:root { color-scheme: light; --gray: #6e6e73; --ink: #1d1d1f; --rule: #d2d2d7; --link: #50677f; --bg: #fff; --code-bg: #f5f5f7; }
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.65 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; overflow-wrap: anywhere; }
a:hover { color: var(--ink); }
a:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--link); outline-offset: 4px; }
.page { max-width: 880px; min-height: 100vh; min-height: 100dvh; margin: 0 auto; padding: 56px 32px 32px; display: flex; flex-direction: column; }
main { flex: 1; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 72px; }
.brand { color: var(--ink); font-size: 20px; font-weight: 700; letter-spacing: -.01em; text-decoration: none; }
.site-header nav { display: flex; gap: 24px; font-size: 13px; }
.site-header nav a { text-decoration: none; }
.label { color: var(--gray); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .09em; margin-bottom: 10px; }
h1 { font-size: 42px; line-height: 1.13; letter-spacing: -.025em; margin: 0 0 22px; font-weight: 700; overflow-wrap: anywhere; }
h2 { font-size: 25px; line-height: 1.25; letter-spacing: -.015em; margin: 52px 0 18px; }
p { margin: 0 0 20px; }
.lede { color: var(--gray); font-size: 18px; line-height: 1.55; max-width: 700px; margin-bottom: 24px; }
.byline { color: var(--gray); font-size: 12px; }
.method { font-size: 13px; color: var(--gray); padding: 20px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); margin: 24px 0 32px; }
.contents { margin: 0 0 40px; }
.contents h2 { font-size: 13px; margin: 0 0 12px; }
.contents ul { margin: 0; padding-left: 20px; font-size: 13px; columns: 2; column-gap: 32px; }
.contents li { break-inside: avoid; padding-bottom: 6px; }
.prose > p, .prose > ul { max-width: 700px; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 14px; }
.table-scroll { overflow-x: auto; max-width: 100%; margin: 24px 0 32px; }
table { border-collapse: collapse; width: 100%; min-width: 660px; font-size: 13px; line-height: 1.5; }
caption { text-align: left; color: var(--gray); font-size: 12px; padding-bottom: 12px; }
th, td { padding: 13px 14px 13px 0; text-align: left; vertical-align: top; border-bottom: 1px solid var(--rule); }
thead th { font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--gray); }
tbody th { font-weight: 600; min-width: 125px; }
.sources { border-top: 1px solid var(--rule); margin-top: 56px; padding-top: 8px; font-size: 13px; }
.sources h2 { margin-top: 24px; }
.sources ol { padding-left: 22px; }
.sources li { margin-bottom: 18px; padding-left: 4px; }
.sources p { color: var(--gray); margin: 5px 0 0; }
.related { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--rule); }
.article-list article { border-top: 1px solid var(--rule); padding: 28px 0; }
.article-list h2 { margin: 0 0 14px; font-size: 25px; }
.article-list h2 a { color: var(--ink); text-decoration: none; }
.article-list h2 a:hover { color: var(--link); }
.article-list p { color: var(--gray); max-width: 680px; }
.article-list .byline { margin-bottom: 0; }
footer { display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid var(--rule); margin-top: 80px; padding-top: 16px; color: var(--gray); font-size: 12px; }
.skip { position: absolute; top: 0; left: 16px; padding: 12px; background: var(--bg); transform: translateY(-120%); }
.skip:focus { transform: translateY(0); }
@media (max-width: 640px) { .page { padding: 32px 20px; } .site-header { margin-bottom: 48px; } h1 { font-size: 32px; } h2 { font-size: 23px; } .contents ul { columns: 1; } .lede { font-size: 17px; } footer { flex-direction: column; gap: 10px; } }
@media print { .site-header, .contents, .related, .skip, footer { display: none; } .page { max-width: none; padding: 0; } body { font-size: 11pt; } h1 { font-size: 26pt; } a { color: inherit; } .table-scroll { overflow: visible; } table { min-width: 0; } h2 { break-after: avoid; } }
:root .support-banner { margin-top: 40px; padding-top: 16px; border-top: 1px solid #d2d2d7; font-size: 13px; color: #6e6e73; }
:root .support-banner > span { margin-left: 12px; }
:root .support-banner button { font: inherit; cursor: pointer; background: none; border: 0; padding: 4px 0; color: #7d8fa3; text-decoration: underline; text-underline-offset: 3px; }
:root .support-banner p { margin: 12px 0; overflow-wrap: anywhere; }
:root .support-banner [hidden] { display: none !important; }
:root .support-banner :focus-visible { outline: 2px solid #506cf7; outline-offset: 4px; }