:root{--h:310;--ah:156;--sat:54%;--lit:61%;--radius:17px;--space:.82;--max:1078px;--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}.shell{max-width:1380px}.hero{grid-template-columns:1fr}.hero-art{min-height:52vw;max-height:620px}.cards{grid-template-columns:repeat(3,1fr)}
.card,.hero-art{background:transparent;border-width:2px}.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: radial-gradient(ellipse 1200px 600px at 50% -10%, #23282C 0%, #1A1C1E 55%, #0E1011 100%);
  color: #C0C0C0;
  font-family: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.65;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(18,20,22,0.72);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  height: 64px;
  transition: height .28s ease, background .28s ease;
}
.topbar.is-scrolled { height: 48px; background: rgba(12,14,15,0.9); }

.brand {
  font-family: "Oswald","Agency FB", Impact, sans-serif;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: #F5F5F7;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.brand::before {
  content: "";
  width: 11px; height: 11px;
  background: #00FF87;
  box-shadow: 0 0 14px rgba(0,255,135,0.75);
}

.nav a {
  color: #B5B7BA;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 13px;
  border-bottom: 2px solid transparent;
  transition: color .18s, border-color .18s;
}
.nav a:hover { color: #F5F5F7; }
.nav a.is-active { color: #00FF87; border-bottom-color: #00FF87; }

.hero {
  display: grid;
  grid-template-columns: 7fr 3fr;
  gap: 18px;
  padding: 26px 0 18px;
  align-items: stretch;
}

.hero-copy {
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(34,37,42,0.55);
  border-radius: 4px;
  padding: 28px 32px;
  position: relative;
  overflow: hidden;
}
.hero-copy::before {
  content: "";
  position: absolute; top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, #00FF87, rgba(0,255,135,0));
}
.hero-copy h1 {
  font-family: "Oswald","Agency FB", Impact, sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  font-size: 36px;
  line-height: 1.06;
  color: #F5F5F7;
  margin: 0 0 6px;
}
.hero-copy .score {
  font-family: "Oswald", Impact, sans-serif;
  font-variant-numeric: tabular-nums;
  font-size: 52px;
  line-height: 1;
  color: #00FF87;
  animation: breathe 2.6s ease-in-out 1;
}
@keyframes breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.82; }
}
.hero-copy .bar {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}
  display: block; height: 100%;
  background: linear-gradient(90deg, #00FF87, rgba(0,255,135,0.35));
}
.hero-copy .demo-tag {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-art {
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(34,37,42,0.5);
  border-radius: 4px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}
.hero-art h3 {
  font-family: "Oswald", Impact, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 13px;
  color: #7FFFC1;
  margin: 0 0 10px;
}
.hero-art .quick {
  padding: 11px 0;
  border-top: 1