:root{--bg:#f6f7f2;--ink:#17201a;--muted:#5c6b61;--card:#fff;--line:#dfe5dc;--accent:#177245;--accent2:#0f5132;--warn:#9a5b00;--soft:#eaf5ee}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}a{color:var(--accent2)}.wrap{width:min(1120px,100%);margin:auto;padding:0 18px}.top{border-bottom:1px solid var(--line);background:rgba(246,247,242,.92);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}.brand{font-weight:900;font-size:22px;letter-spacing:-.04em;text-decoration:none;color:var(--ink)}.menu{display:flex;gap:16px;flex-wrap:wrap}.menu a{text-decoration:none;color:var(--muted);font-weight:650}.hero{padding:58px 0 36px}.badge{display:inline-flex;gap:8px;align-items:center;background:var(--soft);color:var(--accent);padding:8px 12px;border-radius:999px;font-weight:800;font-size:14px}.h1,h1{font-size:clamp(36px,6vw,72px);line-height:.96;letter-spacing:-.055em;margin:20px 0 18px}.lead{font-size:clamp(18px,2.2vw,24px);color:var(--muted);max-width:820px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid2{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:start}.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 18px 60px rgba(23,32,26,.06)}.card h2,.card h3{margin-top:0}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:white;text-decoration:none;border:0;border-radius:14px;padding:13px 18px;font-weight:800;cursor:pointer}.btn.secondary{background:#e8efe9;color:var(--accent2)}.section{padding:34px 0}.muted{color:var(--muted)}.list{display:grid;gap:10px;padding-left:0;list-style:none}.list li{padding:12px 14px;background:#fbfcfa;border:1px solid var(--line);border-radius:14px}.calc label{display:block;font-weight:800;margin:12px 0 6px}.calc input,.calc select{width:100%;padding:12px;border:1px solid #cdd8d0;border-radius:12px;font:inherit;background:white}.result{background:#102016;color:#eafff1;border-radius:22px;padding:22px;margin-top:18px}.result strong{color:#9ff0bd}.warn{background:#fff8e8;border:1px solid #efd28e;color:#5f3a00;border-radius:16px;padding:14px;margin-top:12px}.ok{background:#eaf8ef;border:1px solid #bce4c7;color:#123d22;border-radius:16px;padding:14px;margin-top:12px}.article{max-width:860px}.article h1{font-size:clamp(32px,5vw,56px)}.article h2{margin-top:34px}.breadcrumbs{font-size:14px;color:var(--muted);margin-top:18px}.footer{margin-top:48px;padding:28px 0;border-top:1px solid var(--line);color:var(--muted)}code{background:#edf2ee;padding:2px 6px;border-radius:6px}.tablelike{display:grid;gap:8px}.row{display:grid;grid-template-columns:1fr 1.2fr;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}.appliance-group{border:1px solid var(--line);border-radius:18px;padding:14px;margin:16px 0;background:#fbfcfa}.appliance-group legend{font-weight:900;color:var(--accent2);padding:0 8px}.appliance-row{display:grid;grid-template-columns:1.4fr .65fr .8fr .8fr;gap:10px;align-items:end;padding:10px 0;border-bottom:1px solid var(--line)}.appliance-row:last-child{border-bottom:0}.appliance-row label{margin:0;font-size:13px}.appliance-name small{display:block;color:var(--muted);font-weight:500;margin-top:4px}.result .btn.secondary{background:#eafff1;color:#0f5132}.pill{display:inline-block;border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 10px;margin:3px 4px 3px 0;font-size:14px}.checklist li{margin-bottom:8px}@media(max-width:820px){.grid,.grid2{grid-template-columns:1fr}.menu{font-size:14px}.card{padding:20px}.row{grid-template-columns:1fr}.appliance-row{grid-template-columns:1fr 1fr}.appliance-name{grid-column:1/-1}}