.wrap{max-width:980px;margin:0 auto;padding:28px 18px}.page-head{margin-bottom:22px}.page-head h1{font-size:clamp(30px,5vw,48px);margin:0 0 10px}.page-head p{color:var(--ink-soft);max-width:760px}.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.card{background:#fff;border:1px solid #e7e7e7;border-radius:18px;padding:22px;box-shadow:0 8px 28px rgba(0,0,0,.04)}.field{margin:0 0 16px}.field label{display:block;font-weight:700;margin-bottom:7px}.field input,.field select{width:100%;box-sizing:border-box;padding:12px;border:1px solid #ccc;border-radius:10px;font:inherit}.btn{border:0;border-radius:11px;padding:12px 18px;background:#111;color:#fff;font-weight:800;cursor:pointer}.result{font-size:32px;font-weight:900;margin:10px 0}.muted,.note{color:var(--ink-soft);font-size:14px;line-height:1.6}.note{margin-top:18px;padding:14px;border-radius:12px;background:#f7f7f7}.links{margin-top:14px}.links a{font-weight:700}@media(max-width:720px){.calc-grid{grid-template-columns:1fr}}