.mth-page,.mth-tool{--mth-ink:#153247;--mth-blue:#006789;--mth-pale:#eef6fa;color:#153247;font:17px/1.75 system-ui,-apple-system,"Segoe UI",sans-serif;overflow-wrap:anywhere}.mth-page *,.mth-tool *{box-sizing:border-box}.mth-wrap{max-width:1180px;margin:auto;padding:0 28px}.mth-hero{padding:34px 0 42px;border-bottom:1px solid #d5e3ea;background:#f4f8fa}.mth-breadcrumb,.mth-kicker{font-size:14px}.mth-kicker{font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#006789}.mth-hero-grid{display:grid;grid-template-columns:1.13fr 1fr;align-items:center;gap:42px}.mth-page h1{font-size:clamp(31px,3.5vw,44px);line-height:1.17;letter-spacing:-.025em;margin:12px 0 23px;max-width:23ch}.mth-page h2{font-size:clamp(26px,2.6vw,34px);line-height:1.28;margin:0 0 24px}.mth-page h3{font-size:23px;line-height:1.35;margin:32px 0 12px}.mth-page p{margin:0 0 19px}.mth-page h1,.mth-page h2,.mth-page h3,.mth-page h4{color:#153247;-webkit-text-fill-color:#153247}.mth-lead{font-size:20px;line-height:1.65}.mth-page a:not(.mth-btn){color:#006789;text-decoration:underline;text-underline-offset:3px}.mth-nav{background:white;border-bottom:1px solid #d5e3ea}.mth-nav .mth-wrap{display:flex;gap:24px;flex-wrap:wrap;padding-top:13px;padding-bottom:13px;font-size:15px}.mth-section{padding:52px 0;border-bottom:1px solid #d5e3ea;scroll-margin-top:24px}.mth-section:nth-of-type(even){background:#f7fafb}.mth-prose{max-width:1020px}.mth-prose>p,.mth-prose>ul,.mth-prose>ol{max-width:88ch}.mth-page figure{margin:28px 0}.mth-page .mth-hero figure{margin:0}.mth-page img{display:block;width:100%;height:auto;border:1px solid #d5e3ea;object-fit:contain}.mth-page figcaption{font-size:14px;color:#456171;line-height:1.55;margin-top:11px;max-width:95ch}.mth-note{font-size:14px!important;line-height:1.65;color:#456171}.mth-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:20px 0}.mth-page .mth-btn,.mth-tool .mth-btn,#raypcb-page .mth-page .mth-btn,#raypcb-page .mth-tool .mth-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;background:#006789!important;color:#fff!important;-webkit-text-fill-color:#fff!important;border:2px solid #006789!important;border-radius:3px;font:700 16px/1.4 system-ui,sans-serif;text-decoration:none!important;cursor:pointer;white-space:normal;text-align:center}.mth-page .mth-btn.mth-secondary,.mth-tool .mth-btn.mth-secondary,#raypcb-page .mth-page .mth-btn.mth-secondary,#raypcb-page .mth-tool .mth-btn.mth-secondary{background:#eef6fa!important;color:#153247!important;-webkit-text-fill-color:#153247!important;border-color:#8db0c1!important}.mth-page .mth-btn:hover,.mth-tool .mth-btn:hover{filter:brightness(.93)}.mth-page a:focus-visible,.mth-tool a:focus-visible,.mth-tool button:focus-visible,.mth-tool input:focus-visible,.mth-tool select:focus-visible,.mth-tool textarea:focus-visible,.mth-table:focus-visible{outline:3px solid #c06420;outline-offset:4px}.mth-tool .mth-btn:disabled,.mth-tool [aria-disabled=true]{opacity:.55;cursor:not-allowed}.mth-table{overflow:auto;border:1px solid #bfd3df;margin:28px 0;max-width:100%}.mth-table table{border-collapse:collapse;width:100%;font-size:16px;min-width:560px}.mth-table caption{font-weight:700;text-align:left;padding:14px 18px;background:#fff}.mth-table th,.mth-table td{padding:15px 18px;border-bottom:1px solid #d2e0e8;text-align:left;vertical-align:top}.mth-page .mth-table thead th,#raypcb-page .mth-page .mth-table thead th{background:#e8f2f7!important;color:#153247!important;-webkit-text-fill-color:#153247!important}.mth-table tbody tr:nth-child(even){background:#f5f9fb}.mth-table tbody th{font-weight:650}.mth-page li{margin-bottom:9px}.mth-page code{background:#edf3f6;padding:2px 5px;color:#153247}.mth-tool{background:white;padding:24px;border:1px solid #c3d7e2}.mth-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px}.mth-tool label{display:block;font-size:15px;font-weight:650;color:#153247}.mth-tool input:not([type=file]),.mth-tool textarea,.mth-tool select{display:block;width:100%;min-width:0;min-height:46px;margin-top:7px;padding:10px 12px;background:white;color:#153247;border:1px solid #7599ad;border-radius:3px;font:16px/1.45 system-ui,sans-serif}.mth-tool textarea{font:14px/1.6 ui-monospace,Consolas,monospace;min-height:225px;resize:vertical}.mth-wide{grid-column:1/-1}.mth-file{border:1px dashed #7599ad;padding:15px;margin:20px 0}.mth-file input{display:block;max-width:100%;margin-top:8px;font-size:15px}.mth-notice{border-left:4px solid #006789;padding:13px 17px;background:#eef6fa;font-weight:650;font-size:15px}.mth-tool form>.mth-btn{margin-top:23px}.mth-result{margin-top:24px;padding:22px;background:#f4f8fa;border-left:4px solid #006789}.mth-result:empty{display:none}.mth-metrics{display:grid;grid-template-columns:1fr auto;gap:8px 16px;margin:15px 0 24px}.mth-metrics dt,.mth-metrics dd{padding:6px 0;margin:0;border-bottom:1px solid #d2e0e8}.mth-metrics dd{font-weight:750;color:#006789;text-align:right}.mth-plot svg{display:block;width:100%;height:auto;background:white;margin:20px 0}.mth-plot label{max-width:450px}.mth-enquiry{background:#e8f2f7;padding:30px;border-left:5px solid #006789}.mth-page .pcbsync-shell .pcbsync-header h3,.mth-page .pcbsync-shell .pcbsync-shell-header h3{color:#fff!important;-webkit-text-fill-color:#fff!important}.mth-page details{padding:18px 0;border-bottom:1px solid #c7dbe5}.mth-page summary{font-weight:700;cursor:pointer}.mth-page details p{margin:14px 0 0}.mth-page .pcbsync-shell{margin:25px 0}.mth-page .pcbsync-shell p,.mth-page .pcbsync-shell li{max-width:none}.mth-page .mth-tool h4{font-size:22px;margin:0 0 18px;color:#153247;-webkit-text-fill-color:#153247}
.mth-page .pcbsync-shell>.ps-hull>.ps-plate>h3,#raypcb-page .mth-page .pcbsync-shell>.ps-hull>.ps-plate>h3{color:#fff!important;-webkit-text-fill-color:#fff!important}.mth-page .pcbsync-shell>.ps-hull{background:#153247!important}
@media(max-width:760px){.mth-wrap{padding:0 20px}.mth-hero-grid{grid-template-columns:1fr;gap:26px}.mth-hero{padding:22px 0 30px}.mth-page h1{max-width:none;font-size:33px}.mth-section{padding:34px 0}.mth-fields{grid-template-columns:1fr}.mth-tool{padding:16px}.mth-result{padding:16px}.mth-nav .mth-wrap{gap:11px 20px}.mth-actions{gap:10px}.mth-page .mth-btn,.mth-tool .mth-btn{padding:10px 14px}.mth-metrics{grid-template-columns:minmax(0,1fr) auto;gap:4px 10px}.mth-lead{font-size:18px}.mth-enquiry{padding:22px}.mth-page,.mth-tool{font-size:16px}}
@media print{.mth-nav,.mth-actions,.mth-file{display:none}.mth-section{padding:20px 0}.mth-hero-grid{display:block}.mth-page figure{break-inside:avoid}.mth-table{overflow:visible}.mth-page details>*{display:block}.mth-page details{break-inside:avoid}}


.mth-page .mth-hero{background:white;border-top:5px solid #006789}.mth-page .mth-hero h1{max-width:27ch}.mth-page .mth-hero img{max-height:390px;background:#f4f8fa;object-fit:contain}.mth-page .mth-prose{max-width:1000px}.mth-page .mth-prose>p{max-width:83ch}.mth-page .mth-photo{max-width:850px}.mth-page .mth-diagram{max-width:1080px}.mth-page--materials .mth-hero-grid,.mth-page--supplier .mth-hero-grid{display:grid;grid-template-columns:1.5fr .8fr}.mth-page--materials #directory .mth-prose{max-width:none}.mth-page--basics .mth-hero-grid,.mth-page--ceramic .mth-hero-grid{display:block}.mth-page--basics .mth-hero figure,.mth-page--ceramic .mth-hero figure{max-width:760px;margin-top:26px}.mth-page--spec .mth-hero,.mth-page--layout .mth-hero{border-top-color:#a65f32}.mth-page--mask #openings,.mth-page--etch #geometry,.mth-page--drill #geometry{background:#eef6fa}.mth-lab{display:grid;grid-template-columns:270px minmax(0,1fr);gap:34px}.mth-lab>h2{font-size:27px;padding-top:15px;border-top:4px solid #006789}.mth-lab .mth-prose{min-width:0}.mth-step-number{display:block;color:#006789;font-weight:700;font-size:14px;margin-bottom:12px}.mth-page .mth-table table th,#raypcb-page .mth-page .mth-table table th{color:#153247!important;-webkit-text-fill-color:#153247!important;background:#e8f2f7!important}.mth-story .mth-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.mth-tool .mth-steps .mth-btn[aria-pressed=false],#raypcb-page .mth-tool .mth-steps .mth-btn[aria-pressed=false]{color:#153247!important;-webkit-text-fill-color:#153247!important;background:#eef6fa!important;border-color:#8db0c1!important}.mth-tool .mth-steps .mth-btn[aria-pressed=true],#raypcb-page .mth-tool .mth-steps .mth-btn[aria-pressed=true]{color:white!important;-webkit-text-fill-color:white!important;background:#006789!important;border-color:#006789!important}.mth-stage{padding:20px;background:#eef6fa;border-left:4px solid #006789;min-height:104px}.mth-stage-art svg{display:block;width:100%;height:auto;margin:20px 0;background:white;border:1px solid #d2e0e8}.mth-directory-results{max-height:470px;overflow:auto;border-bottom:1px solid #c7dbe5}.mth-directory-row{display:grid;grid-template-columns:1fr 1.5fr auto;gap:20px;padding:18px 0;border-top:1px solid #c7dbe5}.mth-tool .mth-directory-row h4{font-size:18px;margin:0}.mth-directory-row p{font-size:16px;margin:0}.mth-directory-row a{font-size:15px;color:#006789}.mth-metrics dt{min-width:0}.mth-metrics dd{max-width:44ch;overflow-wrap:anywhere}.mth-page .mth-tool h4{color:#153247!important;-webkit-text-fill-color:#153247!important}.mth-directory input[type=search]{margin-bottom:16px}.mth-page .mth-tool .mth-note{margin-top:14px}.mth-page .mth-photo img{max-height:550px}.mth-page img[src$="flex-circuit.webp"]{max-width:360px}.mth-page img[src$="flex-plating.webp"],.mth-page img[src$="drill-machine.webp"]{max-width:600px}
@media(max-width:960px){.mth-page .mth-hero-grid,.mth-lab{display:block}.mth-page .mth-hero figure{margin-top:24px;max-width:100%}.mth-lab>h2{max-width:30ch}.mth-directory-row{grid-template-columns:1fr}.mth-page .mth-prose{max-width:100%}}@media(max-width:650px){.mth-story .mth-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.mth-metrics{grid-template-columns:1fr}.mth-metrics dd{text-align:left;max-width:none}.mth-metrics dt{border:0;font-weight:650}.mth-page .mth-hero h1{font-size:31px}.mth-directory-results{max-height:none}.mth-page .mth-tool{padding:15px}.mth-page .mth-tool .mth-btn{font-size:15px}.mth-page .mth-stage{min-height:142px}.mth-page figure{margin:22px 0}}@media(prefers-reduced-motion:reduce){.mth-page *,.mth-tool *{animation:none!important;transition:none!important}}@media print{.mth-lab,.mth-page .mth-hero-grid{display:block!important}.mth-directory-results{max-height:none;overflow:visible}}

.mth-page--lab .mth-lab{display:grid;grid-template-columns:245px minmax(0,1fr);gap:40px}.mth-page--calculation .mth-hero-grid{grid-template-columns:1.1fr 1fr}.mth-page #tool{background:#edf5f9}.mth-page .mth-prose{max-width:960px}.mth-page .mth-hero img{max-height:340px}.mth-page--visual .mth-prose{max-width:1030px}.mth-page .mth-photo{max-width:760px}.mth-page .mth-photo img{max-height:430px;object-fit:contain}.mth-page .mth-table th{color:#153247!important;-webkit-text-fill-color:#153247!important;background:#e8f2f7!important}.mth-tool .mth-btn[disabled]{opacity:.55;cursor:not-allowed}.mth-tool a[aria-disabled=true]{opacity:.55;pointer-events:none}.mth-page .mth-result h4{color:#153247!important;-webkit-text-fill-color:#153247!important}.mth-page .mth-fields label{font-weight:650}.mth-page .mth-fields input,.mth-page .mth-fields select{font-weight:400}.mth-page .mth-note{margin-top:15px}.mth-page .mth-tool .mth-metrics dd{max-width:45ch;white-space:normal}.mth-page .mth-nav{position:static}@media(max-width:960px){.mth-page--lab .mth-lab,.mth-page--calculation .mth-hero-grid{display:block}}@media(max-width:650px){.mth-page .mth-tool .mth-metrics{display:block}.mth-page .mth-tool .mth-metrics dd{margin:0 0 16px;text-align:left}.mth-page .mth-tool .mth-metrics dt{font-weight:700}.mth-page .mth-hero h1{font-size:31px}.mth-page .mth-prose{max-width:100%}}
.mth-page .mth-hero-grid{align-items:start}.mth-page--visual .mth-hero-grid{grid-template-columns:1fr 1.15fr}.mth-page .mth-hero img{max-height:390px}.mth-page .mth-prose>p{max-width:78ch}.mth-live-art svg{display:block;width:100%;height:auto;max-height:380px;background:white;border:1px solid #c7dbe5;margin-top:20px}.mth-tool label small{display:block;font-weight:400}.mth-page .mth-table table{min-width:640px}@media(max-width:960px){.mth-page--visual .mth-hero-grid{display:block}}
.mth-page--checklist .mth-hero-grid{grid-template-columns:1fr}.mth-page--checklist .mth-hero .mth-figure{max-width:920px;margin:28px 0 0}.mth-page--comparison .mth-hero{border-bottom:8px solid #00749c}.mth-page--comparison .mth-prose{max-width:1100px}.mth-page .mth-figure{margin:30px 0}.mth-live-art svg{display:block;width:100%;height:auto;max-height:420px;background:#fff;border:1px solid #c7dbe5}.mth-tool .mth-result{overflow-wrap:anywhere}.mth-tool button:focus-visible,.mth-tool a:focus-visible{outline:3px solid #b77123;outline-offset:3px}.mth-page img{aspect-ratio:auto}.mth-page .mth-hero h1{font-size:clamp(30px,3.3vw,44px)}@media(max-width:650px){.mth-page .mth-fields{grid-template-columns:1fr}.mth-page .mth-actions>*{max-width:100%;white-space:normal}.mth-page .mth-wrap{padding-left:18px;padding-right:18px}}
.mth-page .mth-btn,.mth-tool .mth-btn,#raypcb-page .mth-page .mth-btn,#raypcb-page .mth-tool .mth-btn{background:#b54708!important;border-color:#b54708!important;color:#fff!important;-webkit-text-fill-color:#fff!important}.mth-page .mth-btn.mth-secondary,.mth-tool .mth-btn.mth-secondary,#raypcb-page .mth-page .mth-btn.mth-secondary,#raypcb-page .mth-tool .mth-btn.mth-secondary{background:#fff!important;color:#153247!important;-webkit-text-fill-color:#153247!important;border-color:#8aa5b4!important}.mth-page .mth-photo img{max-height:370px}.mth-tool textarea{width:100%;min-height:220px;padding:12px;font:16px/1.5 ui-monospace,monospace;border:1px solid #8aa5b4;border-radius:3px;color:#153247;background:white}.mth-tool .mth-wide{grid-column:1/-1}.mth-tool svg{width:100%;height:auto;max-height:430px}.mth-tool .mth-note{font-size:14px}.mth-page--comparison #reference{border-left:5px solid #b54708}.mth-page--calculation #example,.mth-page--calculation #tool{background:#eef6fa}.mth-page--layout .mth-hero-grid{grid-template-columns:1fr 1.2fr}.mth-page .mth-prose>p{max-width:80ch}.mth-page .mth-btn:hover,.mth-tool .mth-btn:hover{filter:brightness(.93)}.mth-page a:focus-visible,.mth-tool button:focus-visible,.mth-tool input:focus-visible,.mth-tool select:focus-visible,.mth-tool textarea:focus-visible{outline:3px solid #00769b;outline-offset:3px}@media(max-width:850px){.mth-page--layout .mth-hero-grid{display:block}.mth-lab{display:block}}@media(prefers-reduced-motion:reduce){.mth-page *,.mth-tool *{scroll-behavior:auto!important;transition:none!important}}
