:root{--layout-scale:1;--layout-unit:1vw;color-scheme:dark;--paper:#161b23;--surface:#212833;--ink:#eef1f4;--muted:#9ca8b6;--blue:#70a4ff;--line:#36404d;--radius:calc(12px * var(--layout-scale));--rail:calc(160px * var(--layout-scale));--gutter:clamp(calc(28px * var(--layout-scale)),calc(3.6 * var(--layout-unit)),calc(72px * var(--layout-scale)));--title:clamp(calc(34px * var(--layout-scale)),calc(3.15 * var(--layout-unit)),calc(56px * var(--layout-scale)))}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Segoe UI","Microsoft YaHei",sans-serif;font-size:calc(16px * var(--layout-scale));line-height:1.7;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.3}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:calc(3px * var(--layout-scale)) solid var(--blue);outline-offset:calc(5px * var(--layout-scale))}img{display:block;max-width:100%;height:auto}button{border:0;background:none;padding:0}em{font-style:normal;color:var(--blue)}h1,h2,h3,p{margin:0}h2{font-size:var(--title);line-height:1.3;letter-spacing:-.045em;text-wrap:balance;max-width:24em}h3{font-size:calc(20px * var(--layout-scale));line-height:1.5;text-wrap:balance}.skip{position:fixed;top:-100px;left:calc(24px * var(--layout-scale));padding:calc(12px * var(--layout-scale));background:var(--surface);z-index:99}.skip:focus{top:calc(12px * var(--layout-scale))}
.masthead{position:absolute;top:0;left:calc(var(--stage-left, 0px) + var(--gutter));right:calc(var(--stage-left, 0px) + var(--gutter));height:calc(84px * var(--layout-scale));display:flex;align-items:center;justify-content:space-between;z-index:10}.brand{display:flex;align-items:center;gap:calc(14px * var(--layout-scale))}.brand b{font-size:calc(27px * var(--layout-scale));letter-spacing:-3px}.brand span{font-size:calc(11px * var(--layout-scale));letter-spacing:.12em;font-weight:600}.back{font-size:calc(13px * var(--layout-scale))}.back span{margin-left:calc(15px * var(--layout-scale));color:var(--blue)}
.chapters{position:fixed;left:calc(var(--stage-left, 0px) + var(--gutter));top:50%;transform:translateY(-50%);width:var(--rail);display:grid;gap:calc(20px * var(--layout-scale));z-index:20}.chapters a{display:flex;gap:calc(14px * var(--layout-scale));color:var(--muted);font-size:calc(13px * var(--layout-scale));line-height:1.5;transition:color .2s,transform .2s}.chapters a span{font-variant-numeric:tabular-nums;font-size:calc(11px * var(--layout-scale));letter-spacing:.08em}.chapters a[aria-current]{color:var(--blue);font-weight:700;transform:translateX(calc(5px * var(--layout-scale)))}.chapter-progress{height:calc(2px * var(--layout-scale));width:calc(80px * var(--layout-scale));background:var(--line);margin-top:calc(16px * var(--layout-scale));overflow:hidden}.chapter-progress i{display:block;width:100%;height:100%;background:var(--blue);transform:scaleX(0);transform-origin:left}
.screen{height:100svh;min-height:calc(640px * var(--layout-scale));padding:clamp(calc(40px * var(--layout-scale)),6vh,calc(76px * var(--layout-scale))) var(--gutter) clamp(calc(36px * var(--layout-scale)),5vh,calc(64px * var(--layout-scale))) calc(var(--gutter) + var(--rail) + calc(35px * var(--layout-scale)));display:flex;flex-direction:column;position:relative;isolation:isolate}.screen:not(.cover){border-top:calc(1px * var(--layout-scale)) solid var(--line)}.section-heading{flex:none}.section-label{font-size:calc(14px * var(--layout-scale));font-weight:650;color:var(--muted);margin-bottom:calc(20px * var(--layout-scale));display:flex;align-items:center;gap:calc(14px * var(--layout-scale))}.section-label span{font-size:calc(11px * var(--layout-scale));color:var(--blue);letter-spacing:.12em;font-variant-numeric:tabular-nums}.section-heading>p:last-child:not(.section-label){font-size:calc(16px * var(--layout-scale));color:var(--muted);margin-top:calc(18px * var(--layout-scale));max-width:65em;line-height:1.85}.text-button{font-size:calc(12px * var(--layout-scale));font-weight:600;white-space:nowrap;color:var(--blue);line-height:1.7}.text-button:hover{color:var(--ink);text-decoration:underline;text-underline-offset:calc(5px * var(--layout-scale))}
.cover{padding-top:calc(116px * var(--layout-scale));display:grid;grid-template-columns:1fr 1.05fr;grid-template-rows:1fr auto;column-gap:calc(30px * var(--layout-scale));overflow:hidden}.cover-copy{align-self:center;z-index:2}.overline{font-size:calc(12px * var(--layout-scale));color:var(--muted);letter-spacing:.08em;margin-bottom:calc(22px * var(--layout-scale))}.cover h1{font-size:clamp(calc(74px * var(--layout-scale)),calc(7.3 * var(--layout-unit)),calc(126px * var(--layout-scale)));letter-spacing:-.07em;font-weight:750;line-height:1.03}.title-dot{color:var(--blue)}.cover-line{font-size:clamp(calc(23px * var(--layout-scale)),calc(2.2 * var(--layout-unit)),calc(34px * var(--layout-scale)));font-weight:600;line-height:1.5;margin-top:calc(22px * var(--layout-scale));letter-spacing:-.03em}.cover-description{margin-top:calc(20px * var(--layout-scale));max-width:28em;font-size:calc(14px * var(--layout-scale));color:var(--muted);line-height:1.9}.start{display:inline-flex;align-items:center;justify-content:space-between;gap:calc(45px * var(--layout-scale));font-size:calc(14px * var(--layout-scale));font-weight:600;margin-top:calc(30px * var(--layout-scale));padding:calc(9px * var(--layout-scale)) 0;border-bottom:calc(1px * var(--layout-scale)) solid var(--ink)}.start span{color:var(--blue);transition:transform .2s}.start:hover span{transform:translateY(calc(5px * var(--layout-scale)))}.cover-art{position:relative;min-width:0;height:100%;display:flex;align-items:center;justify-content:center}.poster-ring{position:absolute;width:115%;aspect-ratio:1;border-radius:50%;border:calc(1px * var(--layout-scale)) solid var(--line);top:50%;left:50%;transform:translate(-50%,-50%)}.poster-ring:after{content:"";position:absolute;inset:15%;border:calc(1px * var(--layout-scale)) solid var(--line);border-radius:50%}.hero-interface{position:absolute;width:42%;filter:drop-shadow(0 calc(18px * var(--layout-scale)) calc(20px * var(--layout-scale)) #1728451c)}.hero-control{left:5%;top:18%}.hero-plan{right:0;top:3%}.hero-interface img{border-radius:calc(24px * var(--layout-scale))}.hero-mark{position:absolute;left:-3%;top:-2%;width:18%;z-index:2}.art-note{position:absolute;bottom:0;right:5%;font-size:calc(12px * var(--layout-scale));letter-spacing:.12em;color:var(--muted)}.art-note span{color:var(--blue);margin:0 calc(12px * var(--layout-scale))}
.gallery{display:grid;grid-template-columns:calc(28px * var(--layout-scale)) minmax(0,1fr) calc(28px * var(--layout-scale));align-items:center;gap:calc(20px * var(--layout-scale));flex:1;min-height:0;margin-top:calc(30px * var(--layout-scale))}.gallery-window{min-width:0;overflow:hidden;height:100%;display:flex;align-items:center}.gallery-track{display:flex;gap:calc(20px * var(--layout-scale));width:100%;align-items:center;min-width:0}.poster{flex:0 0 calc((100% - calc(60px * var(--layout-scale)))/4);border-radius:var(--radius);overflow:hidden;transition:filter .2s,box-shadow .2s}.poster img{width:100%;max-height:calc(100svh - calc(290px * var(--layout-scale)));object-fit:contain}.poster:hover{filter:brightness(1.035);box-shadow:0 calc(10px * var(--layout-scale)) calc(24px * var(--layout-scale)) #18233114}.gallery-arrow{font-size:calc(25px * var(--layout-scale));line-height:1;width:calc(30px * var(--layout-scale));height:calc(40px * var(--layout-scale));color:var(--blue);transition:transform .2s}.gallery-arrow:not(:disabled):hover{transform:scale(1.2)}.gallery-footer{display:flex;justify-content:flex-end;flex:none;font-size:calc(11px * var(--layout-scale));color:var(--muted);padding:calc(18px * var(--layout-scale)) calc(48px * var(--layout-scale)) 0}.gallery-page{font-variant-numeric:tabular-nums;color:var(--blue)}
.comparison{display:grid;grid-template-columns:minmax(0,1.15fr) calc(60px * var(--layout-scale)) minmax(0,1fr);flex:1;min-height:0;margin-top:calc(28px * var(--layout-scale));gap:calc(18px * var(--layout-scale))}.prototype-board{display:flex;flex-direction:column;min-width:0;min-height:0;justify-content:center}.board-heading{display:flex;justify-content:space-between;align-items:center;font-size:calc(13px * var(--layout-scale));margin-bottom:calc(12px * var(--layout-scale))}.prototype-image{min-height:0;display:flex;align-items:center;justify-content:center}.prototype-image img{width:100%;height:100%;max-height:calc(100svh - calc(330px * var(--layout-scale)));object-fit:contain;border-radius:var(--radius)}.comparison-bridge{align-self:center;text-align:center;color:var(--blue)}.comparison-bridge span{font-size:calc(35px * var(--layout-scale))}.comparison-bridge small{display:block;font-size:calc(10px * var(--layout-scale));white-space:nowrap}.ui-board{display:flex;flex-direction:column;min-width:0;min-height:0}.ui-tabs{display:flex;justify-content:space-between;gap:calc(8px * var(--layout-scale));border-bottom:calc(1px * var(--layout-scale)) solid var(--line);margin-bottom:calc(20px * var(--layout-scale))}.ui-tabs button{font-size:calc(12px * var(--layout-scale));padding:calc(8px * var(--layout-scale)) 0;border-bottom:calc(2px * var(--layout-scale)) solid transparent;margin-bottom:-1px;white-space:nowrap}.ui-tabs [aria-selected=true]{color:var(--blue);border-color:var(--blue)}#ui-panel{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(calc(110px * var(--layout-scale)),.72fr);gap:calc(20px * var(--layout-scale));align-items:center}.ui-image{height:100%;min-height:0;display:flex;align-items:center;justify-content:center}.ui-image img{height:100%;max-height:calc(100svh - calc(310px * var(--layout-scale)));width:auto;max-width:100%;object-fit:contain;border-radius:calc(18px * var(--layout-scale))}.ui-description p{font-size:calc(12px * var(--layout-scale));color:var(--muted);margin-top:calc(16px * var(--layout-scale));line-height:1.9}.ui-number{font-size:calc(11px * var(--layout-scale));font-variant-numeric:tabular-nums;color:var(--blue);display:block;margin-bottom:calc(18px * var(--layout-scale))}
.heading-row{display:flex;align-items:center;justify-content:space-between;gap:calc(20px * var(--layout-scale))}.review-path{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) calc(24px * var(--layout-scale)) minmax(0,1fr) calc(24px * var(--layout-scale)) minmax(0,1.15fr) calc(24px * var(--layout-scale)) minmax(calc(68px * var(--layout-scale)),.38fr);align-items:center;gap:calc(6px * var(--layout-scale));margin-top:calc(24px * var(--layout-scale))}.review-stage{min-width:0;display:flex;justify-content:center;align-items:center;height:100%;min-height:0}.flow-art{position:relative;overflow:hidden;max-height:100%;width:100%;background:#fff;border-radius:var(--radius)}.flow-art img{position:absolute;max-width:none;height:auto}.original{aspect-ratio:410/685}.original img{width:407.804878%;left:-14.634146%;top:-18.248175%}.risk{aspect-ratio:395/685}.risk img{width:423.291139%;left:-134.177215%;top:-18.248175%}.adjusted{aspect-ratio:470/685}.adjusted img{width:355.744681%;left:-208.510638%;top:-18.248175%}.passed{aspect-ratio:160/210;background:transparent}.passed img{width:1045%;left:-935%;top:-171.428571%}.flow-arrow{display:flex;align-items:center;position:relative;height:calc(30px * var(--layout-scale));color:var(--blue);width:100%}.flow-arrow i{height:calc(1px * var(--layout-scale));width:100%;background:currentColor;transform-origin:left}.flow-arrow b{position:absolute;right:0;font-size:calc(23px * var(--layout-scale));line-height:1;font-weight:400}
.results-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(calc(32px * var(--layout-scale)),calc(6 * var(--layout-unit)),calc(100px * var(--layout-scale)));align-items:center;flex:1;min-height:0}.download-result>p:first-child{font-size:calc(15px * var(--layout-scale));color:var(--muted)}.download-number{font-size:clamp(calc(74px * var(--layout-scale)),calc(9.5 * var(--layout-unit)),calc(160px * var(--layout-scale)));line-height:1.3;font-weight:650;letter-spacing:-.07em;color:var(--blue);font-variant-numeric:tabular-nums}.period{font-size:calc(13px * var(--layout-scale));color:var(--muted);letter-spacing:.03em;margin:calc(8px * var(--layout-scale)) 0 calc(18px * var(--layout-scale))}.feedback-result{border-left:calc(1px * var(--layout-scale)) solid var(--line);padding-left:calc(32px * var(--layout-scale))}.rating-row{display:flex;justify-content:space-between;gap:calc(24px * var(--layout-scale));align-items:center}.rating-number{font-size:calc(58px * var(--layout-scale));line-height:1.1;letter-spacing:-.04em;font-weight:600;font-variant-numeric:tabular-nums}.rating-unit{color:var(--muted);font-size:calc(15px * var(--layout-scale))}.rating-row p{font-size:calc(12px * var(--layout-scale));color:var(--muted);margin-top:calc(10px * var(--layout-scale))}.rating-count strong{font-size:calc(29px * var(--layout-scale));font-weight:550;line-height:1.1;font-variant-numeric:tabular-nums}.rank-row{border-top:calc(1px * var(--layout-scale)) solid var(--line);margin:calc(24px * var(--layout-scale)) 0 calc(14px * var(--layout-scale));padding-top:calc(20px * var(--layout-scale));display:flex;align-items:center;justify-content:space-between}.rank-row>span{font-size:calc(13px * var(--layout-scale));color:var(--muted)}.rank-row strong{font-size:calc(36px * var(--layout-scale));font-weight:550;line-height:1.3;font-variant-numeric:tabular-nums}.rank-row small{font-size:calc(12px * var(--layout-scale));margin-left:calc(6px * var(--layout-scale));font-weight:400}.case-footer{display:flex;justify-content:space-between;padding-top:calc(20px * var(--layout-scale));border-top:calc(1px * var(--layout-scale)) solid var(--line);font-size:calc(12px * var(--layout-scale));color:var(--muted)}.case-footer a:hover{color:var(--blue)}
.image-dialog{padding:calc(20px * var(--layout-scale));width:min(calc(94 * var(--layout-unit)),calc(1300px * var(--layout-scale)));max-height:94svh;border:calc(1px * var(--layout-scale)) solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink)}.image-dialog::backdrop{background:#101724cc;backdrop-filter:blur(calc(6px * var(--layout-scale)))}.dialog-bar{display:flex;align-items:center;justify-content:space-between;gap:calc(20px * var(--layout-scale));margin-bottom:calc(16px * var(--layout-scale));font-size:calc(13px * var(--layout-scale))}.dialog-close{padding:calc(6px * var(--layout-scale)) calc(10px * var(--layout-scale));white-space:nowrap;color:var(--blue)}.dialog-image{overflow:auto;max-height:calc(94svh - calc(100px * var(--layout-scale)));display:flex;justify-content:center}.dialog-image img{max-height:calc(94svh - calc(100px * var(--layout-scale)));max-width:100%;object-fit:contain;width:auto}
.poster-ring{opacity:.65}.hero-interface{filter:drop-shadow(0 calc(18px * var(--layout-scale)) calc(20px * var(--layout-scale)) #0004)}
@media(min-width:901px){:root{--layout-scale:var(--stage-scale,1);--layout-unit:var(--stage-unit,1vw)}main{width:var(--stage-width,100%);max-width:100%;margin-inline:auto}.hero-interface{max-width:calc((100svh - calc(285px * var(--layout-scale)))*.461823)}.original{max-width:calc((100svh - calc(280px * var(--layout-scale)))*.59854)}.risk{max-width:calc((100svh - calc(280px * var(--layout-scale)))*.576642)}.adjusted{max-width:calc((100svh - calc(280px * var(--layout-scale)))*.686131)}}
@media(max-width:900px){:root{--gutter:calc(24px * var(--layout-scale));--title:clamp(calc(30px * var(--layout-scale)),calc(5.8 * var(--layout-unit)),calc(44px * var(--layout-scale)))}.masthead{height:calc(70px * var(--layout-scale))}.chapters{top:auto;bottom:0;left:0;width:100%;transform:none;display:flex;justify-content:space-around;gap:0;padding:calc(12px * var(--layout-scale)) calc(10px * var(--layout-scale)) calc(calc(12px * var(--layout-scale)) + env(safe-area-inset-bottom));background:var(--paper);border-top:calc(1px * var(--layout-scale)) solid var(--line)}.chapters a{font-size:calc(11px * var(--layout-scale));display:grid;gap:calc(2px * var(--layout-scale));text-align:center}.chapters a span{font-size:calc(9px * var(--layout-scale))}.chapters a[aria-current]{transform:none}.chapter-progress{display:none}.screen{height:auto;min-height:0;padding:calc(55px * var(--layout-scale)) var(--gutter) calc(58px * var(--layout-scale));scroll-margin-top:0}.cover{min-height:100svh;grid-template-columns:1fr 1fr;padding-top:calc(108px * var(--layout-scale));overflow:hidden;padding-bottom:calc(90px * var(--layout-scale));gap:calc(20px * var(--layout-scale))}.cover h1{font-size:clamp(calc(58px * var(--layout-scale)),calc(10 * var(--layout-unit)),calc(85px * var(--layout-scale)))}.cover-line{font-size:calc(24px * var(--layout-scale))}.cover-description{font-size:calc(13px * var(--layout-scale))}.cover-art{height:calc(470px * var(--layout-scale));align-self:center}.hero-mark{width:25%}.hero-interface{width:48%}.hero-control{left:-5%;top:25%}.hero-plan{top:6%}.overline{font-size:calc(10px * var(--layout-scale))}.section-label{margin-bottom:calc(18px * var(--layout-scale))}.section-heading>p:last-child:not(.section-label){font-size:calc(14px * var(--layout-scale))}.gallery{margin-top:calc(28px * var(--layout-scale));gap:calc(10px * var(--layout-scale));flex:none}.gallery-window{overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}.gallery-track{gap:calc(16px * var(--layout-scale))}.poster{flex-basis:calc((100% - calc(32px * var(--layout-scale)))/3);scroll-snap-align:start}.poster img{max-height:none}.gallery-footer{padding:calc(18px * var(--layout-scale)) calc(38px * var(--layout-scale)) 0}.comparison{margin-top:calc(28px * var(--layout-scale));grid-template-columns:1.1fr calc(32px * var(--layout-scale)) 1fr;gap:calc(12px * var(--layout-scale))}.prototype-image img{max-height:none}.ui-image img{max-height:calc(400px * var(--layout-scale))}.ui-description{display:none}#ui-panel{display:flex}.ui-tabs{gap:calc(10px * var(--layout-scale))}.ui-tabs button{font-size:calc(11px * var(--layout-scale))}.board-heading{font-size:calc(12px * var(--layout-scale))}.review-path{margin:calc(28px * var(--layout-scale)) 0;min-height:calc(350px * var(--layout-scale))}.flow-art{max-height:none}.results-layout{margin:calc(42px * var(--layout-scale)) 0;gap:calc(28px * var(--layout-scale))}.download-number{font-size:clamp(calc(72px * var(--layout-scale)),calc(10 * var(--layout-unit)),calc(110px * var(--layout-scale)))}.feedback-result{padding-left:calc(24px * var(--layout-scale))}.rating-number{font-size:calc(46px * var(--layout-scale))}.case-footer{margin-bottom:calc(26px * var(--layout-scale))}.heading-row{align-items:flex-start}.heading-row .replay{margin-top:calc(7px * var(--layout-scale))}.results{padding-bottom:calc(92px * var(--layout-scale))}}
@media(max-width:560px){.brand span{font-size:calc(10px * var(--layout-scale))}.back{font-size:calc(11px * var(--layout-scale))}.cover{display:flex;padding-top:calc(105px * var(--layout-scale));min-height:0}.cover-copy{align-self:stretch}.cover h1 br{display:none}.cover h1{font-size:calc(58px * var(--layout-scale))}.cover-line br{display:none}.cover-line{font-size:calc(23px * var(--layout-scale));margin-top:calc(16px * var(--layout-scale))}.cover-description{max-width:26em}.cover-art{height:calc(390px * var(--layout-scale));width:100%;margin-top:calc(25px * var(--layout-scale))}.hero-interface{width:37%;max-width:calc(145px * var(--layout-scale))}.hero-control{left:13%;top:17%}.hero-plan{right:9%;top:2%}.hero-mark{width:17%;left:2%;top:0}.poster-ring{width:95%}.art-note{bottom:0;font-size:calc(11px * var(--layout-scale));right:0}.section-label{font-size:calc(13px * var(--layout-scale))}h2 em{display:block}.gallery{grid-template-columns:calc(20px * var(--layout-scale)) minmax(0,1fr) calc(20px * var(--layout-scale));gap:calc(8px * var(--layout-scale))}.poster{flex-basis:calc((100% - calc(16px * var(--layout-scale)))/2)}.gallery-footer{padding-left:calc(28px * var(--layout-scale));padding-right:calc(28px * var(--layout-scale))}.gallery-arrow{font-size:calc(23px * var(--layout-scale));width:calc(20px * var(--layout-scale))}.comparison{display:flex;flex-direction:column;gap:calc(20px * var(--layout-scale))}.comparison-bridge{transform:rotate(90deg);align-self:center}.comparison-bridge small{display:none}.ui-tabs{font-size:calc(12px * var(--layout-scale))}.ui-image{height:calc(390px * var(--layout-scale));width:100%;justify-content:center}.ui-image img{height:100%;max-height:none}#ui-panel{display:grid;grid-template-columns:1fr .7fr;gap:calc(18px * var(--layout-scale))}.ui-description{display:block}.ui-description h3{font-size:calc(16px * var(--layout-scale))}.ui-description p{font-size:calc(12px * var(--layout-scale))}.review-path{display:flex;flex-direction:column;gap:calc(16px * var(--layout-scale));min-height:0}.review-stage{width:min(100%,calc(270px * var(--layout-scale)));height:auto}.flow-art{width:100%}.approved{width:calc(125px * var(--layout-scale));margin-top:calc(10px * var(--layout-scale))}.flow-arrow{width:calc(30px * var(--layout-scale));transform:rotate(90deg);height:calc(24px * var(--layout-scale))}.heading-row{display:block}.heading-row .replay{margin-top:calc(18px * var(--layout-scale))}.results-layout{grid-template-columns:1fr;gap:calc(38px * var(--layout-scale))}.download-number{font-size:clamp(calc(78px * var(--layout-scale)),calc(21 * var(--layout-unit)),calc(120px * var(--layout-scale)))}.feedback-result{border-left:0;padding-left:0;padding-top:calc(28px * var(--layout-scale));border-top:calc(1px * var(--layout-scale)) solid var(--line)}.rating-row{justify-content:flex-start;gap:calc(80px * var(--layout-scale))}.rank-row{max-width:none}.case-footer{gap:calc(20px * var(--layout-scale));font-size:calc(11px * var(--layout-scale))}.image-dialog{padding:calc(14px * var(--layout-scale))}.dialog-bar{font-size:calc(12px * var(--layout-scale))}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Keep the poster corners intact while its artwork floats above the button. */
@media (hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){.poster{overflow:visible}.poster img{border-radius:inherit}}