:root{--bg:#faf8f4;--card:#fff;--ink:#22302c;--muted:#5d6b66;--brand:#0f766e;--brand-d:#0a524c;--accent:#e4f3f1;--warm:#f4e9d8;--line:#e3ded3;--radius:14px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:17px}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.3}
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:var(--bg);border-bottom:2px solid var(--brand);position:sticky;top:0;z-index:50}
.header-in{display:flex;align-items:center;justify-content:space-between;min-height:70px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-family:Georgia,serif;font-weight:700;font-size:1.3rem;color:var(--brand-d);text-decoration:none}
.logo{background:var(--brand);color:#fff;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-size:.9rem;font-family:"Segoe UI",sans-serif}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;flex-wrap:wrap}
.main-nav a{display:block;padding:8px 11px;border-radius:999px;text-decoration:none;color:var(--ink);font-size:.9rem;font-weight:500}
.main-nav a:hover,.main-nav a.active{background:var(--brand);color:#fff}
.nav-toggle{position:absolute;left:-9999px}
.nav-btn{display:none;cursor:pointer;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff}
.nav-btn span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0}
.hero{background:var(--warm);padding:70px 0 60px;border-bottom:1px solid var(--line)}
.hero h1{font-size:2.5rem;margin:0 0 16px;max-width:780px;color:var(--brand-d)}
.hero p{max-width:660px;font-size:1.12rem;margin:0 0 26px;color:#3d4c47}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:12px 24px;border-radius:999px;font-weight:600;text-decoration:none;margin-right:10px;margin-bottom:8px}
.btn:hover{background:var(--brand-d);color:#fff}
.btn.alt{background:transparent;color:var(--brand-d);border:2px solid var(--brand)}
.btn.alt:hover{background:var(--accent);color:var(--brand-d)}
section.block{padding:46px 0}
section.block h2{font-size:1.75rem;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(270px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--brand);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column}
.card h3{margin:10px 0 8px;font-size:1.13rem}
.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:.74rem;font-weight:700;padding:3px 11px;border-radius:999px;letter-spacing:.3px;align-self:flex-start}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-decoration:none;color:var(--ink);display:block}
.cat-card:hover{border-color:var(--brand);box-shadow:0 6px 18px rgba(15,118,110,.12)}
.cat-card h3{margin:0 0 6px;color:var(--brand-d)}
.cat-card p{margin:0;color:var(--muted);font-size:.95rem}
.feature{background:var(--accent);border-radius:var(--radius);padding:28px;display:flex;gap:20px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.feature h3{margin:8px 0 6px;font-size:1.35rem}
.feature p{margin:0;color:#3d4c47;max-width:720px}
.page-head{background:var(--warm);border-bottom:1px solid var(--line);padding:44px 0}
.page-head h1{margin:0 0 8px;font-size:2.1rem;color:var(--brand-d)}
.page-head p{margin:0;color:#3d4c47;max-width:760px}
.crumbs{font-size:.88rem;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;padding:26px 0 56px}
.content{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.content h1{font-size:2.05rem;margin:8px 0 10px;color:var(--brand-d)}
.content h2{font-size:1.4rem;margin:32px 0 10px;color:var(--ink)}
.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:8px 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:#12302c;color:#cfe0dc;padding:44px 0 20px;margin-top:20px}
.site-footer h3{color:#fff;margin:0 0 10px;font-size:1.05rem}
.site-footer a{color:#cfe0dc;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 #2a4a45;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:960px){
.layout{grid-template-columns:1fr}
.foot-grid{grid-template-columns:1fr}
.hero h1{font-size:1.85rem}
.nav-btn{display:block}
.main-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:2px solid var(--brand);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}}