:root{--bg:#fafaf7;--card:#fff;--text:#1d2420;--muted:#5b665f;--brand:#1f7a4d;--brand-dark:#155c39;--line:#e3e7e2;--accent:#f2b134}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:17px}
a{color:var(--brand)}
a:hover{color:var(--brand-dark)}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;max-width:1100px;margin:0 auto;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.35rem;color:var(--text);text-decoration:none}
.logo span{color:var(--brand)}
.nav ul{list-style:none;display:flex;gap:18px;margin:0;padding:0;flex-wrap:wrap}
.nav ul a{text-decoration:none;color:var(--muted);font-weight:600;font-size:.95rem}
.nav ul a:hover{color:var(--brand)}
.hero{background:linear-gradient(135deg,#1f7a4d,#2f9b66);color:#fff;padding:56px 0}
.hero h1{font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.2;margin:0 0 12px}
.hero p{font-size:1.15rem;max-width:640px;margin:0;opacity:.95}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px;margin:36px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;display:flex;flex-direction:column}
.card h2,.card h3{margin:6px 0 8px;font-size:1.2rem;line-height:1.35}
.card h2 a,.card h3 a{color:var(--text);text-decoration:none}
.card h2 a:hover,.card h3 a:hover{color:var(--brand)}
.card p{color:var(--muted);margin:0 0 14px;flex:1}
.tag{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--brand)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;margin:36px auto}
@media(max-width:900px){.layout{grid-template-columns:1fr}}
article{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:clamp(20px,4vw,44px)}
article h1{font-size:clamp(1.7rem,3.5vw,2.3rem);line-height:1.2;margin:8px 0 10px}
article h2{margin-top:2em;font-size:1.45rem;line-height:1.3}
article h3{margin-top:1.5em;font-size:1.15rem}
.meta{color:var(--muted);font-size:.9rem;margin-bottom:24px}
.box{background:#eef6f1;border-left:4px solid var(--brand);padding:14px 18px;border-radius:6px;margin:22px 0}
.warn{background:#fff7e6;border-left-color:var(--accent)}
table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.95rem}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left}
th{background:#f1f4f1}
.tablewrap{overflow-x:auto}
aside .widget{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:22px}
aside h3{margin-top:0;font-size:1.05rem}
aside ul{padding-left:18px;margin:0}
aside li{margin-bottom:8px}
.ad-slot{margin:28px 0;min-height:90px;text-align:center}
.calc{background:#f6f8f5;border:1px solid var(--line);border-radius:12px;padding:20px;margin:24px 0}
.calc label{display:block;font-weight:600;font-size:.92rem;margin:10px 0 4px}
.calc input{width:100%;padding:10px;border:1px solid #c9d1ca;border-radius:8px;font-size:1rem}
.calc .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.calc button{margin-top:16px;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:12px 22px;font-size:1rem;font-weight:700;cursor:pointer}
.calc button:hover{background:var(--brand-dark)}
.result{margin-top:16px;font-size:1.1rem}
.result strong{color:var(--brand)}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:10px 18px;border-radius:8px;text-decoration:none;font-weight:700}
.btn:hover{background:var(--brand-dark);color:#fff}
footer{background:#18201b;color:#c9d1ca;margin-top:60px;padding:36px 0;font-size:.92rem}
footer a{color:#e7ece8}
footer .cols{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:6px}
.disclaimer{border-top:1px solid #333d36;margin-top:24px;padding-top:16px;font-size:.82rem;color:#9aa59d}
.page{max-width:820px;margin:36px auto}