:root{
  --bg:#050b15;--bg2:#0a1525;--bg3:#0f1e35;--bg4:#162340;
  --surface:var(--bg2);--surface-h:var(--bg3);
  --border:rgba(255,255,255,0.10);--border-h:rgba(79,142,247,0.45);
  --text:#f0f6ff;--text2:#7a9cc4;--text3:#4a6a8a;
  --accent:#4f8ef7;--accent-h:#6ba3f9;
  --accent-l:rgba(79,142,247,0.12);--accent-b:rgba(79,142,247,0.35);
  --blue:#4f8ef7;--green:#22c55e;--orange:#f97316;--red:#ef4444;
  --purple:#a855f7;--cyan:#22d3ee;--yellow:#eab308;--teal:#14b8a6;
  --grd-brand:linear-gradient(135deg,#4f8ef7,#22d3ee);
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);background-image:radial-gradient(ellipse 70% 50% at 10% -10%,rgba(79,142,247,.14) 0%,transparent 60%),radial-gradient(ellipse 50% 40% at 90% 110%,rgba(124,109,240,.10) 0%,transparent 55%);color:var(--text);font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:15px;line-height:1.75}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.page{max-width:780px;margin:0 auto;padding:40px 24px 80px}
.breadcrumb{font-size:12px;color:var(--text2);margin-bottom:24px}
.breadcrumb a{color:var(--text2)}
.art-tag{display:inline-block;padding:3px 10px;border-radius:10px;font-size:11px;font-weight:700;margin-bottom:16px}
h1{font-size:30px;font-weight:900;letter-spacing:-.5px;line-height:1.25;margin-bottom:16px}
.art-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:12px;color:var(--text2);margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.art-lead{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--blue);border-radius:10px;padding:20px 24px;font-size:15px;line-height:1.7;color:var(--text);margin-bottom:32px}
.art-lead strong{color:var(--blue)}
.art-body h2{font-size:19px;font-weight:800;letter-spacing:-.3px;margin:36px 0 14px}
.art-body p{color:var(--text2);margin-bottom:16px;line-height:1.8}
.art-body p strong{color:var(--text)}
.art-body ul{color:var(--text2);margin:0 0 16px 20px;line-height:1.9}
.art-body ul li strong{color:var(--text)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}
.stat-box{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px;text-align:center;min-width:0}
.stat-val{font-size:22px;font-weight:900;letter-spacing:-.5px;overflow-wrap:break-word}
.stat-lbl{font-size:11px;color:var(--text2);margin-top:4px}
.cta-official{display:inline-flex;align-items:center;gap:8px;background:var(--accent-l);border:1px solid var(--accent-b);color:var(--accent);font-size:13px;font-weight:700;padding:11px 20px;border-radius:10px;margin:8px 0 28px;transition:background .15s,border-color .15s,color .15s}
.cta-official:hover{background:rgba(79,142,247,.22);border-color:var(--accent);color:var(--text);text-decoration:none}
.faq-list{display:grid;gap:12px;margin-top:20px}
.faq-item{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:22px 24px;transition:border-color .2s}
.faq-item:hover{border-color:var(--border-h)}
.faq-q{font-size:15px;font-weight:700;margin-bottom:10px;color:var(--text);display:flex;gap:10px}
.faq-q-num{color:var(--accent);font-family:'JetBrains Mono',monospace;flex-shrink:0}
.faq-a{font-size:13.5px;color:var(--text2);line-height:1.65;padding-left:26px}
.related{margin-top:48px;padding-top:32px;border-top:1px solid var(--border)}
.related h2{font-size:16px;font-weight:800;margin-bottom:16px}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.rel-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px;text-decoration:none;color:inherit;transition:border-color .2s}
.rel-card:hover{border-color:rgba(59,130,246,.35);text-decoration:none}
.rel-card .rc-tag{font-size:10px;color:var(--blue);font-weight:700;margin-bottom:6px}
.rel-card .rc-title{font-size:13px;font-weight:700;line-height:1.35;color:var(--text)}
footer{border-top:1px solid var(--border);padding:40px 24px 26px;color:var(--text2);font-size:12px;margin-top:60px}
.footer-inner{max-width:780px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:24px 16px}
.footer-logo{font-size:13px;font-weight:900;background:linear-gradient(135deg,#3b82f6,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.footer-col{display:flex;flex-direction:column;gap:8px;min-width:0}.footer-col-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--text3)}.footer-col a{color:var(--text2);font-size:13px}.footer-col a:hover{color:var(--text)}.footer-brand{grid-column:1/-1}.footer-email{color:var(--blue);margin-top:2px;display:inline-block;font-size:13px}@media(min-width:640px){.footer-inner{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.footer-brand{grid-column:auto}}
@media(max-width:600px){h1{font-size:22px}.stat-row{grid-template-columns:1fr 1fr}}
nav{background:rgba(5,11,21,.90);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border);padding:6px 20px;display:flex;flex-direction:column;gap:3px;position:sticky;top:0;z-index:200}
.nav-tier{display:flex;align-items:center;gap:1px;flex-wrap:wrap;row-gap:3px}
.logo{font-size:13px;font-weight:900;letter-spacing:-.3px;color:var(--accent);margin-right:8px;white-space:nowrap;flex-shrink:0;text-decoration:none}
.nav-sep{display:block;width:1px;height:18px;background:var(--border);margin:0 8px;flex-shrink:0}
.nav-key{background:rgba(79,142,247,.11);border:1px solid rgba(79,142,247,.22);font-weight:600}
nav a{color:var(--text3);text-decoration:none;padding:5px 10px;border-radius:7px;font-size:12px;font-weight:500;white-space:nowrap;transition:color .15s,background .15s;flex-shrink:0}
nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
nav a.active{color:var(--accent);background:var(--accent-l)}
.stat-val,.art-meta,.faq-q-num{font-family:'JetBrains Mono',monospace;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.back-banner{margin:40px 0;padding:28px 32px;background:linear-gradient(135deg,rgba(10,20,45,.98) 0%,rgba(15,30,60,.92) 60%,rgba(79,142,247,.08) 100%);border:1px solid rgba(79,142,247,.25);border-radius:18px;position:relative;overflow:hidden;text-decoration:none;display:block;transition:border-color .25s,box-shadow .25s,transform .25s cubic-bezier(.22,1,.36,1)}
.back-banner::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(to bottom,#4f8ef7,#a855f7);border-radius:2px 0 0 2px}
.back-banner::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 100% 50%,rgba(79,142,247,.07),transparent);pointer-events:none}
.back-banner:hover{border-color:rgba(79,142,247,.55);box-shadow:0 12px 40px rgba(0,0,0,.5),0 0 0 1px rgba(79,142,247,.15);transform:translateY(-2px);text-decoration:none}
.bb-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;z-index:1}
.bb-left{flex:1;min-width:0}
.bb-eyebrow{font-size:10px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--blue);margin-bottom:8px;display:flex;align-items:center;gap:6px}
.bb-eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block;animation:pulse 2s infinite;box-shadow:0 0 0 0 rgba(34,197,94,.4);flex-shrink:0}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.45)}70%{box-shadow:0 0 0 6px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.bb-title{font-size:17px;font-weight:900;letter-spacing:-.35px;line-height:1.25;color:var(--text);margin-bottom:10px}
.bb-stats{display:flex;flex-wrap:wrap;gap:16px}
.bb-stat{display:flex;flex-direction:column;gap:1px}
.bb-stat-val{font-size:15px;font-weight:900;letter-spacing:-.02em;color:var(--text);font-family:'JetBrains Mono',monospace;font-variant-numeric:tabular-nums}
.bb-stat-lbl{font-size:10px;color:var(--text2)}
.bb-divider{width:1px;height:32px;background:var(--border);align-self:center}
.bb-right{flex-shrink:0}
.bb-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent-l);border:1px solid var(--accent-b);color:var(--accent);font-size:13px;font-weight:700;padding:11px 20px;border-radius:10px;transition:background .15s,border-color .15s,color .15s;text-decoration:none;white-space:nowrap;font-family:inherit}
.bb-cta:hover{background:rgba(79,142,247,.22);border-color:var(--accent);color:var(--text);text-decoration:none}
.bb-cta svg{width:16px;height:16px;flex-shrink:0;transition:transform .2s cubic-bezier(.22,1,.36,1)}
.back-banner:hover .bb-cta svg{transform:translateX(-3px)}
@media(max-width:600px){.back-banner{padding:20px 20px 20px 24px}.bb-inner{flex-direction:column;align-items:flex-start;gap:16px}.bb-cta{width:100%;justify-content:center}.bb-divider{display:none}}