.mag-cover .cover-object{min-width:0}.mag-cover .cover-object img{height:440px;object-fit:contain}.cover-scope{font-size:14px;color:var(--muted);margin-top:22px}.benefit-grid,.wire-comparison{display:grid;grid-template-columns:1fr 1fr;gap:30px}.benefit-grid article{border-top:1px solid var(--line);padding:24px 0}.benefit-grid h3{font-size:25px}.benefit-grid p{font-size:17px}.wire-comparison article{min-width:0}.wire-comparison img{height:250px;object-fit:contain}.wire-comparison h3{font-size:27px;margin-top:24px}.wire-comparison p{font-size:16px}.material-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:32px 0}.material-grid>div{padding:24px 0;border-top:1px solid var(--line)}.material-grid span{font-size:14px;color:var(--green)}.material-grid h3{font-size:22px;line-height:1.35}.parts-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}.parts-layout .part-options{grid-template-columns:1fr}.part-options button{font-size:16px;min-height:62px}.parts-layout .figure-open img{height:275px;object-fit:contain}.parts-layout .tig-detail{margin-top:20px}.image-credit{font-size:12px!important;line-height:1.6;margin:10px 0 0;color:var(--muted)}.image-credit a{color:inherit}.class-code{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0}.class-code button{padding:8px 14px;background:transparent;font:600 clamp(34px,5vw,60px)/1.2 Manrope,sans-serif;border:1px solid var(--line);border-radius:12px;color:var(--ink)}.class-code button[aria-pressed=true]{border-color:var(--green);color:var(--green)}.parameter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:32px}.parameter-grid article{padding:28px;border:1px solid var(--line);border-radius:18px}.parameter-symbol{font-size:36px;letter-spacing:-.05em;color:var(--green)}.parameter-grid h3{font-size:25px;margin-top:24px}.parameter-grid p{font-size:16px}.parameter-grid small{font-size:14px;color:var(--muted)}.flow-lab{padding:30px;border-radius:18px;background:var(--soft)}.flow-lab label{display:block;margin:18px 0 9px;font-size:15px;font-weight:600}.flow-lab input,.calc-form input[type=number],select{width:100%;padding:14px;border:1px solid #c5d5cb;border-radius:10px;background:#fff;font:inherit;color:var(--ink)}.flow-lab #flowResult{font-size:30px;line-height:1.4;color:var(--green);margin-top:26px}.select-label{display:block;margin-bottom:10px;font-size:15px}.select-label+select{max-width:430px;margin-bottom:24px}.calc-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.calc-form{min-width:0}.calc-form label{display:block;font-size:15px;font-weight:600;margin:19px 0 10px}.calc-form .tig-tabs{margin:20px 0}.calc-result-panel{padding:32px;background:var(--ink);color:white;border-radius:20px;min-width:0}.calc-result-panel .eyebrow{color:#9dd3b3}.calc-main-result{font:600 clamp(52px,5.5vw,82px)/1.1 Manrope,sans-serif;letter-spacing:-.05em;margin:25px 0}.calc-main-result small{font-size:25px;font-weight:500}.calc-secondary{display:grid;grid-template-columns:1fr 1fr;gap:18px;border-top:1px solid #ffffff30;padding-top:25px}.calc-secondary strong{display:block;font:600 29px/1.2 Manrope,sans-serif}.calc-secondary span{display:block;font-size:14px;color:#b5cec0;margin-top:9px}.calc-result-panel p{font-size:15px;color:#d1dfd6}.calc-result-panel a{color:#b2e5c8}.calc-form input[type=range]{width:100%;margin:19px 0;accent-color:var(--green)}#calcStatus{padding:14px 17px;border-radius:10px;background:#eff6f0;color:#205137;font-size:15px}#calcStatus.outside{background:#fff1df;color:#7e4a0c}.calc-form .presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.presets button{padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--green);font-size:14px}.calc-form .source-note{font-size:13px}.calc-mode .tig-tabs{margin-top:20px}.calc-input-row{display:grid;grid-template-columns:1fr 105px;gap:12px;align-items:end}.calc-input-row span{padding:14px 0;font-size:15px}.calc-worksheet{font-size:16px;padding-top:22px}.calc-worksheet b{color:var(--green)}.animation-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:18px;border-top:1px solid var(--line);padding-top:18px;margin-top:20px}.animation-toolbar button{font-size:15px;min-height:36px}.animation-toolbar span{font-size:13px;color:var(--muted)}.diagram-panel svg{width:100%;max-height:490px}.diagram-panel{min-width:0}.wire-flow,.gas-flow,.arc-glow,.motion-group,.sequence-bead{animation-play-state:paused!important}.is-playing .wire-flow{animation:wireMove .8s linear infinite;animation-play-state:running!important}.is-playing .gas-flow{animation:wireMove 1.1s linear infinite;animation-play-state:running!important}.is-playing .arc-glow{animation:arcPulse 1.2s ease-in-out infinite;animation-play-state:running!important}.is-playing .motion-group{animation:travelDemo 4s ease-in-out infinite;animation-play-state:running!important}.is-playing .sequence-bead{animation:deposit 4s linear infinite;animation-play-state:running!important}.polarity-panel{padding:32px;border-radius:18px;background:var(--soft)}.polarity-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}.terminal{background:white;padding:28px 15px;text-align:center;border-radius:14px;border:1px solid var(--line)}.terminal strong{display:block;font:600 65px/1.1 Manrope,sans-serif;color:var(--green)}.terminal span{font-size:16px;display:block;margin-top:15px}.polarity-panel>p{font-size:15px}.defect-tabs .tig-tabs{gap:8px}.defect-tabs button{font-size:14px;padding:10px 14px}.defect-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:35px;align-items:center}.defect-layout .tig-detail{padding:28px}.defect-layout h3{font-size:28px}.defect-layout .figure-open img{max-height:250px}.defect-source{font-size:13px;color:var(--muted)}.mag-position img{max-height:440px}.position-copy .big-code{font:600 80px/1.1 Manrope,sans-serif;color:var(--green)}.mag-position,.mag-pass{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}.mag-pass img{max-height:470px}.mag-pass .tig-detail{background:transparent}.maintenance-layout{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}.maintenance-layout img{height:300px}.maintenance-layout h3{font-size:32px}.mag-action .figure-open img{max-height:480px}.flow-photo .figure-open img{height:250px}.flow-layout{display:grid;grid-template-columns:1fr 1fr;gap:35px}.flow-layout>div{min-width:0}
@keyframes wireMove{to{stroke-dashoffset:-36}}@keyframes arcPulse{50%{opacity:.4}}@keyframes travelDemo{0%,100%{transform:translateX(-55px)}50%{transform:translateX(95px)}}@keyframes deposit{0%{stroke-dashoffset:620}85%,100%{stroke-dashoffset:0}}
@media(max-width:1000px){.material-grid{grid-template-columns:repeat(2,1fr)}.parameter-grid{gap:15px}.parameter-grid article{padding:22px}.parameter-grid h3{font-size:23px}.calc-layout{gap:25px}.calc-result-panel{padding:27px}.parts-layout{gap:25px}.mag-cover .cover-object img{height:340px}}
@media(max-width:700px){.mag-cover .cover-object img{height:260px}.parts-layout,.calc-layout,.defect-layout,.mag-position,.mag-pass,.maintenance-layout,.flow-layout{grid-template-columns:1fr;gap:25px}.benefit-grid,.wire-comparison,.parameter-grid{grid-template-columns:1fr;gap:22px}.benefit-grid article{padding:18px 0}.material-grid{gap:15px}.material-grid h3{font-size:20px}.parts-layout .part-options{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:0}.part-options button{font-size:14px;min-height:58px}.class-code{gap:6px}.class-code button{padding:8px 10px;font-size:36px}.calc-result-panel{padding:26px}.calc-main-result{font-size:62px}.calc-secondary strong{font-size:25px}.calc-form label{font-size:14px}.tig-tabs button{font-size:14px;padding:10px 14px}.defect-tabs .tig-tabs button{flex:1 1 40%;font-size:13px}.parameter-grid article{padding:24px}.polarity-panel{padding:22px}.terminal strong{font-size:55px}.animation-toolbar{gap:9px}.diagram-panel svg{max-height:none}.wire-comparison img{height:240px}.flow-lab{padding:24px}.mag-position .position-copy{order:-1}.position-copy .big-code{font-size:60px}.maintenance-layout img{height:240px}.cover-scope{font-size:13px}}
@media(prefers-reduced-motion:reduce){.is-playing *{animation:none!important;transition:none!important}}

.process-title{font:600 30px/1.25 Manrope,sans-serif;letter-spacing:-.025em}.flow-photo .figure-open img{max-width:300px;margin:auto}.tig-figure.mag-small-photo .figure-open img{max-width:420px;margin:auto}

.calc-secondary strong>span{display:inline;font:inherit;color:inherit;margin:0}
.arc-reading{background:#f0f6f3;padding:22px;border-radius:14px;margin:22px 0}.arc-reading span,.arc-reading b{display:block}.arc-reading span{font-size:13px;color:var(--muted);margin-bottom:8px}.arc-reading b{font-size:22px}.intensity-track{height:7px;background:#dbe7df;border-radius:9px;margin-top:18px;overflow:hidden}.intensity-track i{display:block;height:100%;background:linear-gradient(90deg,#59a9b7,#087b55);transition:width .15s}#stickout,#travelControl{width:100%;accent-color:var(--green);margin:22px 0}#gunDrag{cursor:grab;outline:none}#gunDrag:active{cursor:grabbing}#gunDrag:focus-visible{filter:drop-shadow(0 0 5px #139769)}#directionDiagram{touch-action:none;user-select:none}.arc-intensity{transition:r .12s}
.annotated-figure{margin:0}.annotated-figure svg{width:100%;display:block}.annotated-figure figcaption{font-size:13px;color:var(--muted);line-height:1.6}.annotated-figure .text-button{font-size:13px}.parts-layout .part-photo .figure-open img{height:330px;max-height:none}.parts-layout .exploded-photo .figure-open img{height:530px;max-height:none}.parts-key{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:14px;margin-top:22px}.parts-key b{display:inline-block;min-width:26px;color:var(--green)}.material-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:32px 24px;margin-top:38px}.material-gallery article{min-width:0;border-bottom:1px solid var(--line);padding-bottom:24px}.material-gallery .eyebrow{font-size:11px;min-height:30px}.material-gallery .material-photo .figure-open img{width:100%;height:155px;object-fit:contain;background:#fff}.material-gallery h3{font-size:20px;line-height:1.3;margin-top:22px}.material-gallery p{font-size:14px;line-height:1.6}.material-gallery figcaption{display:none}.material-gallery .image-credit{font-size:10px!important}.material-use{color:#365646}.maintenance-layout .annotated-figure{width:100%}.defect-layout .figure-open img{max-height:360px;object-fit:contain}.parts-layout .annotated-figure svg{max-height:420px}
@media(max-width:1000px){.material-gallery{grid-template-columns:1fr 1fr}}@media(max-width:700px){.material-gallery{gap:28px 16px}.material-gallery h3{font-size:18px}.material-gallery .material-photo .figure-open img{height:125px}.parts-layout .part-photo .figure-open img{height:270px}.parts-layout .exploded-photo .figure-open img{height:auto}.parts-key{grid-template-columns:1fr}.annotated-figure svg{min-height:260px}}
.defect-evidence{background:#f5f7f5;padding:24px;border-radius:18px;min-width:0}.defect-evidence>.eyebrow{margin-bottom:22px}.defect-evidence .figure-open{background:transparent}.defect-evidence .compact-evidence .figure-open img{width:auto;max-width:100%;max-height:180px;margin:20px auto;object-fit:contain}.defect-evidence .image-credit{font-size:10px!important}.observation{border-top:1px solid var(--line);margin-top:24px;padding-top:20px}.observation b{font-size:14px;color:var(--green)}.observation p{font-size:15px;line-height:1.65;margin-bottom:0}.mag-action .figure-open img{width:100%;max-height:none;object-fit:contain}.mag-action.visual-lesson{grid-template-columns:.9fr 1.25fr}
@media(max-width:700px){.mag-action.visual-lesson{grid-template-columns:1fr}.defect-evidence{padding:20px}}
#thicknessBench{display:grid;grid-template-columns:1fr 1fr;gap:12px 28px;border:1px solid var(--line);border-radius:18px;padding:24px;margin:24px 0 32px;background:#f8faf8;align-items:center}.thickness-control label{display:block;font-size:16px;font-weight:600;margin:10px 0}.thickness-control .eyebrow{font-size:12px}#platePreview svg{width:100%;max-height:150px}.thickness-context{grid-column:1/-1;font-size:14px!important;margin:0;color:var(--muted)}.incompatible{background:#fff0df!important;color:#804715!important}.travel-choice{display:flex;flex-wrap:wrap;gap:7px;margin:20px 0}.travel-choice b{width:100%;font-size:14px}.travel-choice button{font:inherit;font-size:13px;border:1px solid #b9cbbf;border-radius:8px;padding:9px;background:white;color:#244f36}.travel-choice button[aria-pressed=true]{background:#deeee3;border-color:#087e55}.angle-workshop{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center}.angle-workshop h3{font-size:30px}.angle-workshop input{width:100%;accent-color:var(--green);margin-top:20px}.angle-workshop label{display:block;font-size:16px}.parts-layout .generic-part .figure-open img{height:auto;max-height:430px;width:100%;object-fit:contain}.maintenance-layout .figure-open img{height:auto;max-height:420px;object-fit:contain}.material-gallery article:nth-child(7) .figure-open img{object-fit:cover}.mag-cover .cover-object img{object-fit:contain}#directionDiagram svg{max-height:550px}
@media(max-width:700px){#thicknessBench{grid-template-columns:1fr;padding:20px}#platePreview svg{max-height:130px}.angle-workshop{grid-template-columns:1fr;gap:20px}.angle-workshop h3{font-size:26px}.travel-choice button{font-size:14px}}