:root{
  --bg:#0F141A;
  --bg-rgb:15, 20, 26;
  --surface:#171F2A;
  --surface-rgb:23, 31, 42;
  --text:#F4F7FF;
  --text-rgb:244, 247, 255;
  --muted:#ADB7D0;
  --muted-rgb:173, 183, 208;
  --primary:#F59E0B;
  --primary-rgb:245, 158, 11;
  --secondary:#60A5FA;
  --secondary-rgb:96, 165, 250;
  --accent:#22C55E;
  --accent-rgb:34, 197, 94;
  --border:#2A3A52;
  --border-rgb:42, 58, 82;
  --ring: var(--primary);
  --radius-sm:10px;
  --radius:15px;
  --radius-lg:20px;
  --shadow: 0 14px 28px rgba(0,0,0,0.16);
  --outline:1px;
  --motion:180ms;
  --font-body:"Inter Tight", "Noto Sans SC", ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif;
  --font-display:"Literata", "Noto Serif SC", ui-serif, Georgia, serif;
  --heading-weight:normal;
  --banner-bg:#F59E0B;
  --banner-fg:#FFFFFF;
  --footer-bg:#070A12;
  --footer-fg:#EAF2FF;
  --footer-muted:rgba(234,242,255,0.72);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:
    radial-gradient(900px 520px at 20% 10%, rgba(var(--accent-rgb), 0.10), transparent 60%),
    radial-gradient(1200px 680px at 90% 0%, rgba(var(--secondary-rgb), 0.10), transparent 58%),
    linear-gradient(180deg, rgba(var(--primary-rgb), 0.08), transparent 42%),
    var(--bg);
  line-height:1.55;
  text-rendering:optimizeLegibility;
}
body::before{
  content:'';
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:0.12;
  background-image:
    radial-gradient(circle at 10% 10%, rgba(255,255,255,0.12), transparent 18%),
    radial-gradient(circle at 60% 40%, rgba(255,255,255,0.10), transparent 22%),
    radial-gradient(circle at 20% 70%, rgba(255,255,255,0.08), transparent 20%);
  mix-blend-mode:overlay;
}
a{color:inherit}
img{max-width:100%;display:block}
.container{width:min(1120px, calc(100% - 32px)); margin:0 auto}
.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:16px;top:12px;width:auto;height:auto;z-index:9999;background:var(--surface);padding:10px 12px;border-radius:12px;box-shadow:var(--shadow);outline:var(--outline) solid var(--ring)}

header.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(1.2) blur(10px);
  background:rgba(var(--bg-rgb), 0.9);
  border-bottom:1px solid rgba(var(--border-rgb), 0.7);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;
  gap:14px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  text-decoration:none;
}
.brand-mark{
  width:34px;height:34px;border-radius:14px;
  background:linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow:0 10px 24px rgba(0,0,0,0.16);
  outline:0;
}
.brand-title{
  font-family:var(--font-display);
  letter-spacing:0;
  font-weight:800;
}
.nav-links{
  display:flex;align-items:center;gap:18px;
}
.nav-links a{
  text-decoration:none;
  padding:8px 10px;
  border-radius:12px;
  color:rgba(var(--text-rgb), 0.86);
}
.nav-links a:hover{background:rgba(var(--surface-rgb), 0.8)}
.nav-links a[aria-current="page"]{
  background:rgba(var(--primary-rgb), 0.12);
  color:var(--text);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;
  border:1px solid rgba(var(--border-rgb), 0.7);
  background:var(--surface);
  border-radius:14px;
  padding:10px 12px;
  color:var(--text);
}
.nav-toggle:focus-visible{outline:var(--outline) solid var(--ring);outline-offset:2px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:var(--radius);
  padding:11px 14px;
  text-decoration:none;
  border:1px solid transparent;
  transition:transform var(--motion) ease, background var(--motion) ease, border-color var(--motion) ease, box-shadow var(--motion) ease;
  will-change:transform;
}
.btn:focus-visible{outline:var(--outline) solid var(--ring);outline-offset:2px}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:linear-gradient(135deg, var(--primary), var(--accent));
  color:white;
  border-color:transparent;
  box-shadow:0 14px 34px rgba(0,0,0,0.16);
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 18px 46px rgba(0,0,0,0.20);
}
.btn-solid{
  background:linear-gradient(135deg, var(--primary), var(--accent));
  color:white;
  border-color:transparent;
  box-shadow:0 14px 34px rgba(0,0,0,0.16);
}
.btn-solid:hover{
  transform:translateY(-1px);
  box-shadow:0 18px 46px rgba(0,0,0,0.20);
}
.btn-secondary{
  background:rgba(var(--surface-rgb), 0.92);
  border-color:rgba(var(--border-rgb), 0.75);
  color:var(--text);
}
.btn-secondary:hover{transform:translateY(-1px)}

.banner{
  position:relative;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.16), rgba(0,0,0,0.34)),
    linear-gradient(135deg, rgba(var(--primary-rgb), 1), rgba(var(--accent-rgb), 0.92), rgba(var(--secondary-rgb), 0.86));
  color:#fff;
  overflow:hidden;
}
.banner::before{
  content:'';
  position:absolute; inset:-40px;
  background:
    radial-gradient(420px 420px at 8% 40%, rgba(255,255,255,0.12), transparent 60%),
    radial-gradient(520px 520px at 92% 18%, rgba(255,255,255,0.14), transparent 62%),
    radial-gradient(320px 320px at 86% 78%, rgba(255,255,255,0.10), transparent 62%);
  pointer-events:none;
}
body[data-style="minimal"] .banner{
  background:
    linear-gradient(180deg, rgba(0,0,0,0.14), rgba(0,0,0,0.32)),
    linear-gradient(135deg, rgba(var(--primary-rgb), 1), rgba(var(--secondary-rgb), 0.92));
}
.banner-inner{
  position:relative;
  padding:64px 0 46px;
  text-align:center;
}
.banner-split{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:22px;
  align-items:center;
  text-align:left;
}
.banner-split .download-row{justify-content:flex-start}
.banner-split .banner-left p{margin:14px 0 0; max-width:58ch}
.banner-media{
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 18px 46px rgba(0,0,0,0.22);
  border:1px solid rgba(255,255,255,0.14);
  background:rgba(0,0,0,0.10);
}
.banner-media img{width:100%;height:100%;object-fit:cover;display:block}
.hero-pills{
  margin-top:18px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
}
.hero-pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,0.16);
  background:rgba(255,255,255,0.08);
  color:rgba(255,255,255,0.92);
  font-size:13px;
}
.banner h1{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(34px, 4vw, 56px);
  line-height:1.06;
  letter-spacing:-0.6px;
  font-weight:800;
}
.banner p{
  margin:14px auto 0;
  max-width:64ch;
  opacity:0.92;
}
.download-row{
  margin-top:22px;
  display:flex;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap;
}
.download-btn{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  background:rgba(255,255,255,0.92);
  color:#0B1220;
  border:1px solid rgba(255,255,255,0.22);
  padding:12px 16px;
  border-radius:16px;
  box-shadow:0 14px 34px rgba(0,0,0,0.16);
  min-width:220px;
}
.download-btn:hover{transform:translateY(-1px)}
.download-icon{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg, rgba(var(--primary-rgb), 0.9), rgba(var(--accent-rgb), 0.9));
  display:grid;place-items:center;
  color:white;
  flex:0 0 auto;
}
.download-text{display:grid;gap:2px;text-align:left}
.download-text .small{font-size:12px;opacity:0.78}
.download-text .big{font-weight:800}
.banner-bullets{
  margin:24px auto 0;
  padding:0;
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px 18px;
  max-width:980px;
}
.banner-bullets li{
  display:flex;align-items:center;gap:10px;
  font-size:13px;
  opacity:0.92;
}
.dot{
  width:18px;height:18px;border-radius:999px;
  background:rgba(255,255,255,0.18);
  border:1px solid rgba(255,255,255,0.24);
  display:grid;place-items:center;
}
.quick-links{
  margin:18px auto 0;
  display:flex;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
  max-width:980px;
}
.quick-pill{
  display:inline-flex;
  align-items:center;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,0.24);
  background:rgba(255,255,255,0.12);
  color:var(--banner-fg);
  text-decoration:none;
  font-size:13px;
}
.quick-pill:hover{transform:translateY(-1px)}

.section-pad{padding:56px 0}
.section-head{
  text-align:center;
  max-width:860px;
  margin:0 auto 26px;
}
.section-head h2{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(22px, 2.2vw, 34px);
  letter-spacing:-0.3px;
  font-weight:800;
}
.section-head p{
  margin:10px auto 0;
  color:rgba(var(--text-rgb), 0.74);
}

.grid-12{display:grid;grid-template-columns:repeat(12, 1fr);gap:16px}
.card{
  background:var(--surface);
  border:1px solid rgba(var(--border-rgb), 0.75);
  border-radius:18px;
  padding:18px;
  box-shadow:0 14px 44px rgba(0,0,0,0.08);
}
.card h3{
  margin:0 0 8px;
  font-family:var(--font-display);
  font-size:16px;
  letter-spacing:-0.2px;
  font-weight:800;
}
.card p{margin:0;color:rgba(var(--text-rgb), 0.72);font-size:14px}
.mini{
  margin-top:12px;
  display:flex;gap:10px;flex-wrap:wrap;
  color:rgba(var(--text-rgb), 0.74);
  font-size:13px;
}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(var(--border-rgb), 0.75);
  background:rgba(var(--surface-rgb), 0.92);
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(var(--border-rgb), 0.75);
  background:rgba(var(--primary-rgb), 0.10);
  color:rgba(var(--text-rgb), 0.86);
  font-size:12px;
}

.metric-card{grid-column:span 3}
.metric-k{font-size:13px;color:rgba(var(--text-rgb), 0.72)}
.metric-v{font-family:var(--font-display);font-weight:900;font-size:22px;letter-spacing:-0.3px}
.metric-sub{margin-top:6px;color:rgba(var(--text-rgb), 0.70);font-size:13px}

.feature-card{grid-column:span 4}
.feature-icon{
  width:44px;height:44px;border-radius:14px;
  background:rgba(var(--primary-rgb), 0.12);
  border:1px solid rgba(var(--border-rgb), 0.75);
  display:grid;place-items:center;
  color:var(--primary);
  margin-bottom:10px;
  font-weight:900;
}

.program-card{grid-column:span 4;display:block;text-decoration:none;color:inherit}
.program-top{display:flex;align-items:center;gap:12px}
.program-top img{
  width:40px;height:40px;border-radius:14px;
  border:1px solid rgba(var(--border-rgb), 0.75);
  background:rgba(var(--surface-rgb), 0.92);
}
.program-title{font-family:var(--font-display);font-weight:900;letter-spacing:-0.2px}
.program-desc{color:rgba(var(--text-rgb),0.70);font-size:13px}

.article-grid{display:grid;gap:14px}
.article-grid.grid{grid-template-columns:repeat(12, 1fr);gap:14px}
.article-card{
  background:var(--surface);
  border:1px solid rgba(var(--border-rgb), 0.75);
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 14px 44px rgba(0,0,0,0.08);
}
.article-card .thumb{
  aspect-ratio:16/9;
  background:linear-gradient(135deg, rgba(var(--primary-rgb), 0.20), rgba(var(--accent-rgb), 0.16));
  border-bottom:1px solid rgba(var(--border-rgb), 0.7);
}
.article-card .body{padding:14px}
.article-card h3{
  margin:0 0 8px;
  font-family:var(--font-display);
  letter-spacing:-0.2px;
  font-size:16px;
  font-weight:900;
}
.article-card p{margin:0 0 12px;color:rgba(var(--text-rgb), 0.72)}
.meta{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(var(--text-rgb), 0.7)}
.meta a{text-decoration:none}
.meta a:hover{text-decoration:underline}

.faq{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  border:1px solid rgba(var(--border-rgb), 0.75);
  border-radius:18px;
  background:var(--surface);
  overflow:hidden;
  box-shadow:0 14px 44px rgba(0,0,0,0.06);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-0.2px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:var(--outline) solid var(--ring);outline-offset:2px}
.faq-item .faq-body{
  padding:0 16px 16px;
  color:rgba(var(--text-rgb), 0.76);
}
.faq-item .chev{
  width:30px;
  height:30px;
  border-radius:999px;
  border:1px solid rgba(var(--border-rgb), 0.75);
  background:rgba(var(--surface-rgb), 0.92);
  display:grid;
  place-items:center;
  flex:0 0 auto;
}
.faq-item[open] .chev{transform:rotate(180deg)}

footer.site-footer{
  margin-top:0;
  background:var(--footer-bg);
  color:var(--footer-fg);
  border-top:none;
}
.site-footer a{color:inherit}
.footer-wrap{padding:56px 0 34px}
.footer-grid{
  display:grid;
  grid-template-columns:1.8fr 1fr 1fr 1.2fr;
  gap:18px;
}
.footer-grid p{color:var(--footer-muted)}
.footer-panel{
  border:1px solid rgba(255,255,255,0.14);
  background:rgba(255,255,255,0.06);
  border-radius:18px;
  padding:14px;
}
.footer-panel input{
  width:100%;
  border-radius:14px;
  border:1px solid rgba(255,255,255,0.18);
  background:rgba(0,0,0,0.12);
  padding:11px 12px;
  color:var(--footer-fg);
  outline:none;
}
.footer-panel input::placeholder{color:rgba(234,242,255,0.55)}
.footer-panel .row{display:grid;gap:10px;margin-top:10px}
.footer-panel .row .btn{width:100%;justify-content:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.10);
  margin-top:26px;
  padding-top:18px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  color:rgba(234,242,255,0.62);
  font-size:13px;
}

.article-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  align-items:start;
}
.prose{
  background:var(--surface);
  border:1px solid rgba(var(--border-rgb), 0.75);
  border-radius:18px;
  padding:18px;
  box-shadow:0 14px 44px rgba(0,0,0,0.08);
}
.prose h1{
  font-family:var(--font-display);
  letter-spacing:-0.6px;
  margin:0 0 10px;
  line-height:1.08;
  font-size:clamp(28px, 2.6vw, 44px);
  font-weight:900;
}
.prose h2{font-family:var(--font-display);margin:18px 0 10px;font-weight:900}
.prose p{margin:0 0 12px;color:rgba(var(--text-rgb), 0.78)}
.prose blockquote{
  margin:16px 0;
  padding:14px 16px;
  border-left:4px solid var(--primary);
  background:rgba(var(--primary-rgb), 0.1);
  border-radius:var(--radius);
}
.share{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.aside{
  position:sticky;top:90px;
  border:1px solid rgba(var(--border-rgb), 0.75);
  border-radius:18px;
  background:rgba(var(--surface-rgb), 0.92);
  padding:14px;
  box-shadow:0 14px 44px rgba(0,0,0,0.08);
}
.aside h3{margin:0 0 10px;font-family:var(--font-display);font-weight:900}
.aside a{text-decoration:none}
.aside a:hover{text-decoration:underline}

.form{
  display:grid;gap:12px;
  background:var(--surface);
  border:1px solid rgba(var(--border-rgb), 0.75);
  border-radius:18px;
  padding:16px;
  box-shadow:0 14px 44px rgba(0,0,0,0.08);
}
label{font-size:13px;color:rgba(var(--text-rgb), 0.72)}
input,textarea{
  width:100%;
  border-radius:var(--radius);
  border:1px solid rgba(var(--border-rgb), 0.78);
  background:rgba(var(--surface-rgb), 0.92);
  padding:11px 12px;
  font:inherit;
  color:var(--text);
}
input:focus-visible,textarea:focus-visible{outline:var(--outline) solid var(--ring);outline-offset:2px}
textarea{min-height:110px;resize:vertical}

.to-top{
  position:fixed;
  right:16px;
  bottom:18px;
  width:44px;height:44px;
  border-radius:999px;
  border:1px solid rgba(var(--border-rgb), 0.75);
  background:var(--surface);
  color:rgba(var(--text-rgb), 0.92);
  display:grid;
  place-items:center;
  box-shadow:0 18px 46px rgba(0,0,0,0.16);
  cursor:pointer;
}
.to-top:focus-visible{outline:var(--outline) solid var(--ring);outline-offset:2px}

@media (max-width: 900px){
  .feature-card{grid-column:span 6}
  .metric-card{grid-column:span 6}
  .program-card{grid-column:span 6}
  .article-layout{grid-template-columns:1fr}
  .aside{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .banner-split{grid-template-columns:1fr}
}
@media (max-width: 720px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .download-btn{min-width:min(420px, 100%); width:min(420px, 100%)}
  .banner-inner{padding:52px 0 40px}
  .feature-card{grid-column:span 12}
  .metric-card{grid-column:span 12}
  .program-card{grid-column:span 12}
  .footer-grid{grid-template-columns:1fr}
  .footer-hide-mobile{display:none}
}
@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto !important; transition:none !important; animation:none !important}
}