.page-news {
  --news-num-font: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --news-section-space: 4rem;
  --news-bg-card: #112240;
  --news-bg-mid: #0F2A43;
  --news-border: #233554;
  --news-accent: #39FF14;
  --news-orange: #FF6B35;
  --news-cyan: #0BC5EA;
  position: relative;
}

.page-news .news-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 1.25rem 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}
.page-news .news-breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.18s ease;
}
.page-news .news-breadcrumb a:hover {
  color: var(--accent-green);
}
.page-news .news-breadcrumb__sep {
  color: var(--border-line);
}

.page-news .news-hero {
  position: relative;
  margin: 1rem 1.25rem 2.5rem;
  padding: 1.75rem 1.25rem 2.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  overflow: hidden;
}
.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-green);
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42%;
  height: 8px;
  background: repeating-linear-gradient(
    -45deg,
    transparent 0,
    transparent 6px,
    var(--border-line) 6px,
    var(--border-line) 8px
  );
}
.page-news .news-hero__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.page-news .news-hero__ticker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-line);
  padding: 0.2rem 0.6rem;
}
.page-news .news-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5.5vw, 2.75rem);
  line-height: 1.12;
  color: var(--text-light);
  margin: 0.8rem 0 0.75rem;
  max-width: 680px;
}
.page-news .news-hero__lead {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0;
}

.page-news .news-layout {
  padding: 0 1.25rem 3rem;
}

.page-news .toc-side {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2.25rem;
  padding: 0.9rem 1rem;
  background: var(--bg-mid);
  border-left: 2px solid var(--accent-green);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-news .toc-side > .data-label {
  flex-shrink: 0;
  line-height: 2.2;
}
.page-news .toc-side__nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
}
.page-news .toc-side__link {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.page-news .toc-side__link:hover {
  color: var(--text-light);
  border-color: var(--border-line);
}
.page-news .toc-side__link[data-active] {
  color: var(--accent-green);
  border-color: var(--accent-green);
  background: rgba(57, 255, 20, 0.06);
}
.page-news .toc-side__meta {
  display: none;
}

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

.page-news .news-section {
  padding-bottom: var(--news-section-space);
  margin-bottom: var(--news-section-space);
  border-bottom: 1px solid var(--border-line);
}
.page-news .news-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.page-news .news-section__head {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}
.page-news .news-section__num {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-green);
}
.page-news .news-section__head h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  line-height: 1.2;
  color: var(--text-light);
  margin: 0 0 0.3rem;
}
.page-news .news-section__head p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.page-news .news-list {
  display: grid;
  gap: 0.75rem;
}

.page-news .news-card {
  display: flex;
  gap: 0.9rem;
  padding: 1.15rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  transition: border-color 0.18s ease, background 0.18s ease;
}
.page-news .news-card:hover {
  border-color: var(--accent-green);
  background: var(--bg-surface);
}
.page-news .news-card__index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.page-news .news-card__main {
  flex: 1;
  min-width: 0;
}
.page-news .news-card__meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}
.page-news .news-card__tag {
  display: inline-block;
  padding: 0.12rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  border: 1px solid;
  letter-spacing: 0.05em;
}
.page-news .news-card__tag--notice {
  color: var(--accent-orange);
  border-color: var(--accent-orange);
}
.page-news .news-card__tag--feature {
  color: var(--data-cyan);
  border-color: var(--data-cyan);
}
.page-news .news-card__tag--data {
  color: var(--accent-green);
  border-color: var(--accent-green);
}
.page-news .news-card__date {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}
.page-news .news-card__main h3 {
  font-size: 1rem;
  line-height: 1.4;
  color: var(--text-light);
  margin: 0 0 0.45rem;
}
.page-news .news-card__main p {
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0 0 0.7rem;
}
.page-news .news-card__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-green);
  text-decoration: none;
}
.page-news .news-card__link:hover {
  text-decoration: underline;
}

.page-news .news-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0 0.75rem;
  border: 1px solid var(--border-line);
  object-fit: cover;
}
.page-news .news-image--wide {
  aspect-ratio: 800 / 500;
}
.page-news .news-image--portrait {
  aspect-ratio: 400 / 800;
  max-width: 320px;
  margin-left: auto;
  margin-right: 0;
}

.page-news .season-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  padding: 1.1rem;
}
.page-news .season-panel__intro {
  padding: 0.35rem 0 0.75rem;
}
.page-news .season-panel__intro h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--text-light);
  margin: 0.45rem 0 0.4rem;
}
.page-news .season-panel__intro p {
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}
.page-news .season-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
  margin: 1rem 0 0.25rem;
}
.page-news .season-card {
  display: block;
  text-decoration: none;
  padding: 0.95rem 0.9rem;
  background: var(--bg-mid);
  border-left: 2px solid var(--accent-green);
  transition: background 0.18s ease, border-color 0.18s ease;
}
.page-news .season-card:hover {
  background: var(--bg-surface);
  border-color: var(--accent-orange);
}
.page-news .season-card__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent-green);
  margin-bottom: 0.3rem;
}
.page-news .season-card h4 {
  font-size: 1rem;
  color: var(--text-light);
  margin: 0 0 0.2rem;
}
.page-news .season-card p {
  font-size: 0.76rem;
  color: var(--text-secondary);
  margin: 0;
}
.page-news .season-card__count {
  display: inline-block;
  margin-top: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--data-cyan);
}

.page-news .guide-layout {
  display: grid;
  gap: 1.25rem;
}
.page-news .guide-list {
  display: grid;
  gap: 0.75rem;
}
.page-news .guide-item {
  display: flex;
  gap: 0.95rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-line);
  position: relative;
}
.page-news .guide-item::before {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-green);
  transition: width 0.32s ease;
}
.page-news .guide-item:hover::before {
  width: 100%;
}
.page-news .guide-item__step {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1.2;
}
.page-news .guide-item__body h3 {
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--text-light);
  margin: 0 0 0.3rem;
}
.page-news .guide-item__body p {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.page-news .archive-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  padding: 1.1rem;
}
.page-news .archive-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
  margin-bottom: 1.1rem;
}
.page-news .archive-stats .stat-card {
  padding: 0.95rem 1rem;
  background: var(--bg-mid);
  border-left: 3px solid var(--accent-green);
  text-align: left;
}
.page-news .archive-stats .stat-card__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.1;
}
.page-news .archive-stats .stat-card__label {
  display: block;
  font-size: 0.74rem;
  color: var(--text-secondary);
  margin-top: 0.28rem;
}
.page-news .archive-note {
  padding: 0.5rem 0 0;
}
.page-news .archive-note p {
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0 0 1rem;
}
.page-news .archive-note__link {
  display: inline-block;
  margin-right: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-green);
  text-decoration: none;
}
.page-news .archive-note__link:hover {
  text-decoration: underline;
}

.page-news .tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0 0 1.5rem;
}
.page-news .tag-filter__btn {
  background: transparent;
  border: 1px solid var(--border-line);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.4;
  padding: 0.32rem 0.85rem;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}
.page-news .tag-filter__btn:hover {
  border-color: var(--accent-green);
  color: var(--text-light);
}
.page-news .tag-filter__btn.is-active {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: var(--bg-deep);
  font-weight: 700;
}
.page-news .filterable-card[data-hidden] {
  display: none;
}

@media (min-width: 48rem) {
  .page-news .news-breadcrumb {
    padding: 1.5rem 2rem 0;
    max-width: var(--container-width);
    margin: 0 auto;
  }
  .page-news .news-hero {
    margin: 1.5rem 2rem 3rem;
    padding: 3rem 2.75rem 3.25rem;
    max-width: calc(var(--container-width) - 4rem);
    margin-left: auto;
    margin-right: auto;
  }
  .page-news .news-layout {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem 4.5rem;
  }
  .page-news .news-section__head h2 {
    font-size: 1.8rem;
  }
  .page-news .news-section__num {
    font-size: 2.4rem;
  }
  .page-news .season-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-news .archive-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-news .news-card {
    padding: 1.35rem 1.6rem;
  }
  .page-news .news-card__main h3 {
    font-size: 1.08rem;
  }
  .page-news .news-card__main p {
    font-size: 0.88rem;
  }
}

@media (min-width: 64rem) {
  .page-news .news-layout {
    display: grid;
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: 3.5rem;
  }
  .page-news .toc-side {
    position: sticky;
    top: calc(var(--header-h) + 1.75rem);
    align-self: start;
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
    overflow: visible;
    margin-bottom: 0;
    padding: 0;
    background: transparent;
    border-left: none;
  }
  .page-news .toc-side > .data-label {
    line-height: 1.4;
    margin-bottom: 0.6rem;
  }
  .page-news .toc-side__nav {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
  }
  .page-news .toc-side__link {
    padding: 0.45rem 0.75rem;
    white-space: normal;
    border: none;
    border-left: 2px solid var(--border-line);
    border-radius: 0;
  }
  .page-news .toc-side__link:hover {
    border-color: var(--accent-green);
    background: transparent;
  }
  .page-news .toc-side__link[data-active] {
    background: transparent;
    border-color: var(--accent-green);
    padding-left: 0.85rem;
  }
  .page-news .toc-side__meta {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-line);
  }
  .page-news .toc-side__meta .toc-side__link {
    font-size: 0.74rem;
    color: var(--text-secondary);
    border-left-color: transparent;
  }
  .page-news .toc-side__meta .toc-side__link:hover {
    color: var(--accent-green);
  }
  .page-news .guide-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 2.5rem;
    align-items: start;
  }
  .page-news .news-image--portrait {
    max-width: 100%;
    margin-left: 0;
    position: sticky;
    top: calc(var(--header-h) + 1.75rem);
  }
  .page-news .season-grid {
    grid-template-columns: repeat(5, 1fr);
  }
  .page-news .season-panel {
    padding: 1.5rem;
  }
  .page-news .archive-panel {
    padding: 1.5rem;
  }
}