:root{
  --a0043-bg:#fbf7f2;
  --a0043-surface:#ffffff;
  --a0043-ink:#1f2937;
  --a0043-muted:#6b7280;
  --a0043-accent:#7c3aed;
  --a0043-accent2:#06b6d4;
  --a0043-border:rgba(17,24,39,.10);
}

html,body{height:100%;}
body.theme-a0043{background:var(--a0043-bg);color:var(--a0043-ink);padding-bottom:72px;}

.hero{padding:14px 16px 0;}
.hero-inner{max-width:1120px;margin:0 auto;display:flex;gap:14px;align-items:center;justify-content:space-between;}
#logo img{height:34px;width:auto;display:block;}

.previews{max-width:1120px;margin:10px auto 0;padding:0 16px;}
.swiper{border-radius:14px;border:1px solid var(--a0043-border);background:rgba(255,255,255,.75);} 
.swiper-slide{padding:14px;}
.preview-card{border-left:4px solid var(--a0043-accent2);padding-left:12px;}
.preview-card a{color:var(--a0043-ink);text-decoration:none;font-weight:700;}
.preview-card small{color:var(--a0043-muted);} 

.timelinewrap{max-width:1120px;margin:16px auto 0;padding:0 16px;display:grid;gap:16px;grid-template-columns:minmax(0,1fr) 320px;}
.timeline{
  background:var(--a0043-surface);
  border:1px solid var(--a0043-border);
  border-radius:16px;
  padding:18px;
  position:relative;
  min-height:52vh;
}
.timeline:before{content:"";position:absolute;left:22px;top:18px;bottom:18px;width:2px;background:linear-gradient(var(--a0043-accent), var(--a0043-accent2));opacity:.55;}
.timeline .doc{margin-left:34px;}
.timeline .doc h1,.timeline .doc h2,.timeline .doc h3{scroll-margin-top:88px;}

.quick{background:rgba(255,255,255,.75);border:1px solid var(--a0043-border);border-radius:16px;padding:14px;}
.quick a{display:block;padding:10px 10px;border-radius:12px;color:var(--a0043-ink);text-decoration:none;}
.quick a:hover{background:rgba(124,58,237,.08);} 
.quick .active{background:rgba(124,58,237,.12);} 

.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  background:rgba(255,255,255,.92);
  border-top:1px solid var(--a0043-border);
  backdrop-filter:saturate(1.2) blur(10px);
}
.tabbar .tabs{max-width:1120px;margin:0 auto;padding:10px 12px;display:flex;gap:10px;overflow:auto;}
.tabbar a{white-space:nowrap;display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;color:var(--a0043-ink);text-decoration:none;border:1px solid transparent;}
.tabbar a:hover{background:rgba(6,182,212,.10);} 
.tabbar a[aria-current="page"]{border-color:rgba(124,58,237,.30);background:rgba(124,58,237,.10);} 

@media (max-width: 980px){
  .timelinewrap{grid-template-columns:1fr;}
}

#footer .container{max-width:1120px;margin:0 auto;padding:18px 16px;color:var(--a0043-muted);} 
.sr-only{position:absolute;left:-9999px;}