:root{--paper:#faf9f5;--surface:#f4f2eb;--ink:#292d28;--sub:#6c7269;--line:#e1e3d9;--accent:#a35d42;--green:#385449;--serif:Georgia,"Times New Roman",serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;--reading:18px;--readwidth:900px;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px}button,input{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.35}a{color:inherit;text-underline-offset:4px}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button{border:0;background:none}svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.5;fill:none}::selection{background:#eedac8}button,input{border-radius:5px}#sidebar{position:fixed;inset:0 auto 0 0;width:280px;border-right:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;z-index:20;padding:29px 20px 18px}.identity{display:flex;gap:13px;align-items:center;text-decoration:none;padding:0 9px}.identity-mark{font:40px/.9 var(--serif);letter-spacing:-5px}.identity-mark span{font:21px/1 var(--sans);display:inline-block;transform:translateY(-9px);letter-spacing:-2px}.identity b{font-size:13px;letter-spacing:2.5px;font-weight:650}.identity small{display:block;margin-top:7px;font-size:10px;letter-spacing:2px;color:var(--sub)}.edition{margin:32px 9px 22px}.edition>span{font-size:8px;letter-spacing:1.7px;color:var(--sub)}.edition strong{display:block;margin-top:9px;font-size:15px;font-weight:550}.edition p{font-size:11px;color:var(--sub);margin:7px 0 0}.search-button{display:flex;align-items:center;gap:9px;border:1px solid #d5d9ce;background:#fbfbf7;padding:10px 11px;width:100%;text-align:left;color:var(--sub);font-size:12px}.search-button svg{width:17px;height:17px}.search-button kbd{margin-left:auto;font:10px var(--sans);color:#92968c}.toc-caption{display:flex;align-items:center;justify-content:space-between;margin:29px 10px 13px;font-size:9px;letter-spacing:1.5px;color:#828777}#toc{flex:1;overflow:auto;scrollbar-width:thin;padding-right:3px}.toc-link{display:flex;gap:10px;align-items:baseline;padding:11px 10px;color:#62695e;text-decoration:none;border-left:2px solid transparent;margin:2px 0;line-height:1.4;border-radius:0 5px 5px 0}.toc-link:hover{background:#eaece3}.toc-link.active{border-left-color:var(--accent);background:#e8ebdf;color:#2b4236}.toc-link .num{font:10px var(--serif);min-width:16px;color:#8c9284}.toc-link .toc-title{font-size:12px;font-weight:550}.toc-link .toc-en{font-size:9px;letter-spacing:.1px;display:block;font-weight:400;margin-top:4px;opacity:.75}.toc-link .page-ref{margin-left:auto;font:10px var(--serif);color:#858b7c}.side-bottom{padding:16px 10px 0;border-top:1px solid #dce0d3;margin-top:12px}.side-bottom a{display:flex;justify-content:space-between;font-size:11px;text-decoration:none}.side-bottom p{font-size:9px;color:#8b9084;margin-bottom:0}.workspace{margin-left:280px}.topbar{height:72px;position:sticky;top:0;z-index:10;background:#faf9f5f2;backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding:0 36px}.crumb{display:flex;gap:13px;align-items:center;font-size:12px;color:var(--sub);min-width:0}.crumb b{font-size:11px;font-weight:500;white-space:nowrap}.crumb-slash{color:#a9ad9f}#chapter-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.top-actions{display:flex;gap:15px;align-items:center;flex-shrink:0}.language-tabs{display:flex;border:1px solid #dce0d4;border-radius:6px;padding:3px;background:#f0f2e9}.language-tabs button{font-size:11px;padding:6px 10px;color:#737b6c}.language-tabs button[aria-pressed=true]{background:var(--paper);color:#304335;box-shadow:0 1px 3px #27351c12}.icon-button{font-size:24px;line-height:1;min-width:30px;min-height:30px}.text-settings{font-family:var(--serif);font-size:20px}.source-button{font-size:11px;border-left:1px solid var(--line);padding:7px 0 7px 17px}.source-button span{margin-left:5px;color:var(--accent)}.progress-track{position:fixed;top:71px;left:280px;right:0;height:2px;z-index:11;pointer-events:none}#read-progress{width:0;height:2px;background:var(--accent);transition:width .15s}main{max-width:var(--readwidth);margin:auto;padding:51px 44px 25px;outline:0}.eyebrow{display:flex;align-items:center;gap:12px;font-size:9px;letter-spacing:1.2px;color:#7a8173}.version-dot{width:3px;height:3px;background:#a7ad9f;border-radius:50%}.page-intro{border-bottom:1px solid var(--line);padding-bottom:29px;margin-bottom:33px}.page-intro h1{font-size:31px;line-height:1.45;font-weight:550;letter-spacing:-.6px;margin:18px 0 8px}.page-intro>p{font:15px var(--serif);color:var(--sub);margin:0}.pair{position:relative;margin:0 0 31px;scroll-margin-top:100px}.pair .en{font:var(--reading)/1.72 var(--serif);color:#5b6258;margin:0 0 10px;overflow-wrap:anywhere}.pair .zh{font-size:calc(var(--reading) - 1px);line-height:1.95;letter-spacing:.2px;margin:0;color:#2c352c;overflow-wrap:anywhere}.pair .en::before,.pair .zh::before{display:block;font:8px/1 var(--sans);letter-spacing:1.2px;margin:0 0 9px;color:#929b8a}.pair .en::before{content:'EN'}.pair .zh::before{content:'中';color:#b27356}.pair.heading{margin:34px 0 23px}.pair.heading .en{color:#344237;font-size:calc(var(--reading) + 1px);font-weight:bold}.pair.heading .zh{font-size:calc(var(--reading) + 2px);font-weight:600}.pair.heading .en::before,.pair.heading .zh::before{display:none}.pair .permalink{position:absolute;left:-27px;top:17px;text-decoration:none;font-size:13px;opacity:0;color:#9eaa98}.pair:hover .permalink,.pair .permalink:focus{opacity:1}.pair:target,.pair.highlight{background:#f1eadb;box-shadow:0 0 0 10px #f1eadb;border-radius:3px}.missing{color:#8b786a!important;font:12px/1.6 var(--sans)!important;background:#f3eade;padding:10px 13px;border-radius:4px}.loading{padding:80px 0;text-align:center;color:var(--sub)}.table-block{margin:32px -12px 37px;scroll-margin-top:90px}.table-caption{display:flex;justify-content:space-between;margin:0 12px 12px;font-size:10px;color:var(--sub);letter-spacing:.4px}.table-scroll{overflow:auto;border:1px solid var(--line);border-radius:7px;background:#fcfcf9;scrollbar-width:thin}table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;font-size:13px;line-height:1.6}td,th{padding:10px 12px;border-bottom:1px solid #e3e6dc;vertical-align:top;min-width:45px}tr:nth-child(even){background:#f3f5ed}tr:last-child td{border-bottom:0}td:first-child{min-width:170px}td .cell-en{font:13px/1.5 var(--serif);color:#626b5d}td .cell-zh{font-size:12px;line-height:1.65;margin-top:6px;color:#283b2d}td.numeric{white-space:nowrap;text-align:right;font-family:var(--serif);color:#34422e}td.empty{min-width:0;padding:0 3px}.figure-block{margin:30px 0}.figure-block img{width:100%;max-height:360px;object-fit:contain;border:1px solid var(--line);background:white;border-radius:5px;cursor:zoom-in}.figure-block figcaption{font-size:10px;color:var(--sub);margin-top:8px;display:flex;justify-content:space-between}.figure-text{margin:25px 0}.figure-text summary{font-size:12px;color:var(--green);cursor:pointer;padding:11px 0;border-bottom:1px solid var(--line);margin-bottom:20px}.page-turner{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:55px 0 26px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.page-turner>button{display:flex;align-items:center;gap:17px;text-align:left;padding:8px 0}.page-turner>button>span{font-size:24px;font-family:var(--serif);color:#6a7b5f}.page-turner small{display:block;font-size:8px;letter-spacing:1.7px;color:#939a89;margin-bottom:6px}.page-turner b{font-size:12px;font-weight:500}.jump-wrap{display:flex;align-items:center;gap:8px;font-size:10px;color:var(--sub)}#page-jump{width:62px;background:#f3f4ed;border:1px solid #dce0d3;text-align:center;color:#40523c;padding:7px;font-size:12px}.reader-footer{display:flex;align-items:baseline;justify-content:space-between;gap:14px;font-size:9px;color:#8b9183;line-height:1.8}.reader-footer button{font-size:9px;color:#6c7f61;text-decoration:underline;text-underline-offset:3px;padding:0 0 0 8px}dialog{border:1px solid #d9ded1;background:var(--paper);color:var(--ink);border-radius:12px;box-shadow:0 20px 100px #17230c33;width:min(780px,calc(100vw - 32px));padding:25px;max-height:85vh}dialog::backdrop{background:#28302066;backdrop-filter:blur(4px)}.dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:22px}.dialog-head h2{font-size:18px;letter-spacing:.2px;font-weight:550;margin:2px 0 0}.dialog-head p{font-size:11px;color:var(--sub);margin:8px 0 0}.dialog-head-actions{display:flex;gap:18px;align-items:center}.dialog-head-actions a{font-size:11px;white-space:nowrap;color:var(--green)}.search-field{display:flex;align-items:center;gap:12px;border:1px solid #cbd2c1;background:white;border-radius:6px;padding:12px}.search-field input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}.search-field kbd{font-size:9px;color:#949c89}#search-meta{font-size:11px;color:var(--sub);margin:17px 0}#search-results{max-height:52vh;overflow:auto}.search-result{display:block;width:100%;text-align:left;padding:15px 11px;border-top:1px solid var(--line);line-height:1.65}.search-result:hover{background:#eef1e6}.search-result small{font-size:10px;color:var(--accent)}.search-result p{font-size:12px;margin:6px 0 0;color:#64705e}.search-result mark{background:#e8d8ae;color:#293123}.empty-results{padding:30px;color:var(--sub);text-align:center}#original-dialog{width:min(1000px,calc(100vw - 24px));height:92vh;max-height:92vh;overflow:hidden;padding:20px}#original-frame{border:1px solid var(--line);background:#e9e7e2;width:100%;height:calc(100% - 85px);border-radius:5px}#settings-dialog{max-width:450px}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.setting-row label{font-size:13px;white-space:nowrap}.setting-row input[type=range]{accent-color:var(--green);flex:1;min-width:80px}.setting-row input[type=checkbox]{accent-color:var(--green);width:18px;height:18px}.settings-hint{font-size:11px;color:var(--sub);line-height:1.8;margin-top:25px}.note-copy{font-size:14px;line-height:1.9;color:#53604e}.note-copy a{font-size:12px;color:var(--green)}#preview-notice{padding:12px 15px;border:1px solid #e5d3bd;background:#faf0df;font-size:12px;line-height:1.7;color:#806b51;margin:0 0 25px;border-radius:5px}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#30402d;color:white;padding:12px 22px;border-radius:7px;font-size:12px;z-index:100}.lang-en .zh,.lang-en .cell-zh{display:none!important}.lang-zh .en,.lang-zh .cell-en{display:none!important}.lang-zh .cell-zh{margin-top:0}.lang-en .pair .en::before,.lang-zh .pair .zh::before{display:none}#menu-open,#sidebar-close{display:none}.shade{position:fixed;inset:0;background:#1f2b1966;z-index:19}.wide{--readwidth:1150px}
@media(min-width:1700px){main{padding-top:65px}.topbar{padding:0 60px}#sidebar{width:300px;padding:35px 25px}.workspace{margin-left:300px}.progress-track{left:300px}}
@media(max-width:1150px){#sidebar{width:245px;padding:24px 15px}.workspace{margin-left:245px}.progress-track{left:245px}.topbar{padding:0 24px}.top-actions{gap:10px}main{padding:39px 30px}.source-button{font-size:10px}.crumb{font-size:11px;gap:9px}.language-tabs button{padding:6px 8px}}
@media(max-width:900px){#sidebar{transform:translateX(-100%);width:280px;transition:transform .2s}.sidebar-open #sidebar{transform:translateX(0)}.workspace{margin-left:0}.progress-track{left:0}#menu-open,#sidebar-close{display:block}.topbar{height:65px;padding:0 20px}.progress-track{top:64px}.crumb{gap:10px}.source-button{border-left:0;padding-left:0}.top-actions{gap:13px}main{max-width:860px;padding:36px 35px}.page-intro h1{font-size:28px}.identity-mark{font-size:40px}}
@media(max-width:590px){:root{--reading:17px}.topbar{height:auto;min-height:66px;padding:11px 15px;align-items:center;gap:8px}.crumb{gap:6px}#chapter-label{max-width:92px}.crumb-slash,#page-label{display:none}.top-actions{gap:9px}.text-settings{display:none}.source-button{font-size:10px}.source-button span{display:none}.language-tabs button{font-size:10px;padding:6px 7px}.progress-track{top:65px}main{padding:30px 23px 22px}.eyebrow{font-size:7px;gap:8px;letter-spacing:.7px}.page-intro h1{font-size:25px;margin-top:16px}.page-intro>p{font-size:13px}.page-intro{margin-bottom:27px;padding-bottom:23px}.pair .en{font-size:calc(var(--reading) - 1px);line-height:1.72}.pair .zh{font-size:calc(var(--reading) - 1px);line-height:1.9}.pair .permalink{left:-16px;font-size:10px}.pair{margin-bottom:27px}.table-block{margin:27px -8px}.table-caption{font-size:9px}td,th{padding:9px}.page-turner{gap:9px}.page-turner>button{gap:9px}.page-turner>button b{font-size:11px}.jump-wrap{gap:5px}.jump-wrap>label{display:none}#page-total{font-size:9px}.page-turner>button>span{font-size:20px}#page-jump{width:50px}.reader-footer{display:block}.reader-footer>span{font-size:8px}.reader-footer p{margin:0 0 6px}dialog{padding:18px}.dialog-head h2{font-size:16px}#original-dialog{padding:14px}.dialog-head-actions{gap:8px}.dialog-head p{max-width:210px;line-height:1.5}.settings-hint{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{#sidebar,.topbar,.progress-track,.page-turner,.reader-footer,.permalink,dialog{display:none!important}.workspace{margin:0}main{max-width:none;padding:0}.pair{break-inside:avoid}.table-scroll{overflow:visible}body{background:white}}

td[id]{scroll-margin-top:105px}td.highlight{background:#eddfbf!important}.figure-block img:hover{border-color:#a6b59c}

.image-source{padding:12px 16px;border:1px solid var(--line);border-radius:5px;background:#f0f2ea}.image-source summary{font-size:12px;color:var(--green);cursor:pointer}.image-source[open] summary{margin-bottom:14px}

.reader-library-link{display:block;padding:12px 24px;color:#355d4b;font:600 12px system-ui;text-decoration:none;border-bottom:1px solid #deded5}.reader-library-link:focus-visible{outline:2px solid #255941;outline-offset:-3px}
@media(max-width:760px){.reader-library-link{padding:10px 14px}}
