.page-news{
  --news-glow:rgba(0,229,255,0.16);
  --news-card-bg:#161F45;
  --news-soft-line:rgba(0,229,255,0.24);
  --news-dash:rgba(0,229,255,0.3);
  --news-track:rgba(244,246,255,0.06);
  --news-badge-bg:rgba(10,14,39,0.72);
  position:relative;
  padding-top:6px;
}

.page-news .breadcrumb{
  margin:0 0 24px;
  font-size:0.875rem;
}

/* ---------- 新闻页面头部 ---------- */

.page-news .news-heading{
  position:relative;
  margin-bottom:52px;
  padding-top:12px;
}

.page-news .news-heading::before{
  content:"";
  position:absolute;
  width:240px;
  height:240px;
  right:6%;
  top:-30px;
  background:radial-gradient(circle,var(--glow-purple) 0%,transparent 66%);
  border-radius:50%;
  pointer-events:none;
  opacity:0.4;
}

.page-news .news-heading h1{
  margin:10px 0 14px;
  max-width:21em;
  font-size:clamp(1.9rem,5vw,3rem);
  line-height:1.22;
  color:var(--text-high);
  letter-spacing:-0.01em;
  font-weight:900;
  position:relative;
  z-index:1;
}

.page-news .news-heading .page-subtitle{
  max-width:44ch;
  font-size:1.05rem;
  color:var(--text-secondary);
  line-height:1.8;
  position:relative;
  z-index:1;
}

.page-news .news-heading-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
  position:relative;
  z-index:1;
}

.page-news .news-heading-tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(18,26,58,0.7);
  border:1px solid var(--border-soft);
  color:#C7D2FF;
  font-size:0.8rem;
  font-family:var(--font-mono);
  letter-spacing:0.03em;
}

/* ---------- 章节间距 ---------- */

.page-news .news-alerts,
.page-news .news-topics,
.page-news .news-watch,
.page-news .news-letter{
  margin-top:64px;
}

.page-news .section-head{
  margin-bottom:26px;
}

.page-news .section-title{
  margin-top:4px;
}

/* ---------- 最新公告 · 置顶卡片 ---------- */

.page-news .news-feature{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  background:var(--bg-raised);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:0 20px 50px rgba(10,14,39,0.42);
  transition:transform 0.35s ease,box-shadow 0.35s ease,border-color 0.35s ease;
}

.page-news .news-feature:hover{
  transform:translateY(-6px);
  box-shadow:0 28px 64px rgba(74,58,255,0.22);
  border-color:var(--neon-cyan);
}

.page-news .news-feature-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}

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

.page-news .ntf-flag{
  position:absolute;
  top:16px;
  left:16px;
  z-index:2;
  padding:6px 16px;
  border-radius:999px;
  background:var(--news-badge-bg);
  border:1px solid var(--border-soft);
  color:var(--neon-cyan);
  font-family:var(--font-mono);
  font-size:0.8rem;
  letter-spacing:0.08em;
  backdrop-filter:blur(6px);
}

.page-news .news-feature-body{
  padding:26px 24px 28px;
}

.page-news .news-feature-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:12px;
}

.page-news .ntf-date{
  color:var(--text-secondary);
  font-size:0.82rem;
}

.page-news .news-feature-body h3{
  font-size:clamp(1.3rem,2.4vw,1.75rem);
  line-height:1.35;
  color:var(--text-high);
  margin-bottom:14px;
  font-weight:800;
}

.page-news .news-feature-body p{
  color:var(--text-secondary);
  line-height:1.78;
  font-size:0.98rem;
  margin-bottom:12px;
}

.page-news .news-feature-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:20px;
}

/* ---------- 最新公告 · 时间线 ---------- */

.page-news .news-timeline{
  position:relative;
  margin-top:36px;
  padding-left:22px;
}

.page-news .timeline-item{
  position:relative;
  padding:0 0 26px 20px;
}

.page-news .timeline-item::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  bottom:0;
  width:2px;
  background-image:linear-gradient(to bottom,var(--news-dash),var(--news-dash));
  background-size:2px 12px;
  background-repeat:repeat-y;
}

.page-news .timeline-item:last-child::before{
  display:none;
}

.page-news .timeline-dot{
  position:absolute;
  left:-5px;
  top:12px;
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--neon-cyan);
  box-shadow:0 0 0 5px rgba(0,229,255,0.14),0 0 18px rgba(0,229,255,0.4);
}

.page-news .timeline-inner{
  background:rgba(18,26,58,0.6);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-lg);
  padding:20px 22px;
  transition:transform 0.3s ease,border-color 0.3s ease,background 0.3s ease;
}

.page-news .timeline-inner:hover{
  transform:translateY(-4px);
  border-color:var(--border-soft);
  background:rgba(22,31,69,0.85);
}

.page-news .timeline-time{
  color:var(--neon-cyan);
  font-size:0.8rem;
  letter-spacing:0.06em;
  margin-bottom:8px;
}

.page-news .timeline-inner h3{
  font-size:1.06rem;
  line-height:1.5;
  color:var(--text-high);
  margin-bottom:8px;
  font-weight:700;
}

.page-news .timeline-inner p{
  font-size:0.92rem;
  line-height:1.75;
  color:var(--text-secondary);
  margin-bottom:10px;
}

.page-news .timeline-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--neon-cyan);
  font-size:0.88rem;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:border-color 0.25s ease;
}

.page-news .timeline-link:hover{
  border-bottom-color:var(--neon-cyan);
}

/* ---------- 专题系列 ---------- */

.page-news .topics-visual{
  margin-bottom:22px;
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid var(--border-soft);
}

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

.page-news .topic-list{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}

.page-news .topic-card{
  display:flex;
  flex-direction:column;
  background:var(--news-card-bg);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-lg);
  padding:24px;
  transition:transform 0.3s ease,border-color 0.3s ease,box-shadow 0.3s ease;
}

.page-news .topic-card:hover{
  transform:translateY(-4px);
  border-color:var(--border-soft);
  box-shadow:0 16px 36px rgba(10,14,39,0.5);
}

.page-news .topic-card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:14px;
}

.page-news .topic-no{
  font-size:0.78rem;
  color:var(--text-secondary);
  opacity:0.8;
}

.page-news .topic-card h3{
  font-size:1.1rem;
  line-height:1.45;
  color:var(--text-high);
  margin-bottom:10px;
  font-weight:700;
}

.page-news .topic-card p{
  font-size:0.92rem;
  line-height:1.75;
  color:var(--text-secondary);
  margin-bottom:16px;
  flex:1;
}

.page-news .topic-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--neon-cyan);
  font-size:0.88rem;
  font-weight:600;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:border-color 0.25s ease,gap 0.25s ease;
}

.page-news .topic-link:hover{
  border-bottom-color:var(--neon-cyan);
  gap:10px;
}

/* ---------- 版本观察 ---------- */

.page-news .watch-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:26px;
  align-items:center;
}

.page-news .watch-visual{
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid var(--border-soft);
}

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

.page-news .watch-summary{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin-bottom:22px;
}

.page-news .watch-stat{
  background:rgba(18,26,58,0.75);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);
  padding:18px;
}

.page-news .watch-stat-num{
  display:block;
  font-size:1.9rem;
  line-height:1.2;
  color:var(--neon-cyan);
  font-weight:700;
}

.page-news .watch-stat-label{
  display:block;
  font-size:0.82rem;
  color:var(--text-secondary);
  margin-top:6px;
  line-height:1.5;
}

.page-news .watch-chart{
  background:rgba(18,26,58,0.75);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-lg);
  padding:20px;
  margin-bottom:18px;
}

.page-news .watch-bar-row{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}

.page-news .watch-bar-row:last-child{
  margin-bottom:0;
}

.page-news .watch-bar-label{
  width:88px;
  flex-shrink:0;
  font-size:0.84rem;
  color:var(--text-secondary);
  line-height:1.4;
}

.page-news .watch-bar-track{
  flex:1;
  height:22px;
  background:var(--news-track);
  border-radius:999px;
  overflow:hidden;
  position:relative;
}

.page-news .watch-bar-fill{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  padding-right:10px;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary-purple),var(--neon-cyan));
  color:#0A0E27;
  font-family:var(--font-mono);
  font-size:0.72rem;
  font-weight:700;
  white-space:nowrap;
}

.page-news .watch-bar-value{
  width:58px;
  flex-shrink:0;
  text-align:right;
  color:var(--neon-cyan);
  font-size:0.8rem;
}

.page-news .watch-note{
  font-size:0.92rem;
  line-height:1.78;
  color:var(--text-secondary);
  margin-bottom:18px;
}

/* ---------- 站内通讯 ---------- */

.page-news .letter-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:26px;
  align-items:center;
}

.page-news .letter-visual{
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid var(--border-soft);
}

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

.page-news .letter-copy h3{
  font-size:1.35rem;
  line-height:1.4;
  color:var(--text-high);
  margin-bottom:12px;
  font-weight:800;
}

.page-news .letter-copy>p{
  color:var(--text-secondary);
  line-height:1.78;
  font-size:0.95rem;
  margin-bottom:16px;
}

.page-news .letter-list{
  list-style:none;
  padding:0;
  margin:0 0 22px;
}

.page-news .letter-list-item{
  position:relative;
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:12px 14px;
  margin-bottom:10px;
  background:rgba(18,26,58,0.6);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-md);
  color:var(--text-secondary);
  font-size:0.92rem;
  line-height:1.7;
}

.page-news .letter-list-dot{
  flex-shrink:0;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--neon-cyan);
  box-shadow:0 0 12px rgba(0,229,255,0.5);
  margin-top:9px;
}

.page-news .letter-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- 返回头条 ---------- */

.page-news .back-to-feature{
  position:fixed;
  right:20px;
  bottom:30px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  border-radius:999px;
  background:rgba(10,14,39,0.9);
  border:1px solid var(--border-soft);
  color:var(--neon-cyan);
  font-family:var(--font-sans);
  font-size:0.84rem;
  font-weight:600;
  text-decoration:none;
  backdrop-filter:blur(10px);
  box-shadow:0 10px 28px rgba(10,14,39,0.5);
  transition:transform 0.25s ease,border-color 0.25s ease,background 0.25s ease;
}

.page-news .back-to-feature:hover{
  transform:translateY(-3px);
  border-color:var(--neon-cyan);
  background:rgba(18,26,58,0.95);
}

/* ---------- 桌面布局增强 ---------- */

@media (min-width:720px){
  .page-news .news-feature-body{
    padding:32px 34px 34px;
  }

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

  .page-news .watch-layout{
    gap:30px;
  }
}

@media (min-width:1024px){
  .page-news .news-heading{
    margin-bottom:64px;
  }

  .page-news .news-feature{
    grid-template-columns:1.15fr 0.85fr;
  }

  .page-news .news-feature-media{
    aspect-ratio:auto;
    height:100%;
    min-height:360px;
  }

  .page-news .news-timeline{
    padding-left:26px;
  }

  .page-news .topic-list{
    grid-template-columns:repeat(3,1fr);
    gap:20px;
  }

  .page-news .watch-layout{
    grid-template-columns:0.9fr 1.1fr;
    gap:36px;
  }

  .page-news .letter-layout{
    grid-template-columns:0.85fr 1.15fr;
    gap:36px;
  }

  .page-news .back-to-feature{
    right:30px;
    bottom:40px;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-news .news-feature,
  .page-news .timeline-inner,
  .page-news .topic-card,
  .page-news .back-to-feature{
    transition:none;
    transform:none;
  }
}