.abe-journal{--abe-ink:#102239;--abe-text:#35465b;--abe-muted:#607086;--abe-blue:#205ce5;--abe-line:#dce3eb;background:#fff;color:var(--abe-text);font-family:var(--font-sans,"Microsoft YaHei","PingFang SC",sans-serif);overflow-wrap:break-word}
.abe-journal *{box-sizing:border-box}.abe-shell{width:min(100% - 80px,1160px);margin-inline:auto}.abe-journal a{transition:color .16s ease;text-underline-offset:4px}.abe-journal a:hover{color:var(--abe-blue)}.abe-journal a:focus-visible,.abe-journal summary:focus-visible,.abe-table:focus-visible{outline:2px solid var(--abe-blue);outline-offset:5px}.abe-nav-ground{height:80px;background:#0e1c31}.abe-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12px;line-height:1.8;color:var(--abe-muted);margin:0 0 36px}.abe-breadcrumb a{text-decoration:none}.abe-breadcrumb>span[aria-hidden]{color:#8997aa}.abe-eyebrow{display:flex;align-items:center;gap:12px;color:var(--abe-blue);font-size:13px;font-weight:600;letter-spacing:.04em;margin:0 0 18px}.abe-eyebrow:before{content:"";display:block;width:25px;height:2px;background:var(--abe-blue)}
.abe-article-header{padding:28px 0 36px;border-bottom:1px solid var(--abe-line)}.abe-heading-row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px}.abe-heading-main{max-width:930px;min-width:0}.abe-heading-main h1{font-size:clamp(32px,3.3vw,46px);font-weight:750;color:var(--abe-ink);line-height:1.43;letter-spacing:-.02em;margin:0;text-wrap:pretty}.abe-byline{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:12px;color:var(--abe-muted);margin-top:25px;line-height:1.8}.abe-byline>span+span{position:relative}.abe-byline>span+span:before{content:"";display:inline-block;width:3px;height:3px;background:#8593a6;vertical-align:middle;margin-right:22px}.abe-back-link{font-size:12px;white-space:nowrap;padding-bottom:4px;color:var(--abe-muted);text-decoration:none}.abe-back-link span{margin-left:8px}.abe-article-layout{display:grid;grid-template-columns:minmax(0,748px) minmax(190px,240px);gap:clamp(44px,5.5vw,80px);justify-content:space-between;padding-top:40px;padding-bottom:68px}.abe-reading{min-width:0}.abe-cover{margin:0 0 38px}.abe-cover img{display:block;width:100%;height:auto;aspect-ratio:2.1;object-fit:cover;background:#edf1f6}.abe-cover figcaption{font-size:11px;line-height:1.7;color:#607086;text-align:right;margin-top:9px}.abe-sidebar{min-width:0}.abe-toc{position:sticky;top:112px;padding-left:22px;border-left:1px solid var(--abe-line);max-height:calc(100vh - 140px);overflow:auto;scrollbar-width:thin}.abe-toc>p{font-size:12px;letter-spacing:.08em;color:var(--abe-ink);font-weight:650;margin:0 0 18px}.abe-toc ol,.abe-mobile-toc ol{list-style:none;margin:0;padding:0}.abe-toc li{margin:0 0 13px}.abe-toc a{display:block;color:#52657b;text-decoration:none;font-size:13px;line-height:1.8}.abe-toc .abe-toc-sub{padding-left:12px}.abe-toc .abe-toc-sub a{font-size:12px}.abe-toc a[aria-current]{color:var(--abe-blue);font-weight:650}.abe-toc .abe-toc-back{font-size:12px;margin-top:25px;padding-top:19px;border-top:1px solid var(--abe-line)}.abe-mobile-toc{display:none}
.abe-body{color:var(--abe-text);font-size:17px;line-height:1.95;overflow-wrap:anywhere;min-width:0}.abe-body .nx-blog{font:inherit;color:inherit;max-width:none;min-width:0}.abe-body p{margin:0 0 1.3em}.abe-body>p:first-child,.abe-body>.nx-blog>p:first-child{font-size:19px;line-height:1.85;color:#223750;margin-bottom:1.25em}.abe-body h2{font-size:27px;line-height:1.5;color:var(--abe-ink);font-weight:700;letter-spacing:0;margin:2.25em 0 .85em;scroll-margin-top:106px}.abe-body h3{font-size:21px;line-height:1.6;color:var(--abe-ink);font-weight:650;margin:1.8em 0 .7em;scroll-margin-top:106px}.abe-body h2:first-child{margin-top:0}.abe-body h4{font-size:18px;color:var(--abe-ink);font-weight:650;margin:1.4em 0 .65em}.abe-body strong{font-weight:650;color:#142c48}.abe-body a{color:#1759cc;text-decoration:underline;text-decoration-thickness:1px}.abe-body a:hover{color:#0b398c}.abe-body ul,.abe-body ol{padding-left:1.5em;margin:0 0 1.45em;list-style-position:outside}.abe-body ul{list-style-type:disc}.abe-body ol{list-style-type:decimal}.abe-body li{margin:.5em 0;padding-left:.1em}.abe-body li>p{margin:.45em 0}.abe-body blockquote{margin:1.7em 0;padding:3px 0 3px 23px;border-left:3px solid var(--abe-blue);color:#425873;font-style:normal;background:none}.abe-body blockquote p:last-child{margin-bottom:0}.abe-body code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.87em;padding:.15em .35em;color:#254868;background:#f0f4f8;border-radius:2px}.abe-body pre{max-width:100%;overflow:auto;background:#f4f7fa;padding:20px;font-size:14px;line-height:1.8;margin:1.5em 0}.abe-body pre code{padding:0;background:none}.abe-body img{display:block;max-width:100%;height:auto;margin:1.8em auto;box-shadow:none;border-radius:2px}.abe-body figure{margin:1.8em 0}.abe-body figcaption{font-size:12px;line-height:1.7;color:var(--abe-muted);margin-top:10px}.abe-body hr{margin:2em 0;border:0;border-top:1px solid var(--abe-line)}.abe-body .abe-table{width:100%;max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:#9daec1 #eff3f7;margin:1.6em 0 1.9em;border-top:2px solid #24466b;border-bottom:1px solid #cbd5e1;border-radius:0;background:white}.abe-body table{width:100%;min-width:660px;border-collapse:collapse;table-layout:auto;font-size:14px;line-height:1.8;margin:0;background:#fff}.abe-body th,.abe-body td{text-align:left;vertical-align:top;padding:15px 14px;border:0;border-bottom:1px solid #dce3eb;min-width:112px}.abe-body th{font-weight:650;color:#203b5b;background:#f4f7fb}.abe-body td:first-child{font-weight:550;color:#203b5b}.abe-body tr:last-child td{border-bottom:0}.abe-body tbody tr:nth-child(even){background:#fff}.abe-body .nx-table-hint{display:none}.abe-body .nx-table{border-left:0;border-right:0;border-radius:0}.medium-zoom-overlay,.medium-zoom-image--opened{z-index:100!important}
.abe-article-notes{border-top:1px solid var(--abe-line);margin-top:40px;padding-top:20px;font-size:12px;color:var(--abe-muted);line-height:1.9}.abe-updated{margin:0 0 11px}.abe-source-note summary{font-weight:550;color:#475e79;cursor:pointer;min-height:30px}.abe-source-note p{margin:8px 0 14px;max-width:680px}.abe-source-note a{text-decoration:underline;color:#1759cc}.abe-tags{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0}.abe-tags span:first-child{color:#364d68}.abe-service-links{display:flex;gap:12px 23px;align-items:center;flex-wrap:wrap;margin-top:18px}.abe-service-links>span{color:#586c83}.abe-service-links a{color:#234e87;text-decoration:none}.abe-adjacent{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;border-top:1px solid var(--abe-line);margin-top:32px;padding-top:25px}.abe-adjacent a{position:relative;text-decoration:none;display:block;color:var(--abe-ink);padding-right:28px}.abe-adjacent span{display:block;font-size:12px;color:var(--abe-muted);margin-bottom:10px}.abe-adjacent strong{font-size:16px;line-height:1.75;font-weight:600;display:block}.abe-adjacent i{font-style:normal;position:absolute;right:0;top:30px;color:var(--abe-blue)}.abe-related{padding:38px 0 54px;background:#f5f7fa;border-top:1px solid #e1e7ef}.abe-section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:26px}.abe-section-heading h2{font-size:25px;color:var(--abe-ink);margin:0;font-weight:700}.abe-section-heading>a{font-size:12px;color:#49627f;text-decoration:none}.abe-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px}.abe-related-grid article{border-top:1px solid #becbdc;padding-top:22px}.abe-related-grid h3{font-size:19px;line-height:1.65;color:var(--abe-ink);font-weight:650;margin:0 0 12px}.abe-related-grid h3 a{text-decoration:none}.abe-related-grid .abe-entry-excerpt{font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.abe-index-header{padding:29px 0 46px;border-bottom:1px solid var(--abe-line)}.abe-index-intro{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(250px,.8fr);gap:60px;align-items:end}.abe-index-intro h1{font-size:44px;line-height:1.35;letter-spacing:-.025em;font-weight:750;color:var(--abe-ink);margin:0}.abe-index-intro>p{font-size:16px;color:#52677f;line-height:1.9;max-width:420px;margin:0 0 1px}.abe-categories{display:flex;gap:30px;overflow-x:auto;white-space:nowrap;border-bottom:1px solid var(--abe-line);margin:0;scrollbar-width:thin}.abe-categories>a{display:block;padding:22px 0 19px;font-size:14px;text-decoration:none;color:#53677e;border-bottom:2px solid transparent}.abe-categories>a[aria-current]{color:var(--abe-blue);font-weight:650;border-bottom-color:var(--abe-blue)}.abe-featured{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:60px;align-items:center;padding:42px 0 44px;border-bottom:1px solid var(--abe-line)}.abe-featured-text{grid-template-columns:minmax(0,760px)}.abe-entry-category{font-size:12px;line-height:1.8;color:var(--abe-blue);font-weight:550;margin:0 0 10px}.abe-featured h2{font-size:31px;font-weight:700;line-height:1.55;color:var(--abe-ink);margin:0 0 18px}.abe-featured h2 a,.abe-list-entry h2 a{text-decoration:none}.abe-entry-excerpt{font-size:15px;color:#576c83;line-height:1.9;margin:0 0 18px}.abe-entry-meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:12px;line-height:1.8;color:var(--abe-muted)}.abe-read-link{display:inline-flex;gap:30px;align-items:center;color:var(--abe-blue);font-size:13px;font-weight:600;text-decoration:none;margin-top:24px}.abe-featured-image{display:block;aspect-ratio:1.7;background:#eef2f7;overflow:hidden}.abe-featured-image img,.abe-entry-image img{display:block;width:100%;height:100%;object-fit:cover}.abe-article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:42px}.abe-list-entry{display:grid;grid-template-columns:154px minmax(0,1fr);gap:24px;border-bottom:1px solid var(--abe-line);padding:32px 0;align-items:start}.abe-list-entry-text{grid-template-columns:1fr}.abe-entry-image{display:block;aspect-ratio:1.25;background:#eef2f7;overflow:hidden;margin-top:3px}.abe-list-entry h2{font-size:20px;color:var(--abe-ink);font-weight:650;line-height:1.65;margin:0 0 11px}.abe-list-entry .abe-entry-excerpt{font-size:13px;line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}.abe-list-entry .abe-entry-meta{font-size:11px}.abe-pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin:40px 0}.abe-pagination>a,.abe-pagination>span{display:inline-flex;min-width:40px;min-height:40px;align-items:center;justify-content:center;padding:0 10px;color:#445b78;font-size:13px;text-decoration:none;border:1px solid #dce3eb}.abe-pagination>span[aria-current]{color:#fff;background:var(--abe-blue);border-color:var(--abe-blue)}.abe-empty{padding:70px 0}.abe-empty h2{font-size:24px;color:var(--abe-ink);margin-bottom:12px}.abe-empty p{margin-bottom:16px}.abe-empty a{color:var(--abe-blue)}.abe-index-services{border-top:2px solid #15345b;display:flex;align-items:center;justify-content:space-between;gap:40px;margin:55px 0 58px;padding-top:26px}.abe-index-services h2{font-size:22px;color:var(--abe-ink);font-weight:650;margin:0 0 8px}.abe-index-services p{font-size:14px;color:var(--abe-muted);margin:0}.abe-index-services>div:last-child{display:flex;flex-wrap:wrap;gap:15px 25px;font-size:13px}.abe-index-services a{color:#244e83;text-decoration:none}
@media(max-width:1100px){.abe-shell{width:calc(100% - 64px)}.abe-article-layout{grid-template-columns:minmax(0,1fr) 205px;gap:42px}.abe-featured{gap:36px}.abe-featured h2{font-size:28px}.abe-list-entry{grid-template-columns:130px minmax(0,1fr);gap:20px}.abe-article-grid{column-gap:30px}.abe-list-entry h2{font-size:19px}.abe-index-intro{gap:36px}.abe-index-intro h1{font-size:39px}}
@media(max-width:900px){.abe-article-layout{display:block;max-width:748px;padding-top:30px}.abe-sidebar{display:none}.abe-mobile-toc{display:block;margin:0 0 30px;padding:15px 0;border-top:1px solid var(--abe-line);border-bottom:1px solid var(--abe-line);color:#38516f;font-size:13px;line-height:1.9}.abe-mobile-toc summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between}.abe-mobile-toc summary::-webkit-details-marker{display:none}.abe-mobile-toc summary span{font-size:17px}.abe-mobile-toc[open] summary span{transform:rotate(45deg)}.abe-mobile-toc nav{padding-top:16px}.abe-mobile-toc li{margin:9px 0}.abe-mobile-toc a{text-decoration:none;display:block;min-height:28px}.abe-mobile-toc .abe-toc-sub{padding-left:15px}.abe-heading-main h1{font-size:36px}.abe-back-link{display:none}.abe-related-grid{gap:25px}.abe-related-grid h3{font-size:18px}.abe-article-grid{grid-template-columns:1fr}.abe-list-entry{grid-template-columns:154px minmax(0,1fr);gap:28px}.abe-list-entry-text{grid-template-columns:1fr}.abe-list-entry h2{font-size:22px}.abe-list-entry .abe-entry-excerpt{font-size:14px}.abe-index-services{align-items:flex-start}.abe-index-services>div:last-child{max-width:300px}.abe-index-intro{grid-template-columns:1fr;gap:22px}.abe-index-intro>p{max-width:580px}.abe-featured{gap:28px}.abe-featured h2{font-size:25px}}
@media(max-width:600px){.abe-shell{width:calc(100% - 40px)}.abe-article-header{padding:22px 0 26px}.abe-breadcrumb{font-size:11px;gap:9px;margin-bottom:26px}.abe-eyebrow{font-size:12px;margin-bottom:14px;gap:10px}.abe-eyebrow:before{width:19px}.abe-heading-main h1{font-size:29px;line-height:1.55;letter-spacing:0}.abe-byline{font-size:11px;gap:7px 14px;margin-top:19px}.abe-byline>span+span:before{margin-right:14px}.abe-article-layout{padding-top:25px;padding-bottom:42px}.abe-cover{margin-bottom:25px}.abe-cover img{aspect-ratio:1.7}.abe-body{font-size:16px;line-height:1.95}.abe-body>p:first-child,.abe-body>.nx-blog>p:first-child{font-size:17px;line-height:1.9}.abe-body h2{font-size:23px;line-height:1.6;margin-top:1.9em}.abe-body h3{font-size:19px}.abe-body p{margin-bottom:1.25em}.abe-body .nx-table-hint{display:block;font-size:11px;line-height:1.7;color:#5a6f86;margin:1.4em 0 -1em}.abe-body th,.abe-body td{padding:12px}.abe-body table{font-size:13px}.abe-body blockquote{padding-left:17px}.abe-article-notes{margin-top:29px}.abe-service-links{gap:10px 18px}.abe-adjacent{gap:23px}.abe-adjacent strong{font-size:14px;line-height:1.8}.abe-adjacent a{padding-right:17px}.abe-related{padding:30px 0 35px}.abe-section-heading h2{font-size:22px}.abe-related-grid{grid-template-columns:1fr;gap:22px}.abe-related-grid article{padding-top:18px}.abe-related-grid h3{font-size:18px}.abe-related-grid .abe-entry-excerpt{-webkit-line-clamp:2;margin-bottom:0}.abe-index-header{padding:22px 0 30px}.abe-index-intro h1{font-size:32px;line-height:1.45;letter-spacing:0}.abe-index-intro>p{font-size:14px;line-height:1.9}.abe-index-intro{gap:17px}.abe-categories{gap:23px}.abe-categories>a{font-size:13px;padding:18px 0 15px}.abe-featured{grid-template-columns:1fr;gap:24px;padding:29px 0 31px}.abe-featured h2{font-size:25px;margin-bottom:14px}.abe-entry-excerpt{font-size:14px}.abe-featured-image{aspect-ratio:1.8;grid-row:1}.abe-read-link{margin-top:18px}.abe-entry-meta{font-size:11px}.abe-list-entry{grid-template-columns:112px minmax(0,1fr);gap:18px;padding:25px 0}.abe-list-entry-text{grid-template-columns:1fr}.abe-list-entry h2{font-size:18px;line-height:1.65}.abe-list-entry .abe-entry-category{font-size:11px;margin-bottom:7px}.abe-list-entry .abe-entry-excerpt{display:none}.abe-list-entry .abe-entry-meta{font-size:10px}.abe-entry-image{aspect-ratio:1.1}.abe-index-services{display:block;margin:38px 0 40px;padding-top:22px}.abe-index-services h2{font-size:20px}.abe-index-services>div:last-child{max-width:none;margin-top:21px;gap:15px 22px}.abe-index-services p{font-size:13px}.abe-section-heading>a{font-size:11px}}
@media(max-width:380px){.abe-shell{width:calc(100% - 32px)}.abe-heading-main h1{font-size:26px}.abe-list-entry{grid-template-columns:92px minmax(0,1fr);gap:14px}.abe-list-entry-text{grid-template-columns:1fr}.abe-list-entry h2{font-size:17px}.abe-adjacent{grid-template-columns:1fr;gap:22px}.abe-adjacent>a+ a{border-top:1px solid var(--abe-line);padding-top:20px}.abe-adjacent>a+ a i{top:50px}}
@media(prefers-reduced-motion:reduce){.abe-journal *{scroll-behavior:auto!important;transition:none!important}}
@media print{.abe-nav-ground,.abe-breadcrumb,.abe-sidebar,.abe-mobile-toc,.abe-related,.abe-adjacent,.abe-back-link,.abe-index-services{display:none}.abe-shell{width:100%;max-width:none}.abe-article-layout{display:block;padding-top:20px}.abe-article-header{padding:0 0 18px}.abe-heading-main h1{font-size:26px}.abe-cover{max-height:200px;aspect-ratio:auto}.abe-cover img{object-fit:contain;max-height:200px;aspect-ratio:auto}.abe-body{font-size:11px}.abe-body h2{font-size:17px;break-after:avoid}.abe-body table{min-width:0;font-size:9px}.abe-body th,.abe-body td{padding:6px;min-width:0}.abe-body .abe-table{overflow:visible}.abe-body tr{break-inside:avoid}.abe-source-note{font-size:10px}}
/* Reading refinements: preserve the full breadcrumb for assistive technology. */
.abe-breadcrumb-current{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:600px){.abe-byline,.abe-entry-meta,.abe-list-entry .abe-entry-meta{font-size:12px}.abe-byline{column-gap:15px}.abe-byline>span+span:before{margin-right:15px}.abe-mobile-toc a{min-height:44px;display:flex;align-items:center}.abe-mobile-toc li{margin:3px 0}.abe-mobile-toc summary{min-height:44px;align-items:center}.abe-mobile-toc{padding:9px 0}.abe-entry-category,.abe-list-entry .abe-entry-category{font-size:12px}}
@media(min-width:601px) and (max-width:900px){.abe-mobile-toc a{min-height:44px;display:flex;align-items:center}.abe-mobile-toc li{margin:3px 0}.abe-mobile-toc summary{min-height:44px;align-items:center}.abe-mobile-toc{padding:9px 0}}
