#rechner .r-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:28px;margin-top:22px}
#rechner .r-box{background:#fff;border:1px solid var(--linie);border-radius:8px;padding:24px}
#rechner .r-box h3{margin-top:0}
#rechner .r-felder{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}
#rechner label{display:block;font-size:14px;font-weight:600;color:var(--blau)}
#rechner input[type=text],#rechner input[type=email],#rechner input[type=tel],#rechner select,#rechner textarea{
  width:100%;margin-top:4px;padding:9px 11px;border:1px solid #c9d2dc;border-radius:5px;font:inherit;font-size:15px;background:#fff;color:var(--text)}
#rechner textarea{min-height:150px;resize:vertical}
#rechner .voll{grid-column:1/-1}
#rechner .r-check{display:flex;gap:8px;align-items:center;font-weight:600;margin:14px 0 6px}
#rechner .r-kpis{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
#rechner .r-kpi{background:var(--bg2);border-radius:6px;padding:12px 14px}
#rechner .r-kpi span{display:block;font-size:13px;color:var(--grau)}
#rechner .r-kpi b{font-size:19px;color:var(--blau)}
#rechner .r-hl{background:#e8f3e8;border-left:4px solid var(--gruen)}
#rechner .r-hl b{color:var(--gruen)}
#rechner .r-produkt{display:flex;gap:18px;flex-wrap:wrap;background:var(--blau);color:#fff;border-radius:8px;padding:18px 22px;margin:8px 0 18px}
#rechner .r-produkt b{display:block;font-size:20px}
#rechner .r-produkt span{font-size:13px;opacity:.85}
#rechner details{margin-top:24px;background:#fff;border:1px solid var(--linie);border-radius:8px;padding:12px 20px}
#rechner summary{cursor:pointer;font-weight:700;color:var(--blau)}
#rechner details .r-felder{grid-template-columns:repeat(4,1fr);margin-top:14px}
#rechner .r-hinweis{font-size:14px;color:var(--grau);margin-top:10px}
#rechner .r-trenn{margin-top:48px}
@media(max-width:860px){#rechner .r-grid{grid-template-columns:1fr}#rechner details .r-felder{grid-template-columns:1fr 1fr}}
@media(max-width:480px){#rechner .r-felder,#rechner .r-kpis{grid-template-columns:1fr}}