.cad-page,.cad-tool{--cad-ink:#153247;--cad-blue:#006789;--cad-line:#c7dbe5;color:var(--cad-ink);font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.65;text-align:left}.cad-page *,.cad-tool *{box-sizing:border-box}.cad-wrap{max-width:1180px;margin:0 auto;padding:0 30px}.cad-page h1,.cad-page h2,.cad-page h3,.cad-page h4{color:#153247!important;-webkit-text-fill-color:#153247!important;line-height:1.23;margin:0 0 20px;font-weight:700}.cad-page h1{font-size:clamp(30px,3.3vw,46px);letter-spacing:-.02em}.cad-page h2{font-size:30px}.cad-page h3{font-size:23px}.cad-page p{margin:0 0 22px}.cad-page a{color:#006789;text-underline-offset:3px}.cad-page a:hover{text-decoration-thickness:2px}.cad-hero{padding:28px 0 42px;background:#f3f7fa;border-top:5px solid #00749c}.cad-breadcrumb{font-size:14px}.cad-hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center}.cad-kicker{font-size:12px;letter-spacing:.1em;font-weight:700}.cad-lead{font-size:19px}.cad-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:22px 0}.cad-page .cad-btn,.cad-tool .cad-btn,#raypcb-page .cad-page .cad-btn,#raypcb-page .cad-tool .cad-btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;max-width:100%;padding:12px 19px;border:1px solid #b54708!important;border-radius:4px;background:#b54708!important;color:#fff!important;-webkit-text-fill-color:#fff!important;font:700 16px/1.35 Arial,Helvetica,sans-serif;text-decoration:none;text-align:center;white-space:normal;cursor:pointer}.cad-page .cad-btn.cad-secondary,.cad-tool .cad-btn.cad-secondary,#raypcb-page .cad-page .cad-btn.cad-secondary,#raypcb-page .cad-tool .cad-btn.cad-secondary{background:#fff!important;color:#153247!important;-webkit-text-fill-color:#153247!important;border-color:#8aa5b4!important}.cad-page .cad-btn:hover,.cad-tool .cad-btn:hover{filter:brightness(.94)}.cad-page .cad-note,.cad-tool .cad-note{font-size:14px;line-height:1.55;color:#405c6d}.cad-nav{border-top:1px solid #c7dbe5;border-bottom:1px solid #c7dbe5;background:#fff}.cad-nav .cad-wrap{display:flex;flex-wrap:wrap;gap:8px 24px;padding-top:14px;padding-bottom:14px}.cad-nav a{font-weight:700;font-size:15px}.cad-section{padding:46px 0;border-bottom:1px solid #e2ebf0}.cad-prose{max-width:980px}.cad-prose>p{max-width:82ch}.cad-figure{margin:28px 0}.cad-figure img{display:block;width:100%;height:auto;border:1px solid #d9e5ec}.cad-hero .cad-figure{margin:0}.cad-hero img{max-height:350px;object-fit:contain}.cad-photo{max-width:780px}.cad-photo img{max-height:390px;object-fit:contain;background:#f4f7fa}.cad-figure figcaption{margin-top:10px;font-size:14px;line-height:1.5;color:#405c6d}.cad-image-link{display:block}.cad-table{overflow-x:auto;max-width:100%;margin:28px 0;border:1px solid #c7dbe5}.cad-table table{width:100%;min-width:660px;border-collapse:collapse;font-size:16px}.cad-table td,.cad-table th{padding:15px 17px;border-bottom:1px solid #d9e5ec;text-align:left;vertical-align:top;color:#153247!important;-webkit-text-fill-color:#153247!important}.cad-table thead th{background:#e8f2f7!important;font-weight:700}.cad-table tbody th{background:#f5f8fa!important;font-weight:600}.cad-table tbody tr:nth-child(even) td{background:#f8fafb}.cad-page details{border-top:1px solid #c7dbe5;padding:16px 0}.cad-page summary{cursor:pointer;font-weight:700;font-size:18px;line-height:1.45}.cad-page details p{margin:16px 0 0}.cad-enquiry{border-left:4px solid #b54708;padding:28px;background:#f1f6f8}.cad-page--lab .cad-lab{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px}.cad-page--comparison #compare{background:#f4f8fa}.cad-page--comparison #compare .cad-prose{max-width:1120px}.cad-page--visual .cad-prose{max-width:1060px}.cad-page--visual #structure{border-top:4px solid #00749c}.cad-page--layout .cad-hero-grid{grid-template-columns:1fr 1.15fr}.cad-page--calculation #example{background:#eef6fa}.cad-page #tool{background:#f0f6f9}.cad-page .ps-hull{background:#153247!important}.cad-page .ps-hull h3{color:white!important;-webkit-text-fill-color:white!important;margin:0!important}.cad-page .ps-tag{color:white!important}.cad-page .ps-body{background:white}.cad-tool{padding:22px}.cad-tool .cad-notice{border-left:3px solid #00749c;background:#edf5f9;padding:12px 16px;font-size:15px}.cad-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 22px;margin:22px 0}.cad-fields label{display:block;font-weight:600;font-size:15px}.cad-fields input,.cad-fields select{display:block;width:100%;min-width:0;min-height:45px;margin-top:7px;padding:10px;border:1px solid #8aa5b4;border-radius:3px;background:#fff;color:#153247;-webkit-text-fill-color:#153247;font:400 16px/1.4 Arial,Helvetica,sans-serif}.cad-fields .cad-wide{grid-column:1/-1}.cad-result{margin:25px 0;padding:22px;border:1px solid #c7dbe5;background:#f7fafb;overflow-wrap:anywhere}.cad-result h4{font-size:21px;color:#153247!important;-webkit-text-fill-color:#153247!important}.cad-metrics{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);margin:18px 0}.cad-metrics dt,.cad-metrics dd{margin:0;padding:12px 10px;border-bottom:1px solid #d9e5ec;overflow-wrap:anywhere}.cad-metrics dt{font-weight:600}.cad-metrics dd{text-align:right}.cad-result p{margin:18px 0;font-size:15px}.cad-tool svg{display:block;width:100%;height:auto;max-height:420px;border:1px solid #c7dbe5;margin-top:20px}.cad-tool .cad-btn[disabled],.cad-tool a[aria-disabled=true]{opacity:.55;cursor:not-allowed}.cad-tool a[aria-disabled=true]{pointer-events:none}.cad-page a:focus-visible,.cad-page summary:focus-visible,.cad-page [tabindex]:focus-visible,.cad-tool button:focus-visible,.cad-tool input:focus-visible,.cad-tool select:focus-visible{outline:3px solid #00749c;outline-offset:3px}@media(max-width:960px){.cad-page .cad-hero-grid,.cad-page--lab .cad-lab{display:block}.cad-hero .cad-figure{margin-top:28px}.cad-lab>h2{max-width:36ch}}@media(max-width:650px){.cad-wrap{padding:0 18px}.cad-section{padding:32px 0}.cad-page h1{font-size:31px}.cad-page h2{font-size:26px}.cad-lead{font-size:18px}.cad-fields{grid-template-columns:1fr}.cad-tool{padding:14px}.cad-result{padding:15px}.cad-metrics{display:block}.cad-metrics dt{border:0;padding:10px 0 2px}.cad-metrics dd{padding:0 0 10px;text-align:left}.cad-actions>*{flex:1 1 220px}.cad-figure{margin:23px 0}.cad-enquiry{padding:22px}.cad-nav .cad-wrap{gap:10px 18px}}@media(prefers-reduced-motion:reduce){.cad-page *,.cad-tool *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}@media print{.cad-page .cad-hero-grid,.cad-page--lab .cad-lab{display:block}.cad-nav,.cad-tool form,.cad-tool .cad-actions{display:none}.cad-table{overflow:visible}.cad-table table{min-width:0}}

.cad-fields textarea{display:block;width:100%;min-height:180px;margin-top:8px;padding:12px;color:#153247;background:#fff;border:1px solid #8aa5b4;font:14px/1.55 monospace}.cad-tool textarea:focus-visible{outline:3px solid #00749c;outline-offset:3px}.cad-page--visual .cad-hero-grid{grid-template-columns:1.25fr 1fr}.cad-page--comparison .cad-hero-grid{display:block;max-width:980px}.cad-page--comparison .cad-hero .cad-figure{max-width:900px;margin-top:25px}.cad-page--calculation #reference{border-left:4px solid #00749c}.cad-step{padding:20px;border:1px solid #c7dbe5;background:#f4f8fa}.cad-step [aria-pressed=true]{background:#153247!important;color:white!important;-webkit-text-fill-color:white!important}

.cad-page--comparison .cad-prose{max-width:1040px}.cad-page--calculation #reference{border-left:4px solid #00749c}.cad-art{max-width:100%;height:auto}.cad-page .cad-photo img{max-height:390px}.cad-tool .cad-metrics dd{overflow-wrap:anywhere}

#raypcb-page .cad-page h1{font-size:clamp(30px,3.3vw,46px);line-height:1.23;max-width:none;letter-spacing:-.02em;margin:0 0 20px}#raypcb-page .cad-page h2{font-size:30px;line-height:1.23}#raypcb-page .cad-page a:not(.cad-btn){color:#006789}#raypcb-page .cad-page .cad-table th{color:#153247!important;-webkit-text-fill-color:#153247!important;background:#e8f2f7!important}#raypcb-page .cad-page .cad-table tbody th{background:#f5f8fa!important}@media(max-width:650px){#raypcb-page .cad-page h1{font-size:31px}#raypcb-page .cad-page h2{font-size:26px}}

.cad-page code{font-size:.94em;overflow-wrap:anywhere}.cad-result{white-space:normal}.cad-tool textarea{min-height:145px;font:15px/1.5 Consolas,monospace}.cad-result pre{white-space:pre-wrap;overflow-wrap:anywhere}.cad-page .cad-hero h1{font-size:clamp(30px,3.3vw,48px)!important}.cad-page--calculation .cad-hero-grid{grid-template-columns:1.2fr 1fr}@media(max-width:760px){.cad-page--calculation .cad-hero-grid{grid-template-columns:1fr}}

#raypcb-page .cad-page .ps-hull,#raypcb-page .cad-page .ps-hull h3,#raypcb-page .cad-page .ps-hull .ps-tag{color:#fff!important;-webkit-text-fill-color:#fff!important}#raypcb-page .cad-page .cad-figure{margin:28px 0}#raypcb-page .cad-page .cad-hero .cad-figure{margin:0}@media(max-width:960px){#raypcb-page .cad-page .cad-hero .cad-figure{margin-top:28px}}

.cad-page .cad-photo img{object-fit:contain;width:auto;max-width:100%;margin:auto}.cad-page--visual #placement,.cad-page--visual #geometry{border-left:5px solid #00749c}.cad-page--comparison #reference{background:#f4f8fa}.cad-page--lab #reference .cad-prose{min-width:0}

.cad-page--comparison #reference{border-top:3px solid #00749c}.cad-page--visual #reference{border-left:4px solid #00749c}.cad-page .cad-metrics dd{overflow-wrap:anywhere}.cad-page .cad-tool .cad-result{min-width:0}

.cad-metrics dd{white-space:pre-line!important}.cad-tool textarea{min-height:170px;font:15px/1.6 Consolas,monospace}.cad-page .cad-hero h1{font-size:clamp(30px,3vw,44px)}