/* Isolated engineering calculator. v2026101401 */
#dwk-calculation.dkc{--dkc-blue:#0054a6;--dkc-ink:#24384b;--dkc-muted:#617386;--dkc-line:#dce5ed;margin:28px 0 48px;color:var(--dkc-ink);font:14px/1.65 "Segoe UI","Microsoft YaHei",Arial,sans-serif;min-width:0}
#dwk-calculation.dkc *{box-sizing:border-box}
#dwk-calculation.dkc [hidden]{display:none!important}
#dwk-calculation .dkc-header{margin-bottom:20px}
#dwk-calculation .dkc-eyebrow{display:block;color:var(--dkc-blue);font-size:11px;font-weight:700;letter-spacing:1.4px;margin-bottom:8px}
#dwk-calculation h2{font-size:28px;line-height:1.35;font-weight:700;color:#173650;margin:0 0 10px}
#dwk-calculation h3{font-size:22px;line-height:1.4;margin:0 0 8px;font-weight:650}
#dwk-calculation h4{font-size:17px;line-height:1.45;margin:0;font-weight:650}
#dwk-calculation h5{font-size:14px;margin:18px 0 8px;font-weight:650}
#dwk-calculation p{margin:0 0 12px;overflow-wrap:anywhere}
#dwk-calculation .dkc-header p{font-size:15px;color:var(--dkc-muted)}
#dwk-calculation .dkc-boundary{border:1px solid #d4e1ee;border-left:3px solid var(--dkc-blue);border-radius:4px;padding:14px 18px;background:#f3f7fb;color:#365573;margin:0 0 24px}
#dwk-calculation .dkc-language{padding:8px 12px;background:#f4f6f8;color:var(--dkc-muted);font-size:13px;border-radius:4px}
#dwk-calculation .dkc-form{display:block;min-width:0}
#dwk-calculation .dkc-panel{display:block;min-width:0;margin:22px 0;padding:20px;border:1px solid var(--dkc-line);border-radius:4px;background:#fff}
#dwk-calculation .dkc-panel legend{float:none;display:table;padding:0 8px;margin-left:-8px;max-width:100%;font-size:16px;font-weight:650;color:#1e486d;white-space:normal;line-height:1.5}
#dwk-calculation .dkc-subpanel{padding:16px;background:#f8fafc;margin:18px 0}
#dwk-calculation .dkc-subpanel legend{font-size:14px}
#dwk-calculation .dkc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 22px;align-items:start;min-width:0}
#dwk-calculation .dkc-field{display:flex;flex-direction:column;gap:7px;min-width:0;margin:0;text-align:start;color:#3b5269;font-size:13px;font-weight:500}
#dwk-calculation .dkc-field>span{min-height:21px;line-height:1.6;overflow-wrap:anywhere}
#dwk-calculation .dkc-wide{grid-column:1/-1}
#dwk-calculation .dkc-quantity{display:grid;grid-template-columns:minmax(0,1fr) 100px;gap:8px;min-width:0;align-items:end}
#dwk-calculation input[type=text],#dwk-calculation select,#dwk-calculation textarea{display:block;width:100%;min-width:0;max-width:100%;height:42px;border:1px solid #c9d6e2;border-radius:4px;background:#fff;color:#24384b;font:400 14px/1.4 "Segoe UI","Microsoft YaHei",Arial,sans-serif;padding:9px 11px;box-shadow:none;outline:none}
#dwk-calculation select{padding-right:24px;cursor:pointer}
#dwk-calculation textarea{height:auto;min-height:120px;resize:vertical}
#dwk-calculation input:focus-visible,#dwk-calculation select:focus-visible,#dwk-calculation textarea:focus-visible,#dwk-calculation button:focus-visible,#dwk-calculation summary:focus-visible{outline:2px solid #3980bf;outline-offset:3px}
#dwk-calculation input:disabled,#dwk-calculation select:disabled{background:#eef2f6;color:#7b8996}
#dwk-calculation .dkc-hint{font-size:12px;line-height:1.7;color:var(--dkc-muted);margin:10px 0 16px}
#dwk-calculation .dkc-check{display:flex;align-items:flex-start;gap:9px;min-height:28px;margin:14px 0 0;cursor:pointer;font-size:13px;color:#415970;line-height:1.6;font-weight:400;text-align:start}
#dwk-calculation .dkc-check input{flex:0 0 17px;width:17px;height:17px;margin:2px 0 0;accent-color:var(--dkc-blue);cursor:pointer}
#dwk-calculation .dkc-check span{min-width:0;overflow-wrap:anywhere}
#dwk-calculation .dkc-checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px;margin:10px 0}
#dwk-calculation .dkc-advanced{border:1px solid var(--dkc-line);border-radius:4px;margin:22px 0;background:#fafcfe}
#dwk-calculation .dkc-advanced>summary{padding:16px 20px;font-size:16px;font-weight:650;color:#244b6d}
#dwk-calculation summary{cursor:pointer;overflow-wrap:anywhere}
#dwk-calculation .dkc-advanced>.dkc-panel{margin:0 18px 18px}
#dwk-calculation .dkc-note{padding:12px 14px;border-left:3px solid #b88c3e;background:#fff9ed;color:#705522;font-size:13px;border-radius:2px}
#dwk-calculation .dkc-candidate{display:grid;grid-template-columns:minmax(100px,1fr) 100px 72px minmax(130px,1.5fr) auto;gap:8px;align-items:end;margin:16px 0;padding:14px;background:#f5f8fb;border:1px solid #e2e9ef;border-radius:4px;min-width:0}
#dwk-calculation .dkc-candidate .dkc-field{font-size:12px}
#dwk-calculation .dkc-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch;margin:24px 0 0;padding:20px 0;border-top:1px solid var(--dkc-line)}
#dwk-calculation button{font:600 14px/1.5 "Segoe UI","Microsoft YaHei",Arial,sans-serif;min-height:42px;padding:10px 18px;border:1px solid transparent;border-radius:4px;cursor:pointer;white-space:normal;overflow-wrap:anywhere;transition:background-color .16s ease,border-color .16s ease;color:var(--dkc-blue);background:#fff}
#dwk-calculation .dkc-primary{background:var(--dkc-blue);color:#fff;border-color:var(--dkc-blue)}
#dwk-calculation .dkc-secondary{border-color:#bbcedf;background:#fff;color:var(--dkc-blue)}
#dwk-calculation .dkc-remove{font-size:12px;padding:10px;color:#8b4d43;background:transparent;border-color:#d8dfe6}
#dwk-calculation button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}
#dwk-calculation .dkc-live{min-height:26px;color:#536d86;font-size:13px;margin:4px 0 20px}
#dwk-calculation .dkc-results{min-width:0}
#dwk-calculation .dkc-results.dkc-stale{opacity:.6}
#dwk-calculation .dkc-result-heading{padding:20px;background:#edf4fa;border:1px solid #d6e3ef;border-radius:4px;margin-bottom:18px}
#dwk-calculation .dkc-result-heading p{font-size:14px;margin:0 0 10px}
#dwk-calculation .dkc-result-heading strong{font-size:13px;display:block;color:#596f83;font-weight:600}
#dwk-calculation .dkc-result-card{padding:20px;border:1px solid var(--dkc-line);border-radius:4px;margin:16px 0;background:#fff}
#dwk-calculation .dkc-result-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px}
#dwk-calculation .dkc-badge{font-size:11px;line-height:1.5;border-radius:3px;padding:4px 8px;flex:0 1 auto;white-space:normal;text-align:center;min-width:80px}
#dwk-calculation .dkc-calculated{background:#edf5f3;color:#2c6c58;border:1px solid #d3e4dc}
#dwk-calculation .dkc-review{background:#fff7e8;color:#886725;border:1px solid #eddeb8}
#dwk-calculation .dkc-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;margin:0}
#dwk-calculation .dkc-metrics>div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;min-width:0;border-top:1px solid #edf1f5;padding:12px 0}
#dwk-calculation dt{font-size:12px;font-weight:400;color:#617386;overflow-wrap:anywhere;min-width:0}
#dwk-calculation dd{font-size:17px;font-weight:650;color:#24496c;margin:0;text-align:end;min-width:0;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
#dwk-calculation dd small{font-weight:400;font-size:11px;color:#6b8195}
#dwk-calculation .dkc-missing{font-size:12px;font-weight:400;color:#876b37}
#dwk-calculation .dkc-issues{padding:0;list-style:none;margin:12px 0}
#dwk-calculation .dkc-issues>li{padding:12px 14px;margin:8px 0;background:#fff9ef;border-radius:4px;overflow-wrap:anywhere;font-size:13px;color:#7c6029}
#dwk-calculation .dkc-issues p{margin:6px 0 0}
#dwk-calculation code{font:12px/1.7 Consolas,Monaco,monospace;white-space:normal;overflow-wrap:anywhere;color:inherit;background:transparent}
#dwk-calculation .dkc-formula-ids{font:11px/1.6 Consolas,monospace;color:#758a9d;margin:14px 0 0}
#dwk-calculation .dkc-checklist{margin:10px 0 18px;padding-left:20px;color:#496176}
#dwk-calculation .dkc-checklist li{padding:5px 0;overflow-wrap:anywhere}
#dwk-calculation .dkc-engine-details{font-size:12px;color:#647b90;margin-top:14px}
#dwk-calculation .dkc-engine-details ul{padding-left:18px;margin:10px 0}
#dwk-calculation .dkc-table-scroll{max-width:100%;overflow-x:auto;margin:12px 0}
#dwk-calculation table{border-collapse:collapse;width:100%;min-width:480px;font-size:12px;text-align:start}
#dwk-calculation th,#dwk-calculation td{padding:10px 12px;border:1px solid #dfe7ee;white-space:normal;overflow-wrap:anywhere;text-align:start}
#dwk-calculation th{background:#f2f6fa;font-weight:600;color:#3d5e7c}
#dwk-calculation .dkc-references{padding:18px;border:1px solid var(--dkc-line);border-radius:4px;margin:20px 0;color:#60768b;font-size:12px}
#dwk-calculation .dkc-references>summary{font-size:14px;font-weight:600;color:#355b7c;margin:0}
#dwk-calculation .dkc-references[open]>summary{margin-bottom:16px}
#dwk-calculation a{color:#0054a6;text-decoration:underline;overflow-wrap:anywhere}
@media(hover:hover) and (pointer:fine){#dwk-calculation .dkc-primary:hover:not(:disabled){background:#004487}#dwk-calculation .dkc-secondary:hover:not(:disabled){background:#f0f6fc;border-color:#81a6c5}}
@media(max-width:1000px){#dwk-calculation .dkc-candidate{grid-template-columns:minmax(90px,1fr) 100px 72px}#dwk-calculation .dkc-candidate .dkc-field:nth-child(4){grid-column:1/3}#dwk-calculation .dkc-metrics{grid-template-columns:minmax(0,1fr)}}
@media(max-width:680px){#dwk-calculation.dkc{margin-top:22px}#dwk-calculation h2{font-size:24px}#dwk-calculation .dkc-panel{padding:16px 13px}#dwk-calculation .dkc-grid,#dwk-calculation .dkc-checks{grid-template-columns:minmax(0,1fr);gap:14px}#dwk-calculation .dkc-checks{gap:0}#dwk-calculation .dkc-wide{grid-column:auto}#dwk-calculation .dkc-quantity{grid-template-columns:minmax(0,1fr) 92px}#dwk-calculation .dkc-advanced>.dkc-panel{margin:0 10px 12px}#dwk-calculation .dkc-result-card,#dwk-calculation .dkc-result-heading{padding:16px}#dwk-calculation .dkc-result-top{flex-wrap:wrap;gap:9px}#dwk-calculation .dkc-actions button{flex:1 1 100%}#dwk-calculation .dkc-candidate{grid-template-columns:minmax(0,1fr) 82px;padding:11px}#dwk-calculation .dkc-candidate .dkc-field:first-child,#dwk-calculation .dkc-candidate .dkc-field:nth-child(4){grid-column:1/-1}#dwk-calculation .dkc-candidate .dkc-remove{grid-column:1/-1;justify-self:end}#dwk-calculation .dkc-metrics>div{align-items:flex-start}#dwk-calculation dd{font-size:16px}}
@media(prefers-reduced-motion:reduce){#dwk-calculation button{transition:none}}