:root{color:#2f2f2f;font-synthesis:none;text-rendering:optimizelegibility;--stage:#a79d91;--panel:#fbfaf7;--home-ink:#2f2f2f;--home-muted:#7a746c;--sage:#b7a38f;--sage-deep:#9f8b78;--ink:#2f2f2f;--muted:#7a746c;--surface:#fbfaf7e6;--surface-strong:#fffffff5;--line:#e5e0d8;--accent:#fff;--accent-ink:#2f2f2f;--primary:#b29e8a;--primary-ink:#fff;--desktop-panel-width:clamp(350px, 27vw, 520px);--page-gutter:clamp(1rem, 4vw, 2rem);--safe-top:env(safe-area-inset-top,0px);--safe-right:env(safe-area-inset-right,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--visible-viewport-height:100dvh;--app-height:min(100svh, var(--visible-viewport-height));--app-top:0px;--loading-padding-top:clamp(2rem, 14.8vh, 160px);--loading-padding-right:clamp(1.5rem, 4.17vw, 45px);--loading-padding-bottom:clamp(2rem, 8.33vh, 90px);--loading-padding-left:clamp(1.5rem, 4.17vw, 45px);background:#eeeae4;font-family:Pretendard,Noto Sans KR,Apple SD Gothic Neo,system-ui,sans-serif}*{box-sizing:border-box}html,body,#app{min-width:320px;min-height:100%}body{min-height:100vh;margin:0;overflow:hidden}html.unreal-ui-only,html.unreal-ui-only body,html.unreal-ui-only #app,html.unreal-ui-only .manual-home,html.unreal-ui-only .manual-home.is-step-view,html.unreal-ui-only .product-stage{background:0 0!important}html.unreal-ui-only .product-stage:after,html.unreal-ui-only .product-stage__canvas,html.unreal-ui-only .model-status{display:none!important}html.unreal-ui-only .product-stage{touch-action:none}html.unreal-ui-only{--safe-top:var(--native-safe-top,0px);--safe-right:var(--native-safe-right,0px);--safe-bottom:var(--native-safe-bottom,0px);--safe-left:var(--native-safe-left,0px);--app-height:100dvh;--app-top:0px}html.unreal-ui-only .manual-home:not(.is-step-view),html.unreal-ui-only .manual-home:not(.is-step-view) .manual-menu{touch-action:pan-y;-webkit-user-select:none;user-select:none;scrollbar-width:none}html.unreal-ui-only .manual-home:not(.is-step-view) .manual-menu::-webkit-scrollbar{display:none}html.unreal-ui-only button:focus-visible{outline:none}button,a{font:inherit}button{color:inherit}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.manual-home{grid-template-columns:var(--desktop-panel-width) minmax(0, 1fr);width:100%;min-height:100vh;background:var(--stage);min-height:100dvh;display:grid;position:relative;overflow:clip}.portrait-orientation-prompt{display:none}@media (orientation:landscape) and (max-height:600px) and (pointer:coarse){html:not(.unreal-ui-only) .portrait-orientation-prompt{z-index:100;padding:max(2rem, env(safe-area-inset-top,0px)) max(2rem, env(safe-area-inset-right,0px)) max(2rem, env(safe-area-inset-bottom,0px)) max(2rem, env(safe-area-inset-left,0px));color:#f7f8fa;text-align:center;touch-action:none;background:#11151b;place-content:center;justify-items:center;display:grid;position:fixed;inset:0}.portrait-orientation-prompt__icon{fill:none;stroke:currentColor;stroke-width:4px;stroke-linecap:round;stroke-linejoin:round;opacity:.92;width:clamp(72px,14vh,96px);margin-bottom:clamp(1.1rem,4vh,1.8rem)}.portrait-orientation-prompt h1{letter-spacing:-.035em;margin:0;font-size:clamp(1.65rem,5vw,2.2rem);line-height:1.25}.portrait-orientation-prompt p{color:#c9cbd0;margin:1rem 0 0;font-size:clamp(1rem,2.8vw,1.25rem);line-height:1.5}}.manual-menu{z-index:2;min-height:100vh;min-height:100dvh;color:var(--home-ink);background:#fbfaf7f5;flex-direction:column;padding:clamp(2rem,5vh,4rem) clamp(1.75rem,3vw,3.5rem) clamp(1.5rem,4vh,3rem);display:flex;position:relative;overflow-y:auto;box-shadow:8px 0 36px #2f2f2f0d,inset -1px 0 #fffc}.brand{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-end;gap:1rem;padding-bottom:clamp(1.5rem,3vh,2.25rem);display:flex}.brand__name{color:#9f8b78;letter-spacing:.1em;margin:0 0 1.1rem;font-size:.75rem;font-weight:750}.brand h1{letter-spacing:-.055em;margin:0;font-size:clamp(3.25rem,5vw,5rem);font-weight:450;line-height:.9}.brand__subtitle{color:var(--home-muted);text-align:right;margin:0 0 .15rem;font-size:.82rem;font-weight:500;line-height:1.55}.manual-home.is-step-view .brand__subtitle,.mobile-brand,.home-panel-resizer{display:none}@media (min-width:861px){.manual-home:not(.is-step-view) .brand{display:block}.manual-home:not(.is-step-view) .brand__subtitle{text-align:left;white-space:nowrap;margin:.9rem 0 0;font-size:.8rem}.manual-home:not(.is-step-view) .brand__subtitle br{display:none}}.chapters{padding-top:clamp(1.5rem,3.5vh,2.75rem)}.chapters__heading{justify-content:space-between;align-items:flex-end;gap:1rem;margin-bottom:1rem;display:flex}.chapters__eyebrow{color:#9f8b78;letter-spacing:.11em;font-size:.65rem;font-weight:750}.chapters h2{letter-spacing:-.035em;margin:.35rem 0 0;font-size:clamp(1.05rem,1.4vw,1.35rem);font-weight:650}.chapters__count{border:1px solid var(--line);color:var(--home-muted);border-radius:999px;flex:none;padding:.4rem .65rem;font-size:.68rem;font-weight:650}.chapters__list{gap:.55rem;display:grid}.chapter{border:0;border:1px solid var(--line);text-align:left;cursor:pointer;background:#ffffffb8;border-radius:18px;grid-template-columns:3rem minmax(0,1fr) 1.5rem;align-items:center;min-height:clamp(72px,9vh,86px);padding:0 1.15rem;transition:color .18s,background-color .18s,border-radius .18s;display:grid;box-shadow:0 8px 24px #2f2f2f0b,inset 0 1px #ffffffdb}.chapter__number{font-variant-numeric:tabular-nums;font-size:.94rem}.chapter__label{letter-spacing:-.025em;font-size:clamp(.98rem,1.2vw,1.16rem);font-weight:650}.chapter__arrow{opacity:0;place-items:center;transition:opacity .18s,transform .18s;display:grid;transform:translate(-4px)}.chapter__arrow svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px;width:1.25rem}.chapter:hover,.chapter:active{background:var(--primary);color:#fff;border-color:#0000;box-shadow:0 10px 26px #2f2f2f14}.chapter:hover .chapter__arrow,.chapter:active .chapter__arrow{opacity:1;transform:none}.chapter:active{transform:scale(.985)}.utility-links{border-top:1px solid var(--line);margin-top:auto;padding-top:1rem;display:grid}.utility-link{border:0;border-bottom:1px solid var(--line);min-height:54px;color:var(--home-ink);cursor:pointer;background:0 0;align-items:center;gap:1rem;padding:0 .55rem;text-decoration:none;display:flex}.utility-link:hover{color:var(--sage-deep)}.utility-link svg,.settings-button svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.6px;width:1.55rem;height:1.55rem}.utility-link span{font-size:.93rem;font-weight:500}.utility-link__arrow{place-items:center;margin-left:auto;display:grid}.utility-link__arrow svg{width:1rem;height:1rem}.product-stage{width:100%;min-height:100vh;isolation:isolate;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;background:radial-gradient(ellipse 78% 74% at 8% 6%, #fff6ea4d 0%, #fff6ea24 34%, transparent 72%), linear-gradient(to bottom, transparent 58%, #30282247 100%), linear-gradient(145deg, #c1b4a6 0%, var(--stage) 38%, #74675d 100%);min-height:100dvh;position:relative;overflow:hidden}.product-stage:after{content:"";z-index:0;filter:blur(16px);pointer-events:none;background:radial-gradient(#30292357 0 18%,#3029232e 48%,#0000 76%);border-radius:50%;height:6%;position:absolute;bottom:18%;left:18%;right:18%}.product-stage__canvas{z-index:1;cursor:grab;touch-action:none;-webkit-user-drag:none;width:100%;height:100%;display:block;position:absolute;inset:0}.product-stage img{-webkit-user-drag:none;-webkit-user-select:none;user-select:none}.product-stage__canvas:active{cursor:grabbing}.brake-swipe-guide,.basket-swipe-guide,.handle-drag-guide,.assembly-gesture-guide,.handle-click-guide{z-index:3;aspect-ratio:6/5;opacity:0;pointer-events:none;width:clamp(240px,18vw,320px);transition:opacity .18s,transform .18s;position:absolute;top:57%;left:54%;transform:translate(-50%,-50%)scale(.92)}.brake-swipe-guide img,.basket-swipe-guide img,.handle-drag-guide img,.assembly-gesture-guide img,.handle-click-guide img{filter:drop-shadow(0 5px 10px #2f2f2f33);width:100%;height:100%;display:block}.handle-click-guide{top:var(--handle-click-guide-y,50%);left:var(--handle-click-guide-x,50%)}.handle-drag-guide{top:var(--handle-drag-guide-y,50%);left:var(--handle-drag-guide-x,50%);transform:translate(-50%, -50%) rotate(var(--handle-drag-guide-angle,0deg)) scale(.92)}.assembly-gesture-guide{top:var(--assembly-guide-y,50%);left:var(--assembly-guide-x,50%)}.manual-home[data-current-step=assembly-lock-brake] .assembly-gesture-guide{top:calc(var(--assembly-guide-y,50%) + 5%)}.brake-swipe-guide--up{top:50%}.basket-swipe-guide{top:var(--basket-guide-y,50%);left:var(--basket-guide-x,50%)}@media (min-width:861px){.basket-swipe-guide--down{top:calc(var(--basket-guide-y,50%) + 10%)}}.manual-home.is-step-view[data-manual-mode=simulation][data-current-step=brake-lock][data-brake-guide-camera-ready=true][data-simulation-status=ready] .brake-swipe-guide--down,.manual-home.is-step-view[data-manual-mode=simulation][data-current-step=brake-release][data-simulation-status=ready] .brake-swipe-guide--up,.manual-home.is-step-view[data-manual-mode=simulation][data-current-step=basket-vertical][data-simulation-status=ready] .basket-swipe-guide--down,.manual-home.is-step-view[data-manual-mode=simulation][data-current-step=basket-horizontal][data-basket-swipe-phase=rotate][data-simulation-status=ready] .basket-swipe-guide--right,.manual-home.is-step-view[data-manual-mode=simulation][data-current-step=basket-horizontal][data-basket-swipe-phase=lower][data-simulation-status=ready] .basket-swipe-guide--down,.manual-home.is-step-view[data-manual-mode=simulation][data-current-step=handle-press-button][data-handle-guide-camera-ready=true][data-simulation-status=ready]:not([data-hold-active=true]) .handle-click-guide{opacity:1;transform:translate(-50%,-50%)scale(1)}.manual-home.is-step-view[data-manual-mode=simulation][data-current-step=handle-adjust-length][data-handle-guide-camera-ready=true][data-handle-drag-phase=retract][data-simulation-status=ready] .handle-drag-guide--retract,.manual-home.is-step-view[data-manual-mode=simulation][data-current-step=handle-adjust-length][data-handle-guide-camera-ready=true][data-handle-drag-phase=extend][data-simulation-status=ready] .handle-drag-guide--extend{opacity:1;transform:translate(-50%, -50%) rotate(var(--handle-drag-guide-angle,0deg)) scale(1)}.manual-home.is-step-view[data-manual-mode=simulation][data-current-step^=assembly-][data-assembly-guide-camera-ready=true][data-assembly-guide-state=waiting][data-simulation-status=ready] .assembly-gesture-guide{opacity:1;transform:translate(-50%,-50%)scale(1)}.hold-progress{z-index:4;top:var(--hold-progress-y,50%);left:var(--hold-progress-x,50%);opacity:0;pointer-events:none;background:#fbfaf7f0;border:1px solid #e5e0d8e6;border-radius:16px;gap:.55rem;width:min(240px,64vw);padding:.75rem .9rem;transition:opacity .12s;display:grid;position:absolute;transform:translate(-50%,calc(-100% - 28px));box-shadow:0 10px 30px #2f2f2f12}.hold-progress.is-visible{opacity:1}.hold-progress__label{color:var(--ink);text-align:center;font-size:.82rem;font-weight:700}.hold-progress__track{background:#b7a38f2e;border-radius:999px;height:8px;display:block;overflow:hidden}.hold-progress__bar{border-radius:inherit;background:var(--primary);width:0;height:100%;display:block}.settings-button{z-index:3;width:44px;height:44px;color:var(--home-ink);cursor:pointer;background:#fbfaf7eb;border:1px solid #fffc;border-radius:50%;place-items:center;display:grid;position:absolute;top:clamp(1.25rem,4vh,2.75rem);right:clamp(1.25rem,3vw,3rem);box-shadow:0 10px 28px #2f2f2f0e,inset 0 0 0 1px #e5e0d8cc}.chapter:focus-visible,.utility-link:focus-visible,.settings-button:focus-visible{outline-offset:3px;outline:3px solid #c76745a6}.sound-settings[hidden]{display:none}.sound-settings{z-index:20;padding:max(1rem, var(--safe-top)) max(1rem, var(--safe-right)) max(1rem, var(--safe-bottom)) max(1rem, var(--safe-left));-webkit-backdrop-filter:blur(10px);background:#26211d85;place-items:center;display:grid;position:fixed;inset:0}.sound-settings__panel{background:#fbfaf7fa;border:1px solid #ffffffc7;border-radius:28px;width:min(520px,100%);max-height:100%;padding:clamp(1.5rem,5vw,2.5rem);overflow-y:auto;box-shadow:0 30px 80px #26211d47,inset 0 1px #ffffffe6}.sound-settings__header,.sound-control__heading{justify-content:space-between;align-items:center;gap:1rem;display:flex}.sound-settings__eyebrow{color:var(--sage-deep);letter-spacing:.14em;margin:0 0 .35rem;font-size:.65rem;font-weight:800}.sound-settings h2{color:var(--ink);letter-spacing:-.045em;margin:0;font-size:clamp(1.7rem,5vw,2.2rem)}.sound-settings__close{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:50%;flex:none;place-items:center;width:52px;height:52px;display:grid}.sound-settings__close svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;width:25px}.sound-settings__controls{gap:clamp(1.65rem,4vh,2.15rem);margin-top:clamp(2rem,5vh,2.75rem);display:grid}.sound-control{gap:.85rem;display:grid}.sound-control__heading label{color:var(--ink);font-size:1rem;font-weight:750}.sound-control__value{color:var(--sage-deep);font-variant-numeric:tabular-nums;font-size:1rem;font-weight:800}.sound-control__range{cursor:pointer;appearance:none;background:0 0;border:0;width:100%;height:28px;margin:0}.sound-control__range::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--primary) var(--range-progress), #ddd7cf var(--range-progress));border-radius:999px;height:8px}.sound-control__range::-moz-range-track{background:#ddd7cf;border-radius:999px;height:8px}.sound-control__range::-moz-range-progress{background:var(--primary);border-radius:999px;height:8px}.sound-control__range::-webkit-slider-thumb{background:var(--primary);appearance:none;border:3px solid #fff;border-radius:50%;width:25px;height:25px;margin-top:-8.5px;box-shadow:0 3px 12px #4a3d334d}.sound-control__range::-moz-range-thumb{background:var(--primary);border:3px solid #fff;border-radius:50%;width:21px;height:21px;box-shadow:0 3px 12px #4a3d334d}.sound-settings__notice{color:var(--muted);margin:1.6rem 0 1.35rem;font-size:.82rem;line-height:1.55}.sound-settings__reset{border:1px solid var(--primary);background:var(--primary);width:100%;min-height:54px;color:var(--primary-ink);cursor:pointer;border-radius:999px;font-weight:750}.sound-settings__close:focus-visible,.sound-settings__reset:focus-visible,.sound-control__range:focus-visible{outline-offset:3px;outline:3px solid #7e756ac7}.sound-settings__close:active,.sound-settings__reset:active{transform:scale(.98)}@media (max-width:480px){.sound-settings{align-items:end;padding:0}.sound-settings__panel{width:100%;max-height:calc(100dvh - var(--safe-top));padding:1.4rem max(1.2rem, var(--safe-right)) max(1.3rem, var(--safe-bottom)) max(1.2rem, var(--safe-left));border:0;border-radius:28px 28px 0 0}.sound-settings__controls{gap:1.3rem;margin-top:1.7rem}.sound-settings__close{width:48px;height:48px}}.overlay-surface{border:1px solid var(--line);background:var(--surface);color:var(--ink);-webkit-backdrop-filter:blur(18px)saturate(125%);box-shadow:0 18px 48px #2f2f2f12,inset 0 1px #ffffffdb}.manual-header{z-index:3;top:calc(var(--safe-top) + .75rem);right:calc(var(--safe-right) + var(--page-gutter));left:calc(var(--safe-left) + var(--page-gutter));min-height:58px;box-shadow:none;-webkit-backdrop-filter:none;background:0 0;border:0;border-radius:18px;justify-content:space-between;align-items:center;gap:.5rem;padding:.45rem;display:flex;position:absolute}.mode-switch{background:#f8f6f2e6;border:1px solid #ffffffc7;border-radius:17px;flex:1;align-items:center;min-width:0;min-height:44px;padding:.2rem;display:flex;box-shadow:0 12px 32px #2f2f2f0e,inset 0 0 0 1px #e5e0d8bf}.mode-switch__button{min-width:0;min-height:38px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:11px;flex:1;padding:.4rem .5rem;font-size:.78rem;font-weight:700;transition:background-color .16s,color .16s,box-shadow .16s}.mode-switch__button.is-active{background:var(--primary);color:var(--primary-ink);box-shadow:0 6px 16px #4b3b3233}.simulation-input-switch{background:#f8f6f2eb;border:1px solid #ffffffc7;border-radius:14px;min-height:38px;padding:.18rem;display:none;position:absolute;top:calc(100% + .35rem);left:.45rem;box-shadow:0 10px 28px #2f2f2f12,inset 0 0 0 1px #e5e0d8bf}.manual-home.is-step-view[data-manual-mode=simulation] .simulation-input-switch{display:flex}.simulation-input-switch__button{min-height:32px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:10px;padding:.35rem .75rem;font-size:.72rem;font-weight:700}.simulation-input-switch__button.is-active{background:var(--primary);color:var(--primary-ink);box-shadow:0 4px 12px #4b3b322e}.manual-home[data-simulation-input-mode=camera] .brake-swipe-guide,.manual-home[data-simulation-input-mode=camera] .basket-swipe-guide,.manual-home[data-simulation-input-mode=camera] .handle-drag-guide,.manual-home[data-simulation-input-mode=camera] .assembly-gesture-guide,.manual-home[data-simulation-input-mode=camera] .handle-click-guide,.manual-home[data-simulation-input-mode=camera] .hold-progress{display:none!important}@media (max-width:860px){.simulation-input-switch{left:calc(50vw - var(--safe-left) - .25rem);width:max-content;transform:translate(-50%)}}@media (hover:hover){.mode-switch__button:not(.is-active):hover{color:var(--ink);background:#b29e8a29}}.icon-button,.step-number{cursor:pointer;-webkit-tap-highlight-color:transparent;border:0}.icon-button{background:#fbfaf7eb;border:1px solid #fffc;border-radius:50%;flex:none;place-items:center;width:44px;height:44px;display:grid;box-shadow:0 10px 28px #2f2f2f0e,inset 0 0 0 1px #e5e0d8cc}.icon-button svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px;width:1.35rem;height:1.35rem}.step-overlay{z-index:3;right:calc(var(--safe-right) + var(--page-gutter));bottom:calc(var(--safe-bottom) + 4.75rem);left:calc(var(--safe-left) + var(--page-gutter));box-shadow:none;-webkit-backdrop-filter:none;background:0 0;border:0;border-radius:22px;padding:1rem 0 .75rem;position:absolute}.step-overlay__copy{isolation:isolate;padding:.8rem 1rem;position:relative}.step-overlay__copy:before{content:"";z-index:-1;pointer-events:none;background:#0c0b0a47;border-radius:14px;width:100%;position:absolute;top:0;bottom:0;left:0}.step-overlay h1{color:#fff;letter-spacing:-.045em;overflow-wrap:anywhere;word-break:keep-all;-webkit-text-stroke:.65px #141210b3;paint-order:stroke fill;text-shadow:0 2px 5px #1412107a;margin:0;font-size:clamp(1.35rem,6vw,1.7rem);font-weight:680;line-height:1.18}.step-overlay p{color:#fff;letter-spacing:-.015em;overflow-wrap:anywhere;white-space:normal;word-break:keep-all;-webkit-text-stroke:.35px #141210ad;paint-order:stroke fill;text-shadow:0 1px 4px #14121080;margin:.45rem 0 0;font-size:.86rem;line-height:1.55}.step-tools{box-shadow:none;background:0 0;border:0;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;margin-top:.6rem;padding-top:.5rem;display:grid}.step-tool{color:#fff;cursor:pointer;min-width:0;min-height:44px;text-shadow:none;background:#ffffff09;border:1px solid #ffffffc2;border-radius:999px;justify-content:center;align-items:center;gap:.4rem;padding:.4rem .65rem;font-size:.67rem;font-weight:650;transition:background-color .16s,border-color .16s,color .16s,transform .16s;display:flex}.step-tool svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px;filter:none;flex:none;width:1.15rem;height:1.15rem}.audio-guide-button__off-mark{opacity:0;stroke-width:2.2px}.audio-guide-button__status{font:inherit}.audio-guide-button[aria-pressed=false] .audio-guide-button__off-mark{opacity:1}.step-tool.is-active{color:#171614;box-shadow:none;text-shadow:none;background:#fff;border-color:#fff}.step-tool.is-active 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4.75rem);width:var(--step-mobile-ui-width);box-shadow:none;-webkit-backdrop-filter:none;background:0 0;border:0;border-radius:22px;padding:1rem 0 .75rem;left:50%;transform:translate(-50%)}.manual-home.is-step-view .step-overlay__copy{isolation:isolate;padding:.8rem 1rem}.manual-home.is-step-view .step-overlay__copy:before{content:"";z-index:-1;background:#0c0b0a47;border-radius:14px;width:100%;position:absolute;inset:0}.manual-home.is-step-view .step-overlay__eyebrow{display:none}.manual-home.is-step-view .step-overlay h1{color:#fff;-webkit-text-stroke:.65px #141210b3;text-shadow:0 2px 5px #1412107a;font-size:clamp(1.35rem,6vw,1.7rem)}.manual-home.is-step-view .step-overlay p{color:#fff;-webkit-text-stroke:.35px #141210ad;text-shadow:0 1px 4px #14121080;margin-top:.45rem;font-size:.86rem;line-height:1.55}.manual-home.is-step-view .step-tools{box-shadow:none;background:0 0;border:0;border-radius:0;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;margin-top:.6rem;padding:.5rem 0 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