:root{--bg:#f6f8fb;--card:#fff;--ink:#1c2733;--muted:#566474;--brand:#0b5cad;--brand-d:#084782;--accent:#e8f1fb;--line:#dde4ec;--radius:12px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:17px}
img,svg{max-width:100%}
a{color:var(--brand)}
a:hover{color:var(--brand-d)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:#000;color:#fff;padding:10px;z-index:100}
.skip:focus{left:10px}
.sr{position:absolute;left:-9999px}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-in{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;color:var(--ink);text-decoration:none}
.logo{background:var(--brand);color:#fff;width:36px;height:36px;border-radius:9px;display:grid;place-items:center;font-size:.95rem;letter-spacing:.5px}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;flex-wrap:wrap}
.main-nav a{display:block;padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-size:.95rem;font-weight:500}
.main-nav a:hover,.main-nav a.active{background:var(--accent);color:var(--brand-d)}
.nav-toggle{position:absolute;left:-9999px}
.nav-btn{display:none;cursor:pointer;padding:10px;border:1px solid var(--line);border-radius:8px}
.nav-btn span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0}
.hero{background:linear-gradient(135deg,#0b5cad,#0a3f7a);color:#fff;padding:64px 0}
.hero h1{font-size:2.3rem;line-height:1.2;margin:0 0 14px;max-width:760px}
.hero p{max-width:680px;font-size:1.1rem;margin:0 0 24px;color:#e3eefb}
.btn{display:inline-block;background:#fff;color:var(--brand-d);padding:12px 22px;border-radius:9px;font-weight:600;text-decoration:none;margin-right:10px;margin-bottom:8px}
.btn:hover{background:var(--accent);color:var(--brand-d)}
.btn.alt{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn.alt:hover{background:rgba(255,255,255,.12);color:#fff}
section.block{padding:48px 0}
section.block h2{font-size:1.7rem;margin:0 0 8px}
.lead{color:var(--muted);margin:0 0 26px;max-width:720px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column}
.card h3{margin:8px 0;font-size:1.12rem;line-height:1.4}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--brand)}
.card p{color:var(--muted);font-size:.95rem;margin:0 0 14px;flex:1}
.more{font-weight:600;text-decoration:none;font-size:.95rem}
.tag{display:inline-block;background:var(--accent);color:var(--brand-d);font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.4px;align-self:flex-start}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-decoration:none;color:var(--ink);display:block}
.cat-card:hover{border-color:var(--brand);box-shadow:0 4px 14px rgba(11,92,173,.1)}
.cat-card h3{margin:0 0 6px;color:var(--brand-d)}
.cat-card p{margin:0;color:var(--muted);font-size:.95rem}
.feature{background:#fff;border:1px solid var(--line);border-left:5px solid var(--brand);border-radius:var(--radius);padding:24px;display:flex;gap:20px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.feature h3{margin:0 0 6px}
.feature p{margin:0;color:var(--muted);max-width:720px}
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:40px 0}
.page-head h1{margin:0 0 8px;font-size:2rem;line-height:1.25}
.page-head p{margin:0;color:var(--muted);max-width:760px}
.crumbs{font-size:.88rem;color:var(--muted);padding:16px 0 0}
.crumbs a{color:var(--muted)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;padding:32px 0 56px}
.content{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.content h1{font-size:2rem;line-height:1.3;margin:6px 0 10px}
.content h2{font-size:1.4rem;margin:32px 0 10px;line-height:1.35}
.content p{margin:0 0 16px}
.content ul,.content ol{padding-left:24px;margin:0 0 18px}
.content li{margin-bottom:6px}
.meta{color:var(--muted);font-size:.9rem;margin-bottom:22px}
.note{font-size:.9rem;color:var(--muted);background:var(--accent);padding:12px 14px;border-radius:8px}
.table-wrap{overflow-x:auto;margin:16px 0 20px}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:.93rem}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--accent);color:var(--brand-d)}
.sidebar .box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:20px}
.sidebar h3{margin:0 0 10px;font-size:1.05rem}
.sidebar ul{list-style:none;margin:0;padding:0}
.sidebar li{padding:7px 0;border-bottom:1px solid var(--line);font-size:.95rem;line-height:1.45}
.sidebar li:last-child{border:0}
.sidebar a{text-decoration:none}
.sidebar a:hover{text-decoration:underline}
.disc{font-size:.88rem;color:var(--muted);border-top:1px solid var(--line);margin-top:30px;padding-top:16px}
.site-footer{background:#10202f;color:#c9d6e2;padding:44px 0 20px;margin-top:20px}
.site-footer h3{color:#fff;margin:0 0 10px;font-size:1.05rem}
.site-footer a{color:#c9d6e2;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:6px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.legal{border-top:1px solid #243a50;margin-top:26px;padding-top:16px;font-size:.85rem}
.contact-box{background:var(--accent);border-radius:var(--radius);padding:22px;margin:18px 0}
.contact-box p{margin:0}
@media (max-width:900px){
.layout{grid-template-columns:1fr}
.foot-grid{grid-template-columns:1fr}
.hero h1{font-size:1.8rem}
.nav-btn{display:block}
.main-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 16px}
.nav-toggle:checked ~ .main-nav{display:block}
.main-nav ul{flex-direction:column}
.header-in{position:relative}
.content{padding:22px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}