.calc-section{background:#eef3f7}.calc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.calc-card{background:#fff;border-top:5px solid #0759b5;padding:30px;box-shadow:0 8px 24px rgba(12,45,79,.08)}.calc-card h2{margin:4px 0 24px;font-size:28px}.calc-card label{display:block;margin:15px 0;color:#263b50;font-size:13px;font-weight:700}.calc-card input,.calc-card select{display:block;width:100%;box-sizing:border-box;margin-top:7px;padding:12px;border:1px solid #b8c7d5;border-radius:2px;background:#fff;font:16px Arial;color:#10263c}.calc-card button{border:0;cursor:pointer;margin-top:8px}.calc-result{margin-top:24px;padding:18px;background:#edf5fc;border-left:4px solid #0759b5}.calc-result p{margin:10px 0 0;color:#536678;font-size:13px}.calc-result dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0}.calc-result dl div{background:#fff;padding:13px}.calc-result dt{font-size:12px;color:#52677a}.calc-result dd{margin:5px 0 0;font-size:22px;font-weight:800;color:#0c2d4f}.calc-source-status{margin:-8px 0 12px;color:#607284;font-size:12px}.calc-catalog-result{margin-top:14px;padding:16px;background:#eef8e8;border-left:4px solid #4d8b2c;color:#263b50}.calc-catalog-result strong{display:block;margin-bottom:6px;color:#163d13}.calc-catalog-result a{display:inline-block;margin-top:10px;font-weight:700;color:#0759b5}.calc-safety{margin-top:28px;padding:22px 25px;background:#fff5da;border-left:5px solid #c58a13}.calc-safety p{margin:8px 0 0;color:#594a28}.calc-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.calc-links a{padding:12px 16px;background:#0c2d4f;color:#fff;font-weight:700;text-decoration:none}@media(max-width:760px){.calc-grid{grid-template-columns:1fr}.calc-card{padding:22px}.calc-result dl{grid-template-columns:1fr}}
.calc-grid-single{grid-template-columns:minmax(0,780px);justify-content:center}
.calc-field-note{display:block;margin-top:7px;color:#607284;font-size:12px;font-weight:400;line-height:1.45}
.calc-choice{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:12px 0 26px}.calc-choice label{margin:0}.calc-choice input{position:absolute;opacity:0;pointer-events:none}.calc-choice span{display:block;padding:15px 18px;border:2px solid #b8c7d5;background:#fff;color:#18334f;text-align:center;font-size:16px;font-weight:800;cursor:pointer}.calc-choice input:checked+span{border-color:#0759b5;background:#0759b5;color:#fff}.calc-step{margin-top:25px!important}.calc-auto-result{margin-top:28px}.calc-result-title{margin:0 0 12px!important;color:#173b5e!important;font-size:14px!important;font-weight:800}.thread-drill-variant{display:flex;flex-direction:column;gap:6px;margin-top:10px;padding:15px;background:#fff}.thread-drill-variant strong{font-size:26px;color:#0759b5}.thread-drill-variant span{font-size:13px;color:#52677a}.thread-drill-variant a{color:#0759b5;font-weight:700}@media(max-width:560px){.calc-choice{grid-template-columns:1fr}}
.thread-source{align-self:flex-start;padding:4px 8px;background:#e8f1fb;color:#0759b5!important;font-size:11px!important;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.calc-process-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.calc-show-tools{display:block;width:100%;margin-top:18px!important}.calc-inquiry{margin-top:18px}.calc-inquiry a{display:inline-block;padding:13px 17px;background:#0c2d4f;color:#fff;font-weight:800;text-decoration:none}.calc-source-status{clear:both;margin:18px 0 0!important;padding:10px 0 0;border-top:1px solid #d7e0e8;color:#607284;font-size:12px;line-height:1.45}.thread-filter-note{display:block;margin-top:7px;color:#8a5d0c!important;font-size:12px!important}@media(max-width:650px){.calc-process-grid{grid-template-columns:1fr}}
.calc-guide{margin-top:28px;padding:28px;background:#fff}.calc-guide h2{margin:0 0 10px;color:#102c49;font-size:22px}.calc-guide h2:not(:first-child){margin-top:24px}.calc-guide p{color:#52677a;line-height:1.65}.calc-guide a{font-weight:800;color:#0759b5}
.calc-tool-selection{margin-top:24px;padding:0;border:1px solid #b8c7d5;background:#f7fafc}.calc-tool-selection summary{padding:16px 18px;color:#173b5e;font-size:15px;font-weight:800;cursor:pointer}.calc-tool-selection[open]{padding:0 18px 18px}.calc-tool-selection[open] summary{margin:0 -18px 4px;border-bottom:1px solid #d7e0e8}.calc-tool-selection .calc-process-grid{margin-top:10px}