:root{--bg:#F8F9FA;--fg:#1A1A1A;--muted:#566070;--card:#fff;--navy:#1565C0;--gold:#FFC107;--line:#E3E8EF;--soft:#EEF2F7}
@media (prefers-color-scheme:dark){:root{--bg:#0F1720;--fg:#EAEFF5;--muted:#A5B0BF;--card:#18222E;--navy:#6FA8F7;--line:#263444;--soft:#1F2C3B}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
a{color:var(--navy)}
header.site{position:sticky;top:0;z-index:5;background:var(--card);border-bottom:1px solid var(--line)}
header.site .in{max-width:760px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--fg);text-decoration:none}
.logo{width:34px;height:34px;border-radius:10px;background:#1565C0;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
nav{display:flex;gap:4px 14px;flex-wrap:wrap;margin-left:auto;font-size:14px}
nav a{text-decoration:none;color:var(--muted);padding:4px 0}
nav a[aria-current="page"]{color:var(--navy);font-weight:600}
main{max-width:760px;margin:0 auto;padding:24px 16px 56px}
h1{font-size:28px;line-height:1.25;margin:8px 0 12px}
h2{font-size:20px;margin:34px 0 8px}
h3{font-size:16px;margin:22px 0 4px}
p,li{color:var(--fg)}
.muted{color:var(--muted)}
.lead{font-size:18px;color:var(--muted);margin:0 0 20px}
.badge{display:inline-block;background:var(--gold);color:#1A1A1A;font-weight:700;font-size:12px;letter-spacing:.04em;text-transform:uppercase;padding:3px 10px;border-radius:999px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 18px;margin:12px 0}
.grid{display:grid;gap:12px}
@media(min-width:640px){.grid.three{grid-template-columns:repeat(3,1fr)}}
.card h3{margin-top:0}
.btn{display:inline-block;text-decoration:none;font-weight:600;padding:13px 20px;border-radius:13px;margin:6px 8px 6px 0}
.btn.primary{background:#1565C0;color:#fff}
.btn.second{background:var(--soft);color:var(--navy)}
.note{border-left:4px solid var(--gold);background:var(--soft);padding:12px 14px;border-radius:0 12px 12px 0;margin:16px 0}
ol,ul{padding-left:22px}
li{margin:4px 0}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top}
footer{max-width:760px;margin:0 auto;padding:0 16px 40px;color:var(--muted);font-size:13px}
.center{text-align:center}