:root{--nav:#142337;--ink:#1b2b3e;--muted:#5d6d7e;--line:#dce3eb;--accent:#a84324;--body-size:18px;--paper:#fff;--bg:#f4f6f8;color-scheme:light;font-size:16px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--ink);line-height:1.7}a{color:#23598b;text-underline-offset:4px}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.35}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #d48a50;outline-offset:3px}button{color:inherit}button:focus:not(:focus-visible),main:focus:not(:focus-visible){outline:0}[hidden]{display:none!important}.skip{position:fixed;top:-100px;left:12px;background:white;padding:10px;z-index:99}.skip:focus{top:10px}.sidebar{position:fixed;inset:0 auto 0 0;width:278px;background:var(--nav);padding:32px 24px 22px;color:#edf3fa;display:flex;flex-direction:column;z-index:40;overflow:auto}.brand{font-size:27px;font-weight:650;line-height:1.45;color:#fff;text-decoration:none}.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:.12em;margin-bottom:16px;color:#a5b7cb}.edition{font-size:13px;color:#a8bacd;margin:10px 0 26px}.search-label{font-size:12px;color:#aebed0;margin:0 0 8px}.search-box{position:relative;display:flex;align-items:center}.search-box input{min-width:0;width:100%;background:#22354c;color:white;border:1px solid #465b71;border-radius:6px;padding:11px 12px;font-size:13px}.search-box input::placeholder{color:#b2c1d1}.search-key{display:none}.nav-caption{font-size:12px;letter-spacing:.08em;color:#9eafc3;margin:24px 0 10px}#chapters{display:grid;gap:4px}#chapters a{padding:10px 11px;display:flex;align-items:baseline;gap:12px;color:#c9d6e4;text-decoration:none;font-size:14px;border-radius:5px}#chapters a>small{color:#8fa2b9;font-size:11px;font-variant-numeric:tabular-nums;min-width:20px}#chapters a.active,#chapters a:hover{background:#2b4059;color:#fff}#chapters a.active>small{color:#edb197}.saved{margin-top:22px;border-top:1px solid #3c4e63;padding:16px 10px}.saved summary{font-size:14px;cursor:pointer}.saved summary span{font-size:12px;color:#aabbcd;margin-left:8px}.saved a{color:#cddbeb;font-size:13px;display:block;padding:7px 0}.muted{color:#9cadbf;font-size:13px}.sidebar-foot{display:grid;gap:10px;margin-top:auto;padding-top:30px}.sidebar-foot a{color:#c7d6e7;font-size:13px;text-decoration:none}.sidebar-foot>span{font-size:11px;line-height:1.8;color:#91a5bc;padding-top:10px}.search-panel{padding-bottom:20px}.search-result{padding:12px 10px;margin-bottom:6px;display:block;color:#e3edf8;text-decoration:none;background:#22354c;border:1px solid #3b516b;border-radius:6px}.search-result>strong{font-size:13px;display:block;margin-bottom:7px}.search-result>span{font-size:12px;line-height:1.7;color:#b5c6d9;display:block}.search-result mark{background:#f2bd8a;color:#332113;border-radius:2px}.search-result:hover{border-color:#adbbcb}.reader-shell{margin-left:278px;min-height:100vh;padding-bottom:83px}.toolbar{position:sticky;top:0;background:rgba(255,255,255,.98);z-index:20;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:24px;justify-content:space-between;padding:15px 34px;min-height:75px}.current-chapter{font-size:14px;color:var(--muted);min-width:100px;white-space:nowrap}.view-switch{display:flex;gap:4px;padding:4px;background:#edf1f5;border-radius:7px}.view-switch button{border:0;border-radius:4px;background:transparent;padding:7px 14px;font-size:14px;white-space:nowrap}.view-switch button[aria-pressed=true]{background:white;box-shadow:0 1px 4px #192e4920;color:var(--ink);font-weight:600}.text-tools{display:flex;gap:6px}.tool{background:white;border:1px solid #cbd5df;border-radius:5px;padding:6px 10px;font-size:14px}.menu{display:none}.resume{background:#e9f0f7;border-bottom:1px solid #c6d4e1;padding:10px 34px;display:flex;gap:14px;align-items:center;font-size:13px;color:#3b526b}.resume button{border:0;background:transparent;color:#245a8b;font-size:13px;text-decoration:underline}.resume button:last-child{margin-left:auto;font-size:21px;text-decoration:none}main{max-width:1550px;padding:34px 44px 45px;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.eyebrow{font-size:10px;letter-spacing:.15em;color:var(--accent);font-weight:650;margin:0 0 8px}h1{font-size:26px;line-height:1.5;margin:0;letter-spacing:-.02em}.page-heading p:last-child{font-size:13px;color:var(--muted);margin:6px 0 0}.bookmark-button{flex-shrink:0;background:transparent;border:1px solid #cbd5df;border-radius:6px;padding:7px 12px;font-size:13px}.bookmark-button[aria-pressed=true]{background:#fff0e6;color:#a04324;border-color:#e0bda8}.edition-note{font-size:13px;line-height:1.8;color:#53677a;background:#e9eef4;border-left:3px solid #829ab2;padding:10px 16px;margin:0 0 25px}.page-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}.translation,.comparison{background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:36px 40px;min-width:0}.translation{max-width:1010px;width:100%;margin:auto;font-size:var(--body-size);font-family:'Songti SC','Noto Serif CJK SC','STSong',serif;line-height:1.95;overflow-wrap:anywhere}.translation p{margin:0 0 1.2em}.translation p:last-child{margin-bottom:0}.translation h1,.translation h2,.translation h3,.translation h4{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;font-weight:650;line-height:1.55;letter-spacing:-.015em}.translation h1{font-size:1.6em;margin:0 0 .9em}.translation h2{font-size:1.35em;margin:1.5em 0 .9em}.translation h3{font-size:1.15em;margin:1.3em 0 .8em}.translation h4{font-size:1.05em;margin:1.2em 0 .6em}.translation h1:first-child,.translation h2:first-child,.translation h3:first-child{margin-top:0}.translation ul,.translation ol{padding-left:1.5em;margin:0 0 1.2em}.translation li{padding-left:.2em;margin:.4em 0}.translation li>p{margin:.5em 0}.translation blockquote{border-left:3px solid #9daec0;background:#f2f5f8;margin:1.2em 0;padding:1em 1.1em;color:#334b63}.translation pre{white-space:pre-wrap;word-break:break-word;font-size:.82em;background:#f0f3f6;padding:16px;border-radius:5px;line-height:1.75;overflow-wrap:anywhere}.translation code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em;background:#edf1f5;border-radius:3px;padding:.1em .25em}.translation pre code{background:transparent;padding:0;font-size:1em}.table-scroll{overflow:auto;max-width:100%;margin:1.2em 0;border:1px solid var(--line);border-radius:5px}.translation table{border-collapse:collapse;font-family:-apple-system,'PingFang SC',sans-serif;font-size:.82em;line-height:1.75;width:100%;min-width:480px}.translation th,.translation td{padding:10px 12px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);text-align:left;vertical-align:top}.translation th{background:#eaf0f6}.translation tr:last-child td{border-bottom:0}.translation td:last-child,.translation th:last-child{border-right:0}.translation img{max-width:100%;height:auto}.translation hr{margin:28px 0;border:0;border-top:1px solid var(--line)}.figure-block{margin-top:30px;padding-top:20px;border-top:1px solid #c8d5e2}.figure-block>.figure-label{font-family:-apple-system,'PingFang SC',sans-serif;color:#6b4f39;font-size:12px;letter-spacing:.04em;margin-bottom:14px}.comparison{padding:26px}.comparison h3{font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--muted);margin:0 0 18px}.english{font:16px/1.85 Georgia,'Times New Roman',serif;white-space:pre-wrap;overflow-wrap:anywhere}.original-page{display:block;width:100%;height:auto;border:1px solid #e0e5eb}.image-caption{font-size:12px;color:var(--muted);margin:10px 0 0}.page-notes{max-width:1010px;margin:20px auto 0;border:1px solid #d7c6ae;background:#fff9ef;padding:13px 18px;border-radius:6px;color:#6b5135;font-size:13px;line-height:1.9}.page-notes summary{cursor:pointer;font-weight:600}.page-notes li{margin-top:8px}.source-bar{max-width:1010px;margin:22px auto 0;display:flex;align-items:center;gap:22px;font-size:13px;flex-wrap:wrap}.source-bar button{border:0;padding:0;color:#315d86;background:transparent;font-size:13px;cursor:pointer}.source-bar>span{color:var(--muted);font-size:12px}.reading-status{position:fixed;z-index:20;bottom:0;left:278px;right:0;display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:76px;padding:14px 34px 17px;background:rgba(255,255,255,.98);border-top:1px solid var(--line)}.page-jump{display:flex;gap:9px;align-items:center;font-size:13px;color:var(--muted)}.page-jump input{width:55px;padding:5px 2px;border:1px solid #cbd6e0;border-radius:4px;text-align:center;font-size:14px;-moz-appearance:textfield}.page-jump input::-webkit-inner-spin-button{appearance:none}.jump-button{padding:5px 10px;border:0;border-radius:4px;background:#eaf0f6;color:#315d86;font-size:13px}.progress{position:absolute;bottom:0;left:0;right:0;height:3px;background:#e4eaf0}.progress span{display:block;height:100%;width:0;background:#bc6340}.status-box{background:white;border:1px solid var(--line);padding:40px;text-align:center;border-radius:8px}.error{color:#9e3e23}.veil{display:none}.no-script{padding:40px;background:white;position:fixed;inset:0;z-index:100}.small-view-hint{font-size:12px;color:var(--muted)}
@media(min-width:1800px){main{padding:45px 64px}.translation{padding:48px 54px}.comparison{padding:34px}}
@media(max-width:1250px){.sidebar{width:242px;padding:26px 18px}.reader-shell{margin-left:242px}.reading-status{left:242px}.toolbar{padding:14px 24px;gap:12px}.current-chapter{font-size:12px}.view-switch button{padding:6px 9px;font-size:13px}main{padding:28px}.translation{padding:28px}.comparison{padding:20px}.text-tools{gap:2px}.text-tools button{padding:5px 7px}}
@media(max-width:950px){.current-chapter{display:none}.comparison{position:static;max-height:none;overflow:visible}.english{font-size:16px}.translation{max-width:none}}
@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:transform .18s ease;width:280px;max-width:88vw}.sidebar.open{transform:translateX(0)}.reader-shell{margin-left:0;padding-bottom:85px}.reading-status{left:0;padding:12px 14px 16px;gap:7px}.page-jump{gap:5px;font-size:12px}.page-jump label{display:none}.page-jump input{width:43px}.jump-button{padding:5px 6px}.menu{display:block}.toolbar{padding:12px 14px;gap:8px;min-height:65px}.view-switch{gap:0;padding:3px}.view-switch button{padding:6px 8px;font-size:12px}.text-tools button{font-size:12px;padding:5px 6px}.current-chapter{display:none}main{padding:22px 15px}.translation{padding:25px 21px;line-height:1.95}.page-heading{gap:12px}.page-heading h1{font-size:21px}.page-heading p:last-child{font-size:12px}.bookmark-button{font-size:12px;padding:6px 9px}.edition-note{font-size:12px;padding:9px 12px}.resume{padding:10px 15px;gap:7px;font-size:12px}.resume button{font-size:12px}.veil:not([hidden]){display:block;position:fixed;inset:0;background:#0c1b2b88;border:0;z-index:35}.source-bar{gap:16px}.translation table{min-width:420px}.comparison{padding:16px}.eyebrow{font-size:9px}}
@media(prefers-reduced-motion:reduce){.sidebar{transition:none}}
@media print{.sidebar,.toolbar,.reading-status,.resume,.bookmark-button,.source-bar,.page-notes,.edition-note{display:none!important}.reader-shell{margin:0;padding:0}main{padding:0}.translation{border:0;border-radius:0;padding:0;max-width:none;font-size:11pt}.comparison{display:none}.translation table{min-width:0}.table-scroll{overflow:visible}.translation h1,.translation h2,.translation h3{break-after:avoid}.translation p{orphans:3;widows:3}.page-heading{margin-bottom:25px}body{background:white}}
.page-notes{overflow-wrap:anywhere}.original-page{height:auto}.english{hyphens:auto}

.close-menu{display:none}@media(max-width:760px){.close-menu{display:block;align-self:flex-end;background:transparent;border:1px solid #6c8098;border-radius:4px;color:#edf3fa;font-size:13px;padding:4px 10px;margin-bottom:12px}}

/* All source pages stay in the document for continuous reading and browser Find. */
.report-page{margin:0 0 42px;scroll-margin-top:95px;content-visibility:visible;contain-intrinsic-size:none}
.report-page-heading{max-width:1010px;margin:0 auto 15px;display:flex;align-items:baseline;gap:14px;font-size:13px;font-weight:500;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;color:var(--muted);line-height:1.7}
.report-page-heading a{color:var(--accent);text-decoration:none;font-variant-numeric:tabular-nums;white-space:nowrap}
.report-page-heading span{overflow-wrap:anywhere}
.report-page-heading:focus-visible{outline:3px solid #d48a50;outline-offset:5px}
.reader-shell[data-view=zh] .comparison,.reader-shell[data-view=bilingual] .original-panel,.reader-shell[data-view=original] .english-panel{display:none}
.reader-shell:not([data-view=zh]) .page-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}
.comparison{position:static;max-height:none;overflow:visible}
.translation,.comparison,.page-layout,.report-page,#full-report{min-width:0}
.reading-status{padding-bottom:max(17px,env(safe-area-inset-bottom));gap:16px}
.scroll-hint{font-size:12px;color:var(--muted)}
.reading-end{padding:28px 0;text-align:center;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}
.table-scroll:focus-visible{outline:3px solid #d48a50;outline-offset:3px}
.table-scroll{overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}
@media(max-width:950px){.reader-shell:not([data-view=zh]) .page-layout{grid-template-columns:minmax(0,1fr)}.scroll-hint{display:none}}
@media(max-width:760px){
  body.menu-open{overflow:hidden}
  .reader-shell{padding-bottom:calc(85px + env(safe-area-inset-bottom))}
  .toolbar{padding:10px;gap:6px;min-height:65px}
  .view-switch{min-width:0;flex:1;justify-content:center}
  .view-switch button{padding:7px 5px;font-size:12px;min-height:40px}
  .menu{padding:6px 9px;min-height:40px}
  .text-tools{gap:2px;flex-shrink:0}.text-tools button{padding:5px;min-height:40px}
  .reading-status{left:0;padding:10px 14px max(12px,env(safe-area-inset-bottom));min-height:68px;gap:10px}
  .reading-status .bookmark-button{min-height:40px}
  .page-jump{gap:5px;min-width:0}.page-jump label{display:none}.page-jump input{width:43px;min-height:40px}.jump-button{min-height:40px;padding:5px 8px}
  .report-page{margin-bottom:32px;scroll-margin-top:80px}
  .report-page-heading{font-size:12px;gap:10px;margin-bottom:11px}
  .source-bar{gap:10px 18px}.source-bar a,.source-bar button{min-height:40px;display:inline-flex;align-items:center}
  .page-notes{padding:12px 14px}.page-notes ul,.page-notes ol{padding-left:22px}
  .translation{padding:23px 18px}
}
@media print{
  .report-page{content-visibility:visible;contain-intrinsic-size:none;break-before:page}
  .report-page:first-child{break-before:auto}.report-page-heading{break-after:avoid}
  .reading-status,.reading-end{display:none!important}
  .reader-shell:not([data-view=zh]) .page-layout{display:block}
  .comparison{display:none!important}
}

.library-back{display:block;color:#aebed0;font-size:13px;text-decoration:none;margin-bottom:20px}.library-back:hover{color:#fff}

/* Chinese reading follows paragraphs; physical PDF pages are reference anchors. */
.reader-shell[data-view=zh]{background:#faf9f5}
.reader-shell[data-view=zh] main{max-width:1050px;padding:44px 72px 60px}
.reader-shell[data-view=zh] .page-heading,.reader-shell[data-view=zh] .edition-note{max-width:40em;margin-left:auto;margin-right:auto}
.continuous-translation.translation{max-width:40em;padding:0;border:0;border-radius:0;background:transparent;line-height:1.9;overflow-wrap:break-word}
.continuous-translation>p{margin:0 0 1.05em}
.continuous-translation>h1{font-size:1.65em;margin:2.6em 0 1em;padding-top:.8em;border-top:1px solid #dedfd8}
.continuous-translation>h2{font-size:1.35em;margin:2em 0 .85em}
.continuous-translation>h3{font-size:1.15em;margin:1.7em 0 .75em}
.continuous-translation>h4{margin:1.4em 0 .7em}
.continuous-translation>h1:first-of-type{margin-top:0;padding-top:0;border-top:0}
.source-anchor{position:relative;scroll-margin-top:100px}
.source-anchor.page-start{display:block;height:0;width:0}
.source-anchor.page-start::before{content:attr(data-label);position:absolute;right:18px;top:5px;white-space:nowrap;font:11px/1.5 -apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;color:#89918c;font-variant-numeric:tabular-nums}
.source-anchor.is-continuation{display:inline}
.source-anchor:focus-visible{outline:2px solid #b47142;outline-offset:4px}
.source-anchor.is-continuation:focus-visible::before{content:attr(data-label);position:absolute;left:0;bottom:1.7em;white-space:nowrap;background:#fff8e9;color:#765236;padding:2px 5px;font:11px/1.5 sans-serif}
.translation details.figure-block{margin:1em 0 1.2em;padding:0;border:1px solid #d5dcd4;border-radius:6px;background:#f3f5ee;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif}
.translation details.figure-block>summary.figure-label{margin:0;padding:12px 15px;cursor:pointer;font-size:13px;line-height:1.65;font-weight:500;letter-spacing:0;color:#355548}
.translation details.figure-block>summary.figure-label::marker{color:#647d6b}
.translation details.figure-block[open]>summary.figure-label{border-bottom:1px solid #d5dcd4}
.translation .figure-content{padding:22px;font-size:.88em;line-height:1.85;overflow-wrap:anywhere}
.translation .figure-content h1{font-size:1.25em}
.translation .figure-content h2{font-size:1.13em}
.translation .figure-content h3,.translation .figure-content h4{font-size:1.05em}
.translation .figure-content p{margin-bottom:.9em}
.translation .figure-content ul,.translation .figure-content ol{margin-bottom:1em}
.page-extras{font:12px/1.7 -apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;color:#78867d;margin:-.25em 0 1.8em}
.page-extras>summary{cursor:pointer;min-height:28px;width:fit-content}
.page-extras[open]{padding:12px 16px;border:1px solid #dde1d9;border-radius:5px;background:#f5f5ef}
.page-extras .source-bar{margin:8px 0 0;gap:12px;font-size:12px}
.page-extras .source-bar a,.page-extras .source-bar button{font-size:12px}
.page-extras .page-notes{margin:12px 0 0;font-size:12px}
@media(max-width:1250px){
  .reader-shell[data-view=zh] main{padding:36px 58px 48px}
}
@media(max-width:760px){
  .reader-shell[data-view=zh] main{padding:26px 24px 40px}
  .continuous-translation.translation{padding:0;line-height:1.9}
  .source-anchor.page-start::before{content:attr(data-page);right:7px;top:7px;font-size:10px}
  .source-anchor{scroll-margin-top:84px}
  .translation details.figure-block>summary.figure-label{padding:11px 12px;font-size:12px;min-height:44px}
  .translation .figure-content{padding:16px;font-size:.86em}
  .page-extras>summary{min-height:36px;display:list-item;padding-top:3px}
  .page-extras{margin-bottom:1.5em}
}
@media print{
  .reader-shell[data-view=zh] main{padding:0;max-width:none}
  .continuous-translation.translation{max-width:none;font-size:11pt}
  .source-anchor::before,.page-extras{display:none!important}
  .translation details.figure-block{break-inside:avoid;background:transparent}
}