/* One task at a time: scrolling activity, always-reachable actions. */
.learning-screen{position:absolute;inset:0;z-index:260;display:grid;grid-template-rows:52px minmax(0,1fr) auto;background:#f4efde;overflow:hidden;--chapter:#477565}
.learning-screen *{min-width:0}.learn-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:2px max(12px,env(safe-area-inset-right)) 2px max(12px,env(safe-area-inset-left));background:#fffaf0;border-bottom:1px solid #dbe0cc;z-index:2}.learn-location{font-size:.875rem;color:var(--muted);text-align:center}.learn-header .plain-icon{flex:none;width:44px;height:44px}.learn-body{overflow-y:auto;overflow-x:hidden;min-height:0;overscroll-behavior:contain;scrollbar-color:#bcc8ac transparent;background:radial-gradient(circle at 12% 9%,#e5eaca 0,transparent 35%),radial-gradient(circle at 90% 75%,#eddbbf 0,transparent 40%)}.learn-content{width:min(100%,740px);margin:0 auto;padding:22px 24px 28px}.learn-heading{margin-bottom:16px}.learn-kicker{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--chapter);font-size:.6875rem;letter-spacing:.12em;font-weight:800;text-transform:uppercase;min-height:32px}.learn-kicker .plain-icon{height:36px;width:36px;flex:none}.learn-heading h1{font:600 clamp(1.5rem,3.6vw,2.375rem)/1.12 Fraunces,Georgia,serif;margin:3px 0 8px}.learn-heading>p{font-size:1rem;line-height:1.4;color:var(--muted);max-width:610px}.lesson-dots{display:flex;gap:6px;align-items:center;margin-top:13px}.lesson-dots>span{width:22px;height:6px;border-radius:8px;background:#d5d9c5;font-size:0}.lesson-dots>span.current{background:var(--gold)}.lesson-dots>span.done{background:var(--chapter)}.lesson-dots small{color:var(--muted);font-size:.75rem;margin-left:4px}#learn-activity{background:#fffbef;border:1px solid #e1dfc9;border-radius:22px;padding:22px;box-shadow:0 5px 17px #4a513509;min-width:0}#learn-activity h2{font-size:1.5rem;line-height:1.2}#learn-activity h3{font-size:1.15rem}.learn-footer{position:relative;background:#fffaf0;padding:8px max(16px,env(safe-area-inset-right)) max(9px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));box-shadow:0 -3px 15px #3556460c;border-top:1px solid #d7ddc8;z-index:3}.learn-footer-row{display:flex;align-items:center;gap:10px;max-width:692px;margin:auto}.learn-help{display:flex;gap:6px;align-items:center;justify-content:center;min-height:48px;min-width:48px;color:var(--muted);font-weight:800;flex:none}.learn-help span{font-size:.875rem;font-weight:600}#learn-actions{display:flex;gap:8px;flex:1;justify-content:flex-end}#learn-actions>button{flex:1;min-height:48px;padding:10px 15px;font-size:1rem;line-height:1.2;border-radius:13px}#learn-feedback{max-width:692px;margin:0 auto 7px;font-size:.875rem;line-height:1.3;color:#476355;max-height:4.1em;overflow-y:auto}#learn-feedback:empty{display:none}#learn-feedback.needs-thought{color:#995339}.learn-hint{margin-top:13px;background:#e6ecd5;border:1px solid #c6d5b6;border-radius:14px;padding:14px;font-size:.9375rem;line-height:1.4}.model-label{font-size:.6875rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);font-weight:800;display:block;line-height:1.4}.activity-caption{font-size:.8125rem!important;line-height:1.45!important;color:var(--muted);margin-top:14px!important}.reason-note{padding:12px 14px;border-radius:12px;background:#e9efd9;line-height:1.4;font-size:.9375rem;margin-top:14px}.answer-options{display:grid;grid-template-columns:minmax(0,1fr);gap:9px;margin-top:16px}.answer-options button,.sequence-options button{border:1px solid #cbd7c0;background:#f2f3e3;border-radius:12px;min-height:48px;padding:12px 15px;font-weight:800;font-size:.9375rem;line-height:1.25}.answer-options.option-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.answer-options.three-options{grid-template-columns:repeat(3,minmax(0,1fr))}.answer-options button.selected,.answer-options button.correct,.sample-tabs button.selected{background:#dceaca;border:2px solid #477763;padding:11px 14px}.answer-options button.correct:disabled{opacity:1}.question-count{font-size:.75rem;color:var(--muted);margin-top:21px}.saved-note{text-align:center;font-size:.75rem;color:var(--muted);margin-top:18px}.learn-content .source-link{font-size:.875rem;min-height:44px;margin-top:5px}
/* Chapter covers and the journal. */
.chapter-cover{text-align:center;padding:0 6px 4px}.chapter-cover-art{width:170px;height:148px;margin:0 auto 20px;position:relative;display:grid;place-items:center;isolation:isolate}.chapter-cover-art:before{content:'';position:absolute;inset:10px 20px;background:var(--chapter);opacity:.12;border-radius:49% 42% 46% 54%;transform:rotate(-10deg)}.chapter-cover-art>.icon{width:68px;height:68px;stroke-width:1;color:var(--chapter)}.chapter-number{position:absolute;right:5px;bottom:6px;font:600 2.75rem Fraunces;color:var(--chapter);opacity:.45}.chapter-orbit{position:absolute;border:1px solid #b9c5a4;border-radius:50%;z-index:-1}.orbit-one{width:140px;height:130px;transform:rotate(28deg)}.orbit-two{width:122px;height:153px;transform:rotate(-28deg)}.chapter-cover .eyebrow{font-size:.625rem}.chapter-cover h2{max-width:480px;margin:10px auto 15px;font-size:1.9rem!important}.chapter-cover>p:not(.eyebrow){max-width:490px;margin:auto;color:var(--muted);line-height:1.5}.chapter-reward{background:#e9edda;display:flex;align-items:center;justify-content:center;gap:9px;padding:12px;border-radius:12px;margin:18px 0 13px;font-size:.875rem}.chapter-reward .icon{width:20px;height:20px;flex:none}.chapter-cover>small{font-size:.75rem;color:var(--muted)}.learning-total{display:flex;align-items:center;gap:18px;padding-bottom:22px;border-bottom:1px solid #dbe0cd}.learning-total>strong{font:600 3.25rem Fraunces}.learning-total strong small{font-size:1.4rem;color:var(--muted)}.learning-total>span{font-size:.9375rem;line-height:1.45;color:var(--muted)}.resume-lesson{width:100%;position:relative;background:var(--ink);color:var(--cream);border-radius:14px;padding:16px 45px 16px 16px;text-align:left;margin:19px 0}.resume-lesson span{display:block;font-size:.625rem;letter-spacing:.1em;margin-bottom:6px;opacity:.8}.resume-lesson strong{font:600 1.3rem Fraunces}.resume-lesson>b{position:absolute;right:17px;top:28px;font-size:1.4rem}.chapter-list{margin-top:8px}.chapter-entry{border-bottom:1px solid #dce2cc;padding:6px 0}.chapter-entry>summary{display:flex;gap:12px;align-items:center;list-style:none;cursor:pointer;padding:12px 0;min-height:68px}.chapter-entry>summary::-webkit-details-marker{display:none}.chapter-entry summary>span:nth-child(2){flex:1}.chapter-entry summary strong{display:block;font:600 1.2rem Fraunces}.chapter-entry summary small{display:block;font-size:.75rem;color:var(--muted);margin-top:4px}.chapter-token{display:grid;place-items:center;background:var(--chapter);color:#fffaf0;width:40px;height:45px;border-radius:12px;flex:none;font-weight:800}.chapter-entry.locked .chapter-token{background:#d6ddc8;color:#63816b}.chapter-entry.locked summary strong{color:#607365}.chapter-question{font-size:.875rem;color:var(--muted);padding:0 0 9px 52px}.lesson-entry{display:flex;width:100%;gap:9px;align-items:center;text-align:left;min-height:48px;padding:9px 10px 9px 16px;margin:3px 0;background:#f0f2e2;border-radius:10px}.lesson-entry>span{width:24px;flex:none}.lesson-entry strong{font-size:.875rem;flex:1}.lesson-entry small{font-size:.6875rem;flex:none}.lesson-entry:disabled{background:transparent;opacity:.6}.journal-download{width:100%;margin-top:20px}.discovery-seal{display:grid;place-items:center;width:82px;height:82px;background:#e4ecd2;border:1px solid #bfd1ae;border-radius:50%;margin:0 auto 16px}.discovery-seal .icon{width:36px;height:36px}.learning-result{text-align:center}.learning-result .eyebrow{font-size:.625rem}.learning-result h2{margin:9px 0 16px}.result-insight{font-size:1.075rem;line-height:1.5;color:#385e51}.evidence-slip{margin:19px 0 0;background:#f0e7ce;border-left:3px solid var(--gold);padding:15px 18px;text-align:left;border-radius:2px 12px 12px 2px}.evidence-slip>span{font-size:.625rem;letter-spacing:.1em;font-weight:800;color:#8a7144}.evidence-slip p{font-size:.9375rem;line-height:1.45;margin-top:7px}.final-note{margin:16px 0;line-height:1.4}.learning-world-marker{position:absolute;display:flex;align-items:center;gap:8px;padding:9px 12px;background:#fff8e9f2;border:2px solid var(--chapter);box-shadow:0 6px 16px #143c3822;border-radius:13px;font-size:15px;transform:translate(-50%,-100%);max-width:230px;line-height:1.15}.learning-world-marker .icon{color:var(--chapter)}.learning-teaser{background:#e7edd7;border-radius:15px;padding:18px;margin:20px 0}.learning-teaser h3{font-size:1.35rem;margin:7px 0}.learning-teaser p{font-size:.9375rem;margin:7px 0 14px}.learning-teaser .primary{width:100%;font-size:.9375rem;white-space:normal}
/* Surveys, classification and evidence. */
.sample-title{display:flex;justify-content:space-between;gap:10px;font-size:.9375rem;margin-bottom:12px}.sample-title>span{font-size:.75rem;color:var(--muted)}.survey-scene{border-radius:17px;overflow:hidden;padding:15px;background:linear-gradient(#e5deb950,#d5cb9c40),url('assets/world.webp') 40% 65%/210%;border:1px solid #c8c5a2}.survey-scene[data-site="1"]{background-position:15% 40%}.survey-scene[data-site="2"]{background-position:90% 70%}.survey-scene>.model-label{background:#fff9e9e8;padding:7px 9px;border-radius:8px;display:table}.survey-finds{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px 5px;padding:17px 3px}.survey-finds>button{height:75px;max-width:84px;width:100%;position:relative;padding:3px;border-radius:50%;border:2px solid transparent;background:#fff5d428;filter:drop-shadow(2px 3px 3px #453b3330)}.survey-finds>button:nth-child(even){transform:translateY(8px) rotate(6deg)}.survey-finds>button.observed{border:2px solid #fffae3;background:#e5eed2a1}.survey-finds b{position:absolute;bottom:-2px;right:-2px;background:var(--ink);color:white;width:22px;height:22px;border-radius:50%;font-size:14px}.survey-finds b:empty{display:none}.survey-tally{display:flex;justify-content:center;gap:9px;align-items:center;background:#fff8e7ee;border-radius:11px;padding:8px}.survey-tally strong{font:600 1.8rem Fraunces}.survey-tally span{font-size:.8125rem}.research-item{width:120px;height:120px;margin:15px auto 12px;filter:drop-shadow(4px 7px 4px #534a2925)}.sort-investigation{text-align:center}.sort-investigation h2{max-width:440px;margin:auto}.evidence-chart{background:#f2eddb;border-radius:14px;padding:17px}.evidence-chart>.model-label{margin-bottom:14px}.evidence-bar{display:grid;grid-template-columns:104px minmax(0,1fr) 27px;gap:9px;align-items:center;margin:15px 0;font-size:.875rem}.evidence-bar>div{height:25px;border-radius:5px;background:#e0e2cb;overflow:hidden}.evidence-bar i{height:100%;display:block;border-radius:5px;background:var(--chapter);min-width:0}.evidence-bar:nth-of-type(even) i{background:#d29b4d}.evidence-bar strong{text-align:right;font-size:1.1rem}.number-question{margin-top:10px}.number-question>label{display:block;font:600 1.25rem/1.3 Fraunces;margin-bottom:17px}.number-entry{display:flex;justify-content:center;align-items:center;gap:12px}.number-entry input{width:94px;text-align:center;border:2px solid #a9c0a8;border-radius:12px;background:white;font:800 1.8rem Nunito;color:var(--ink);height:60px}.number-entry button{width:50px;height:50px;flex:none;border:1px solid #bdcdb5;border-radius:50%;background:#e9efd9;font-size:1.7rem}.flow-picture{width:100%;height:auto;display:block;margin-bottom:17px}.flow-lab>h3{text-align:center}.flow-current.running{animation:river-travel 1.7s linear infinite}@keyframes river-travel{to{stroke-dashoffset:-100}}.trial-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;font-size:.75rem}.trial-strip>span{background:#eff0df;border-radius:8px;padding:8px 10px;flex:1;min-width:85px;text-align:center}.trial-strip b{display:block;margin-top:3px;font-size:.875rem}.plan-ledger{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 17px;background:#e9eedb;border-radius:13px;margin-bottom:14px}.plan-ledger strong,.plan-ledger>span{font-size:1.4rem;font-weight:800}.plan-ledger small{display:block;font-size:.6875rem;font-weight:600;color:var(--muted);margin-top:3px}.community-voices{margin:14px 0 18px}.community-voices p{display:flex;gap:8px;padding:7px 0;font-size:.875rem;line-height:1.3}.community-voices p>span{width:20px;flex:none;font-size:1rem}.community-voices p.met{color:#3f7759}.planning-options{display:grid;gap:9px;margin-top:10px}.planning-option{display:grid;grid-template-columns:27px minmax(0,1fr) 41px;gap:9px;text-align:left;align-items:center;border:1px solid #d6d9c3;background:#faf7e9;border-radius:13px;padding:13px 12px}.planning-option.selected{background:#e3edcf;border:2px solid #5e8269;padding:12px 11px}.option-check{display:grid;place-items:center;border:1px solid #aec2a1;width:26px;height:26px;border-radius:50%;font-size:1.1rem}.planning-option strong{display:block;font-size:.9375rem;margin-bottom:5px}.planning-option small{display:block;font-size:.8125rem;line-height:1.3;color:var(--muted)}.planning-option>b{text-align:center;font-size:1.25rem}.planning-option>b>small{font-size:.625rem;margin-top:3px}
/* The workshop investigations. */
.commission-brief{text-align:center}.commission-portrait{width:100px;height:114px;margin:0 auto 12px}.commission-brief .eyebrow{font-size:.625rem}.commission-brief h2{margin:8px auto 11px}.commission-brief>p{font-size:1rem;line-height:1.45;color:var(--muted)}.commission-brief canvas{display:block;width:155px;height:177px;max-width:100%;margin:5px auto 2px}.commission-brief>small{display:block;font-size:.75rem;color:var(--muted);line-height:1.4;margin:14px 0 0}.sample-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.sample-tabs button{min-height:57px;padding:10px 7px;border:1px solid #cbd4bb;border-radius:12px;background:#f0f1df;font-size:.875rem;font-weight:800;line-height:1.2}.sample-tabs button.selected{padding:9px 6px}.sample-tabs span{display:block;font-size:.625rem;font-weight:600;margin-top:5px}.material-stage{text-align:center;padding:7px 0 8px}.material-stage p{font-size:1rem;color:var(--muted);margin-top:9px;min-height:1.5em}.material-stage .research-item{transition:transform .3s}.bend-sample{transform:skew(-14deg) scaleX(.84)}.wet-sample{border-radius:50%;background:radial-gradient(#c8e4ed90,transparent 70%)}.pull-sample{transform:scaleX(1.15)}.observation-notes{margin-top:18px}.observation-notes summary{cursor:pointer;padding:9px 0;font-size:.875rem}.observation-notes table,.trial-table{width:100%;border-collapse:collapse;font-size:.8125rem;line-height:1.3;margin-top:10px}.observation-notes th,.observation-notes td,.trial-table th,.trial-table td{padding:10px 7px;border-bottom:1px solid #d5ddc4;text-align:left;overflow-wrap:anywhere}.observation-notes thead,.trial-table thead{background:#eaf0db}.trial-table td:not(:first-child),.trial-table th:not(:first-child){text-align:center}.trial-table caption{font-size:.6875rem;text-align:left;color:var(--muted);margin:5px 0 9px}.sequence-path{display:grid;gap:7px}.sequence-slot{display:flex;gap:12px;align-items:center;padding:11px 13px;min-height:46px;border:1px dashed #cdd4ba;border-radius:11px;color:#819077;font-size:.875rem}.sequence-slot>b{display:grid;place-items:center;background:#e3e8d2;border-radius:50%;width:24px;height:24px;flex:none;font-size:.75rem}.sequence-slot.filled{background:#e8efda;border-style:solid;color:var(--ink)}.sequence-slot.current{border-color:#b58d40;background:#f7edcc;color:#836b31}.sequence-options{display:flex;flex-direction:column;gap:8px;margin-top:17px}.sequence-options button{text-align:left;font-weight:600}.experiment-question{font:600 1.4rem/1.3 Fraunces;text-align:center}.test-samples{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin:21px 0;text-align:center}.test-samples>div{background:#ebe8d4;border-radius:13px;padding:15px}.test-samples strong,.test-samples small{display:block;margin-top:8px}.test-samples small{font-size:.75rem;color:var(--muted)}.test-strip{display:block;margin:0 auto;height:85px;width:21px;background:repeating-linear-gradient(90deg,#368fc0 0 4px,#49a7d3 4px 7px);border:1px solid #357cb0;box-shadow:3px 5px 4px #47717230;transform:rotate(4deg)}.test-strip.wide{width:54px;transform:rotate(-4deg)}.test-strip.card{background:#b99566;border-color:#8d765a}.experiment-controls .model-label:not(:first-child){margin-top:18px}.experiment-controls .answer-options{margin-top:8px}.conclusion-prompt{font:600 1.15rem/1.3 Fraunces;margin-top:20px}.fraction-sheets{display:grid;gap:20px}.fraction-sheet>span{display:block;font-size:.75rem;margin-bottom:8px}.sheet-parts{display:grid;grid-template-columns:repeat(var(--parts),1fr);height:100px;position:relative;border-radius:9px;background:#70a4c1;border:2px solid #598eb0;overflow:visible}.sheet-parts>i{background:linear-gradient(110deg,#5296c4,#87bedc 70%,#68a5ca);border-right:1px solid #7facca}.fraction-cut{position:absolute;top:0;bottom:0;transform:translateX(-50%);width:44px;border-left:2px dashed #fff9e2;color:#244e52;font-size:19px;display:grid;place-items:center;z-index:1;text-shadow:0 1px white}.fraction-cut.cut{border-left:3px solid #fcf3df;color:#fff9e9;background:#447b7340}.fraction-cut.cut:after{content:'';position:absolute;left:calc(50% - 2px);top:0;bottom:0;background:#fff9e9;width:4px;z-index:-1}.pattern-caption{display:flex;justify-content:space-between;gap:7px;margin-bottom:15px;font-size:.9375rem}.pattern-caption span{font-size:.75rem;color:var(--muted)}.pattern-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:3px;border:12px solid #bd915a;border-radius:10px;background:#e5d3a9;box-shadow:0 5px 0 #987444;max-width:430px;margin:auto;aspect-ratio:1.2}.pattern-cell{position:relative;display:grid;place-items:center;font-weight:800;font-size:1.1rem;isolation:isolate;background:linear-gradient(90deg,transparent 29%,#e7c98e 29% 43%,#f8dfa3 43% 63%,#dabb7a 63% 71%,transparent 71%)}.pattern-cell:before{content:'';position:absolute;left:0;right:0;top:23%;bottom:23%;background:var(--weft);box-shadow:inset 0 2px #ffffff33,inset 0 -3px #00000018;z-index:-1}.pattern-cell.cross-under{background:linear-gradient(90deg,transparent 29%,#e7c98e 29% 43%,#f8dfa3 43% 63%,#dabb7a 63% 71%,transparent 71%)}.pattern-cell.cross-over{background:linear-gradient(0deg,transparent 23%,var(--weft) 23% 77%,transparent 77%),linear-gradient(90deg,transparent 29%,#edcf8e 29% 71%,transparent 71%)}.pattern-cell.missing{background:#fff7e0;border:1px dashed #beab7f;border-radius:5px;color:#8a7b55}.pattern-cell.missing:before{display:none}.pattern-cell.target{background:#ffedaf;border:2px solid #826923;box-shadow:0 0 0 2px #f7e4a5}.pattern-cell.mended{outline:1px solid #659c7170;outline-offset:-1px}.weave-key{display:flex;justify-content:center;gap:15px;margin-top:16px;flex-wrap:wrap;font-size:.75rem;color:var(--muted)}.weave-key>span{display:flex;align-items:center;gap:6px}.weave-key i{height:20px;width:20px;display:block;background:linear-gradient(0deg,transparent 25%,#5479a7 25% 75%,transparent 75%),linear-gradient(90deg,transparent 25%,#e7c88f 25% 75%,transparent 75%)}.weave-key i.key-under{background:linear-gradient(90deg,transparent 25%,#e7c88f 25% 75%,transparent 75%),linear-gradient(0deg,transparent 25%,#5479a7 25% 75%,transparent 75%)}.colour-research{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.colour-rows{display:grid;gap:5px}.colour-rows>button{height:46px;background:var(--row);display:grid;grid-template-columns:20px 1fr 20px;align-items:center;text-align:center;color:white;border:3px solid #fff9e9;border-radius:8px;font-size:.75rem;text-shadow:0 1px 3px #173f4080;box-shadow:inset 0 2px #ffffff25,inset 0 -2px #173f4020}.colour-rows>button:disabled{opacity:1}.colour-rows>button.selected{border-color:#d3a53b;outline:2px solid #9a793a}.colour-rows b{font-weight:600}.colour-rows>button:nth-child(3){margin-bottom:8px}.learning-palette{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}.learning-palette button{min-height:65px;text-align:center;padding:5px 0}.learning-palette i{display:block;height:34px;width:34px;border-radius:50%;background:var(--thread);margin:0 auto 5px;border:3px solid white;box-shadow:0 0 0 1px #bac8aa}.learning-palette small{font-size:.625rem}.colour-counts{display:flex;flex-wrap:wrap;gap:6px;margin-top:15px}.colour-counts>span{background:#e9efda;padding:7px 8px;border-radius:8px;font-size:.75rem}.colour-counts b{margin-left:5px}.mirror-note{padding:13px;background:#e8e9d3;font-size:.8125rem;border-radius:10px;margin-top:16px}
/* Decisions, people and systems. */
.listening-card{text-align:center}.listening-portrait{width:110px;height:138px;margin:0 auto 10px}.listening-card h2{margin-top:6px}.listening-card blockquote{font:600 1.35rem/1.4 Fraunces;margin:18px auto;max-width:440px}.budget-total{display:flex;gap:15px;align-items:center;background:#f0e7c9;padding:18px;border-radius:14px;margin-bottom:17px}.budget-total>strong{font:600 3rem Fraunces;line-height:1}.budget-total>span{font-weight:800}.budget-total small{display:block;font-size:.75rem;font-weight:600;color:#786f4a;margin-top:4px}.budget-pots{display:grid;gap:11px}.budget-pots>article{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;align-items:center;border:1px solid #d4ddc4;padding:14px;border-radius:13px;background:#f4f5e6}.budget-pots h3{font-size:1.15rem!important}.budget-pots p{font-size:.75rem;color:var(--muted);margin-top:6px}.budget-stepper{display:flex;align-items:center;gap:6px}.budget-stepper 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