@font-face{font-family:Editorial;src:url('assets/editorial-serif.woff') format('woff');font-style:normal;font-weight:200 900;font-display:swap}@font-face{font-family:ArchiveMono;src:url('assets/archive-mono.woff') format('woff');font-style:normal;font-weight:400;font-display:swap}
:root{--paper:#f3efe4;--sheet:#faf7ef;--ink:#25261f;--muted:#6b6c60;--line:#cfcec0;--orange:#be402c;--green:#365547;--wash:#e7e8dc;--serif:Editorial,'Songti SC','Noto Serif CJK SC',serif;--sans:'PingFang SC','Microsoft YaHei',system-ui,sans-serif;--mono:ArchiveMono,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}body:before{content:'';position:fixed;inset:0;z-index:10;pointer-events:none;opacity:.045;background:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' opacity='.6' filter='url(%23n)'/%3E%3C/svg%3E")}::selection{color:var(--sheet);background:var(--orange)}button,input{font:inherit}button{cursor:pointer;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:5px}button:disabled{cursor:not-allowed;opacity:.45}.skip-link{position:fixed;left:15px;top:-70px;padding:12px 20px;background:var(--ink);color:white;z-index:100}.skip-link:focus{top:10px}.reading-line{height:3px;position:fixed;top:0;left:0;background:var(--orange);width:var(--scroll,0%);z-index:50}.site-header{position:relative;z-index:5;margin:0 auto;max-width:1600px;padding:23px 4.5vw 21px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--ink)}.brand{display:flex;gap:12px;align-items:center;font-size:19px;font-weight:800;letter-spacing:1.4px;background:none;border:0;padding:0;text-align:left;white-space:nowrap}.brand small{display:block;font:8px var(--mono);letter-spacing:1.4px;margin-top:6px}.mark{display:grid;place-items:center;width:43px;height:43px;background:var(--orange);color:var(--paper);font:38px Georgia;transform:rotate(-7deg);transition:transform .4s}.brand:hover .mark{transform:rotate(0)}.edition{font-size:11px;letter-spacing:2px;color:var(--muted)}.header-tools{display:flex;align-items:center;gap:24px}.issue{font:9px var(--mono);letter-spacing:.6px}.motion-btn{background:transparent;border:0;padding:8px 0;display:flex;gap:7px;align-items:center;color:var(--muted);font-size:10px}.motion-icon{font:13px var(--mono)}main{max-width:1460px;margin:auto;padding:0 5vw}footer{margin-top:70px;border-top:1px solid var(--ink);padding:35px 5vw;display:flex;justify-content:space-between;gap:25px;align-items:center}.footer-brand{display:flex;align-items:center;gap:16px;font-family:var(--serif);font-size:18px;font-weight:650}.footer-brand>span{font:48px Georgia;color:var(--orange)}.footer-brand small{display:block;font:8px var(--mono);letter-spacing:1px;margin-top:8px}.footer-notes{font-size:10px;line-height:2;color:var(--muted)}.footer-edition{font:9px/2 var(--mono);text-align:right;color:var(--muted)}.eyebrow{font:10px/1.7 var(--mono);color:var(--orange);letter-spacing:2px;display:flex;align-items:center;gap:10px}.eyebrow:before{content:'';width:18px;height:1px;background:currentColor}.hero{display:grid;grid-template-columns:.94fr 1.16fr;gap:0;position:relative;align-items:center;padding:65px 0 55px;min-height:620px}.hero-copy{position:relative;z-index:2}.hero h1{font-family:var(--serif);font-size:clamp(64px,6.5vw,97px);line-height:1.18;letter-spacing:-4px;font-weight:800;margin:24px 0 22px}.title-line{display:block;overflow:visible}.hero h1 .ink-red{color:var(--orange);position:relative;display:inline-block}.title-question{font-family:var(--serif);font-weight:400;color:var(--orange);margin-left:-5px}.hero h1 .ink-red:after{content:'';position:absolute;left:0;right:0;height:7px;border-top:2px solid var(--orange);border-bottom:1px solid var(--orange);bottom:-7px;transform:rotate(-3deg);animation:underline .9s .55s both;transform-origin:left}.hero-deck{max-width:370px;line-height:1.95;font-size:14px;color:var(--muted);margin:27px 0 26px}.hero-deck strong{color:var(--ink);font-weight:500}.hero-actions{display:flex;align-items:center;gap:22px}.primary{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:space-between;gap:32px;padding:17px 24px;border:1px solid var(--ink);background:var(--ink);color:var(--sheet);font-size:13px;font-weight:500;transition:background .25s,transform .25s,box-shadow .25s}.primary:hover{background:var(--orange);border-color:var(--orange);transform:translateY(-3px);box-shadow:4px 4px 0 #c9c7b8}.primary:active{transform:translateY(0);box-shadow:none}.primary .btn-arrow{font-size:23px;line-height:1;transition:transform .25s}.primary:hover .btn-arrow{transform:translate(3px,-3px)}.hero-time{font:10px/1.8 var(--mono);color:var(--muted)}.hero-time b{font-weight:400;color:var(--ink);font-size:13px}.hero-art{position:relative;min-width:0;align-self:stretch;display:flex;align-items:center;isolation:isolate}.art-frame{width:117%;margin-left:-7%;transform:translate3d(var(--mx,0px),var(--my,0px),0);transition:transform .6s ease-out;will-change:transform}.art-frame img{width:100%;height:auto;display:block;mix-blend-mode:multiply}.art-cross{position:absolute;width:15px;height:15px;opacity:.45}.art-cross:before,.art-cross:after{position:absolute;content:'';background:var(--muted)}.art-cross:before{width:15px;height:1px;top:7px}.art-cross:after{width:1px;height:15px;left:7px}.cross-tl{top:9%;left:6%}.cross-br{right:0;bottom:5%}.art-index{position:absolute;top:9%;right:2%;font:9px var(--mono);letter-spacing:1px;color:var(--muted)}.art-caption{position:absolute;bottom:0;left:10%;right:0;display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px;font:9px/1.5 var(--mono);color:var(--muted)}.art-caption span:last-child{color:var(--orange)}.art-sticker{position:absolute;right:-1%;bottom:17%;background:var(--orange);color:var(--sheet);width:99px;height:99px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;transform:rotate(12deg);box-shadow:4px 5px 0 #cbc5b4;animation:float 6s 1s ease-in-out infinite}.art-sticker span{font:8px var(--mono);letter-spacing:1px;margin-bottom:6px}.art-sticker strong{font-family:var(--serif);font-size:17px;font-weight:650}.hero-foot{display:flex;align-items:center;gap:10px;margin-top:30px;color:var(--muted);font-size:10px}.live-dot{width:6px;height:6px;background:var(--green);border-radius:50%;box-shadow:0 0 0 3px #36554713}.ticker{overflow:hidden;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:13px 0;position:relative;display:flex;gap:30px}.ticker-track{display:flex;align-items:center;gap:30px;min-width:max-content;animation:ticker 35s linear infinite;font:10px var(--mono);letter-spacing:2px;color:var(--muted)}.ticker-track b{color:var(--orange);font-size:17px;font-weight:400}.section-title{display:flex;justify-content:space-between;gap:25px;align-items:end;padding:45px 0 28px}.section-title h2{font-family:var(--serif);font-size:34px;letter-spacing:-1px;font-weight:700;margin:8px 0 0}.section-title>p{font-size:12px;line-height:1.8;color:var(--muted);text-align:right;margin:0}.label{font:9px/1.7 var(--mono);letter-spacing:1px;color:var(--muted)}.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:13px}.case{position:relative;background:var(--sheet);border:1px solid #c4c3b4;text-align:left;color:var(--ink);padding:26px 26px 23px;transition:transform .3s,box-shadow .3s;isolation:isolate;min-width:0}.case:before{content:'';height:12px;width:38%;position:absolute;left:-1px;top:-13px;border:1px solid #c4c3b4;border-bottom:0;border-radius:6px 14px 0 0;background:var(--sheet)}.case:hover{transform:translateY(-8px) rotate(-.6deg);box-shadow:7px 9px 0 #dcd9cc}.case:nth-child(2):hover{transform:translateY(-8px) rotate(.6deg)}.case-head{display:flex;align-items:center;justify-content:space-between}.case .num{font:9px var(--mono);letter-spacing:1px;color:var(--orange)}.case-status{font-size:9px;color:var(--muted)}.case-art{height:155px;width:100%;display:block;margin:9px 0 15px}.case-art .moving{transform-box:fill-box;transform-origin:center;transition:transform .5s}.case:hover .case-art .moving{transform:translateY(-7px)}.case h3{font-family:var(--serif);font-size:22px;line-height:1.5;letter-spacing:-.5px;margin:0 0 10px;font-weight:650}.case p{font-size:12px;color:var(--muted);line-height:1.8;margin:0;min-height:44px}.case-bottom{border-top:1px dashed var(--line);padding-top:18px;margin-top:23px;display:flex;align-items:center;justify-content:space-between;gap:6px}.case .topic{font-size:9px;letter-spacing:.3px;color:var(--muted)}.case-arrow{width:29px;height:29px;border:1px solid var(--line);display:grid;place-items:center;font-size:17px;transition:.25s}.case:hover .case-arrow{background:var(--orange);border-color:var(--orange);color:var(--sheet);transform:rotate(-7deg)}.editor-note{margin-top:45px;background:var(--ink);color:var(--paper);padding:38px 42px;display:grid;grid-template-columns:130px 1fr auto;align-items:center;gap:35px;position:relative;overflow:hidden}.editor-note:after{content:'?';font:200px Georgia;position:absolute;right:14%;top:-45px;color:#ffffff06;pointer-events:none}.editor-note .note-label{font:9px/2 var(--mono);letter-spacing:1px;color:#c7c6b9}.editor-note h2{font-family:var(--serif);font-size:24px;font-weight:500;margin:0;line-height:1.7}.editor-note h2 em{font-style:normal;color:#ed977c}.editor-note p{font-size:11px;line-height:1.9;color:#b9bcae;margin:10px 0 0}.note-arrow{font:55px var(--serif);color:#de7558}.quiet{border:0;background:transparent;color:var(--muted);font-size:11px;padding:10px 0;text-decoration:underline;text-underline-offset:5px;line-height:1.6}.quiet:hover{color:var(--orange)}.smallnote{font-size:10px;line-height:1.8;color:var(--muted);margin-top:14px}.action-row{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:27px}.action-row .primary{font-size:12px;padding:14px 18px;gap:15px}
/* Investigation spread */
.chapter-nav{display:flex;gap:0;flex-wrap:wrap;padding:26px 0 0;border-bottom:1px solid var(--line)}.navbtn{border:0;border-bottom:2px solid transparent;padding:14px 19px;background:none;color:var(--muted);font-size:11px;margin-bottom:-1px;transition:background .25s,color .25s}.navbtn.active{border-bottom-color:var(--orange);color:var(--orange);background:#be402c07}.navbtn:hover{background:#25261f08}.navbtn:last-child{margin-left:auto}.chapter-head{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:36px 0 24px}.chapter-head h1{font-family:var(--serif);font-size:clamp(30px,3.4vw,48px);line-height:1.5;font-weight:750;letter-spacing:-1.5px;margin:10px 0 6px}.chapter-head p{font-size:12px;line-height:1.9;color:var(--muted);margin:0}.chapter-count{font:italic 88px/.9 var(--serif);color:var(--orange);opacity:.65;position:relative}.chapter-count:after{content:'CASE FILE';position:absolute;font:8px var(--mono);letter-spacing:2px;bottom:-22px;left:6px;white-space:nowrap}.workspace{display:grid;grid-template-columns:1.12fr 1fr;gap:26px;align-items:stretch;margin-top:12px}.evidence{min-width:0;position:relative;padding:28px 30px;background:var(--sheet);border:1px solid var(--line);box-shadow:4px 5px 0 #dfdccf}.evidence:before{content:'';position:absolute;top:-8px;left:44%;width:65px;height:18px;background:#d2b9824d;transform:rotate(-4deg);z-index:2;border-left:1px dashed #cfbc91;border-right:1px dashed #cfbc91}.evidence-top{display:flex;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid var(--ink);padding-bottom:12px}.evidence-top .label{font-size:9px}.sim{font-size:9px;color:var(--orange)}.evidence h2{font-family:var(--serif);font-size:24px;line-height:1.65;font-weight:650;letter-spacing:-.5px;margin:22px 0 0}.chart{display:block;width:100%;height:auto;margin-top:20px;overflow:visible}.chart text{font-family:var(--sans);font-variant-numeric:tabular-nums}.source-note{font-size:10px;line-height:1.9;color:var(--muted);margin:15px 0 0}.desk{position:relative;min-width:0;padding:28px 28px 24px;background:#e7e7db;border:1px solid #cbcebe;display:flex;flex-direction:column}.desk:after{content:'EDITOR’S DESK';position:absolute;right:16px;top:13px;font:8px var(--mono);color:#6b6c605e;letter-spacing:1px}.step-tag{font-size:10px;font-weight:500;letter-spacing:1px;color:var(--orange);line-height:1.8}.desk h3{font-family:var(--serif);font-size:23px;line-height:1.6;margin:17px 0 6px;font-weight:650}.desk>p{font-size:12px;line-height:1.9;color:var(--muted);margin:8px 0}.choices{display:grid;gap:10px;margin-top:22px}.choice{position:relative;width:100%;display:flex;align-items:start;gap:13px;background:#f8f5ecaa;border:1px solid #c9cbbb;text-align:left;padding:15px 16px;color:var(--ink);font-size:12px;line-height:1.8;transition:transform .2s,border-color .2s,background .2s}.choice b{font:11px/1.8 var(--mono);font-weight:400;color:var(--orange);flex:none;margin-top:1px}.choice:hover{background:var(--sheet);border-color:var(--orange);transform:translateX(4px)}.choice:active{transform:translateX(1px)}.choice.selected{border-color:var(--green);background:#e1e7d8}.choice.is-wrong{animation:shake .3s ease;border-color:var(--orange)}.control{border-top:1px solid #c3c7b6;margin-top:21px;padding-top:22px}.control label{display:flex;justify-content:space-between;gap:12px;font-size:11px;align-items:baseline}.control label strong{font:12px var(--mono);color:var(--orange)}input[type=range]{width:100%;margin:28px 0 15px;accent-color:var(--orange);appearance:none;background:transparent;height:20px;cursor:ew-resize}input[type=range]::-webkit-slider-runnable-track{background:#c3c8b7;height:3px}input[type=range]::-webkit-slider-thumb{appearance:none;width:18px;height:24px;background:var(--orange);border:3px solid var(--paper);box-shadow:0 0 0 1px var(--orange);border-radius:1px;margin-top:-10px;transition:box-shadow .2s}input[type=range]:hover::-webkit-slider-thumb{box-shadow:0 0 0 5px #be402c20}input[type=range]::-moz-range-track{background:#c3c8b7;height:3px}input[type=range]::-moz-range-thumb{width:12px;height:18px;background:var(--orange);border:3px solid var(--paper);border-radius:1px}.endpoints{display:flex;justify-content:space-between;font-size:9px;color:var(--muted)}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}.metric{border-top:1px solid #bfc5b2;padding-top:13px;min-width:0}.metric span{font-size:10px;color:var(--muted)}.metric strong{display:block;font:40px/1.3 var(--serif);margin-top:10px;letter-spacing:-1px;font-variant-numeric:lining-nums tabular-nums;color:var(--ink)}.metric:first-child strong{color:var(--orange)}.metric strong em{font:11px var(--sans);font-style:normal;letter-spacing:0;white-space:nowrap}.seg{display:flex;gap:0;margin:22px 0 0;border:1px solid #bbc1af}.seg button{flex:1;border:0;border-right:1px solid #bbc1af;padding:12px 7px;background:transparent;font-size:11px;white-space:nowrap;transition:background .25s,color .25s}.seg button:last-child{border-right:0}.seg button.on{background:var(--green);color:var(--sheet)}.seg button:hover:not(.on){background:#d9ddcc}.desk .action-row{margin-top:auto;padding-top:25px}.desk .action-row .primary{max-width:100%;line-height:1.7}.insight{border-top:1px solid var(--ink);padding-top:18px;margin-top:21px}.insight h4{font-size:13px;margin:0;font-weight:600}.insight p{font-size:12px;line-height:1.95;color:var(--muted);margin:10px 0 0}.success{color:var(--green);font-size:12px;margin-top:18px}.verified-stamp{align-self:flex-start;margin:23px 0 5px;border:3px double var(--green);color:var(--green);padding:10px 18px 8px;transform:rotate(-7deg);text-align:center;animation:stamp .65s cubic-bezier(.19,1,.22,1) both}.verified-stamp strong{font-family:var(--serif);font-weight:750;font-size:23px;letter-spacing:5px}.verified-stamp small{display:block;font:8px var(--mono);letter-spacing:3px;margin-top:5px}.success-statement{font-family:var(--serif)!important;font-size:21px!important;color:var(--green)!important}details{font-size:11px;border-top:1px dashed var(--line);padding-top:16px;margin-top:24px}summary{color:var(--green);cursor:pointer;line-height:1.8}details[open] summary{margin-bottom:10px}table{width:100%;border-collapse:collapse;margin-top:12px;font-size:10px}th,td{font-weight:400;text-align:left;padding:10px 5px;border-bottom:1px solid var(--line)}th{color:var(--muted)}#feedback{padding:0;line-height:1.9}#feedback:not(:empty){padding:10px 0 0}.stepper{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:33px}.step-point{font-size:10px;color:var(--muted);border-top:2px solid var(--line);padding-top:12px;display:flex;gap:8px;align-items:center}.step-point span{font:9px var(--mono)}.step-point.on{color:var(--orange);border-color:var(--orange)}.step-point.complete{color:var(--green);border-color:var(--green)}.chapter-bottom{display:flex;justify-content:space-between;gap:20px;align-items:start;margin-top:12px}.chapter-bottom .smallnote{margin:0;max-width:540px}.chapter-bottom .label{font-size:8px;white-space:nowrap}
/* Field notes */
.record-head{position:relative;padding:55px 0 38px;display:grid;grid-template-columns:1fr 180px;align-items:center;gap:45px;border-bottom:1px solid var(--ink)}.record-head h1{font-family:var(--serif);font-size:clamp(32px,4vw,52px);line-height:1.5;letter-spacing:-1px;margin:20px 0;font-weight:750}.record-head p{max-width:640px;font-size:13px;line-height:1.95;color:var(--muted);margin:0}.record-seal{width:155px;height:155px;border:1px solid var(--orange);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--orange);transform:rotate(9deg);position:relative}.record-seal:before{content:'';position:absolute;inset:6px;border:1px dashed var(--orange);border-radius:50%}.record-seal strong{font:48px var(--serif)}.record-seal span{font:8px var(--mono);letter-spacing:2px;margin-top:7px}.record-item{display:grid;grid-template-columns:64px .9fr 1fr;gap:26px;padding:30px 0;border-bottom:1px solid var(--line)}.record-item .rn{font:italic 38px var(--serif);color:var(--orange)}.record-item h3{font-family:var(--serif);font-size:21px;line-height:1.5;font-weight:650;margin:0 0 14px}.rlabel{font:9px var(--mono);color:var(--orange);letter-spacing:1px}.record-item p{font-size:12px;line-height:1.9;color:var(--muted);margin:10px 0}.record-item strong{font-size:12px;font-weight:500;line-height:1.8}.record-item>div:last-child{padding:15px 20px;background:#e7e7d9;border-left:2px solid #8b9a7f}.checklist{margin-top:35px;padding:30px 0}.checklist h3{font-family:var(--serif);font-size:25px;font-weight:650;margin:0 0 22px}.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.check-item{border-top:1px solid var(--ink);padding-top:15px}.check-item span{font:11px var(--mono);color:var(--orange)}.check-item p{font-size:12px;line-height:1.9;color:var(--muted);margin:8px 0}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:12px 20px;font-size:12px;z-index:20}.view{animation:view-in .45s ease both}.hero-copy .eyebrow{animation:view-in .6s .05s both}.hero h1{animation:view-in .7s .15s both}.hero-deck{animation:view-in .7s .25s both}.hero-actions{animation:view-in .7s .35s both}.hero-art{animation:art-in 1s .15s both}.case{animation:view-in .7s both}.case:nth-child(2){animation-delay:.1s}.case:nth-child(3){animation-delay:.2s}.evidence{animation:paper-in .55s ease both}.desk{animation:view-in .55s .06s both}.choices .choice{animation:view-in .35s both}.choices .choice:nth-child(2){animation-delay:.05s}.choices .choice:nth-child(3){animation-delay:.1s}.record-item{animation:view-in .5s both}.record-item:nth-of-type(2){animation-delay:.1s}.record-item:nth-of-type(3){animation-delay:.2s}@keyframes view-in{from{opacity:0;transform:translateY(13px)}to{opacity:1;transform:translateY(0)}}@keyframes art-in{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes paper-in{from{opacity:0;transform:translateY(10px) rotate(-.7deg)}to{opacity:1;transform:translateY(0) rotate(0)}}@keyframes underline{from{scale:0 1}to{scale:1 1}}@keyframes float{0%,100%{transform:translateY(0) rotate(12deg)}50%{transform:translateY(-7px) rotate(8deg)}}@keyframes ticker{to{transform:translateX(calc(-50% - 15px))}}@keyframes stamp{0%{opacity:0;transform:scale(1.6) rotate(-14deg)}55%{opacity:1;transform:scale(.94) rotate(-7deg)}100%{transform:scale(1) rotate(-7deg)}}@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
@media(min-width:1500px){.site-header{padding-left:70px;padding-right:70px}.hero-art .art-frame{width:118%}.hero{min-height:680px}}
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@media(max-width:370px){.hero h1{font-size:57px}.hero-actions{gap:13px}.case{grid-template-columns:1fr 85px;padding:20px}.case-art{height:100px}.case h3{font-size:19px}.metric strong{font-size:34px}.chapter-count{display:none}.navbtn{font-size:9px}.record-head{grid-template-columns:1fr}.record-seal{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.art-frame{transform:none!important}}body.reduce-motion *,body.reduce-motion *:before,body.reduce-motion *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}body.reduce-motion .art-frame{transform:none!important}
@media print{body:before,header,footer,button,.chapter-nav,.reading-line,.ticker{display:none!important}main{padding:0}.record-head{padding-top:0}.record-item{break-inside:avoid}.record-view{animation:none}.record-head h1{font-size:30px}.record-seal{display:none}.record-head{grid-template-columns:1fr}.check-grid{grid-template-columns:repeat(4,1fr)}}
/* Let hover transforms take over after the entrance finishes. */
.case,.choices .choice{animation-fill-mode:backwards}
@media(max-width:760px){.chart text[font-size="10"],.chart text[font-size="11"]{font-size:15px}.chart text[font-size="12"]{font-size:16px}}
/* Learning design revision 03 */
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var(--orange);outline-offset:3px}.task-hint{font-size:11px;line-height:1.85;color:var(--muted);margin-top:14px}.task-section{padding-top:20px;margin-top:20px;border-top:1px solid #bdc3af}.field-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field-pair .answer-field input{min-width:0;width:80px}.feedback{color:#ad3927;font-size:12px;line-height:1.85}.feedback:empty{display:none}.feedback span{display:block;border-left:2px solid var(--orange);padding-left:10px;margin:9px 0}.source-link{display:inline-block;font-size:11px;line-height:1.9;color:var(--green);margin-top:14px;text-underline-offset:3px}.claim-poster{padding:60px 10px 65px;text-align:center}.claim-poster>span{font-size:11px;letter-spacing:2px;color:var(--muted)}.claim-poster strong{display:block;font:68px var(--serif);letter-spacing:-3px;color:var(--orange);margin-top:25px}.claim-poster small{font:13px var(--sans);letter-spacing:0}.claim-poster p{font-size:11px;color:var(--muted);margin-top:26px}.final-invite{border-top:1px solid var(--ink);border-bottom:1px solid var(--line);padding:27px 0;margin-top:36px;display:flex;justify-content:space-between;align-items:center;gap:25px}.final-invite h3{font:600 23px/1.7 var(--serif);margin:10px 0}.final-invite p{font-size:12px;line-height:1.9;color:var(--muted);margin:0}.final-invite button{flex:none}.record-actions{display:flex;gap:12px;flex-wrap:wrap}.record-item .attempt-note{font-size:10px;margin:6px 0}.final-evidence{padding:30px;background:var(--sheet);border:1px solid var(--line);box-shadow:4px 5px 0 #dfdccf}.final-evidence>h2{font:650 28px/1.65 var(--serif);margin:23px 0}.final-data-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.final-data-grid h3{font-size:13px;font-weight:500;border-top:1px solid var(--line);padding-top:18px;margin:20px 0 10px}.final-data-grid .chart{max-width:480px;margin:0 auto}.sample-strip{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0 35px}.sample-strip span{font:20px var(--mono);padding:12px;border:1px solid var(--line);color:var(--ink)}.final-form{margin-top:40px;display:grid;gap:22px}.final-form fieldset{border:0;border-top:1px solid var(--ink);padding:22px 0 0;margin:0;min-width:0}.final-form legend{font:600 19px/1.7 var(--serif);padding-right:20px;max-width:100%}.final-form legend>span{font:12px var(--mono);color:var(--orange);margin-right:16px}.final-form .choices{grid-template-columns:repeat(3,1fr);margin-top:0;gap:15px}.quiz-choice{cursor:pointer;align-items:start;height:100%;min-height:88px}.quiz-choice input{accent-color:var(--green);margin-top:5px;flex:none;min-width:16px;height:16px}.quiz-choice b{display:none}.quiz-choice:has(input:focus-visible){outline:3px solid var(--orange);outline-offset:3px}.review-result{display:grid;grid-template-columns:40px 1fr;gap:22px;padding:28px 0;border-bottom:1px solid var(--line)}.result-symbol{font-size:25px;color:var(--green)}.review-result.needs-review .result-symbol{color:var(--orange)}.review-result h3{font:600 23px var(--serif);margin:15px 0}.review-result p{font-size:13px;line-height:1.9;color:var(--muted);max-width:850px}.review-result strong{color:var(--ink);font-weight:500}.final-copy{padding:25px 28px;background:var(--wash);margin-top:30px}.final-copy h3{font:600 23px/1.6 var(--serif);margin:0}.final-copy p{font-size:14px;line-height:2}.about-view{max-width:1000px;margin:auto}.about-view .record-head{grid-template-columns:1fr}.about-section{border-bottom:1px solid var(--line);padding:30px 0}.about-section h2{font:650 26px/1.6 var(--serif);margin:0 0 20px}.about-section p,.about-section li{font-size:13px;line-height:2;color:var(--muted)}.about-section ul{padding-left:22px}.reference-item{display:grid;grid-template-columns:35px 1fr;gap:15px;padding:20px 0;border-bottom:1px dashed var(--line)}.reference-item>span{font:11px var(--mono);color:var(--orange)}.reference-item a{color:var(--green);font-size:14px;line-height:1.7;text-underline-offset:4px}.reference-item p{font-size:12px;margin:12px 0 0}.source-actions{display:flex;flex-wrap:wrap;gap:15px 24px;margin-top:20px}.source-actions a{font-size:12px;color:var(--green);line-height:1.8;text-underline-offset:4px}.site-header .quiet{font-size:10px}#sourcesBtn{font-size:9px;margin-top:5px;padding:2px 0}.chapter-nav{flex-wrap:wrap}.chapter-nav .navbtn{padding-left:13px;padding-right:13px}.final-form .action-row{margin-top:5px}
@media(max-width:1000px){.final-form .choices{grid-template-columns:1fr}.quiz-choice{min-height:0}.final-data-grid{gap:25px}.sample-strip span{font-size:17px;padding:10px}.final-invite h3{font-size:21px}}
@media(max-width:760px){.chapter-nav{display:flex}.chapter-nav .navbtn{flex:1;white-space:nowrap;padding:10px 4px;font-size:9px}.chapter-nav .navbtn:last-child{flex-basis:100%;text-align:right}.final-invite{align-items:start;flex-direction:column;padding:25px 0;gap:18px}.final-invite h3{font-size:23px}.final-invite p{font-size:11px}.field-pair{gap:10px}.field-pair .answer-field input{width:66px;padding:10px 7px}.answer-field{font-size:13px}.answer-field em{font-size:10px}.answer-field input,.answer-field select{font-size:16px}.claim-poster{padding:40px 0}.claim-poster strong{font-size:57px}.final-evidence{padding:23px 20px}.final-evidence>h2{font-size:25px}.final-data-grid{grid-template-columns:1fr;gap:5px}.final-data-grid .chart{max-width:460px}.final-form legend{font-size:19px;padding-right:0}.quiz-choice{font-size:13px;padding:16px}.review-result{grid-template-columns:24px 1fr;gap:13px}.review-result h3{font-size:21px}.review-result p{font-size:12px}.final-copy{padding:22px}.final-copy h3{font-size:22px}.final-copy p{font-size:13px}.about-section h2{font-size:24px}.about-section p,.about-section li{font-size:13px}.source-actions{flex-direction:column;gap:14px}.record-actions{gap:10px}.record-actions .primary,.record-actions .secondary{font-size:11px;padding:12px 14px}.hero-time{max-width:130px}.hero-foot{line-height:1.8;align-items:start}.live-dot{flex:none;margin-top:5px}}