:root{
  --bg:#07111f;
  --bg-2:#0a1627;
  --panel:#0f1c2f;
  --panel-2:#14233a;
  --text:#edf6ff;
  --muted:#9eb1c8;
  --line:#273a52;
  --primary:#19a9e5;
  --primary-2:#58cc77;
  --warning:#f4b942;
  --shadow:0 24px 70px rgba(0,0,0,.28);
  --radius:22px;
}
html[data-theme="light"]{
  --bg:#f3f8fc;
  --bg-2:#eaf3f9;
  --panel:#ffffff;
  --panel-2:#f4f8fb;
  --text:#10233a;
  --muted:#5d7085;
  --line:#d6e2eb;
  --primary:#007fba;
  --primary-2:#268b4f;
  --warning:#9a5d00;
  --shadow:0 20px 55px rgba(35,70,105,.11);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  background:
    radial-gradient(circle at 12% 0%, rgba(0,169,229,.18), transparent 34%),
    radial-gradient(circle at 88% 4%, rgba(88,204,119,.12), transparent 28%),
    linear-gradient(180deg,var(--bg),var(--bg-2));
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.68;
}
a{color:var(--primary)}
a:hover{text-decoration-thickness:2px}
code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;
  padding:.12rem .36rem;
  border:1px solid var(--line);
  border-radius:7px;
  background:var(--panel-2);
}
.skip-link{
  position:fixed;left:12px;top:-60px;z-index:1000;
  background:var(--panel);color:var(--text);padding:10px 14px;border-radius:10px;
}
.skip-link:focus{top:12px}
.site-header{
  position:sticky;top:0;z-index:50;
  border-bottom:1px solid color-mix(in srgb,var(--line) 85%,transparent);
  background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(16px);
}
.header-inner{
  width:min(1240px,calc(100% - 32px));margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px 0;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none}
.brand img{width:54px;height:54px;object-fit:contain}
.brand strong{display:block;font-size:1.05rem}
.brand small{display:block;color:var(--muted);font-size:.78rem}
.header-actions{display:flex;align-items:center;gap:10px}
.header-link,.theme-toggle{
  border:1px solid var(--line);background:var(--panel);color:var(--text);
  border-radius:12px;padding:10px 13px;text-decoration:none;font:inherit;cursor:pointer;
}
.page-shell{width:min(1240px,calc(100% - 32px));margin:32px auto 48px}
.panel{background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 98%,white 2%),var(--panel));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero{padding:clamp(26px,5vw,54px);overflow:hidden;position:relative}
.hero::after{content:"";position:absolute;width:310px;height:310px;border-radius:50%;right:-130px;top:-150px;background:linear-gradient(135deg,rgba(0,169,229,.22),rgba(88,204,119,.12));filter:blur(2px)}
.eyebrow{font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:var(--primary);font-size:.78rem}
h1{font-size:clamp(2rem,5vw,3.65rem);line-height:1.08;max-width:980px;margin:12px 0 18px;letter-spacing:-.035em}
.hero-copy{font-size:clamp(1rem,2vw,1.18rem);max-width:980px;color:var(--muted);position:relative;z-index:1}
.meta-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:24px;position:relative;z-index:1}
.meta-grid>div{padding:15px;border:1px solid var(--line);border-radius:15px;background:color-mix(in srgb,var(--panel-2) 82%,transparent)}
.meta-grid span,.meta-grid strong{display:block}.meta-grid span{color:var(--muted);font-size:.78rem;margin-bottom:4px}
.notice{border:1px solid var(--line);border-left:4px solid var(--primary);background:var(--panel-2);border-radius:15px;padding:16px 18px;margin:20px 0}
.notice p{margin:5px 0 0}.notice-primary{border-left-color:var(--primary-2);max-width:1050px;position:relative;z-index:1}.notice-warning{border-left-color:var(--warning)}
.content-layout{display:grid;grid-template-columns:285px minmax(0,1fr);gap:22px;margin-top:22px;align-items:start}
.toc{position:sticky;top:94px;padding:18px;max-height:calc(100vh - 118px);overflow:auto}
.toc-title{font-weight:800;margin-bottom:11px}.toc nav{display:grid;gap:2px}
.toc a{color:var(--muted);text-decoration:none;padding:7px 8px;border-radius:8px;font-size:.88rem;line-height:1.35}
.toc a:hover{background:var(--panel-2);color:var(--text)}
.policy{padding:clamp(22px,4vw,46px)}
.policy section{scroll-margin-top:100px;padding:6px 0 30px;border-bottom:1px solid var(--line)}
.policy section:last-child{border-bottom:0;padding-bottom:0}
h2{font-size:clamp(1.42rem,3vw,2rem);letter-spacing:-.02em;margin:14px 0 15px}h3{font-size:1.07rem;margin:21px 0 8px}
p{margin:0 0 14px}ul,ol{padding-left:1.35rem;margin:0 0 16px}li{margin:.42rem 0}
.definition-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}
.definition-grid div{display:grid;gap:5px;padding:15px;border:1px solid var(--line);border-radius:14px;background:var(--panel-2)}
.definition-grid span{color:var(--muted)}
.role-table-wrap{overflow:auto;margin:16px 0}.role-table{width:100%;border-collapse:collapse;min-width:720px}.role-table th,.role-table td{padding:13px;border:1px solid var(--line);text-align:left;vertical-align:top}.role-table th{background:var(--panel-2)}
.steps{counter-reset:step;list-style:none;padding:0;display:grid;gap:10px}.steps li{position:relative;padding:14px 14px 14px 56px;border:1px solid var(--line);border-radius:14px;background:var(--panel-2)}.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:14px;top:13px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-weight:800}
.contact-card{display:flex;align-items:center;gap:18px;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--panel-2)}.contact-card img{width:76px;height:76px;object-fit:contain}.contact-card div{display:grid;gap:4px}.small-note{color:var(--muted);font-size:.9rem;margin-top:14px}
.reference-links{display:flex;flex-wrap:wrap;gap:10px}.reference-links a{display:inline-flex;padding:9px 11px;border:1px solid var(--line);border-radius:10px;text-decoration:none;background:var(--panel-2)}
.site-footer{width:min(1240px,calc(100% - 32px));margin:0 auto 28px;padding:16px 18px;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--panel) 88%,transparent);display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted)}
.site-footer div{display:flex;align-items:center;gap:10px}.site-footer img{width:38px;height:38px;object-fit:contain}.site-footer a{text-decoration:none}
@media(max-width:900px){.content-layout{grid-template-columns:1fr}.toc{position:relative;top:auto;max-height:none}.meta-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.header-inner{align-items:flex-start}.brand small{display:none}.header-link{display:none}.theme-toggle{padding:9px 10px}.page-shell{width:min(100% - 20px,1240px);margin-top:18px}.meta-grid,.definition-grid{grid-template-columns:1fr}.site-footer{width:min(100% - 20px,1240px);align-items:flex-start;flex-direction:column}.contact-card{align-items:flex-start}.contact-card img{width:58px;height:58px}}
@media print{.site-header,.toc,.theme-toggle,.site-footer,.skip-link{display:none!important}body{background:#fff;color:#111}.page-shell{width:100%;margin:0}.panel{box-shadow:none;border:none}.policy{padding:0}.hero{padding:0 0 24px}.policy section{break-inside:avoid;page-break-inside:avoid}.content-layout{display:block}a{color:#111;text-decoration:none}}