:root{color-scheme:light;--paper:#f8f6f0;--ink:#292e2b;--muted:#60665f;--line:#d9ddd3;--accent:#35634d;--tint:#edf0e7;--body-size:19px;--bar-height:70px}*{box-sizing:border-box}html{scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}html[data-theme=dark]{color-scheme:dark;--paper:#191e1b;--ink:#e5e9e4;--muted:#afb9ae;--line:#3b453e;--accent:#a4c8aa;--tint:#252f28}a{color:inherit;text-underline-offset:5px}button,summary{cursor:pointer}button{font:inherit;color:inherit;background:transparent;border:1px solid transparent;border-radius:5px;min-height:44px;min-width:44px}button:disabled{opacity:.4;cursor:default}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:hover:not(:disabled){background:var(--tint)}.skip-link{position:fixed;z-index:20;top:-100px;padding:14px;background:var(--paper)}.skip-link:focus{top:0}.topbar{height:var(--bar-height);position:sticky;top:0;z-index:10;background:var(--paper);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 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@media(max-width:1000px){.layout{column-gap:36px;grid-template-columns:180px minmax(0,1fr);padding-inline:28px}.sidebar nav a{font-size:13px}.handle{display:block;margin:0}h1{font-size:37px}}
@media(max-width:760px){:root{--bar-height:62px}.topbar{padding:0 18px}.wordmark{font-size:17px}.wordmark span{margin-left:8px;font-size:11px}.reader-tools{gap:0}.tool-divider{margin:0 5px}.layout{display:block;padding:22px 22px 64px}.sidebar{position:static;margin:0 0 34px}.sidebar summary{display:flex;justify-content:space-between;pointer-events:auto;padding:12px 0;font-size:13px;letter-spacing:.05em}.sidebar summary span{display:inline-block}.sidebar details[open] summary span{transform:rotate(45deg)}.sidebar nav{padding:6px 0 16px}.sidebar nav a{font-size:14px;padding:10px 0;border-right:0}.sidebar nav a[aria-current]{border-right:0}.sidebar details{border-bottom:1px solid var(--line)}.reading-state{display:none}.eyebrow{font-size:10px}h1{font-size:33px;margin:19px 0 16px}.original-title{font-size:14px;margin-bottom:20px}.byline{font-size:12px;gap:10px}.cover{margin-top:24px}.media{margin-bottom:32px}.article-body{line-height:1.85}.article-body .opening{font-size:1.05em}.article-body h2{font-size:1.4em}.article-footer{margin-top:40px}}
@media(max-width:360px){.layout{padding-inline:18px}.topbar{padding-inline:12px}.wordmark span{display:none}h1{font-size:30px}}
@media print{.topbar,.sidebar,.skip-link,dialog{display:none}.layout{display:block;max-width:none;padding:0}.article-body{font-size:12pt}body{background:white;color:black}.media{break-inside:avoid}}