@charset "UTF-8";
:root{--paper:#f5f5fa;--ink:#29243f;--muted:#716c80;--accent:#6554a4;--soft:#e9e4f5;--line:#dfdce9;--white:#fff;--shadow:0 12px 42px #34265709;color-scheme:light;font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid #a18acf;outline-offset:4px}a{color:var(--accent)}button{color:inherit}button:disabled{opacity:.4;cursor:default}svg{flex-shrink:0}button{border:0;background:none}a{text-decoration:none}.skip{position:fixed;top:-100px;left:20px;background:white;padding:12px;z-index:50}.skip:focus{top:10px}.topbar{height:77px;max-width:1480px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 42px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;color:var(--ink)}.brand strong{font-family:"SimSun","Songti SC",serif;font-size:23px;letter-spacing:3px}.brand small{font-size:11px;letter-spacing:2px;color:var(--muted);display:block;margin-top:5px}.logo{width:34px;height:39px;position:relative;display:inline-block}.logo i{width:23px;height:31px;border:1.5px solid var(--accent);background:var(--paper);border-radius:2px;position:absolute;left:0;top:5px;transform:rotate(-14deg)}.logo i:nth-child(2){left:6px;top:3px;transform:rotate(-3deg);background:var(--soft)}.logo i:nth-child(3){left:12px;top:6px;transform:rotate(9deg);background:white}.top-actions{display:flex;gap:20px;align-items:center;font-size:13px;color:var(--muted)}.top-actions button{padding:9px 13px;border:1px solid var(--line);border-radius:6px}.top-actions a:hover{color:var(--ink)}.hero{max-width:1480px;margin:auto;padding:42px 42px 32px;display:flex;justify-content:space-between;align-items:flex-end;gap:20px}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--accent);margin:0 0 13px}.hero h1{font-family:"SimSun","Songti SC",serif;font-weight:500;font-size:clamp(25px,3vw,39px);margin:0 0 13px;letter-spacing:2px;line-height:1.4}.hero h1 em{font-style:normal;color:var(--accent)}.hero p:last-child{font-size:13px;line-height:1.9;color:var(--muted);margin:0}.hero-aside{flex-shrink:0;font-size:12px;line-height:1.9;color:var(--muted);border-left:2px solid #c9bfdf;padding-left:18px;max-width:260px}.hero-aside strong{color:var(--accent);font-size:19px;margin-right:4px;font-weight:500}.controls-wrap{position:sticky;top:0;background:#f5f5faf5;backdrop-filter:blur(14px);z-index:5;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.controls{max-width:1480px;padding:17px 42px 14px;margin:auto}.control-row{display:flex;gap:12px;align-items:center}.search{position:relative;flex:1;max-width:520px}.search svg{position:absolute;top:13px;left:14px;color:var(--muted)}.search input{width:100%;border:1px solid var(--line);border-radius:7px;background:white;padding:11px 38px 11px 43px;font-size:13px;color:var(--ink);height:43px}.search input::-webkit-search-cancel-button{cursor:pointer}.select-wrap{margin-left:auto;display:flex;gap:8px;align-items:center;font-size:12px;color:var(--muted)}select{max-width:210px;border:1px solid var(--line);background:white;border-radius:6px;color:var(--ink);height:42px;padding:0 8px;font-size:12px}.filter-saved{border:1px solid var(--line);border-radius:6px;height:42px;padding:0 13px;font-size:12px;display:flex;gap:7px;align-items:center;background:white}.filter-saved[aria-pressed=true]{color:var(--accent);background:var(--soft);border-color:#baabd7}.filters{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}.filter{padding:7px 13px;border-radius:5px;color:var(--muted);font-size:12px;white-space:nowrap}.filter[aria-pressed=true]{color:white;background:var(--accent)}.filter span{font-size:10px;opacity:.7;margin-left:5px}.library{max-width:1480px;margin:auto;padding:0 42px 50px}.library-heading{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);padding:24px 0 15px}.library-heading h2{font-size:13px;font-weight:500;color:var(--ink);margin:0}.book{display:grid;grid-template-columns:minmax(210px,.85fr) minmax(0,2fr);gap:34px;padding:30px;background:white;border:1px solid var(--line);border-radius:10px;margin-bottom:18px;box-shadow:var(--shadow);scroll-margin-top:160px}.book-info{min-width:0;display:flex;flex-direction:column;align-items:flex-start}.book-top{width:100%;display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.book-id{color:#a29aae;font-family:Georgia,serif;font-size:16px}.category{color:var(--accent);background:#f2eff9;padding:4px 8px;border-radius:4px;font-size:10px;margin-left:9px}.save{width:34px;height:34px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:#948aa6;flex-shrink:0}.save[aria-pressed=true]{background:var(--soft);color:var(--accent);border-color:#c4b7de}.save[aria-pressed=true] svg{fill:currentColor}.book h3{font-family:"SimSun","Songti SC",serif;font-size:25px;font-weight:600;letter-spacing:.5px;margin:0 0 10px;line-height:1.5}.author{font-size:12px;line-height:1.6;color:var(--muted);margin:0 0 17px}.tagline{font-size:14px;line-height:1.8;margin:0 0 11px;color:var(--accent);font-weight:500}.intro{font-size:13px;line-height:1.95;color:#625c70;margin:0 0 18px}.meta-details{margin-top:auto;width:100%;font-size:11px;color:var(--muted)}.meta-details summary{cursor:pointer;display:inline-flex;align-items:center;gap:5px;color:var(--accent);padding:5px 0}.meta-details summary::after{content:'＋';font-size:13px}.meta-details[open] summary::after{content:'−'}.meta-details p{line-height:1.8;margin:8px 0}.meta-details a{text-decoration:underline;text-underline-offset:3px}.note{padding:9px 11px;border-left:2px solid #b89b64;background:#faf7ee;font-size:11px;line-height:1.8;color:#7f6947;margin:0 0 12px}.book-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:start}.figure{margin:0;min-width:0}.image-open{width:100%;padding:0;display:block;background:#f0edf5;border:1px solid #e5e0ec;border-radius:6px;overflow:hidden;position:relative;aspect-ratio:3/4}.image-open img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .25s ease}.image-open:hover img{transform:scale(1.025)}.image-open::after{content:'↗';position:absolute;right:8px;bottom:8px;border-radius:50%;width:26px;height:26px;line-height:26px;background:#ffffffed;color:var(--accent);font-size:14px;opacity:0;transition:opacity .2s}.image-open:hover::after,.image-open:focus-visible::after{opacity:1}.figure figcaption{font-size:11px;color:var(--muted);margin:10px 1px 0;display:flex;justify-content:space-between;gap:4px;align-items:center}.figure figcaption small{font-size:9px;color:var(--accent);background:var(--soft);border-radius:3px;padding:2px 4px}.extras{grid-column:1/-1;display:flex;justify-content:flex-end;margin-top:-5px;gap:10px;align-items:center;font-size:11px;color:var(--muted)}.extras button{color:var(--accent);border-bottom:1px solid #c8bce0;padding:2px 0}.empty{text-align:center;padding:70px 20px;color:var(--muted)}.empty h3{color:var(--ink);font-family:SimSun,serif;font-size:25px}.empty button{background:var(--accent);color:white;padding:11px 20px;border-radius:6px}.footer{border-top:1px solid var(--line);padding:26px 42px 35px;max-width:1480px;margin:auto;display:flex;justify-content:space-between;gap:30px;font-size:11px;line-height:1.9;color:var(--muted)}.footer strong{font-family:SimSun,serif;font-size:16px;font-weight:500;color:var(--ink)}.footer p{margin:6px 0 0;max-width:730px}.back-top{position:fixed;bottom:25px;right:22px;width:40px;height:40px;border-radius:50%;background:var(--ink);color:white;box-shadow:0 3px 15px #29243f20;z-index:4;font-size:20px}.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);background:var(--ink);color:white;border-radius:6px;padding:12px 20px;font-size:12px;z-index:30;box-shadow:0 3px 20px #0003;pointer-events:none}.viewer{border:0;background:#17151f;color:white;padding:0;max-width:none;max-height:none;width:100vw;height:100dvh;inset:0;margin:0}.viewer::backdrop{background:#17151f}.viewer[open]{display:flex;flex-direction:column}.viewer-head{display:flex;align-items:center;justify-content:space-between;padding:17px 25px;border-bottom:1px solid #ffffff1a;gap:16px;flex-shrink:0}.viewer-title{margin:0;font-family:SimSun,serif;font-size:19px;font-weight:400}.viewer-meta{font-size:11px;color:#b4adbf;margin-top:7px}.viewer-close{width:40px;height:40px;font-size:28px;color:white;border-radius:50%;background:#ffffff12}.viewer-canvas{flex:1;min-height:0;overflow:auto;display:flex;align-items:center;justify-content:center;overscroll-behavior:contain;padding:16px;position:relative}.viewer-canvas img{display:block;max-width:100%;max-height:100%;object-fit:contain;box-shadow:0 5px 40px #0005;cursor:zoom-in;flex-shrink:0}.viewer-canvas.zoomed{display:block}.viewer-canvas.zoomed img{width:var(--image-width);max-width:none;max-height:none;height:auto;margin:0 auto;cursor:zoom-out}.viewer-canvas.loading::after{content:'图片载入中…';position:absolute;top:20px;left:50%;transform:translateX(-50%);padding:10px 16px;background:#17151fcc;border-radius:5px;font-size:12px;pointer-events:none}.viewer-bottom{padding:13px 25px 18px;border-top:1px solid #ffffff1a;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-shrink:0}.viewer-nav{display:flex;gap:8px}.viewer-bottom button,.viewer-bottom a{padding:10px 16px;border:1px solid #ffffff35;color:white;border-radius:5px;font-size:12px;background:#ffffff08}.viewer-help{font-size:11px;color:#b4adbf}.viewer-tools{display:flex;gap:8px}.noscript{padding:20px;max-width:800px;margin:auto;font-size:14px}body.modal-open{overflow:hidden}[hidden]{display:none!important}
@media(min-width:1500px){.book{gap:40px;padding:34px}.book h3{font-size:28px}.intro{font-size:13px}.book-gallery{gap:20px}}
@media(max-width:1050px){.topbar{padding:0 24px}.hero{padding:30px 24px}.controls{padding:14px 24px}.library{padding:0 24px 35px}.book{grid-template-columns:minmax(180px,.9fr) minmax(0,1.8fr);gap:22px;padding:22px}.book h3{font-size:22px}.intro{font-size:13px}.book-gallery{gap:9px}.hero-aside{max-width:200px}.hero h1{font-size:29px}.footer{padding:25px}.viewer-help{display:none}}
@media(max-width:760px){.topbar{height:68px;padding:0 18px}.brand strong{font-size:21px}.brand small{font-size:9px;letter-spacing:1.3px}.top-actions{gap:10px;font-size:11px}.top-actions .about-link{display:none}.hero{padding:27px 18px 24px}.hero h1{font-size:27px;letter-spacing:.6px}.hero p:last-child{font-size:11px}.hero-aside{display:none}.eyebrow{font-size:10px;margin-bottom:10px}.controls{padding:12px 16px 10px}.control-row{gap:8px;flex-wrap:wrap}.search{max-width:none;flex:1}.search input{font-size:13px;height:42px}.filter-saved{height:42px;padding:0 11px}.select-wrap{display:none}.filters{margin-top:10px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;gap:4px;padding-bottom:2px}.filters::-webkit-scrollbar{display:none}.filter{padding:7px 10px;font-size:11px}.filter span{display:none}.library{padding:0 14px 30px}.library-heading{padding:20px 3px 13px;font-size:10px}.library-heading h2{font-size:12px}.book{display:block;padding:19px 16px 16px;margin-bottom:15px;border-radius:8px;scroll-margin-top:145px}.book-top{margin-bottom:9px}.book h3{font-size:25px;margin-bottom:7px}.author{font-size:11px;margin-bottom:12px}.tagline{font-size:13px;margin-bottom:8px}.intro{font-size:14px;line-height:1.95;margin-bottom:12px}.meta-details{margin-bottom:14px}.book-gallery{gap:8px}.figure figcaption{font-size:10px;display:block;line-height:1.7;margin-top:7px}.figure figcaption small{display:inline-block;margin-top:1px;font-size:8px}.image-open{border-radius:4px}.image-open::after{opacity:1;width:20px;height:20px;line-height:20px;right:4px;bottom:4px;font-size:11px}.extras{margin-top:13px;font-size:10px}.footer{display:block;padding:25px 20px 50px}.footer>div:last-child{margin-top:18px}.viewer-head{padding:12px 16px}.viewer-title{font-size:17px;line-height:1.5}.viewer-meta{font-size:10px}.viewer-close{flex-shrink:0;width:36px;height:36px}.viewer-canvas{padding:10px}.viewer-bottom{padding:10px 12px calc(12px + env(safe-area-inset-bottom));gap:6px}.viewer-bottom button,.viewer-bottom a{padding:10px;font-size:11px}.viewer-tools{gap:5px}.viewer-nav{gap:5px}.back-top{right:15px;bottom:20px;width:35px;height:35px;font-size:18px}.toast{width:max-content;max-width:85vw;text-align:center}.note{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.topbar,.hero,.controls-wrap,.library-heading,.footer,.save,.extras,.back-top,.meta-details,.viewer{display:none!important}body{background:white}.library{padding:0}.book{break-inside:avoid;box-shadow:none;margin:0 0 12px;grid-template-columns:1fr 2fr;padding:16px;gap:15px;display:grid}.intro{font-size:10px}.book h3{font-size:19px}.book-gallery{gap:8px}}