:root{--blue-900: #0A2F6B;--blue-700: #0D47A1;--blue-500: #1565C0;--ink: #16202e;--ink-soft: #55637a;--line: #e3e8f0;--bg: #f6f8fb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}.page{max-width:1060px;margin:0 auto;padding:0 20px 50px}.top{display:flex;align-items:center;gap:16px;padding:18px 0}.brand{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--blue-900);text-decoration:none}.brand img{width:28px;height:28px;border-radius:7px}.back{margin-left:auto;color:var(--ink-soft);text-decoration:none;font-size:15px;font-weight:600}.back:hover{color:var(--blue-700)}.intro{margin:12px 0 26px;max-width:720px}.intro h1{font-size:33px;line-height:1.15;margin:0 0 10px;color:var(--blue-900);letter-spacing:-.6px}.intro p{margin:0;color:var(--ink-soft)}.cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}@media(max-width:880px){.cols{grid-template-columns:1fr}}.panel{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px}.panel h2{margin:0 0 16px;font-size:18px;color:var(--blue-900)}.panel h3{margin:24px 0 10px;font-size:15px;color:var(--blue-900)}label{display:block;font-size:13px;font-weight:700;color:var(--ink-soft);margin-bottom:13px}input,select{display:block;width:100%;margin-top:5px;padding:10px 11px;font-size:15.5px;color:var(--ink);font-family:inherit;border:1px solid var(--line);border-radius:9px;background:#fff}input:focus,select:focus{outline:none;border-color:var(--blue-500)}.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.metrics{display:grid;grid-template-columns:1fr 1fr 1fr;gap:11px}.m{border-radius:12px;padding:15px 8px;text-align:center;background:#f7f9fc;border-top:4px solid}.m.cool{border-color:#0d47a1}.m.cool .val{color:#0d47a1}.m.heat{border-color:#b71c1c}.m.heat .val{color:#b71c1c}.m.vent{border-color:#1b5e20}.m.vent .val{color:#1b5e20}.m .val{font-size:27px;font-weight:800;line-height:1.1}.m .u{font-size:11px;color:var(--ink-soft)}.m .lbl{font-size:12px;margin-top:3px;color:var(--ink-soft)}.frig{margin:16px 0 0;font-size:15px;color:var(--ink-soft)}.frig strong{color:var(--blue-900)}.bars{margin-top:4px}.bar{margin-bottom:11px}.bt{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-soft);margin-bottom:4px}.track{height:7px;border-radius:5px;background:#eef1f6;overflow:hidden}.track div{height:100%;border-radius:5px}.note{font-size:12.5px;color:var(--ink-soft);margin:18px 0 0;line-height:1.55}.cta{margin-top:24px;padding:20px;border-radius:13px;background:linear-gradient(135deg,var(--blue-700),var(--blue-500));color:#fff}.cta h3{margin:0 0 7px;color:#fff;font-size:17px}.cta p{margin:0 0 15px;font-size:14.5px;color:#ffffffe6}.btn{display:inline-block;background:#fff;color:var(--blue-900);padding:11px 20px;border-radius:10px;font-weight:800;text-decoration:none;font-size:15px}.foot{display:flex;gap:20px;flex-wrap:wrap;margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:14px}.foot a{color:var(--ink-soft);text-decoration:none}.foot a:hover{color:var(--blue-700)}