:root{--h:216;--ah:184;--sat:78%;--lit:50%;--radius:23px;--space:1;--max:1149px;--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:1fr 1fr}.cards{display:grid;grid-template-columns:repeat(12,1fr)}.card{grid-column:span 4}.card:nth-child(1),.card:nth-child(4){grid-column:span 7}.card:nth-child(2),.card:nth-child(5){grid-column:span 5}
.card{border-width:1px 0 0;border-radius:0;background:transparent}.hero-art{border-radius:0}
h1,h2,.brand{font-family:Inter,system-ui,"Microsoft YaHei",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 */
:root{
  --ink:#050b14;--ink-2:#0a1828;--ink-3:#0f2238;
  --neon:#6b5bff;--neon-2:#a855f7;--cyan:#22d3ee;
  --text:#e6edf6;--muted:#8a9bb3;--line:rgba(148,163,184,.14);
  --glow:0 0 0 1px rgba(107,91,255,.28),0 18px 40px -20px rgba(107,91,255,.45);
}
*{box-sizing:border-box}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.7;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:24px;
  padding:14px clamp(16px,5vw,64px);
  background:rgba(5,11,20,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{
  font-weight:800;letter-spacing:.04em;font-size:16px;
  text-transform:uppercase;white-space:nowrap;
  background:linear-gradient(90deg,var(--cyan),var(--neon-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{
  color:var(--muted);text-decoration:none;font-size:14px;font-weight:600;
  padding:8px 14px;border-radius:8px;transition:.25s;position:relative;
}
.nav a:hover{color:var(--text);background:rgba(107,91,255,.12)}
.nav a[aria-current]{color:var(--cyan)}
.nav a[aria-current]::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--neon));border-radius:2px;
}
.hero{
  position:relative;min-height:88vh;
  display:grid;place-items:center;overflow:hidden;
  background:radial-gradient(120% 80% at 50% 0%,#0f2238 0%,#050b14 70%);
}
.hero::before{
  content:"";position:absolute;inset:-20%;
  background:
    radial-gradient(40% 50% at 20% 30%,rgba(107,91,255,.45),transparent 60%),
    radial-gradient(45% 55% at 80% 60%,rgba(168,85,247,.35),transparent 60%),
    radial-gradient(30% 40% at 55% 18%,rgba(34,211,238,.28),transparent 60%);
  filter:blur(40px);animation:flow 16s ease-in-out infinite alternate;
}
@keyframes flow{
  0%{transform:translate(-4%,-3%) rotate(0deg)}
  100%{transform:translate(5%,4%) rotate(8deg)}
}
.hero-copy{
  position:relative;z-index:2;max-width:760px;margin:0 auto;
  padding:clamp(80px,12vh,140px) clamp(20px,5vw,48px);text-align:center;
}
.hero-copy h1{
  font-size:clamp(34px,6vw,68px);line-height:1.05;margin:0 0 18px;
  font-weight:900;letter-spacing:-.02em;
  background:linear-gradient(120deg,#fff 30%,var(--cyan) 60%,var(--neon-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-copy p{color:var(--muted);font-size:clamp(15px,2vw,18px);margin:0 0 28px}
.hero-art{
  position:absolute;inset:0;z-index:1;opacity:.5;
  background:linear-gradient(180deg,transparent,rgba(5,11,20,.92) 92%);
  pointer-events:none;
}
.section{
  max-width:1200px;margin:0 auto;
  padding:clamp(48px,8vw,96px) clamp(20px,5vw,48px);
}
.section h2{
  font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:-.01em;margin:0 0 6px;
}
.section h2 + p{color:var(--muted);margin:0 0 36px;font-size:15px}
.cards{
  display:grid;gap:20px;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
}
.card{
  background:linear-gradient(160deg,rgba(15,34,56,.7),rgba(10,24,40,.5));
  border:1px solid var(--line);border-radius:14px;padding:22px;
  transition:.3s cubic-bezier(.2,.7,.2,1);cursor:pointer;
  position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--neon),transparent);
  opacity:0;transition:.3s;
}
.card:hover{
  transform:translateY(-6px);border-color:rgba(107,91,255,.