:root {
  --bg: #0a0f1a;
  --bg-soft: #11182a;
  --panel: rgba(255,255,255,0.05);
  --panel-strong: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.11);
  --text: #edf3ff;
  --muted: #b4bfd8;
  --accent: #73a7ff;
  --accent-2: #6df0d2;
  --ok: #71f0c2;
  --warn: #ffd36e;
  --danger: #ff9a9a;
  --shadow: 0 18px 50px rgba(0,0,0,0.32);
  --radius: 22px;
  --max: 1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 0% 0%, rgba(115,167,255,0.13), transparent 28%),
    radial-gradient(circle at 100% 0%, rgba(109,240,210,0.10), transparent 26%),
    linear-gradient(180deg, #09111d 0%, #0a0f1a 100%);
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{width:min(calc(100% - 2rem), var(--max)); margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(8,12,21,0.78);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding: .95rem 0;
}
.brand{display:flex;align-items:center;gap:.8rem;font-weight:800}
.brand-mark{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#06101c;font-weight:900;box-shadow:0 12px 30px rgba(115,167,255,0.28)
}
.brand small{display:block;color:var(--muted);font-weight:600;font-size:.76rem}
.nav{display:flex;gap:1.1rem;flex-wrap:wrap;align-items:center}
.nav a{color:var(--muted);font-size:.95rem}
.nav a:hover,.nav a.active{color:var(--text)}
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.9rem 1.2rem;border-radius:14px;font-weight:700;
  border:1px solid var(--border);background:rgba(255,255,255,.05)
}
.button:hover{transform:translateY(-1px);background:rgba(255,255,255,.08)}
.button.primary{background:linear-gradient(135deg,var(--accent), #95bbff);color:#08101b;border:none}
.hero{padding:4.6rem 0 3.2rem}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;align-items:center}
.eyebrow{
  display:inline-flex;padding:.45rem .8rem;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);
  color:var(--accent-2);font-size:.88rem;margin-bottom:1rem
}
h1,h2,h3{line-height:1.08; letter-spacing:-.03em}
h1{font-size:clamp(2.4rem, 6vw, 4.6rem);margin:0 0 1rem}
h2{font-size:clamp(1.8rem, 4vw, 2.7rem);margin:0 0 .7rem}
h3{font-size:1.18rem;margin:0 0 .7rem}
.lead{font-size:1.08rem;color:var(--muted);max-width:64ch;margin:0 0 1.5rem}
.actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:1.2rem}
.badges{display:flex;gap:.7rem;flex-wrap:wrap}
.badge{
  border-radius:999px;padding:.58rem .82rem;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);color:var(--muted);font-size:.92rem
}
.panel{
  background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.10);border-radius:28px;box-shadow:var(--shadow)
}
.hero-card{padding:1.2rem;position:relative;overflow:hidden}
.hero-card::after{
  content:""; position:absolute; right:-30px; bottom:-30px; width:160px; height:160px;
  background:radial-gradient(circle, rgba(109,240,210,.22), transparent 65%);
}
.status-list{display:grid;gap:.8rem;margin-top:1rem}
.status-item{
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
  border-radius:16px;padding:.9rem 1rem;background:rgba(5,12,24,.45);border:1px solid rgba(255,255,255,.08)
}
.status-item span:first-child{color:var(--muted)}
.tag{padding:.35rem .62rem;border-radius:999px;font-weight:700;font-size:.85rem}
.tag.ok{background:rgba(113,240,194,.15); color:var(--ok)}
.tag.warn{background:rgba(255,211,110,.14); color:var(--warn)}
.tag.bad{background:rgba(255,154,154,.14); color:var(--danger)}
main section{padding:1.1rem 0 3.2rem}
.section-head{margin-bottom:1.3rem}
.section-head p{margin:0;color:var(--muted);max-width:72ch}
.grid{display:grid;gap:1.15rem}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{
  padding:1.35rem;border-radius:var(--radius);background:var(--panel);
  border:1px solid var(--border);box-shadow:var(--shadow)
}
.card p{margin:0 0 1rem;color:var(--muted)}
.card ul{margin:0;padding-left:1.15rem;color:var(--muted)}
.card li+li{margin-top:.42rem}
.icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(135deg, rgba(115,167,255,.18), rgba(109,240,210,.16));
  border:1px solid rgba(255,255,255,.09);margin-bottom:.95rem;font-size:1.1rem
}
.cta{
  padding:1.7rem;border-radius:28px;
  background:linear-gradient(135deg, rgba(115,167,255,.16), rgba(109,240,210,.10));
  border:1px solid rgba(255,255,255,.12); box-shadow:var(--shadow);
  display:flex;justify-content:space-between;gap:1rem;align-items:center;flex-wrap:wrap
}
.cta p{margin:0;color:var(--muted);max-width:62ch}
.feature-list{display:grid;gap:.9rem}
.feature{padding:1rem 1rem 1rem 3.7rem; position:relative; border-radius:18px; background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.08)}
.feature::before{
  content:attr(data-num);position:absolute;left:1rem;top:1rem;width:2rem;height:2rem;border-radius:999px;
  display:grid;place-items:center;font-weight:800;color:#07101b;background:linear-gradient(135deg,var(--accent),var(--accent-2))
}
.prose p{color:var(--muted)}
.prose h2, .prose h3{margin-top:1.6rem}
.prose ul, .prose ol{color:var(--muted);padding-left:1.2rem}
.prose li+li{margin-top:.35rem}
code, .code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background:rgba(255,255,255,.08);padding:.15rem .45rem;border-radius:8px;color:#dff8ff
}
.callout{
  padding:1rem 1.05rem;border-radius:16px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);color:var(--muted)
}
.callout strong{color:var(--text)}
.table-wrap{overflow:auto}
table{
  width:100%; border-collapse:collapse; background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.08);
  border-radius:18px; overflow:hidden
}
th, td{padding:.9rem; text-align:left; border-bottom:1px solid rgba(255,255,255,.08)}
th{color:var(--text); font-size:.95rem}
td{color:var(--muted)}
.breadcrumbs{
  margin:1.2rem 0 0;
  color:var(--muted); font-size:.95rem
}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--text)}
.footer{padding:0 0 2.8rem;color:var(--muted)}
.footer-inner{
  border-top:1px solid rgba(255,255,255,.08);padding-top:1.2rem;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:.6rem 1rem;color:var(--muted);font-size:.95rem;margin:1rem 0 1.4rem
}
.toc{
  position:sticky; top:88px; padding:1.1rem; border-radius:20px; background:var(--panel); border:1px solid var(--border); box-shadow:var(--shadow)
}
.toc h3{font-size:1rem}
.toc ul{list-style:none;padding:0;margin:0;display:grid;gap:.55rem}
.toc a{color:var(--muted);font-size:.95rem}
.toc a:hover{color:var(--text)}
.article-layout{display:grid;grid-template-columns:minmax(0, 1fr) 290px;gap:1.4rem}
.notice{
  border-left:4px solid var(--accent);padding:.9rem 1rem;background:rgba(115,167,255,.12);border-radius:0 14px 14px 0;color:var(--muted)
}
.faq details{
  padding:1rem 1.1rem;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08)
}
.faq details+details{margin-top:.8rem}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin:.8rem 0 0;color:var(--muted)}
@media (max-width: 980px){
  .hero-grid,.grid-2,.grid-3,.article-layout{grid-template-columns:1fr}
  .toc{position:static}
  .header-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width: 640px){
  .hero{padding-top:3.2rem}
  .card,.panel,.cta,.toc{padding:1.1rem}
}


.kicker-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.9rem}
.mini-card{padding:1rem;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
.mini-card p{margin:.35rem 0 0;color:var(--muted);font-size:.95rem}
.article-list{display:grid;gap:1rem}
.article-link{display:block;padding:1.15rem;border-radius:20px;background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow)}
.article-link:hover{background:rgba(255,255,255,.07)}
.article-link p{margin:.45rem 0 0;color:var(--muted)}
.checklist{display:grid;gap:.7rem;margin:1rem 0}
.checklist div{padding:.8rem 1rem;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);color:var(--muted)}
.related-links{display:grid;gap:.8rem}
.related-links a{display:block;padding:.9rem 1rem;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);color:var(--muted)}
.related-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.schema-note{font-size:.92rem;color:var(--muted)}
@media (max-width:980px){.kicker-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.kicker-grid{grid-template-columns:1fr}}