.page-news {
  --news-vertical-pad: clamp(4rem, 9vw, 7rem);
  --news-line: rgba(242, 201, 76, 0.16);
  --news-line-cool: rgba(255, 255, 255, 0.07);
  position: relative;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    var(--site-bg);
  background-size: 44px 44px;
  color: var(--text);
}

.page-news .news-shell {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
  padding-block: clamp(2rem, 6vw, 4.5rem);
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

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

.page-news .breadcrumb-sep {
  color: var(--gold);
}

.page-news .page-header {
  display: grid;
  gap: 2rem;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.page-news .page-header .section-label {
  margin-bottom: 1rem;
  color: var(--gold);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.page-news .page-title {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(2.4rem, 7vw, 5.5rem);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text);
}

.page-news .title-sub {
  display: block;
  margin-top: 0.35em;
  font-size: 0.5em;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: transparent;
  background: linear-gradient(100deg, var(--gold) 0%, var(--gold-deep) 55%, var(--cyan) 130%);
  -webkit-background-clip: text;
  background-clip: text;
}

.page-news .title-separator {
  display: block;
  width: 76px;
  height: 4px;
  margin: 1.1rem 0 0.4rem;
  background: linear-gradient(90deg, var(--gold), var(--gold-deep));
  border-radius: 2px;
}

.page-news .lead {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.85;
}

.page-news .journal-index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--news-line);
  border-bottom: 1px solid var(--news-line);
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .journal-index-item {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 1rem 0.75rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 600;
  border-right: 1px solid var(--news-line-cool);
  border-bottom: 1px solid var(--news-line-cool);
  transition: color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-news .journal-index-item:nth-child(2n) {
  border-right: 0;
}

.page-news .journal-index-item:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.page-news .journal-index-item:hover {
  color: var(--gold);
  background: rgba(242, 201, 76, 0.04);
}

.page-news .index-num {
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.page-news .section {
  margin-top: var(--news-vertical-pad);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-news .section-heading-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--news-line);
}

.page-news .section-title {
  margin: 0;
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-news .section-title::before {
  content: "";
  display: inline-block;
  width: 0.36em;
  height: 0.36em;
  margin-right: 0.6em;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  transform: rotate(45deg);
}

.page-news .section-note {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-news .tab {
  appearance: none;
  background: transparent;
  border: 1px solid var(--news-line-cool);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

.page-news .tab:hover {
  color: var(--text);
  border-color: var(--news-line);
}

.page-news .tab.is-active {
  color: #0a0a0f;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  border-color: transparent;
  box-shadow: 0 6px 24px rgba(242, 201, 76, 0.22);
}

.page-news .feature-article {
  display: grid;
  gap: 1.6rem;
  margin-bottom: 2.5rem;
}

.page-news .media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--news-line);
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

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

.page-news .feature-media {
  aspect-ratio: 16 / 9;
}

.page-news .feature-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.page-news .feature-kicker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
}

.page-news .feature-date {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.page-news .feature-title {
  margin: 0;
  font-size: clamp(1.7rem, 3.6vw, 3rem);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-news .feature-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

.page-news .feature-title a:hover {
  color: var(--gold);
}

.page-news .feature-summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.page-news .feature-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.page-news .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.8rem 1.5rem;
  text-decoration: none;
  transition: all 0.3s var(--ease);
}

.page-news .btn-primary {
  color: #0a0a0f;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  border: 1px solid transparent;
  box-shadow: 0 6px 24px rgba(242, 201, 76, 0.18);
}

.page-news .btn-primary:hover {
  box-shadow: 0 10px 34px rgba(242, 201, 76, 0.3);
  transform: translateY(-2px);
}

.page-news .btn-ghost {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--news-line);
}

.page-news .btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .news-filter-panels {
  display: grid;
  gap: 1rem;
}

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

.page-news .article-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  background: rgba(18, 18, 26, 0.6);
  border: 1px solid var(--news-line-cool);
  border-radius: var(--radius-s);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  animation: newsCardIn 0.6s var(--ease) both;
}

@keyframes newsCardIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-news .article-card:hover {
  border-color: var(--news-line);
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.4);
}

.page-news .article-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--news-line);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .tag-gold {
  color: var(--gold);
  border-color: rgba(242, 201, 76, 0.35);
  background: rgba(242, 201, 76, 0.06);
}

.page-news .article-card-index {
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.page-news .article-card-title {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .article-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

.page-news .article-card-title a:hover {
  color: var(--gold);
}

.page-news .article-card-excerpt {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-news .article-card-link {
  margin-top: auto;
  color: var(--gold);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: color 0.3s var(--ease);
}

.page-news .article-card:hover .article-card-link {
  color: var(--cyan);
}

.page-news .archive-layout {
  display: grid;
  gap: 2rem;
}

.page-news .archive-media {
  aspect-ratio: 2 / 1;
}

.page-news .timeline {
  position: relative;
  display: grid;
  gap: 1.25rem;
  padding-left: 1.75rem;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 1px;
  background: linear-gradient(var(--gold), var(--gold-deep), var(--news-line-cool));
}

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

.page-news .timeline-dot {
  position: absolute;
  left: -1.75rem;
  top: 0.75rem;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--site-bg);
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 5px rgba(242, 201, 76, 0.12);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-news .timeline-item:nth-child(even) .timeline-dot {
  border-color: var(--cyan);
  box-shadow: 0 0 0 5px rgba(0, 212, 255, 0.1);
}

.page-news .timeline-item:hover .timeline-dot {
  background: var(--gold);
  box-shadow: 0 0 0 7px rgba(242, 201, 76, 0.2);
}

.page-news .timeline-body {
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--news-line-cool);
  border-radius: var(--radius-s);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-news .timeline-item:hover .timeline-body {
  border-color: var(--news-line);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  transform: translateX(4px);
}

.page-news .timeline-body h3 {
  margin: 0 0 0.4rem;
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-news .timeline-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-news .notice-layout {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-news .notice-media {
  aspect-ratio: 4 / 3;
}

.page-news .notice-media::after {
  content: "精准度 99.2%";
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  padding: 0.55rem 1rem;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #0a0a0f;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  border-radius: var(--radius-s);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-news .notice-copy h3 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 2.8vw, 2.25rem);
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.page-news .notice-copy > p {
  margin: 0 0 1.5rem;
  color: var(--muted);
  line-height: 1.85;
}

.page-news .notice-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-news .notice-list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-news .notice-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
}

.page-news .notice-list strong {
  color: var(--text);
  font-weight: 700;
}

.page-news .series-layout {
  display: grid;
  gap: 1.5rem;
}

.page-news .series-cover {
  aspect-ratio: 4 / 3;
}

.page-news .series-list {
  display: grid;
  gap: 1rem;
}

.page-news .series-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.25rem;
  background: rgba(18, 18, 26, 0.5);
  border: 1px solid var(--news-line-cool);
  border-radius: var(--radius-s);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-news .series-item:hover {
  border-color: var(--news-line);
  background: rgba(18, 18, 26, 0.85);
  transform: translateX(4px);
}

.page-news .series-index {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .series-copy {
  display: grid;
  gap: 0.3rem;
}

.page-news .series-topic {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-news .series-title-small {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-news .series-desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--muted);
}

@media (min-width: 768px) {
  .page-news .page-header {
    grid-template-columns: 3fr 1.4fr;
    align-items: end;
    gap: 3rem;
  }

  .page-news .journal-index {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news .journal-index-item {
    border-bottom: 0;
    border-right: 1px solid var(--news-line-cool);
    justify-content: center;
  }

  .page-news .journal-index-item:last-child {
    border-right: 0;
  }

  .page-news .section-heading-row {
    flex-direction: row;
    align-items: center;
  }

  .page-news .feature-article {
    grid-template-columns: 11fr 9fr;
    align-items: center;
  }

  .page-news .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news .archive-layout {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-news .notice-layout {
    grid-template-columns: 5fr 7fr;
    gap: 3rem;
  }

  .page-news .series-layout {
    grid-template-columns: 4fr 8fr;
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .page-news .article-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}