.lt-heat{box-sizing:border-box;max-width:920px;margin:1.5rem auto;padding:clamp(16px,3vw,30px);border:1px solid #dce1e6;border-radius:14px;background:#fff;color:#1e293b;font:inherit}.lt-heat *{box-sizing:border-box}.lt-heat h2{margin:0 0 .6rem}.lt-heat h3{margin:0;font-size:1.15rem}.lt-intro{line-height:1.6}.lt-step{display:flex;gap:12px;align-items:center;margin:25px 0 12px}.lt-stepno{display:inline-flex;align-items:center;justify-content:center;background:#1e293b;color:#fff;border-radius:50%;height:28px;width:28px;flex:0 0 28px;font-weight:700}.lt-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.lt-heat label{display:flex;flex-direction:column;gap:5px;font-size:14px;font-weight:600}.lt-heat input:not([type=checkbox]):not([type=radio]),.lt-heat select{width:100%;min-height:42px;background:#fff;color:#1e293b;border:1px solid #bac4ce;border-radius:7px;padding:8px 10px;font:inherit}.lt-heat label small{font-size:12px;font-weight:400;color:#64748b;line-height:1.4}.lt-choice{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.lt-choice label{cursor:pointer;border:1px solid #bbc6d0;border-radius:10px;padding:15px;display:flex;flex-direction:row;gap:10px;align-items:flex-start}.lt-choice label:has(input:checked){background:#f6f4ef;border-color:#1e293b}.lt-choice label span{display:flex;flex-direction:column;gap:4px}.lt-choice input{margin:4px 0 0;flex-shrink:0}.lt-ack{margin:24px 0 12px;border:1px solid #dacdb3;background:#faf8f3;border-radius:9px;padding:16px}.lt-ack h3{margin-bottom:10px}.lt-ack p{font-size:13px;line-height:1.6}.lt-checkbox{display:flex!important;flex-direction:row!important;align-items:flex-start;gap:10px!important;line-height:1.5;font-weight:500!important}.lt-checkbox input{flex:0 0 auto;width:18px;height:18px;margin:3px 0 0}.lt-calculate{background:#1e293b;color:#fff;border:0;border-radius:7px;padding:13px 18px;font-size:16px;font-weight:700;cursor:pointer}.lt-calculate:disabled{cursor:not-allowed;opacity:.45}.lt-errors{margin-top:15px;color:#aa2424;font-weight:600}.lt-result{margin-top:22px;border:2px solid #1e293b;border-radius:10px;padding:20px}.lt-result h3{margin:0}.lt-result h4{margin:18px 0 6px}.lt-result p{font-size:14px;line-height:1.6}.lt-total{font-size:clamp(32px,5vw,52px);font-weight:800;line-height:1.2;margin:10px 0 20px}.lt-result dl{display:grid;grid-template-columns:1fr auto;gap:8px 16px}.lt-result dt,.lt-result dd{margin:0;padding-bottom:7px;border-bottom:1px solid #e3e8ec}.lt-result dd{text-align:right;font-weight:700}.lt-warnings{background:#fff8e5;border-left:4px solid #c58a20;padding:12px 15px}.lt-note{font-size:13px;line-height:1.55;color:#596575;margin-top:24px}.lt-heat [hidden]{display:none!important}@media(max-width:760px){.lt-grid,.lt-choice{grid-template-columns:1fr}.lt-heat{padding:16px}}