:root{--h:37;--ah:232;--sat:80%;--lit:50%;--radius:8px;--space:.82;--max:1081px;--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,.hero-art{background:var(--panel);box-shadow:0 18px 50px #0003}.topbar{margin-top:16px;padding:14px 18px;border:1px solid var(--line);border-radius:999px;background:var(--panel)}
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 {
  background: linear-gradient(180deg, #0d1117 0%, #111827 100%);
  color: #b8c0cc;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.72;
  margin: 0;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 17, 23, 0.88);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(214, 201, 168, 0.2);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  font-size: 17px;
  color: #ffffff;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 18px;
  margin-right: 10px;
  vertical-align: -3px;
  background: linear-gradient(180deg, #4f46e5, #7c3aed);
  border-radius: 2px;
}

.nav {
  display: flex;
  gap: 22px;
  align-items: center;
  font-size: 14px;
  flex-wrap: wrap;
}

.nav a {
  color: #b8c0cc;
  text-decoration: none;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav a:hover {
  color: #ffffff;
  border-bottom-color: #7c3aed;
}

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 26px 24px 30px;
  display: grid;
  grid-template-columns: 40% 60%;
  gap: 24px;
  align-items: start;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-copy h1 {
  color: #ffffff;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.03em;
  margin: 0;
}

.hero-copy h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #7c3aed, #4f46e5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  color: #b8c0cc;
  font-size: 15px;
  line-height: 1.72;
  margin: 0;
  padding: 2px 0 2px 14px;
  border-left: 3px solid #7c3aed;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(90deg, #4f46e5, #7c3aed);
  text-decoration: none;
  border-radius: 6px;
  border: 1px solid rgba(214, 201, 168, 0.15);
  transition: transform 0.15s, box-shadow 0.15s;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(124, 58, 237, 0.42);
}

.button.ghost {
  background: transparent;
  border: 1px solid rgba(214, 201, 168, 0.45);
  color: #d6c9a8;
}

.hero-art {
  border: 1px solid rgba(214, 201, 168, 0.2);
  background: #161b27;
  border-radius: 8px;
  min-height: 200px;
  position: relative;
  overflow: hidden;
}

.hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 25% 35%, rgba(79, 70, 229, 0.42), transparent 55%),
    radial-gradient(circle at 78% 70%, rgba(124, 58, 237, 0.38), transparent 55%),
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(214, 201, 168, 0.05) 14px 15px),
    repeating-linear-gradient(-45deg, transparent 0 22px, rgba(124, 58, 237, 0.06) 22px 23px);
}

.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.section h2 {
  color: #ffffff;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  position: relative;
  padding-left: 14px;
}

.section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 5px;
  height: 22px;
  background: linear-gradient(180deg, #4f46e5, #7c3aed);
  border-radius: 2px;
}

.cards {
  display: grid;
  gap: 16px;
}

.cards.mosaic {
  grid-template-columns: repeat(4, 1fr);
}

.cards.stack {
  grid-template-columns: 1fr;
}

.card {
  background: #161b27;
  border: 1px solid rgba(214, 201, 168, 0.2);
  border-radius: 8px;
  padding: 18px;
  transition: border-color 0.2s, transform 0.2s;
  position: relative;
}

.card:hover {
  border-color: rgba(124, 58, 237, 0.55);
  transform: translateY(-2px);
}

.card::before {
  content: "";
  display: block;
  width: 36px;
  height: 4px;
  margin-bottom: 12px;
  background: linear-gradient(90deg, #4f46e5, #7c3aed);
  border-radius: 2px;
}

.card h3 {
  color: #ffffff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.card p {
  color: #b8c0cc;
  font-size: 13.5px;
  line-height: 1.68;
  margin: 0 0 12px;
}

.card .meta {
  color: rgba(214, 201, 168, 0.72);