:root{--h:310;--ah:156;--sat:70%;--lit:50%;--radius:25px;--space:1;--max:1132px;--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:1.25fr .75fr}.cards{grid-template-columns:repeat(4,1fr)}.card:first-child,.card:last-child{grid-column:span 2}
.card{border-width:1px 0 0;border-radius:0;background:transparent}.hero-art{border-radius:0}.topbar{align-items:flex-start}.nav{border-left:1px solid var(--line);padding-left:20px}
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 */
body {
  margin: 0;
  background: #0d1521;
  background-image: radial-gradient(1200px 600px at 75% -8%, rgba(109,92,255,.20), transparent 60%),
    radial-gradient(900px 520px at 0% 110%, rgba(0,212,255,.10), transparent 55%);
  color: #e6ecf5;
  font-family: "Segoe UI","Helvetica Neue","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: .01em;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 28px;
  background: rgba(13,21,33,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(109,92,255,.22);
}
.brand {
  font-weight: 800;
  font-size: 17px;
  letter-spacing: .04em;
  white-space: nowrap;
  background: linear-gradient(95deg,#6d5cff,#00d4ff);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-wrap: wrap;
}
.nav a,.nav span {
  padding: 7px 13px;
  border-radius: 9px;
  color: #aeb9d0;
  font-size: 14px;
  text-decoration: none;
  transition: color .2s,background .2s;
}
.nav a:hover,.nav .active {
  color: #fff;
  background: rgba(109,92,255,.20);
}
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr .9fr;
  gap: 32px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 52px 28px 36px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto auto;
  width: 60%;
  height: 140%;
  background: conic-gradient(from 220deg at 60% 40%, rgba(109,92,255,.22), rgba(0,212,255,.14), transparent 55%);
  filter: blur(46px);
  pointer-events: none;
  animation: flow 20s linear infinite;
}
@keyframes flow { to { transform: rotate(360deg); } }
.hero-copy { position: relative; z-index: 2; }
.hero-copy h1 {
  font-size: clamp(28px,4vw,44px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 0 0 16px;
}
.hero-copy h1 span,.hero-copy .accent {
  background: linear-gradient(95deg,#6d5cff,#00d4ff);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}
.lead {
  font-size: 17px;
  color: #aeb9d0;
  max-width: 58ch;
  margin: 0 0 24px;
  line-height: 1.7;
}
.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(95deg,#6d5cff,#4a7bff);
  border: 1px solid rgba(0,212,255,.35);
  text-decoration: none;
  transition: transform .2s,box-shadow .2s;
}
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(109,92,255,.38);
}
.button.alt {
  background: transparent;
  border-color: rgba(174,185,208,.32);
  color: #aeb9d0;
}
.hero-art {
  position: relative;
  z-index: 2;
  border-radius: 14px;
  background: linear-gradient(160deg, rgba(26,36,53,.9), rgba(13,21,33,.55));
  border: 1px solid rgba(109,92,255,.25);
  padding: 14px;
  min-height: 260px;
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}
.section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 38px 28px;
}
.section h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .02em;
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 3px solid;
  border-image: linear-gradient(180deg,#6d5cff,#00d4ff) 1;