.page-news {
  position: relative;
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(3rem, 7vw, 5rem);
  overflow: hidden;
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 12% -10%, rgba(157, 78, 221, 0.2), transparent 45%),
    radial-gradient(ellipse at 88% 10%, rgba(0, 229, 255, 0.14), transparent 42%);
}

.page-news > .content-container {
  position: relative;
  z-index: 1;
}

.page-news .news-intro {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--glass-border);
}

.page-news .news-sep {
  color: var(--text-secondary);
  margin: 0 0.4rem;
}

.page-news .news-h1 {
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  margin: var(--space-md) 0 var(--space-sm);
  -webkit-text-stroke: 0.5px rgba(0, 229, 255, 0.3);
  animation: page-news-stroke-pulse 4s ease-in-out infinite;
}

.page-news .news-h1 span {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.42em;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: transparent;
  background: linear-gradient(90deg, var(--blue-electric), var(--purple-red), var(--orange-gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-stroke: 0;
  animation: none;
}

.page-news .news-lead {
  max-width: 34em;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 0;
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.page-news img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.page-news .news-feed-banner {
  width: 100%;
  aspect-ratio: 4 / 1;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
}

.page-news .news-filter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin: var(--space-lg) 0 var(--space-md);
}

.page-news .news-filter-tabs {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.page-news .news-filter-tab {
  font-size: 0.85rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  transition: color var(--ease-standard), border-color var(--ease-standard), box-shadow var(--ease-standard);
  text-decoration: none;
}

.page-news .news-filter-tab:hover {
  color: var(--blue-electric);
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.18);
}

.page-news .news-group {
  margin-bottom: var(--space-xl);
}

.page-news .news-sec-title {
  font-size: 1.15rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: var(--space-md);
  color: var(--text-primary);
  scroll-margin-top: calc(var(--header-height) + 1rem);
  transition: color var(--ease-standard), border-color var(--ease-standard);
}

.page-news .news-sec-title:target {
  color: var(--orange-gold);
  border-bottom-color: rgba(255, 158, 0, 0.6);
}

.page-news .news-sec-num {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--blue-electric);
  background: rgba(0, 229, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 0.15rem 0.5rem;
  transition: background var(--ease-standard), color var(--ease-standard);
}

.page-news .news-sec-title:target .news-sec-num {
  background: rgba(255, 158, 0, 0.18);
  color: var(--orange-gold);
}

.page-news .news-item {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: transform var(--ease-standard), border-color var(--ease-standard), box-shadow var(--ease-standard);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--blue-electric);
  opacity: 0.85;
}

.page-news .news-item.cat-feedback::before {
  background: var(--purple-red);
}

.page-news .news-item.cat-column::before {
  background: var(--orange-gold);
}

.page-news .news-item:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 229, 255, 0.08);
}

.page-news .news-item-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.page-news .news-item .tag {
  color: var(--blue-electric);
  border-color: rgba(0, 229, 255, 0.4);
  background: rgba(0, 229, 255, 0.08);
}

.page-news .news-item.cat-feedback .tag {
  color: var(--purple-red);
  border-color: rgba(157, 78, 221, 0.5);
  background: rgba(157, 78, 221, 0.1);
}

.page-news .news-item.cat-column .tag {
  color: var(--orange-gold);
  border-color: rgba(255, 158, 0, 0.5);
  background: rgba(255, 158, 0, 0.1);
}

.page-news .news-time {
  font-size: 0.82rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.page-news .news-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--orange-gold);
  border: 1px solid rgba(255, 158, 0, 0.6);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
}

.page-news .news-item-title {
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-primary);
  margin: 0 0 var(--space-xs);
}

.page-news .news-item-more {
  margin-top: var(--space-xs);
  border-top: 1px dashed var(--glass-border);
  padding-top: var(--space-sm);
}

.page-news .news-item-more summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue-electric);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  user-select: none;
}

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

.page-news .news-item-more summary::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg) translateY(-2px);
  transition: transform var(--ease-standard);
}

.page-news .news-item-more[open] summary::before {
  transform: rotate(135deg);
}

.page-news .news-item-more p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
  margin: var(--space-sm) 0 0;
  animation: page-news-fade-in var(--ease-standard);
}

.page-news .news-bottom-link {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  border: 1px solid rgba(255, 158, 0, 0.3);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 158, 0, 0.08), rgba(157, 78, 221, 0.08));
  text-align: center;
}

.page-news .news-bottom-link p {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.page-news .news-bottom-link .btn {
  margin: var(--space-xs);
}

.page-news .news-aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.page-news .mini-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xs);
}

.page-news .stat-cell {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-xs);
  text-align: center;
  transition: border-color var(--ease-standard), box-shadow var(--ease-standard);
}

.page-news .stat-cell:hover {
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.12);
}

.page-news .stat-num {
  display: block;
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--blue-electric);
  line-height: 1.2;
}

.page-news .stat-cell:nth-child(2) .stat-num {
  color: var(--purple-red);
}

.page-news .stat-cell:nth-child(3) .stat-num {
  color: var(--orange-gold);
}

.page-news .stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

.page-news .aside-card {
  background: var(--bg-layer);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: clamp(1rem, 3vw, var(--space-lg));
  position: relative;
}

.page-news .aside-card::after {
  content: "";
  position: absolute;
  left: -1px;
  right: -1px;
  top: -1px;
  height: 2px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(90deg, var(--blue-electric), var(--purple-red), var(--orange-gold));
}

.page-news .aside-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 var(--space-sm);
}

.page-news .aside-img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.page-news .aside-img.upgrade-img {
  aspect-ratio: 1 / 1;
}

.page-news .aside-sub {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: var(--space-xs) 0 var(--space-md);
}

.page-news .feed-timeline {
  list-style: none;
  margin: 0;
  padding: var(--space-sm) 0 var(--space-xs) 0;
  position: relative;
}

.page-news .feed-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: var(--space-md);
  bottom: var(--space-md);
  width: 2px;
  background: linear-gradient(180deg, var(--blue-electric) 0%, var(--purple-red) 55%, var(--orange-gold) 100%);
  opacity: 0.45;
}

.page-news .timeline {
  position: relative;
  padding-left: calc(var(--space-lg) + 0.25rem);
  margin-bottom: var(--space-sm);
}

.page-news .timeline:last-child {
  margin-bottom: 0;
}

.page-news .timeline-dot {
  position: absolute;
  left: 0;
  top: 0.3rem;
  width: 12px;
  height: 12px;
  background: var(--bg-deep);
  border: 2px solid var(--blue-electric);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.12), 0 0 10px rgba(0, 229, 255, 0.35);
}

.page-news .timeline:nth-child(2) .timeline-dot {
  border-color: var(--purple-red);
  box-shadow: 0 0 0 4px rgba(157, 78, 221, 0.12), 0 0 10px rgba(157, 78, 221, 0.35);
}

.page-news .timeline:nth-child(3) .timeline-dot {
  border-color: var(--orange-gold);
  box-shadow: 0 0 0 4px rgba(255, 158, 0, 0.12), 0 0 10px rgba(255, 158, 0, 0.35);
}

.page-news .timeline:nth-child(4) .timeline-dot {
  border-color: var(--blue-electric);
}

.page-news .timeline:nth-child(5) .timeline-dot {
  border-color: var(--purple-red);
}

.page-news .timeline:first-child .timeline-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.5);
  animation: page-news-ping 2s ease-in-out infinite;
}

.page-news .timeline-content h3 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.2rem;
}

.page-news .timeline-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

.page-news .aside-note {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px dashed var(--glass-border);
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

.page-news .aside-link {
  color: var(--blue-electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
  transition: border-color var(--ease-standard);
}

.page-news .aside-link:hover {
  border-bottom-color: var(--blue-electric);
}

.page-news .accordion {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: border-color var(--ease-standard);
}

.page-news .accordion[open] {
  border-color: rgba(0, 229, 255, 0.3);
}

.page-news .accordion summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  user-select: none;
}

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

.page-news .accordion summary::after {
  content: "+";
  color: var(--blue-electric);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1;
  transition: transform var(--ease-standard), color var(--ease-standard);
}

.page-news .accordion[open] summary::after {
  transform: rotate(45deg);
  color: var(--orange-gold);
}

.page-news .accordion-body {
  padding: 0 var(--space-md) var(--space-md);
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-news .accordion-body p {
  margin: 0;
}

.page-news .aside-flow {
  width: 100%;
  aspect-ratio: 1 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
}

@keyframes page-news-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes page-news-ping {
  0%, 100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.6);
    opacity: 0.1;
  }
}

@keyframes page-news-stroke-pulse {
  0%, 100% {
    -webkit-text-stroke-color: rgba(0, 229, 255, 0.3);
  }
  50% {
    -webkit-text-stroke-color: rgba(157, 78, 221, 0.55);
  }
}

@media (min-width: 900px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4.6fr);
    gap: var(--space-xl);
  }

  .page-news .news-aside {
    gap: var(--space-lg);
  }

  .page-news .news-item {
    padding: var(--space-lg);
  }

  .page-news .mini-stats {
    gap: var(--space-sm);
  }

  .page-news .stat-num {
    font-size: 1.6rem;
  }

  .page-news .aside-card {
    padding: var(--space-lg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-h1,
  .page-news .timeline:first-child .timeline-dot::after {
    animation: none;
  }

  .page-news .news-item,
  .page-news .news-filter-tab,
  .page-news .stat-cell,
  .page-news .accordion summary::after {
    transition: none;
  }
}