.page-news {
  --color-primary-red: #E63946;
  --color-primary-blue: #1D3557;
  --color-gold: #F4A261;
  --color-light: #F1FAEE;
  --color-dark: #111111;
  --color-bg-dark: #0A1A2E;
  --color-text-light: #FFFFFF;
  --color-text-dark: #1A1A1A;
  --color-divider: #1D3557;
  --color-hover-gold: #E76F51;
  --font-headings: 'Anton', 'Impact', 'Arial Black', sans-serif;
  --font-body: 'Inter', 'Roboto', 'Helvetica Neue', sans-serif;
  --font-numbers: 'Oswald', 'Impact', sans-serif;
  --border-thick: 4px;
  --shadow-strong: 0 8px 20px rgba(0, 0, 0, 0.3);
  display: block;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1rem 2rem;
  color: var(--color-text-dark);
  font-family: var(--font-body);
  line-height: 1.6;
}

/* 面包屑 */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--color-primary-blue);
  margin-bottom: 0.75rem;
  padding: 0.25rem 0;
}

.page-news .breadcrumb a {
  color: var(--color-primary-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--color-hover-gold);
}

.page-news .breadcrumb-sep {
  color: var(--color-divider);
  font-weight: 700;
}

.page-news .breadcrumb [aria-current="page"] {
  font-weight: 600;
  color: var(--color-text-dark);
}

/* 页面标题 */
.page-news .page-title {
  font-family: var(--font-headings);
  font-size: 2.8rem;
  line-height: 1.1;
  color: var(--color-primary-blue);
  margin: 0 0 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.page-news .page-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-dark);
  margin: 0 0 1.5rem;
  max-width: 640px;
  border-left: var(--border-thick) solid var(--color-gold);
  padding-left: 1rem;
}

/* 通用章节标题 */
.page-news .section-heading {
  font-family: var(--font-headings);
  font-size: 2rem;
  color: var(--color-primary-blue);
  margin: 0 0 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  position: relative;
  display: inline-block;
}

.page-news .section-heading::after {
  content: '';
  display: block;
  width: 60%;
  height: var(--border-thick);
  background: var(--color-gold);
  margin-top: 0.25rem;
}

/* 公告面板 */
.page-news .announcement-panel {
  background: var(--color-bg-dark);
  border: var(--border-thick) solid var(--color-primary-blue);
  box-shadow: var(--shadow-strong);
  margin-bottom: 2.5rem;
  padding: 0;
  overflow: hidden;
}

.page-news .announcement-inner {
  display: flex;
  flex-direction: column;
}

.page-news .announcement-text {
  padding: 1.5rem 1.25rem;
  color: var(--color-text-light);
  order: 1;
}

.page-news .announcement-heading {
  font-family: var(--font-headings);
  font-size: 2.2rem;
  line-height: 1.1;
  color: var(--color-gold);
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.page-news .announcement-body {
  font-size: 1rem;
  color: var(--color-light);
  margin: 0 0 1.25rem;
  max-width: 540px;
}

.page-news .announcement-visual {
  order: 0;
  line-height: 0;
  background: var(--color-dark);
}

.page-news .announcement-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 2 / 1;
}

.page-news .btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.65rem 1.6rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  text-decoration: none;
  line-height: 1.4;
}

.page-news .btn:hover,
.page-news .btn:focus-visible {
  transform: scale(1.04);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.page-news .btn-primary {
  background: var(--color-primary-red);
  color: var(--color-text-light);
  border-color: var(--color-primary-red);
}

.page-news .btn-primary:hover,
.page-news .btn-primary:focus-visible {
  background: var(--color-hover-gold);
  border-color: var(--color-hover-gold);
}

.page-news .btn-secondary {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.page-news .btn-secondary:hover,
.page-news .btn-secondary:focus-visible {
  background: var(--color-gold);
  color: var(--color-dark);
}

/* 时间轴章节 */
.page-news .timeline-section {
  padding: 1.5rem 0;
  margin-bottom: 2rem;
  border-top: 2px solid var(--color-divider);
  border-bottom: 2px solid var(--color-divider);
}

.page-news .timeline {
  --timeline-line-color: var(--color-gold);
  --timeline-line-width: 3px;
  position: relative;
  padding-left: 2.8rem;
}

.page-news .timeline::before {
  content: '';
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: var(--timeline-line-width);
  background: var(--timeline-line-color);
  border-radius: 2px;
}

.page-news .timeline-item {
  display: block;
  margin-bottom: 1.25rem;
  position: relative;
  border-left: 2px solid var(--color-primary-blue);
  background: var(--color-light);
  transition: box-shadow 0.25s;
}

.page-news .timeline-item[open] {
  box-shadow: var(--shadow-strong);
}

.page-news .timeline-summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem 0.85rem 2rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-dark);
  background: var(--color-light);
  transition: background 0.2s;
}

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

.page-news .timeline-summary:hover {
  background: #e2eae8;
}

.page-news .timeline-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-family: var(--font-numbers);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-light);
  background: var(--color-primary-red);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  margin-left: -3.2rem;
  border: 2px solid var(--color-gold);
}

.page-news .timeline-title {
  flex: 1;
  font-size: 0.95rem;
}

.page-news .timeline-badge {
  font-family: var(--font-numbers);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--color-gold);
  color: var(--color-dark);
  padding: 0.15rem 0.6rem;
  border-radius: 2px;
  font-weight: 700;
  flex-shrink: 0;
}

.page-news .timeline-content {
  padding: 0.25rem 1rem 1rem 2rem;
  font-size: 0.925rem;
  color: var(--color-text-dark);
  line-height: 1.6;
  border-top: 1px solid var(--color-divider);
  margin-top: 0;
}

.page-news .timeline-content p {
  margin: 0.5rem 0;
}

/* 战报视频章节 */
.page-news .videos-section {
  margin-bottom: 2rem;
}

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

.page-news .video-card {
  background: var(--color-bg-dark);
  border: 2px solid var(--color-primary-blue);
  transition: transform 0.25s, box-shadow 0.25s;
  overflow: hidden;
  cursor: pointer;
}

.page-news .video-card:hover,
.page-news .video-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
  border-color: var(--color-gold);
}

.page-news .video-thumb {
  position: relative;
  line-height: 0;
  overflow: hidden;
  background: var(--color-dark);
}

.page-news .video-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: opacity 0.3s;
}

.page-news .video-card:hover .video-img,
.page-news .video-card:focus-within .video-img {
  opacity: 0.7;
}

.page-news .video-play-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}

.page-news .video-card:hover .video-play-icon,
.page-news .video-card:focus-within .video-play-icon {
  opacity: 1;
  transform: scale(1.08);
}

.page-news .video-play-icon svg {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.6));
}

.page-news .video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-top: 2px solid var(--color-primary-blue);
}

.page-news .video-title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-light);
  margin: 0;
  line-height: 1.3;
}

.page-news .video-status {
  font-family: var(--font-numbers);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--color-primary-red);
  color: var(--color-text-light);
  padding: 0.15rem 0.55rem;
  border-radius: 2px;
  font-weight: 700;
  flex-shrink: 0;
}

/* 数据服务说明 */
.page-news .service-note {
  background: var(--color-light);
  border: var(--border-thick) solid var(--color-divider);
  padding: 1.5rem 1.25rem;
  margin-bottom: 2rem;
}

.page-news .service-note-inner {
  max-width: 760px;
}

.page-news .service-note-text {
  font-size: 1rem;
  color: var(--color-text-dark);
  margin: 0 0 1.25rem;
  line-height: 1.7;
}

.page-news .service-note-text a {
  color: var(--color-primary-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
}

.page-news .service-note-text a:hover {
  color: var(--color-hover-gold);
}

.page-news .service-note .btn {
  margin-right: 0.75rem;
  margin-bottom: 0.5rem;
}

/* 信任声明 */
.page-news .trust-banner {
  background: var(--color-primary-blue);
  color: var(--color-text-light);
  text-align: center;
  padding: 1rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-left: var(--border-thick) solid var(--color-gold);
  border-right: var(--border-thick) solid var(--color-gold);
  margin-top: 1.5rem;
}

.page-news .trust-banner p {
  margin: 0;
  max-width: 800px;
  margin: 0 auto;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-news {
    padding: 1.5rem 2rem 3rem;
  }

  .page-news .page-title {
    font-size: 3.5rem;
  }

  .page-news .page-subtitle {
    font-size: 1.15rem;
    margin-bottom: 2rem;
  }

  .page-news .announcement-inner {
    flex-direction: row;
  }

  .page-news .announcement-text {
    flex: 1 1 45%;
    padding: 2rem 1.5rem;
    order: 0;
  }

  .page-news .announcement-visual {
    flex: 1 1 55%;
    order: 1;
  }

  .page-news .announcement-img {
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
  }

  .page-news .announcement-heading {
    font-size: 2.6rem;
  }

  .page-news .video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .page-news .timeline {
    padding-left: 3.2rem;
  }

  .page-news .timeline-marker {
    width: 2.4rem;
    height: 2.4rem;
    font-size: 1.3rem;
    margin-left: -3.8rem;
  }

  .page-news .timeline-summary {
    font-size: 1.05rem;
    padding: 1rem 1.25rem 1rem 2.4rem;
  }

  .page-news .section-heading {
    font-size: 2.3rem;
  }
}

@media (min-width: 960px) {
  .page-news {
    padding: 2rem 2.5rem 4rem;
  }

  .page-news .page-title {
    font-size: 4rem;
  }

  .page-news .page-subtitle {
    font-size: 1.25rem;
    padding-left: 1.25rem;
  }

  .page-news .announcement-text {
    padding: 2.5rem 2rem;
  }

  .page-news .announcement-heading {
    font-size: 3rem;
  }

  .page-news .announcement-body {
    font-size: 1.1rem;
  }

  .page-news .video-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-news .timeline {
    padding-left: 4rem;
  }

  .page-news .timeline-marker {
    width: 2.8rem;
    height: 2.8rem;
    font-size: 1.5rem;
    margin-left: -4.5rem;
  }

  .page-news .timeline-summary {
    font-size: 1.1rem;
    padding: 1.1rem 1.5rem 1.1rem 2.8rem;
  }

  .page-news .timeline-content {
    padding-left: 2.8rem;
    font-size: 0.975rem;
  }

  .page-news .service-note {
    padding: 2rem 2rem;
  }

  .page-news .section-heading {
    font-size: 2.6rem;
  }
}