.page-news {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Hero */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 126px 0 40px;
  background:
    linear-gradient(115deg, rgba(0, 180, 216, 0.14) 0%, transparent 26%),
    linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
  border-bottom: 1px solid rgba(0, 229, 255, 0.18);
}

.page-news .news-hero-inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero .breadcrumb {
  margin-bottom: 24px;
}

.page-news .hero-kicker {
  margin-bottom: 10px;
}

.page-news .hero-title {
  font-family: var(--font-headline);
  font-size: clamp(3rem, 9vw, 6rem);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 4px 0 20px;
}

.page-news .hero-lead {
  max-width: 720px;
  color: var(--color-text-secondary);
  font-size: 1.06rem;
  line-height: 1.75;
  margin-bottom: 28px;
}

.page-news .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(176, 196, 222, 0.22);
}

.page-news .hero-meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.page-news .hero-num {
  font-family: var(--font-headline);
  font-size: 2rem;
  line-height: 1;
  font-weight: 700;
  color: var(--color-accent);
}

.page-news .hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* Section headings */
.page-news .section-kicker {
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-news .section-title {
  font-family: var(--font-headline);
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  margin: 6px 0 12px;
}

.page-news .section-lead {
  max-width: 660px;
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

/* Stream section */
.page-news .stream-section {
  padding: 28px 0 64px;
  background: var(--color-primary);
  scroll-margin-top: 70px;
}

.page-news .stream-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.page-news .stream-title {
  font-family: var(--font-headline);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1;
  color: var(--color-white);
}

.page-news .stream-desc {
  max-width: 720px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.page-news .stream-layout {
  display: grid;
  gap: 28px;
  align-items: start;
}

/* Filter panel */
.page-news .filter-panel {
  padding: 18px 16px;
  border: 1px solid rgba(176, 196, 222, 0.18);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}

.page-news .filter-label {
  margin-bottom: 12px;
  color: var(--color-text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-news .filter-nav {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-news .filter-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid rgba(176, 196, 222, 0.3);
  border-radius: 999px;
  background: transparent;
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    border-color var(--transition-fast),
    color var(--transition-fast),
    background var(--transition-fast);
}

.page-news .filter-chip:hover,
.page-news .filter-chip:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(255, 107, 0, 0.08);
}

.page-news .chip-count {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255, 107, 0, 0.16);
  color: var(--color-accent);
}

.page-news .filter-tip {
  margin-top: 14px;
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  line-height: 1.55;
}

/* Stream main */
.page-news .stream-main {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.page-news .stream-banner-frame {
  border: 1px solid rgba(176, 196, 222, 0.14);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.page-news .stream-banner-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .filter-group {
  display: flex;
  flex-direction: column;
  gap: 18px;
  scroll-margin-top: 96px;
}

.page-news .group-title {
  width: 100%;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(0, 229, 255, 0.2);
  color: var(--color-tertiary);
  font-family: var(--font-headline);
  font-size: 1.45rem;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-transform: uppercase;
}

/* Update cards */
.page-news .update-card {
  --card-border: 1px solid rgba(176, 196, 222, 0.16);
  position: relative;
  padding: 18px 20px 16px;
  border: var(--card-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
  transition:
    transform var(--transition-normal),
    border-color var(--transition-normal),
    background var(--transition-normal);
}

.page-news .update-card--important {
  --card-border: 2px solid var(--color-accent);
  border: var(--card-border);
  background: rgba(255, 107, 0, 0.06);
}

.page-news .update-card:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.06);
}

.page-news .update-card--important:hover {
  background: rgba(255, 107, 0, 0.09);
}

.page-news .update-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.page-news .update-time {
  color: var(--color-text-secondary);
  font-size: 0.8rem;
}

.page-news .update-title {
  margin-bottom: 6px;
  color: var(--color-white);
  font-family: var(--font-headline);
  font-size: 1.2rem;
  line-height: 1.25;
  font-weight: 600;
}

.page-news .update-summary {
  margin-bottom: 0;
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-news .update-detail {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(176, 196, 222, 0.14);
}

.page-news .update-detail summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: var(--color-tertiary);
  font-size: 0.86rem;
  font-weight: 700;
  user-select: none;
  list-style: none;
}

.page-news .update-detail summary::-webkit-details-marker {
  display: none;
}

.page-news .update-detail summary::before {
  content: "+";
  display: inline-block;
  width: 20px;
  height: 20px;
  line-height: 18px;
  text-align: center;
  border: 1px solid var(--color-tertiary);
  border-radius: 50%;
  color: var(--color-tertiary);
  font-size: 0.9rem;
  font-weight: 700;
  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast);
}

.page-news .update-detail[open] summary::before {
  content: "−";
  background: var(--color-tertiary);
  color: var(--color-primary);
}

.page-news .update-full {
  padding-top: 8px;
}

.page-news .update-full p {
  margin-bottom: 10px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-news .update-full p:last-child {
  margin-bottom: 0;
}

.page-news .update-full a,
.page-news .map-desc a {
  color: var(--color-accent-light);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Season section */
.page-news .season-section {
  padding: 64px 0;
  background: var(--color-light-bg);
  color: var(--color-primary);
}

.page-news .season-section .section-title {
  color: var(--color-primary);
}

.page-news .season-section .section-lead {
  color: rgba(10, 25, 47, 0.78);
}

.page-news .season-section .section-kicker {
  color: var(--color-accent);
}

.page-news .season-layout {
  display: grid;
  gap: 28px;
  align-items: start;
  margin-top: 28px;
}

.page-news .season-image-frame {
  border: 2px solid var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-primary);
  box-shadow: var(--shadow-card);
}

.page-news .season-image-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-news .season-list {
  display: grid;
  gap: 18px;
}

.page-news .season-topic {
  padding: 26px 28px 22px;
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.page-news .season-topic:nth-child(2) {
  border-top-color: var(--color-secondary);
}

.page-news .season-topic:nth-child(3) {
  border-top-color: var(--color-tertiary);
}

.page-news .season-num {
  display: block;
  font-family: var(--font-headline);
  font-size: 2.6rem;
  line-height: 1;
  font-weight: 700;
  color: var(--color-accent);
}

.page-news .season-topic:nth-child(2) .season-num {
  color: var(--color-secondary);
}

.page-news .season-topic:nth-child(3) .season-num {
  color: var(--color-tertiary);
}

.page-news .season-topic h3 {
  margin: 10px 0 8px;
  color: var(--color-primary);
  font-family: var(--font-headline);
  font-size: 1.6rem;
  line-height: 1.2;
}

.page-news .season-topic p {
  margin-bottom: 12px;
  color: rgba(10, 25, 47, 0.78);
  font-size: 0.94rem;
  line-height: 1.7;
}

.page-news .text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-news .text-link::after {
  content: "→";
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.page-news .text-link:hover::after {
  transform: translateX(4px);
}

/* Guide section */
.page-news .guide-section {
  padding: 64px 0;
  background:
    linear-gradient(120deg, rgba(0, 180, 216, 0.08) 0%, transparent 45%),
    var(--color-primary);
  color: var(--color-white);
}

.page-news .guide-section .section-lead {
  color: var(--color-text-secondary);
}

.page-news .guide-layout {
  display: grid;
  gap: 28px;
  align-items: center;
  margin-top: 28px;
}

.page-news .guide-layout > img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid rgba(176, 196, 222, 0.18);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-strong);
}

.page-news .guide-map {
  display: grid;
  gap: 14px;
}

.page-news .guide-map-item {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 12px 14px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid rgba(176, 196, 222, 0.18);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.page-news .map-origin {
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
}

.page-news .map-arrow {
  color: var(--color-tertiary);
  font-size: 1rem;
  font-weight: 700;
}

.page-news .map-target {
  color: var(--color-white);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-news .map-desc {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.86rem;
  line-height: 1.6;
}

.page-news .guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

/* Remind section */
.page-news .remind-section {
  padding: 64px 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(0, 229, 255, 0.12) 0%, transparent 32%),
    linear-gradient(145deg, var(--color-primary) 0%, #071b33 100%);
  color: var(--color-white);
}

.page-news .remind-section .section-lead {
  color: var(--color-text-secondary);
}

.page-news .remind-layout {
  display: grid;
  gap: 28px;
  align-items: center;
  margin-top: 28px;
}

.page-news .remind-image-col {
  border: 1px solid rgba(176, 196, 222, 0.16);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-strong);
  justify-self: start;
}

.page-news .remind-image-col img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .remind-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .remind-item {
  padding: 16px 18px;
  border: 1px solid rgba(176, 196, 222, 0.18);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.045);
}

.page-news .remind-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  list-style: none;
  user-select: none;
}

.page-news .remind-item summary::-webkit-details-marker {
  display: none;
}

.page-news .remind-item summary::after {
  content: "+";
  display: inline-block;
  width: 22px;
  height: 22px;
  line-height: 20px;
  text-align: center;
  border: 1px solid var(--color-tertiary);
  border-radius: 50%;
  color: var(--color-tertiary);
  font-size: 0.9rem;
  font-weight: 700;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.page-news .remind-item[open] summary::after {
  content: "−";
  background: var(--color-tertiary);
  color: var(--color-primary);
}

.page-news .remind-item div {
  padding-top: 10px;
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-news .remind-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* Tablet and desktop */
@media (min-width: 720px) {
  .page-news .news-hero {
    padding: 140px 0 56px;
  }

  .page-news .hero-meta {
    gap: 16px 40px;
  }

  .page-news .stream-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    column-gap: 32px;
  }

  .page-news .filter-nav {
    flex-wrap: wrap;
    overflow: visible;
  }

  .page-news .season-layout {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
  }

  .page-news .guide-layout {
    grid-template-columns: 0.95fr 1.05fr;
  }

  .page-news .remind-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-news .stream-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    column-gap: 48px;
  }

  .page-news .filter-panel {
    position: sticky;
    top: 96px;
  }

  .page-news .stream-main {
    padding-left: 34px;
    border-left: 2px dashed rgba(0, 180, 216, 0.28);
  }

  .page-news .filter-group {
    gap: 16px;
  }

  .page-news .update-card::before {
    content: "";
    position: absolute;
    left: -40px;
    top: 18px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.75);
  }

  .page-news .update-card--important::before {
    background: var(--color-tertiary);
    box-shadow: 0 0 0 3px var(--color-accent);
  }
}