.page-news {
  position: relative;
  display: block;
  background: linear-gradient(180deg, #0B1A33 0%, #0F2240 40%, #1A2F4F 100%);
  color: var(--color-text, #E0E6ED);
  font-family: var(--font-body, 'Inter', sans-serif);
  line-height: 1.6;
}
.page-news__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 80px;
  position: relative;
  z-index: 1;
}
/* 面包屑 */
.page-news__breadcrumb {
  margin-bottom: 24px;
  font-size: 14px;
}
.page-news__breadcrumb .breadcrumb__item {
  color: var(--color-text-secondary, #8899AA);
  text-decoration: none;
  transition: color 0.2s;
}
.page-news__breadcrumb .breadcrumb__item:hover {
  color: var(--color-accent, #9B59B6);
}
.page-news__breadcrumb .breadcrumb__item--current {
  color: var(--color-signal, #39FF14);
  pointer-events: none;
}
.page-news__breadcrumb .breadcrumb__separator {
  color: var(--color-text-secondary, #8899AA);
  margin: 0 8px;
}
/* 页面标题 */
.page-news__title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 800;
  font-size: 2.5rem; /* 40px */
  margin: 0 0 8px;
  color: var(--color-text, #E0E6ED);
  text-shadow: 0 0 20px rgba(57,255,20,0.15);
  letter-spacing: -0.02em;
}
.page-news__subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary, #8899AA);
  margin: 0 0 40px;
  max-width: 600px;
}
/* 通用区块 */
.page-news__section {
  margin-bottom: 64px;
  position: relative;
}
.page-news__section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}
.page-news__section-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 800;
  font-size: 2rem; /* 32px */
  margin: 0;
  color: var(--color-text, #E0E6ED);
  letter-spacing: -0.02em;
}
.page-news__section-badge {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 16px;
  background: var(--color-signal, #39FF14);
  color: #0B1A33;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 0 16px rgba(57,255,20,0.3);
}
.page-news__section-badge--info {
  background: var(--color-accent, #9B59B6);
  color: #fff;
  box-shadow: 0 0 16px rgba(155,89,182,0.3);
}
/* 最新消息网格 */
.page-news__updates-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-news__card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-surface, #0F2240);
  border-radius: var(--radius-card, 16px);
  border: 1px solid rgba(155,89,182,0.2);
  box-shadow: var(--shadow-card, 0 8px 32px rgba(0,0,0,0.6));
  transition: transform 0.3s cubic-bezier(0.25,0.46,0.45,0.94), box-shadow 0.3s ease;
  overflow: hidden;
  position: relative;
}
.page-news__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(155,89,182,0.2);
  border-color: var(--color-accent-glow, rgba(155,89,182,0.4));
}
.page-news__card--featured {
  grid-column: 1 / -1;
}
.page-news__card-image-wrap {
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background: #0B1A33;
}
.page-news__card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-news__card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.page-news__card-date {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--color-accent, #9B59B6);
  font-size: 0.75rem;
}
.page-news__card-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 0 8px;
  color: var(--color-text, #E0E6ED);
}
.page-news__card-summary {
  font-size: 0.95rem;
  color: var(--color-text-secondary, #8899AA);
  margin: 0 0 16px;
  flex: 1;
}
.page-news__card-link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--color-signal, #39FF14);
  border-color: var(--color-signal-glow, rgba(57,255,20,0.3));
}
.page-news__card-link:hover {
  background: rgba(57,255,20,0.1);
}
/* 活动规则时间线 */
.page-news__rules-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-accent-glow, rgba(155,89,182,0.4));
  box-shadow: 0 0 20px rgba(155,89,182,0.2);
  flex-shrink: 0;
}
.page-news__rules-intro {
  color: var(--color-text-secondary, #8899AA);
  margin: -16px 0 32px;
  font-size: 0.95rem;
}
.page-news__timeline {
  position: relative;
  padding-left: 32px;
}
.page-news__timeline::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent, #9B59B6) 0%, var(--color-signal, #39FF14) 100%);
  opacity: 0.6;
}
.page-news__timeline-item {
  position: relative;
  padding: 0 0 40px 24px;
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.page-news__timeline-item:last-child {
  padding-bottom: 0;
}
.page-news__timeline-node {
  position: absolute;
  left: -20px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent, #9B59B6);
  border: 3px solid #0B1A33;
  box-shadow: 0 0 16px var(--color-accent-glow, rgba(155,89,182,0.4));
  z-index: 1;
}
.page-news__timeline-item:last-child .page-news__timeline-node {
  background: var(--color-signal, #39FF14);
  box-shadow: 0 0 20px rgba(57,255,20,0.5);
}
.page-news__timeline-content {
  background: var(--color-bg-surface, #0F2240);
  padding: 20px;
  border-radius: var(--radius-card, 16px);
  border: 1px solid rgba(155,89,182,0.15);
  transition: border-color 0.3s ease;
}
.page-news__timeline-content:hover {
  border-color: var(--color-accent-glow, rgba(155,89,182,0.4));
}
.page-news__timeline-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-bottom: 12px;
}
.page-news__timeline-label {
  color: var(--color-accent, #9B59B6);
  font-size: 0.7rem;
}
.page-news__timeline-deadline {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-signal, #39FF14);
}
.page-news__countdown {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  animation: pageNewsPulse 1.5s ease-in-out infinite;
}
@keyframes pageNewsPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
.page-news__timeline-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0 0 6px;
  color: var(--color-text, #E0E6ED);
}
.page-news__timeline-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary, #8899AA);
  margin: 0;
}
/* 行业观察网格 */
.page-news__insights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-news__insight-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-surface, #0F2240);
  border-radius: var(--radius-card, 16px);
  border: 1px solid rgba(155,89,182,0.2);
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.25,0.46,0.45,0.94), box-shadow 0.3s ease;
}
.page-news__insight-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(155,89,182,0.2);
  border-color: var(--color-accent-glow, rgba(155,89,182,0.4));
}
.page-news__insight-image-wrap {
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background: #0B1A33;
}
.page-news__insight-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.page-news__insight-card:hover .page-news__insight-image {
  transform: scale(1.05);
}
.page-news__insight-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.page-news__insight-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 0 8px;
  color: var(--color-text, #E0E6ED);
}
.page-news__insight-summary {
  font-size: 0.9rem;
  color: var(--color-text-secondary, #8899AA);
  margin: 0 0 16px;
  flex: 1;
}
.page-news__insight-link {
  align-self: flex-start;
  color: var(--color-accent, #9B59B6);
  border-color: rgba(155,89,182,0.3);
  margin-top: auto;
}
.page-news__insight-link:hover {
  background: rgba(155,89,182,0.1);
}
/* 背景纹理装饰 */
.page-news__texture {
  position: absolute;
  right: 0;
  top: 200px;
  width: 300px;
  height: 600px;
  pointer-events: none;
  opacity: 0.15;
  z-index: 0;
  display: none;
}
.page-news__texture-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* 桌面端≥768px */
@media (min-width: 768px) {
  .page-news__container {
    padding: 32px 24px 100px;
  }
  .page-news__title {
    font-size: 3rem; /* 48px */
  }
  .page-news__subtitle {
    font-size: 1.1rem;
  }
  .page-news__updates-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news__card--featured {
    grid-column: 1 / -1;
    flex-direction: row;
  }
  .page-news__card--featured .page-news__card-image-wrap {
    width: 45%;
    aspect-ratio: auto;
    flex-shrink: 0;
  }
  .page-news__card--featured .page-news__card-image {
    height: 100%;
  }
  .page-news__card--featured .page-news__card-body {
    width: 55%;
    padding: 28px;
  }
  .page-news__insights-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-news__texture {
    display: block;
  }
  .page-news__timeline {
    padding-left: 48px;
  }
  .page-news__timeline::before {
    left: 22px;
  }
  .page-news__timeline-node {
    left: -30px;
    width: 16px;
    height: 16px;
  }
  .page-news__timeline-content {
    padding: 24px 28px;
  }
}
/* 桌面端≥1024px */
@media (min-width: 1024px) {
  .page-news__updates-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-news__card--featured {
    grid-column: 1 / 3;
  }
}
</style>