@charset "UTF-8";
:root{--paper:#f6f5ef;--surface:#fffef9;--ink:#242b26;--muted:#777c72;--line:#dedfd4;--green:#455c43;--soft:#e9eddf;--reader-size:19px;color-scheme:light}
:root[data-theme=dark]{--paper:#1b211e;--surface:#232c26;--ink:#e7ebdf;--muted:#a5afa2;--line:#3c493f;--green:#c0d4ab;--soft:#333e32;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,article:focus-visible{outline:3px solid #a8b38e;outline-offset:4px}[hidden]{display:none!important}.muted,.quiet{color:var(--muted)}.quiet{font-size:12px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:.16em;color:var(--green);text-transform:uppercase}.brand{font-family:Georgia,"Songti SC",SimSun,serif;font-size:29px;font-weight:bold;letter-spacing:.1em;display:flex;align-items:center;gap:17px}.brand span{border-left:1px solid var(--line);padding-left:17px;font-family:system-ui;font-size:9px;letter-spacing:.19em;font-weight:500;line-height:1.5;max-width:95px}.shelf-header{max-width:1320px;padding:27px 60px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.header-actions{display:flex;gap:22px;align-items:center}.icon-button,.text-button{background:none;border:0;color:var(--ink);padding:8px;min-width:38px;min-height:40px}.icon-button{font-size:18px}.text-button{font-size:12px}.shelf-main{max-width:1320px;margin:auto;padding:0 60px}.welcome{display:grid;grid-template-columns:1.2fr 1fr;gap:90px;align-items:center;padding:64px 0 56px}.welcome h1{font-family:Georgia,"Songti SC",SimSun,serif;font-size:49px;line-height:1.35;letter-spacing:-.025em;font-weight:500;margin:19px 0 20px}.intro{color:var(--muted);font-size:14px;line-height:1.9}.continue-card{position:relative;display:block;background:var(--soft);padding:27px 32px;border-radius:4px;min-height:245px;max-width:465px}.continue-card:before{content:"";height:100%;width:5px;position:absolute;left:0;top:0;background:var(--green);opacity:.25}.continue-card .eyebrow{display:flex;justify-content:space-between}.continue-card h2{font-family:Georgia,"Songti SC",SimSun,serif;font-size:26px;font-weight:500;margin:22px 0 6px}.continue-card p{color:var(--muted);font-size:13px;margin:0 0 23px}.continue-card .quiet{display:block;font-size:10px;margin-top:14px}.start-link{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--green);padding-top:6px}.progress-track{height:3px;background:var(--line);overflow:hidden}.progress-track i{display:block;height:100%;background:var(--green);width:0}.library-heading{border-top:1px solid var(--line);padding-top:33px;display:flex;justify-content:space-between;gap:22px;align-items:center}.library-heading .eyebrow{margin:0 0 8px}.library-heading h2{font-size:25px;font-weight:500;margin:0}.library-heading h2 span{font:11px system-ui;color:var(--muted);vertical-align:middle;border:1px solid var(--line);border-radius:30px;padding:3px 8px;margin-left:7px}.searchbox{display:flex;gap:10px;align-items:center;border-bottom:1px solid #aeb4a5;min-width:325px;padding:8px 0}.searchbox>span{font-size:25px;line-height:1}.searchbox input{border:0;background:none;width:100%;font-size:12px;color:var(--ink);outline:none}.searchbox kbd{font-size:10px;border:1px solid var(--line);padding:0 5px;color:var(--muted)}.categories{display:flex;gap:8px;flex-wrap:wrap;margin:27px 0 30px}.category{background:none;border:1px solid transparent;border-radius:30px;padding:7px 15px;color:var(--muted);font-size:12px}.category.active{background:var(--ink);color:var(--paper)}.category:hover:not(.active){border-color:var(--line)}.book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:37px 28px}.book-card{position:relative;min-width:0}.book-cover{height:245px;padding:23px 20px;position:relative;background:var(--cover);color:var(--cover-ink,#fff);box-shadow:5px 7px 14px #20251c12;border-radius:1px 4px 4px 1px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;transition:transform .2s,box-shadow .2s}.book-cover:before{content:"";position:absolute;left:5px;top:0;bottom:0;width:1px;background:#ffffff25;box-shadow:3px 0 5px #0002}.book-cover:hover{transform:translateY(-5px);box-shadow:6px 12px 20px #20251c20}.cover-top{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.12em;opacity:.75}.cover-title{font:500 26px/1.5 Georgia,"Songti SC",SimSun,serif;letter-spacing:.04em;max-width:180px;margin:15px 0}.cover-author{font-size:9px;opacity:.7;letter-spacing:.015em}.cover-rule{height:1px;background:currentColor;opacity:.25;margin-bottom:13px;width:38px}.book-card .book-title{font-size:14px;font-weight:600;margin:16px 31px 5px 0;line-height:1.5}.book-card .book-meta{font-size:10px;color:var(--muted)}.favorite{position:absolute;right:-5px;bottom:9px;font-size:21px;padding:4px;border:0;background:none;color:var(--muted);min-width:34px;min-height:34px}.favorite.is-favorite{color:#9b6e39}.book-description{font-size:11px;color:var(--muted);margin:8px 0 0}.book-progress{font-size:10px;color:var(--green);margin-top:8px}.shelf-footer{border-top:1px solid var(--line);margin-top:66px;padding:25px 0;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.empty{text-align:center;padding:60px;color:var(--muted)}#search-results{margin-bottom:28px}.search-result{display:block;background:var(--surface);border:1px solid var(--line);padding:18px 22px;margin-bottom:9px}.search-result h3{font-size:14px;margin:0 0 5px}.search-result p{font-size:12px;color:var(--muted);margin:0}.result-label{font-size:11px;color:var(--green);margin-bottom:12px}.loading{padding:30vh 20px;text-align:center;color:var(--muted)}
.login-view{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;max-width:1250px;margin:auto;align-items:center;gap:110px;padding:70px}.login-form{max-width:365px}.login-form .brand{margin-bottom:65px}.login-form h1{font:500 47px/1.4 Georgia,"Songti SC",SimSun,serif;margin:20px 0}.login-form .muted{font-size:13px;margin-bottom:32px}.login-form label{display:block;font-size:12px;margin-bottom:7px}.login-form input{display:block;width:100%;padding:13px 15px;background:var(--surface);border:1px solid var(--line);border-radius:3px;color:var(--ink);font-size:13px}.primary,.secondary{border:0;border-radius:3px;min-height:43px;padding:11px 21px;font-size:12px}.primary{background:var(--green);color:var(--paper)}.secondary{background:var(--soft);color:var(--ink)}.login-form .primary{margin-top:15px;width:100%;display:flex;justify-content:space-between}.login-form small{display:block;color:var(--muted);font-size:10px;margin-top:29px}.login-form [role=alert]{color:#a14735;font-size:12px}.login-art{height:470px;background:var(--soft);display:flex;align-items:center;justify-content:center;gap:14px;border-radius:240px 240px 3px 3px;overflow:hidden;padding-top:75px}.login-spine{writing-mode:vertical-rl;padding:24px 22px;background:#465746;color:#f6f1df;font:22px/1.4 "Songti SC",SimSun,serif;letter-spacing:.12em;height:290px;box-shadow:7px 5px 9px #0002}.login-spine:nth-child(2){background:#a86245;height:330px;transform:rotate(8deg)}.login-spine:nth-child(3){background:#bdac87;color:#343c31;height:310px}
.reader-header{position:sticky;top:0;height:68px;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--paper);border-bottom:1px solid var(--line);z-index:20}.back-link{font-size:12px;white-space:nowrap;color:var(--muted)}.reader-book-title{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reader-tools{display:flex;gap:3px;align-items:center;white-space:nowrap}.reader-layout{display:grid;grid-template-columns:280px minmax(0,1fr);max-width:1500px;margin:auto}#reader-aside{position:sticky;top:68px;height:calc(100vh - 68px);overflow-y:auto;border-right:1px solid var(--line);padding:28px 20px}.toc-heading{padding:0 12px 20px}.toc-heading h2{font-size:18px;font-weight:500;line-height:1.6;margin:10px 0}.toc-heading p.quiet{font-size:10px;line-height:1.8}.toc-item{display:block;padding:10px 12px;font-size:11px;line-height:1.7;color:var(--muted);border-radius:3px;margin:2px 0}.toc-item.active{background:var(--soft);color:var(--green);font-weight:600}.toc-item:hover{color:var(--ink);background:var(--soft)}.source-link{display:block;font-size:11px;margin:30px 12px;color:var(--green)}#reading-main{width:100%;max-width:900px;margin:0 auto;padding:43px 60px 60px;min-height:90vh}.chapter-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:35px}.chapter-meta .quiet{font-size:10px}.chapter-content{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:var(--reader-size);line-height:1.95;overflow-wrap:anywhere}.chapter-content h1,.chapter-content h2,.chapter-content h3{line-height:1.5;font-weight:550;margin:1.8em 0 .85em;scroll-margin-top:95px}.chapter-content h1{font-family:Georgia,"Songti SC",SimSun,serif;font-size:1.8em;margin-top:0}.chapter-content h2{font-size:1.4em}.chapter-content h3{font-size:1.15em}.chapter-content p{margin:.95em 0}.chapter-content img{display:block;max-width:100%;height:auto;margin:25px auto;background:#fff}.chapter-content pre{padding:19px;background:var(--soft);border-radius:3px;overflow:auto;font-size:.74em;line-height:1.75;overflow-wrap:normal}.chapter-content code{font-family:Consolas,"SFMono-Regular",monospace}.chapter-content :not(pre)>code{font-size:.85em;background:var(--soft);padding:2px 4px;border-radius:2px}.chapter-content table{border-collapse:collapse;width:100%;font-size:.8em;display:block;overflow:auto}.chapter-content td,.chapter-content th{border:1px solid var(--line);padding:9px 13px;vertical-align:top}.chapter-content a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.chapter-content blockquote{border-left:3px solid #a8b38e;margin:25px 0;padding:2px 20px;color:var(--muted)}.chapter-content li{margin:8px 0}.chapter-content hr{border:0;border-top:1px solid var(--line);margin:35px 0}.chapter-end{text-align:center;color:var(--muted);margin:70px 0 35px;font-size:17px}.chapter-end p{font-size:11px}.chapter-navigation{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;align-items:center;gap:12px}.reading-progress{height:2px;background:transparent;position:fixed;top:66px;left:0;width:100%;z-index:25}.reading-progress i{display:block;height:100%;width:0;background:var(--green)}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:11px 21px;border-radius:5px;font-size:12px;z-index:100;box-shadow:0 5px 25px #0002}.pdf-panel{padding:40px 25px;background:var(--soft);text-align:center}.pdf-panel h1{font-size:27px}.pdf-panel p{font-size:13px;color:var(--muted)}.pdf-panel a{display:inline-block;margin-top:20px}.pdf-panel a.primary{color:var(--paper);text-decoration:none}
@media(min-width:1001px){#toc-toggle{display:none}}@media(max-width:1100px){.book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.shelf-header,.shelf-main{padding-left:38px;padding-right:38px}.welcome{gap:45px}.welcome h1{font-size:43px}.reader-layout{grid-template-columns:245px minmax(0,1fr)}#reading-main{padding-left:35px;padding-right:35px}.login-view{gap:60px;padding:50px}}@media(max-width:1000px){.reader-layout{display:block}#reader-aside{display:none;position:fixed;top:68px;bottom:0;left:0;width:290px;background:var(--surface);z-index:15;box-shadow:15px 0 40px #0002}#reader-aside.open{display:block}#reading-main{max-width:830px}.reader-book-title{max-width:300px}}@media(max-width:650px){.shelf-header{padding:18px 22px}.brand{font-size:25px}.brand span{font-size:8px;max-width:90px}.header-actions{gap:6px}.header-actions>.quiet{display:none}.shelf-main{padding:0 22px}.welcome{grid-template-columns:1fr;gap:24px;padding:35px 0}.welcome h1{font-size:35px;margin:13px 0}.intro{font-size:12px}.continue-card{min-height:185px;max-width:none;padding:22px 24px}.continue-card h2{font-size:23px;margin-top:15px}.continue-card p{margin-bottom:13px}.library-heading{align-items:flex-start;flex-direction:column;gap:17px;padding-top:27px}.library-heading h2{font-size:22px}.searchbox{min-width:0;width:100%}.categories{gap:1px;margin:20px 0 25px}.category{font-size:10px;padding:7px 11px}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:27px 18px}.book-cover{height:218px;padding:18px 15px}.cover-title{font-size:22px}.cover-author{font-size:8px}.cover-top{font-size:8px}.book-card .book-title{font-size:12px;margin-top:13px}.book-description{display:none}.book-card .book-meta{font-size:9px}.shelf-footer{margin-top:40px;display:block;font-size:9px}.shelf-footer span{display:block;margin:5px 0}.reader-header{padding:0 14px;gap:9px;height:60px}.back-link span{display:none}.reader-book-title{font-size:11px;max-width:150px}.reader-tools{gap:0}.reader-tools button{padding:5px;min-width:33px;font-size:12px}#reader-aside{top:60px;height:calc(100vh - 60px)}#reading-main{padding:27px 23px 40px}.chapter-meta{margin-bottom:23px}.chapter-content{font-size:calc(var(--reader-size) - 1px)}.chapter-content h1{font-size:1.6em}.reading-progress{top:58px}.chapter-navigation{gap:6px}.chapter-navigation button{padding:9px 13px}.chapter-navigation .quiet{font-size:10px}.login-view{display:block;padding:36px 27px}.login-art{display:none}.login-form{margin:0 auto}.login-form .brand{margin-bottom:70px}.login-form h1{font-size:42px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}