:root{color-scheme:light;--paper:#f7f5ee;--surface:#fffefa;--ink:#253e35;--muted:#657168;--green:#234b40;--line:#dfe3d8;--soft:#eaf0e5;--danger:#954b37;font-family:'Segoe UI','Microsoft YaHei UI','Microsoft YaHei',system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button,input,select,a{outline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #557961}button,input,select{color:inherit}button{background:none}h1,h2,h3,p{margin:0}[hidden]{display:none!important}.catalog-shell{max-width:1440px;margin:0 auto;padding:0 56px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:13px;min-width:0}.brand img{flex-shrink:0;border-radius:11px}.brand strong{display:block;font-family:Georgia,'Microsoft YaHei',serif;font-size:24px;letter-spacing:-.7px;font-weight:600}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:4px;letter-spacing:.8px}.header-controls{display:flex;align-items:center;gap:24px;flex-shrink:0}.back-link{font-size:13px;color:var(--muted);border-bottom:1px solid transparent}.back-link:hover{border-color:var(--green);color:var(--green)}.interface-language{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--muted)}.interface-language select{background:var(--surface);border:1px solid var(--line);border-radius:9px;color:var(--ink);padding:8px 9px;max-width:130px;font-size:12px}.catalog-intro{display:grid;grid-template-columns:minmax(0,1fr) 280px;align-items:center;padding:41px 0 34px;gap:32px}.eyebrow{color:#6e806c;font-size:10px;font-weight:600;letter-spacing:2.3px;margin-bottom:14px;line-height:1.6}.catalog-intro h1{font-size:clamp(27px,3vw,39px);line-height:1.4;letter-spacing:-1.2px;font-weight:600;text-wrap:balance}.intro-copy{max-width:660px;color:var(--muted);font-size:14px;line-height:1.8;margin-top:15px}.intro-illustration{width:100%;height:auto;mix-blend-mode:multiply;border-radius:24px}.collection-summary{display:flex;align-items:center;gap:7px;color:var(--green);font-size:11px;margin-top:20px}.local-dot{width:6px;height:6px;background:#7a9676;border-radius:50%;flex-shrink:0}.catalog-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:36px;align-items:start;padding-bottom:50px}.filter-panel{background:#eef0e7;border:1px solid #e2e5d9;border-radius:18px;padding:23px 20px;position:sticky;top:20px}.language-fieldset{border:0;padding:0;margin:0;min-width:0}.language-fieldset legend,.category-label{font-size:13px;font-weight:600;line-height:1.6;display:block}.filter-explainer{color:var(--muted);font-size:11px;line-height:1.75;margin:8px 0 17px}.language-option{display:flex;align-items:center;gap:9px;min-height:40px;cursor:pointer;font-size:13px}.language-option input{width:16px;height:16px;accent-color:var(--green);cursor:pointer;flex-shrink:0}.language-option .language-count{margin-left:auto;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums;background:#ffffff80;border-radius:6px;padding:3px 7px;min-width:28px;text-align:center}.filter-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px}.filter-actions button{border:0;color:var(--green);padding:4px 0;font-size:11px;text-decoration:underline;text-underline-offset:3px}.filter-divider{height:1px;background:var(--line);margin:21px 0}.category-label{margin-bottom:9px}#book-category{background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:9px 8px;width:100%;font-size:12px;max-width:100%}.ask-panel{border-top:1px solid var(--line);padding-top:23px;margin-top:24px}.ask-panel h2{font-size:13px;line-height:1.5}.ask-panel>p{font-size:11px;line-height:1.8;color:var(--muted);margin-top:9px}.primary-button{display:flex;justify-content:center;align-items:center;border-radius:10px;padding:12px 10px;background:var(--green);color:#fffdf5;font-size:12px;font-weight:600;text-align:center;line-height:1.5;margin-top:15px;min-height:43px}.primary-button:hover{background:#315c4c}.primary-button[aria-disabled=true]{background:#d9e0d3;color:#6f7b69;cursor:not-allowed}.ask-panel .scope-status{margin-top:10px;font-size:10px}.manage-link{display:block;text-align:center;margin-top:22px;font-size:11px;color:var(--muted);text-decoration:underline;text-underline-offset:3px}.results-panel{min-width:0}.search-row{display:flex;align-items:stretch;gap:12px}.search-field{flex:1;display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid #d4ddd0;border-radius:12px;padding:0 14px;min-width:0}.search-field svg{width:18px;height:18px;flex-shrink:0;color:#71866f}.search-field input{min-width:0;width:100%;background:transparent;border:0;padding:14px 0;font-size:13px;outline:0}.search-field:focus-within{outline:2px solid #8fa88d;outline-offset:2px}.search-field input::placeholder{color:#7b8879}.refresh-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:83px;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:transparent;color:var(--muted);font-size:11px}.refresh-button:hover{background:var(--soft)}.refresh-button svg{width:16px;height:16px}.results-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:25px 0 9px}.results-heading h2{font-size:15px;font-weight:600}.results-heading p{font-size:11px;line-height:1.6;color:var(--muted);text-align:right}.active-language-summary{font-size:11px;color:var(--muted);line-height:1.6;margin-bottom:19px}.book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.book-card{min-width:0;border:1px solid var(--line);border-radius:15px;padding:20px;background:var(--surface);display:flex;flex-direction:column;transition:border-color 150ms,box-shadow 150ms}.book-card:hover{border-color:#b4c3ad;box-shadow:0 4px 16px #253e3506}.book-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.book-symbol{width:32px;height:37px;border-radius:4px 7px 7px 4px;background:#e5ece0;border-left:3px solid #a3b39b;display:flex;align-items:center;justify-content:center;color:#67825f;flex-shrink:0}.book-symbol svg{width:17px;height:17px}.book-card h3{font-size:15px;line-height:1.6;font-weight:600;overflow-wrap:break-word}.book-author{font-size:11px;line-height:1.7;color:var(--muted);margin-top:7px;overflow-wrap:break-word}.book-metadata{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:16px 0 12px}.language-chip{font-size:10px;color:#486247;background:#edf2e8;border:1px solid #dde6d6;border-radius:6px;padding:3px 7px;line-height:1.5}.language-chip.unknown{color:#826335;background:#f6f0e2;border-color:#e9deca}.category-chip{font-size:10px;line-height:1.5;color:var(--muted);padding:3px 0;overflow-wrap:anywhere}.status-chip{font-size:10px;line-height:1.4;color:#778170;white-space:nowrap;background:#eff1eb;border-radius:100px;padding:4px 8px}.status-ready{color:#37654a;background:#e5efe1}.status-indexing,.status-uploaded{color:#866535;background:#f5efdf}.status-error{color:#954b37;background:#f7e9e0}.book-notes{color:var(--muted);font-size:11px;line-height:1.7;border-top:1px solid #edf0e7;padding-top:12px}.book-notes p+p{margin-top:5px}.book-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:16px}.original-link{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--green);font-weight:600}.original-link:hover{text-decoration:underline;text-underline-offset:3px}.original-link svg{width:14px;height:14px}.original-unavailable{font-size:10px;color:#808b7b}.language-basis{font-size:10px;color:var(--muted);margin-top:13px;line-height:1.6}.language-basis summary{cursor:pointer;text-decoration:underline;text-underline-offset:3px}.language-basis p{margin-top:6px;overflow-wrap:anywhere}.empty-results{padding:66px 20px;text-align:center;border:1px dashed #d9e0d1;border-radius:15px;background:#fffefa55}.empty-results>svg{width:40px;height:40px;color:#8b9d80;margin-bottom:17px}.empty-results h3{font-size:17px;font-weight:500;line-height:1.5}.empty-results p{font-size:12px;color:var(--muted);line-height:1.8;margin:10px auto 0;max-width:380px}.error-banner{border:1px solid #e3c8ad;color:#8b5737;background:#fbf1e3;border-radius:11px;padding:12px 16px;font-size:12px;line-height:1.7;margin:0 0 20px}.site-footer{border-top:1px solid var(--line);padding:22px 0 28px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:10px;line-height:1.7;color:var(--muted)}.sr-only,.skip-link:not(:focus){position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.skip-link:focus{position:fixed;top:10px;left:10px;z-index:20;padding:12px 15px;border-radius:9px;background:var(--green);color:white}
@media(min-width:1400px){.book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1100px){.catalog-shell{padding:0 30px}.catalog-layout{grid-template-columns:210px minmax(0,1fr);gap:22px}.filter-panel{padding:20px 16px}.catalog-intro{grid-template-columns:minmax(0,1fr) 220px;gap:20px}.book-card{padding:17px}.header-controls{gap:18px}}@media(max-width:800px){.catalog-shell{padding:0 22px}.catalog-layout{grid-template-columns:1fr;gap:23px}.filter-panel{position:static;padding:20px}.language-fieldset>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px 20px}.filter-actions{justify-content:flex-start;gap:24px}.filter-divider{margin:16px 0}.ask-panel{padding-top:15px;margin-top:18px}.ask-panel .primary-button{display:inline-flex;min-width:180px}.manage-link{text-align:left;margin-top:17px}.catalog-intro{padding:30px 0;grid-template-columns:minmax(0,1fr) 150px}.brand strong{font-size:22px}.back-link{display:none}.interface-language{flex-direction:column;align-items:flex-start;gap:5px}.site-header{padding:20px 0}.book-grid{gap:13px}.results-heading{margin-top:20px}}@media(max-width:520px){.catalog-shell{padding:0 17px}.site-header{gap:12px}.brand{gap:9px}.brand img{width:33px;height:33px}.brand strong{font-size:19px}.brand small{font-size:9px;letter-spacing:.1px}.interface-language{font-size:9px}.interface-language select{font-size:11px;padding:7px;max-width:96px}.catalog-intro{display:block;position:relative;padding:28px 0 26px}.catalog-intro>div{position:relative;z-index:1}.intro-illustration{position:absolute;right:-10px;top:16px;width:150px;opacity:.14;pointer-events:none}.catalog-intro h1{font-size:27px;line-height:1.45}.eyebrow{font-size:9px;letter-spacing:1.8px;margin-bottom:11px}.intro-copy{font-size:12px;margin-top:12px}.collection-summary{font-size:10px;margin-top:14px}.language-fieldset>div{grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 20px}.filter-panel{padding:18px 16px}.language-option{font-size:12px}.filter-explainer{font-size:11px;margin-bottom:12px}.book-grid{grid-template-columns:1fr}.book-card{padding:20px}.search-row{gap:8px}.search-field{padding:0 10px;gap:8px}.search-field input{font-size:12px}.refresh-button{min-width:42px;padding:10px}.refresh-button span{display:none}.results-heading{align-items:flex-start}.results-heading p{max-width:52%;font-size:10px}.active-language-summary{font-size:10px}.site-footer{font-size:9px;gap:7px;flex-direction:column}.empty-results{padding:44px 18px}}@media(prefers-reduced-motion:reduce){.book-card{transition:none}}
button.original-link{border:0;padding:0;background:none;text-align:left}