.experiment{padding:8px 20px;background:#fff2cf;color:#583e0a;text-align:center;font-size:13px;font-weight:700}.lab-intro{max-width:1280px;margin:auto;padding:46px 30px;display:flex;justify-content:space-between;align-items:center;gap:30px;background:#f1f7ef}.lab-intro h1{font-size:clamp(26px,3vw,42px);color:var(--green);line-height:1.3}.lab-intro p{color:var(--muted);max-width:610px}.catalog-teaser{display:flex;align-items:center;gap:18px;color:var(--green);font-weight:700}.catalog-teaser img{width:108px;aspect-ratio:0.7;object-fit:contain;background:#e5eee4}.lab-search{display:grid;grid-template-columns:2fr 1fr 1fr auto auto;gap:12px;align-items:end}.pagination{display:flex;justify-content:center;gap:10px;margin-top:28px}.pagination button{min-width:44px;padding:10px;border-radius:6px;background:#fff;color:var(--green)}.pagination button[aria-current=page]{background:var(--green);color:white}.product-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.product-card{padding:20px;min-height:215px}.product-card .product-name{margin-top:14px;font-size:18px}.product-card .card-actions{font-size:13px;color:var(--green)}.product-card .category{font-size:12px;color:var(--muted)}.reader-body{background:#e8ede9}.reader-header{position:sticky;top:0;z-index:10;background:#fff;box-shadow:0 1px 5px #0002;padding:12px 20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.reader-header h1{font-size:16px;margin-right:auto}.reader-header button,.reader-header a,.reader-header input{font-size:14px;min-height:40px}.reader-header input{width:65px;margin:0;padding:6px}.reader-header button,.reader-header a{padding:7px 12px;background:var(--green);color:#fff;border-radius:5px}.reader-header label{display:flex;align-items:center;gap:5px}.viewer{overflow:auto;max-height:calc(100dvh - 160px);min-height:400px;overscroll-behavior:contain;touch-action:pan-x pan-y pinch-zoom;text-align:center;padding:20px}.paper{display:block;max-width:none;object-fit:contain;margin:0 auto;box-shadow:0 3px 16px #0003;background:white}.reader-status{text-align:center;font-size:13px;color:#365b4c;margin:8px}.thumbs{padding:15px;display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:12px;background:#fff}.thumbs[hidden]{display:none}.thumbs button{padding:5px;background:#f1f7ef;border:2px solid transparent;border-radius:5px}.thumbs button[aria-current=page]{border-color:var(--green)}.thumbs img{display:block;width:100%;height:120px;object-fit:contain}.load-error{color:#a20c20}.reader-header button:disabled{opacity:.4;cursor:default}@media(max-width:760px){.header{gap:12px;padding:14px}.header .brand img{width:145px}.header .brand span{display:none}.header nav{gap:12px;font-size:12px}.lab-intro{padding:28px 18px}.catalog-teaser span{display:none}.catalog-teaser img{width:80px}.lab-search{grid-template-columns:1fr 1fr}.lab-search label:first-child{grid-column:1/-1}.lab-search button{width:100%}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product-card{padding:14px;min-height:230px}.product-card .product-name{font-size:16px}.reader-header{padding:10px;gap:8px}.reader-header h1{width:100%;font-size:14px}.viewer{padding:8px;max-height:calc(100dvh - 215px)}.experiment{font-size:11px}.reader-header button,.reader-header a{padding:6px 9px}}
.reader-body .reader-header{color:var(--ink)}.reader-header #zoom,.reader-header #count,.reader-header h1{color:var(--ink)}.header .brand span{max-width:255px;width:255px;line-height:1.6}
.reader-body .viewer{padding:16px;min-height:0;max-height:none;box-sizing:border-box;scroll-behavior:auto;overflow:auto;overflow-anchor:none}.page-stage{display:flex;align-items:center;justify-content:center}.page-stage .paper{margin:0;flex:none;user-select:none;-webkit-user-drag:none}.viewer.can-pan{cursor:grab}.viewer.can-pan:active{cursor:grabbing}.reader-body{overflow-x:hidden}
#book-stage{display:flex;align-items:center;justify-content:center;position:relative}
#book{touch-action:none}
#book .stf__outerShadow,#book .stf__innerShadow,#book .stf__hardShadow,#book .stf__hardInnerShadow{pointer-events:none}
#book{flex:none;position:relative;filter:drop-shadow(0 5px 9px #18352835);user-select:none;-webkit-user-select:none}
.book-leaf{background:#fff;overflow:hidden}
.book-leaf img{display:block;width:100%;height:100%;object-fit:contain;max-width:none;pointer-events:none;-webkit-user-drag:none}
.book-leaf img:not([src]){visibility:hidden}
.book-leaf.--left:after,.book-leaf.--right:after{content:"";position:absolute;inset:0;pointer-events:none}
.book-leaf.--left:after{background:linear-gradient(to left,#0000000c,transparent 2%)}
.book-leaf.--right:after{background:linear-gradient(to right,#0000000c,transparent 2%)}
#spread-label{font-size:12px;color:var(--green);white-space:nowrap}
.reader-body .viewer:not(.can-pan){cursor:pointer}
@media(max-width:760px){.reader-header h1{margin:0}.reader-header{gap:5px;padding:7px}.reader-header button,.reader-header a,.reader-header input{min-height:34px;font-size:12px}.reader-header #spread-label{font-size:11px}}
#scroll-book{display:none}
.reader-scroll #book-stage{display:none}
.reader-scroll #scroll-book{display:block;box-sizing:border-box;margin:0 auto;touch-action:pan-x pan-y pinch-zoom}
.reader-scroll #scroll-book[hidden]{display:none}
.reader-scroll .viewer{padding:0;touch-action:pan-x pan-y pinch-zoom;cursor:auto!important;overflow:auto;overscroll-behavior:contain}
.reader-scroll .scroll-leaf{display:block;position:relative;width:100%;box-sizing:border-box;background:white;margin:0 0 8px;overflow:hidden;touch-action:pan-x pan-y pinch-zoom;user-select:none;-webkit-user-select:none}
.scroll-leaf img{display:block;width:100%;height:100%;object-fit:contain;max-width:none;pointer-events:none;-webkit-user-drag:none}
.scroll-page-number{position:absolute;top:4px;left:4px;padding:2px 5px;background:#ffffffdf;color:#385b4b;border-radius:3px;font-size:11px;pointer-events:none}
.scroll-image-retry{position:absolute;top:40%;left:8%;width:84%;min-height:44px;padding:12px;background:#eaf3ed;color:#154f3a;border:1px solid #9bbdac;border-radius:6px}
.reader-scroll .reader-header{gap:5px;padding:6px;align-content:start}
.reader-scroll .reader-header h1{order:-1;width:calc(100% - 145px);margin:0 auto 0 0;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.reader-scroll .reader-header #back{order:-2;max-width:135px;overflow:hidden;white-space:nowrap;font-size:11px}
.reader-scroll .reader-header button,.reader-scroll .reader-header a,.reader-scroll .reader-header input{min-height:34px;font-size:12px;padding:4px 7px}
.reader-scroll .reader-header input{width:48px}
.reader-scroll #status{margin:4px;font-size:11px}
.reader-scroll #fullscreen{display:none}
.reader-scroll #spread-label{font-size:11px}
.reader-scroll .empty-toc{display:none}
.reader-scroll .scroll-page-number{display:none}
.reader-scroll .thumbs{position:fixed;z-index:30;inset:auto 0 0;max-height:45dvh;overflow:auto;border-top:1px solid #cad8cf}