.page-news{
  --news-rail:240px;
  --news-gap:clamp(30px,5vw,64px);
  background:var(--midnight);
  color:var(--ice);
  font-family:var(--font-body);
  padding-block:clamp(18px,3vw,34px) clamp(72px,10vw,140px);
  min-width:0;
}
.page-news a{color:var(--cyan);text-decoration:none;}
.page-news a:hover{text-decoration:underline;text-decoration-color:rgba(79,227,208,.45);text-underline-offset:3px;}
.page-news img{max-width:100%;height:auto;}

/* 面包屑 */
.page-news .breadcrumb__list{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:0 0 clamp(18px,3vw,30px);padding:0;list-style:none;
  font-family:var(--font-narrow);font-size:12px;letter-spacing:.1em;color:var(--steel);
}
.page-news .breadcrumb__link{color:var(--steel);}
.page-news .breadcrumb__item+.breadcrumb__item::before{content:"/";margin-right:8px;color:var(--line-strong);}
.page-news .breadcrumb__current{color:var(--cyan);}

/* 首屏框景 */
.page-news .news-hero{margin-bottom:clamp(34px,5vw,64px);}
.page-news .news-hero__frame{
  position:relative;
  border:3px solid var(--line-strong);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(42,58,114,.68) 0%, rgba(6,20,40,0) 58%),
    radial-gradient(90% 80% at 100% 100%, rgba(31,156,156,.24) 0%, rgba(6,20,40,0) 62%),
    linear-gradient(168deg,#0b2039 0%,#061428 60%,#0a1c33 100%);
  box-shadow:var(--shadow-hard);
  padding:clamp(20px,4vw,54px);
}
.page-news .news-hero__frame::after{
  content:"";position:absolute;inset:10px;border:1px dashed rgba(143,169,188,.4);pointer-events:none;
}
.page-news .news-hero__grid{
  position:relative;z-index:1;
  display:grid;gap:clamp(24px,4vw,46px);
  grid-template-columns:minmax(0,1fr);
}
@media (min-width:900px){
  .page-news .news-hero__grid{grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);align-items:end;}
}
.page-news .news-hero__kicker{
  margin:0 0 14px;font-family:var(--font-narrow);font-size:12px;letter-spacing:.16em;color:var(--cyan);
}
.page-news .news-hero__title{
  margin:0 0 18px;font-family:var(--font-display);font-weight:600;
  font-size:clamp(30px,5vw,58px);line-height:1.14;letter-spacing:-.01em;color:var(--frost);
}
.page-news .news-hero__lede{
  margin:0 0 26px;max-width:46ch;
  font-size:clamp(15px,1.5vw,17px);line-height:1.85;color:#b9cfdd;
}
.page-news .news-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:12px;}
.page-news .news-stat{
  border:1px solid var(--line);border-top:3px solid var(--cyan);
  background:rgba(6,20,40,.78);padding:14px 16px 16px;
}
.page-news .news-stat--warm{border-top-color:var(--amber);}
.page-news .news-stat__value{
  margin:0 0 8px;font-family:var(--font-mono);font-weight:500;
  font-size:clamp(22px,2.6vw,32px);line-height:1;letter-spacing:.02em;color:var(--cyan);
}
.page-news .news-stat--warm .news-stat__value{color:var(--amber);}
.page-news .news-stat__label{margin:0;font-size:12px;line-height:1.65;color:var(--steel);}
.page-news .news-hero__figure{margin:0;}
.page-news .news-hero__figure img{display:block;width:100%;border:1px solid var(--line);object-fit:cover;}
.page-news .news-hero__caption{
  margin-top:10px;font-family:var(--font-narrow);font-size:11px;letter-spacing:.14em;color:var(--steel);
}

/* 左轨道 + 主内容流 */
.page-news .news-body{
  display:grid;gap:var(--news-gap);
  grid-template-columns:minmax(0,1fr);align-items:start;
}
@media (min-width:960px){
  .page-news .news-body{grid-template-columns:var(--news-rail) minmax(0,1fr);gap:clamp(40px,5vw,72px);}
}
.page-news .news-rail{border-top:3px solid var(--line-strong);padding-top:14px;min-width:0;}
@media (min-width:960px){.page-news .news-rail{position:sticky;top:104px;}}
.page-news .news-rail__cap{
  margin:0 0 12px;font-family:var(--font-narrow);font-size:11px;letter-spacing:.18em;color:var(--steel);
}
.page-news .news-rail__list{
  display:flex;gap:18px;margin:0;padding:0 0 6px;list-style:none;
  overflow-x:auto;-webkit-overflow-scrolling:touch;
}
.page-news .news-rail__item{position:relative;flex:0 0 auto;padding:6px 0 6px 20px;}
.page-news .news-rail__item::before{
  content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;
  border:2px solid var(--steel);background:var(--midnight);transform:rotate(45deg);
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.page-news .news-rail__item.is-active::before{
  border-color:var(--cyan);background:var(--cyan);box-shadow:0 0 12px rgba(79,227,208,.7);
}
.page-news .news-rail__link{
  display:block;font-family:var(--font-narrow);font-size:13.5px;letter-spacing:.02em;
  color:var(--steel);white-space:nowrap;
}
.page-news .news-rail__link:hover{color:var(--ice);text-decoration:none;}
.page-news .news-rail__item.is-active .news-rail__link{color:var(--cyan);}
@media (min-width:960px){
  .page-news .news-rail__list{display:block;position:relative;overflow:visible;padding:0;}
  .page-news .news-rail__list::before{
    content:"";position:absolute;left:4px;top:10px;bottom:10px;width:1px;background:var(--line);
  }
  .page-news .news-rail__link{white-space:normal;}
}

/* 章节头 */
.page-news .news-main{min-width:0;}
.page-news .news-main > section + section{margin-top:clamp(56px,8vw,110px);}
.page-news .news-head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 16px;
  border-top:3px solid var(--line-strong);padding-top:14px;margin-bottom:clamp(20px,3vw,32px);
}
.page-news .news-head__num{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--cyan);}
.page-news .news-head__title{
  margin:0;font-family:var(--font-display);font-weight:600;
  font-size:clamp(22px,3.1vw,34px);line-height:1.28;color:var(--frost);
}
.page-news .news-head__note{flex:1 1 220px;margin:0;font-size:13px;line-height:1.7;color:var(--steel);}

/* 最新更新摘要 */
.page-news .news-briefs-layout{display:grid;gap:clamp(20px,3vw,34px);grid-template-columns:minmax(0,1fr);}
@media (min-width:820px){
  .page-news .news-briefs-layout{grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);align-items:start;}
}
.page-news .news-briefs{display:grid;gap:14px;margin:0;padding:0;list-style:none;}
.page-news .news-brief{
  border-left:4px solid var(--lemon);background:rgba(12,37,66,.5);padding:14px 18px;
}
.page-news .news-brief__title{
  margin:0 0 6px;font-family:var(--font-narrow);font-weight:600;font-size:15px;letter-spacing:.02em;color:var(--ice);
}
.page-news .news-brief__text{margin:0;font-size:14px;line-height:1.8;color:#a9c1d1;}
.page-news .news-num{font-family:var(--font-mono);color:var(--amber);letter-spacing:.02em;}
.page-news .news-figure{margin:0;}
.page-news .news-figure img{display:block;width:100%;border:1px solid var(--line);object-fit:cover;}
.page-news .news-figure__caption{
  margin-top:10px;font-family:var(--font-narrow);font-size:11px;letter-spacing:.14em;color:var(--steel);
}

/* 归档区 */
.page-news .news-texture{margin:0 0 clamp(20px,3vw,32px);}
.page-news .news-texture img{
  display:block;width:100%;height:clamp(88px,14vw,158px);
  object-fit:cover;opacity:.5;border:1px solid var(--line);
}
.page-news .news-filter{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 clamp(22px,3vw,32px);}
.page-news .news-chip{
  font-family:var(--font-narrow);font-size:13px;letter-spacing:.04em;line-height:1;
  padding:8px 15px;border:1px solid var(--line-strong);border-radius:999px;
  background:transparent;color:var(--steel);cursor:pointer;
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.page-news .news-chip:hover{color:var(--ice);border-color:var(--cyan);}
.page-news .news-chip[aria-pressed="true"]{
  color:var(--lemon);border-color:var(--lemon);box-shadow:inset 0 0 0 2px rgba(237,233,74,.16);
}
.page-news .news-group{padding-top:4px;}
.page-news .news-group + .news-group{margin-top:clamp(28px,4vw,46px);}
.page-news .news-group__head{display:flex;align-items:center;gap:14px;margin:0 0 6px;}
.page-news .news-group__label{
  margin:0;font-family:var(--font-narrow);font-size:13px;letter-spacing:.14em;color:var(--cyan);white-space:nowrap;
}
.page-news .news-group__rule{flex:1 1 auto;height:1px;background:var(--line);}
.page-news .news-group__count{font-family:var(--font-mono);font-size:12px;color:var(--steel);}
.page-news .news-entry{
  display:grid;gap:4px 18px;grid-template-columns:minmax(0,1fr);
  padding:18px 14px;border-bottom:var(--hairline);
  transition:background var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
@media (min-width:760px){
  .page-news .news-entry{grid-template-columns:88px minmax(0,1fr) 76px;align-items:baseline;}
}
.page-news .news-entry:hover,
.page-news .news-entry:focus-within{background:rgba(12,37,66,.78);box-shadow:inset 3px 0 0 var(--cyan);}
.page-news .news-entry__when{
  margin:0;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--steel);
}
.page-news .news-entry__body{min-width:0;}
.page-news .news-entry__tagline{margin:0;}
.page-news .news-entry__tag{
  display:inline-block;font-family:var(--font-narrow);font-size:11px;letter-spacing:.12em;
  padding:3px 10px;border:1px solid currentColor;border-radius:999px;color:var(--cyan);
}
.page-news .news-entry__tag--tip{color:var(--lemon);}
.page-news .news-entry__tag--fix{color:var(--amber);}
.page-news .news-entry__tag--sum{color:var(--steel);}
.page-news .news-entry__title{
  margin:8px 0 6px;font-family:var(--font-display);font-weight:600;
  font-size:clamp(17px,1.9vw,21px);line-height:1.45;color:var(--frost);
}
.page-news .news-entry__sum{
  margin:0;font-size:14px;line-height:1.8;color:var(--steel);
  transition:color var(--t) var(--ease);
}
.page-news .news-entry:hover .news-entry__sum,
.page-news .news-entry:focus-within .news-entry__sum{color:#bcd2df;}
.page-news .news-entry__ver{
  margin:0;font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;color:var(--amber);text-align:right;
}
@media (max-width:759px){
  .page-news .news-entry__ver{text-align:left;}
}

/* 专栏系列 */
.page-news .news-columns-wrap{display:grid;gap:clamp(20px,3vw,34px);grid-template-columns:minmax(0,1fr);}
@media (min-width:1024px){
  .page-news .news-columns-wrap{grid-template-columns:minmax(0,1fr) 230px;align-items:start;}
}
.page-news .news-columns{display:grid;gap:18px;grid-template-columns:minmax(0,1fr);}
@media (min-width:760px){
  .page-news .news-columns{grid-template-columns:repeat(3,minmax(0,1fr));}
}
.page-news .news-column{
  display:flex;flex-direction:column;gap:10px;
  border:2px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(42,58,114,.5),rgba(6,20,40,.92));
  box-shadow:var(--shadow-hard);padding:20px 18px 22px;
}
.page-news .news-column__index{
  margin:0;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--cyan);
}
.page-news .news-column__title{
  margin:0;font-family:var(--font-display);font-weight:600;font-size:19px;line-height:1.4;color:var(--frost);
}
.page-news .news-column__text{margin:0;flex:1 1 auto;font-size:13.5px;line-height:1.85;color:#a9c1d1;}
.page-news .news-column__meta{margin:0;font-family:var(--font-mono);font-size:12px;color:var(--steel);}

/* 回溯与定期查看 */
.page-news .news-trace{display:grid;gap:18px;grid-template-columns:minmax(0,1fr);}
@media (min-width:760px){
  .page-news .news-trace{grid-template-columns:repeat(3,minmax(0,1fr));}
}
.page-news .news-trace__item{border-top:2px solid var(--line-strong);padding-top:14px;}
.page-news .news-trace__title{
  margin:0 0 8px;font-family:var(--font-narrow);font-weight:600;font-size:15px;letter-spacing:.02em;color:var(--ice);
}
.page-news .news-trace__text{margin:0;font-size:14px;line-height:1.85;color:var(--steel);}
.page-news .news-links{display:flex;flex-wrap:wrap;gap:12px;margin:clamp(26px,4vw,40px) 0 0;}
.page-news .news-links .btn{font-family:var(--font-narrow);letter-spacing:.04em;}