:root{
  --bg:#f5f7fb;
  --surface:#ffffff;
  --surface-soft:#eef4ff;
  --border:#c7d5ea;
  --text:#17304d;
  --muted:#52657e;
  --accent:#0f4cc9;
  --accent-strong:#0b3b99;
  --accent-soft:#e8f0ff;
  --max:1180px;
  --header-h:88px;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;padding-top:var(--header-h)}
a{color:var(--accent-strong);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.site-header{position:fixed;top:0;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);z-index:100}
.site-header-inner{max-width:var(--max);margin:0 auto;padding:12px 16px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:0;min-width:0;color:var(--text);font-weight:700}
.brand img{height:52px;width:auto}
.brand span,.brand small{display:none}
.nav{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;min-width:0}
.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-end}
.btn, .nav a, select{border:1px solid var(--border);background:#fff;color:var(--text);padding:9px 14px;border-radius:10px;font:inherit;font-weight:600;min-height:42px;display:inline-flex;align-items:center;justify-content:center}
select{padding-right:32px}
.nav a.active,.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-soft{background:var(--accent-soft);border-color:#b7c9ef}
.main{max-width:var(--max);margin:0 auto;padding:24px 16px 40px;display:grid;gap:18px}
.box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.hero{display:grid;gap:16px}
@media(min-width:900px){.hero.two{grid-template-columns:1.2fr .8fr}}
.eyebrow{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong);font-weight:700;font-size:.92rem;margin-bottom:8px}
h1,h2,h3{margin:0 0 12px;line-height:1.15}
h1{font-size:clamp(1.55rem,3vw,2.35rem)}
h2{font-size:1.2rem}
p{margin:0 0 12px;color:var(--muted)}
.actions-row,.button-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.grid-2,.grid-3{display:grid;gap:16px}
@media(min-width:900px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}
.mini{background:#fbfdff;border:1px solid var(--border);border-radius:12px;padding:16px}
.mini strong{display:block;margin-bottom:6px;font-size:1rem}
.demo-list{display:grid;gap:12px}
.demo-item{border:1px solid var(--border);border-radius:12px;padding:14px;background:#fbfdff;display:grid;gap:8px}
.demo-actions{display:flex;gap:8px;flex-wrap:wrap}
.note-band{background:#0f2748;color:#fff}
.note-band p,.note-band h2{color:#fff}
.footnote{display:none}
@media(max-width:720px){body{padding-top:116px}.site-header-inner{display:flex;flex-wrap:wrap;padding:10px 12px}.brand{min-width:0;flex:1 1 auto}.brand img{height:42px}.nav,.actions{flex:1 1 100%;justify-content:flex-start}}