:root{--bg:#f7f9fb;--fg:#17212b;--muted:#5b6875;--brand:#0b6e4f;--brand-d:#08543c;--accent:#f2b705;--card:#fff;--line:#e2e8ee;--r:10px}
*{box-sizing:border-box}
body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--fg);background:var(--bg)}
a{color:var(--brand)}a:hover{color:var(--brand-d)}
img{max-width:100%;height:auto}
.container{max-width:1120px;margin:0 auto;padding:0 16px}
.container.narrow{max-width:760px;padding-top:24px;padding-bottom:40px}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--fg)}
.bolt{color:var(--accent)}
.main-nav{display:flex;gap:14px;flex-wrap:wrap;flex:1}
.main-nav a{text-decoration:none;color:var(--fg);font-size:.95rem;padding:4px 0}
.main-nav a:hover{color:var(--brand)}
.search{display:flex;gap:6px}
.search input{padding:7px 10px;border:1px solid var(--line);border-radius:8px;font-size:.95rem;width:170px}
.search button,.btn{background:var(--brand);color:#fff;border:0;border-radius:8px;padding:8px 14px;font-size:.95rem;cursor:pointer;text-decoration:none;display:inline-block}
.search button:hover,.btn:hover{background:var(--brand-d);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;font-size:1.2rem;padding:2px 10px;margin-left:auto}
.hero{background:linear-gradient(135deg,#0b6e4f,#0a4f3a);color:#fff;padding:44px 0}
.hero h1{margin:0 0 8px;font-size:2rem;line-height:1.2}
.hero p{margin:0 0 18px;max-width:640px;opacity:.95}
.hero .btn{background:var(--accent);color:#1b1b1b;font-weight:600}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;padding-top:28px;padding-bottom:40px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column}
.card h3{margin:6px 0;font-size:1.1rem;line-height:1.3}
.card h3 a{text-decoration:none;color:var(--fg)}.card h3 a:hover{color:var(--brand)}
.card p{margin:0 0 10px;color:var(--muted);font-size:.95rem}
.tag{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--brand);font-weight:700;text-decoration:none}
.meta{color:var(--muted);font-size:.85rem;margin-top:auto}
article.post{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
article.post h1{margin-top:4px;line-height:1.25}
.post-body h2{margin-top:1.8em}
.post-body ul,.post-body ol{padding-left:1.3em}
.crumbs{font-size:.85rem;color:var(--muted)}.crumbs a{color:var(--muted)}
.notice{background:#fff8e1;border-left:4px solid var(--accent);padding:10px 14px;border-radius:6px;font-size:.9rem;margin:18px 0}
.sidebar .widget{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;margin-bottom:18px}
.sidebar h3{margin:0 0 8px;font-size:1rem}
ul.plain{list-style:none;margin:0;padding:0}ul.plain li{padding:5px 0;border-bottom:1px solid var(--line);font-size:.95rem}ul.plain li:last-child{border:0}
.sidebar{align-self:start}
.ad-wrap{margin:24px 0;text-align:center;min-height:120px;clear:both}
.ad-label{display:block;font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
.ad-sidebar{position:static}
.pager{display:flex;gap:10px;margin-top:24px}
.pager a{padding:6px 12px;border:1px solid var(--line);border-radius:8px;text-decoration:none;background:#fff}
.form label{display:block;margin:12px 0 4px;font-weight:600}
.form input[type=text],.form input[type=email],.form input[type=number],.form input[type=password],.form textarea,.form select{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;font:inherit}
.form textarea{min-height:120px}
.hp{position:absolute;left:-9999px}
.calc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.calc table{width:100%;border-collapse:collapse;margin-top:14px}
.calc th,.calc td{text-align:left;padding:8px;border-bottom:1px solid var(--line)}
.result{font-size:1.4rem;font-weight:700;color:var(--brand)}
.site-footer{background:#10201a;color:#cfe3da;padding:28px 0 12px;margin-top:20px}
.site-footer a{color:#cfe3da;margin-right:14px}
.footer-inner{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-inner p{max-width:420px;font-size:.9rem}
.copy{font-size:.8rem;opacity:.7;margin-top:12px}
table.admin{width:100%;border-collapse:collapse;background:#fff}
table.admin th,table.admin td{padding:8px;border-bottom:1px solid var(--line);text-align:left;font-size:.93rem}
@media(max-width:860px){
 .layout{grid-template-columns:1fr}
 .nav-toggle{display:block}
 .main-nav,.search{display:none;width:100%}
 body.nav-open .main-nav{display:flex;flex-direction:column}
 body.nav-open .search{display:flex}
 .hero h1{font-size:1.6rem}
}