.page-news{
  --cut-angle:14px;
  --glow-blue:0 0 24px rgba(0,229,255,.35);
  --glow-orange:0 0 24px rgba(255,106,0,.3);
  background:var(--bg-deep);
  color:var(--text-primary);
  font-family:var(--font-body);
  line-height:1.6;
  overflow-x:hidden;
}
.page-news img{
  max-width:100%;
  height:auto;
}
.page-news .news-breadcrumb{
  display:flex;
  align-items:center;
  gap:.5rem;
  padding:1.5rem 1.25rem 0;
  font-size:.875rem;
  color:var(--text-secondary);
}
.page-news .news-breadcrumb a{
  color:var(--accent-blue);
  text-decoration:none;
  transition:color .25s var(--ease-out);
}
.page-news .news-breadcrumb a:hover{
  color:var(--text-primary);
}
.page-news .news-breadcrumb .breadcrumb-sep{
  color:var(--border-color);
}
.page-news .news-breadcrumb .breadcrumb-current{
  color:var(--text-primary);
  font-weight:600;
}

.page-news .news-hero{
  position:relative;
  padding:2rem 1.25rem 0;
  background:
    radial-gradient(circle at 82% 12%,rgba(0,229,255,.14),transparent 42%),
    linear-gradient(180deg,var(--bg-deep),var(--bg-panel));
  border-bottom:2px solid var(--border-color);
}
.page-news .news-hero::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:4px;
  background:linear-gradient(90deg,var(--accent-blue),var(--accent-orange),var(--accent-green),transparent);
}
.page-news .news-hero-inner{
  display:grid;
  gap:1.5rem;
  max-width:var(--content-max);
  margin:0 auto;
}
.page-news .news-hero-copy{
  position:relative;
  z-index:1;
}
.page-news .news-eyebrow{
  display:inline-block;
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--accent-orange);
  text-transform:uppercase;
  margin-bottom:1rem;
  padding:.3rem .75rem;
  border:1px solid rgba(255,106,0,.4);
  border-radius:999px;
}
.page-news .news-hero h1{
  font-family:var(--font-heading);
  font-size:clamp(2.5rem,9vw,4.5rem);
  line-height:1.04;
  letter-spacing:.02em;
  text-transform:uppercase;
  color:var(--text-primary);
  margin:0 0 1rem;
}
.page-news .news-hero h1::after{
  content:'';
  display:block;
  width:88px;
  height:6px;
  margin-top:1rem;
  background:linear-gradient(90deg,var(--accent-orange),var(--accent-blue));
}
.page-news .news-hero-lead{
  color:var(--text-secondary);
  font-size:1.0625rem;
  max-width:520px;
  margin:1rem 0 1.25rem;
}
.page-news .news-hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:.75rem;
  margin-bottom:1.5rem;
}
.page-news .hero-version,
.page-news .hero-cycle{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-size:.875rem;
  color:var(--text-secondary);
  background:rgba(18,26,43,.85);
  border:1px solid var(--border-color);
  padding:.4rem .9rem;
  border-radius:999px;
}
.page-news .hero-version strong{
  color:var(--accent-blue);
  font-size:1rem;
  text-shadow:var(--glow-blue);
}
.page-news .news-hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.75rem;
}
.page-news .news-hero-actions .btn-primary{
  background:linear-gradient(135deg,var(--accent-blue),#0090ff);
  border:1px solid var(--accent-blue);
  box-shadow:0 0 18px rgba(0,229,255,.25);
}
.page-news .news-hero-actions .btn-primary:hover{
  box-shadow:0 0 30px rgba(0,229,255,.45);
  transform:translateY(-2px);
}
.page-news .news-hero-actions .btn-ghost{
  border-color:var(--border-color);
  color:var(--text-secondary);
}
.page-news .news-hero-actions .btn-ghost:hover{
  border-color:var(--accent-blue);
  color:var(--accent-blue);
}
.page-news .news-hero-visual{
  position:relative;
  margin:0 -1.25rem;
}
.page-news .news-hero-visual img{
  width:100%;
  height:auto;
  display:block;
  border:2px solid var(--border-color);
  box-shadow:var(--shadow-panel);
  object-fit:cover;
}
.page-news .news-hero-stats{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1.25rem;
  max-width:var(--content-max);
  margin:2rem auto 0;
  padding:1.25rem;
  border-top:1px solid var(--border-color);
}
.page-news .hero-stat{
  display:flex;
  flex-direction:column;
  gap:.25rem;
}
.page-news .hero-stat .stat-value{
  font-family:var(--font-heading);
  font-size:2rem;
  line-height:1;
  color:var(--text-primary);
}
.page-news .hero-stat:nth-child(1) .stat-value{
  color:var(--accent-blue);
  text-shadow:var(--glow-blue);
}
.page-news .hero-stat:nth-child(2) .stat-value{
  color:var(--accent-orange);
  text-shadow:var(--glow-orange);
}
.page-news .hero-stat:nth-child(3) .stat-value{
  color:var(--accent-green);
  text-shadow:0 0 20px rgba(57,255,20,.3);
}
.page-news .hero-stat .stat-label{
  font-size:.8125rem;
  color:var(--text-secondary);
}

.page-news .news-latest{
  padding:3rem 1.25rem 2rem;
}
.page-news .section-head{
  display:flex;
  flex-direction:column;
  gap:.5rem;
  margin-bottom:1.5rem;
  max-width:var(--content-max);
  margin-left:auto;
  margin-right:auto;
}
.page-news .section-kicker{
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--accent-blue);
  text-transform:uppercase;
}
.page-news .section-head h2{
  font-family:var(--font-heading);
  font-size:clamp(2rem,5vw,3rem);
  line-height:1.1;
  margin:.25rem 0 0;
  text-transform:uppercase;
  color:var(--text-primary);
}
.page-news .section-head p{
  color:var(--text-secondary);
  font-size:.9375rem;
  margin:0;
}
.page-news .news-filter{
  max-width:var(--content-max);
  margin:0 auto;
}
.page-news .tab-bar{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  margin-bottom:1.5rem;
}
.page-news .tab-btn{
  appearance:none;
  border:1px solid var(--border-color);
  background:transparent;
  color:var(--text-secondary);
  font-family:var(--font-body);
  font-size:.875rem;
  font-weight:500;
  padding:.45rem 1.25rem;
  border-radius:999px;
  cursor:pointer;
  transition:border-color .25s var(--ease-out),color .25s var(--ease-out),background .25s var(--ease-out),box-shadow .25s var(--ease-out);
}
.page-news .tab-btn:hover{
  color:var(--text-primary);
  border-color:rgba(0,229,255,.5);
}
.page-news .tab-btn[data-active]{
  color:var(--accent-blue);
  border-color:var(--accent-blue);
  background:rgba(0,229,255,.08);
  box-shadow:inset 0 0 14px rgba(0,229,255,.1);
}
.page-news .tab-panel[data-tab-panel]{
  display:block;
}
.page-news .tab-panel[data-tab-panel] + .tab-panel[data-tab-panel]{
  margin-top:1.5rem;
  padding-top:1.5rem;
  border-top:1px dashed var(--border-color);
}
.page-news .news-list{
  display:flex;
  flex-direction:column;
  gap:1rem;
}
.page-news .news-item{
  display:grid;
  gap:.875rem;
  padding:1.25rem;
  background:var(--bg-panel);
  border:1px solid var(--border-color);
  border-left:4px solid var(--accent-blue);
  box-shadow:var(--shadow-panel);
  transition:transform .3s var(--ease-out),box-shadow .3s var(--ease-out),border-color .3s var(--ease-out);
}
.page-news .news-item:hover{
  transform:translateY(-4px);
  box-shadow:0 8px 32px rgba(0,0,0,.5);
}
.page-news .news-item-marker{
  display:flex;
  align-items:center;
  gap:.5rem;
}
.page-news .news-item-date{
  font-size:.8125rem;
  font-weight:700;
  color:var(--text-secondary);
  letter-spacing:.05em;
  position:relative;
  padding-left:1.25rem;
}
.page-news .news-item-date::before{
  content:'';
  position:absolute;
  left:0;
  top:50%;
  width:10px;
  height:10px;
  border-radius:50%;
  transform:translateY(-50%);
  background:var(--accent-blue);
  box-shadow:0 0 10px rgba(0,229,255,.6);
}
.page-news .news-item-body{
  display:flex;
  flex-direction:column;
  gap:.5rem;
}
.page-news .news-item-top{
  display:flex;
  align-items:center;
  gap:.5rem;
}
.page-news .news-tag{
  font-size:.75rem;
  font-weight:700;
  padding:.2rem .6rem;
  border-radius:4px;
  letter-spacing:.05em;
  line-height:1.4;
}
.page-news .tag-feature{
  color:var(--accent-blue);
  background:rgba(0,229,255,.1);
  border:1px solid rgba(0,229,255,.3);
}
.page-news .tag-content{
  color:var(--accent-green);
  background:rgba(57,255,20,.08);
  border:1px solid rgba(57,255,20,.3);
}
.page-news .tag-service{
  color:var(--accent-orange);
  background:rgba(255,106,0,.1);
  border:1px solid rgba(255,106,0,.3);
}
.page-news .news-item-version{
  font-size:.75rem;
  color:var(--text-secondary);
  font-weight:700;
}
.page-news .news-item-body h3{
  font-family:var(--font-heading-cn);
  font-size:1.25rem;
  font-weight:700;
  line-height:1.4;
  color:var(--text-primary);
  margin:0;
}
.page-news .news-item-body p{
  font-size:.9375rem;
  color:var(--text-secondary);
  margin:0;
}
.page-news .news-item-link{
  align-self:flex-start;
  color:var(--accent-blue);
  font-weight:700;
  font-size:.875rem;
  text-decoration:none;
  margin-top:.25rem;
  transition:color .25s var(--ease-out);
}
.page-news .news-item-link:hover{
  color:var(--text-primary);
}
.page-news .detail-list{
  margin:.5rem 0 0;
  padding-left:1.1rem;
  color:var(--text-secondary);
  font-size:.875rem;
  display:grid;
  gap:.3rem;
}
.page-news .news-item-detail .news-item-body > p{
  font-weight:500;
  color:var(--text-primary);
}

.page-news .news-version{
  background:
    linear-gradient(180deg,rgba(18,26,43,.7),transparent 60%),
    var(--bg-deep);
  padding:3rem 1.25rem;
  border-top:2px solid var(--border-color);
  border-bottom:2px solid var(--border-color);
}
.page-news .version-layout{
  max-width:var(--content-max);
  margin:0 auto;
  display:grid;
  gap:2rem;
}
.page-news .version-timeline{
  position:relative;
  padding-left:1.5rem;
}
.page-news .version-timeline::before{
  content:'';
  position:absolute;
  left:0;
  top:8px;
  bottom:8px;
  width:2px;
  background:linear-gradient(180deg,var(--accent-blue),var(--accent-orange));
}
.page-news .version-item{
  position:relative;
  margin-bottom:1.5rem;
  padding:1.25rem;
  background:var(--bg-panel);
  border:1px solid var(--border-color);
  border-right:4px solid var(--border-color);
  box-shadow:var(--shadow-panel);
  transition:transform .3s var(--ease-out),border-color .3s var(--ease-out);
}
.page-news .version-item:hover{
  transform:translateY(-3px);
  border-color:rgba(0,229,255,.5);
}
.page-news .version-item::before{
  content:'';
  position:absolute;
  left:calc(-1.5rem - 5px);
  top:2rem;
  width:12px;
  height:12px;
  border-radius:50%;
  background:var(--accent-blue);
  box-shadow:0 0 14px rgba(0,229,255,.7);
}
.page-news .version-current{
  border-right-color:var(--accent-blue);
}
.page-news .version-no{
  font-family:var(--font-heading);
  font-size:2.25rem;
  line-height:1;
  color:var(--text-primary);
  letter-spacing:.02em;
  text-shadow:0 0 24px rgba(0,229,255,.3);
  transition:transform .3s var(--ease-out),color .3s var(--ease-out);
}
.page-news .version-item:hover .version-no{
  transform:scale(1.04);
  color:var(--accent-blue);
}
.page-news .version-state{
  display:inline-block;
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--accent-orange);
  background:rgba(255,106,0,.1);
  padding:.2rem .6rem;
  border-radius:4px;
  margin:.75rem 0 .5rem;
}
.page-news .version-info h3{
  font-family:var(--font-heading-cn);
  font-size:1.25rem;
  font-weight:700;
  color:var(--text-primary);
  margin:0 0 .5rem;
}
.page-news .version-info ul{
  margin:0 0 .75rem;
  padding-left:1.1rem;
  color:var(--text-secondary);
  font-size:.875rem;
  display:grid;
  gap:.3rem;
}
.page-news .version-end{
  display:flex;
  align-items:center;
  gap:.75rem;
  color:var(--text-secondary);
  font-size:.8125rem;
  margin-top:1rem;
}
.page-news .version-end-line{
  flex:0 0 48px;
  height:1px;
  background:var(--accent-blue);
}
.page-news .version-visual{
  position:relative;
  padding:.75rem .75rem 2.5rem;
  background:var(--bg-panel);
  border:2px solid var(--border-color);
  box-shadow:var(--shadow-panel);
}
.page-news .version-visual img{
  display:block;
  width:100%;
  height:auto;
  border:1px solid var(--border-color);
  object-fit:cover;
}
.page-news .version-visual::after{
  content:'V1.0 → V4.2';
  position:absolute;
  bottom:.75rem;
  right:1rem;
  font-family:var(--font-heading);
  font-size:1rem;
  letter-spacing:.04em;
  color:var(--accent-blue);
}

.page-news .news-topics{
  padding:3rem 1.25rem 2rem;
}
.page-news .topic-grid{
  max-width:var(--content-max);
  margin:0 auto;
  display:grid;
  gap:1.5rem;
}
.page-news .topic-card{
  position:relative;
  background:var(--bg-panel);
  border:2px solid var(--border-color);
  box-shadow:var(--shadow-panel);
  padding:1.25rem;
  transition:transform .3s var(--ease-out),border-color .3s var(--ease-out);
}
.page-news .topic-card:hover{
  transform:translateY(-6px);
  border-color:rgba(0,229,255,.5);
}
.page-news .topic-card::after{
  content:'';
  position:absolute;
  top:0;
  right:0;
  width:0;
  height:0;
  border-top:22px solid var(--accent-blue);
  border-left:22px solid transparent;
  opacity:.55;
}
.page-news .topic-icon{
  margin-bottom:1rem;
  overflow:hidden;
  border:1px solid var(--border-color);
}
.page-news .topic-icon img{
  width:100%;
  height:auto;
  display:block;
  object-fit:cover;
  transition:transform .4s var(--ease-out);
}
.page-news .topic-card:hover .topic-icon img{
  transform:scale(1.03);
}
.page-news .topic-body h3{
  font-family:var(--font-heading-cn);
  font-size:1.35rem;
  font-weight:700;
  color:var(--text-primary);
  margin:0 0 .5rem;
}
.page-news .topic-body p{
  font-size:.9375rem;
  color:var(--text-secondary);
  margin:0 0 1rem;
}
.page-news .topic-link{
  color:var(--accent-orange);
  font-weight:700;
  font-size:.875rem;
  text-decoration:none;
  transition:color .25s var(--ease-out);
}
.page-news .topic-link:hover{
  color:var(--accent-blue);
}

.page-news .news-notice{
  padding:3rem 1.25rem;
  background:rgba(18,26,43,.5);
  border-top:2px solid var(--border-color);
}
.page-news .notice-wrap{
  max-width:var(--content-max);
  margin:0 auto;
  display:grid;
  gap:1.5rem;
}
.page-news .notice-visual{
  position:relative;
}
.page-news .notice-visual img{
  width:100%;
  height:auto;
  display:block;
  border:2px solid var(--border-color);
  box-shadow:var(--shadow-panel);
  object-fit:cover;
}
.page-news .notice-float-tag{
  position:absolute;
  top:1rem;
  right:1rem;
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--bg-deep);
  background:var(--accent-orange);
  padding:.35rem 1rem;
  box-shadow:0 4px 16px rgba(255,106,0,.4);
}
.page-news .notice-content h2{
  font-family:var(--font-heading);
  font-size:clamp(1.75rem,4vw,2.5rem);
  text-transform:uppercase;
  margin:.25rem 0 .75rem;
  color:var(--text-primary);
}
.page-news .notice-content p{
  color:var(--text-secondary);
  margin:0 0 1.25rem;
  font-size:.9375rem;
}
.page-news .notice-list{
  list-style:none;
  margin:0 0 1.5rem;
  padding:0;
  display:grid;
  gap:.75rem;
}
.page-news .notice-list li{
  position:relative;
  padding-left:1.5rem;
  color:var(--text-primary);
  font-size:.9375rem;
}
.page-news .notice-list li::before{
  content:'';
  position:absolute;
  left:0;
  top:.55em;
  width:8px;
  height:8px;
  background:var(--accent-green);
  box-shadow:0 0 8px rgba(57,255,20,.45);
}

@media (min-width:768px){
  .page-news .news-breadcrumb{
    padding-left:2rem;
    padding-right:2rem;
  }
  .page-news .news-hero{
    padding:3.5rem 2rem 0;
  }
  .page-news .news-hero-inner{
    grid-template-columns:1.1fr .9fr;
    align-items:center;
    gap:3rem;
  }
  .page-news .news-hero-visual{
    margin:0;
  }
  .page-news .news-hero-stats{
    grid-template-columns:repeat(4,1fr);
    gap:2rem;
    padding:1.5rem 0;
  }
  .page-news .section-head{
    flex-direction:row;
    align-items:flex-end;
    justify-content:space-between;
  }
  .page-news .section-head p{
    max-width:360px;
    text-align:right;
  }
  .page-news .news-latest{
    padding:4rem 2rem 3rem;
  }
  .page-news .news-item{
    grid-template-columns:120px 1fr;
    gap:1.5rem;
  }
  .page-news .news-item-marker{
    align-items:flex-start;
    padding-top:.4rem;
  }
  .page-news .news-item-date{
    padding-left:0;
    padding-top:1.25rem;
  }
  .page-news .news-item-date::before{
    left:auto;
    right:100%;
    top:1.4rem;
    margin-right:.3rem;
  }
  .page-news .news-version{
    padding:4rem 2rem;
  }
  .page-news .version-layout{
    grid-template-columns:1.05fr .95fr;
    gap:3rem;
    align-items:start;
  }
  .page-news .version-no{
    font-size:3rem;
  }
  .page-news .news-topics{
    padding:4rem 2rem 3rem;
  }
  .page-news .topic-grid{
    grid-template-columns:repeat(3,1fr);
    gap:1.5rem;
  }
  .page-news .news-notice{
    padding:4rem 2rem;
  }
  .page-news .notice-wrap{
    grid-template-columns:1fr 1fr;
    gap:3rem;
    align-items:center;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-news .news-item,
  .page-news .topic-card,
  .page-news .version-item,
  .page-news .version-item:hover .version-no,
  .page-news .topic-icon img,
  .page-news .news-hero-actions .btn-primary{
    transition:none;
    transform:none;
  }
}