:root{--bg:#f6f8fb;--surface:#ffffff;--text:#14213d;--muted:#5b6479;--accent:#1f6feb;--accent-2:#17a36b;--border:#e3e8f0;--warn-bg:#fff7e6;--warn-border:#f0c36d;--radius:16px}
@media (prefers-color-scheme:dark){:root{--bg:#0e1420;--surface:#161f2e;--text:#e8edf6;--muted:#a3adc2;--accent:#5b9bff;--accent-2:#3cc98e;--border:#253248;--warn-bg:#2a2412;--warn-border:#8a6d25}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--accent)}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--border);background:var(--surface)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:700}
.brand svg,.brand img{width:34px;height:34px;flex:none;border-radius:22%}
nav a{margin-left:16px;text-decoration:none;color:var(--muted);font-weight:500}
nav a:first-child{margin-left:0}
nav a[aria-current=page]{color:var(--accent)}
.hero{padding:56px 0 32px;text-align:center}
.hero svg,.hero img{width:88px;height:88px;border-radius:22%}
.hero h1{font-size:clamp(28px,6vw,44px);line-height:1.15;margin:18px 0 10px}
.hero p.lead{font-size:clamp(17px,2.6vw,20px);color:var(--muted);max-width:640px;margin:0 auto}
.badge{display:inline-block;margin-top:24px;padding:12px 22px;border-radius:999px;background:var(--text);color:var(--bg);font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:32px 0}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted)}
.card .ico{font-size:26px;line-height:1;margin-bottom:10px}
section{margin:40px 0}
h2{font-size:24px;margin:0 0 12px}
.doc{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin:32px 0}
.doc h1{font-size:clamp(26px,5vw,34px);margin:0 0 6px}
.doc h2{font-size:20px;margin:28px 0 8px}
.doc .meta{color:var(--muted);margin:0 0 20px}
.notice{background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:12px;padding:16px 18px;margin:24px 0}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--accent-2);color:#fff;font-size:13px;font-weight:600;vertical-align:middle}
details{border-top:1px solid var(--border);padding:14px 0}
details:first-of-type{border-top:none}
summary{cursor:pointer;font-weight:600}
details p,details ul{color:var(--muted)}
ul{padding-left:22px}
footer{border-top:1px solid var(--border);margin-top:48px;padding:28px 0;color:var(--muted);font-size:14px}
footer .links a{margin-right:16px;text-decoration:none}
footer p{margin:6px 0}
@media (max-width:520px){nav a{margin-left:12px}.doc{padding:20px}}