:root{--bg:#080808;--panel:#1a1a1a;--line:#2e2e2e;--text:#ffffff;--muted:#a1a1aa;--accent:#f9004d;--accent-text:#f9004d;--accent-hover:#e0003f;--accent-subtle:#f9004d1a;color-scheme:dark;font-family:Poppins,Arial,sans-serif;font-synthesis:none;background:var(--bg);color:var(--text)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:120px}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent-text);outline-offset:6px}button{border:0}svg{display:block}::selection{background:#f9004d;color:white}.wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}.skip-link{position:fixed;left:20px;top:-100px;z-index:100;padding:12px 20px;background:var(--accent)}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:20;background:rgba(8,8,8,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.header-inner{height:88px;width:min(1400px,calc(100% - 80px));margin:auto;display:flex;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:27px;line-height:1;font-weight:700;letter-spacing:-1.2px}.brand img{display:block;height:34px;width:auto;max-width:none}.header-divider{height:28px;width:1px;background:var(--line)}.journal-label{font-size:14px;font-weight:500;line-height:1.6}.journal-label span{display:block;color:var(--muted);font-size:10px;font-weight:400}.site-header nav{display:flex;gap:32px;align-items:center;margin-left:auto;font-size:12px}.all-articles:hover{color:var(--accent-text)}.button{display:inline-flex;align-items:center;justify-content:center;gap:34px;background:var(--accent);color:white;border-radius:6px;padding:16px 23px;font-size:13px;line-height:1.5;font-weight:600;transition:transform 200ms,box-shadow 200ms,color 200ms}.button:hover{background:var(--accent-hover);transform:translateY(-3px);box-shadow:0 8px 20px rgb(249 0 77 / 30%)}.button span{font-size:20px;line-height:1}.button-small{padding:13px 18px;gap:24px;font-size:12px}.reading-progress{position:absolute;bottom:-1px;height:2px;background:var(--accent);width:100%;transform:scaleX(0);transform-origin:left}.breadcrumb{display:flex;gap:15px;font-size:11px;color:var(--muted);padding-top:33px;align-items:center}.breadcrumb a{color:#ffffff}.breadcrumb a:hover{color:var(--accent-text)}.breadcrumb>span:nth-child(2){color:#a1a1aa}.article-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:64px;align-items:center;padding-block:57px 70px;border-bottom:1px solid var(--line)}.eyebrow{display:flex;align-items:center;gap:10px;font-size:10px;line-height:1.6;text-transform:uppercase;letter-spacing:1.5px;font-weight:600;color:var(--accent-text)}.pink-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}.edition{margin-left:auto;color:#a1a1aa;font-size:9px;letter-spacing:1px}.article-hero h1{font-size:clamp(36px,4vw,60px);line-height:1.15;letter-spacing:-2.5px;font-weight:600;margin:25px 0}.article-hero h1>span{color:var(--accent-text)}.lead{font-size:15px;line-height:1.95;color:#a1a1aa;margin:0}.article-meta{display:flex;align-items:center;gap:14px;margin-top:32px;font-size:10px;color:var(--muted)}.author-mark{width:35px;height:35px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%}.author-mark img{width:20px;height:20px}.article-meta strong{display:block;color:#ffffff;font-size:11px;font-weight:500}.article-meta small{font-size:9px;display:block;margin-top:2px}.meta-separator{width:1px;height:25px;background:var(--line);margin-inline:5px}.start-reading{border:1px solid #404040;margin-left:auto;width:33px;height:33px;border-radius:50%;display:grid;place-items:center;font-size:17px;color:white}.start-reading:hover{border-color:var(--accent);color:var(--accent-text)}
/* Couvertures éditoriales : photo du projet et schémas de concept, pas un viewer. */
.cover{background:#1a1a1a;border:1px solid #404040;aspect-ratio:1.08;position:relative;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;padding:24px}.cover-label{display:flex;justify-content:space-between;align-items:center;font-size:8px;letter-spacing:1.6px;color:#a1a1aa;z-index:2}.cover-label>span{font-size:11px;color:var(--accent-text)}.cover-foot{margin-top:auto;display:flex;align-items:center;gap:9px;font-size:9px;color:#a1a1aa;padding-top:17px;z-index:2;letter-spacing:.1px}.cover-foot>span:last-child{margin-left:auto;font-size:18px;color:var(--accent-text)}.photo-frame{position:relative;flex:1;min-height:0;margin-top:23px;overflow:hidden;background:#e9e7e3;border-radius:2px}.photo-frame img{width:100%;height:100%;object-fit:cover;object-position:50% 36%;position:absolute;mix-blend-mode:multiply}.corner{position:absolute;width:18px;height:18px;border-color:var(--accent);border-style:solid;border-width:0}.tl{left:15px;top:15px;border-left-width:1px;border-top-width:1px}.tr{right:15px;top:15px;border-right-width:1px;border-top-width:1px}.bl{left:15px;bottom:15px;border-left-width:1px;border-bottom-width:1px}.br{right:15px;bottom:15px;border-right-width:1px;border-bottom-width:1px}.cover-rendus{background:var(--panel)}.source-file{margin:32px auto 0;border:1px solid #404040;background:#242424;border-radius:8px;display:flex;align-items:center;gap:13px;padding:14px 16px;width:85%;font-size:13px}.source-file img{width:28px;height:28px}.source-file small{display:block;font-size:6px;color:var(--muted);letter-spacing:1px;margin-top:5px}.source-file b{color:var(--accent-text);font-weight:400;margin-left:auto}.branch-lines{width:68%;height:30px;border-top:1px solid #a1a1aa;border-inline:1px solid #a1a1aa;margin:20px auto 0;position:relative}.branch-lines:before{content:'';height:51px;position:absolute;width:1px;background:#a1a1aa;left:50%;top:-21px}.image-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;position:relative}.image-stack>div{overflow:hidden;border-radius:4px;background:#e6e3df;aspect-ratio:.8;position:relative}.image-stack img{height:100%;width:100%;object-fit:cover;mix-blend-mode:multiply}.image-stack>div:first-child img{transform:scale(1.6);object-position:25% 50%}.image-stack>div:last-child img{transform:scale(3);object-position:58% 70%}.image-stack span{position:absolute;bottom:5px;left:5px;color:#fff;background:#111d;font-size:7px;padding:3px 7px;border-radius:3px}.cover-roi{background:var(--panel)}.formula{text-align:center;display:flex;flex-direction:column;align-items:center;margin:auto 0;padding:24px 10px 0;font-size:17px;font-weight:500}.division-line{width:75%;height:1px;background:#a1a1aa;position:relative;margin:21px 0}.division-line i{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#1a1a1a;padding:0 14px;font-size:23px;color:var(--accent-text);font-style:normal}.equals{font-size:24px;color:#a1a1aa;margin:5px}.formula strong{color:var(--accent-text);font-size:31px;font-weight:500;line-height:1.2;letter-spacing:-1px}.formula strong span{display:block;font-size:22px;color:#ffffff;margin-top:3px}.network{position:relative;flex:1;min-height:210px;margin-top:10px}.network-lines{position:absolute;inset:0;width:100%;height:100%}.network-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid #f9004d;background:#242424;border-radius:50%;width:110px;height:110px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:9px;gap:12px;box-shadow:none}.network-core img{width:33px;height:33px}.node{position:absolute;transform:translate(-50%,-50%);padding:8px 10px;background:#242424;border:1px solid #404040;border-radius:5px;font-size:8px;color:#ffffff;white-space:nowrap}.node-0{left:24%;top:16%}.node-1{left:76%;top:16%}.node-2{left:12%;top:50%}.node-3{left:88%;top:50%}.node-4{left:24%;top:84%}.node-5{left:76%;top:84%}
/* Lecture */
.article-layout{display:grid;grid-template-columns:250px minmax(0,730px);gap:90px;justify-content:center;padding-block:66px 0;scroll-margin-top:120px}.sidebar{align-self:start;position:sticky;top:125px;max-height:calc(100vh - 150px);overflow-y:auto;scrollbar-width:thin}.toc summary{font-size:10px;text-transform:uppercase;letter-spacing:1.5px;font-weight:600;color:#ffffff;list-style:none;display:flex;justify-content:space-between;cursor:pointer;padding-bottom:22px}.toc summary::-webkit-details-marker{display:none}.toc summary>span{font-size:14px;color:var(--accent-text)}.toc nav{border-left:1px solid var(--line)}.toc nav a{display:flex;gap:13px;align-items:baseline;padding:11px 0 11px 18px;font-size:11px;line-height:1.7;color:#a1a1aa;border-left:2px solid transparent;margin-left:-1px;transition:color .2s}.toc nav a>span{font-size:8px;color:#a1a1aa;flex:none}.toc nav a:hover{color:white}.toc nav a.is-current{color:#ffffff;border-color:var(--accent);background:var(--accent-subtle)}.toc nav a.is-current>span{color:var(--accent-text)}.reading-tools{border-top:1px solid var(--line);margin-top:28px;padding-top:16px}.reading-tools button{font-size:10px;width:100%;background:none;display:flex;justify-content:space-between;padding:10px 0;color:var(--muted);text-align:left}.reading-tools button:hover{color:white}.reading-tools button span{color:var(--accent-text)}.article-body{font-size:16px;line-height:1.95;color:#a1a1aa;min-width:0}.article-body>p:first-child{font-size:20px;line-height:1.8;color:#ffffff;margin-top:-8px}.article-body p{margin:0 0 26px}.article-body h2{font-size:28px;line-height:1.35;letter-spacing:-.8px;font-weight:600;color:#ffffff;margin:65px 0 26px;padding-top:33px;border-top:1px solid var(--line);scroll-margin-top:115px}.article-body h3{font-size:19px;color:#ffffff;font-weight:500;scroll-margin-top:115px}.article-body strong{color:#ffffff;font-weight:600}.article-body em{font-style:italic}.article-body .emphasis{border-left:2px solid var(--accent);background:var(--accent-subtle);padding:22px 25px;margin:32px 0;font-size:19px;line-height:1.7}.article-body .emphasis strong{font-weight:500}.article-body blockquote{margin:34px 0;padding:27px 30px;border:1px solid #404040;border-left:3px solid var(--accent);border-radius:0 8px 8px 0;background:#1a1a1a;color:#ffffff;font-size:19px;line-height:1.8}.article-body blockquote p{margin:0}.article-body blockquote em{font-style:normal}.article-body blockquote strong{font-weight:500}.article-body ul,.article-body ol{padding-left:25px;margin-block:25px 32px}.article-body li{padding-left:9px;margin:13px 0}.article-body li::marker{color:var(--accent-text)}.article-body a{color:var(--accent-text);text-decoration:underline;text-underline-offset:4px}.table-scroll{overflow-x:auto;border:1px solid #404040;border-radius:8px;margin:28px 0 35px;scrollbar-width:thin;scrollbar-color:#a1a1aa #1a1a1a}.article-body table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.7;text-align:left;background:#1a1a1a}.article-body th,.article-body td{border-bottom:1px solid #404040;border-right:1px solid #404040;padding:15px 18px;font-weight:400}.article-body thead th{background:#242424;color:#ffffff;font-size:10px;white-space:nowrap;font-weight:500}.article-body tbody th{min-width:190px}.article-body td{min-width:85px}.article-body tr:last-child>*{border-bottom:0}.article-body tr>*:last-child{border-right:0;min-width:105px}.article-body tbody tr:has(strong){background:#242424}.article-body .blank:after{content:'';display:block;border-bottom:1px dashed #a1a1aa;width:75%;min-width:30px;margin:auto}.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}.article-cta{position:relative;padding:36px;margin-top:55px;border:1px solid #404040;background:var(--panel);border-radius:8px}.article-cta .eyebrow{margin-bottom:20px}.article-cta p{font-size:14px;line-height:1.9;margin-bottom:24px}.article-cta p>strong:first-child{font-size:22px;line-height:1.4;display:block;font-weight:500;letter-spacing:-.5px;margin-bottom:10px}.article-cta br{display:none}.article-cta .emphasis{margin:0 0 24px;border:0;padding:0;background:none}.article-cta .button{margin-top:5px}.sources{font-size:12px;margin-top:40px}.sources h3{font-size:13px;text-transform:uppercase;letter-spacing:1px}.sources li{margin:8px 0}.sources a{color:var(--muted);word-break:break-word}.sources a:hover{color:var(--accent-text)}.article-end{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:45px;padding-top:23px;font-size:9px;letter-spacing:1px;color:#a1a1aa}.article-end a{font-size:10px;text-decoration:none;letter-spacing:0;color:#a1a1aa}.related{margin-top:110px;border-top:1px solid var(--line);padding-top:45px;padding-bottom:90px}.section-label{font-size:9px;color:var(--accent-text);letter-spacing:2px}.related-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:15px 0 30px}.related-heading h2{font-size:30px;letter-spacing:-1px;font-weight:500;margin:0}.related-heading>a{font-size:11px;color:var(--muted)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.related-card{border:1px solid var(--line);background:#1a1a1a;border-radius:8px;padding:26px;display:flex;flex-direction:column;transition:color 200ms}.related-card:hover{border-color:#f9004d;background:#2e2e2e}.card-meta{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:9px;color:var(--muted)}.card-meta>span:last-child{color:#a1a1aa}.related-card h3{font-size:20px;line-height:1.5;letter-spacing:-.5px;font-weight:500;margin:22px 0 30px}.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:auto;font-size:9px;color:var(--muted)}.circle-arrow{display:inline-grid;place-items:center;border:1px solid #404040;border-radius:50%;width:33px;height:33px;font-size:18px;color:var(--accent-text)}.site-footer{border-top:1px solid var(--line);width:min(1400px,calc(100% - 80px));margin:auto;padding:36px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--muted);font-size:10px}.site-footer .brand{font-size:23px;color:white}.site-footer .brand img{height:34px;width:auto}.site-footer p{font-size:9px;margin-top:12px}.site-footer>a{color:#ffffff}.preview-dialog{max-width:460px;width:calc(100% - 40px);border:1px solid #404040;border-radius:12px;padding:40px;background:#1a1a1a;color:white}.preview-dialog::backdrop{background:#000b;backdrop-filter:blur(4px)}.preview-dialog h2{font-size:25px;line-height:1.3;letter-spacing:-.7px;font-weight:500}.preview-dialog p{font-size:13px;line-height:1.8;color:var(--muted)}.dialog-close{background:none;position:absolute;right:15px;top:10px;font-size:26px}.dialog-dismiss{margin-top:15px}.toast{position:fixed;z-index:30;bottom:25px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#242424;border:1px solid #404040;border-radius:6px;padding:14px 22px;font-size:12px;transition:opacity .2s,transform .2s;max-width:calc(100% - 32px);width:max-content}.toast.visible{opacity:1;transform:translate(-50%,0)}
/* Galerie de livraison, indépendante de la navigation du site. */
.gallery{padding-top:75px;padding-bottom:100px}.gallery h1{font-size:clamp(36px,4.8vw,68px);line-height:1.15;letter-spacing:-2.8px;font-weight:500;margin:24px 0}.gallery h1>span{color:var(--accent-text)}.gallery-intro{color:var(--muted);max-width:620px;line-height:1.9;font-size:15px}.gallery-note{padding:15px 20px;border-left:2px solid var(--accent);background:#1a1a1a;color:#a1a1aa;font-size:11px;line-height:1.8;margin:35px 0 45px;max-width:750px}.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px}.gallery-card{border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:border-color .2s}.gallery-card:hover{border-color:#f9004d}.gallery-card .cover{aspect-ratio:1.65;border:none;border-radius:0;border-bottom:1px solid var(--line)}.gallery-card .photo-frame img{object-position:50% 45%}.gallery-card .cover-foot{display:none}.gallery-card .image-stack{width:65%;margin:auto;max-height:165px}.gallery-card .source-file{margin-top:20px;max-width:270px;padding:10px 15px}.gallery-card .branch-lines{width:43%;height:20px;margin-top:14px}.gallery-card .branch-lines:before{height:35px;top:-15px}.gallery-card .formula{padding:10px 0 0}.gallery-card .formula strong{font-size:26px}.gallery-card .formula strong span{font-size:20px}.gallery-card .division-line{width:50%;margin:15px 0}.gallery-card .network{max-width:450px;width:100%;align-self:center}.gallery-card-copy{padding:30px}.gallery-card-copy h2{font-size:27px;font-weight:500;letter-spacing:-.7px;line-height:1.4;min-height:114px;margin:22px 0}.gallery-read{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#ffffff}
@media(min-width:1550px){.article-hero{gap:85px}.article-hero h1{font-size:62px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.article-hero{gap:34px}.article-hero h1{font-size:43px;letter-spacing:-1.8px}.article-layout{grid-template-columns:220px minmax(0,1fr);gap:50px}.cover{padding:19px}.cover-foot{font-size:8px}.formula{font-size:15px}.formula strong{font-size:27px}.network-core{width:85px;height:85px}.node{font-size:7px;padding:7px}.cover-label{font-size:7px}.source-file{font-size:11px;margin-top:22px}.related-card{padding:20px}.related-card h3{font-size:18px}.gallery-card .image-stack{max-height:125px}.gallery-card-copy h2{font-size:23px}}
@media(max-width:900px){.header-inner{width:calc(100% - 48px);height:76px;gap:20px}.journal-label span{display:none}.article-hero{grid-template-columns:1fr;gap:35px;max-width:720px;padding-top:38px;padding-bottom:45px}.article-hero h1{font-size:clamp(37px,6.2vw,55px);max-width:650px}.hero-copy{max-width:none}.cover{aspect-ratio:1.6;width:100%;max-width:none;padding:25px}.cover-photo .photo-frame img{object-position:50% 42%}.cover-rendus .image-stack{width:65%;max-height:170px;margin:0 auto}.cover-rendus .source-file{max-width:300px;margin-top:20px}.cover-rendus .branch-lines{width:44%;height:25px}.cover-reseau .network{max-width:430px;width:100%;align-self:center}.formula{font-size:19px;padding-top:14px}.formula strong{font-size:30px}.article-layout{display:block;max-width:720px;padding-top:25px}.sidebar{position:static;max-height:none;overflow:visible;margin-bottom:50px}.toc{border:1px solid var(--line);border-radius:5px;background:#1a1a1a;padding:17px 20px}.toc summary{padding:0}.toc[open] summary{padding-bottom:17px}.toc nav a{font-size:12px;padding-block:9px}.reading-tools{display:flex;gap:25px;justify-content:flex-end;border:none;margin:0;padding:8px 0}.reading-tools button{width:auto;gap:12px}.article-body{font-size:16px}.related-grid{gap:13px}.related-card h3{font-size:17px}.related-heading h2{font-size:26px}.gallery-grid{gap:22px}.gallery-card .cover{aspect-ratio:1.15;padding:17px}.gallery-card .cover-label{font-size:6px}.gallery-card .image-stack{width:100%}.gallery-card .branch-lines{width:67%}.gallery-card .source-file{width:100%;font-size:10px}.gallery-card .formula{font-size:14px}.gallery-card .formula strong{font-size:23px}.gallery-card .formula strong span{font-size:17px}.gallery-card .network{min-height:180px}.gallery-card-copy{padding:22px}.gallery-card-copy h2{font-size:22px;min-height:125px}.gallery-card .card-meta{font-size:8px}.network-core{width:100px;height:100px}.node{font-size:9px}.gallery-card .network-core{width:76px;height:76px;font-size:7px}.gallery-card .node{font-size:6px;padding:6px}.gallery-card .network-core img{width:26px;height:26px}}
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.article-body h2,.article-body h3,.article-layout{scroll-margin-top:16px}
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/* PDP3D — guide de marque v1, 19 septembre 2026.
   Noir du site public conservé ; surfaces, bordures et textes unifiés.
   Les photos conservent leurs couleurs naturelles. Aucun logo recomposé. */
.article-hero h1,.gallery h1{font-size:clamp(2rem,4.2vw,3.25rem);font-weight:700;line-height:1.18;letter-spacing:-.045em}
.article-hero h1>span,.gallery h1>span{color:var(--accent)}
.lead,.article-body,.article-body>p:first-child{font-size:16px;line-height:1.75}
.article-body>p:first-child{font-weight:500}
.article-body h2{font-size:clamp(2rem,2.6vw,2.4rem);font-weight:600;letter-spacing:-.045em}
.article-body h3,.related-heading h2,.related-card h3,.gallery-card-copy h2,.preview-dialog h2{font-weight:600;letter-spacing:-.045em}
.article-body .emphasis{background:var(--panel);font-size:18px;line-height:1.75}
.article-body .emphasis strong,.article-body blockquote strong{font-weight:600;color:#ffffff}
.article-body blockquote{font-size:18px;line-height:1.75}
.article-body li::marker{color:#ffffff;font-weight:600}
.article-body a{color:#ffffff;text-decoration-color:var(--accent);text-decoration-thickness:2px}
.article-body a:hover{color:#ffffff;text-decoration-thickness:3px}
.article-body tbody tr:has(strong){border-left:3px solid var(--accent)}
.article-cta{border-radius:12px;border-top:3px solid var(--accent)}
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.toc nav a.is-current{font-weight:600;background:var(--accent-subtle)}
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.toc summary,.section-label,.eyebrow{font-size:11px}
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.source-file{border-left:3px solid var(--accent)}
.cover{min-height:350px}
.cover-rendus{min-height:370px}
.gallery-card .cover{min-height:300px}
.source-file small{font-size:8px}
.source-file b,.cover-foot>span:last-child{color:#ffffff}
.network-core{border:2px solid var(--accent)}
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.network-core span{font-weight:600}
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.gallery-card-copy h2{min-height:0}
.gallery-note{color:var(--muted)}
.footer-signature{display:grid;gap:5px}
.footer-signature small{font-size:11px}
@media(max-width:1100px){
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}
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  .header-inner{gap:8px}
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