.page-news{
  --news-track:180px;
  --news-line:rgba(14,42,36,.18);
  --news-line-soft:rgba(14,42,36,.09);
  --news-gold-wash:rgba(200,162,74,.10);
  background:var(--paper);
  color:var(--graphite);
  font-family:var(--font-body);
  overflow-x:clip;
}

.page-news [id]{scroll-margin-top:92px;}

/* ---------- 首屏 ---------- */
.page-news .page-news__hero{
  padding:clamp(22px,4vw,40px) 0 clamp(28px,4.5vw,52px);
  border-bottom:1px solid var(--news-line);
}

.page-news .breadcrumb ol{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  margin:0 0 clamp(18px,3vw,30px);padding:0;list-style:none;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;color:var(--sage);
}
.page-news .breadcrumb li{display:flex;align-items:center;gap:6px;}
.page-news .breadcrumb li+li::before{content:"/";color:var(--hairline);}
.page-news .breadcrumb a{
  color:var(--ink-2);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:border-color .15s var(--ease);
}
.page-news .breadcrumb a:hover{border-bottom-color:var(--gold);}
.page-news .breadcrumb [aria-current="page"]{color:var(--ink);}

.page-news .page-news__hero-grid{display:grid;gap:clamp(24px,4vw,40px);}
@media (min-width:920px){
  .page-news .page-news__hero-grid{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    align-items:end;
    column-gap:clamp(30px,4vw,60px);
  }
}

.page-news .page-news__hero-copy{min-width:0;}
.page-news .page-news__hero-copy h1{
  margin:14px 0 0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(2.2rem,6.2vw,4.4rem);
  line-height:1.04;
  letter-spacing:-.015em;
  color:var(--ink);
}
.page-news .page-news__lede{
  margin:18px 0 0;
  max-width:48ch;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.65;
  color:var(--graphite);
}
.page-news .page-news__hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

.page-news .page-news__stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  margin:clamp(22px,3.5vw,32px) 0 0;padding:1px;
  background:var(--news-line);border:1px solid var(--news-line);
}
.page-news .page-news__stat{background:var(--paper);padding:11px 12px 13px;min-width:0;}
.page-news .page-news__stat-label{
  margin:0;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;
  color:var(--sage);text-transform:uppercase;
}
.page-news .page-news__stat-num{
  margin:5px 0 0;font-family:var(--font-mono);font-weight:600;
  font-size:clamp(15px,2vw,20px);line-height:1.2;letter-spacing:-.01em;color:var(--ink);
}

.page-news .page-news__hero-figure{margin:0;min-width:0;}
.page-news .page-news__hero-figure .figure__frame{
  overflow:hidden;border:1px solid var(--ink);background:var(--paper-2);
}
.page-news .page-news__hero-figure img{display:block;width:100%;height:auto;object-fit:cover;}
.page-news .page-news__hero-figure .figure__cap{
  margin-top:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.03em;color:var(--sage);
}

/* ---------- 轨道 + 正文栅格 ---------- */
.page-news .page-news__layout{
  display:grid;gap:0;
  padding-top:clamp(26px,4.5vw,50px);
  padding-bottom:clamp(30px,5vw,60px);
}
@media (min-width:960px){
  .page-news .page-news__layout{
    grid-template-columns:var(--news-track) minmax(0,1fr);
    column-gap:clamp(26px,3.5vw,50px);
    align-items:start;
  }
}

.page-news .log-track{
  min-width:0;
  border-top:2px solid var(--ink);
  padding-top:14px;
  margin-bottom:clamp(26px,4vw,38px);
}
@media (min-width:960px){
  .page-news .log-track{position:sticky;top:calc(var(--header-h) + 16px);margin-bottom:0;}
}
.page-news .log-track__title{
  margin:0 0 10px;font-family:var(--font-mono);font-size:10.5px;
  letter-spacing:.18em;color:var(--sage);
}
.page-news .log-track__list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px;}
@media (min-width:960px){
  .page-news .log-track__list{flex-direction:column;flex-wrap:nowrap;gap:2px;}
}
.page-news .log-track__item{
  display:flex;align-items:baseline;gap:8px;
  padding:8px 10px;font-size:13.5px;color:var(--ink-2);text-decoration:none;
  border-left:2px solid transparent;
  transition:background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
}
.page-news .log-track__item:hover{background:var(--news-gold-wash);border-left-color:var(--gold-light);color:var(--ink);}
.page-news .log-track__item[data-active="true"]{background:var(--paper-2);border-left-color:var(--gold);color:var(--ink);}
.page-news .log-track__num{font-family:var(--font-mono);font-size:10.5px;color:var(--gold);}
.page-news .log-track__note{
  margin:14px 0 0;padding-top:12px;border-top:1px solid var(--news-line-soft);
  font-family:var(--font-mono);font-size:11px;line-height:1.6;color:var(--sage);
}

.page-news .log-body{min-width:0;}

.page-news .log-section{padding-bottom:clamp(28px,4.5vw,50px);}
.page-news .log-section + .log-section{
  padding-top:clamp(26px,4.5vw,46px);
  border-top:1px solid var(--news-line);
}
.page-news .log-section:last-child{padding-bottom:0;}

.page-news .log-section__head{display:grid;gap:8px;margin:0 0 clamp(16px,2.5vw,24px);}
.page-news .log-section__head h2{
  margin:0;font-family:var(--font-display);font-weight:900;
  font-size:clamp(1.4rem,3vw,2rem);line-height:1.15;letter-spacing:-.01em;color:var(--ink);
}
.page-news .log-section__head p{margin:0;max-width:56ch;font-size:14.5px;line-height:1.6;color:var(--sage);}

/* ---------- 周分组 ---------- */
.page-news .week-block{margin-bottom:clamp(18px,3vw,26px);}
.page-news .week-block:last-child{margin-bottom:0;}
.page-news .week-block__flag{
  position:relative;
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px;
  padding:9px 16px;background:var(--paper-2);border:1px solid var(--news-line);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--ink-2);
}
.page-news .week-block__flag::after{
  content:"";position:absolute;top:0;right:0;
  border-style:solid;border-width:0 14px 14px 0;
  border-color:transparent var(--paper) transparent transparent;
}
.page-news .week-block__count{color:var(--sage);letter-spacing:.06em;}

/* ---------- 条目列表 ---------- */
.page-news .log-list{
  list-style:none;margin:0;padding:0;
  border:1px solid var(--news-line);border-top:0;background:var(--paper);
}
.page-news .log-item{border-top:1px solid var(--news-line-soft);}
.page-news .log-item:first-child{border-top:0;}

.page-news .log-item__head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px;
  padding:13px 16px;cursor:pointer;list-style:none;
  border-left:3px solid transparent;
  transition:background .16s var(--ease),border-color .16s var(--ease);
}
.page-news .log-item__head::-webkit-details-marker{display:none;}
.page-news .log-item__head:hover{background:var(--news-gold-wash);border-left-color:var(--gold-light);}
.page-news .log-item details[open] .log-item__head{background:var(--news-gold-wash);border-left-color:var(--gold);}

.page-news .log-item__idx{font-family:var(--font-mono);font-size:11px;color:var(--gold);}
.page-news .log-item__title{
  flex:1 1 220px;min-width:0;
  font-size:15px;font-weight:600;line-height:1.45;color:var(--ink);
}
.page-news .log-item__time{
  margin-left:auto;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.04em;color:var(--sage);white-space:nowrap;
}

.page-news .log-tag{
  font-family:var(--font-mono);font-size:11px;line-height:1.7;letter-spacing:.03em;
  padding:1px 7px;white-space:nowrap;
  border:1px solid var(--hairline);background:var(--paper-2);color:var(--ink-2);
}
.page-news .log-tag--ios{color:#8a6d24;border-color:rgba(200,162,74,.55);background:rgba(200,162,74,.13);}
.page-news .log-tag--legacy{color:var(--ink-2);border-color:rgba(111,139,128,.5);background:rgba(111,139,128,.10);}
.page-news .log-tag--query{color:var(--sage);border-color:var(--news-line);background:transparent;}
.page-news .log-tag--revisit{color:var(--cinnabar);border-color:rgba(178,58,47,.4);background:rgba(178,58,47,.07);}

.page-news .log-item__body{padding:0 16px 16px;font-size:14px;line-height:1.62;color:var(--graphite);}
@media (min-width:600px){
  .page-news .log-item__body{padding-left:40px;}
}
.page-news .log-item__body p{margin:0 0 10px;max-width:60ch;}
.page-news .log-item__link{
  display:inline-block;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;
  color:var(--ink);text-decoration:none;
  border-bottom:1px solid var(--gold);padding-bottom:1px;
}
.page-news .log-item__link:hover{background:var(--news-gold-wash);}

/* ---------- 版本迭代线 ---------- */
.page-news .line{
  display:grid;gap:12px;
  padding:clamp(18px,3vw,26px) 0;
  border-top:1px solid var(--news-line-soft);
}
.page-news .line:first-of-type{border-top:0;padding-top:0;}
.page-news .line:last-of-type{padding-bottom:0;}
@media (min-width:780px){
  .page-news .line{
    grid-template-columns:148px minmax(0,1fr);
    column-gap:clamp(20px,3vw,40px);
    align-items:start;
  }
}
.page-news .line__marker{display:flex;align-items:baseline;gap:10px;min-width:0;}
@media (min-width:780px){
  .page-news .line__marker{
    flex-direction:column;align-items:flex-start;gap:6px;
    border-left:3px solid var(--gold);padding-left:14px;
  }
}
.page-news .line__num{
  font-family:var(--font-mono);font-weight:600;line-height:1;
  font-size:clamp(22px,3vw,30px);color:var(--ink);
}
.page-news .line__name{
  font-family:var(--font-display);font-weight:900;font-size:16px;
  letter-spacing:.01em;color:var(--ink-2);
}
.page-news .line__content{min-width:0;}
.page-news .line__lede{margin:0 0 12px;max-width:58ch;font-size:14.5px;line-height:1.65;color:var(--graphite);}
.page-news .line__points{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:7px;}
.page-news .line__points li{position:relative;padding-left:18px;font-size:14px;line-height:1.55;color:var(--graphite);}
.page-news .line__points li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:1px;background:var(--gold);}
.page-news .line__foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.03em;color:var(--sage);
}
.page-news .line__foot a{
  color:var(--ink);text-decoration:none;
  border-bottom:1px solid var(--gold);padding-bottom:1px;
}
.page-news .line__foot a:hover{background:var(--news-gold-wash);}

.page-news .line__figure{margin:14px 0 0;max-width:540px;}
.page-news .line__figure .figure__frame{overflow:hidden;border:1px solid var(--news-line);background:var(--paper-2);}
.page-news .line__figure img{display:block;width:100%;height:auto;object-fit:cover;}
.page-news .line__figure .figure__cap{
  margin-top:7px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.03em;color:var(--sage);
}

/* ---------- 专题整理 ---------- */
.page-news .special-grid{
  display:grid;gap:1px;
  background:var(--news-line);border:1px solid var(--news-line);
}
@media (min-width:720px){
  .page-news .special-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
.page-news .special-card{
  display:flex;flex-direction:column;gap:8px;
  padding:18px 16px 20px;background:var(--paper);min-width:0;
}
.page-news .special-card__num{
  margin:0;font-family:var(--font-mono);font-size:10.5px;
  letter-spacing:.14em;color:var(--gold);
}
.page-news .special-card__title{
  margin:0;font-family:var(--font-display);font-weight:900;
  font-size:16px;line-height:1.3;color:var(--ink);
}
.page-news .special-card__body{margin:0;font-size:14px;line-height:1.62;color:var(--graphite);}
.page-news .special-card__link{
  align-self:flex-start;margin-top:2px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;
  color:var(--ink);text-decoration:none;
  border-bottom:1px solid var(--gold);padding-bottom:1px;
}
.page-news .special-card__link:hover{background:var(--news-gold-wash);}
.page-news .special-card__figure{margin:8px 0 0;}
.page-news .special-card__figure .figure__frame{overflow:hidden;border:1px solid var(--news-line);background:var(--paper-2);}
.page-news .special-card__figure img{display:block;width:100%;height:auto;object-fit:cover;}
.page-news .special-card__figure .figure__cap{
  margin-top:7px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.03em;color:var(--sage);
}

/* ---------- 维护节奏 ---------- */
.page-news .page-news__cadence{
  background:var(--ink);
  color:var(--paper);
  padding:clamp(30px,5vw,54px) 0 clamp(34px,5.5vw,62px);
}
.page-news .page-news__cadence-grid{display:grid;gap:clamp(22px,4vw,44px);}
@media (min-width:900px){
  .page-news .page-news__cadence-grid{
    grid-template-columns:minmax(0,5fr) minmax(0,7fr);
    align-items:start;
    column-gap:clamp(30px,5vw,70px);
  }
}
.page-news .page-news__cadence .eyebrow{color:var(--gold);}
.page-news .page-news__cadence-lead h2{
  margin:12px 0 0;
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(1.5rem,3.4vw,2.2rem);line-height:1.15;color:var(--paper);
}
.page-news .page-news__cadence-lead p{
  margin:14px 0 0;max-width:44ch;
  font-size:14.5px;line-height:1.7;color:rgba(247,242,230,.78);
}
.page-news .page-news__cadence-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.page-news .page-news__cadence-note{
  margin:16px 0 0;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;
  color:rgba(247,242,230,.55);
}
.page-news .page-news__cadence-note a{
  color:var(--gold-light);text-decoration:none;
  border-bottom:1px solid rgba(232,214,164,.45);
}
.page-news .page-news__cadence-note a:hover{border-bottom-color:var(--gold-light);}

.page-news .page-news__cadence-list{
  list-style:none;margin:0;padding:0;
  border-top:1px solid var(--hairline-light);
}
.page-news .page-news__cadence-list li{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 16px;
  padding:16px 0;border-bottom:1px solid var(--hairline-light);
}
.page-news .page-news__cadence-num{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  color:var(--gold);padding-top:2px;
}
.page-news .page-news__cadence-list h3{
  margin:0 0 6px;font-family:var(--font-display);font-weight:900;
  font-size:15.5px;line-height:1.35;color:var(--paper);
}
.page-news .page-news__cadence-list p{
  margin:0;font-size:14px;line-height:1.65;color:rgba(247,242,230,.76);
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion:reduce){
  .page-news .log-item__head,
  .page-news .log-track__item,
  .page-news .breadcrumb a{transition:none;}
}