@charset "UTF-8";
:root{--bg:#fbfaf6;--side:#f1f0ea;--surface:#fffefa;--text:#2e3935;--muted:#8b938b;--line:#e4e6de;--accent:#3e6557;--accent-soft:#e3ebe2;--font-size:18px;--read-width:680px;--shadow:0 16px 60px #26342a18;color-scheme:light}
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output{color:var(--muted);font-size:12px}input[type=range]{width:100%;accent-color:var(--accent);min-height:44px}.theme-options{display:flex;gap:10px}.theme-options button{flex:1;border:1px solid var(--line)}.theme-options button[data-theme=paper]{background:#fbfaf6;color:#38463b}.theme-options button[data-theme=warm]{background:#f5eddc;color:#66583c}.theme-options button[data-theme=dark]{background:#232c28;color:#d2d9d0}.theme-options button.selected{outline:2px solid var(--accent);outline-offset:2px}select{width:100%;padding:12px;border:1px solid var(--line);background:var(--bg);border-radius:8px}.dialog-actions{display:flex;justify-content:space-between;gap:6px;border-top:1px solid var(--line);margin-top:30px;padding-top:16px}.dialog-actions button{font-size:12px;color:var(--accent);padding:8px}.wide-btn{width:100%;border:1px solid var(--line);font-size:12px;margin-top:12px}.fine-print{font-size:11px;color:var(--muted);line-height:1.8}.guide{padding-left:22px;font-size:14px}.guide li{margin:25px 0;padding-left:5px}.guide p{font-size:13px;color:var(--muted);line-height:1.8}.help-note{font-size:12px;line-height:1.8;background:var(--side);border-radius:9px;padding:16px}#source-dialog{width:min(900px,calc(100vw - 30px))}#source-content{font:13px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--side);padding:20px;border-radius:8px}.toast{position:fixed;bottom:70px;left:50%;transform:translateX(-50%);padding:12px 20px;color:var(--surface);background:var(--text);border-radius:10px;box-shadow:var(--shadow);font-size:13px;z-index:100;max-width:90vw;text-align:center}.scrim{position:fixed;inset:0;background:#233a3440;z-index:29;backdrop-filter:blur(2px)}body.dragging:after{content:"松开文件，开始阅读";position:fixed;inset:15px;border:2px dashed var(--accent);background:var(--bg);z-index:80;display:grid;place-items:center;font-size:26px;border-radius:16px;pointer-events:none}body[data-theme=warm]{--bg:#f7f0e0;--side:#eee6d3;--surface:#fcf6e8;--text:#4f4838;--muted:#938a72;--line:#e3d9c2;--accent:#74623d;--accent-soft:#ece2cb}body[data-theme=dark]{--bg:#202723;--side:#19211d;--surface:#27302a;--text:#d8dfd6;--muted:#839386;--line:#354337;--accent:#a1c2a4;--accent-soft:#2d3d31;color-scheme:dark}body[data-theme=dark] .primary{color:#19211d}body[data-theme=dark] .brand-icon{color:#19211d}body[data-theme=dark] .primary:hover{background:#c1d6bc}
@media(min-width:1500px){.reading-space{padding-left:80px;padding-right:70px}.toc{width:220px}}
@media(max-width:1180px){.sidebar{width:240px;padding:30px 16px 20px}main{margin-left:240px}.bottom-bar{left:240px}.reading-space{padding:42px 35px 75px}.toc{width:155px;padding-right:16px}.toolbar{padding:0 24px}.document-meta{gap:12px}.eyebrow{letter-spacing:1.4px}#saved-state{display:none}}
@media(max-width:950px){.toc{position:fixed;right:0;top:78px;height:calc(100dvh - 115px);width:240px;padding:25px;background:var(--surface);z-index:20;border-left:1px solid var(--line);box-shadow:var(--shadow)}.toc-title button{display:grid}.toc-hint{margin-top:35px}.reading-space{padding:42px 36px 75px}.document-meta{font-size:9px}}
@media(max-width:950px){.sidebar{width:272px;transform:translateX(-100%);transition:transform .2s}.sidebar.open{transform:translateX(0)}main{margin-left:0}.bottom-bar{left:0;padding-left:22px;padding-right:22px}.mobile-only{display:grid}.toolbar{height:68px;padding:0 12px;gap:7px}.toolbar-left{gap:8px}.toolbar-right{gap:0}.toolbar-right .icon-btn{width:40px;min-width:40px}.file-pill{display:none}#current-file{max-width:35vw;font-size:12px}.reading-space{padding:35px 24px 65px}.document-meta{gap:10px;margin-bottom:30px}.eyebrow{font-size:8px;letter-spacing:1.5px}.markdown h1{font-size:1.7em}.markdown h2{margin-top:38px}.markdown pre{padding:16px}.markdown blockquote{padding-left:18px;padding-right:18px}.toc{top:68px;height:calc(100dvh - 105px)}.search-panel{top:68px;padding:4px 12px}.search-panel .icon-btn{min-width:35px;width:35px}.search-panel input{width:80px;padding:9px 0}.desktop-label{display:none}dialog{padding:22px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.sidebar,.toolbar,.toc,.bottom-bar,.document-meta,.reading-footer,.search-panel,.copy-code,.toast,dialog{display:none!important}main{margin:0}.reading-space{padding:0}.markdown{max-width:none;color:#000;font-size:12pt}.markdown pre,.markdown blockquote{break-inside:avoid}.markdown h1,.markdown h2,.markdown h3{break-after:avoid}body{background:#fff!important;--text:#000!important;--side:#f4f4f4!important;--accent:#333!important;--accent-soft:#f4f4f4!important;--line:#ddd!important}a{color:#000}mark{background:transparent!important}}