.li-ed-index,.li-ed-reader,.li-ed-home{--ed-ink:#172b39;--ed-muted:#586b77;--ed-line:#dce5e6;--ed-accent:#12665f;color:var(--ed-ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;text-align:left;box-sizing:border-box}.li-ed-index *,.li-ed-reader *,.li-ed-home *{box-sizing:border-box}.li-ed-index,.li-ed-reader{max-width:1180px;margin:0 auto;padding:70px 28px 70px}.li-ed-intro{max-width:790px;padding-bottom:25px}.li-ed-eyebrow{font-size:12px!important;letter-spacing:.16em;color:var(--ed-accent);font-weight:700;margin:0 0 16px}.li-ed-index h1,.li-ed-reader h1{font-size:clamp(28px,3.2vw,45px);line-height:1.35;letter-spacing:-.025em;color:var(--ed-ink);font-weight:700;margin:0 0 22px}.li-ed-intro>p:last-child,.li-ed-deck{font-size:18px;line-height:1.9;color:var(--ed-muted);margin:0}.li-ed-tabs{display:flex;gap:4px;flex-wrap:wrap;border-top:1px solid var(--ed-line);border-bottom:1px solid var(--ed-line);padding:10px 0;margin-bottom:35px}.li-ed-tabs a{padding:9px 14px;color:var(--ed-muted)!important;border-radius:5px;text-decoration:none!important;font-size:14px}.li-ed-tabs a[aria-current]{background:#e9f3f0;color:#0c554e!important;font-weight:700}.li-ed-tabs a:hover{background:#f2f6f5}.li-ed-section-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:12px 0 22px}.li-ed-section-head h2,.li-ed-basics h2,.li-ed-tools h2{font-size:22px;line-height:1.45;margin:0;color:var(--ed-ink);font-weight:700}.li-ed-section-head>span{font-size:13px;color:var(--ed-muted)}.li-ed-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 34px}.li-ed-card{position:relative;padding:26px 0 20px;border-top:1px solid var(--ed-line);min-width:0;display:flex;flex-direction:column}.li-ed-label{font-size:12px!important;color:var(--ed-accent)!important;margin:0 0 12px!important;font-weight:700}.li-ed-label span{color:var(--ed-muted);font-weight:400}.li-ed-card h2{font-size:23px!important;line-height:1.5!important;margin:0 0 14px!important;font-weight:700!important}.li-ed-card h2 a{color:var(--ed-ink)!important;text-decoration:none!important}.li-ed-card h2 a:hover{color:var(--ed-accent)!important;text-decoration:underline!important;text-underline-offset:5px}.li-ed-card>p{font-size:15px;line-height:1.85;color:var(--ed-muted);margin:0 0 22px}.li-ed-card-bottom{font-size:12px!important;display:flex;gap:5px;align-items:center;margin-top:auto!important;margin-bottom:0!important}.li-ed-card-bottom span{margin-left:auto;color:var(--ed-accent);font-size:20px}.li-ed-basics{border-top:1px solid var(--ed-line);padding-top:28px;margin-top:25px}.li-ed-basics ul{list-style:none;padding:0;margin:16px 0}.li-ed-basics li{padding:15px 0;border-bottom:1px solid #edf1f1}.li-ed-basics a{font-size:17px;font-weight:700;color:var(--ed-ink)!important}.li-ed-basics p{font-size:14px;color:var(--ed-muted);margin:6px 0}.li-ed-archive{margin-top:28px;padding:18px 22px;background:#f5f7f6;border-radius:6px;font-size:14px}.li-ed-archive summary{cursor:pointer;font-weight:700;color:var(--ed-ink)}.li-ed-archive li{padding:4px 0}.li-ed-archive a,.li-ed-tools a,.li-ed-back{color:var(--ed-accent)!important}.li-ed-tools{background:#f0f6f4;padding:24px 28px;margin-top:35px;border-radius:6px}.li-ed-tools p{color:var(--ed-muted);font-size:15px}.li-ed-tools>div{display:flex;gap:18px;flex-wrap:wrap}.li-ed-tools a{font-size:15px;min-height:44px;display:inline-flex;align-items:center}.li-ed-policy{font-size:12px;color:var(--ed-muted);margin-top:25px}.li-ed-back{display:inline-block;font-size:14px;margin-bottom:28px;min-height:30px}.li-ed-reader>header{max-width:900px}.li-ed-meta{font-size:12px;color:var(--ed-muted);line-height:1.9;margin:22px 0 38px}.li-ed-reading-layout{display:grid;grid-template-columns:170px minmax(0,1fr);gap:55px;border-top:1px solid var(--ed-line);padding-top:30px}.li-ed-toc{position:sticky;top:120px;align-self:start;display:flex;flex-direction:column;gap:8px;font-size:13px}.li-ed-toc strong{font-size:12px;color:var(--ed-muted);margin-bottom:6px}.li-ed-toc a{color:var(--ed-muted)!important;padding:5px 0;line-height:1.5}.li-ed-prose{min-width:0;max-width:760px}.li-ed-prose section{margin:0 0 32px;scroll-margin-top:125px}.li-ed-prose h2{font-size:22px;color:var(--ed-ink);line-height:1.4;font-weight:700;margin:0 0 14px}.li-ed-prose p{font-size:17px;line-height:1.95;margin:0}.li-ed-limit{border-left:3px solid #b98542;padding:20px 24px;background:#fcf7ee}.li-ed-source{border-top:1px solid var(--ed-line);padding-top:25px;font-size:14px;overflow-wrap:anywhere}.li-ed-source p,.li-ed-source a{font-size:14px;line-height:1.85;margin:10px 0}.li-ed-source a{color:var(--ed-accent)!important}.li-ed-home{max-width:1180px;margin:auto;padding:55px 28px 65px}.li-ed-home>.li-ed-section-head a{color:var(--ed-accent);font-size:14px}.li-ed-search-label{font-size:13px;color:var(--ed-muted);margin:0 0 22px;display:block}.li-ed-search-label input{display:block;width:100%;max-width:430px;border:1px solid #bacccb;border-radius:5px;padding:10px 12px;margin-top:8px;font:inherit;font-size:16px;background:#fff;color:var(--ed-ink)}[data-ed-count]{font-size:12px;color:var(--ed-muted)}.li-ed-index [hidden],.li-ed-reader [hidden]{display:none!important}.li-ed-index a:focus-visible,.li-ed-reader a:focus-visible,.li-ed-home a:focus-visible{outline:3px solid #aa7435;outline-offset:4px}.li-ed-legacy-note{padding:12px 18px;background:#f1f6f4;font-size:13px;line-height:1.8;color:#345b55}.li-ed-legacy-note a{color:#12665f!important}
@media(max-width:767px){.li-ed-index,.li-ed-reader{padding:40px 20px 45px}.li-ed-intro{padding-bottom:22px}.li-ed-intro>p:last-child,.li-ed-deck{font-size:16px}.li-ed-tabs{gap:2px;margin-bottom:25px}.li-ed-tabs a{font-size:13px;padding:8px 10px}.li-ed-section-head{align-items:flex-start}.li-ed-section-head>span{display:none}.li-ed-grid{grid-template-columns:1fr}.li-ed-card h2{font-size:21px!important}.li-ed-card{padding:23px 0}.li-ed-reading-layout{grid-template-columns:1fr;gap:24px;padding-top:22px}.li-ed-toc{position:static;display:flex;flex-direction:row;flex-wrap:wrap;gap:2px 17px;padding-bottom:15px;border-bottom:1px solid var(--ed-line)}.li-ed-toc strong{width:100%}.li-ed-toc a{padding:8px 0}.li-ed-prose p{font-size:16px}.li-ed-meta{margin-bottom:25px}.li-ed-tools{padding:20px}.li-ed-home{padding:40px 20px}.li-ed-home .li-ed-section-head{gap:12px}.li-ed-home .li-ed-section-head>a{white-space:nowrap;font-size:12px}.li-ed-limit{padding:18px}.li-ed-prose section{scroll-margin-top:92px}}
@media print{.li-ed-toc,.li-ed-tools,.li-ed-tabs,.li-ed-back{display:none!important}.li-ed-reader{padding:0;max-width:none}.li-ed-reading-layout{display:block}.li-ed-prose{max-width:none}.li-ed-prose section{break-inside:avoid}.li-ed-source a:after{content:' (' attr(href) ')'}}

.li-ed-grid:has(>.li-ed-card:only-child){grid-template-columns:minmax(0,760px)}

.li-ed-originals{margin-bottom:40px}.li-ed-card-bottom>a{margin-left:auto;color:var(--ed-accent)!important;min-height:36px;display:inline-flex;align-items:center}

/* Focused reading only; legacy articles and other draft layouts keep their styles. */
.li-ed-reader.li-ed-focus{max-width:1100px;padding:28px 24px 48px}.li-ed-focus .li-ed-back{margin-bottom:14px;min-height:24px}.li-ed-focus>header{max-width:940px}.li-ed-focus .li-ed-eyebrow{font-size:12px!important;letter-spacing:.06em;margin-bottom:10px}.li-ed-focus h1{font-size:clamp(26px,2.5vw,34px);line-height:1.4;margin:0 0 16px;letter-spacing:-.01em}.li-ed-focus-paper{font-size:14px;line-height:1.8;color:#586b77;margin:0 0 10px}.li-ed-focus .li-ed-meta{font-size:12px;margin:0 0 22px;line-height:1.7}.li-ed-focus .li-ed-reading-layout{grid-template-columns:175px minmax(0,740px);gap:36px;padding-top:22px}.li-ed-focus .li-ed-toc{top:115px;font-size:12px;gap:5px}.li-ed-focus .li-ed-toc a{padding:5px 0;line-height:1.65}.li-ed-focus .li-ed-prose{max-width:740px}.li-ed-focus .li-ed-prose p{font-size:16px;line-height:1.95;margin:0 0 14px}.li-ed-focus .li-ed-focus-intro{margin:0 0 24px!important}.li-ed-focus .li-ed-prose section{margin:0 0 25px}.li-ed-focus .li-ed-prose h2{font-size:21px;line-height:1.5;margin:0 0 12px}.li-ed-focus h2 a{color:inherit!important;text-decoration:none}.li-ed-focus h2 a::after{content:none}.li-ed-focus h2 a:hover{text-decoration:underline;text-underline-offset:4px}.li-ed-focus [data-manuscript-paragraph] a{color:#12665f!important;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.li-ed-focus-sources,.li-ed-focus-references{border-top:1px solid #dce5e6;padding-top:20px}.li-ed-focus-sources dl{margin:0}.li-ed-focus-sources dl>div{padding:10px 0;border-bottom:1px solid #edf1f1}.li-ed-focus-sources dt{font-size:14px;font-weight:700}.li-ed-focus-sources dd{font-size:13px;line-height:1.75;margin:3px 0 0;color:#586b77}.li-ed-focus-sources a,.li-ed-focus-references a,.li-ed-focus-return a{color:#12665f!important}.li-ed-focus-references ol{padding-left:22px;margin:0}.li-ed-focus-references li{padding:0 0 16px;overflow-wrap:anywhere;font-size:13px}.li-ed-focus-references li p{font-size:13px!important;line-height:1.85!important;margin-bottom:4px!important}.li-ed-focus-references li>a{display:block;font-size:12px;line-height:1.8;overflow-wrap:anywhere}.li-ed-focus .li-ed-focus-rights{font-size:12px!important;color:#586b77}.li-ed-focus-return{display:flex;flex-wrap:wrap;gap:20px;font-size:14px;margin:24px 0 0}.li-ed-focus-return a{min-height:44px;display:inline-flex;align-items:center}
@media(max-width:767px){.li-ed-reader.li-ed-focus{padding:86px 20px 38px}.li-ed-focus h1{font-size:26px;line-height:1.45;margin-bottom:12px}.li-ed-focus .li-ed-back{font-size:13px;margin-bottom:12px}.li-ed-focus-paper{font-size:13px}.li-ed-focus .li-ed-meta{margin-bottom:18px}.li-ed-focus .li-ed-reading-layout{grid-template-columns:1fr;gap:22px;padding-top:18px}.li-ed-focus .li-ed-toc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 15px;position:static}.li-ed-focus .li-ed-toc strong{grid-column:1/-1}.li-ed-focus .li-ed-toc a{padding:7px 0;font-size:12px}.li-ed-focus .li-ed-prose h2{font-size:20px}.li-ed-focus .li-ed-prose p{font-size:16px;line-height:1.9}.li-ed-focus .li-ed-prose section{scroll-margin-top:90px}.li-ed-focus .li-ed-meta span{white-space:nowrap}}
@media print{.li-ed-reader.li-ed-focus{max-width:none;padding:0}.li-ed-focus .li-ed-reading-layout{display:block}.li-ed-focus .li-ed-prose{max-width:none}.li-ed-focus .li-ed-prose section{break-inside:auto}.li-ed-focus-return{display:none}}