.preload-calc-card[data-astro-cid-chvgifiz]{margin:0 0 2.5rem;border:1px solid #e6c2cd;border-radius:14px;background:#fff;box-shadow:0 6px 18px #af003614;overflow:hidden}.preload-calc-header[data-astro-cid-chvgifiz]{background:#faf1f3;color:#7a1330;padding:1rem 1.5rem;border-bottom:2px solid #e6c2cd}.preload-calc-header[data-astro-cid-chvgifiz] h3[data-astro-cid-chvgifiz]{color:#7a1330!important;font-size:1.2rem!important;margin:0!important;font-weight:600!important}.preload-calc-subtitle-en[data-astro-cid-chvgifiz]{color:#af0036;opacity:.75;margin:.2rem 0 0!important;font-size:.85rem}.preload-calc-form[data-astro-cid-chvgifiz]{padding:1.5rem}.preload-mode-tabs[data-astro-cid-chvgifiz]{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.preload-dir-toggle[data-astro-cid-chvgifiz]{display:flex;flex-wrap:wrap;gap:1rem 1.5rem;align-items:center;margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:1px dashed #e2e8f0;font-size:.88rem}.preload-dir-toggle[data-astro-cid-chvgifiz]>label[data-astro-cid-chvgifiz]:first-child{font-weight:600;color:#2d3748}.dir-radio[data-astro-cid-chvgifiz]{display:flex;align-items:center;gap:.4rem;cursor:pointer;color:#555}.dir-radio[data-astro-cid-chvgifiz] input[data-astro-cid-chvgifiz][type=radio]{accent-color:#af0036}.mode-tab[data-astro-cid-chvgifiz]{background:#fff;border:1px solid #d6d6de;color:#555;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.9rem;font-weight:500;transition:background .15s,border-color .15s,color .15s}.mode-tab[data-astro-cid-chvgifiz]:hover{background:#fef3f3;border-color:#af0036}.mode-tab[data-astro-cid-chvgifiz].active{background:#af0036;color:#fff;border-color:#af0036}.formula-hint[data-astro-cid-chvgifiz]{font-family:Courier New,monospace;color:#666;background:#f8fafc;padding:.55rem .85rem;border-radius:6px;margin:0 0 1rem!important;font-size:.85rem;border-left:3px solid #af0036}.preload-calc-grid[data-astro-cid-chvgifiz]{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem 1.5rem}.preload-calc-grid[data-astro-cid-chvgifiz].common-row{margin-top:1.25rem;padding-top:1.25rem;border-top:1px dashed #e2e8f0}.preload-calc-field[data-astro-cid-chvgifiz]{display:flex;flex-direction:column;gap:.3rem}.preload-calc-field[data-astro-cid-chvgifiz] label[data-astro-cid-chvgifiz]{font-weight:600;color:#2d3748;font-size:.95rem}.preload-calc-field[data-astro-cid-chvgifiz] .field-en[data-astro-cid-chvgifiz]{color:#888;font-size:.78rem;font-style:italic}.preload-calc-field[data-astro-cid-chvgifiz] select[data-astro-cid-chvgifiz],.preload-calc-field[data-astro-cid-chvgifiz] input[data-astro-cid-chvgifiz][type=number]{width:100%;padding:.55rem .75rem;border:1px solid #d6d6de;border-radius:6px;font-size:.95rem;background:#fff;color:#2d3748;font-family:inherit;transition:border-color .15s,box-shadow .15s}.preload-calc-field[data-astro-cid-chvgifiz] select[data-astro-cid-chvgifiz]:focus,.preload-calc-field[data-astro-cid-chvgifiz] input[data-astro-cid-chvgifiz][type=number]:focus{outline:none;border-color:#af0036;box-shadow:0 0 0 3px #af00361f}.input-with-unit[data-astro-cid-chvgifiz]{display:flex;align-items:center;gap:.5rem}.input-with-unit[data-astro-cid-chvgifiz] .unit[data-astro-cid-chvgifiz]{color:#666;font-weight:600;min-width:1.5rem}.preload-calc-actions[data-astro-cid-chvgifiz]{display:flex;gap:.75rem;margin-top:1.5rem;flex-wrap:wrap}.btn-primary[data-astro-cid-chvgifiz],.btn-secondary[data-astro-cid-chvgifiz]{padding:.65rem 1.5rem;border-radius:6px;font-size:.95rem;font-weight:600;cursor:pointer;border:none;transition:background .15s,transform .05s}.btn-primary[data-astro-cid-chvgifiz]{background:#af0036;color:#fff}.btn-primary[data-astro-cid-chvgifiz]:hover{background:#8b002a}.btn-primary[data-astro-cid-chvgifiz]:active{transform:translateY(1px)}.btn-secondary[data-astro-cid-chvgifiz]{background:#fff;color:#af0036;border:1px solid #af0036}.btn-secondary[data-astro-cid-chvgifiz]:hover{background:#fef3f3}.preload-calc-error[data-astro-cid-chvgifiz]{margin-top:1rem;padding:.75rem 1rem;background:#fff5f5;border-left:3px solid #e53e3e;color:#c53030;border-radius:6px;font-size:.9rem}.preload-calc-result[data-astro-cid-chvgifiz]{margin-top:1.5rem;padding:1.25rem 1.5rem;background:#fff;border:1px solid #af0036;border-radius:10px}.preload-calc-result[data-astro-cid-chvgifiz] h4[data-astro-cid-chvgifiz]{color:#af0036!important;margin:0 0 1rem!important;font-size:1rem!important}.result-row[data-astro-cid-chvgifiz]{display:flex;justify-content:space-between;align-items:center;padding:.6rem 0;border-bottom:1px dashed #e2e8f0;gap:1rem;flex-wrap:wrap}.result-row[data-astro-cid-chvgifiz]:last-of-type{border-bottom:none}.result-label[data-astro-cid-chvgifiz]{color:#4a5568;font-family:Courier New,monospace;font-size:.9rem;word-break:break-all}.result-value[data-astro-cid-chvgifiz]{font-family:Courier New,monospace;font-weight:600;color:#2d3748;font-size:1rem;text-align:right}.result-value[data-astro-cid-chvgifiz].primary{color:#af0036;font-size:1.15rem}.result-note[data-astro-cid-chvgifiz]{margin:1rem 0 0!important;font-size:.82rem;color:#888;font-style:italic}@media (max-width: 600px){.preload-calc-grid[data-astro-cid-chvgifiz]{grid-template-columns:1fr}.preload-calc-form[data-astro-cid-chvgifiz]{padding:1rem}}section[data-astro-cid-chvgifiz]{line-height:1.7;color:#2d3748}p[data-astro-cid-chvgifiz]{margin-bottom:1.5rem;line-height:1.8;color:#2d3748}p[data-astro-cid-chvgifiz]:last-child{margin-bottom:0}.preload-effects-list[data-astro-cid-chvgifiz]{list-style:none;padding-left:0;margin:1rem 0 2rem}.preload-effects-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz]{position:relative;padding-left:2rem;margin-bottom:1rem;line-height:1.8;color:#2d3748}.preload-effects-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz]:last-child{margin-bottom:0}.preload-effects-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz]:before{content:"•";position:absolute;left:.5rem;color:#af0036;font-size:1.5rem;font-weight:700}.general-approach-section[data-astro-cid-chvgifiz],.procedure-section[data-astro-cid-chvgifiz],.calculation-example-section[data-astro-cid-chvgifiz],.other-methods-section[data-astro-cid-chvgifiz],.recirculating-units-section[data-astro-cid-chvgifiz],.nrt-preload-section[data-astro-cid-chvgifiz]{margin:2.5rem 0;padding-top:2rem;border-top:2px solid #e2e8f0}.general-approach-section[data-astro-cid-chvgifiz] h3[data-astro-cid-chvgifiz],.procedure-section[data-astro-cid-chvgifiz] h3[data-astro-cid-chvgifiz],.calculation-example-section[data-astro-cid-chvgifiz] h3[data-astro-cid-chvgifiz],.other-methods-section[data-astro-cid-chvgifiz] h3[data-astro-cid-chvgifiz],.recirculating-units-section[data-astro-cid-chvgifiz] h3[data-astro-cid-chvgifiz],.nrt-preload-section[data-astro-cid-chvgifiz] h3[data-astro-cid-chvgifiz]{font-size:1.5rem;font-weight:600;color:#171e25;margin-bottom:1.5rem}.required-info-section[data-astro-cid-chvgifiz]{margin:2rem 0}.required-info-section[data-astro-cid-chvgifiz]>p[data-astro-cid-chvgifiz]{margin-bottom:1rem;font-weight:600;color:#171e25}.info-list[data-astro-cid-chvgifiz]{list-style:none;padding-left:0;margin:1rem 0 2rem}.info-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz]{position:relative;padding-left:2rem;margin-bottom:.75rem;line-height:1.8;color:#2d3748}.info-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz]:last-child{margin-bottom:0}.info-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz]:before{content:"•";position:absolute;left:.5rem;color:#af0036;font-size:1.5rem;font-weight:700}.factor-table-section[data-astro-cid-chvgifiz]{margin:2rem 0}.factor-table-section[data-astro-cid-chvgifiz]>p[data-astro-cid-chvgifiz]{margin-bottom:1rem;font-weight:600;color:#171e25}.calculation-section[data-astro-cid-chvgifiz]{margin:2rem 0}.calculation-section[data-astro-cid-chvgifiz] h4[data-astro-cid-chvgifiz],.recirculating-units-section[data-astro-cid-chvgifiz] h4[data-astro-cid-chvgifiz],.nrt-preload-section[data-astro-cid-chvgifiz] h4[data-astro-cid-chvgifiz]{font-size:1.25rem;font-weight:600;color:#171e25;margin:1.5rem 0 1rem}.calculation-section[data-astro-cid-chvgifiz] h4[data-astro-cid-chvgifiz]:first-child{margin-top:0}.formula-box[data-astro-cid-chvgifiz]{background:#f8fafc;border-left:4px solid #af0036;padding:1.25rem;border-radius:0 8px 8px 0;margin:1rem 0 1.5rem}.formula-box[data-astro-cid-chvgifiz] p[data-astro-cid-chvgifiz]{margin-bottom:.5rem;font-family:Courier New,monospace;color:#171e25;font-size:1rem}.formula-box[data-astro-cid-chvgifiz] p[data-astro-cid-chvgifiz]:last-child{margin-bottom:0;font-weight:600;color:#af0036}.warning-box[data-astro-cid-chvgifiz]{background:#fff3cd;border-left:4px solid #ffc107;padding:1rem 1.25rem;border-radius:0 8px 8px 0;margin:1.5rem 0}.warning-box[data-astro-cid-chvgifiz] p[data-astro-cid-chvgifiz]{margin:0;color:#856404;font-weight:500}.info-box[data-astro-cid-chvgifiz]{background:#e7f3ff;border-left:4px solid #2196f3;padding:1rem 1.25rem;border-radius:0 8px 8px 0;margin:1.5rem 0}.info-box[data-astro-cid-chvgifiz] p[data-astro-cid-chvgifiz]{margin:0;color:#0b5394;font-weight:500}.methods-description[data-astro-cid-chvgifiz]{margin:2rem 0}.methods-list[data-astro-cid-chvgifiz]{list-style:none;padding-left:0;margin:1rem 0 2rem}.methods-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz]{position:relative;padding-left:2rem;margin-bottom:1rem;line-height:1.8;color:#2d3748}.methods-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz]:last-child{margin-bottom:0}.methods-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz]:before{content:"•";position:absolute;left:.5rem;color:#af0036;font-size:1.5rem;font-weight:700}.methods-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz] strong[data-astro-cid-chvgifiz]{color:#171e25;font-weight:600}.methods-grid[data-astro-cid-chvgifiz]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin:1.5rem 0}.method-item[data-astro-cid-chvgifiz]{text-align:center;padding:1rem;background:#f8fafc;border-radius:8px;transition:transform .2s ease,box-shadow .2s ease}.method-item[data-astro-cid-chvgifiz]:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.method-image[data-astro-cid-chvgifiz]{margin-bottom:1rem;display:flex;justify-content:center;align-items:center;min-height:150px}.method-image[data-astro-cid-chvgifiz] img[data-astro-cid-chvgifiz]{max-width:100%;max-height:200px;width:auto;height:auto;border-radius:4px;background:#fff;padding:.5rem}.method-label[data-astro-cid-chvgifiz]{font-weight:600;color:#171e25;font-size:.95rem;margin:0;line-height:1.5}@media (max-width: 1024px){.methods-grid[data-astro-cid-chvgifiz]{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.5rem}}@media (max-width: 768px){.preload-effects-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz],.info-list[data-astro-cid-chvgifiz] li[data-astro-cid-chvgifiz]{padding-left:1.5rem;font-size:.95rem}.formula-box[data-astro-cid-chvgifiz]{padding:1rem}.formula-box[data-astro-cid-chvgifiz] p[data-astro-cid-chvgifiz]{font-size:.9rem}.methods-grid[data-astro-cid-chvgifiz]{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}.method-image[data-astro-cid-chvgifiz]{min-height:120px}.method-image[data-astro-cid-chvgifiz] img[data-astro-cid-chvgifiz]{max-height:150px}.method-label[data-astro-cid-chvgifiz]{font-size:.85rem}}table.dim-table tr.group-header td{background:#faf1f3!important;color:#7a1330!important;font-weight:700!important;text-align:left!important;padding:.45rem .85rem!important;border-top:2px solid #e6c2cd!important;border-bottom:1px solid #e6c2cd!important;white-space:nowrap!important}