#article-reader{--ad-ink:#192c4d;--ad-muted:#71819b;--ad-blue:#3459e8;background:#f6f8fc;color:var(--ad-ink);line-height:1.8}
#article-reader *{box-sizing:border-box}
#article-reader h1,#article-reader h2,#article-reader h3,#article-reader p{margin:0}
#article-reader a:focus-visible{outline:3px solid #91a9ff;outline-offset:5px}
#article-reader>.breadcrumbs{background:#fff}
#article-reader .ad-hero{background:radial-gradient(ellipse at 100% 0,#e9f0ff,transparent 70%),#fff;border-top:1px solid #edf1f8;border-bottom:1px solid #e2e8f4;padding:30px 0 34px}
#article-reader .ad-hero>.shell{max-width:1150px}
#article-reader .ad-hero-top{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:17px}
#article-reader .ad-category{display:inline-flex;padding:4px 11px;border:1px solid #dce5fb;background:#edf3ff;border-radius:5px;font-size:11px;font-weight:700;color:#4566bb}
#article-reader .ad-back{display:flex;align-items:center;gap:13px;font-size:12px;color:#788ba9;text-decoration:none}
#article-reader h1{font-size:35px;line-height:1.55;font-weight:800;letter-spacing:-.75px;max-width:1040px;text-wrap:pretty;color:#152b4f;scroll-margin-top:100px}
#article-reader .ad-meta{display:flex;align-items:center;flex-wrap:wrap;gap:15px 24px;margin-top:22px;color:#7186a5;font-size:12px}
#article-reader .ad-author{display:flex;align-items:center;gap:9px;color:#405f8d;font-weight:650}
#article-reader .ad-avatar{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;font-size:9px;color:#5b7bd1;background:#edf2ff;border:1px solid #dbe4fa;border-radius:8px;letter-spacing:-.7px;font-weight:800}
#article-reader .ad-summary{display:grid;grid-template-columns:65px 1fr;align-items:start;gap:15px;border:1px solid #dce6f5;padding:17px 21px;border-radius:10px;background:#f5f8fe;margin-top:24px;font-size:14px;line-height:1.9;max-width:1070px}
#article-reader .ad-summary>span{font-size:11px;color:#5f7cad;font-weight:700;padding-top:2px}
#article-reader .ad-summary p{color:#657b9c}
#article-reader .ad-reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:30px;align-items:start;padding-top:30px;padding-bottom:36px}
#article-reader .ad-main-column{min-width:0}
#article-reader .ad-paper{background:#fff;border:1px solid #dfe6f2;border-radius:13px;padding:34px 40px 0;box-shadow:0 8px 28px #1c3d7503}
#article-reader .ad-prose p{margin:0 0 14px}
#article-reader .ad-prose h2{margin:36px 0 18px}
#article-reader .ad-prose h3{margin:28px 0 13px}
#article-reader .ad-prose>h2:first-child,#article-reader .ad-prose>h3:first-child{margin-top:0}
#article-reader .ad-article-end{margin-top:34px;border-top:1px solid #e3eaf5;padding:21px 0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
#article-reader .ad-article-end>span{font-size:11px;color:#95a3b9;letter-spacing:2px}
#article-reader .ad-article-end>div{display:flex;gap:20px}
#article-reader .ad-link{display:inline-flex;align-items:center;gap:12px;color:#4b6ac0;font-size:12px;font-weight:650;text-decoration:none}
#article-reader .ad-sidebar-sticky{position:sticky;top:94px}
#article-reader .ad-sidebar{align-self:stretch;min-width:0}
#article-reader .ad-toc{background:#fff;border:1px solid #dfe7f3;border-radius:11px;padding:19px 18px 16px;max-height:calc(100vh - 122px);overflow:auto}
#article-reader .ad-sidebar-label{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:13px;border-bottom:1px solid #e5ebf6}
#article-reader .ad-sidebar-label h2{font-size:14px;font-weight:750}
#article-reader .ad-sidebar-label small{font-size:8px;letter-spacing:1.4px;color:#91a4c3}
#article-reader .ad-toc ol,#article-reader .ad-mobile-toc ol{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:3px}
#article-reader .ad-toc li a,#article-reader .ad-mobile-toc li a{display:block;padding:7px 9px;font-size:11px;line-height:1.8;color:#647c9f;text-decoration:none;border-left:2px solid #e0e8f7}
#article-reader .ad-toc li a:hover,#article-reader .ad-mobile-toc li a:hover{background:#f1f5ff;border-left-color:#7192e9;color:#3559b4}
#article-reader .ad-toc .ad-toc-sub a,#article-reader .ad-mobile-toc .ad-toc-sub a{font-size:10px;margin-left:11px;color:#8b9cba;padding-top:5px;padding-bottom:5px}
#article-reader .ad-topic-panel{background:#fff;border:1px solid #dfe7f3;border-radius:11px;padding:20px 18px;margin-top:16px;display:grid;gap:9px}
#article-reader .ad-topic-panel>small{font-size:8px;letter-spacing:1.1px;color:#8ba0c1}
#article-reader .ad-topic-panel h2{font-size:15px;margin-bottom:7px;font-weight:700}
#article-reader .ad-topic-panel .ad-link{font-size:11px;justify-content:space-between;color:#7288a9}
#article-reader .ad-consult-panel{margin-top:16px;padding:20px 18px;border:1px solid #dbe5f8;border-radius:11px;background:linear-gradient(130deg,#edf3ff,#f4fafb)}
#article-reader .ad-consult-panel>p:first-child{font-size:11px;color:#7e93b6}
#article-reader .ad-consult-panel h2{font-size:18px;line-height:1.6;margin:8px 0 10px;font-weight:750}
#article-reader .ad-consult-panel>p{font-size:11px;color:#8595ac}
#article-reader .ad-consult-panel .ad-link{margin-top:16px;font-size:11px}
#article-reader .ad-mobile-toc{display:none}
#article-reader .ad-related{padding-top:5px;padding-bottom:34px}
#article-reader .ad-related-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:19px}
#article-reader .ad-related-heading p{font-size:9px;letter-spacing:1.5px;font-weight:750;color:#7188b6;margin-bottom:5px}
#article-reader .ad-related-heading h2{font-size:25px;font-weight:750}
#article-reader .ad-related-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
#article-reader .ad-related-card{display:flex;flex-direction:column;background:#fff;border:1px solid #dfe7f3;border-radius:11px;padding:23px;text-decoration:none;min-width:0;transition:border-color .15s,box-shadow .15s}
#article-reader .ad-related-card:hover{border-color:#a3b9ee;box-shadow:0 8px 20px #2d478009}
#article-reader .ad-related-card>div{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:10px;color:#7990b1;margin-bottom:12px}
#article-reader .ad-related-card>div>span{color:#5579ca;font-weight:700}
#article-reader .ad-related-card h3{font-size:18px;line-height:1.7;color:#29446f;font-weight:700;letter-spacing:-.2px}
#article-reader .ad-related-card p{font-size:12px;line-height:1.9;color:#7489a6;margin-top:11px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
#article-reader .ad-related-card strong{display:flex;gap:13px;align-items:center;justify-content:space-between;font-size:11px;color:#5a7ac6;font-weight:650;margin-top:auto;padding-top:19px}
#article-reader .ad-bottom-band{background:#ecf2ff;border-top:1px solid #dfe8fa;padding:29px 0}
#article-reader .ad-bottom-band>.shell{display:flex;align-items:center;justify-content:space-between;gap:35px}
#article-reader .ad-bottom-band h2{font-size:23px;font-weight:750}
#article-reader .ad-bottom-band p{font-size:12px;line-height:1.9;color:#6d83a5;margin-top:8px}
#article-reader .ad-button{display:inline-flex;align-items:center;justify-content:center;gap:25px;padding:13px 20px;background:var(--ad-blue);color:#fff;font-size:13px;font-weight:750;border-radius:9px;white-space:nowrap;text-decoration:none}
@media(max-width:1140px){#article-reader .ad-reading-layout{grid-template-columns:minmax(0,1fr) 225px;gap:22px}#article-reader .ad-paper{padding:28px 30px 0}#article-reader h1{font-size:32px}#article-reader .ad-sidebar-sticky{top:86px}}
@media(max-width:900px){#article-reader .ad-reading-layout{grid-template-columns:1fr}#article-reader .ad-sidebar{display:none}#article-reader .ad-mobile-toc{display:block;background:#fff;border:1px solid #dfe7f3;border-radius:10px;margin-bottom:18px;overflow:hidden}#article-reader .ad-mobile-toc summary{display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;font-size:13px;font-weight:700;padding:16px 20px;list-style:none;color:#5673a4}#article-reader .ad-mobile-toc summary::-webkit-details-marker{display:none}#article-reader .ad-mobile-toc[open] summary{border-bottom:1px solid #e6ecf7}#article-reader .ad-mobile-toc nav{padding:0 18px 16px}#article-reader .ad-mobile-toc ol{gap:4px}#article-reader .ad-mobile-toc li a{font-size:12px}#article-reader .ad-mobile-toc .ad-toc-sub a{font-size:11px}}
@media(max-width:760px){#article-reader .ad-hero{padding:22px 0 25px}#article-reader .ad-hero-top{gap:15px;margin-bottom:14px}#article-reader .ad-back{font-size:10px;gap:9px}#article-reader .ad-category{font-size:10px;padding:4px 9px}#article-reader h1{font-size:25px;line-height:1.65;letter-spacing:-.5px;scroll-margin-top:88px}#article-reader .ad-meta{gap:10px 15px;font-size:10px;margin-top:18px}#article-reader .ad-avatar{width:25px;height:25px;font-size:8px;border-radius:7px}#article-reader .ad-author{gap:7px}#article-reader .ad-summary{grid-template-columns:1fr;gap:6px;padding:15px 16px;margin-top:19px;font-size:12px;line-height:1.95}#article-reader .ad-summary>span{font-size:10px}#article-reader .ad-reading-layout{padding-top:20px;padding-bottom:27px}#article-reader .ad-paper{padding:23px 21px 0;border-radius:10px}#article-reader .ad-prose p{margin-bottom:12px}#article-reader .ad-prose h2{margin:28px 0 15px}#article-reader .ad-prose h3{margin:23px 0 12px}#article-reader .ad-article-end{margin-top:26px;padding:19px 0 21px;gap:13px;align-items:start}#article-reader .ad-article-end>span{font-size:10px;letter-spacing:1px}#article-reader .ad-article-end>div{gap:13px}#article-reader .ad-link{font-size:10px;gap:8px}#article-reader .ad-related{padding-bottom:26px}#article-reader .ad-related-heading h2{font-size:23px}#article-reader .ad-related-grid{grid-template-columns:1fr;gap:13px}#article-reader .ad-related-card{padding:20px}#article-reader .ad-related-card h3{font-size:16px}#article-reader .ad-related-card p{font-size:11px}#article-reader .ad-related-card>div{font-size:9px}#article-reader .ad-related-card strong{font-size:10px;padding-top:16px}#article-reader .ad-bottom-band{padding:26px 0}#article-reader .ad-bottom-band>.shell{display:block}#article-reader .ad-bottom-band h2{font-size:21px;line-height:1.6}#article-reader .ad-bottom-band p{font-size:12px;margin-top:9px}#article-reader .ad-bottom-band .ad-button{margin-top:20px;font-size:12px;padding:12px 17px}}
@media(prefers-reduced-motion:reduce){#article-reader *{transition:none!important;scroll-behavior:auto!important}}

#article-reader .ad-toc{max-height:max(150px,min(330px,calc(100vh - 470px)))}
@media(min-width:901px) and (max-height:680px){#article-reader .ad-consult-panel{display:none}#article-reader .ad-toc{max-height:max(140px,calc(100vh - 310px))}}