/* Commerce layer extends the original PIKI visual system. */
.demo-switch{display:flex;gap:8px;padding:0 0 16px;border-bottom:1px solid var(--pk-line);margin-bottom:16px}
.demo-switch button{flex:1;padding:12px 10px;border:1px solid var(--pk-ink);border-radius:9px;background:transparent;font:750 13px/1.3 "Avenir Next","PingFang SC",sans-serif;cursor:pointer}
.demo-switch button[aria-selected=true]{background:var(--pk-ink);color:var(--pk-paper)}
.detail-demo{margin:0}.demo-video-frame{aspect-ratio:16/9;background:var(--pk-ink);border-radius:10px;overflow:hidden}
.demo-video-frame video{display:block;width:100%;height:100%;object-fit:contain;aspect-ratio:16/9}
.detail-demo figcaption{padding:20px 4px 5px}.detail-demo figcaption>div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.detail-demo figcaption strong{font-size:19px;line-height:1.4}.detail-demo figcaption span{font-size:11px;color:var(--pk-muted)}
.detail-demo figcaption p,.legacy-note{font-size:12px;line-height:1.7;color:var(--pk-muted)}.detail-demo figcaption a{font-size:12px;text-underline-offset:4px}.video-error{color:#a73818!important}
.legacy-demo-cover{position:relative;border-radius:9px;overflow:hidden;aspect-ratio:3/4;background:var(--pk-ink)}.legacy-demo-cover img{width:100%;height:100%;object-fit:contain;display:block}
.legacy-demo-cover>span{position:absolute;left:12px;bottom:12px;padding:8px 10px;background:var(--pk-paper);color:var(--pk-ink);font-size:11px;border:1px solid var(--pk-ink);border-radius:7px}
.legacy-label{margin:15px 8px 0;color:var(--pk-orange-dark);font-size:10px;font-weight:750}.legacy-demo-card h3{margin-top:10px}.legacy-arrow{font-size:23px!important;color:var(--pk-ink)!important}
.legacy-graphic{padding:28px;border-radius:10px;color:var(--pk-paper)}.legacy-graphic>span{font:11px monospace;opacity:.7}.legacy-graphic>h2{font-size:35px;line-height:1.2;letter-spacing:-.04em;margin:25px 0}
.legacy-graphic>article{display:flex;align-items:start;gap:18px;padding:18px 0;border-top:1px solid rgba(255,248,238,.25)}.legacy-graphic>article>b{font:12px monospace;opacity:.6}.legacy-graphic h3{font-size:20px;margin:0 0 8px}.legacy-graphic p{font-size:14px;line-height:1.7;margin:0;opacity:.85}
.legacy-other{padding-top:35px}.legacy-other h2{font-size:27px}
@media(max-width:1050px){.legacy-demo-cover{aspect-ratio:4/3}}
@media(max-width:680px){.demo-switch button{font-size:12px;padding:11px 8px}.detail-demo figcaption strong{font-size:17px}.legacy-demo-cover{aspect-ratio:16/10}.legacy-graphic{padding:22px}.legacy-graphic>h2{font-size:28px}.legacy-graphic h3{font-size:18px}.detail-demo figcaption{padding:16px 3px}}
.detail-buy h1,.sample-cover>strong{text-wrap:balance}
.mobile-buy-bar{display:none}
.detail-work,.detail-buy,.sample-cover{min-width:0}
@media(max-width:680px){.detail-grid{grid-template-columns:minmax(0,1fr)!important}.cover-large{aspect-ratio:auto!important;min-height:340px;width:100%}.sample-controls a{max-width:140px}.detail-tabs{gap:20px!important}}
@media(max-width:680px){.shop-hero .pk-hero-copy h1{font-size:clamp(39px,12vw,48px)!important}.mobile-buy-bar{position:fixed;bottom:0;left:0;right:0;z-index:40;background:var(--pk-paper);border-top:2px solid var(--pk-ink);padding:12px 18px max(12px,env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:space-between;gap:20px}.mobile-buy-bar strong{font-size:28px}.mobile-buy-bar button{min-height:42px}.mobile-buy-bar small{font-size:10px}body[data-view=product]{padding-bottom:88px}}
:root{--shop-teal:#167d75}body{background:var(--pk-orange)}button,a,input{touch-action:manipulation}button:focus-visible,a:focus-visible{outline:3px solid var(--shop-teal);outline-offset:4px}[id]{scroll-margin-top:90px}#previewNotice{position:relative;z-index:60;text-align:center;padding:7px;background:var(--pk-ink);color:var(--pk-paper);font-size:11px}.pk-nav nav a{opacity:1}.pk-nav .my-nav{background:var(--pk-ink);color:var(--pk-paper);padding:12px 17px;border-radius:10px}.shop-shell{width:min(1240px,calc(100% - 64px));margin:auto}.shop-primary,.shop-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:49px;padding:12px 20px;border:2px solid var(--pk-ink);border-radius:12px;font-size:14px;font-weight:800;text-decoration:none;cursor:pointer;text-align:center}.shop-primary{background:var(--pk-ink);color:var(--pk-paper);box-shadow:5px 6px 0 rgba(255,248,238,.4)}.shop-secondary{background:var(--pk-paper);color:var(--pk-ink)}.shop-primary:hover,.shop-secondary:hover{transform:translateY(-2px)}.shop-hero{display:block;min-height:660px}.shop-hero .pk-hero-inner{padding:65px 0 78px;gap:80px;min-height:650px}.shop-hero .pk-hero-copy h1{font-size:clamp(56px,6.5vw,94px);line-height:1.06;letter-spacing:-.055em}.shop-hero .pk-sales-line{font-size:21px;font-weight:650;line-height:1.75;margin:24px 0}.hero-caption{font-size:12px;opacity:.68;margin-top:24px}.shop-hero .pk-piki-stage{min-height:450px}.shop-hero .pk-piki{width:100px;height:96px;top:-35px;left:86%;z-index:9;box-shadow:7px 8px var(--pk-ink)}.shop-hero .pk-eye{top:27px;width:11px;height:30px}.shop-hero .pk-eye-left{left:28px}.shop-hero .pk-eye-right{right:28px}.piki-showcase{display:block;position:relative;top:66px;text-decoration:none;background:var(--pk-paper);border:2px solid var(--pk-ink);border-radius:18px;box-shadow:10px 12px var(--pk-ink);overflow:hidden;transform:rotate(-2deg);transition:transform .3s}.piki-showcase:hover{transform:rotate(0)}.showcase-bar{display:flex;align-items:center;gap:6px;padding:14px 17px;border-bottom:1px solid var(--pk-line);font:10px monospace}.showcase-bar span{margin-right:auto}.showcase-bar i{width:7px;height:7px;border-radius:50%;background:var(--pk-orange)}.piki-showcase footer{padding:18px 20px;display:flex;justify-content:space-between;gap:10px;font-size:12px}.piki-showcase .sample-cover{min-height:265px;aspect-ratio:auto;margin:12px;border:1px solid var(--pk-line);border-radius:9px}.sample-cover{display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;aspect-ratio:4/3;padding:22px;background:#345649;color:#fff8ee;border-radius:9px}.sample-cover:after{content:"";position:absolute;width:200px;height:200px;border:35px solid currentColor;border-radius:50%;right:-85px;top:-80px;opacity:.1;pointer-events:none}.sample-cover>span{font:10px monospace;opacity:.8}.sample-cover>strong{font-size:clamp(24px,2.7vw,38px);line-height:1.15;letter-spacing:-.04em;max-width:90%;margin:25px 0}.sample-cover>small{font:9px monospace;opacity:.6;margin-top:15px}.scene-content{background:#9a4531}.scene-launch{background:#345649}.scene-business{background:#434666}.scene-brand{background:#8a6336}.sample-pages{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.sample-pages>div{background:rgba(255,255,255,.1);padding:9px;border:1px solid rgba(255,255,255,.22);border-radius:4px;min-width:0}.sample-pages b{font:9px monospace;opacity:.6}.sample-pages p{font-size:10px;line-height:1.35;margin:6px 0 0}.shop-collection{padding:88px 0;background:var(--pk-paper);border-block:2px solid var(--pk-ink)}.collection-heading{display:flex;justify-content:space-between;align-items:end;gap:40px}.collection-heading h2,.shop-how h2,.shop-pricing h2,.shop-faq h2,.detail-start h2,.account-heading h1{font-size:clamp(36px,4.5vw,62px);line-height:1.07;letter-spacing:-.05em;margin:0}.collection-heading>p{color:var(--pk-muted);font-size:15px;line-height:1.7}.scene-filters{display:flex;flex-wrap:wrap;gap:9px;margin:35px 0 30px}.scene-filters button{padding:10px 16px;border:1px solid var(--pk-ink);border-radius:8px;font-size:12px;background:transparent;cursor:pointer;font-weight:750}.scene-filters button[aria-pressed=true]{background:var(--pk-ink);color:var(--pk-paper)}.shop-shelf{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.shop-card{background:var(--pk-paper);border:2px solid var(--pk-ink);padding:9px;border-radius:14px;box-shadow:5px 6px var(--pk-ink);transition:transform .2s}.shop-card:hover{transform:translateY(-5px)}.shop-card>a{text-decoration:none;display:flex;height:100%;flex-direction:column}.shop-card .sample-cover{aspect-ratio:3/4}.shop-card .sample-cover>strong{font-size:28px}.shop-card .sample-pages{grid-template-columns:1fr}.shop-card .sample-pages>div:nth-child(n+2){display:none}.shop-card h3{font-size:22px;line-height:1.2;margin:19px 8px 8px;letter-spacing:-.04em}.shop-card>a>p{font-size:12px;line-height:1.6;color:var(--pk-muted);margin:0 8px 15px}.shop-card footer{margin:auto 8px 8px;padding-top:10px;display:flex;justify-content:space-between;align-items:center;gap:7px}.shop-card footer strong{color:var(--pk-orange-dark);font-size:25px}.shop-card footer span{font-size:10px}.catalog-status{font-size:12px;color:var(--pk-muted);margin-top:30px}.shop-how{padding:90px 0;display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.shop-how p{font-size:16px;line-height:1.75}.process-example{display:grid;justify-items:center;gap:20px;padding:50px 35px;background:var(--pk-paper);border:2px solid var(--pk-ink);border-radius:18px;box-shadow:8px 9px var(--pk-ink)}.process-example strong{text-align:center;font-size:28px;line-height:1.3}.shop-pricing{border-top:1px solid var(--pk-line);padding:80px 0;display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:22px;align-items:stretch}.shop-pricing h2{font-size:42px}.shop-pricing>div>p{max-width:280px;line-height:1.6}.shop-pricing article{display:flex;flex-direction:column;padding:30px;background:var(--pk-paper);border:2px solid var(--pk-ink);border-radius:16px;box-shadow:6px 7px var(--pk-ink)}.shop-pricing article>span{font-size:13px;font-weight:800}.shop-pricing article>strong{font-size:57px;letter-spacing:-.06em;margin:22px 0}.shop-pricing strong small{font-size:12px;letter-spacing:0}.shop-pricing article p{font-size:12px;line-height:1.75;margin:0 0 25px}.shop-pricing article .shop-primary,.shop-pricing article .shop-secondary{margin-top:auto}.shop-pricing .price-annual{background:var(--pk-ink);color:var(--pk-paper)}.price-annual .shop-primary{background:var(--pk-orange);color:var(--pk-ink);box-shadow:none}.shop-faq{padding:20px 0 80px}.shop-faq h2{font-size:32px;margin-bottom:30px}.shop-faq details{border-top:1px solid var(--pk-line);padding:18px 0}.shop-faq summary{cursor:pointer;font-weight:700}.shop-faq details p{max-width:820px;line-height:1.8}.detail-page{padding:30px 0 80px}.back-link{display:inline-block;margin:0 0 25px;font-size:13px;text-decoration:none}.detail-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:30px;align-items:start}.detail-work,.detail-buy{border:2px solid var(--pk-ink);background:var(--pk-paper);padding:19px;border-radius:18px;box-shadow:7px 8px var(--pk-ink)}.cover-large{aspect-ratio:4/3;min-height:430px;padding:38px}.cover-large>strong{font-size:clamp(32px,4.2vw,64px);max-width:96%}.cover-large .sample-pages p{font-size:13px}.sample-controls{display:flex;gap:13px;align-items:center;padding:20px 2px}.sample-controls button{border:1px solid var(--pk-line);background:transparent;border-radius:6px;width:36px;height:34px;cursor:pointer}.sample-controls span{font-size:12px}.sample-controls a{margin-left:auto;font-size:12px;text-underline-offset:5px}.detail-tabs{display:flex;gap:30px;border-top:1px solid var(--pk-line);padding:18px 5px 0;font-size:13px}.detail-tabs a{text-decoration:none}.detail-buy{padding:32px;position:sticky;top:95px}.detail-buy>span{color:var(--pk-orange-dark);font-size:12px;font-weight:800}.detail-buy h1{font-size:34px;line-height:1.2;letter-spacing:-.05em;margin:20px 0 15px}.detail-buy>p{font-size:14px;line-height:1.7;color:var(--pk-muted)}.detail-price{display:block;font-size:58px;color:var(--pk-orange-dark);margin:25px 0}.detail-buy .shop-primary,.detail-buy .shop-secondary{width:100%;margin-bottom:12px}.owned-link{display:block;font-weight:800;text-align:center;padding:18px}.requirements{margin-top:20px;padding-top:20px;border-top:1px solid var(--pk-line);font-size:12px}.requirements p{color:var(--pk-muted);line-height:1.6}.detail-info{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding:65px 0;border-bottom:1px solid var(--pk-line)}.detail-info span{font-size:12px;font-weight:800}.detail-info h2{font-size:27px;max-width:550px;line-height:1.5}.detail-info ul{padding-left:20px;line-height:2}.detail-start{padding:60px 0}.detail-start h2{font-size:39px}.detail-start ol{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:40px 0}.detail-start li>b{font:13px monospace}.detail-start h3{font-size:21px}.detail-start li p{font-size:14px;line-height:1.7}.detail-start blockquote{margin:30px 0 20px;padding:23px;border:2px solid var(--pk-ink);border-radius:12px;background:var(--pk-paper);line-height:1.8}.source-info{border-top:1px solid var(--pk-line);padding-top:20px}.source-info summary{cursor:pointer}.source-info p{font-size:13px;line-height:1.8}.buy-dialog{width:min(460px,calc(100% - 32px));max-height:90svh;border:2px solid var(--pk-ink);border-radius:18px;padding:32px;background:var(--pk-paper);box-shadow:10px 12px var(--pk-ink);color:var(--pk-ink);overflow:auto}.buy-dialog::backdrop{background:rgba(23,17,13,.65);backdrop-filter:blur(6px)}.dialog-close{position:absolute;right:16px;top:13px;background:none;border:0;font-size:25px;cursor:pointer}.buy-dialog>span{font:10px monospace;letter-spacing:.12em;color:var(--pk-muted)}.buy-dialog h2{font-size:30px;letter-spacing:-.04em}.buy-dialog>strong{display:block;font-size:51px;margin:20px 0}.buy-dialog form{display:grid;gap:10px}.buy-dialog label,.account-login label{font-size:12px;font-weight:800}.buy-dialog input,.account-login input{height:49px;min-width:0;width:100%;padding:0 13px;background:white;border:1px solid var(--pk-line);border-radius:8px}.buy-dialog small{font-size:10px;color:var(--pk-muted);line-height:1.6}.buy-dialog #purchaseStatus{font-size:13px;line-height:1.5}.buy-dialog button:disabled{opacity:.55;cursor:wait}#paymentQr{width:190px;margin:20px auto}#paymentPanel a{display:block;margin:15px 0;text-align:center}.account-page{padding:65px 0;min-height:75vh}.account-heading{display:flex;justify-content:space-between;align-items:center;gap:30px}.account-heading span{font:10px monospace}.account-heading h1{margin:15px 0}.account-login{margin:45px 0;max-width:650px;background:var(--pk-paper);border:2px solid var(--pk-ink);border-radius:18px;padding:35px;box-shadow:7px 8px var(--pk-ink)}.account-login h2{font-size:26px;line-height:1.4}.account-login p{font-size:14px;line-height:1.7}.account-login form{display:grid;gap:12px}.account-summary{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin:40px 0;border-block:1px solid var(--pk-line);padding:20px 0;font-size:14px}.account-summary button{margin-left:auto;border:0;background:none;text-decoration:underline;cursor:pointer}.owned-card{display:grid;grid-template-columns:200px 1fr auto;gap:30px;align-items:center;margin:22px 0;padding:22px;background:var(--pk-paper);border:2px solid var(--pk-ink);border-radius:16px;box-shadow:6px 7px var(--pk-ink)}.owned-card h2{font-size:26px}.owned-card p{font-size:13px;line-height:1.6}.owned-card .sample-cover{min-height:160px}.owned-card .sample-cover>strong{font-size:24px}.owned-card .sample-pages{display:none}.owned-actions{display:grid;gap:9px}.owned-card details{grid-column:1/-1;border-top:1px solid var(--pk-line);padding:15px 0}.owned-card summary{cursor:pointer}.owned-card pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#eee3d5;padding:15px;border-radius:9px;font-size:12px}.owned-feedback{display:flex;gap:12px;flex-wrap:wrap;margin-top:15px}.owned-feedback button{font-size:12px;cursor:pointer;border:1px solid var(--pk-line);background:none;padding:9px;border-radius:7px}#accountStatus{font-size:14px}body,button,input{font-family:"Avenir Next","PingFang SC",system-ui,sans-serif}h1,h2,h3,p,strong{overflow-wrap:anywhere}.shop-status{font-size:12px}.sample-copy{font-size:clamp(16px,2vw,25px);line-height:1.7;white-space:pre-line}
@media(max-width:1050px){.pk-nav nav a{display:block}.shop-hero .pk-hero-inner{grid-template-columns:1fr 1fr;gap:30px}.shop-hero .pk-hero-copy h1{font-size:62px}.shop-shelf{grid-template-columns:repeat(2,minmax(0,1fr))}.shop-card .sample-cover{aspect-ratio:4/3}.shop-pricing{grid-template-columns:1fr 1fr}.shop-pricing>div{grid-column:1/-1}.detail-grid{grid-template-columns:1fr 1fr;gap:20px}.detail-buy{padding:22px}.cover-large{min-height:360px}.detail-buy h1{font-size:29px}.shop-how{gap:35px}}
@media(max-width:680px){.shop-shell{width:calc(100% - 36px)}.pk-nav{padding-inline:18px}.pk-nav nav{gap:13px;font-size:10px}.pk-nav nav a:nth-child(2){display:none}.pk-nav .my-nav{padding:9px 10px}.shop-hero .pk-hero-inner{grid-template-columns:1fr;padding:42px 0 45px;gap:30px}.shop-hero .pk-hero-copy h1{font-size:58px;line-height:1.03}.shop-hero .pk-sales-line{font-size:17px}.shop-hero .pk-hero-actions{flex-direction:row;gap:10px}.shop-primary,.shop-secondary{padding:11px 14px;font-size:12px}.shop-hero .pk-piki-stage{min-height:375px;margin-top:15px}.shop-hero .pk-piki{width:80px;height:78px;top:-23px;left:91%}.shop-hero .pk-eye{top:23px;width:9px;height:26px}.shop-hero .pk-eye-left{left:22px}.shop-hero .pk-eye-right{right:22px}.piki-showcase{top:50px}.piki-showcase .sample-cover{min-height:230px}.shop-collection{padding:57px 0}.collection-heading{align-items:start;flex-direction:column;gap:12px}.collection-heading h2{font-size:42px}.collection-heading p{font-size:13px}.scene-filters{gap:7px;margin:25px 0}.scene-filters button{padding:9px 11px;font-size:11px}.shop-shelf{grid-template-columns:1fr;gap:25px}.shop-card .sample-cover{aspect-ratio:1.25}.shop-card .sample-pages{grid-template-columns:repeat(3,1fr)}.shop-card .sample-pages>div:nth-child(n+2){display:block}.shop-how{grid-template-columns:1fr;gap:30px;padding:60px 0}.shop-how h2{font-size:42px}.process-example{padding:32px 22px}.process-example strong{font-size:24px}.shop-pricing{padding:55px 0;grid-template-columns:1fr;gap:25px}.shop-pricing>div{grid-column:auto}.shop-pricing h2{font-size:38px}.shop-faq{padding-bottom:55px}.detail-grid{grid-template-columns:1fr;gap:25px}.detail-work{padding:11px}.cover-large{min-height:340px;padding:25px}.cover-large>strong{font-size:40px}.cover-large .sample-pages p{font-size:10px}.sample-controls{gap:8px}.sample-controls a{font-size:10px}.detail-buy{position:static;padding:26px}.detail-buy h1{font-size:32px}.detail-info{grid-template-columns:1fr;gap:22px;padding:45px 0}.detail-start{padding:40px 0}.detail-start h2{font-size:31px}.detail-start ol{grid-template-columns:1fr;gap:20px}.account-heading{align-items:start;flex-direction:column}.account-heading h1{font-size:44px}.account-login{padding:24px}.owned-card{grid-template-columns:1fr;padding:18px;gap:10px}.owned-card details{grid-column:auto}.owned-actions{grid-template-columns:1fr 1fr}.account-summary{font-size:12px}.buy-dialog{padding:27px}.pk-footer>div:last-child{font-size:10px}}
.sample-cover.curated-cover{position:relative;overflow:hidden;background:#15120f;padding:22px;min-height:320px;color:#f0dfc0;isolation:isolate}.sample-cover.curated-cover>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:72% center;z-index:-2}.sample-cover.curated-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(21,18,15,.12) 35%,rgba(21,18,15,.9));z-index:-1}.sample-cover.curated-cover>span{align-self:flex-start;background:#15120f;color:#f0dfc0;padding:7px 9px;font-size:10px;line-height:1.4}.sample-cover.curated-cover>strong{margin-top:auto;color:#f0dfc0;font-size:28px;line-height:1.3}.sample-cover.curated-cover>small{color:#f0dfc0;font-size:11px}.dunhuang-hero{margin:0 0 20px}.dunhuang-hero img{display:block;width:100%;height:auto;border-radius:8px}.dunhuang-hero figcaption{font-size:12px;line-height:1.6;margin-top:10px}.dunhuang-palette{display:flex;gap:7px;margin:18px 0}.dunhuang-palette span{flex:1;min-width:0;padding:14px 5px;text-align:center;background:#15120f;color:#f0dfc0;font-size:12px;border-radius:5px}.dunhuang-palette span:nth-child(2){background:#f0dfc0;color:#15120f;border:1px solid #15120f}.dunhuang-palette span:nth-child(3){background:#8f3828}.dunhuang-palette span:nth-child(4){background:#2e6d63}.dunhuang-palette span:nth-child(5){background:#28577b}.dunhuang-copy{font-size:14px;line-height:1.85}.detail-buy .requirements a{display:block;margin-top:15px;text-decoration:underline;font-size:13px}.detail-buy .requirements p{overflow-wrap:anywhere}