:root{--h:265;--ah:42;--sat:81%;--lit:57%;--radius:21px;--space:1;--max:999px;--bg:hsl(var(--h) 34% 8%);--panel:hsl(var(--h) 25% 13%);--ink:hsl(var(--h) 20% 96%);--muted:hsl(var(--h) 14% 70%);--accent:hsl(var(--ah) var(--sat) var(--lit));--line:hsl(var(--h) 20% 28%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif}body.light{--bg:hsl(var(--h) 35% 96%);--panel:white;--ink:hsl(var(--h) 35% 11%);--muted:hsl(var(--h) 12% 38%);--line:hsl(var(--h) 18% 82%)}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}.shell{width:min(var(--max),92vw);margin:auto}.topbar{display:flex;align-items:center;gap:22px;padding:20px 0;border-bottom:1px solid var(--line);position:relative;z-index:4}.brand{font-weight:900;letter-spacing:.06em;margin-right:auto}.nav{display:flex;gap:18px;align-items:center}.nav a,.tool{color:var(--muted)}.tool{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:7px 11px}.nav-toggle{display:none;align-items:center;justify-content:center;line-height:1}.nav-backdrop{display:none;position:fixed;inset:0;background:#0008;z-index:15}.nav-backdrop.open{display:block}.hero{position:relative;display:grid;gap:clamp(28px,5vw,70px);align-items:center;padding:calc(54px * var(--space)) 0;overflow:hidden}.hero-copy{position:relative}.eyebrow,.kicker{color:var(--accent);font-weight:800;letter-spacing:.15em;text-transform:uppercase}h1{font-size:clamp(38px,5.2vw,70px);line-height:1.08;letter-spacing:-.035em;margin:14px 0 22px;overflow-wrap:anywhere}h2{line-height:1.25}.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:780px}.hero-art{min-height:360px;border:1px solid var(--line);border-radius:calc(var(--radius) + 12px);background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 22%,transparent),var(--panel));overflow:hidden;display:grid;place-items:center;position:relative}.hero-art img{width:100%;height:100%;object-fit:cover}.section{padding:calc(44px * var(--space)) 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head p,.muted{color:var(--muted)}.cards{display:grid;gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:calc(25px * var(--space));transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-3px);border-color:var(--accent)}.card-index{font-weight:900;color:var(--accent)}.card p{color:var(--muted)}.article{width:min(760px,92vw);margin:auto;padding:56px 0}.article h1{font-size:clamp(34px,5vw,58px)}.article-figure{margin:24px 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}.article-figure img{width:100%;display:block;object-fit:cover;max-height:420px}.article-body{font-size:18px}.article-body p{margin:1.2em 0}.crumbs{color:var(--muted);font-size:14px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0}.button{display:inline-block;background:var(--accent);color:hsl(var(--h) 40% 8%);border:0;border-radius:999px;padding:10px 17px;font-weight:800}.button.secondary{background:var(--panel);color:var(--ink);border:1px solid var(--line)}details{padding:16px 0;border-bottom:1px solid var(--line)}summary{font-weight:750;cursor:pointer}.search-layer{position:fixed;inset:0;background:#000b;z-index:20;display:none;padding:8vh 5vw}.search-layer.open{display:block}.search-box{max-width:760px;margin:auto;background:var(--panel);border:1px solid var(--line);padding:24px;border-radius:var(--radius)}.search-box input,.form input,.form textarea{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:12px}.result{display:block;padding:14px 0;border-bottom:1px solid var(--line)}.form{display:grid;gap:14px;max-width:680px}.form label{display:grid;gap:5px}.hp{position:absolute;left:-9999px}footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);margin-top:50px}.hero{grid-template-columns:.72fr 1.28fr}.hero-copy{order:2}.cards{grid-template-columns:repeat(2,1fr)}.card:first-child{grid-row:span 2}
.card,.hero-art{background:linear-gradient(145deg,#ffffff15,#ffffff06);backdrop-filter:blur(18px)}
h1,h2,.brand{font-family:"Arial Narrow","Microsoft YaHei",system-ui,sans-serif}h1{font-size:clamp(36px,4.3vw,58px);line-height:1.1;letter-spacing:-.025em}
@media(max-width:800px){.nav-toggle{display:inline-flex}.nav{position:fixed;top:0;right:-100%;bottom:0;width:min(80vw,320px);flex-direction:column;align-items:flex-start;gap:22px;padding:88px 26px 26px;background:var(--panel);border-left:1px solid var(--line);transition:right .25s ease;z-index:16}.nav.open{right:0}.nav a{display:block;font-size:16px}.hero,.cards,.card{grid-template-columns:1fr!important}.card{grid-column:auto!important;transform:none!important}.hero-art{min-height:260px;position:relative}h1{font-size:clamp(32px,9vw,46px)}}

/* AI-generated per-site template layer */
body{
  margin:0;
  background:#0F1115;
  color:#D1D5DB;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.6;
  letter-spacing:.01em;
}
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:10px 24px;
  background:rgba(15,17,21,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand{
  font-family:"Arial Narrow","Roboto Condensed",sans-serif;
  font-weight:700;
  font-size:20px;
  letter-spacing:-.02em;
  color:#4ADE80;
  white-space:nowrap;
}
.nav{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}
.nav a{
  color:#9CA3AF;
  text-decoration:none;
  font-size:14px;
  padding:6px 10px;
  border-radius:8px;
  transition:color .25s,background .25s,transform .25s;
}
.nav a:hover{
  color:#E5E7EB;
  background:rgba(255,255,255,.05);
  transform:translateY(-1px);
}
.hero{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:28px;
  align-items:center;
  max-width:1200px;
  margin:0 auto;
  padding:36px 24px 48px;
}
.hero-copy{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-top:2px solid rgba(74,222,128,.5);
  border-radius:12px;
  padding:28px;
  box-shadow:0 8px 32px rgba(0,0,0,.4);
}
.hero-copy h1{
  font-family:"Arial Narrow","Roboto Condensed",sans-serif;
  font-size:38px;
  line-height:1.1;
  letter-spacing:-.02em;
  margin:0 0 10px;
  color:#E5E7EB;
}
.hero-copy p{
  margin:0 0 20px;
  color:#9CA3AF;
  font-size:15px;
}
.hero-art{
  border-radius:12px;
  background:linear-gradient(135deg,rgba(28,32,39,.9),rgba(24,27,34,.6));
  border:1px solid rgba(255,255,255,.08);
  min-height:280px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  color:#4ADE80;
  font-size:28px;
  letter-spacing:.05em;
  position:relative;
}
.hero-art::after{
  content:"2-1";
  font-size:56px;
  font-weight:700;
  opacity:.85;
}
.section{
  max-width:1200px;
  margin:0 auto;
  padding:24px;
}
.section h2{
  font-family:"Arial Narrow","Roboto Condensed",sans-serif;
  font-size:26px;
  letter-spacing:-.02em;
  color:#E5E7EB;
  margin:0 0 20px;
  border-left:3px solid #22C55E;
  padding-left:12px;
}
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:20px;
}
.card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  border-top:2px solid rgba(74,222,128,.35);
  border-radius:12px;
  padding:20px;
  transition:transform .28s,border-color .28s,background .28s;
}
.card:hover{
  transform:translateY(-4px);
  border-top-color:#4ADE80;
  background:rgba(255,255,255,.07);
}
.card h3{
  font-family:"Arial Narrow","Roboto Condensed",sans-serif;
  font-size:19px;
  letter-spacing:-.02em;
  color:#E5E7EB;
  margin:0 0 8px;
}
.card p{
  margin:0;
  color:#9CA3AF;
  font-size:14px;
  line-height:1.5;
}
.article{
  max-width:920px;
  margin:0 auto;
  padding:28px 24px 64px;
}
.article-body{
  max-width:700px;
  margin:0 auto;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;
  padding:36px;
}
.article-body h2{
  font-family:"Arial Narrow","Roboto Condensed",sans-serif;
  font-size:30px;
  line-height:1.2;
  letter-spacing:-.02em;
  color:#E5E7EB;
  margin:28px 0 14px;
}
.article-body p{
  margin:0 0 1em;
  font-size:16.5px;
  line-height:1.7;
  color:#D1D5DB;
}
.article-body code{
  font-family:ui-monospace,monospace;
  color:#4ADE80;
  background:rgba(74,222,128,.08);
  padding:2px 6px;
  border-radius:4px;
}
.lead{
  font-size:18px;
  line-height:1.7;
  color:#9CA3AF;
  margin:0 0 24px;
  padding-bottom:16px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.button{
  display:inline-block;
  padding:10px 22px;
  border-radius:10px;
  font-size:14px;
  font-weight:600;
  text-decoration:none;
  letter-spacing:.02em;
  transition:transform .25s,box-shadow .25s,background .25s;
  margin-right:10px;
}
.button{
  background:#22C55E;
  color:#0F1115;
  box-shadow:0 4px 16px rgba(34,197,94,.25);
}
.button:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 24px rgba(34,197,94,.4);
  background:#4ADE80;
}
footer{
  border-top:1px solid rgba(255,255,255,.08);
  background:#181B22;
  color:#9CA3AF;
  font-size:13px;
  padding:28px 24px;
  text-align:center;
}
footer a{
  color:#9CA3AF;
  text-decoration:none;
  margin:0 8px;
}
footer a:hover{
  color:#4ADE80;
}
@media(max-width:768px){
  .topbar{
    padding:8px 14px;
    gap:8px;
    flex-wrap:wrap;
  }
  .brand{
    font-size:17px;
  }
  .nav{
    gap:4px;
    overflow-x:auto;
    flex-wrap:nowrap;
    width:100%;
    padding-bottom:2px;
  }
  .nav a{
    font-size:13px;
    padding:5px 8px;
    white-space:nowrap;
  }
  .hero{
    grid-template-columns:1fr;
    padding:20px 14px 28px;
    gap:16px;
  }
  .hero-copy{
    padding:20px;
  }
  .hero-copy h1{
    font-size:28px;
  }
  .hero-copy p{
    font-size:14px;
  }
  .hero-art{
    min-height:160px;
  }
  .hero-art::after{
    font-size:36px;
  }
  .section{
    padding:16px 14px;
  }
  .section h2{
    font-size:22px;
  }
  .cards{
    grid-template-columns:1fr;
    gap:14px;
  }
  .card{
    padding:16px;
  }
  .article{
    padding:14px 14px 40px;
  }
  .article-body{
    padding:20px;
  }
  .article-body h2{
    font-size:22px;
  }
  .article-body p{
    font-size:16px;
    line-height:1.65;
  }
  .lead{
    font-size:16px;
  }
  .button{
    padding:9px 18px;
    font-size:13px;
  }
}
@media(max-width:480px){
  .hero-copy{
    padding:16px;
  }
  .hero-copy h1{
    font-size:24px;
  }
  .article-body{
    padding:16px;
    border-radius:10px;
  }
  .button{
    display:block;
    margin:0 0 10px;
    text-align:center;
  }
}