.dxroi{
  --dxroi-blue:#1A5DA0; --dxroi-blue-dark:#134a82;
  --dxroi-tint:color-mix(in srgb, var(--dxroi-blue) 9%, #fff);
  --dxroi-top-bg:color-mix(in srgb, var(--dxroi-blue) 7%, #fff);
  --dxroi-ink:#16212a; --dxroi-sec:#5b6b7b; --dxroi-muted:#525a63;
  --dxroi-line:#dce3ea; --dxroi-card:#f4f7fa; --dxroi-hero:#eaecee;
  width:100%;background:#fff;border-radius:14px;overflow:hidden;
  box-shadow:0 1px 3px rgba(20,50,90,.08),0 8px 30px rgba(20,50,90,.06);
  color:var(--dxroi-ink);line-height:1.5;
font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
.dxroi *{box-sizing:border-box;}
.dxroi-head{background:var(--dxroi-blue);color:#fff;padding:26px 28px;position:relative;}
.dxroi-logo{position:absolute;top:22px;right:28px;height:46px;width:auto;max-width:40%;display:block;}
.dxroi-head h3,.dxroi-head p{padding-right:180px;}
.dxroi-head .dxroi-fact{padding-right:0;}
.dxroi-brand{font-size:28px;font-weight:700;letter-spacing:-.5px;line-height:1;}
.dxroi-brand small{display:block;font-size:10px;font-weight:600;letter-spacing:2px;color:rgba(255,255,255,.7);margin-top:3px;}
.dxroi-head h3{font-size:26px;margin:16px 0 4px;font-weight:600;color:#fff;}
.dxroi-head p{margin:0;color:rgba(255,255,255,.85);font-size:16px;}
.dxroi-sub-line{font-weight:700;color:#fff !important;}
.dxroi-fact{margin-top:12px !important;padding-top:12px;border-top:1px solid rgba(255,255,255,.25);color:#fff !important;font-size:16px;}
.dxroi-fact b{font-weight:700;font-size:19px;}
.dxroi-fact span{color:rgba(255,255,255,.7);font-size:14px;}
.dxroi-body{padding:0;}
.dxroi-top{background:var(--dxroi-top-bg);padding:24px 28px;}
.dxroi-main{background:#fff;padding:22px 28px 28px;}
.dxroi-grp{font-size:19px;color:var(--dxroi-blue);font-weight:600;margin:0 0 4px;}
.dxroi-hint{font-size:15px;color:var(--dxroi-muted);margin:0 0 12px;}
.dxroi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;}
.dxroi-mb{margin-bottom:22px;}.dxroi-mb-s{margin-bottom:10px;}
.dxroi label{display:block;font-size:16px;color:var(--dxroi-sec);margin-bottom:4px;}
.dxroi input[type=number],.dxroi input[type=text],.dxroi input[type=email]{
  width:100%;padding:12px 14px;border:1.5px solid var(--dxroi-line);border-radius:10px;
  font-size:18px;color:var(--dxroi-ink);background:#fff;font-family:inherit;transition:border-color .12s,box-shadow .12s;
}
.dxroi input:focus{outline:none;border:2px solid var(--dxroi-blue);box-shadow:0 0 0 3px color-mix(in srgb, var(--dxroi-blue) 20%, transparent);}
.dxroi input.dxroi-invalid{border-color:#c0392b;box-shadow:0 0 0 3px rgba(192,57,43,.15);}
.dxroi-info{background:none;border:none;padding:0 0 0 2px;margin:0;cursor:pointer;color:var(--dxroi-muted);vertical-align:-2px;font-size:17px;line-height:1;}
.dxroi-info:hover{color:var(--dxroi-blue);}
.dxroi-bd{margin:0 0 22px;border:1px solid var(--dxroi-line);border-radius:8px;padding:10px 14px;}
.dxroi-bd summary{cursor:pointer;font-size:16px;color:var(--dxroi-blue);font-weight:600;list-style:none;position:relative;padding-left:28px;}
.dxroi-bd summary::-webkit-details-marker{display:none;}
.dxroi-bd summary::before{content:'+';position:absolute;left:0;top:0;width:20px;height:20px;line-height:18px;text-align:center;border:1px solid var(--dxroi-blue);border-radius:4px;font-size:16px;font-weight:700;}
.dxroi-bd[open] summary::before{content:'\2212';}
.dxroi-bd-hint{font-size:15px;color:var(--dxroi-muted);margin:8px 0 12px;}
.dxroi-bd-sum{font-size:16px;color:var(--dxroi-sec);margin-top:12px;}
.dxroi-bd-sum b{color:var(--dxroi-ink);}

.dxroi-result{padding-top:0;}
.dxroi-result h4{font-size:24px;color:var(--dxroi-blue);margin:0 0 10px;}
.dxroi-kpd{font-size:17px;color:var(--dxroi-sec);margin-bottom:14px;}
.dxroi-kpd b{color:var(--dxroi-ink);}
.dxroi-sub{font-size:19px;font-weight:600;color:var(--dxroi-blue);border-bottom:1px solid var(--dxroi-line);padding-bottom:6px;margin:14px 0 10px;}
.dxroi-sub-note{font-weight:400;font-size:14px;color:var(--dxroi-muted);}
.dxroi-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 24px;font-size:17px;color:var(--dxroi-sec);}
.dxroi-facts b{color:var(--dxroi-ink);}
.dxroi-note{font-size:14px;color:var(--dxroi-muted);line-height:1.55;margin-top:10px;}
.dxroi-cmp{display:grid;grid-template-columns:1fr 1fr;gap:22px 30px;align-items:start;}
.dxroi-cmp-col{padding:0 18px;}
.dxroi-cmp-h{font-size:15px;font-weight:700;color:var(--dxroi-ink);margin-bottom:8px;}
.dxroi-cmp-row{display:flex;justify-content:space-between;gap:16px;font-size:17px;color:var(--dxroi-sec);padding:5px 0;border-bottom:1px solid var(--dxroi-line);}
.dxroi-cmp-row b{color:var(--dxroi-ink);white-space:nowrap;}
.dxroi-sub-mt{margin-top:28px;}
.dxroi-leasing ul{margin:8px 0;padding-left:20px;}
.dxroi-leasing li{font-size:14px;color:var(--dxroi-muted);line-height:1.5;margin-bottom:4px;}
.dxroi-leasing-h{font-weight:600;color:var(--dxroi-sec) !important;margin-top:10px !important;}
.dxroi-leasing-log{font-size:13px !important;font-style:italic;}
.dxroi-framing{font-size:17px;color:var(--dxroi-sec);line-height:1.6;margin:20px 0 12px;}
.dxroi-hero-wrap{display:block;}
.dxroi-fazit{background:var(--dxroi-hero);border-radius:12px;padding:20px 22px;margin:26px 0 16px;text-align:center;}
.dxroi-fazit-h{font-size:22px;font-weight:700;color:#283440;margin-bottom:8px;letter-spacing:.3px;}
.dxroi-fazit-t{font-size:18px;color:#283440;line-height:1.55;}
.dxroi-fazit-t b{font-weight:700;}
.dxroi-leasing p{font-size:15px;color:var(--dxroi-muted);line-height:1.55;margin:0 0 8px;}
.dxroi-leasing .dxroi-cta-line{font-weight:600;color:var(--dxroi-sec);font-size:16px;}

.dxroi-zones{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:24px;}
.dxroi-zone{background:var(--dxroi-card);border-radius:12px;padding:16px;}
.dxroi-zone-h{font-size:16px;font-weight:600;color:var(--dxroi-sec);margin-bottom:10px;}
.dxroi-btn-pri,.dxroi-btn-sec{width:100%;border-radius:9px;padding:14px 16px;font-size:18px;font-weight:600;cursor:pointer;font-family:inherit;}
.dxroi-btn-pri{background:var(--dxroi-blue);color:#fff;border:none;}
.dxroi-btn-pri:hover{background:var(--dxroi-blue-dark);}
.dxroi-btn-sec{background:#fff;color:var(--dxroi-blue);border:1.5px solid var(--dxroi-blue);}
.dxroi-btn-sec:hover{background:var(--dxroi-tint);}
.dxroi-zone-note{font-size:15px;color:var(--dxroi-sec);line-height:1.5;margin-top:8px;}
.dxroi-consent-note{font-size:14px;color:var(--dxroi-muted);line-height:1.5;margin-top:6px;}
.dxroi-refer{margin-top:16px;text-align:center;}
.dxroi-refer-btn{display:inline-flex;align-items:center;gap:8px;background:none;border:none;padding:6px 10px;margin:0;cursor:pointer;font-family:inherit;font-size:15px;color:var(--dxroi-sec);border-radius:8px;transition:color .12s,background .12s;}
.dxroi-refer-btn:hover{color:var(--dxroi-blue);background:var(--dxroi-tint);}
.dxroi-refer-btn svg{flex:none;color:var(--dxroi-blue);}
.dxroi-refer-done{display:inline-block;margin-left:8px;font-size:15px;color:#1E8E5A;opacity:0;transition:opacity .15s;}
.dxroi-refer-done.show{opacity:1;}
.dxroi-msg{font-size:16px;color:#1E8E5A;margin-top:8px;min-height:1px;}
.dxroi-msg.err{color:#c0392b;}
.dxroi-msg a{color:var(--dxroi-blue);}
.dxroi-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}

.dxroi-adv{margin-top:28px;border-top:1px solid var(--dxroi-line);padding-top:22px;}
.dxroi-adv h4{font-size:21px;color:var(--dxroi-blue);margin:0 0 16px;}
.dxroi-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;align-items:start;}
.dxroi-col{min-width:0;}
.dxroi-group{margin:0 0 20px;}
.dxroi-col .dxroi-group:last-child{margin-bottom:0;}
.dxroi-group h5{font-size:17px;font-weight:700;color:var(--dxroi-ink);margin:0 0 8px;}
.dxroi-group ul{margin:0;padding-left:18px;}
.dxroi-group li{font-size:16px;color:var(--dxroi-sec);line-height:1.5;margin-bottom:5px;}
.dxroi-src{margin-top:20px;font-size:14px;color:var(--dxroi-muted);line-height:1.5;}
.dxroi-src div{margin-bottom:3px;}
.dxroi-src a{color:var(--dxroi-blue);}
@media (max-width:640px){
  .dxroi-head,.dxroi-top,.dxroi-main{padding-left:18px;padding-right:18px;}
  .dxroi-logo{height:32px;top:16px;right:18px;max-width:45%;}
  .dxroi-head h3,.dxroi-head p{padding-right:0;}
  .dxroi-head h3{margin-top:40px;font-size:17px;line-height:1.4;}
  .dxroi-facts{grid-template-columns:1fr;}
  .dxroi-cmp{grid-template-columns:1fr;}
  .dxroi-groups{grid-template-columns:1fr;}
  .dxroi-col .dxroi-group:last-child{margin-bottom:20px;}
  .dxroi-hero{grid-template-columns:1fr;}
}
.dxroi-pop{
  position:fixed;z-index:99999;max-width:300px;background:#fff;color:#16212a;
  border:1px solid #dce3ea;border-left:3px solid #1A5DA0;border-radius:8px;
  padding:11px 13px;font-size:16px;line-height:1.5;
  box-shadow:0 6px 24px rgba(20,50,90,.18);
}

/* =========================================================================
 * V4: Hero-Einsparungen, Säulendiagramme, eingeklappte Details
 * ====================================================================== */
.dxroi-hero2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 22px;}
.dxroi-hero2.single{grid-template-columns:1fr;}
.dxroi-hero-card{
  border-radius:14px;padding:22px 24px 20px;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(135deg, color-mix(in srgb, var(--dxroi-blue) 8%, #fff), color-mix(in srgb, var(--dxroi-blue) 16%, #fff));
  border:1px solid color-mix(in srgb, var(--dxroi-blue) 22%, #fff);
}
.dxroi-hero-card.green{background:linear-gradient(135deg,#eef8f2,#ddf1e6);border:1px solid #bfe3cf;}
.dxroi-hero-kicker{font-size:14px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--dxroi-sec);margin-bottom:6px;}
.dxroi-hero-val{font-size:44px;font-weight:800;line-height:1.05;color:var(--dxroi-blue);letter-spacing:-1px;}
.dxroi-hero-card.green .dxroi-hero-val{color:#1E8E5A;}
.dxroi-hero-val small{font-size:20px;font-weight:700;letter-spacing:0;}
.dxroi-hero-sub{font-size:15px;color:var(--dxroi-sec);margin-top:6px;line-height:1.45;}
.dxroi-hero-note{font-size:12.5px;color:var(--dxroi-muted);margin-top:8px;font-style:italic;}

.dxroi-vchart-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:2px 0 6px;}
.dxroi-vchart-card{background:var(--dxroi-card);border-radius:12px;padding:16px 18px 14px;}
.dxroi-vchart-title{font-size:16px;font-weight:700;color:var(--dxroi-ink);margin-bottom:2px;text-align:center;}
.dxroi-vchart-sub{font-size:12.5px;color:var(--dxroi-muted);text-align:center;margin-bottom:10px;min-height:18px;}
.dxroi-vchart{display:flex;align-items:flex-end;justify-content:center;gap:44px;height:190px;border-bottom:2px solid #c6d1db;padding:0 8px;}
.dxroi-vcol{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;width:92px;}
.dxroi-vcol-val{font-size:16px;font-weight:800;color:var(--dxroi-ink);white-space:nowrap;margin-bottom:5px;}
.dxroi-vcol-bar{width:100%;border-radius:8px 8px 0 0;height:0;transition:height .9s cubic-bezier(.25,.7,.3,1);min-height:3px;}
.dxroi-vcol-bar.man{background:#8fa3b5;}
.dxroi-vcol-bar.dx{background:var(--dxroi-blue);}
.dxroi-vchart-labels{display:flex;justify-content:center;gap:44px;padding:6px 8px 0;}
.dxroi-vchart-labels span{width:92px;text-align:center;font-size:14px;font-weight:600;color:var(--dxroi-sec);line-height:1.3;}
.dxroi-vchart-labels span small{display:block;font-weight:400;font-size:12px;}
.dxroi-vchart-badge{
  display:block;width:fit-content;margin:12px auto 0;
  background:#eef8f2;border:1px solid #bfe3cf;color:#1E8E5A;
  border-radius:999px;padding:4px 14px;font-size:14px;font-weight:700;text-align:center;
}
.dxroi-vchart-badge.blue{background:var(--dxroi-tint);border-color:color-mix(in srgb, var(--dxroi-blue) 25%, #fff);color:var(--dxroi-blue);}
.dxroi-vchart-note{font-size:12.5px;color:var(--dxroi-muted);margin-top:10px;font-style:italic;line-height:1.5;text-align:center;}

.dxroi-details{margin-top:20px;border:1px solid var(--dxroi-line);border-radius:10px;padding:12px 16px;}
.dxroi-details summary{cursor:pointer;font-size:16px;color:var(--dxroi-blue);font-weight:600;list-style:none;position:relative;padding-left:28px;}
.dxroi-details summary::-webkit-details-marker{display:none;}
.dxroi-details summary::before{content:'+';position:absolute;left:0;top:0;width:20px;height:20px;line-height:18px;text-align:center;border:1px solid var(--dxroi-blue);border-radius:4px;font-size:16px;font-weight:700;}
.dxroi-details[open] summary::before{content:'\2212';}
.dxroi-details-inner{padding-top:14px;}

@media (max-width:640px){
  .dxroi-hero2{grid-template-columns:1fr;}
  .dxroi-hero-val{font-size:36px;}
  .dxroi-vchart-wrap{grid-template-columns:1fr;}
  .dxroi-vchart{gap:28px;height:160px;}
  .dxroi-vcol{width:80px;}
  .dxroi-vchart-labels{gap:28px;}
  .dxroi-vchart-labels span{width:80px;}
}