.stm-pump{--sc-blue:#003ddb;--sc-ink:#202c40;--sc-line:#dce4ef;color:var(--sc-ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif;margin:0 auto 48px;max-width:1200px}.stm-pump *{box-sizing:border-box}.stm-pump [hidden]{display:none!important}.stm-pump-intro{padding:28px 32px;margin-bottom:24px;background:linear-gradient(120deg,#edf3ff,#f5f8fc);border-radius:20px;border:1px solid #e3ebfa}.stm-pump-eyebrow{font-size:11px;letter-spacing:.13em;font-weight:750;color:var(--sc-blue)}.stm-pump h2{font-size:clamp(24px,3vw,34px);line-height:1.2;margin:10px 0 14px;color:var(--sc-ink)}.stm-pump p{margin:0 0 12px}.stm-pump-intro p{max-width:730px;margin:0}.stm-pump-app{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:24px;align-items:start}.stm-pump fieldset{min-width:0;padding:20px 22px 24px;margin:0 0 20px;border:1px solid var(--sc-line);border-radius:16px;background:#fff}.stm-pump legend{padding:0 8px;font-size:18px;font-weight:700;width:auto;margin:0;color:var(--sc-ink)}.stm-pump legend b{display:inline-grid;place-items:center;width:28px;height:28px;margin-right:8px;border-radius:9px;background:#edf3ff;color:var(--sc-blue);font-size:14px}.stm-pump-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 16px}.stm-pump label{display:block;font-size:13px;font-weight:600;line-height:1.4;margin:0;color:#3d4c63}.stm-pump input[type=number],.stm-pump select{display:block;width:100%;max-width:100%;height:46px;min-height:46px;margin:7px 0 0;padding:9px 12px;background-color:#f8fafc;color:#202c40;border:1px solid #cbd5e3;border-radius:9px;box-shadow:none;font:500 15px/1.4 system-ui,sans-serif}.stm-pump select{padding-right:28px}.stm-pump input:focus-visible,.stm-pump select:focus-visible,.stm-pump button:focus-visible,.stm-pump a:focus-visible,.stm-pump summary:focus-visible{outline:3px solid #9fbaff;outline-offset:3px}.stm-pump .stm-pump-check{display:flex;gap:10px;align-items:center;margin:0 0 16px;font-size:14px}.stm-pump-check input{appearance:auto!important;position:static!important;opacity:1!important;width:19px!important;height:19px!important;margin:0!important;flex:0 0 19px;accent-color:var(--sc-blue)}.stm-pump .stm-pump-hint{font-size:12px;line-height:1.6;color:#637087;margin:10px 0}.stm-pump-actions{display:flex;gap:12px}.stm-pump button,.stm-pump-catalog{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:11px 22px;border:0;border-radius:10px;background:var(--sc-blue);color:white!important;text-decoration:none!important;font:650 15px/1.4 system-ui,sans-serif;cursor:pointer;letter-spacing:normal;text-transform:none}.stm-pump button:hover,.stm-pump-catalog:hover{background:#0032b7}.stm-pump button.stm-pump-reset{background:#edf1f7;color:#3d4c63!important}.stm-pump-result{padding:24px;border:1px solid #d6e3fb;border-radius:18px;background:#f5f8ff;scroll-margin-top:100px}.stm-pump h3{font-size:21px;margin:8px 0 18px;line-height:1.3;color:var(--sc-ink)}.stm-pump-powers{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stm-pump-powers>div{padding:15px 12px;background:white;border:1px solid #e1e8f5;border-radius:12px}.stm-pump-powers span{font-size:12px;display:block;color:#56657e}.stm-pump-powers strong{display:block;color:var(--sc-blue);font-size:clamp(22px,2.4vw,30px);white-space:nowrap;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.stm-pump .stm-pump-summary{font-size:13px;margin:15px 0 20px}.stm-pump-losses>div{display:grid;grid-template-columns:1fr auto;gap:6px;margin:0 0 12px;font-size:13px}.stm-pump-losses b{font-variant-numeric:tabular-nums}.stm-pump-losses i{grid-column:1/-1;height:5px;background:linear-gradient(to right,#6c95f4 var(--loss),#e0e8f7 var(--loss));border-radius:4px}.stm-pump-catalog{font-size:13px;width:100%;margin:12px 0 0;padding:12px}.stm-pump-radiators{margin-top:24px;padding-top:20px;border-top:1px solid #d6e3fb}.stm-pump-radiators>strong{display:block;text-align:right;font-size:18px;color:var(--sc-blue);margin:7px 0 18px;font-variant-numeric:tabular-nums}.stm-pump-method{margin:28px 0 16px;padding:18px 22px;border:1px solid var(--sc-line);border-radius:12px;font-size:13px;color:#526178}.stm-pump-method summary{cursor:pointer;font-weight:650;font-size:15px;color:#202c40}.stm-pump-method[open] summary{margin-bottom:15px}.stm-pump-download{font-size:14px;font-weight:600;color:var(--sc-blue)}.stm-pump-error{padding:16px;border-radius:10px;background:#fff1ef;color:#982b1b;font-size:14px}@media(max-width:1000px){.stm-pump-app{gap:16px}.stm-pump-result{padding:18px}.stm-pump-powers{grid-template-columns:1fr}.stm-pump-powers>div{display:flex;align-items:center;justify-content:space-between;gap:10px}.stm-pump-fields{grid-template-columns:1fr}}@media(max-width:760px){.stm-pump-app{grid-template-columns:1fr}.stm-pump-intro{padding:22px}.stm-pump fieldset{padding:16px}.stm-pump-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.stm-pump legend{font-size:16px}.stm-pump-result{padding:22px}.stm-pump input[type=number],.stm-pump select{font-size:16px}.stm-pump-actions button{flex:1}}@media(max-width:440px){.stm-pump-fields{grid-template-columns:1fr}.stm-pump-intro{padding:20px}.stm-pump legend{font-size:15px}.stm-pump-result{padding:18px}}

.stm-pump-notices p{padding:12px 14px;border-radius:10px;background:#fff7e5;color:#765112;font-size:13px;line-height:1.5}.stm-pump-notices p.stm-pump-ok{background:#eaf6ee;color:#24613a}.stm-pump-explanation{margin:20px 0 6px;font-size:13px}.stm-pump-explanation strong{display:block;margin-bottom:6px}.stm-pump .stm-pump-secondary{background:#e5edff;color:#003ddb!important}.stm-pump .stm-pump-secondary:hover{background:#d4e2ff}.stm-pump-method p:last-child{margin-bottom:0}

.stm-pump .stm-pump-mode{margin:0 0 24px}.stm-pump-fields>label{display:flex;flex-direction:column;justify-content:space-between}.stm-pump-powers strong{font-size:clamp(20px,2.1vw,28px)}