:root{--h:214;--ah:354;--sat:68%;--lit:49%;--radius:13px;--space:1.25;--max:980px;--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{min-height:70vh;grid-template-columns:1fr}.hero-copy{max-width:880px;z-index:2}.hero-art{position:absolute;inset:0;z-index:0;opacity:.46}.cards{grid-template-columns:repeat(3,1fr)}
.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: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{
  background:#14161A;
  color:#C8CCD4;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:11pt;
  line-height:1.68;
  letter-spacing:.01em;
}
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 32px;
  background:rgba(20,22,26,.94);
  border-bottom:1px solid #22262E;
  backdrop-filter:none;
}
.brand{
  font-family:"Agency FB","Arial Narrow",Impact,sans-serif;
  font-size:20px;
  font-weight:700;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:#E6E8EC;
}
.brand::before{
  content:"16";
  color:#2ECC71;
  font-size:1.35em;
  margin-right:8px;
  vertical-align:baseline;
}
.nav{
  display:flex;
  gap:24px;
  font-size:13px;
  letter-spacing:.03em;
}
.nav a{
  color:#8A909A;
  text-decoration:none;
  padding-bottom:4px;
  border-bottom:2px solid transparent;
  transition:color .2s,border-color .2s;
}
.nav a:hover,.nav a[aria-current="page"]{
  color:#2ECC71;
  border-bottom-color:#2ECC71;
}
.hero{
  position:relative;
  min-height:62vh;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
  padding:56px 32px 40px;
  border-bottom:1px solid #1B1E24;
  background:
    linear-gradient(180deg,#14161A 0%,#16181D 100%);
}
.hero::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:3px;
  background:linear-gradient(90deg,#2ECC71 0 40%,#22262E 40%);
}
.hero-copy h1{
  font-family:"Agency FB","Arial Narrow",Impact,sans-serif;
  font-size:clamp(34px,5.2vw,58px);
  font-weight:700;
  line-height:1.05;
  letter-spacing:.01em;
  color:#F0F2F5;
  margin:0 0 14px;
  text-transform:none;
}
.hero-copy h1 .num{
  color:#2ECC71;
  font-size:1.18em;
  font-weight:800;
}
.hero-copy .lead{
  color:#7E848E;
  font-size:15px;
  margin-bottom:18px;
  border-left:3px solid #2ECC71;
  padding-left:12px;
}
.hero-copy p{
  color:#AEB3BC;
  max-width:44ch;
  margin:0 0 24px;
}
.hero-copy .button{
  display:inline-block;
  font-size:13px;
  letter-spacing:.05em;
  color:#2ECC71;
  background:#1B1E24;
  border:1px solid #2ECC71;
  padding:10px 18px;
  border-radius:5px;
  text-decoration:none;
  margin-right:14px;
  transition:background .2s,color .2s;
}
.hero-copy .button:hover{
  background:#2ECC71;
  color:#14161A;
}
.hero-art{
  position:relative;
  border:1px solid #22262E;
  border-radius:6px;
  background:#181B20;
  padding:24px;
  min-height:260px;
}
.hero-art::after{
  content:"";
  position:absolute;
  inset:12px;
  border:1px dashed #2ECC71;
  opacity:.18;
  border-radius:3px;
}
.hero-art .bracket{
  display:grid;
  grid-template-columns:1fr 1fr 1fr 1fr;
  gap:10px;
  font-size:11px;
}
.hero-art .pair{
  border-left:2px solid #2ECC71;
  padding-left:8px;
  color:#C8CCD4;
}
.hero-art .pair b{color:#2ECC71;font-weight:600}
.section{
  padding:42px 32px;
  border-bottom:1px solid #1B1E24;
}
.section h2{
  font-family:"Agency FB","Arial Narrow",Impact,sans-serif;
  font-size:26px;
  letter-spacing:.05em;
  color:#E6E8EC;
  margin:0 0 6px;
}
.section h2::after{
  content:"";
  display:block;
  width:36px;
  height:2px;
  background:#2ECC71;
  margin-top:8px;
}
.section h3{
  font-family:"Agency FB","Arial Narrow",Impact,sans-serif;
  font-size:18px;
  color:#D0D4DC;
  letter-spacing:.03em;
}
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:24px;
}
.card{
  background:#1B1E24;
  border:1px solid #22262E;
  border-radius:6px;
  padding:20px 18px;
  transition:border-color .2s;
}
.card:hover{border-color:#2ECC71}
.card .tag{
  display:inline-block;
  font-size:10px;
  letter-spacing:.08em;
  padding:3px 8px;
  border-radius:3px;
  color:#C8CCD4;
  background:#22262E;
  margin-bottom:10px;
}
.card .tag.t{color:#4A6FE3;background:rgba(74,111,227,.14)}
.card .tag.o{color:#FF8C42;background:rgba(255,140,66,.14)}
.card .tag.r{color:#E84545;background:rgba(232,69,69,.14)}
.card .tag.g{color:#2ECC71;background:rgba(46,204,113,.14)}
.card h3{
  font-family:"Agency FB","Arial Narrow",Impact,sans-serif;
  font-size:17px;
  color:#E6E8EC;
  margin:6px 0 8px;
}
.card p{color:#8A909A;font-size:13px;margin:0}
.card .date{color:#565B65;font-size:11px;margin-top:10px}
.article{
  padding:28px 24px 60px;
}
.article .crumb{
  font-size:12px;
  color:#565B65;
  margin-bottom:20px;
}
.article .crumb a{color:#8A909A;text-decoration:none}
.article .crumb a:hover{color:#2ECC71}
.article h1{
  font-family:"Agency FB","Arial Narrow",Impact,sans-serif;
  font-size:clamp(28px,3.6vw,40px);
  color:#F0F2F5;
  margin:0 0 10px;
  letter-spacing:.02em;
}
.article .meta{
  font-size:12px;
  color:#7E848E;
  border-top:1px solid #22262E;
  border-bottom:1px solid #22262E;
  padding:8px 0;
  margin-bottom:24px;
}
.article-body{
  max-width:72ch;
  margin:0 auto;
  font-size:11pt;
  line-height:1.75;
  color:#C0C4CC;
}
.article-body h2{
  font-family:"Agency FB","Arial Narrow",Impact,sans-serif;
  font-size:20px;
  color:#E6E8EC;
  margin:30px 0 12px;
  padding-left:12px;
  border-left:3px solid #2ECC71;
  letter-spacing:.04em;
}
.article-body h3{
  font-family:"Agency FB","Arial Narrow",Impact,sans-serif;
  font-size:16px;
  color:#D0D4DC;
  margin:22px 0 8px;
}
.article-body p{margin:0 0 18px}
.article-body blockquote{
  border-left:3px solid #4A6FE3;
  background:#1B1E24;
  padding:14px 18px;
  color:#AEB3BC;
  margin:20px 0;
  border-radius:0 4px 4px 0;
  font-size:14px;
}
.article-body .datapoint{
  background:#181B20;
  border:1px solid #22262E;
  border-top:2px solid #2ECC71;
  padding:16px 18px;
  margin:24px 0;
  border-radius:5px;
}
.article-body .datapoint b{color:#2ECC71;font-size:1.05em}
.article-body a{
  color:#2ECC71;
  text-decoration:none;
  border-bottom:1px solid rgba(46,204,113,.4);
}
.article-body ul{
  padding-left:20px;
  color:#AEB3BC;
}
.article-body ul li{margin-bottom:6px}
.article-body .conclusion{
  background:#1B1E24;
  border-left:4px solid #FF8C42;
  padding:18px 22px;
  margin:30px 0;
  border-radius:0 5px 5px 0;
}
.article-body .related{
  border-top:1px solid #22262E;
  padding-top:18px;
  margin-top:36px;
}
.article-body .related a{
  display:block;
  margin:6px 0;
  border-bottom:none;
}
footer{
  background:#111317;
  padding:32px;
  border-top:1px solid #22262E;
  font-size:12px;
  color:#7E848E;
}
footer a{
  color:#AEB3BC;
  text-decoration:none;
  margin-right:18px;
}
footer a:hover{color:#2ECC71}
footer .links{margin-bottom:14px}
footer .copyright{color:#565B65;font-size:11px}
.button.secondary{
  border-color:#4A6FE3;
  color:#4A6FE3;
}
.button.secondary:hover{
  background:#4A6FE3;
  color:#14161A;
}
@media(max-width:768px){
  .topbar{padding:10px 16px}
  .brand{font-size:16px}
  .nav{
    display:none;
    position:absolute;
    top:48px;left:0;right:0;
    flex-direction:column;
    background:#181B20;
    border-bottom:1px solid #22262E;
    padding:14px 16px;
    gap:12px;
  }
  .nav.open{display:flex}
  .hero{
    grid-template-columns:1fr;
    min-height:auto;
    padding:32px 16px 28px;
    gap:24px;
  }
  .hero-copy h1{font-size:30px}
  .hero-art{min-height:180px;padding:16px}
  .hero-art .bracket{grid-template-columns:1fr 1fr}
  .section{padding:28px 16px}
  .cards{grid-template-columns:1fr}
  .article{padding:20px 14px 40px}
  .article-body{font-size:10.5pt;line-height:1.7}
  footer{padding:24px 16px}
  footer a{display:block;margin:5px 0}
}
@media(max-width:480px){
  .hero-copy .button{display:block;margin:0 0 10px;text-align:center}
  .hero-art{min-height:140px}
  .hero-art .bracket{grid-template-columns:1fr}
}