:root{color-scheme:light;--paper:#fff;--ink:#333;--soft:#666;--line:rgba(60,60,67,.1);--accent:#2563eb;--fill:#f2f2f7}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-size:17px;line-height:1.65;-webkit-text-size-adjust:100%}.column{width:min(46rem,calc(100% - 40px));margin-inline:auto}a{color:var(--accent);text-underline-offset:3px}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.site-header{border-bottom:1px solid var(--line);padding-block:14.4px}.header-inner{display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-size:18px;font-weight:700;text-decoration:none;white-space:nowrap;letter-spacing:-.4px}.brand img{border-radius:7px}.header-inner nav{display:flex;align-items:center;gap:20px;margin-left:auto;font-size:14px}.header-inner nav a{color:var(--soft);text-decoration:none}.header-inner nav a[aria-current]{color:var(--accent)}.header-inner nav a span{display:none}.theme-switch{font:inherit;font-size:21px;background:var(--fill);color:var(--ink);border:1px solid var(--line);border-radius:9px;width:35px;height:35px;display:grid;place-items:center;cursor:pointer;flex-shrink:0}.theme-switch[hidden]{display:none}.breadcrumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--soft);padding-top:24px;margin-bottom:12px}.breadcrumbs a{color:var(--soft);text-decoration:none}h1{font-size:clamp(28px,1.2rem + 2.2vw,38.4px);line-height:1.15;letter-spacing:-.022em;font-weight:700;margin:12px 0 24px}p{margin:0 0 20px}.summary{margin-bottom:30px}section{margin:0 0 30px}section .number{display:none}section h2{font-size:23px;line-height:1.3;letter-spacing:-.015em;font-weight:650;margin:32px 0 12px}section p{margin:0;font-size:17px;line-height:1.75}.site-footer{margin-top:64px;padding:28px 0 36px;border-top:1px solid var(--line)}.site-footer nav{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:14px}.site-footer nav a{text-decoration:none}.site-footer p{font-size:13px;color:var(--soft);line-height:1.65;margin:16px 0 0}.skip-link{position:absolute;top:-100px;left:20px;background:var(--paper);padding:8px 14px;z-index:10}.skip-link:focus{top:0}:root[data-theme=dark]{color-scheme:dark;--paper:#000;--ink:rgba(255,255,255,.8);--soft:rgba(255,255,255,.6);--line:rgba(84,84,88,.46);--accent:#80aaff;--fill:#1c1c1e}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--paper:#000;--ink:rgba(255,255,255,.8);--soft:rgba(255,255,255,.6);--line:rgba(84,84,88,.46);--accent:#80aaff;--fill:#1c1c1e}}@media(max-width:480px){.header-inner{gap:14px}.header-inner nav{gap:16px}.brand{font-size:17px}.header-inner nav{font-size:13px}section h2{font-size:21px}.site-footer{margin-top:44px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.prose h2{font-size:23px;line-height:1.3;letter-spacing:-.015em;font-weight:650;margin:32px 0 12px}.prose p{margin:0 0 20px;line-height:1.75}.prose ul{padding-left:24px;margin:0 0 24px}.prose li{padding-left:3px;margin:6px 0}.prose a{overflow-wrap:anywhere}@media(max-width:480px){.prose h2{font-size:21px}}