/* Shared knowledge library and interactive material studios. */
.knowledge-hero{padding:70px var(--gutter) 80px;background:#eeefeb;position:relative;overflow:hidden}.knowledge-hero:after{content:'';position:absolute;width:45vw;height:45vw;border:1px solid #9ea79a33;border-radius:50%;right:-20vw;top:-5vw;box-shadow:0 0 0 75px #9ea79a0a,0 0 0 150px #9ea79a08;pointer-events:none}.knowledge-hero>*{position:relative;z-index:1}.knowledge-hero h1{font-size:clamp(46px,6.6vw,104px);line-height:1.04;letter-spacing:-.06em;max-width:1100px;margin:35px 0}.knowledge-hero h1 em,.wall-lab h2 em{font-style:normal;color:var(--orange,#ef5426)}.knowledge-hero>p{max-width:690px;line-height:1.8;font-size:17px}.knowledge-hero .actions{margin-top:30px}.knowledge-hero .breadcrumb{margin-bottom:35px}.lab-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,1fr);border:1px solid #d6d9d2;background:#fff}.lab-stage{background:#e9ece7;position:relative;min-width:0;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.lab-stage canvas{width:100%;height:440px;display:block;touch-action:pan-y;cursor:grab}.lab-stage canvas:active{cursor:grabbing}.lab-status{display:flex;justify-content:space-between;gap:15px;padding:22px 25px;font-size:9px;letter-spacing:1.4px;color:#5b645b}.scene-controls{display:flex;gap:25px;align-items:center;padding:16px 25px;border-top:1px solid #c9d0c5}.scene-controls label{flex:1;display:grid;gap:9px;font-size:10px}.scene-controls input{padding:0;accent-color:#ef5426;min-width:0;width:100%}.scene-controls button,.lab-actions button{font-size:11px;border:1px solid #b9c0b5;padding:12px 16px;background:transparent;color:#333a34;transition:background .25s}.scene-controls button[aria-pressed=true]{background:#27372c;color:#fff}.scene-note{font-size:9px;padding:0 25px 15px;color:#687267;margin:0}.lab-toolbox{padding:28px}.build-instruction h3{font-size:26px;letter-spacing:-.035em;margin:10px 0}.build-instruction p{font-size:12px;line-height:1.7;min-height:62px}.lab-toolbox progress{appearance:none;width:100%;height:3px;border:0;margin:8px 0 20px}.lab-toolbox progress::-webkit-progress-bar{background:#e8ebe5}.lab-toolbox progress::-webkit-progress-value{background:#ef5426;transition:width .5s}.build-parts{display:grid;gap:5px}.build-parts button{width:100%;display:grid;grid-template-columns:25px 1fr 20px;gap:14px;align-items:center;text-align:left;border:1px solid #dde1d8;background:#f8f9f5;padding:12px 16px;color:#303b32;font-size:12px;transition:background .3s,border-color .3s,transform .3s}.build-parts button:hover{border-color:#f36e3c;transform:translateX(-3px)}.build-parts button.placed{background:#eaf1e9;border-color:#c3d4bf}.build-parts button small{display:block;color:#74816c;font-size:9px;margin-top:4px}.part-number{font-size:9px;color:#8d9888}.lab-actions{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}.lab-foot{display:flex;justify-content:space-between;align-items:center;gap:30px;padding-top:20px}.lab-foot p{font-size:11px;max-width:650px;line-height:1.7;color:#6b7468}.lab-foot a{white-space:nowrap;font-size:11px}.scene-fallback{padding:60px 30px;line-height:1.8}.reading-section{max-width:1150px;margin:auto}.faq-list{margin:35px 0}.faq-list details{border-top:1px solid #d3d9d0;padding:23px 0}.faq-list summary{font-size:18px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq-list p{max-width:780px;line-height:1.85;color:#646f61}.source-note{font-size:11px;line-height:1.8;color:#6c7568;margin:30px 0}.source-note a{text-decoration:underline}.library-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:36px}.library-head label{display:grid;gap:12px;width:min(600px,100%);font-size:13px}.library-head input{width:100%;padding:18px;background:#f5f6f2;border:1px solid #cbd3c7;font:inherit}.library-head p{font-size:11px;color:#6d7968}.document-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.document-card{display:flex;gap:20px;align-items:center;background:#f5f6f2;border:1px solid #dde2d8;padding:25px;transition:border-color .25s,transform .25s;min-width:0}.document-card:hover{border-color:#f15e2a;transform:translateY(-3px)}.document-card[hidden]{display:none}.document-card h3{font-size:20px;letter-spacing:-.035em;margin:10px 0;line-height:1.3}.document-card p{font-size:11px;color:#788170}.document-card .eyebrow{font-size:8px}.document-symbol{flex:0 0 52px;display:grid;align-content:space-between;height:72px;background:white;border:1px solid #d3d9cc;padding:10px;font-size:11px;color:#f15e2a}.document-symbol span{font-size:8px;color:#7f8977}.document-open{margin-left:auto;font-size:24px;color:#e95828}.document-context{display:grid;grid-template-columns:1fr 1fr;gap:80px}.document-context h2{font-size:clamp(32px,4vw,58px)}.document-context p{line-height:1.85;color:#5c6958}.inline-cta{display:flex;justify-content:space-between;align-items:center;background:#ecefe6;gap:30px;padding-top:30px;padding-bottom:30px}.pdf-toolbar{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:25px}.pdf-toolbar h2{font-size:30px;letter-spacing:-.04em}.pdf-toolbar p{font-size:12px;color:#697661}.pdf-mount{padding:70px 30px;text-align:center;background:#e9ece5;border:1px solid #d2d8ca}.pdf-mount p{font-size:12px}.pdf-mount.loaded{padding:0;background:#333}.pdf-mount iframe{width:100%;height:80vh;min-height:500px;display:block;border:0}.document-origin{font-size:11px;color:#727e69;border-top:1px solid #d1d8c9;padding:20px 0;margin-bottom:30px}.document-origin summary{cursor:pointer}.document-origin code{word-break:break-all;white-space:normal}.water-lab{background:#eaf2f7;color:#203d51}.water-lab .lab-stage{background:#e9f1f6}.water-lab .lab-stage canvas{height:500px}.water-lab .lab-layout{grid-template-columns:minmax(0,1.5fr) minmax(300px,1fr);border-color:#c4d6e3}.water-lab .lab-status{color:#5d7a91}.water-lab h2 em{font-style:normal;color:#297ab1}.water-phase-list{display:grid;gap:9px}.water-phase-list button{padding:17px;border:1px solid #d4e1e9;color:#476578;background:#f5f9fc;text-align:left;display:flex;gap:20px;font-size:13px}.water-phase-list button[aria-pressed=true]{background:#1b5f8c;border-color:#1b5f8c;color:white}.water-phase-list button>span{font-size:9px;opacity:.7}.water-explanation{padding-top:28px;min-height:180px}.water-explanation h3{font-size:27px;letter-spacing:-.03em}.water-explanation p{font-size:13px;line-height:1.85}.water-customer{border-left:3px solid #3d92bf;padding-left:15px;font-size:11px;line-height:1.8;color:#4e6f85}.water-lab .scene-note{color:#5d7a91}.water-risks{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:40px}.water-risks article{border-top:2px solid #76a0ba;padding-top:22px}.water-risks h3{font-size:23px}.water-risks p{font-size:14px;line-height:1.8}.urgent-call{display:flex;gap:30px;align-items:center;justify-content:space-between;background:#ddecf6;padding:35px var(--gutter);color:#1e4e70}.urgent-call strong{font-size:22px}.urgent-call p{font-size:12px}.safety-list{counter-reset:safety;display:grid;gap:0;max-width:900px}.safety-list article{counter-increment:safety;display:grid;grid-template-columns:65px 1fr;border-top:1px solid #cbdbe6;padding:28px 0}.safety-list article:before{content:'0'counter(safety);font-size:13px;color:#6a94af}.safety-list h3{font-size:25px;margin-top:0}.safety-list p{line-height:1.8}.emergency-notice{padding:25px;background:#f5e9dd;border-left:3px solid #bc5939;line-height:1.8}.city-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.city-card{padding:27px;border:1px solid #d0d8c9;background:#f4f6ef;transition:border-color .3s}.city-card:hover{border-color:#ef5426}.city-card h3{margin:0 0 10px;font-size:26px;letter-spacing:-.05em}.city-card p{font-size:12px;line-height:1.8;color:#6e7c65}.city-content{display:grid;grid-template-columns:1fr 1fr;gap:65px}.city-content p{line-height:1.85}.city-links{display:grid;gap:15px;padding:25px;background:#eef2e8}.city-links a{border-bottom:1px solid #d7e0cf;padding-bottom:15px}.city-focus{font-size:clamp(30px,4vw,54px);max-width:900px;line-height:1.2}.knowledge-hero+.urgent-call{margin-top:0}
@media(max-width:950px){.lab-layout,.water-lab .lab-layout{grid-template-columns:1fr}.lab-stage canvas{height:440px}.lab-toolbox{padding:26px}.build-parts{grid-template-columns:1fr 1fr}.build-instruction p{min-height:0}.water-phase-list{grid-template-columns:repeat(5,1fr);gap:5px}.water-phase-list button{display:grid;padding:12px;font-size:11px;gap:8px}.water-explanation{min-height:0}.document-card{padding:18px;gap:12px}.document-card h3{font-size:17px}.document-symbol{flex-basis:42px;padding:7px}.city-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.knowledge-hero{padding:45px 24px 55px}.knowledge-hero h1{font-size:45px;overflow-wrap:anywhere}.knowledge-hero>p{font-size:14px}.knowledge-hero .breadcrumb{font-size:9px}.lab-stage canvas,.water-lab .lab-stage canvas{height:330px}.lab-status{padding:17px;font-size:7px}.lab-toolbox{padding:20px}.build-parts{grid-template-columns:1fr}.scene-controls{gap:15px;padding:14px 18px}.scene-controls button{padding:10px;font-size:9px}.lab-foot{display:block}.lab-foot a{white-space:normal}.water-phase-list{grid-template-columns:1fr 1fr}.water-phase-list button:last-child{grid-column:1/-1}.document-grid,.document-context,.city-grid,.city-content,.water-risks{grid-template-columns:1fr}.document-context,.city-content{gap:30px}.library-head,.pdf-toolbar,.inline-cta,.urgent-call{align-items:start;flex-direction:column}.library-head{gap:10px}.pdf-toolbar h2{font-size:25px}.pdf-mount{padding:40px 20px}.pdf-mount .btn{font-size:11px}.pdf-mount iframe{min-height:440px}.safety-list article{grid-template-columns:40px 1fr}.water-risks{gap:15px}}
@media(prefers-reduced-motion:reduce){.document-card,.build-parts button,.scene-controls button,.city-card{transition:none}.document-card:hover,.build-parts button:hover{transform:none}}
.pdf-mount.loaded{background:#e4e7e0;color:#30402d}.reader-toolbar{display:flex;align-items:center;justify-content:center;gap:14px;background:#f3f5ee;padding:16px;flex-wrap:wrap;border-bottom:1px solid #ced7c5}.reader-toolbar button{background:white;border:1px solid #c3ceb9;min-width:40px;min-height:40px;font-size:20px;color:#4e5f43}.reader-toolbar button:disabled{opacity:.35;cursor:default}.reader-toolbar label{display:flex;align-items:center;gap:8px;font-size:12px}.reader-toolbar input{width:63px;padding:9px;border:1px solid #c3ceb9;background:white;font:inherit;color:#263821}.reader-toolbar select{padding:10px;background:white;border:1px solid #c3ceb9;font:inherit;color:#263821}.reader-status{padding:10px 18px;margin:0;font-size:10px!important;color:#607153}.reader-viewport{width:100%;overflow:auto;max-height:80vh;padding:12px;overscroll-behavior:contain;text-align:left}.reader-viewport canvas{display:block;background:white;margin:0 auto;box-shadow:0 4px 16px #27381a25;max-width:none}.reader-text{padding:18px;text-align:left;background:#f1f4ec;font-size:11px}.reader-text summary{cursor:pointer}.reader-text pre{white-space:pre-wrap;word-break:break-word;font-family:inherit;line-height:1.75;max-height:400px;overflow:auto}.pdf-mount{min-width:0}.pdf-section{min-width:0}
@media(max-width:600px){.reader-toolbar{gap:7px;padding:10px}.reader-toolbar label{font-size:10px}.reader-toolbar select{max-width:116px}.reader-viewport{max-height:65vh}}