(--font-heading);
  font-size: 24px;
  margin: var(--space-sm) 0;
  color: var(--color-white);
}

.page-news .season-feature__desc {
  color: var(--color-secondary);
  line-height: 1.7;
  margin: 0 0 var(--space-lg);
}

.page-news .season-feature__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
}

.page-news .season-feature__stats li {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-secondary);
  display: flex;
  flex-direction: column;
}

.page-news .season-feature__stats .stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.page-news .season-feature__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.page-news .season-feature__visual {
  min-height: 200px;
}

.page-news .season-feature__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .season-rules {
  margin-top: var(--space-xl);
}

.page-news .season-rules__heading {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-primary);
  margin: 0 0 var(--space-lg);
}

.page-news .season-rule-item {
  padding: var(--space-lg);
  transition: var(--transition-base);
}

.page-news .season-rule-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.page-news .season-rule-item__code {
  font-family: var(--font-heading);
  font-size: 12px;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.page-news .season-rule-item h4 {
  font-size: 16px;
  color: var(--color-primary);
  margin: var(--space-sm) 0;
}

.page-news .season-rule-item p {
  margin: 0;
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
}

.page-news .news-feedback {
  padding: var(--space-xxl) 0;
}

.page-news .feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.page-news .feedback-report img {
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  width: 100%;
  height: auto;
}

.page-news .feedback-report__caption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-secondary);
  text-align: center;
  margin-top: var(--space-sm);
}

.page-news .feedback-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.page-news .feedback-item {
  padding: var(--space-md);
  border-left: 4px solid var(--color-accent);
  transition: var(--transition-base);
}

.page-news .feedback-item:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateX(4px);
}

.page-news .feedback-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.page-news .feedback-item__category {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 500;
}

.page-news .feedback-item__status {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 2px;
  font-family: var(--font-mono);
}

.page-news .status--resolved {
  background: rgba(0, 212, 255, 0.12);
  color: var(--color-cyan);
}

.page-news .status--progress {
  background: rgba(255, 215, 0, 0.12);
  color: var(--color-gold);
}

.page-news .feedback-item__desc {
  margin: 0;
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
}

.page-news .feedback-more {
  display: inline-block;
  margin-top: var(--space-md);
  align-self: flex-start;
}

.page-news .news-cta {
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

.page-news .news-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

.page-news .news-cta__inner {
  position: relative;
  z-index: 1;
  padding: var(--space-xxl) 0;
  text-align: center;
}

.page-news .news-cta__title {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 24px;
  margin: 0 0 var(--space-sm);
}

.page-news .news-cta__desc {
  color: var(--color-secondary);
  margin: 0 0 var(--space-lg);
}

.page-news .filter-input#filter-update:checked ~ .news-timeline__items .news-card:not([data-category="update"]),
.page-news .filter-input#filter-season:checked ~ .news-timeline__items .news-card:not([data-category="season"]),
.page-news .filter-input#filter-feature:checked ~ .news-timeline__items .news-card:not([data-category="feature"]),
.page-news .filter-input#filter-notice:checked ~ .news-timeline__items .news-card:not([data-category="notice"]) {
  display: none;
}

@media (min-width: 768px) {
  .page-news .news-hero__title {
    font-size: 44px;
  }

  .page-news .news-hero__desc {
    font-size: 16px;
  }

  .page-news .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .season-feature {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .season-feature__visual {
    height: 100%;
  }

  .page-news .feedback-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-card__summary {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-news .news-card__text {
    flex: 1;
  }

  .page-news .rail-card {
    flex-basis: 180px;
  }
}

@media (min-width: 1024px) {
  .page-news .season-feature__content {
    padding: var(--space-xxl);
  }

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