@font-face{font-family:ArchiveSerif;src:local("KaiTi"),local("STKaiti");font-display:swap}
:root{--paper:#faf8f3;--ink:#32251e;--muted:#81766a;--line:#e7dfd3;--orange:#de702e;--jade:#377872;--serif:ArchiveSerif,"Noto Serif SC","Songti SC",SimSun,serif;--sans:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;color:var(--ink);background:var(--paper);font:14px/1.6 var(--sans);-webkit-font-smoothing:antialiased}button,input,a{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{font:inherit;cursor:pointer;color:inherit;border:0}button:disabled{cursor:wait;opacity:.5}a{color:inherit;text-decoration:none}button,summary,a,input{outline-offset:6px}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,#stage:focus-visible{outline:2px solid var(--jade)}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.45;stroke-linecap:round;stroke-linejoin:round;flex:none}.symbols,.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip-link{position:fixed;top:-100px;left:20px;padding:12px;background:var(--ink);color:white;z-index:99}.skip-link:focus{top:10px}
.site-header{height:106px;max-width:1600px;margin:auto;padding:0 5.1%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:28px}.brand{display:flex;gap:14px;align-items:center;font-family:var(--serif);font-size:23px;letter-spacing:4px;font-weight:600}.brand-seal{background:var(--orange);color:var(--paper);width:44px;height:48px;display:grid;place-items:center;border-radius:3px 3px 13px 3px;font:30px var(--serif);letter-spacing:0;position:relative}.brand-seal:after{content:"";position:absolute;inset:4px;border:1px solid #faf8f36b;border-radius:1px 1px 9px 1px}.brand small{display:block;font:8px/2.2 var(--sans);letter-spacing:2.5px}.site-header nav{display:flex;gap:40px;font-size:12px;letter-spacing:2px}.site-header nav a{padding:14px 0;position:relative;color:var(--muted)}.site-header nav .nav-active{color:var(--ink)}.nav-active:after{position:absolute;content:"";bottom:1px;left:50%;width:4px;height:4px;border-radius:50%;background:var(--orange)}.header-edition{font-size:9px;letter-spacing:2px;color:var(--muted)}.header-edition span{display:block;text-align:right;font:17px/1.8 Georgia,serif;letter-spacing:2px;color:var(--ink)}main{max-width:1600px;margin:auto}
.showcase{display:grid;grid-template-columns:minmax(210px,1fr) minmax(340px,1.9fr) minmax(220px,.9fr);gap:32px;padding:50px 5.1% 70px;align-items:center;min-height:770px}.intro{position:relative;padding:12px 0 20px;align-self:center;isolation:isolate}.eyebrow{font-size:9px;font-weight:500;letter-spacing:2.1px;color:var(--muted)}.intro>.eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 27px}.small-rule{width:22px;height:1px;background:var(--orange)}h1{font-family:var(--serif);font-size:clamp(68px,6.4vw,106px);font-weight:500;line-height:1.18;letter-spacing:9px;margin:0 0 28px;position:relative;white-space:nowrap}h1 span{margin-left:36px}h1 i{font-style:normal;position:absolute;bottom:0;right:0;font-size:40px;color:var(--orange)}.intro-poem{font:19px var(--serif);letter-spacing:2px;margin:0 0 19px}.intro-copy{font-size:12px;line-height:2.1;color:var(--muted);letter-spacing:.8px}.text-button{background:transparent;padding:13px 0;margin-top:10px;display:flex;align-items:center;gap:38px;font-size:11px;letter-spacing:2px;border-bottom:1px solid var(--orange)}.text-button svg{width:18px;transition:transform .2s}.text-button:hover svg{transform:translateX(5px)}.edition-note{margin-top:60px;display:flex;flex-direction:column;gap:8px}.edition-note>span{font:italic 26px Georgia,serif;letter-spacing:.5px}.edition-note small{font-size:9px;letter-spacing:2px;color:var(--muted)}.tiger-decoration{position:absolute;z-index:-1;width:175px;height:225px;left:-60px;bottom:-21px;fill:#a8876010;stroke:none;transform:rotate(-14deg);pointer-events:none}
.card-display{min-width:0;align-self:center}.display-top{display:flex;justify-content:space-between;font-size:9px;letter-spacing:1.2px;color:var(--muted);padding:0 22px}.display-top>span:first-child{display:flex;align-items:center;gap:7px}.display-top i{width:4px;height:4px;border-radius:50%;background:var(--jade)}#state-readout{font-size:8px;color:var(--jade);min-width:100px;text-align:right}.stage-wrap{position:relative;height:594px;isolation:isolate}.orbit{z-index:-2;position:absolute;width:92%;aspect-ratio:1;border:1px solid #e9e2d7;border-radius:50%;left:4%;top:14%}.orbit:before{content:"";position:absolute;inset:18px;border:1px solid #eee7dd;border-radius:50%}.orbit:after{content:"";position:absolute;left:-4px;top:50%;width:7px;height:7px;border:1px solid #bb9c78;transform:rotate(45deg);background:var(--paper)}.orbit-label{position:absolute;right:-1px;top:48%;writing-mode:vertical-rl;letter-spacing:2.6px;font-size:7px;color:#b1a595;z-index:-1}.card-shadow{position:absolute;bottom:25px;left:28%;width:44%;height:18px;border-radius:50%;background:#533114;filter:blur(18px);opacity:.18;z-index:-1}#stage{position:absolute;inset:0;touch-action:pan-y;cursor:grab;border-radius:10px}#stage:active{cursor:grabbing}#stage canvas{display:block;width:100%;height:100%}#loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px;color:var(--muted);font-size:11px;letter-spacing:2px}#loading.error{padding:32px;text-align:center;background:var(--paper)}.loading-seal{font:40px var(--serif);color:var(--orange);animation:breathe 1.4s ease-in-out infinite}.loading-seal+span{font-size:10px}.angle-control{display:flex;gap:16px;align-items:center;max-width:260px;margin:2px auto 0}.angle-control span,.angle-control output{font-size:9px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:29px;white-space:nowrap}.angle-control output{color:var(--orange);text-align:right}
input[type=range]{appearance:none;-webkit-appearance:none;width:100%;height:18px;background:transparent;cursor:pointer;margin:0;accent-color:var(--orange);touch-action:pan-y}input[type=range]::-webkit-slider-runnable-track{height:2px;background:#ded5c7;border-radius:2px}input[type=range]::-moz-range-track{height:2px;background:#ded5c7}input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:9px;height:9px;background:var(--orange);border:2px solid var(--paper);box-shadow:0 0 0 1px var(--orange);border-radius:50%;margin-top:-3.5px}input[type=range]::-moz-range-thumb{width:8px;height:8px;background:var(--orange);border:2px solid var(--paper);border-radius:50%}#gesture-hint{font-size:9px;letter-spacing:.8px;color:#92887d;text-align:center;margin:13px 0 0}.hint-dot{padding:0 8px}.mobile-hint,.mobile-compare{display:none}
.controls{padding:5px 0 0;min-width:0;max-width:265px;width:100%;justify-self:end}.control-heading{border-top:1px solid var(--line);padding-top:23px}.control-heading>.eyebrow{font-size:8px;letter-spacing:1.6px}.control-heading h2{font:28px/1.75 var(--serif);margin:13px 0 26px;letter-spacing:3px}.control-heading em{display:block;font-size:17px;font-style:normal;letter-spacing:3px;color:var(--muted)}.state-switch{display:grid;grid-template-columns:1fr 1fr;border:1px solid #dfd5c6;border-radius:3px;overflow:hidden}.state-switch button{background:transparent;text-align:left;padding:12px 13px 10px;position:relative;transition:background .2s}.state-switch button:first-child{border-right:1px solid #dfd5c6}.state-switch button>span{font:italic 11px Georgia,serif;color:#a19789;position:absolute;right:10px;top:10px}.state-switch strong{font:18px var(--serif);letter-spacing:2px}.state-switch small{display:block;font-size:6px;letter-spacing:1.2px;color:var(--muted);margin-top:6px}.state-switch button[aria-pressed=true]{background:#f1e2ce}.state-switch button[aria-pressed=true]:after{content:"";width:12px;height:2px;position:absolute;bottom:0;left:13px;background:var(--orange)}#state-caption{font-size:10px;color:var(--muted);letter-spacing:.5px;min-height:19px;margin:12px 0 24px}.primary-button{display:flex;align-items:center;gap:10px;background:var(--ink);color:#fff7e9;width:100%;padding:14px 16px;border-radius:3px;font-size:11px;letter-spacing:2px;transition:background .2s}.primary-button:hover{background:#624233}.primary-button svg{width:16px;height:16px}.button-plus{margin-left:auto;font-size:17px;line-height:1}.secondary-actions{display:grid;grid-template-columns:1.4fr 1fr;gap:9px;margin-top:9px}.secondary-actions button{display:flex;justify-content:center;align-items:center;gap:7px;background:transparent;border:1px solid var(--line);padding:10px 3px;font-size:10px;letter-spacing:.7px;border-radius:3px}.secondary-actions button:hover{background:#eee6da}.secondary-actions svg{width:15px;height:15px}.finish-controls{margin-top:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.finish-controls summary{display:flex;justify-content:space-between;list-style:none;font-size:10px;letter-spacing:1px;cursor:pointer;padding:13px 0}.finish-controls summary::-webkit-details-marker{display:none}.finish-controls summary span{color:var(--muted)}.finish-controls[open] summary span{transform:rotate(45deg)}.finish-inner{padding:2px 3px 17px}.finish-inner label{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:9px}.save-button{display:flex;gap:8px;align-items:center;justify-content:center;background:transparent;width:100%;font-size:10px;letter-spacing:1px;margin:19px 0 0;padding:8px}.save-button svg{width:14px;height:14px}.save-button:hover{color:var(--orange)}.control-footnote{font-size:8px;color:#a69b8b;letter-spacing:.5px;text-align:center;margin:13px 0 0}
.landscape{margin:0 5.1% 70px}.section-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;font-size:9px;letter-spacing:2px;color:var(--muted)}.section-label>span:first-child{font-size:8px}.landscape-image{position:relative;height:390px;overflow:hidden;border-radius:3px;background:#334d48}.landscape-image>img{width:100%;height:100%;object-fit:cover;object-position:50% 49%;display:block}.landscape-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#132c29cc 0%,#1729236b 32%,transparent 66%)}.landscape-copy{position:absolute;z-index:1;left:5%;top:16%;color:#fff5dd}.landscape-copy .eyebrow{font-size:9px;color:#ead8b5;letter-spacing:3px}.landscape-copy h2{font:40px var(--serif);letter-spacing:6px;margin:17px 0 18px}.landscape-copy p{font-size:11px;line-height:2.1;letter-spacing:1px;color:#ede5d3}.landscape-download{display:inline-flex;align-items:center;gap:27px;border-bottom:1px solid #c2b28e;padding:14px 0 10px;margin-top:16px;font-size:10px;letter-spacing:1px}.landscape-download svg{width:14px;height:14px}footer{max-width:1436px;margin:0 auto;padding:26px 0 32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:8px;letter-spacing:1.4px;color:var(--muted);width:89.8%}.footer-brand{font:14px var(--serif);color:var(--ink);letter-spacing:2px}.footer-brand b{color:var(--orange);padding:0 8px;font-size:10px}footer>span:last-child{font:italic 13px Georgia,serif}footer i{color:var(--orange);margin-left:16px;font-style:normal}
dialog{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:28px;width:min(820px,94vw);max-height:94dvh;overflow:auto;color:var(--ink)}dialog::backdrop{background:#24180fd9;backdrop-filter:blur(8px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.dialog-head h2{font:25px/1.5 var(--serif);margin:8px 0 0;letter-spacing:2px}.icon-button{background:transparent;padding:8px;display:grid;place-items:center}.comparison-pair{display:grid;grid-template-columns:1fr 1fr;gap:24px}.comparison-pair figure{margin:0;min-width:0}.comparison-pair img{display:block;width:100%;height:auto;max-height:64dvh;object-fit:contain;border-radius:5px}.comparison-pair figcaption{display:flex;justify-content:space-between;align-items:center;margin-top:14px;gap:8px}.comparison-pair strong{font:16px var(--serif)}.comparison-pair figcaption span{font-size:9px;color:var(--muted)}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:#fff5df;padding:11px 22px;border-radius:3px;opacity:0;pointer-events:none;transition:.25s;z-index:100;font-size:11px;white-space:nowrap}.toast.visible{opacity:1;transform:translate(-50%,0)}.fallback-card{display:block;max-height:90%;max-width:90%;margin:auto;object-fit:contain}.is-ready .intro,.is-ready .controls{animation:reveal .8s ease-out both}.is-ready .controls{animation-delay:.13s}@keyframes reveal{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes breathe{50%{opacity:.3;transform:scale(.94)}}
@media(min-width:1600px){.showcase{gap:45px}.stage-wrap{height:650px}}
@media(max-width:1150px){.site-header{padding:0 4%}.showcase{gap:20px;padding:42px 4% 58px;grid-template-columns:minmax(175px,.85fr) minmax(300px,1.6fr) minmax(180px,.85fr)}h1{font-size:75px;letter-spacing:4px}h1 span{margin-left:18px}h1 i{font-size:28px;right:2px}.intro-poem{font-size:16px;letter-spacing:1px}.intro-copy{font-size:11px}.stage-wrap{height:540px}.control-heading h2{font-size:25px}.control-heading>.eyebrow{font-size:7px;letter-spacing:1px}.landscape{margin:0 4% 50px}.control-footnote{font-size:7px}}
@media(max-width:900px){.site-header{height:88px;padding:0 6%}.site-header nav{gap:24px}.header-edition{display:none}.showcase{grid-template-columns:1fr 1.4fr;gap:24px 36px;padding:40px 6% 55px;min-height:auto}.intro{padding:0 0 15px}.intro>.eyebrow{margin-bottom:20px}h1{font-size:84px;letter-spacing:8px}.edition-note{margin-top:32px}.card-display{grid-row:span 2}.stage-wrap{height:580px}.controls{max-width:none;justify-self:stretch}.control-heading{display:none}.control-footnote{font-size:8px}.finish-controls{margin-top:16px}.landscape{margin:0 6% 44px}.landscape-image{height:330px}.landscape-copy{top:13%}footer{width:88%}.comparison-pair figcaption{flex-direction:column;align-items:flex-start}}
@media(max-width:620px){.site-header{height:82px;gap:10px;padding:0 6%}.brand{font-size:19px;gap:10px;letter-spacing:3px}.brand-seal{width:34px;height:39px;font-size:24px}.brand small{font-size:6px;letter-spacing:1.9px}.site-header nav{gap:18px;font-size:10px;letter-spacing:.5px}.showcase{display:flex;flex-direction:column;padding:29px 6% 45px;gap:0;align-items:stretch}.intro{display:grid;grid-template-columns:1fr auto;align-items:end;align-self:stretch;padding:0;margin-bottom:27px}.intro>.eyebrow{grid-column:1/-1;font-size:8px;margin-bottom:10px;letter-spacing:1.5px}h1{font-size:43px;letter-spacing:4px;line-height:1.2;margin:0;grid-column:1}h1 br{display:none}h1 span{margin-left:0}h1 i{position:static;font-size:28px}.intro-poem{font-size:13px;margin:12px 0 0;grid-column:1;grid-row:3;letter-spacing:1px}.intro-copy,.intro .text-button{display:none}.edition-note{grid-column:2;grid-row:2/4;margin:0 0 2px;text-align:right;gap:5px}.edition-note>span{font-size:19px}.edition-note small{font-size:7px;letter-spacing:1px}.tiger-decoration{width:94px;height:118px;left:auto;right:0;bottom:-28px;opacity:.7}.card-display{width:100%}.display-top{padding:0 6px;font-size:8px}.stage-wrap{height:500px;margin:0 -12px}.orbit{top:18%;width:100%;left:0}.orbit-label{right:0;font-size:6px}.angle-control{max-width:240px;margin-top:0}#gesture-hint{font-size:8px;margin-top:12px}.mobile-hint{display:inline}.desktop-hint{display:none}.controls{padding:0;margin-top:32px;max-width:none}.state-switch button{padding:12px 16px}.state-switch strong{font-size:20px}.state-switch small{display:inline;margin-left:10px;font-size:7px}.state-switch button>span{top:15px;right:15px}.state-switch button[aria-pressed=true]:after{left:16px}#state-caption{text-align:center;margin:10px 0 20px;font-size:10px}.primary-button{justify-content:center}.button-plus{margin-left:14px}.secondary-actions{grid-template-columns:1fr 1fr}.secondary-actions button{padding:12px}.control-footnote{display:none}.save-button{margin-top:13px}.mobile-compare{display:block;background:transparent;font-size:10px;letter-spacing:1px;color:var(--jade);padding:8px;width:100%;margin-top:5px}.landscape{margin:0 6% 36px}.section-label{font-size:8px;letter-spacing:1px;margin-bottom:14px}.section-label>span:first-child{font-size:7px}.landscape-image{height:340px}.landscape-image>img{object-position:62% 50%}.landscape-image:after{background:linear-gradient(90deg,#102822c9,#15292140)}.landscape-copy{left:8%;top:14%}.landscape-copy h2{font-size:34px}.landscape-copy p{font-size:10px}.landscape-download{margin-top:10px}footer{padding:23px 0;flex-wrap:wrap;gap:16px}.footer-brand{font-size:13px}footer>span:nth-child(2){order:3;width:100%;font-size:7px}dialog{padding:20px 16px}.dialog-head h2{font-size:19px;letter-spacing:1px}.comparison-pair{gap:12px}.comparison-pair strong{font-size:15px}.comparison-pair figcaption span{font-size:8px}.comparison-pair figcaption{gap:3px}.dialog-head .eyebrow{font-size:7px}}
@media(max-width:370px){.intro{grid-template-columns:1fr}h1{font-size:36px;grid-column:1;grid-row:2}.intro-poem{grid-row:3}.edition-note{grid-column:1;grid-row:4;flex-direction:row;justify-content:space-between;align-items:center;margin:14px 0 0;text-align:left}.stage-wrap{height:440px}.site-header nav{gap:10px}.brand{font-size:17px}.edition-note>span{font-size:17px}.state-switch small{font-size:6px;margin-left:5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}