:root {
    color-scheme: light;
    --paper: #f6f5f0;
    --ink: #252820;
    --muted: #62675b;
    --line: #d9dbcf;
    --lime: #dbef83;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    -webkit-font-smoothing: antialiased;
}
::selection { background: var(--lime); }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: #526b23; }
a:focus-visible, summary:focus-visible { outline: 3px solid #749431; outline-offset: 5px; border-radius: 2px; }
.skip { position: absolute; top: -100px; left: 20px; background: var(--ink); color: white; padding: 12px; z-index: 10; }
.skip:focus { top: 12px; }
.wrap { max-width: 1240px; margin: auto; padding: 0 48px; }
.header { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 100px; border-bottom: 1px solid var(--line); }
.brand { font-size: 28px; font-weight: 850; letter-spacing: -.5px; text-decoration: none; }
.brand span { color: #8d947c; }
.languages { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.languages a { padding: 9px 13px; text-decoration: none; border-radius: 30px; }
.languages a[aria-current] { background: var(--lime); }
.intro { padding: 65px 0 48px; border-bottom: 1px solid var(--line); }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: .07em; margin: 0 0 22px; }
.eyebrow span { padding: 0 9px; color: #929686; }
h1 { font-size: clamp(40px, 6vw, 68px); font-weight: 550; line-height: 1.12; letter-spacing: -.04em; margin: 0 0 20px; }
.lead { color: var(--muted); font-size: 16px; line-height: 1.7; margin: 0; }
.document-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 64px; padding: 42px 0 70px; align-items: start; }
.contents { position: sticky; top: 28px; font-size: 13px; line-height: 1.7; min-width: 0; }
summary { cursor: pointer; font-weight: 650; font-size: 13px; padding: 0 0 12px; }
.contents ol { list-style: none; margin: 0; padding: 0; }
.contents li { margin-bottom: 10px; }
.contents li a { text-decoration: none; color: var(--muted); display: block; padding: 3px 0; }
.contents li a:hover { color: var(--ink); text-decoration: underline; }
.contact { border-top: 1px solid var(--line); padding-top: 17px; margin-top: 24px; overflow-wrap: anywhere; }
.contact p { margin: 0 0 6px; font-weight: 650; }
.contact a { color: var(--muted); }
article { font-size: 16px; line-height: 1.85; min-width: 0; overflow-wrap: anywhere; }
article:focus { outline: none; }
article > p:first-child { margin-top: 0; color: var(--muted); font-size: 13px; }
article p { margin: 0 0 20px; }
article h2 { font-size: 23px; font-weight: 650; line-height: 1.4; letter-spacing: -.02em; margin: 45px 0 18px; }
article ul { margin: 0 0 22px; padding-left: 22px; }
article li { padding-left: 3px; margin-bottom: 16px; }
article strong { font-weight: 650; }
.website-note { border-top: 1px solid var(--line); margin-top: 44px; padding-top: 4px; color: var(--muted); font-size: 14px; }
.website-note h2 { font-size: 19px; color: var(--ink); margin-top: 26px; }
footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); padding: 26px 0 35px; font-size: 11px; color: var(--muted); }
.footer-brand { font-size: 17px; font-weight: 850; text-decoration: none; color: var(--ink); }
@media (max-width: 900px) {
    .wrap { padding: 0 32px; }
    .document-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 32px; }
    article { font-size: 15px; }
}
@media (max-width: 650px) {
    html { scroll-padding-top: 20px; }
    .wrap { padding: 0 22px; }
    .header { min-height: 80px; gap: 12px; }
    .brand { font-size: 23px; }
    .languages { font-size: 12px; gap: 0; }
    .languages a { padding: 10px; }
    .intro { padding: 43px 0 30px; }
    .eyebrow { font-size: 11px; margin-bottom: 18px; }
    .lead { font-size: 14px; }
    .document-layout { display: block; padding-top: 25px; padding-bottom: 40px; }
    .contents { position: static; border-bottom: 1px solid var(--line); padding-bottom: 20px; margin-bottom: 27px; }
    .contents ol { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 20px; }
    .contents li { margin-bottom: 6px; }
    .contact { display: none; }
    article { font-size: 15px; }
    article h2 { font-size: 21px; margin-top: 35px; }
    footer { justify-content: flex-start; gap: 12px 20px; }
    footer span:last-child { margin-left: auto; }
}
@media (max-width: 360px) {
    .wrap { padding: 0 16px; }
    .brand { font-size: 20px; }
    .languages a { padding: 10px 8px; }
    .contents ol { display: block; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
    .skip, .languages, .contents, footer { display: none; }
    .wrap { max-width: none; padding: 0; }
    .document-layout { display: block; }
    body { background: white; color: black; }
}