/* 方寸之間 / jianfold: white ground, black type and quiet object photography. */
:root{--paper:#fff;--ink:#000;--surface:#f3f3ef;--line:#d8d8d1;--acid:#f3f3ef;--pink:#f3f3ef;--lilac:#f3f3ef;--mint:#f3f3ef;--gutter:clamp(20px,4.2vw,72px);--sans:"Helvetica Neue",Helvetica,Arial,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{background:#fff;border:1px solid #000;border-radius:0;cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.45}
button,a,input,select,summary{touch-action:manipulation}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid #000;outline-offset:5px}
img,svg{max-width:100%}
h1,h2,h3,p,figure{margin-top:0}
h1,h2,h3{font-family:var(--sans);font-weight:500}
h1{font-size:clamp(36px,4.2vw,56px);line-height:1.04;letter-spacing:-.055em;margin-bottom:28px}
h2{font-size:clamp(28px,3vw,40px);line-height:1.15;letter-spacing:-.04em;margin-bottom:0}
h3{font-size:18px;line-height:1.3;letter-spacing:-.015em}
:lang(zh-CN) h1{line-height:1.18;letter-spacing:-.035em}
:lang(zh-CN) h2{line-height:1.3;letter-spacing:-.025em}
.demo-bar{font-size:10px;line-height:1.5;letter-spacing:.025em;padding:8px var(--gutter);border-bottom:1px solid var(--line);background:var(--surface)}
.store-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px;padding:22px var(--gutter);border-bottom:1px solid var(--line);max-width:1512px;margin:auto}
.store-header .wordmark{display:block;width:174px;max-width:100%;line-height:0;flex:none}
.wordmark .brand-signature{display:block;width:100%;height:auto}
.footer-signature{display:block;width:118px;max-width:100%;margin-right:auto;line-height:0}
.footer-signature img{display:block;width:118px;height:auto}
.wordmark-icon{grid-column:1;grid-row:1/3;width:40px;height:40px;align-self:center}
.wordmark b{grid-column:2;font-weight:600}
.wordmark span{grid-column:2;display:block;font-size:10px;line-height:1.4;font-weight:400;letter-spacing:.16em;margin-top:7px}
nav{display:flex;align-items:center;flex-wrap:wrap;gap:clamp(18px,2.3vw,34px);font-size:12px}
nav a,nav button{padding:8px 0}
nav a:hover,nav button:hover{text-decoration:underline;text-underline-offset:5px}
nav button{border:0}
#cart-count{display:inline-block;margin-left:5px;min-width:18px;text-align:center;font-size:10px;border-bottom:1px solid #000}
select{background:#fff;border:0;border-bottom:1px solid #000;border-radius:0;padding:5px 0;font-size:12px;max-width:100%}
main{max-width:1512px;margin:auto;padding:0 var(--gutter)}
.eyebrow{font-size:10px;line-height:1.5;letter-spacing:.1em;margin-bottom:20px}
.shop-hero{display:grid;grid-template-columns:minmax(0,.76fr) minmax(0,1fr);align-items:center;gap:clamp(28px,4vw,64px);padding:40px 0 0}
.hero-copy{min-width:0;padding:20px 0 40px}
.hero-copy .eyebrow::before{content:"";display:inline-block;width:14px;height:14px;background:var(--acid);vertical-align:-3px;margin-right:12px}
.hero h1{font-size:clamp(42px,4.8vw,72px);white-space:pre-line;margin:0 0 26px;line-height:1.04;letter-spacing:-.06em}
:lang(zh-CN) .hero h1{line-height:1.2;letter-spacing:-.04em}
.intro{font-size:16px;line-height:1.8;max-width:440px;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px 26px;margin-top:32px}
.button-link{display:inline-flex;align-items:center;justify-content:center;background:#000;color:#fff;border:1px solid #000;min-height:48px;padding:12px 24px;font-size:13px;line-height:1.5}
.button-link:hover{background:#30302c}
.text-link{display:inline-block;font-size:12px;line-height:1.5;padding:6px 0;border-bottom:1px solid #000}
.text-link:hover{border-bottom-width:2px;padding-bottom:5px}
.hero-status{font-size:11px;line-height:1.7;margin:26px 0 0}
.hero-image{min-width:0;margin:0;align-self:center}
.hero-image>img{display:block;width:100%;height:auto;aspect-ratio:1.5;object-fit:contain;background:var(--surface)}
.hero-image figcaption{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 20px;font-size:9px;line-height:1.6;margin-top:12px}
.image-index{letter-spacing:.06em}
.collection{padding:74px 0 80px}
.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:30px}
.section-top .eyebrow{margin-bottom:13px}
.filters{display:flex;flex-wrap:wrap;gap:24px}
.filters button{font-size:12px;border:0;border-bottom:2px solid transparent;padding:8px 0;background:transparent;min-height:40px}
.filters button[aria-pressed=true]{border-color:#000;font-weight:600}
.small{font-size:12px;line-height:1.85}
.collection-note{max-width:720px;margin:20px 0 32px}
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px 24px}
.product{min-width:0}
.product button{display:block;width:100%;padding:0;border:0;text-align:left;background:#fff;height:100%}
.product-picture{position:relative;display:block;aspect-ratio:1.14;overflow:hidden;background:var(--surface)}
.product-picture::after{content:attr(data-object-index);position:absolute;top:16px;left:16px;font-size:9px;letter-spacing:.05em}
.product-picture::before{content:"";position:absolute;right:16px;top:16px;width:12px;height:12px;background:var(--pink)}
.product[data-category=home] .product-picture::before{background:var(--lilac)}
.product-picture img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .3s ease}
.product button:hover .product-picture img{transform:scale(1.035)}
.illustration-label{position:absolute;bottom:12px;left:16px;font-size:9px;line-height:1.4;letter-spacing:.035em}
.product-title-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:15px 0 0;margin:0}
.product-name{display:block;font-size:16px;font-weight:500;line-height:1.4}
.product-category{display:block;font-size:10px;line-height:1.6;margin-top:5px}
.product .en{display:block;font-size:11px;margin-top:4px}
.price{font-size:11px;line-height:1.5;white-space:nowrap}
.room-story{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1fr);gap:clamp(32px,6vw,90px);align-items:center;padding:54px 0 60px;border-top:1px solid var(--line)}
.room-story-copy{max-width:390px}
.room-story h2{font-size:clamp(32px,3.5vw,52px);margin-bottom:24px;max-width:360px}
.room-story-copy>p:not(.eyebrow){font-size:15px;line-height:1.8;margin-bottom:24px}
.fold-room{margin:0;min-width:0;padding-top:0}
.fold-room svg,.fold-room canvas{display:block;width:100%;height:auto;aspect-ratio:1.4;object-fit:contain}
.fold-controls{display:flex;align-items:center;gap:24px;padding:18px 0;border-top:1px solid var(--line)}
.fold-controls button{flex:0 0 160px;padding:11px 14px;min-height:44px;font-size:12px;line-height:1.4;text-align:left;background:#fff;border:1px solid #000}
.fold-range{flex:1;min-width:0}
.fold-range label{display:block;font-size:11px;margin-bottom:5px}
.fold-range input{display:block;width:100%;margin:0;height:26px;padding:0;appearance:none;-webkit-appearance:none;background:transparent;cursor:ew-resize}
.fold-range input::-webkit-slider-runnable-track{height:1px;background:#000}
.fold-range input::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:15px;height:15px;margin-top:-7px;border:1px solid #000;border-radius:50%;background:#fff}
.fold-range input::-moz-range-track{height:1px;background:#000}
.fold-range input::-moz-range-thumb{width:14px;height:14px;border:1px solid #000;border-radius:50%;background:#fff}
.fold-endpoints{display:flex;justify-content:space-between;gap:15px;font-size:10px}
.fold-state{font-size:11px;line-height:1.7;min-height:3.4em;margin:3px 0 8px}
.fold-room figcaption{font-size:10px;line-height:1.5;letter-spacing:.025em}
.collection-entry{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:50px;padding:42px clamp(24px,4vw,58px);background:var(--surface);align-items:center;position:relative}
.collection-entry::before{content:"";position:absolute;top:0;left:0;width:48px;height:6px;background:var(--mint)}
.tea-edge-mark{display:block;width:88px;height:61px;margin:20px 0 0 auto}
.tea-edge-mark svg{display:block;width:100%;height:100%}
.collection-entry .eyebrow{margin-bottom:22px}
.collection-entry h2{font-size:clamp(36px,4vw,60px)}
.collection-translation{display:block;font-size:clamp(24px,2.5vw,36px);line-height:1.2;letter-spacing:-.035em;margin-top:12px}
.collection-entry p:not(.eyebrow){font-size:15px;line-height:1.8;max-width:400px;margin:0 0 20px}
.process{padding:64px 0 48px;border-bottom:1px solid var(--line)}
.process>div{max-width:720px}
.process h2{font-size:clamp(28px,2.6vw,38px)}
.process .eyebrow{margin-bottom:14px}
.process .small{margin:18px 0 0}
.process ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;list-style:none;padding:0;margin:32px 0 0}
.process li{display:flex;gap:18px;padding-top:18px;border-top:1px solid var(--line);min-width:0}
.process li>span{font-size:10px;line-height:1.9;flex:none}
.process h3{font-size:15px;margin:0 0 10px}
.process p{font-size:12px;margin:0;line-height:1.8}
.references{padding:0;border-bottom:1px solid var(--line)}
.references summary{cursor:pointer;font-size:13px;line-height:1.5;padding:23px 0}
.references details[open] summary{padding-bottom:15px}
.reference-copy{max-width:760px;padding:0 0 30px}
.reference-copy p{font-size:13px;line-height:1.85;margin:0 0 15px}
.reference-copy p:last-child{margin-bottom:0}
.reference-copy a{text-decoration:underline;text-underline-offset:3px}
.reference-copy .source-note{font-size:11px}
.notes{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:35px;padding:32px 0 40px}
.notes h2{font-size:14px;letter-spacing:0;line-height:1.5}
.notes p{font-size:12px;line-height:1.9;margin:0;max-width:760px}
footer{max-width:1368px;margin:0 var(--gutter);border-top:1px solid var(--line);padding:24px 0 35px;display:flex;align-items:baseline;flex-wrap:wrap;gap:16px 26px;font-size:10px;line-height:1.6}
footer>[data-brand-name]{font-size:20px;letter-spacing:-.04em;margin-right:auto}
footer a{text-decoration:underline;text-underline-offset:3px}
.history-order{font-size:10px;border:0;border-bottom:1px solid #000;padding:0;line-height:1.6}
.tea-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,90px);align-items:center;padding:52px 0}
.tea-copy{min-width:0}
.tea-hero h1{font-size:clamp(36px,4.5vw,60px);margin-bottom:28px}
.tea-name-en{display:block;font-size:.6em;line-height:1.2;letter-spacing:-.045em;margin-top:14px}
.tea-copy .intro{max-width:520px;margin-bottom:24px}
.tea-drawing{margin:0;padding:28px;background:var(--surface);border-top:1px solid var(--line)}
.tea-drawing img{display:block;width:min(100%,550px);max-height:360px;margin:0 auto}
.tea-drawing figcaption{font-size:10px;margin-top:20px}
.tea-selection{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:50px;padding:38px 0 48px;border-top:1px solid var(--line);margin:0 0 20px}
.tea-selection h2{font-size:clamp(30px,3vw,42px)}
.tea-selection p{font-size:15px;line-height:1.8;max-width:500px;margin:0}
/* Existing demo workflow. The visual redesign does not change payment state. */
dialog{color:#000;background:#fff;border:1px solid var(--line);padding:48px;max-width:800px;width:calc(100% - 40px);max-height:90vh;overflow:auto}
dialog::backdrop{background:rgba(0,0,0,.3)}
.close{position:absolute;top:10px;right:12px;width:40px;height:40px;line-height:1;border:0;padding:0;font-size:28px;background:#fff}
dialog h2{font-size:30px;line-height:1.2;letter-spacing:-.035em}
dialog .eyebrow{margin-bottom:16px}
.detail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center}
.detail img{display:block;width:100%;background:var(--surface);aspect-ratio:1;object-fit:contain}
.detail h2{margin-bottom:8px}
.detail .en{font-size:11px}
.detail p{font-size:13px;line-height:1.75}
.detail .detail-price{font-size:22px;line-height:1.5;margin:22px 0}
.detail .disclosure{font-size:11px;line-height:1.8;border-top:1px solid var(--line);padding-top:15px}
.primary{background:#000;color:#fff;padding:13px 18px;border:1px solid #000;width:100%;font-size:13px;min-height:46px}
.primary:hover{background:#30302c}
.secondary{padding:10px 14px;font-size:12px;min-height:42px}
.cart-line{padding:22px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px}
.cart-line h3{margin:0 0 4px;font-size:16px}
.quantity{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.quantity button{width:32px;height:32px;padding:0;line-height:1;border-color:var(--line)}
.quantity .remove{font-size:11px;border:0;border-bottom:1px solid #000;padding:0;margin-left:8px;width:auto;height:auto;line-height:1.6}
.totals{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:20px;margin:26px 0 12px}
.totals strong{font-size:28px;font-weight:500;letter-spacing:-.04em;white-space:nowrap}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.order-number{font-size:11px;overflow-wrap:anywhere;border-bottom:1px solid var(--line);padding-bottom:16px}
.order-status{font-size:14px;line-height:1.9}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);border:1px solid var(--line);padding:12px 18px;background:#fff;font-size:12px;display:none;z-index:9;max-width:calc(100% - 32px);width:max-content;text-align:center}
.toast.visible{display:block}
.skip{position:absolute;top:-100px;background:#fff;padding:10px;z-index:100}
.skip:focus{top:0}
.error{font-size:12px;border-left:2px solid #000;padding-left:12px}
.document-page{max-width:920px;margin:0 auto;padding:50px 24px 80px}
.document-page h1{font-size:clamp(30px,4vw,44px);line-height:1.2;letter-spacing:-.04em;margin:24px 0}
.document-page h2{font-size:24px;line-height:1.3;margin:38px 0 16px}
.document-page h3{font-size:16px;line-height:1.5}
.document-page p,.document-page li{font-size:14px;line-height:1.85;overflow-wrap:anywhere}
.document-page a{text-decoration:underline;text-underline-offset:3px}
.document-navigation{display:flex;justify-content:space-between;gap:20px;margin-bottom:25px}
.draft-banner{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin:25px 0}
.draft-banner p:last-child{margin-bottom:0}
.document-page table{width:100%;border-collapse:collapse;font-size:12px}
.document-page td,.document-page th{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:10px 8px;overflow-wrap:anywhere}
.document-page code{overflow-wrap:anywhere}
.document-page .back-link{font-size:12px}
.document-page pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px}
.field-list{columns:2;column-gap:35px}
@media(min-width:1512px){footer{margin-left:auto;margin-right:auto}}
@media(max-width:1000px){
 .store-header nav{gap:18px}
 .section-top{display:block}
 .filters{margin-top:22px}
 .product-title-row{display:block}
 .product .price{display:block;margin-top:8px}
 .fold-controls{gap:20px}
 .fold-controls button{flex-basis:140px}
}
@media(max-width:800px){
 .store-header{gap:20px;padding-top:20px;padding-bottom:16px}
 .store-header nav{width:100%;justify-content:space-between;gap:8px 18px;font-size:12px}
 .shop-hero{grid-template-columns:minmax(0,1fr);gap:28px;padding-top:32px}
 .hero-copy{padding:0}
 .hero h1{font-size:clamp(42px,7.5vw,60px);margin-bottom:22px}
 .hero .intro{max-width:520px}
 .hero-actions{margin-top:24px}
 .hero-status{margin-top:20px}
 .hero-image figcaption{font-size:9px}
 .collection{padding:50px 0 54px}
 .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 16px}
 .room-story{grid-template-columns:minmax(0,1fr);gap:28px;padding:38px 0 42px}
 .room-story-copy{max-width:520px}
 .room-story h2{margin-bottom:18px;max-width:none;font-size:36px}
 .room-story-copy>p:not(.eyebrow){margin-bottom:18px}
 .fold-room{max-width:620px;width:100%;margin:auto}
 .collection-entry{gap:32px;padding:32px 28px}
 .collection-entry h2{font-size:40px}
 .collection-entry p:not(.eyebrow){font-size:14px}
 .tea-hero{grid-template-columns:minmax(0,1fr);gap:32px;padding:36px 0}
 .tea-drawing img{max-height:300px}
 .tea-selection{gap:30px}
}
@media(max-width:560px){
 .demo-bar{font-size:9px}
 .wordmark{grid-template-columns:36px auto;column-gap:10px;font-size:26px}
 .wordmark-icon{width:36px;height:36px}
 .wordmark span{font-size:9px;margin-top:6px}
 .store-header nav{gap:5px 17px;justify-content:flex-start;font-size:11px}
 .store-header #language{margin-left:auto;font-size:11px}
 .hero .eyebrow{margin-bottom:22px}
 .hero h1{font-size:clamp(40px,10vw,50px)}
 .intro{font-size:15px;line-height:1.75}
 .hero-actions{gap:18px 24px}
 .button-link{padding:12px 20px;min-height:46px;font-size:12px}
 h2{font-size:32px}
 .eyebrow{font-size:9px;margin-bottom:18px}
 .collection-note{font-size:11px;margin:18px 0 26px}
 .filters{gap:25px;margin-top:16px}
 .filters button{font-size:11px}
 .product-grid{gap:26px 12px}
 .product-picture::after{top:10px;left:10px;font-size:8px}
 .product-picture::before{top:10px;right:10px;width:9px;height:9px}
 .illustration-label{left:10px;bottom:9px;font-size:8px}
 .product-title-row{padding-top:11px}
 .product-name{font-size:14px;overflow-wrap:anywhere}
 .product-category{font-size:9px}
 .product .price{font-size:10px;white-space:normal;overflow-wrap:anywhere}
 .room-story h2{font-size:32px}
 .room-story-copy>p:not(.eyebrow){font-size:14px}
 .fold-controls{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;padding:16px 0}
 .fold-controls button{width:100%;padding:11px 14px}
 .fold-room svg,.fold-room canvas{aspect-ratio:1.25}
 .fold-state{min-height:3.4em}
 .collection-entry{grid-template-columns:minmax(0,1fr);gap:24px;padding:30px 24px}
 .collection-entry h2{font-size:36px}
 .collection-translation{font-size:26px}
 .tea-edge-mark{width:70px;height:49px;margin-top:16px}
 .process{padding:42px 0 36px}
 .process h2{font-size:28px}
 .process ol{grid-template-columns:minmax(0,1fr);gap:22px;margin-top:28px}
 .process li{gap:22px}
 .process p{max-width:380px}
 .references summary{font-size:12px}
 .reference-copy p{font-size:12px}
 .notes{grid-template-columns:minmax(0,1fr);gap:16px;padding:26px 0 32px}
 footer{gap:14px 20px;font-size:10px;padding-top:20px}
 footer>[data-brand-name]{width:100%;margin-right:0}
 .tea-hero h1{font-size:clamp(40px,10vw,56px)}
 .tea-name-en{font-size:.65em;margin-top:12px}
 .tea-drawing{padding:24px 20px}
 .tea-drawing img{max-height:240px}
 .tea-selection{grid-template-columns:minmax(0,1fr);gap:22px;padding:28px 0 36px}
 .tea-selection h2{font-size:30px}
 .tea-selection p{font-size:14px}
 dialog{padding:48px 22px 28px;width:calc(100% - 28px)}
 dialog h2{font-size:27px}
 .detail{grid-template-columns:minmax(0,1fr);gap:22px}
 .detail img{height:210px;aspect-ratio:auto}
 .cart-line{grid-template-columns:minmax(0,1fr)}
 .quantity{justify-content:flex-start}
 .actions{flex-direction:column}
 .actions button{width:100%}
 .field-list{columns:1}
 .document-page{padding:36px 20px 60px}
 .document-page h1{font-size:31px}
 .document-page h2{font-size:22px}
 .document-page table{font-size:11px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.products-hidden .tea-hero{grid-template-columns:minmax(0,1fr)}