:root{font-family:ui-sans-serif,system-ui,"Microsoft YaHei",sans-serif;color:#272b29;background:#e9e5da;--paper:#faf8f2;--ink:#28312d;--muted:#68736c;--accent:#50695a;--line:#d9ddd3}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}[hidden]{display:none!important}.app-shell{min-height:100vh}.topbar{height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 max(22px,calc((100vw - 1300px)/2));background:#f7f5ed;border-bottom:1px solid #d7d9cf}.brand,.top-actions,.reader-toolbar,.reader-actions,.shelf-toolbar,.reading-footer{display:flex;align-items:center;gap:14px}.brand>a{color:var(--muted);text-decoration:none;font-size:14px}.brand>span{font-family:Georgia,"Songti SC",serif;font-weight:700;font-size:22px;white-space:nowrap}.brand small{display:block;font:600 9px ui-sans-serif,system-ui;letter-spacing:2.5px;color:#8c9a8e}.quiet,.secondary,.tabs button{background:transparent;border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:9px 13px}.quiet:hover,.secondary:hover,.tabs button:hover{background:#e9eee6}.offline-pill{font-size:12px;color:#39745b;background:#e7f1e7;padding:7px 11px;border-radius:100px;white-space:nowrap}.shelf-view{max-width:1300px;margin:auto;padding:38px 22px 70px}.intro{min-height:255px;border-radius:22px;background:#263a32;color:#f4f3e8;display:flex;align-items:center;justify-content:space-between;overflow:hidden;padding:44px clamp(25px,5vw,74px)}.eyebrow{font-size:11px;letter-spacing:3px;color:#b7cabb;font-weight:700}.intro h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(32px,4.4vw,59px);line-height:1.17;margin:20px 0}.intro p{max-width:640px;line-height:1.85;color:#d3dfd2;margin:0}.intro-mark{font-family:Georgia,"Songti SC",serif;font-size:clamp(72px,12vw,160px);font-weight:700;letter-spacing:-.12em;color:#3a5446;white-space:nowrap;margin-right:40px}.intro-mark span{color:#819a78}.privacy-note{display:flex;gap:14px;align-items:flex-start;margin:22px 0 31px;padding:14px 18px;border:1px solid #e6d8a5;background:#fbf6e7;border-radius:12px;font-size:13px;line-height:1.6;color:#735d24}.privacy-note strong{white-space:nowrap}.shelf-toolbar{flex-wrap:wrap;margin-bottom:18px}.tabs{display:flex;gap:6px;flex:1}.tabs button{border-color:transparent}.tabs button.active{background:#263a32;color:white}.search{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}.search input{min-width:205px;border:1px solid var(--line);background:#f9f8f3;border-radius:10px;padding:11px 12px;outline:none}.search input:focus{border-color:var(--accent)}.import-button,.primary{display:inline-flex;align-items:center;justify-content:center;border:1px solid #263a32;background:#263a32;color:#fff;border-radius:10px;padding:11px 17px;cursor:pointer;white-space:nowrap}.import-button:hover,.primary:hover{background:#3c5a4a}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:20px}.book-card{display:flex;flex-direction:column;text-align:left;border:1px solid #dadbd2;border-radius:17px;background:#f8f7f1;overflow:hidden;min-height:305px;padding:0;box-shadow:0 8px 28px #2b37210c;transition:transform .18s,box-shadow .18s}.book-card:hover{transform:translateY(-4px);box-shadow:0 15px 35px #2b372126}.book-cover{height:195px;display:flex;flex-direction:column;justify-content:space-between;padding:20px;color:#f8f7ed;background:linear-gradient(145deg,var(--cover),#17251f);position:relative;overflow:hidden}.book-cover:after{content:"";width:140px;height:220px;border:1px solid #ffffff24;border-radius:50%;position:absolute;right:-55px;top:-35px;transform:rotate(25deg)}.book-cover .cover-kicker{font-size:10px;letter-spacing:2px;opacity:.75}.book-cover strong{z-index:1;font:700 24px/1.35 Georgia,"Songti SC",serif;max-width:160px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.book-meta{padding:16px 17px 19px;display:grid;gap:6px}.book-meta strong{font-size:16px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.book-meta small{font-size:12px;color:var(--muted)}.book-meta .book-progress{font-size:12px;color:#51715a}.book-card .badge{font-size:10px;padding:3px 6px;background:#e6e9df;border-radius:4px;color:#647665;width:max-content}.shelf-foot{border-top:1px solid var(--line);margin-top:40px;padding-top:16px;color:#78837a;font-size:12px;line-height:1.7}.storage-message{min-height:22px;color:#9c582b;font-size:13px}.reader-view{height:calc(100vh - 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25px));width:100%;padding:0 22px 24px}dialog::backdrop{background:#101a12a8}dialog>p{line-height:1.7;font-size:14px}.dialog-head{padding:19px 0}.dialog-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.warning{color:#9c5a31}.note-label{display:grid;gap:9px}.note-label textarea{border:1px solid var(--line);border-radius:9px;padding:12px;resize:vertical}#selected-quote{border-left:3px solid #7e9a82;margin:18px 0;padding:8px 15px;max-height:150px;overflow:auto;color:#46584a;background:#f0f2eb}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#253c2e;color:#fff;border-radius:10px;padding:10px 16px;z-index:20;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}.empty{grid-column:1/-1;text-align:center;padding:65px 20px;border:1px dashed #b8c4b6;border-radius:13px;color:var(--muted)}body.reader-theme-sepia{--paper:#f2e5cd;--ink:#4c3d2c;--muted:#806f5b;--line:#d8c8ae}body.reader-theme-dark{--paper:#202523;--ink:#e1e4da;--muted:#a4b1a5;--line:#3b4840}body.reader-theme-dark .reader-toolbar .quiet,body.reader-theme-dark .reader-toolbar{color:var(--ink)}body.reader-theme-dark .reading-footer,body.reader-theme-dark .page-arrow{color:var(--muted)}@media(max-width:750px){.topbar{padding:0 12px;height:60px}.brand>a{font-size:0}.brand>a:before{content:"←";font-size:22px}.brand>span{font-size:18px}.top-actions{gap:5px}.top-actions .quiet{padding:7px 8px;font-size:12px}.offline-pill{display:none}.intro{padding:28px;min-height:230px}.intro-mark{display:none}.shelf-view{padding:20px 13px 45px}.privacy-note{font-size:12px}.tabs{width:100%;overflow:auto}.tabs button{white-space:nowrap;font-size:12px;padding:8px}.search{flex:1}.search input{min-width:0;width:100%}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.book-card{min-height:250px}.book-cover{height:150px}.book-cover strong{font-size:19px}.reader-view{height:calc(100dvh - 60px)}.reader-toolbar{padding:7px 9px;flex-wrap:wrap;gap:4px;min-height:82px}.reader-toolbar .quiet{font-size:12px;padding:6px}.reader-title{flex:1;max-width:50vw;font-size:12px}.reader-actions{width:100%;justify-content:space-around}.page-arrow{width:25px;font-size:29px}.reading-footer{padding:5px 9px;min-height:47px}.reading-footer>span{min-width:0}.reader-hint{display:none}.progress-wrap{width:50vw}.shelf-foot{font-size:11px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}