.page-news {
  --news-max: 1200px;
  --news-gap: 1rem;
  --news-radius: 18px;
  --news-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  background:
    linear-gradient(180deg, rgba(0, 194, 255, 0.05), transparent 360px),
    var(--bg-deep);
}

.page-news .news-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  max-width: var(--news-max);
  margin: 0 auto;
  padding: 1.25rem var(--space-page) 0;
  font-size: 0.875rem;
  color: var(--text-dim);
}

.page-news .news-breadcrumb a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 194, 255, 0.35);
  transition: border-color 0.25s ease;
}

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

.page-news .crumb-sep {
  color: rgba(245, 248, 255, 0.25);
}

.page-news .news-hero {
  display: grid;
  gap: 1.5rem;
  max-width: var(--news-max);
  margin: 0 auto;
  padding: 2rem var(--space-page) 2.5rem;
}

.page-news .hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.page-news .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--text-border);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--lime);
  background: rgba(212, 255, 0, 0.06);
}

.page-news .news-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 5vw, 3rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin: 0;
  max-width: 16em;
}

.page-news .hero-lead {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-dim);
  max-width: 38em;
  margin: 0;
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-news .hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  width: 100%;
  max-width: 560px;
  margin-top: 0.25rem;
}

.page-news .hero-meta .data-panel {
  background: var(--bg-card-grad);
  border: 1px solid var(--text-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  box-shadow: var(--news-shadow);
}

.page-news .hero-meta .panel-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-news .hero-meta .panel-value {
  font-family: var(--font-data);
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--blue);
  line-height: 1;
}

.page-news .hero-meta .panel-value:last-of-type {
  color: var(--lime);
}

.page-news .hero-meta .panel-meta {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.page-news .hero-media {
  position: relative;
  border-radius: var(--news-radius);
  overflow: hidden;
  border: 1px solid var(--text-border);
  box-shadow: var(--news-shadow);
  clip-path: polygon(0 0, 100% 3%, 100% 97%, 0 100%);
}

.page-news .hero-media img,
.page-news .featured-media img,
.page-news .season-band img,
.page-news .side-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-section {
  max-width: var(--news-max);
  margin: 0 auto;
  padding: 3rem var(--space-page) 2rem;
}

.page-news .section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.page-news .heading-left {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
}

.page-news .section-index {
  font-family: var(--font-data);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.05em;
}

.page-news .section-heading h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin: 0;
}

.page-news .heading-note {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin: 0;
  padding-left: 0;
}

.page-news .announcement-layout {
  display: grid;
  gap: 1.25rem;
}

.page-news .announcement-side {
  display: none;
}

.page-news .announcement-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.page-news .announce-item {
  position: relative;
  background: var(--bg-card-grad);
  border: 1px solid var(--text-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-news .announce-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--blue);
  opacity: 0.75;
}

.page-news .announce-item.tag-download::before { background: var(--lime); }
.page-news .announce-item.tag-version::before { background: var(--lime); }
.page-news .announce-item.tag-interface::before { background: var(--blue); }
.page-news .announce-item.tag-data::before { background: var(--green); }
.page-news .announce-item.tag-brand::before { background: var(--orange); }

.page-news .announce-item:hover {
  border-color: rgba(0, 194, 255, 0.45);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
}

.page-news .expand-trigger {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
}

.page-news .announce-item.is-open .expand-trigger {
  padding-bottom: 0.5rem;
}

.page-news .announce-tag {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: rgba(0, 194, 255, 0.12);
  color: var(--blue);
  border: 1px solid rgba(0, 194, 255, 0.3);
}

.page-news .tag-download {
  background: rgba(212, 255, 0, 0.10);
  color: var(--lime);
  border-color: rgba(212, 255, 0, 0.3);
}

.page-news .tag-version {
  background: rgba(0, 194, 255, 0.08);
  color: var(--blue);
  border-color: rgba(0, 194, 255, 0.22);
}

.page-news .tag-interface {
  background: rgba(138, 148, 166, 0.12);
  color: var(--text-dim);
  border-color: rgba(138, 148, 166, 0.28);
}

.page-news .tag-data {
  background: rgba(0, 230, 118, 0.10);
  color: var(--green);
  border-color: rgba(0, 230, 118, 0.28);
}

.page-news .tag-brand {
  background: rgba(255, 75, 43, 0.10);
  color: var(--orange);
  border-color: rgba(255, 75, 43, 0.28);
}

.page-news .expand-trigger h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text-main);
  margin: 0;
  padding-right: 1.5rem;
}

.page-news .expand-mark {
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--text-border);
  background: rgba(245, 248, 255, 0.04);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.page-news .expand-mark::before,
.page-news .expand-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  background: var(--blue);
  transition: background 0.3s ease;
}

.page-news .expand-mark::before {
  width: 10px;
  height: 2px;
}

.page-news .expand-mark::after {
  width: 2px;
  height: 10px;
}

.page-news .announce-item.is-open .expand-mark,
.page-news .feature-card.is-open .expand-mark {
  transform: rotate(45deg);
  border-color: rgba(212, 255, 0, 0.5);
  background: rgba(212, 255, 0, 0.08);
}

.page-news .announce-item.is-open .expand-mark::before,
.page-news .announce-item.is-open .expand-mark::after,
.page-news .feature-card.is-open .expand-mark::before,
.page-news .feature-card.is-open .expand-mark::after {
  background: var(--lime);
}

.page-news .expand-content {
  padding: 0 1.1rem 1.1rem;
}

.page-news .expand-content p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-dim);
  margin: 0 0 0.6rem;
}

.page-news .expand-content p:last-child {
  margin-bottom: 0;
}

.page-news .item-link {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 194, 255, 0.35);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-news .item-link:hover {
  color: var(--lime);
  border-color: rgba(212, 255, 0, 0.5);
}

.page-news .featured-section .section-heading {
  margin-bottom: 1.5rem;
}

.page-news .featured-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--text-border);
  box-shadow: var(--news-shadow);
  margin-bottom: 1.5rem;
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

.page-news .featured-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-news .feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card-grad);
  border: 1px solid var(--text-border);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.15rem;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-news .feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--blue);
  opacity: 0.7;
}

.page-news .feature-card:nth-child(3n+2)::before {
  background: var(--lime);
}

.page-news .feature-card:nth-child(3n+3)::before {
  background: var(--orange);
}

.page-news .feature-card:hover {
  transform: rotate(-1deg) translateY(-4px);
  border-color: rgba(0, 194, 255, 0.5);
  box-shadow: var(--news-shadow);
}

.page-news .feature-card .expand-trigger {
  padding: 0;
}

.page-news .feature-tag {
  display: inline-block;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: rgba(0, 194, 255, 0.10);
  color: var(--blue);
  border: 1px solid rgba(0, 194, 255, 0.25);
}

.page-news .feature-card:nth-child(3n+2) .feature-tag {
  background: rgba(212, 255, 0, 0.08);
  color: var(--lime);
  border-color: rgba(212, 255, 0, 0.25);
}

.page-news .feature-card:nth-child(3n+3) .feature-tag {
  background: rgba(255, 75, 43, 0.08);
  color: var(--orange);
  border-color: rgba(255, 75, 43, 0.25);
}

.page-news .feature-card .expand-trigger h3 {
  font-size: 1.05rem;
  line-height: 1.35;
  padding-right: 1.25rem;
}

.page-news .feature-card .expand-content {
  padding: 0.7rem 0 0;
}

.page-news .feature-card .expand-content p {
  font-size: 0.9rem;
}

.page-news .season-section .section-heading {
  margin-bottom: 1.5rem;
}

.page-news .season-band {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--text-border);
  box-shadow: var(--news-shadow);
  margin-bottom: 1.5rem;
}

.page-news .season-band img {
  width: 100%;
  height: auto;
}

.page-news .season-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-news .season-stage {
  position: relative;
  background: var(--bg-card-grad);
  border: 1px solid var(--text-border);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.15rem;
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.page-news .season-stage::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 72px;
  height: 72px;
  background: radial-gradient(circle at bottom right, rgba(0, 194, 255, 0.16), transparent 70%);
  pointer-events: none;
}

.page-news .season-stage:hover {
  border-color: rgba(212, 255, 0, 0.35);
  transform: translateY(-3px);
  box-shadow: var(--news-shadow);
}

.page-news .stage-head {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  margin-bottom: 0.35rem;
}

.page-news .stage-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.04em;
}

.page-news .stage-head h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
}

.page-news .stage-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 0 0 0.7rem;
}

.page-news .stage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.page-news .stage-list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: rgba(245, 248, 255, 0.78);
}

.page-news .stage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
}

.page-news .season-stage:nth-child(2) .stage-list li::before { background: var(--lime); }
.page-news .season-stage:nth-child(3) .stage-list li::before { background: var(--orange); }
.page-news .season-stage:nth-child(4) .stage-list li::before { background: var(--green); }

@media (min-width: 768px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    gap: 2rem;
    padding-top: 3rem;
    padding-bottom: 3.5rem;
  }

  .page-news .hero-media {
    order: 2;
  }

  .page-news .section-heading {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 2rem;
  }

  .page-news .heading-note {
    text-align: right;
    padding-left: 1rem;
  }

  .page-news .announcement-layout {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    gap: 1.5rem;
  }

  .page-news .announcement-side {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    align-self: start;
    position: sticky;
    top: 1.5rem;
  }

  .page-news .side-media {
    border-radius: var(--radius-md);
    border: 1px solid var(--text-border);
    background: var(--bg-card-grad);
    padding: 0.6rem;
  }

  .page-news .side-note {
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--text-dim);
    margin: 0;
  }

  .page-news .side-note strong {
    color: var(--blue);
    font-weight: 700;
  }

  .page-news .featured-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
  }

  .page-news .season-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
  }

  .page-news .expand-trigger {
    padding: 1.1rem 1.25rem;
  }

  .page-news .expand-trigger h3 {
    font-size: 1.05rem;
  }
}

@media (min-width: 1100px) {
  .page-news .featured-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .season-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .season-band {
    margin-bottom: 2rem;
  }
}